CN105944948B - Active damping vibration excitor and vibration absorber including it - Google Patents
Active damping vibration excitor and vibration absorber including it Download PDFInfo
- Publication number
- CN105944948B CN105944948B CN201610318097.XA CN201610318097A CN105944948B CN 105944948 B CN105944948 B CN 105944948B CN 201610318097 A CN201610318097 A CN 201610318097A CN 105944948 B CN105944948 B CN 105944948B
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- Prior art keywords
- eccentric block
- shell
- eccentric
- active damping
- connecting shaft
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/10—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of mechanical energy
- B06B1/16—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of mechanical energy operating with systems involving rotary unbalanced masses
- B06B1/161—Adjustable systems, i.e. where amplitude or direction of frequency of vibration can be varied
- B06B1/162—Making use of masses with adjustable amount of eccentricity
- B06B1/163—Making use of masses with adjustable amount of eccentricity the amount of eccentricity being only adjustable when the system is stationary
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
This application discloses a kind of active damping vibration excitor and including its vibration absorber, the active damping vibration excitor includes shell, motor, two connecting shafts being supported on shell；Motor is sequentially connected as power source with two connecting shafts；An eccentric block group, two connecting shaft coaxial arrangements and antiport are respectively arranged in two connecting shafts, to drive the eccentric block group antiport being located in every connecting shaft.The vibration absorber includes above-mentioned active damping vibration excitor.Active damping provided by the present application vibration excitor and there are big output force characteristics including its vibration absorber, conveniently electrodeless adjustment is carried out to power output；And it can be realized the orientation output of power.
Description
Technical field
This disclosure relates to which a kind of vibration excitor more particularly to a kind of active damping vibration excitor and the vibration damping comprising it fill
It sets.
Background technique
The vibration excitor of active control is mostly electromagnetic actuator at present, but electromagnetic actuator power output is small and heat dissipation performance
It is bad, it is mainly used for the vibration abatement of the middle-size and small-size equipment such as water pump, is not able to satisfy making for hull and large-sized low-speed diesel engine vibration damping
With requiring.
Existing mechanical vibration excitor mostly uses single-shaft configuration and cross-compound arrangement, wherein uniaxial list eccentric block structure, it can not
Adjust power output.The mechanical vibration excitor of single shaft double eccentric block structure, which is generallyd use, to punch on eccentric block and is inserted into fixed pin
Mode adjusts power output, and the adjusting of power output is limited, can not achieve electrodeless adjustment, the vibration excitor of single-shaft configuration can not achieve defeated
The orientation of power output exports.The vibration excitor of existing cross-compound arrangement installs two bias using the connecting shaft of two side by side parallel respectively
Block, may be implemented power output orientation output, but the size of eccentric block by connecting shaft arrangement form limit cannot too greatly, exciting force
Output area is narrow；And it need to open shell and be manually adjusted when carrying out power output adjusting, and it is inconvenient to adjust.
Summary of the invention
In view of drawbacks described above in the prior art or deficiency, it is made that the present invention.
In a first aspect, the present invention provides a kind of active damping vibration excitors comprising shell, motor, be supported in it is described
Two connecting shafts on shell；The motor is sequentially connected as power source with two connecting shafts；Two connections
It is respectively arranged with an eccentric block group, two connecting shafts coaxial arrangement and antiport on axis, is located at often with driving
Eccentric block group antiport in root connecting shaft.
It is preferred that the eccentric block group includes the first eccentric block and the second eccentric block of fitting setting, first eccentric block
It is affixed with the connecting shaft where it；Retainer is provided on second eccentric block, second eccentric block is in the locked condition
It is fixed by retainer and the shell；
When second eccentric block in the locked condition, rotate first eccentric block with adjust first eccentric block and
Angle between second eccentric block.
It is preferred that the retainer is dogbolt；Second eccentric block is provided on the end face opposite with the shell
First circular hole, is provided with the first threaded hole with first circular hole cooperation on the housing, and the dogbolt passes through institute
The first circular hole and first threaded hole are stated to lock and unlock to second eccentric block；
When the dogbolt connects second eccentric block and the shell, second eccentric block is in locking shape
State；When unclamping the dogbolt, second eccentric block is in the unlocked state.
It is preferred that being set on second eccentric block, on the end face that second eccentric block is opposite with second eccentric block
It is equipped with cambered way, the cambered way and second eccentric block are concentric, and be provided in cambered way to slide inside it
Dynamic sliding block；
It is provided with bindiny mechanism on first eccentric block, in the cambered way corresponding position, when two eccentric blocks
Between angle be adjusted to setting value after, unlock second eccentric block, the sliding block in the bindiny mechanism and cambered way connects
Compression is connect, realizes that the fitting of two eccentric blocks is fixed.
It is preferred that the bindiny mechanism is clamping screw；It is set on first eccentric block, in the cambered way corresponding position
It is equipped with the second circular hole for installing the clamping screw, is provided with second with second circular hole cooperation on the slide block
Threaded hole connects first eccentric block and the sliding block on second eccentric block by the clamping screw.
It is preferred that realizing the orientation output of power when two eccentric block groups are operated to specific position, comprising:
When two eccentric block groups are operated to first position, the centrifugal force that two eccentric block groups generate be superimposed and presents sinusoidal special
Property；
When two eccentric block groups are operated to the second position, the centrifugal force abatement that two eccentric block groups generate is zero.
It is preferred that active damping vibration excitor further includes reversing mechanism comprising the first transmission shaft and second driving shaft, it is described
First transmission shaft and the second driving shaft pass through gear engagement, antiport；
Two connecting shafts include the first connecting shaft and the second connecting shaft, described in one end of first transmission shaft receives
The rotation of motor exports, and one end of the other end of first transmission shaft and first connecting shaft is by chain drive, with band
First connecting shaft is moved to operate synchronously；
One end of the second driving shaft and one end of second connecting shaft are by chain drive, to drive described second
Connecting shaft operates synchronously.
It is preferred that the shell includes shell, the lateral branch fagging for being respectively arranged in two open ends of the shell, is located at institute
State intermediate support plate on the inside of shell and with the integrally formed pedestal of the shell；
The both ends of every connecting shaft pass through bearing support in lateral branch fagging adjacent thereto and the intermediate supports respectively
On plate.
It is preferred that being equipped on the shell close to switch, to export the revolving speed and phase signal of the motor.
Second aspect, the present invention provides a kind of vibration absorbers, including above-mentioned vibration absorber.
Active damping vibration excitor provided by the invention and including its vibration absorber using coaxial double eccentric block group knots
Structure can export sufficiently large exciting force, have big output force characteristics；It is preferred that sliding block and cambered way can carry out nothing to power output
Pole is adjusted；And by the structure of coaxial double eccentric block groups, it can be realized the orientation output of power.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the application's is other
Feature, objects and advantages will become more apparent upon:
Fig. 1 is the positive view of vibration excitor provided by the present invention；
Fig. 2 is the top view of vibration excitor provided by the present invention；
Fig. 3 is the schematic diagram of the second eccentric block top shoe and cambered way；
Fig. 4 is the schematic diagram that angle adjusting is carried out using the first eccentric block；
Fig. 5 is that the orientation of two eccentric block group power at first position of the invention exports schematic diagram；
Fig. 6 is that the orientation of two eccentric block group power at the second position of the invention exports schematic diagram.
Specific embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that in order to
Convenient for description, part relevant to invention is illustrated only in attached drawing.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
On the one hand, as shown in Figure 1, this application provides a kind of active damping vibration excitor, including shell, motor (do not show
Out), two connecting shafts 20 being supported on shell；Motor is sequentially connected as power source with two connecting shafts；Two connections
An eccentric block group is respectively arranged on axis, wherein two connecting shaft coaxial arrangements and antiport, are located at often to drive
Eccentric block group antiport in root connecting shaft.
Wherein, shell includes shell 10, the lateral branch fagging 11 for being respectively arranged in two open ends of shell, is located in shell
The intermediate support plate 12 of side and with the integrally formed pedestal 13 of shell；The both ends of every connecting shaft pass through bearing 30 respectively and support
On lateral branch fagging 11 adjacent thereto and intermediate support plate 12.Shell is cylindrical, and vibration excitor internal structure passes through it
Shell overall package, water proof and dust proof is corrosion-resistant, is suitable for ship environment.
Further, active damping vibration excitor further includes reversing mechanism.As depicted in figs. 1 and 2, reversing mechanism is preferably
Reverse box 14, between intermediate support plate 12 and shell 10.As shown in Fig. 2, reverse box includes the first transmission
Axis 15 and second driving shaft 16, the first transmission shaft 15 and second driving shaft 16 pass through the engagement of gear 17, antiport, the first transmission
Axis 15 and second driving shaft 16 are also supported on shell by bearing 18；
Two connecting shafts 20 include the first connecting shaft and the second connecting shaft, and one end of the first transmission shaft 15 receives the rotation of motor
It transfers out, the other end of the first transmission shaft 15 is provided with sprocket wheel, and the sprocket wheel being arranged with one end of the first connecting shaft passes through chain 19
Transmission, to drive the first connecting shaft to operate synchronously；One end of second driving shaft 16 is also equipped with sprocket wheel, one with the second connecting shaft
The sprocket wheel of end setting is by chain drive, to drive the second connecting shaft to operate synchronously.Certainly, the company corresponding for transmission shaft
Connection between spindle is not limited to the transmission of sprocket wheel and chain interoperation, is driven by the first transmission shaft, second driving shaft respective
The connecting shaft of connection is driven with realizing the antiports of two connecting shafts for example, by using the mode of belt wheel and belt.
As a kind of advantageous embodiment, eccentric block group includes the first eccentric block 21 and the second eccentric block of fitting setting
22, the contour structure of the first eccentric block and the second eccentric block is identical, and it (is preferably semicircle in the present embodiment that cross section, which is fan-shaped,
Shape), as shown in Figure 3 and Figure 4.First eccentric block 21 and the connecting shaft where it are affixed；Stop is provided on second eccentric block 22
Part, the second eccentric block passes through retainer in the locked condition to be fixed with shell；When the second eccentric block 22 in the locked condition, rotation
The adjusting of angle between the first eccentric block and the second eccentric block may be implemented in first eccentric block 21.It is each inclined due to coaxial arrangement
The size of heart block group (that is, two eccentric blocks in each eccentric block group) is unrestricted, may be designed to big weight, large eccentricity away from
Structure, so as to export enough exciting forces.
Further, retainer is dogbolt 23；Second eccentric block, which is right against on the end face of shell, is provided with the first circle
Hole (not shown), is provided with the first threaded hole (not shown) with the cooperation of the first circular hole on shell, and dogbolt 23 passes through the
One circular hole and the first threaded hole lock and unlock the second eccentric block with realizing；
When dogbolt 23 connects the second eccentric block 22 and shell, the second eccentric block 22 is in locking state；Work as release
When dogbolt, the second eccentric block 22 is in the unlocked state.
Further, arc is provided on the second eccentric block 22, on the end face that the second eccentric block is opposite with the first eccentric block
The cross section of shape slideway 24, cambered way is in dovetail channel-shaped, and cambered way 24 and the second eccentric block 22 are concentric, set in cambered way
It is equipped with the sliding block 25 that can be slided inside it；
It is provided with bindiny mechanism on the first eccentric block 21, in 24 corresponding position of cambered way, when between two eccentric blocks
Angle be adjusted to setting value after, unlock the second eccentric block, bindiny mechanism connect compression with the sliding block in cambered way, realization two
The fitting of a eccentric block is fixed.
Further, bindiny mechanism is clamping screw 26；It is provided on first eccentric block 21, in cambered way corresponding position
For the second circular hole (not shown) of installation locking bolt, the second threaded hole with the cooperation of the second circular hole is provided on sliding block
(not shown) connects the second eccentric block and the sliding block on the second eccentric block by clamping screw.
Further, the orientation output of power is realized when two eccentric block groups are operated to specific position, comprising: two eccentric blocks
When group operating to first position, the centrifugal force that two eccentric block groups generate is superimposed and sinuso sine protractor is presented；Two eccentric block group fortune
When going to the second position (i.e. two eccentric block groups are located in the vertical direction of assigned direction), the centrifugation of two eccentric block groups generation
Power abatement is zero.
Further, the revolving speed and phase signal that can be used for output motor close to switch are installed on shell.
When vibration excitor provided by the present application works, the second eccentric block is locked by dogbolt, adjusts the first eccentric block
With the angle of the second eccentric block；Dogbolt is unclamped, the second eccentric block is in the unlocked state, and clamping screw pressed slider makes two
A eccentric block is adjacent to fixation.Start motor, under the drive of the motor, two transmission shafts rotate backward, and each by chain or belt
A connecting shaft is driven, two eccentric block groups are rotated backward with connecting shaft, and the eccentric block group of two rotations generates one very respectively
Big centrifugal force, as shown in figure 5, two centrifugal force are superimposed in first position 31 and sinuso sine protractor is presented；As shown in fig. 6, two centrifugations
In the second position 32, abatement is zero to power mutually, realizes the orientation output of power.Power output, which is conducted to pedestal, becomes active control device
Required exciting force.
On the other hand, this application provides a kind of vibration absorbers comprising above-mentioned active damping vibration excitor.
Active damping vibration excitor provided by the invention and including its vibration absorber using coaxial double eccentric block group knots
Structure can export sufficiently large exciting force, have big output force characteristics, and can be realized the orientation output of power；Pass through sliding block
Cooperate with cambered way and slide to adjust the angle of the first eccentric block and the second eccentric block, electrodeless adjustment can be carried out to power output,
Operating is reliable and is suitable for marine environment.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art
Member is it should be appreciated that invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where not departing from the inventive concept, it is carried out by above-mentioned technical characteristic or its equivalent feature
Any combination and the other technical solutions formed.Such as features described above has similar function with (but being not limited to) disclosed herein
Can technical characteristic replaced mutually and the technical solution that is formed.
Claims (5)
1. a kind of active damping vibration excitor, including shell, motor, two connecting shafts being supported on the shell；The electricity
Machine is sequentially connected as power source with two connecting shafts；An eccentric block is respectively arranged in two connecting shafts
Group, which is characterized in that
Two connecting shafts coaxial arrangement and antiport, to drive the eccentric block group being located in every connecting shaft reversed
Operating；
The eccentric block group include fitting setting the first eccentric block and the second eccentric block, first eccentric block and its where
Connecting shaft is affixed；Retainer is provided on second eccentric block, second eccentric block passes through retainer in the locked condition
It is fixed with the shell；
When second eccentric block in the locked condition, rotate first eccentric block to adjust first eccentric block and described
Angle between second eccentric block；
The orientation output of power is realized when two eccentric block groups are operated to specific position, comprising:
When two eccentric block groups are operated to first position, the centrifugal force that two eccentric block groups generate is superimposed and sinuso sine protractor is presented；
When two eccentric block groups are operated to the second position, the centrifugal force abatement that two eccentric block groups generate is zero；
The active damping vibration excitor further include: reversing mechanism comprising the first transmission shaft and second driving shaft, described first
Transmission shaft and the second driving shaft pass through gear engagement, antiport；
Two connecting shafts include the first connecting shaft and the second connecting shaft, and one end of first transmission shaft receives the motor
Rotation output, one end of the other end of first transmission shaft and first connecting shaft is by chain drive, to drive
The first connecting shaft is stated to operate synchronously；
One end of the second driving shaft and one end of second connecting shaft are by chain drive, to drive second connection
Axis operates synchronously；
The shell includes shell, the lateral branch fagging for being respectively arranged in two open ends of the shell, is located in the shell
The intermediate support plate of side and with the integrally formed pedestal of the shell；
The both ends of every connecting shaft pass through bearing support on lateral branch fagging adjacent thereto and the intermediate support plate respectively；
It is equipped on the shell close to switch, to export the revolving speed and phase signal of the motor.
2. active damping vibration excitor according to claim 1, which is characterized in that
The retainer is dogbolt；Second eccentric block is provided with the first circular hole on the end face opposite with the shell,
It is provided with the first threaded hole with first circular hole cooperation on the housing, the dogbolt screws in first circular hole
With first threaded hole to be locked and unlocked to second eccentric block；
When the dogbolt connects second eccentric block and the shell, second eccentric block is in locking state；
When unclamping the dogbolt, second eccentric block is in the unlocked state.
3. active damping vibration excitor according to claim 1, which is characterized in that
It is sliding that arc is provided on second eccentric block, on the end face that second eccentric block is opposite with second eccentric block
Road, the cambered way and second eccentric block are concentric, and the sliding block that can be slided inside it is provided in cambered way；
It is provided with bindiny mechanism on first eccentric block, in the cambered way corresponding position, when between two eccentric blocks
Angle be adjusted to setting value after, unlock second eccentric block, the bindiny mechanism connect pressure with the sliding block in cambered way
Tightly, realize that the fitting of two eccentric blocks is fixed.
4. active damping vibration excitor according to claim 3, which is characterized in that
The bindiny mechanism is clamping screw；On first eccentric block, it is provided with and is used in the cambered way corresponding position
The second circular hole for installing the clamping screw is provided with the second threaded hole with second circular hole cooperation on the slide block,
First eccentric block and the sliding block on second eccentric block are connected by the clamping screw.
5. a kind of vibration absorber, which is characterized in that including the described in any item active damping vibration excitors of claim 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610318097.XA CN105944948B (en) | 2016-05-13 | 2016-05-13 | Active damping vibration excitor and vibration absorber including it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610318097.XA CN105944948B (en) | 2016-05-13 | 2016-05-13 | Active damping vibration excitor and vibration absorber including it |
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| Publication Number | Publication Date |
|---|---|
| CN105944948A CN105944948A (en) | 2016-09-21 |
| CN105944948B true CN105944948B (en) | 2018-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610318097.XA Active CN105944948B (en) | 2016-05-13 | 2016-05-13 | Active damping vibration excitor and vibration absorber including it |
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| CN (1) | CN105944948B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108636746A (en) * | 2018-05-24 | 2018-10-12 | 中国矿业大学(北京) | Diagonal four mark time type vibrational system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2134237Y (en) * | 1992-03-19 | 1993-05-26 | 洛阳震动机械厂 | mechanical vibration automatic amplitude modulation device |
| CN1948625A (en) * | 2005-10-15 | 2007-04-18 | 陈启方 | Vibration wheel of directional vibration road roller |
| CN1948624A (en) * | 2005-10-15 | 2007-04-18 | 陈启方 | Vibration wheel of directional vibration road roller |
| CN101671992A (en) * | 2008-09-08 | 2010-03-17 | 张磊 | Planetary wheel type exciter of vertical vibratory road roller |
| US20110158745A1 (en) * | 2009-12-31 | 2011-06-30 | Caterpillar Paving Products Inc. | Vibratory system for a compactor |
| CN104259084A (en) * | 2014-07-31 | 2015-01-07 | 中国船舶重工集团公司第七一一研究所 | Vibration exciter for active vibration damping device |
-
2016
- 2016-05-13 CN CN201610318097.XA patent/CN105944948B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2134237Y (en) * | 1992-03-19 | 1993-05-26 | 洛阳震动机械厂 | mechanical vibration automatic amplitude modulation device |
| CN1948625A (en) * | 2005-10-15 | 2007-04-18 | 陈启方 | Vibration wheel of directional vibration road roller |
| CN1948624A (en) * | 2005-10-15 | 2007-04-18 | 陈启方 | Vibration wheel of directional vibration road roller |
| CN101671992A (en) * | 2008-09-08 | 2010-03-17 | 张磊 | Planetary wheel type exciter of vertical vibratory road roller |
| US20110158745A1 (en) * | 2009-12-31 | 2011-06-30 | Caterpillar Paving Products Inc. | Vibratory system for a compactor |
| CN104259084A (en) * | 2014-07-31 | 2015-01-07 | 中国船舶重工集团公司第七一一研究所 | Vibration exciter for active vibration damping device |
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| Publication number | Publication date |
|---|---|
| CN105944948A (en) | 2016-09-21 |
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Address after: 201108 Shanghai city Minhang District Huaning Road No. 3111 Patentee after: The 711 Research Institute of China Shipbuilding Corp. Address before: 201108 Shanghai city Minhang District Huaning Road No. 3111 Patentee before: Shanghai Marine Diesel Engine Research Institute |
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