CN105855157B - Flow induced vibrations device - Google Patents
Flow induced vibrations device Download PDFInfo
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- CN105855157B CN105855157B CN201610362279.7A CN201610362279A CN105855157B CN 105855157 B CN105855157 B CN 105855157B CN 201610362279 A CN201610362279 A CN 201610362279A CN 105855157 B CN105855157 B CN 105855157B
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- water
- cavity
- shell
- optical axis
- induced vibrations
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 230000003287 optical effect Effects 0.000 claims abstract description 26
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000008439 repair process Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- 238000013019 agitation Methods 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 206010003671 Atrioventricular Block Diseases 0.000 description 1
- 208000010271 Heart Block Diseases 0.000 description 1
- 239000007853 buffer solution Substances 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000009700 powder processing Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
- B06B1/18—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency wherein the vibrator is actuated by pressure fluid
- B06B1/186—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency wherein the vibrator is actuated by pressure fluid operating with rotary unbalanced masses
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hydraulic Turbines (AREA)
Abstract
The present invention provides a kind of flow induced vibrations devices, including pedestal, shell, exciting element, optical axis, water-sealed bearing, cavity cover board, wherein：Pedestal and shell are integral；Enclosure interior is cylindrical cavity, which is horizontal line, and exciting element is placed in cavity, is provided with water inlet along the vertical tangential direction of cavity, side is equipped with water outlet；Exciting element includes a cylinder type hollow off-centred dipole, and axle center is overlapped with cavity axis, and circumference side is evenly distributed with blade；Optical axis passes through the centre bore of off-centred dipole, both ends to be inserted into water-sealed bearing endoporus；Water-sealed bearing is installed in the bearing groove of cavity cover board setting, can be without frictional rotation.Overall structure of the present invention is simple, and driving medium is various, dismounting easy to make and easy to install, is securable on horizontal and perpendicular, material is durable, and exciting force is strong, applied widely, the vibration service being particularly suitable in underwater environment.
Description
Technical field
The present invention relates to a kind of vibrators, and in particular, to a kind of to act on the dress for generating vibrations using high velocity fluid strikes
It sets.
Background technology
Nowadays, vibrator is widely used in all trades and professions, as hopper empties, material screens, concrete is smash
The industries such as reality and sandy soil and other any powder processing, pipeline.According to vibrator energy consumption form and operation principle, mainly
There are electric vibrator (rotation, straight line, magnetism), the vibrator that surges, pneumatic vibrator (rotation, straight line).Electric vibrator is to use
Motor drives one group of eccentric block of two axial ends to generate vibration force, and special designing is needed for high frequency, high temperature and explosion-proof place；Gas
Dynamic vibrator is mainly constituted by seat, lid, with unbalanced rotor, bearing etc., rolling bearing be pressed into bearing chamber in, bearing bore diameter with
It is connected with unbalanced two ends of rotor cylinder, drives unbalanced rotor rotation to generate exciting force by high-speed flow；It surges and shakes
Dynamic device is usually used in road roller or shake table, and exciting force is generated using the buffer solution periodic vibration in airtight cavity.
Through retrieval, the Chinese patent of 202759317 U of Publication No. CN, the utility model discloses a kind of electric vibrating
Pendulum, the outside setting protection of both ends pendulum is symmetrically arranged at the both ends of motor for the vibrating motor in industrial production in device
The ponding in protective cover can be discharged by the way that drain hole is arranged in protective cover in cover.The main shortcoming of the electric vibrator is：
1) due to the particularity of this body structure of electric vibrator, energy consumption is higher, and service life is relatively short, such as encounters phase shortage, overload,
Overcurrent, high temperature, dust, short circuit, the failures such as electric leakage can all cause burning for electric vibrator, cause damages, influence to produce and draw
Send out safety accident；2) it is only applicable in dry environment, purposes is relatively single.
The Chinese invention patent application of 103752494 A of Publication No. CN, a kind of pneumatic type vibration of the disclosure of the invention occur
Device, including pedestal, the body and air compressor that are fixed on pedestal are equipped with columned cavity, the cavity in the body
Axis be horizontal line, be placed with vibrating ball in cavity；The body is provided with air inlet along the vertical tangential direction of cavity, the air inlet
Mouth is connect with air compressor, and body is equipped with gas outlet near air inlet.But the main deficiency of the technology is：1) vibrating ball
Movement in cavity is simultaneously unstable, can not provide stable exciting force；2) it when gas flow is smaller, is not enough to push vibration
Ball rolls, which can not work normally offer exciting force；3) driving force can only be gas, and applicability suffers restraints, such as in water
Underwater high hydraulic pressure leads to the vibrating effect that air pressure deficiency can not generate in lower operation.
The Chinese invention patent application of 104148271 A of Publication No. CN, a kind of liquid vibrator of the disclosure of the invention, packet
Exciting cylinder is included, transmission shaft is equipped with axis hole on exciting cylinder, and transmission shaft is passed through out of axis hole, the transmission in exciting cylinder
Axis is equipped with agitation block, and liquid is housed in exciting cylinder, and liquid inlet and outlet is equipped on exciting cylinder.Transmission shaft and agitation block
It is not no exciting force when rotating, since agitation block is the very light babinet of a weight, so not will produce exciting force；
But agitation block babinet accounts for certain space volume in exciting cylinder, and the liquid in exciting cylinder is made to be offset at one, and when rotation produces
Liquid in rotation in raw centrifugation exciting force, that is, exciting cylinder generates exciting force, its exciting force is directly transmitted to exciting cylinder
Come what is vibrated.The main problem of the technology is：1) exciting force does not continuously generate, and is not suitable for general operating mode；2) exciting force
Regulation and control are inconvenient and vibration force is relatively small, and the period needed for change exciting force is longer, and active force response lag is serious；3) apparatus structure
Complicated heavy, installation and debugging are extremely inconvenient, and use condition is quite limited.
As vibrating machine industry is higher and higher to product safety, power conservation requirement, sector application range is more and more wider, existing
Vibrator is not sufficient to meet the requirement that shake frequency is high, light, adjustable, applicable elements are wide in range.
Invention content
For the defects in the prior art, the object of the present invention is to provide a kind of flow induced vibrations devices, have overall structure letter
Single, the characteristics of driving medium is various, easy to make and dismounting easy to install.
In order to achieve the above object, the present invention provides a kind of flow induced vibrations device, including pedestal, the shell that is set on pedestal,
The two forms an overall structure, which is equipped with exciting element, optical axis, water-sealed bearing and cavity cover board；Wherein：
The shell is internally provided with the cylindrical cavity for placing exciting element, and cylindrical empty cavity axis is level
The vertical tangential direction of line, the cylindrical cavity is provided with water inlet, and the housing side is equipped with water outlet；
The exciting element is a cylinder type hollow off-centred dipole, which is evenly distributed with blade,
The exciting element does fixed-axis rotation around optical axis；
The optical axis passes through the centre bore of cylinder type hollow off-centred dipole, the both ends of optical axis to be inserted into water-sealed bearing endoporus；
The water-sealed bearing is installed in the bearing groove of cavity cover board setting, can be without frictional rotation；
The cavity cover board, is set to the front and back sides of shell.
Preferably, the top of the water inlet is round thread hole, for being connect with water inlet pipe by quick coupling；It is described
The lower part of water inlet is rectangular aperture, to make flow be in linear spurting, effectively increases water attack area.
It is highly preferred that rectangular aperture face blade center position straight down.
Preferably, the water outlet is set on shell right plate bottom centerline.
Preferably, the off-centred dipole contains the eccentric block made of lead block, to increase eccentric force when rotating；It is described inclined
The diameter and thickness of heart block adjusts as needed.
Preferably, the blade is the turbo blade that energy conversion is carried out in vibrator, and forced area is big, energy conversion
It is efficient.
Preferably, transmission shaft of the optical axis as exciting element, exciting element do fixed-axis rotation around optical axis；The optical axis
Surface smooth be unlikely to deform.
Preferably, the two sides of the water-sealed bearing are equipped with waterproof cover, and service life is long and is not easy to get rusty.
Preferably, the cavity cover board and shell screw threads for fastening, to facilitate repair and installing and dismounting.
Compared with prior art, the present invention has following advantageous effect：
The pedestal and shell of the present invention is integral, and rigid matter is close and intensity is high；Flow induced vibrations device blade increases stress
Area, under same fluid impact force effect, blade rotational energy bigger drives off-centred dipole rotation to generate stronger exciting force,
Efficiently solve the problems, such as that exciting is hypodynamic；Water outlet is set to housing side, the ponding in cavity can be made to be discharged in time, subtracted
Small ponding resistance, further increases the energy transformation ratio of exciting element.
Overall structure of the present invention is simple, and driving medium is various, dismounting easy to make and easy to install, is securable to horizontal and perpendicular
In straight plane, material is durable, and exciting force is strong, applied widely, the vibration service being particularly suitable in underwater environment.
Description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is one embodiment of the invention integral installation distribution structure schematic diagram；
Fig. 2 is one embodiment of the invention cavity cap plate structure schematic diagram；
Fig. 3 is one embodiment of the invention exciting component structure schematic diagram；
In figure：Pedestal 1, shell 2, exciting element 3, optical axis 4, water-sealed bearing 5, cavity cover board 6, off-centred dipole 7, turbine leaf
Piece 8, water inlet 9, water outlet 10.
Specific implementation mode
With reference to specific embodiment, the present invention is described in detail.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection domain.
Embodiment 1
As shown in Figs. 1-3, for the hydraulic pressure of 1Mpa, the present embodiment provides a kind of exciting forces by force, durable fluid is facilitated to swash
Shake device, by pedestal 1, shell 2, exciting element 3, optical axis 4, water-sealed bearing 5, cavity cover board 6, off-centred dipole 7, turbo blade 8, into
The mouth of a river 9 and water outlet 10 form, wherein：
Pedestal 1 and the shell 2 being arranged on pedestal 1 constitute an overall structure, and rigid matter is close and intensity is high, can be worn with screw
Pedestal both sides horizontal and vertical plate circular hole is crossed to be fixed；
The middle part of shell 2 is equipped with cylindrical cavity, and 2 top of shell is tangentially equipped with water inlet 9；2 right plate of shell
Water outlet 10 is provided on bottom centerline；
Exciting element 3 is made of off-centred dipole 7 and turbo blade 8, and exciting element 3 is integrally placed at 2 cylindrical cavity of shell
It is interior, fixed-axis rotation can be done around optical axis 4；Off-centred dipole 7 is a cylinder type hollow off-centred dipole, cylinder type hollow off-centred dipole axle center
It is overlapped with cavity axis；
The centre bore of cylinder type hollow off-centred dipole of the optical axis 4 along cylindrical cavity horizontal axis and across exciting element 3,
The both ends of optical axis 4, which are inserted into the endoporus of water-sealed bearing 5 and are caught in, to be arranged in the bearing groove at 6 center of cavity cover board.
In the present embodiment, the pedestal 1 is aluminum alloy material, and the size of pedestal 1 is 160*50*10mm.
In the present embodiment, the shell 2 is made of aluminum alloy materials, and the size of shell 2 is：Long * wide * high=120*50*
105mm。
In the present embodiment, it is M24 round threads hole to be arranged on the top of the water inlet 9 at 2 top of the shell, and by fast
The external 2 cun of feed pipes of quick coupling；
2 lower part of the shell is rectangular aperture, and the size of rectangular aperture is：Long * wide=14*5mm, and rectangular aperture is vertical
Downward 8 center of face turbo blade；
Water outlet 10 on 2 right plate bottom centerline of the shell is M24 round threads hole.
In the present embodiment, occurring source of the exciting element 3 as vibration, outer diameter is 90mm and uses aluminum alloy materials
It is made；Wherein, as shown in Figure 3：
The off-centred dipole 7 is the hollow cylinder of diameter 70mm, thickness 26mm, and six perforations are uniformly provided on cylinder
Circular hole, Circularhole diameter 20mm, wherein the two of arbitrary neighborhood perforation circular hole are inoculated with lead block as eccentric block；
A diameter of 10mm, the width 28mm of the turbo blade 8；Amount to 24 turbo blades 8 and is evenly distributed on bias
On the cylinder circumference of oscillator 7.
In the present embodiment, the optical axis 3 is using stainless steel material, the size of optical axis 3：φ10*46mm.
In the present embodiment, the water-sealed bearing 5 is using 6202 type of import, the size of water-sealed bearing 5：Outer diameter * internal diameters * is thick
=30*10*9mm.
As shown in Fig. 2, in the present embodiment, the cavity cover board 6 is the cylinder of diameter 104mm, thickness 9.5mm, cylinder
Circumference on be screw thread, be used for and 2 corresponding position of shell screw-thread fit fasten；It is equipped with diameter at the center of cavity cover board 6
The bearing groove of 30mm, thickness 8mm.
Through experiment, with this condition, flow induced vibrations device maximum (top) speed described in the present embodiment is up to 9000r/min, vibrations effect
Fruit is ideal and equipment safety is reliable.
Embodiment 2
As shown in Figs. 1-3, for the hydraulic pressure of 1Mpa, the present embodiment provides a kind of exciting forces by force, durable fluid is facilitated to swash
Shake device, by pedestal 1, shell 2, exciting element 3, optical axis 4, water-sealed bearing 5, cavity cover board 6, off-centred dipole 7, turbo blade 8, into
The mouth of a river 9 and water outlet 10 form, and the combination assembly method of each component is the same as described in embodiment 1.
In the present embodiment, the size of the pedestal 1 is：80*45*10mm is connected to become an entirety with shell 2.
In the present embodiment, the size of the shell 2 is：Long * wide * high=45*45*45mm；2 top water inlet 9 of shell
Top is M20 threaded holes, and passes through the external 4 points of feed pipes of quick coupling；2 lower rectangular of shell opening size be long * wide=
12*3mm；Water outlet 10 on 2 right plate bottom centerline of shell is M20 threaded holes.
In the present embodiment, the outer diameter of the exciting element 3 is 36mm, using aluminum alloy materials；Wherein：
As shown in figure 3, the off-centred dipole 7 is the hollow cylinder of diameter 24mm, thickness 30mm, uniformly set on cylinder
There are six square hole is penetrated through, square hole length of side 4mm, wherein the two of arbitrary neighborhood perforation square hole are inoculated with lead block as eccentric block；
As shown in figure 3, a diameter of 5mm of the turbo blade 8, width 32mm；Total 24 turbo blades 8 uniformly divide
Cloth is on the circumference of cylinder.Turbo blade, increases the forced area of blade, under same fluid impact force effect, turbine leaf
Piece rotational energy bigger drives off-centred dipole rotation to generate stronger exciting force, efficiently solves the problems, such as that exciting is hypodynamic.
In the present embodiment, the optical axis 4 is using stainless steel material, the size of optical axis 3：φ12*42mm.
In the present embodiment, the bearing 5 is using 61801 types, the size of water-sealed bearing 5：Outer diameter * internal diameters * thickness=21*
12*5mm。
As shown in Fig. 2, in the present embodiment, the cavity cover board 6 is the cylinder of diameter 38mm, thickness 6mm, the circle of cylinder
Zhou Shangwei screw threads can be fastened with the screw-thread fit that shell 2 is correspondingly arranged；It is equipped with diameter 21mm, thickness at the center of cavity cover board 6
The bearing groove of 5mm.
Through experiment, with this condition, flow induced vibrations device theoretical limit rotating speed described in the present embodiment up to 17000r/min, and
The smaller vibration frequency of exciting element diameter is higher.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (8)
1. a kind of flow induced vibrations device, which is characterized in that including pedestal, the shell being set on pedestal, the integral knot of the two shape
Structure, the overall structure are equipped with exciting element, optical axis, water-sealed bearing and cavity cover board；Wherein：
The shell is internally provided with the cylindrical cavity for placing exciting element, and cylindrical empty cavity axis is horizontal line, institute
The vertical tangential direction for stating cylindrical cavity is provided with water inlet, and the housing side is equipped with water outlet；The lower part of the water inlet
For rectangular aperture, face blade center position effectively increases the rectangular aperture to make flow be in linear spurting straight down
Big water attack area；The water inlet is located at the left upper end of the shell, and the water outlet is set to shell right plate bottom centre
On line；
The exciting element, including a cylinder type hollow off-centred dipole, the cylindrical eccentric oscillator circumference side are evenly distributed with blade, institute
It is half capsule-type blade to state blade, and the exciting element does fixed-axis rotation around optical axis；
The optical axis passes through the centre bore of cylinder type hollow off-centred dipole, the both ends of optical axis to be inserted into water-sealed bearing endoporus；
The water-sealed bearing is installed in the bearing groove of the cavity cover board setting, can be without frictional rotation；
The cavity cover board, is set to the front and back sides of shell.
2. a kind of flow induced vibrations device according to claim 1, which is characterized in that the top of the water inlet is round thread
Hole, for being connect with water inlet pipe by quick coupling.
3. a kind of flow induced vibrations device according to claim 1, which is characterized in that the off-centred dipole contains to be made of lead block
Eccentric block, with increase rotate when eccentric force.
4. a kind of flow induced vibrations device according to claim 1, which is characterized in that the blade is to carry out energy in vibrator
The turbo blade of conversion, forced area is big, and energy conversion efficiency is high.
5. a kind of flow induced vibrations device according to claim 1, which is characterized in that transmission of the optical axis as exciting element
Axis, exciting element do fixed-axis rotation around optical axis；The surface of the optical axis is smooth to be unlikely to deform.
6. a kind of flow induced vibrations device according to claim 1, which is characterized in that the two sides of the water-sealed bearing are equipped with anti-
Water cover.
7. a kind of flow induced vibrations device according to claim 1, which is characterized in that the cavity cover board and shell screw thread are tight
Gu to facilitate repair and installing and dismounting.
8. a kind of flow induced vibrations device according to claim 1, which is characterized in that the both sides of the pedestal are provided with horizontal circle
Hole and vertical circular hole are fixed for being installed with external component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610362279.7A CN105855157B (en) | 2016-05-26 | 2016-05-26 | Flow induced vibrations device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610362279.7A CN105855157B (en) | 2016-05-26 | 2016-05-26 | Flow induced vibrations device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105855157A CN105855157A (en) | 2016-08-17 |
| CN105855157B true CN105855157B (en) | 2018-10-23 |
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ID=56641397
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610362279.7A Expired - Fee Related CN105855157B (en) | 2016-05-26 | 2016-05-26 | Flow induced vibrations device |
Country Status (1)
| Country | Link |
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| CN (1) | CN105855157B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108519203A (en) * | 2018-03-14 | 2018-09-11 | 蔡斌奇 | New gas vibrator |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1425121A (en) * | 1972-04-12 | 1976-02-18 | Gardisch P | High frequency vibrators |
| CN2700005Y (en) * | 2004-04-28 | 2005-05-18 | 吕国庆 | Pneumatic vibrator |
| CN101249492A (en) * | 2008-03-26 | 2008-08-27 | 卧龙电气集团股份有限公司 | Turbo type air vibrator with disbalance rotor |
| CN201768670U (en) * | 2010-06-07 | 2011-03-23 | 桓达科技股份有限公司 | Improved turbine vibrator structure |
| CN202277951U (en) * | 2011-09-27 | 2012-06-20 | 常州凯普自动化设备有限公司 | Wheel type vibrator |
| CN102626688A (en) * | 2012-04-11 | 2012-08-08 | 裕东（中山）机械工程有限公司 | Efficient impeller-type pneumatic vibrator |
| CN204523454U (en) * | 2015-04-10 | 2015-08-05 | 张荣礼 | Gas vibrating device |
-
2016
- 2016-05-26 CN CN201610362279.7A patent/CN105855157B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1425121A (en) * | 1972-04-12 | 1976-02-18 | Gardisch P | High frequency vibrators |
| CN2700005Y (en) * | 2004-04-28 | 2005-05-18 | 吕国庆 | Pneumatic vibrator |
| CN101249492A (en) * | 2008-03-26 | 2008-08-27 | 卧龙电气集团股份有限公司 | Turbo type air vibrator with disbalance rotor |
| CN201768670U (en) * | 2010-06-07 | 2011-03-23 | 桓达科技股份有限公司 | Improved turbine vibrator structure |
| CN202277951U (en) * | 2011-09-27 | 2012-06-20 | 常州凯普自动化设备有限公司 | Wheel type vibrator |
| CN102626688A (en) * | 2012-04-11 | 2012-08-08 | 裕东（中山）机械工程有限公司 | Efficient impeller-type pneumatic vibrator |
| CN204523454U (en) * | 2015-04-10 | 2015-08-05 | 张荣礼 | Gas vibrating device |
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|---|---|
| CN105855157A (en) | 2016-08-17 |
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Granted publication date: 20181023 |