CN101758016B - Vibration exciter - Google Patents
Vibration exciter Download PDFInfo
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- CN101758016B CN101758016B CN2010101091673A CN201010109167A CN101758016B CN 101758016 B CN101758016 B CN 101758016B CN 2010101091673 A CN2010101091673 A CN 2010101091673A CN 201010109167 A CN201010109167 A CN 201010109167A CN 101758016 B CN101758016 B CN 101758016B
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- vibrator
- shake
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- pressure
- reducing valve
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Abstract
A vibration exciter comprises a vibration motor and a vibration starting assembly arranged on an output shaft thereof. The vibration starting assembly comprises a bracket connected with the output shaft. An air cylinder is arranged on the bracket and is divided into two chambers by a piston. A bias voltage assembly providing bias voltage force for the piston is arranged in a first chamber. The end of a second chamber is provided with the passage way of fluid medium. The passage way is connected with a fluid control device through a rotating joint arranged at a rotating center. The problem that in the prior art the vibration exciter can not realize output excitation force wireless adjustment and the real-time adjustment of the excitation force under work state is solved. The invention is particularly applicable to the vibration exciter of controllable strong output force in industries.
Description
Technical field
The present invention relates to a kind of being installed in is used to produce exciting force and makes the vibrative vibrator of vibratory equipment, specifically a kind of controlled vibrator of exerting oneself greatly on the vibratory equipment.
Background technology
Vibrator is a kind of exciting force that the generation cycle changes that is used for, and makes the work body produce the equipment of sustained vibration.The structure of vibrator and form are diversified.In the prior art; vibrator mainly is made up of members such as double output shaft motor, movable offset object and fixed offset objects; the adjustment of the exciting force amplitude of this vibrator can only be under stopped status; adjust the deflection angle of two eccentric sons by dismounting and realize, fundamentally can not realize the adjustment of online vibration force.If by increasing the velocity of rotation that converter plant changes motor, then can cause greatly departing from the eigentone of vibration body, cause unnecessary energy loss, the stability of a system is reduced.
A kind of vibrator is disclosed among the Chinese patent literature CN2782230Y, it comprises universal drive shaft fixed offset object that links to each other and the movable offset object that is connected on the fixed offset object with input power, fixed offset object is installed in an end of turning cylinder, on the other end of turning cylinder, fixed offset object is installed, fixed offset object links to each other with universal drive shaft, is connected with movable offset object on fixed offset object.The vibrator of this patent disclosure is realized adjustment to the exciting force value of vibrator by the deflection angle of adjusting movable offset object.When adjusting, generally being per 15 ° is lattice, under same revolution, 0-180 ° can be divided into 13 lattice, though the movable offset object of this utility model and fixed offset object inside and outside respectively have two, therefore under same revolution, when adjusting, the outside is with regard to adjustable 13 lattice, and the value of adjusting exciting force so just has 13 * 13 kinds.But this vibrator still can not be realized the step-less adjustment of output exciting force.Simultaneously, the described regulative mode of this utility model can only be regulated under stopped status, can not realize the real-time adjusting under vibrator in working order.
Summary of the invention
For this reason, technical problem to be solved by this invention is that vibrator of the prior art can not realize the step-less adjustment of the exciting force exported, and vibrator of the prior art can't be implemented under the duty problem of regulating exciting force in real time, thereby proposes a kind of vibrator that exciting force can step-less adjustment and can be regulated in real time down in working order of exporting.
For solving the problems of the technologies described above, a kind of vibrator of the present invention, involving vibrations motor and the parts that shake that open that are positioned on its output shaft, it is characterized in that: the described parts that shake that open comprise the support that is connected on the described output shaft, cylinder is installed on the described support, described cylinder is divided into two Room by piston, the first indoor biasing member that biasing force is provided to described piston that is provided with, the end of second Room is provided with the gateway of a fluid media (medium), and described gateway is connected with fluid control device by the rotary joint that is arranged on the center of rotation.
Vibrator of the present invention, under off working state, the described barycenter that opens the parts that shake is positioned on the described center of rotation.
Vibrator of the present invention, described fluid control device are pneumatic means or hydraulically operated equipment.
Vibrator of the present invention, described pneumatic means comprises source of the gas and pressure-reducing valve, described pressure-reducing valve is used to control the air pressure of described pneumatic means output.
Vibrator of the present invention, described pressure-reducing valve are electric proportional pressure-reducing valve, control by voltage or electric current.
Vibrator of the present invention, described pressure-reducing valve is provided with spout hole.
Vibrator of the present invention, described pressure-reducing valve place is provided with air gauge, is used to show the atmospheric pressure value of described pneumatic system output.
Vibrator of the present invention, described motor output shaft stretches out the motor both sides, and every side is installed one and is opened the parts that shake.
Vibrator of the present invention, described biasing member are a spring, and an end of described spring is fixed on cylinder bottom, and the other end links to each other with described piston.
Vibrator of the present invention, the described parts that shake that open are fixedlyed connected with motor output shaft by locking axle sleeve.
Technique scheme of the present invention has the following advantages compared to existing technology,
(1) vibrator of the present invention, involving vibrations motor and the parts that shake that open that are positioned on its output shaft, the described parts that shake that open comprise the support that is connected on the described output shaft, cylinder is installed on the described support, described cylinder is divided into two Room by piston, the first indoor biasing member that biasing force is provided to described piston that is provided with, the end of second Room is provided with the gateway of a fluid media (medium), described gateway is connected with fluid control device by the rotary joint that is arranged on the center of rotation, therefore, can come the motion of control piston by fluid control device, the motion effects of piston the whole eccentric force that opens the parts that shake, thereby realize adjusting, realized the real-time adjusting of vibrator under the duty exciting force, convenient and practical;
(2) vibrator of the present invention, under off working state, the described barycenter that opens the parts that shake is positioned on the described center of rotation, so system boot time output eccentric force is zero, makes vibrator can stablize starting, after motor speed is constant, regulate again, can make like this and open the earlier stable startup of parts of shaking, reduce breakdown rate, improve the security of system, improved efficiency of motor and service life;
(3) vibrator of the present invention can adopt pneumatic means or hydraulically operated equipment to control, and can select as required, and applicability is wide.
(4) vibrator of the present invention when adopting pneumatic means, is that medium has effectively reduced the problems such as pollution of using hydraulic control to cause by compressed air;
(5) vibrator of the present invention, described pneumatic means comprises source of the gas and pressure-reducing valve, described pressure-reducing valve is used to control the air pressure of described pneumatic means output, makes the output pressure can be controlled, thereby easily the eccentric force that opens the parts that shake is regulated.
(6) vibrator of the present invention, described pressure-reducing valve is electric proportional pressure-reducing valve, control by voltage or electric current, therefore control by the signal of telecommunication and feed the gas that opens the parts that shake, thereby control the eccentric force that opens the parts that shake by the position of control piston, make the more convenient control of air feed air pressure, ball bearing made using provides voltage or current signals such as 0-5V, 4-20mA, can realize the automatic control of system;
(7) vibrator of the present invention, described motor output shaft stretches out the motor both sides, and every side is installed one and opened the parts that shake, and makes output shaft keep balance, and is easy to install and use;
(8) vibrator of the present invention, described pressure-reducing valve is provided with spout hole, described spout hole is in when shutdown, can make in the cylinder and compressed air discharges rapidly, make piston get back to initial position, make and open the parts that shake and get back to uninfluenced state, disable motor is avoided motor speed to drop to when crossing over system frequency and is caused strong concussion, thereby reduced equipment failure rate then, improve the security of system, reduced noise;
(9) vibrator of the present invention, described pressure-reducing valve place is provided with air gauge, is used to show the atmospheric pressure value of described pneumatic system output, and directly perceived the demonstration is more convenient for control;
(10) vibrator of the present invention, the described parts that shake that open are fixedlyed connected with motor output shaft by locking axle sleeve, have increased the diameter and the installation accuracy of motor shaft, have reduced the difficulty of processing of parts, and have increased the security system of system;
(11) vibrator of the present invention, pneumatic means is given the cylinder air feed by rotary hydraulic quick coupler, greatly reduces the difficulty of giving gas in the rotary course, and it is simpler and easy to make vibrator change parts, has reduced maintenance cost.
Description of drawings
For the easier quilt of content of the present invention is clearly understood, below according to a particular embodiment of the invention and in conjunction with the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is the integral device schematic diagram of vibrator of the present invention;
Fig. 2 is the shake structural representation of parts of opening of vibrator of the present invention.
Fig. 3 is the shake side view of parts of opening of vibrator of the present invention.
Reference numeral is expressed as among the figure: the 1-source of the gas, and the 2-pressure-reducing valve, the 3-air gauge, the 4-rotary joint, 5-opens the parts that shake, the 6-vibrating motor, the 8-support, the 9-cylinder head, the 10-piston, the 11-sealing ring, the 12-spring, the 13-cylinder, the 14-locking axle sleeve, 15-swivel joint seat,
The specific embodiment
Fig. 1, Fig. 2 and Fig. 3 have provided a specific embodiment of the present invention, a kind of vibrator, involving vibrations motor 6 and be positioned at the parts 5 that shake of opening on its output shaft, the described parts 5 that shake that open are fixedlyed connected with motor output shaft by locking axle sleeve 14, and described motor output shaft is the rotating shaft that opens the parts 5 that shake.The described parts 5 that shake that open comprise the support 8 that is connected on the described output shaft, and cylinder 13 is installed on the described support 8, and cylinder is provided with cylinder head 9.Described cylinder 13 is divided into two Room by piston 10, be provided with sealing ring 11 between the piston 10 of described cylinder 13 and the cylinder wall, the first indoor biasing member that biasing force is provided to described piston 10 that is provided with, described biasing member is a spring 12, one end of described spring 12 is fixed on cylinder 13 bottoms, the other end links to each other with described piston 10, is provided with spring 12 protective devices in the described cylinder 13; The end of second Room is provided with the gateway of a fluid media (medium), and described gateway is connected with fluid control device by the rotary joint 4 that is arranged on the center of rotation.Described center of rotation is positioned on the axis of opening parts 5 rotating shafts that shake.Described rotary joint 4 is the high-speed rotary hydraulic quick coupler, is connected to by swivel joint seat 15 on the center of rotation that opens the parts 5 that shake, by the stream socket connection of flexible pipe and cylinder.Described fluid control device is a pneumatic means, and described pneumatic means comprises source of the gas 1 and pressure-reducing valve 2, and described pressure-reducing valve is used to control the air pressure of described pneumatic means output.Described pressure-reducing valve is electric proportional pressure-reducing valve, controls by voltage or electric current.Described pressure-reducing valve 2 is provided with spout hole, and described pressure-reducing valve 2 places also are provided with air gauge 3, is used to show the atmospheric pressure value of described pneumatic system output.Under off working state, the described barycenter that opens the parts that shake is positioned on the described center of rotation.。
The described vibrator course of work of present embodiment is as follows: the output shaft of vibrating motor 6 is the rotating shaft that opens the parts 5 that shake, and described motor drives described parts 5 rotations of shaking of opening by its output shaft.Under the system-down state, piston 10 is owing to the elastic force that is subjected to spring 12 is in away from an end that opens parts 5 rotating shafts that shake, and the barycenter that opens the parts 5 that shake is positioned on the rotation, and during system boot, the output eccentric force is zero, makes to open the parts 5 stable startings of shaking.After motor speed is constant, pneumatic system feeds compressed air for cylinder 13 by rotary joint 4, air pressure overcomes spring force and the piston rotary centrifugal force makes piston 10 move to rotation, the barycenter that opens the parts 5 that shake accordingly departs from rotation and promptly produces eccentric force, thereby generation exciting force, along with the increase of air pressure, eccentric force increases, and exciting force also increases thereupon.By regulating electric proportional pressure-reducing valve, the adjusting that can realize exporting exciting force has so just realized the step-less adjustment under vibrator in working order.In when shutdown, to control electric proportional pressure-reducing valve the compressed air in the cylinder 13 is discharged rapidly from the spout hole of pressure-reducing valve, piston 10 comes back to the position away from rotation, the barycenter that opens the parts 5 that shake is come back on the rotation, then disable motor.In this course of work, if the barycenter that opens the parts 5 that shake under off working state not on rotation the time, also can be realized the stepless online adjusting of exciting force output.
In the above-described embodiments, described motor output shaft can stretch out the motor both sides, and every side is installed one and opened the parts 5 that shake.
In the above-described embodiments, described fluid control device can be hydraulically operated equipment.
In the above-described embodiments, described biasing member can be magnetic part, described magnetic part be arranged on cylinder bottom and piston on two magnet, and relative two the magnetic pole magnetic of described two magnet are identical.
Obviously, the foregoing description only is for example clearly is described, and is not the qualification to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all embodiments.And conspicuous variation of being extended out thus or change still are among the protection domain of the invention.
Claims (10)
1. vibrator, involving vibrations motor and the parts that shake that open that are positioned on its output shaft, it is characterized in that: the described parts that shake that open comprise the support that is connected on the described output shaft, cylinder is installed on the described support, described cylinder is divided into two Room by piston, the first indoor biasing member that biasing force is provided to described piston that is provided with, the end of second Room is provided with the gateway of a fluid media (medium), and described gateway is connected with fluid control device by the rotary joint that is arranged on the center of rotation.
2. described vibrator according to claim 1 is characterized in that: under off working state, the described barycenter that opens the parts that shake is positioned on the described center of rotation.
3. vibrator according to claim 1 and 2 is characterized in that: described fluid control device is pneumatic means or hydraulically operated equipment.
4. vibrator according to claim 3 is characterized in that: described pneumatic means comprises source of the gas and pressure-reducing valve, and described pressure-reducing valve is used to control the air pressure of described pneumatic means output.
5. described vibrator according to claim 4 is characterized in that: described pressure-reducing valve is electric proportional pressure-reducing valve, controls by voltage or electric current.
6. according to claim 4 or 5 described vibrators, it is characterized in that: described pressure-reducing valve is provided with spout hole.
7. described vibrator according to claim 6 is characterized in that: described pressure-reducing valve place is provided with air gauge, is used to show the atmospheric pressure value of described pneumatic means output.
8. according to claim 1 or 2 or 4 described vibrators, it is characterized in that: described motor output shaft stretches out the motor both sides, and every side is installed one and opened the parts that shake.
9. according to the described described vibrator of claim 8, it is characterized in that: described biasing member is a spring, and an end of described spring is fixed on cylinder bottom, and the other end links to each other with described piston.
10. vibrator according to claim 9 is characterized in that: the described parts that shake that open are fixedlyed connected with motor output shaft by locking axle sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101091673A CN101758016B (en) | 2010-02-11 | 2010-02-11 | Vibration exciter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101091673A CN101758016B (en) | 2010-02-11 | 2010-02-11 | Vibration exciter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101758016A CN101758016A (en) | 2010-06-30 |
| CN101758016B true CN101758016B (en) | 2011-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010101091673A Expired - Fee Related CN101758016B (en) | 2010-02-11 | 2010-02-11 | Vibration exciter |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705310B (en) * | 2011-03-28 | 2017-03-29 | 李卓 | A kind of vibrator |
| CN102744205A (en) * | 2012-07-17 | 2012-10-24 | 昆明茨坝矿山机械有限公司 | Variable force wheel for vibrating screen |
| CN103412480B (en) * | 2013-07-18 | 2015-10-21 | 西北工业大学 | Based on H ∞the excitation force controller method for designing of robust control |
| CN105268624A (en) * | 2015-11-11 | 2016-01-27 | 王存伟 | Vibrator with frequency increased and amplitude changed automatically |
| CN110231142A (en) * | 2019-06-24 | 2019-09-13 | 苏州东菱科技有限公司 | A kind of pressure simulation experimental rig |
| CN113863097A (en) * | 2021-09-29 | 2021-12-31 | 徐工集团工程机械股份有限公司道路机械分公司 | Stepless amplitude modulation vibration wheel and road roller |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1238118C (en) * | 2001-12-29 | 2006-01-25 | 财团法人工业技术研究院 | Horizontal resonance low frequency vibration exciter |
| CN2726741Y (en) * | 2004-06-15 | 2005-09-21 | 吕国庆 | Pneumatic vibration stick |
| ITPN20040020U1 (en) * | 2004-11-25 | 2005-02-25 | Silvano Bordignon | VIBRATORY DEVICE FOR EVACUATING ARTICLES |
| CN101088632B (en) * | 2007-07-12 | 2010-06-02 | 中国科学院力学研究所 | Controllable gas vibrating system |
| CN101608965B (en) * | 2009-07-13 | 2011-02-09 | 浙江工业大学 | Single-screw hydraulic cylinder electrohydraulic vibration exciter |
| CN201807521U (en) * | 2010-02-11 | 2011-04-27 | 北京国电富通科技发展有限责任公司 | Vibration exciter |
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2010
- 2010-02-11 CN CN2010101091673A patent/CN101758016B/en not_active Expired - Fee Related
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| CN101758016A (en) | 2010-06-30 |
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