CN2134237Y - mechanical vibration automatic amplitude modulation device - Google Patents
mechanical vibration automatic amplitude modulation device Download PDFInfo
- Publication number
- CN2134237Y CN2134237Y CN 92204706 CN92204706U CN2134237Y CN 2134237 Y CN2134237 Y CN 2134237Y CN 92204706 CN92204706 CN 92204706 CN 92204706 U CN92204706 U CN 92204706U CN 2134237 Y CN2134237 Y CN 2134237Y
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- eccentric
- adjusting rod
- adjusting
- gear
- angle
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- 230000010358 mechanical oscillation Effects 0.000 claims description 10
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
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Abstract
A mechanical vibration automatic amplitude modulation device. The relative angle of a pair of gears which are arranged on the adjusting rod and are provided with fixed pin keys inserted into the spiral grooves is changed by changing the axial position of the adjusting rod provided with the spiral grooves with opposite rotation directions, so that the relative angle of the gears which are respectively meshed with the gears and the eccentric block fixed with the gears is changed, and the function of changing the eccentric moment and adjusting the amplitude is achieved.
The left eccentric block and the right eccentric block are driven by two motors, so that the adjusting rod does not transmit torque and only plays a role in coordinating the rotating speed and adjusting the eccentric included angle, the stress of the groove and the pin key is very small, the groove and the pin key are hardly stressed under normal operation, the structural strength is easy to guarantee, and the processing performance of parts is good.
Description
The utility model is a kind of mechanical oscillation of being caused by rotating eccentricity of being used for, and can regulate and control the device of amplitude automatically.
Mechanical oscillation are widely used in various production fields, and the citation form of mechanical oscillation is to utilize the eccentric force (centrifugal force) that eccentric body produced around fixing axis rotation and the vibration that causes.The structure of this vibration source can make single eccentric shaft and form circular vibration; The a pair of three kinds of forms of complex vibration that form single vibration and a plurality of eccentric shaft rotation form of rotating relatively with the square eccentric shaft.The amplitude size of the caused vibration of each eccentric shaft in structure is in off-resonance district scope, directly is decided by the size of eccentric throw.When having two can change the eccentric block of angle mutually on one, just the angle α of two off-centre is relevant therewith for its axial eccentric moment, changes this angle and has also just changed axial eccentricity, and when these two eccentric equal and opposite in directions, and each eccentricity is M
DThe time, the axial eccentricity M that they act on the axle can be from 0 to maximal regulated.Be M=2M
DCOS α/ 2.The amplitude of mechanical eccentric vibration is adjusted by last principle.
Existing mechanical vibration amplitude modulation method, a kind of is the moment that coaxial two eccentric blocks cause to sway by one group of gear transmission, and in this group gear a pair of large helix angle gear is arranged, and change the axial location of one of them large helix angle gear, can change the angle of two eccentric blocks.Another kind of form as notification number 6685204426 patents, two eccentric blocks change angle by worm gear pair.Regulate eccentric method for these two kinds, structure is complicated, and manufacture craft difference adjustment part is carry-over moment simultaneously, and structural strength requires high, is subjected to axial force big, thereby the power of regulating is also big.
The purpose of this utility model provides the automatic amplitude modulation apparatus of a kind of mechanical oscillation, it can adjust and control the amplitude of mechanical oscillation very easily in the machine operation process, adjusting lever in the guiding mechanism does not directly transmit moment of torsion, thereby adjusting rod is stressed very little when regulating, when running well, be subjected to axial force hardly, be convenient to realize manual control, machinery control and hydraulic control, and simple in structure, the element stressing conditions is good, and technology simply is convenient to make.
The technical solution of the utility model is as follows: be contained in same axle as two eccentric blocks of same vibration source and go up and rotate around coaxial line, and one be fixed on the axle, another can be around this axle rotation.Each fixes a gear and meshing to (several to) in-line gears with another on these two eccentric blocks, and this is contained on the adjusting rod (wherein a pair of) gear, and the helicla flute of the pin key in the gear hole on adjusting rod connects and drive adjusting rod and rotate.Because the helicla flute rotation direction that connects with pin key in two gears is opposite, thereby when changing the adjusting rod axial location, the relative angle of this two gear will change, and the eccentric block relative angle on the gear that is engaged with has also just changed, and has played the effect of regulating eccentric moment.Because each (to) eccentric block and the gear that is engaged with have power and same power separately, wait rotating speed and the coaxial off-centre that goes up is rotated in the same way, thereby adjusting rod transferring power square not.This mechanism's adjusting rod spiral fluted swing angle can be very big, thereby axial force is very little when regulating.The end of adjusting rod can be connected with a flange with two-way radial thrust bearing, and flange does not rotate when adjusting rod rotates, and moves axially and can drive adjusting rod when regulating the axial location of flange.
Figure one is the structural representation that the utility model is used for circular vibration, motor (1) driven gear (2), and eccentric (3) and gear (8) rotate, motor (6) driven gear (5), eccentric (4) and gear (7) rotate, and two powers of motor turn to all identical.Be fixed with in gear (7) and (8) hole in two helicla flutes of pin key and insertion adjusting rod (9), thereby left and right gear eccentric rotary just is subjected to pining down of adjusting rod, when the adjusting rod that rotates moves axially, (7), the angle of the pin key relative adjustment bar in (8) gear just changes, thereby with regard to driven gear (7), (8), gear (2), (5) and eccentric (3), (4) have changed relative angle, have played the effect of regulating amplitude.
Figure two is structural representations that the utility model is used for single vibration.Wherein eccentric block (3) and (4) form a pair of position symmetry by gear (2), (5), (6), (7) transmission, the eccentric force of switched in opposite, and they are driven by motor (1).Eccentric (3 ') and (4 ') form another eccentric force to position symmetry switched in opposite and are driven by motor (1 ') by gear (2 '), (5 '), (6 '), (7 ') transmission.Motor (1) and (1 ') merit wheel equate switched in opposite, and can rotate around the axle of (3) around coaxial rotation and (4 ') eccentric (4 ') and (3), and same (4) and (3 ') can relatively rotate by the axle around (3 ') around coaxial rotation and (4).Respectively be fixed with pin key in gear (5) and (5 ') hole and insert in two helicla flutes of adjusting rod (9), thereby the involving of the adjusting rod that just rotated of the rotation of left and right sides gear and eccentric block.When changing the axial location of adjusting rod, the relative position of left and right gear and eccentric block just changes, and has played the effect of amplitude modulation.Because eccentric equal and opposite in direction that (3) and (4 ') and (4) and (3 ') form and symmetry rotation, thereby the eccentric force that is parallel to page cancels out each other, perpendicular to the eccentric force mutual superposition formation single vibration of page.
Figure three is end construction schematic diagrames of adjusting rod, and wherein (9) are the rotating part of adjusting rod, and (10) are nonrotational part, and (11) are a pair of radial thrust bearing.
Characteristics of the present utility model are:
1, the axial location that has the adjusting rod of the opposite double spiral groove of rotation direction by change, change and be contained on this adjusting rod, and fixing pin key inserts the relative angle of a pair of gear of spiral fluted in the hole, thereby change the relative angle that reaches the eccentric block that is fixed together with gear with their meshing gears separately, play the effect that changes eccentric moment and regulate amplitude.This mechanism structure simply is easy to make coaxial eccentric angle from 0 to 180 degree to change, thus make amplitude from zero to maximal regulated.In mechanical oscillation.Can realize zero amplitude starting, can make mechanism under zero moment by the mesomerism district.Improve structure service life, cut down the consumption of energy.
2, left and right eccentric block adopts two motor-driven, thereby adjusting rod transferring power square not, only play and coordinate rotating speed and the eccentric angle effect of adjusting, thereby groove and pin key is stressed very little, and stressed hardly during normal operation, structural strength guarantees that easily part process is good.When double spiral groove moved axially adjusting rod, the both sides eccentric wheel relatively rotated simultaneously, thereby can realize amplitude with bigger helical angle from zero adjustment to maximum, and it is very little to regulate axial force, was convenient to carry out manually, hydraulic pressure or mechanical adjustment and control automatically.
Claims (3)
1, the device of amplitude can be regulated and control to a kind of mechanical oscillation that are used for being caused by rotating eccentricity automatically, it can be used for circular vibration, single vibration or complex vibration, as when being used for single vibration, of the present utility model being characterised in that: two groups fixing eccentric (3) and (3 ') are arranged respectively in the device, two groups of adjustable eccentrics (4) and (4 '), these two groups of off-centre are respectively by travelling gear (2) and (2 '), (7) and (7 '), (6) and (6 ') and adjusting gear (5) and (5 ') mesh, in the endoporus of (5) and (5 ') adjusting gear, pin key is housed, the other end of pin key be installed in respectively adjusting rod (9) about on two helicla flutes, axially push-and-pull adjusting rod (9) drives adjustable eccentric piece (4) and (4 ') relative fixed eccentric block (3) and (3 ') respectively by adjusting gear (5) and (5 ') and turns over certain angle, thereby changed the angle between two groups of eccentric blocks, reached the purpose that changes amplitude.
2, the automatic amplitude modulation apparatus of mechanical oscillation according to claim 1 is characterized in that: the helicla flute that the opposite king bolt lift angle of left and right two hands of spiral is arranged on the adjusting rod (9).
3, the automatic amplitude modulation apparatus of mechanical oscillation according to claim 1, it is characterized in that: two adjusting gears (5) are driven by direct geared respectively by two power motor identical, that rotating speed equates with (5 '), thereby adjusting rod transferring power moment of torsion not, only work to coordinate rotating speed and the eccentric angle of adjusting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92204706 CN2134237Y (en) | 1992-03-19 | 1992-03-19 | mechanical vibration automatic amplitude modulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92204706 CN2134237Y (en) | 1992-03-19 | 1992-03-19 | mechanical vibration automatic amplitude modulation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2134237Y true CN2134237Y (en) | 1993-05-26 |
Family
ID=33761641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92204706 Expired - Fee Related CN2134237Y (en) | 1992-03-19 | 1992-03-19 | mechanical vibration automatic amplitude modulation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2134237Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103480558A (en) * | 2013-10-10 | 2014-01-01 | 中联重科股份有限公司 | Vibration exciter and vibrating screen |
| CN104429365A (en) * | 2014-11-28 | 2015-03-25 | 重庆市壬癸辛农副产品加工有限公司 | Vibration output component of fruit picking device for forest industry |
| CN105944948A (en) * | 2016-05-13 | 2016-09-21 | 中国船舶重工集团公司第七研究所 | Exciter used for active vibration-reduction and vibration damper provided with same |
| CN108176575A (en) * | 2018-01-03 | 2018-06-19 | 南京工程学院 | A kind of rack-and-pinion Low Frequency Torsional Vibration device mutually compound with four-bar mechanism |
| CN111229581A (en) * | 2019-08-09 | 2020-06-05 | 济南豪特创新管理咨询合伙企业(有限合伙) | Rotating member combination device |
| CN111250381A (en) * | 2019-08-09 | 2020-06-09 | 济南豪特创新管理咨询合伙企业(有限合伙) | Connecting shaft of rotating member combination device |
| CN111250379A (en) * | 2019-08-09 | 2020-06-09 | 济南豪特创新管理咨询合伙企业(有限合伙) | Rotary part combination device |
| CN113019873A (en) * | 2020-09-29 | 2021-06-25 | 南京利卡维智能科技有限公司 | Cooperative vibration eccentric vibration device and method |
| CN115055248A (en) * | 2022-07-25 | 2022-09-16 | 长沙米淇仪器设备有限公司 | Vibration grinding machine convenient to adjust |
-
1992
- 1992-03-19 CN CN 92204706 patent/CN2134237Y/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103480558B (en) * | 2013-10-10 | 2015-09-16 | 中联重科股份有限公司 | Vibration exciter and vibrating screen |
| CN103480558A (en) * | 2013-10-10 | 2014-01-01 | 中联重科股份有限公司 | Vibration exciter and vibrating screen |
| CN104429365A (en) * | 2014-11-28 | 2015-03-25 | 重庆市壬癸辛农副产品加工有限公司 | Vibration output component of fruit picking device for forest industry |
| CN105944948B (en) * | 2016-05-13 | 2018-12-21 | 中国船舶重工集团公司第七一一研究所 | Active damping vibration excitor and vibration absorber including it |
| CN105944948A (en) * | 2016-05-13 | 2016-09-21 | 中国船舶重工集团公司第七研究所 | Exciter used for active vibration-reduction and vibration damper provided with same |
| CN108176575B (en) * | 2018-01-03 | 2019-08-16 | 南京工程学院 | A kind of Low Frequency Torsional Vibration device that rack-and-pinion is mutually compound with four-bar mechanism |
| CN108176575A (en) * | 2018-01-03 | 2018-06-19 | 南京工程学院 | A kind of rack-and-pinion Low Frequency Torsional Vibration device mutually compound with four-bar mechanism |
| CN111229581A (en) * | 2019-08-09 | 2020-06-05 | 济南豪特创新管理咨询合伙企业(有限合伙) | Rotating member combination device |
| CN111250381A (en) * | 2019-08-09 | 2020-06-09 | 济南豪特创新管理咨询合伙企业(有限合伙) | Connecting shaft of rotating member combination device |
| CN111250379A (en) * | 2019-08-09 | 2020-06-09 | 济南豪特创新管理咨询合伙企业(有限合伙) | Rotary part combination device |
| CN113019873A (en) * | 2020-09-29 | 2021-06-25 | 南京利卡维智能科技有限公司 | Cooperative vibration eccentric vibration device and method |
| CN113019873B (en) * | 2020-09-29 | 2023-09-12 | 南京利卡维智能科技有限公司 | Vibration-assisting eccentric vibration device and method |
| CN115055248A (en) * | 2022-07-25 | 2022-09-16 | 长沙米淇仪器设备有限公司 | Vibration grinding machine convenient to adjust |
| CN115055248B (en) * | 2022-07-25 | 2023-10-20 | 长沙米淇仪器设备有限公司 | Vibration grinding machine convenient to adjust |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |