CN106704509B - Eccentric mechanism capable of realizing continuous amplitude adjustment in motion - Google Patents
Eccentric mechanism capable of realizing continuous amplitude adjustment in motion Download PDFInfo
- Publication number
- CN106704509B CN106704509B CN201710044713.1A CN201710044713A CN106704509B CN 106704509 B CN106704509 B CN 106704509B CN 201710044713 A CN201710044713 A CN 201710044713A CN 106704509 B CN106704509 B CN 106704509B
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- shaft
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- driving shaft
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- 230000007246 mechanism Effects 0.000 title claims abstract description 54
- 230000001105 regulatory effect Effects 0.000 abstract description 4
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 239000010426 asphalt Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000013001 point bending Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009661 fatigue test Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H21/00—Gearings comprising primarily only links or levers, with or without slides
- F16H21/10—Gearings comprising primarily only links or levers, with or without slides all movement being in, or parallel to, a single plane
- F16H21/16—Gearings comprising primarily only links or levers, with or without slides all movement being in, or parallel to, a single plane for interconverting rotary motion and reciprocating motion
- F16H21/18—Crank gearings; Eccentric gearings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses an eccentric mechanism capable of realizing continuous adjustment of amplitude in motion, which comprises a driving shaft, an inclined shaft, a shaft sleeve and an inclined sleeve; the driving shaft comprises a left half shaft and a right half shaft which have the same axis, the inclined shaft is connected between the left half shaft and the right half shaft, the axis of the inclined shaft is intersected with the axis of the driving shaft, and the included angle alpha of the two is 1-15 degrees; the inclined sleeve is internally provided with an inclined through hole, and the inclined shaft passes through the inclined through hole and can slide along the inclined through hole; the shaft sleeve is rotationally connected to the inclined sleeve; the driving shaft is driven by the driving mechanism and can slide along the axial direction of the driving shaft. By using the technical scheme of the invention, even if the driving shaft is in a rotating state, the driving mechanism can drive the sliding plate to further drive the main shaft to axially slide along the driving shaft, so that the driving shaft drives the inclined shaft to move and the inclined sleeve to generate relative displacement, the eccentricity a is regulated, the purpose of regulating the distance of the up-and-down reciprocating motion of the shaft sleeve in real time is realized, and the problem that the continuous regulation of the motion amplitude can not be realized when the traditional eccentric mechanism moves is solved.
Description
Technical Field
The invention relates to an eccentric mechanism, in particular to an eccentric mechanism capable of realizing continuous adjustment of amplitude in motion.
Background
The eccentric mechanism is used as a mechanical structure, and is widely applied to various industries due to its simple structure and strong operability. Most eccentric mechanisms in the prior art are of fixed amplitude, such as crankshafts; the mechanism with adjustable partial amplitude is also arranged, but because the power shaft is in rotary motion, the real-time adjustable mechanism cannot be additionally arranged to adjust the eccentric amplitude in real time, and the operation amplitude can be adjusted only by adjusting the eccentric distance when the power shaft stops operating, so that the eccentric amplitude cannot be adjusted in real time by the eccentric mechanism in the motion process, and the requirement of equipment on amplitude adjustment in operation cannot be met. The 54 th bulletin of the transportation department 2011 of the people's republic of China publishes the industry standard of people's republic of China, namely, highway engineering asphalt and asphalt mixture test procedure (JTG E20-2011), wherein the 1.2 nd rule in the four-point bending fatigue life test of asphalt mixture (T0739-2011) is that the standard test condition is that the test temperature is 15+/-0.5 ℃ and the loading frequency is 10 HZ+/-0.1 HZ, and a continuous partial sine loading mode of constant strain control is adopted. At present, related production enterprises in the same industry generally adopt a cylinder or oil cylinder loading mode, and a proportional valve or a servo valve is utilized to adjust the displacement of a cylinder/oil cylinder piston rod to realize sine wave loading of a sample, and the method has the defects of high cost, complex control system structure and operation mode, failure risk and even loss of control risk of the system, and waveform deviation from sine waves; and a large hydraulic station or an air compressor needs to be arranged, so that the energy consumption is high and the noise is high.
Disclosure of Invention
The invention aims to provide an eccentric mechanism capable of realizing continuous adjustment of motion amplitude, which can solve the problem that the traditional eccentric mechanism cannot realize continuous adjustment of motion amplitude during motion.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
An eccentric mechanism capable of realizing continuous amplitude adjustment in motion is characterized in that: comprises a driving shaft, an inclined shaft, a shaft sleeve and an inclined sleeve; the driving shaft comprises a left half shaft and a right half shaft, the left half shaft and the right half shaft have the same axis, the inclined shaft is connected between the left half shaft and the right half shaft, the axis of the inclined shaft is intersected with the axis of the driving shaft, and the included angle alpha of the inclined shaft and the axis of the driving shaft is 1-15 degrees; the inclined sleeve is internally provided with an inclined through hole, the inclined shaft penetrates through the inclined through hole, and the inclined shaft can slide along the inclined through hole in the inclined sleeve; the shaft sleeve is rotationally connected to the inclined sleeve; the driving shaft is driven by the driving mechanism and can slide along the axial direction of the driving shaft.
In the invention, a bus of the outer side surface of the inclined sleeve is parallel to the axis of the driving shaft, the outer side surface of the inclined sleeve and the shaft sleeve are provided with the same eccentric axis, the eccentric axis is parallel to the axis of the driving shaft and is provided with an eccentric distance a, the shaft sleeve is rotationally connected to the outer side surface of the inclined sleeve through a bearing, and the shaft sleeve rotates along with the inclined shaft and revolves around the axis of the driving shaft with the radius of a and can rotate around the eccentric axis; the plane of revolution motion of any point on the shaft sleeve along with the inclined shaft around the axis of the driving shaft is vertical to the axis of the driving shaft.
In the invention, the axis of the inclined shaft passes through the intersection point of the symmetry planes of the left end surface and the right end surface of the inclined sleeve and the axis of the outer side surface of the inclined sleeve.
In the invention, the shaft sleeve is connected with the sliding block, and the sliding block can slide along the first guide rail; the first guide rail is connected to one end of the guide rod, the other end of the guide rod is connected with the actuating mechanism, and the guide rod can move linearly along a plane perpendicular to the axis of the driving shaft. The actuating mechanism at the other end of the guide rod outputs sine waves.
In the invention, the shaft sleeve can be hinged with one end of the guide rod, the other end of the guide rod is connected with the actuating mechanism, and the guide rod can move linearly along a plane perpendicular to the axis of the driving shaft.
In order to guide the inclined sleeve, the inclined shaft is matched with the inclined sleeve through the guide key, the guide key is arranged on the inclined shaft, and the key slot matched with the guide key is arranged on the inclined through hole of the inclined sleeve.
In the invention, the left half shaft and the right half shaft are respectively connected to the left bracket and the right bracket in a rotating way, the left bracket and the right bracket are fixedly connected to the sliding plate, and the sliding plate is driven by the driving mechanism to slide along the axial direction of the driving shaft. The driving mechanism drives the sliding plate and further drives the main shaft to axially slide along the driving shaft.
In the invention, the driving mechanism is a screw-nut pair driven by a servo motor, the servo motor is connected to the frame, the nut is connected to the right bracket, and one end of a screw rod matched with the nut is connected with an output shaft of the servo motor.
In the invention, the driving mechanism can also be an air cylinder/oil cylinder, wherein the air cylinder/oil cylinder is connected to the frame, and a piston rod of the air cylinder/oil cylinder is connected to the right bracket.
The invention has the beneficial effects that:
The invention has the advantages that the actuating mechanism is connected with the shaft sleeve through the guide rod, the shaft sleeve is rotationally connected to the inclined sleeve, the inclined sleeve can slide on the inclined shaft, the inclined shaft is connected between the left half shaft and the right half shaft of the driving shaft, the driving shaft can drive the inclined shaft to move left and right in the axial direction, when the driving mechanism drives the driving shaft to move left and right, the inclined shaft slides along the inclined through hole in the inclined sleeve and drives the inclined sleeve to move up and down, the rotation axis of the shaft sleeve is separated from the axis of the driving shaft, so that a certain eccentric distance a is generated between the rotation axis of the shaft sleeve and the axis of the driving shaft, the up-and-down reciprocating motion of the shaft sleeve can be generated, therefore, the up-and-down reciprocating motion distance of the shaft sleeve can be adjusted in real time through adjusting the eccentric distance a, and the eccentric distance a is obtained through changing the relative positions of the inclined shaft fixedly connected to the driving shaft and the inclined sleeve; by using the technical scheme of the invention, even if the driving shaft is in a rotating state, the driving mechanism can drive the sliding plate to further drive the main shaft to axially slide along the driving shaft, so that the driving shaft drives the inclined shaft to move and the inclined sleeve to generate relative displacement, the eccentricity a is regulated, the purpose of regulating the distance of the up-and-down reciprocating motion of the shaft sleeve in real time is realized, and the problem that the continuous regulation of the motion amplitude can not be realized when the traditional eccentric mechanism moves is solved.
The technical scheme has the advantages that sine waves or other waveforms are obtained by adopting a pure mechanical structure, the waveforms are stable, a complex control system is not needed, the cost is low, the failure rate is low, the energy consumption is low, and the noise is low.
Drawings
Fig. 1 is a schematic front view of a first embodiment of the present invention.
Fig. 2 is a right-side view schematically illustrating a first embodiment of the present invention.
Fig. 3 is a schematic front view of a second embodiment of the present invention.
Fig. 4 is a right-side view schematically illustrating a second embodiment of the present invention.
In the figure: the device comprises a 1-executing mechanism, a 2-guide rod, a 3-first guide rail, a 4-sliding block, a 5-inclined sleeve, a 6-rack, a 7-second guide rail, an 8-sliding plate, a 9-left support, a 10-axis of a driving shaft, an 11-eccentric axis, a 12-left half shaft, a 13-inclined shaft, a 14-shaft sleeve, a 15-bearing, a 16-right half shaft, a 17-axis of the inclined shaft, a 18-right support, a 19-driving mechanism, a 20-nut, a 21-lead screw, a 22-piston rod, a 23-pin shaft, a 24-connecting block, an included angle between the axis of the alpha-inclined shaft and the axis of the driving shaft and an a-eccentric distance.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail below by referring to the accompanying drawings and examples.
Embodiment one:
Referring to fig. 1 and 2, an eccentric mechanism capable of realizing continuous amplitude adjustment in motion is arranged on a sine wave fatigue testing machine and used for four-point bending fatigue life test of asphalt mixture, and comprises a driving shaft, an inclined shaft 13, a shaft sleeve 14 and an inclined sleeve 5; the driving shaft is intermittently opened into a left half shaft 12 and a right half shaft 16, the left half shaft 12 and the right half shaft 16 have the same axis, the inclined shaft 13 is connected between the left half shaft 12 and the right half shaft 16, the axis 17 of the inclined shaft is intersected with the axis 10 of the driving shaft, and the included angle of the two is alpha; the inclined sleeve 5 is internally provided with an inclined through hole, the inclined shaft 13 penetrates through the inclined through hole, and the inclined shaft 13 can slide along the inclined through hole in the inclined sleeve 5; the shaft sleeve 14 is rotationally connected to the inclined sleeve 5; the drive shaft is driven by a drive mechanism 19 to be slidable in the axial direction of the drive shaft.
In the above technical solution, the generatrix of the outer side surface of the inclined sleeve 5 is parallel to the axis 10 of the driving shaft, the outer side surface of the inclined sleeve 5 and the shaft sleeve 14 have the same eccentric axis 11, the eccentric axis 11 is parallel to the axis 10 of the driving shaft and has the eccentric distance a, the shaft sleeve 14 is rotationally connected to the outer side surface of the inclined sleeve 5 through the bearing 15, and the shaft sleeve 14 can rotate around the eccentric axis 11 while revolving with the inclined shaft 13 around the axis 10 of the driving shaft with a radius a; the plane of revolution of any point on the shaft sleeve 14 along with the inclined shaft 13 around the axis 10 of the driving shaft is perpendicular to the axis 10 of the driving shaft.
In the above technical solution, the axis 17 of the inclined shaft passes through the intersection point of the symmetry plane of the left and right end surfaces of the inclined sleeve 5 and the axis of the outer side surface of the inclined sleeve.
In the above technical scheme, the shaft sleeve 14 is fixedly connected with the sliding block 4, and the sliding block 4 can slide along the first guide rail 3; the first guide rail 3 is connected to one end of the guide rod 2, the other end of the guide rod 2 is connected to the actuator 1, and the guide rod 2 can move linearly along a plane perpendicular to the axis 10 of the driving shaft.
In the above technical scheme, the inclined shaft 13 is matched with the inclined sleeve 5 through the guide key, the guide key is arranged on the inclined shaft 13, and the key slot matched with the guide key is arranged on the inclined through hole of the inclined sleeve 13.
In the above technical scheme, the left half shaft and the right half shaft are respectively connected to the left bracket 9 and the right bracket 18 through bearings in a rotating way, the left bracket 9 and the right bracket 18 are fixedly connected to the sliding plate 8, the frame 6 is provided with the second guide rail 7 parallel to the axis 10 of the driving shaft, and the sliding plate 8 is driven by the driving mechanism 19 to slide along the second guide rail 7, namely, slide along the axial direction of the driving shaft; the driving mechanism 19 of the embodiment is a screw-nut pair driven by a servo motor, the servo motor is connected to the frame 6 through a connecting frame, a nut 20 is connected to the right bracket 18, and one end of a screw 21 matched with the nut 20 is connected with an output shaft of the servo motor; the servo motor drives the screw rod 21 to rotate, and the nut 20 drives the left bracket 9, the right bracket 18 and the sliding plate 8 to move together.
The working principle of this embodiment is as follows:
The shaft sleeve 14 is arranged on the inclined sleeve 5 through a bearing 15, the inclined sleeve 5 is arranged on the inclined shaft 13 in a sliding fit manner through a guide key, the outer side surface of the inclined sleeve 5 and the shaft sleeve 14 are provided with the same eccentric axis 11 and are parallel to the axis 10 of the driving shaft, the inclined shaft 13 is connected between the left half shaft 12 and the right half shaft 16 of the driving shaft, the axis 17 of the inclined shaft is intersected with the axis 10 of the driving shaft, and the included angle alpha of the two is 1-15 degrees, and the embodiment takes 3 degrees; the driving shaft can drive the inclined shaft 13 to move left and right in the axial direction, and when the axial line 17 of the inclined shaft, the axial line of the reciprocating motion of the guide rod 2 and the axial line 10 of the driving shaft intersect at one point, the amplitude of the up-and-down reciprocating motion of the shaft sleeve 14 is zero at the moment, namely the shaft sleeve 14 does not move up and down; when the driving mechanism 19 drives the driving shaft to move left and right, the inclined shaft 13 slides along the inclined through hole in the inclined sleeve 5 and drives the inclined sleeve 5 to displace, the rotation axis of the shaft sleeve 14, namely the eccentric axis 11, is separated from the axis 10 of the driving shaft, so that a certain eccentric distance a is generated between the rotation axis of the shaft sleeve 14 and the axis 10 of the driving shaft, at the moment, the rotation of the driving shaft generates up-and-down reciprocating motion of the shaft sleeve 14, the distance of the up-and-down reciprocating motion of the shaft sleeve can be adjusted in real time through adjusting the eccentric distance a, and sine waves are obtained on the actuating mechanism 1 connected to the other end of the guide rod 2.
Embodiment two:
referring to fig. 3 and 4, an eccentric mechanism capable of continuously adjusting the amplitude in motion is provided, wherein a shaft sleeve 14 is hinged with one end of a guide rod 2 through a pin shaft 23 and a connecting block 24, the connecting block 24 is fixedly connected to the shaft sleeve 14, the other end of the guide rod 2 is connected with an actuating mechanism 1, and the guide rod 2 can move linearly along a plane perpendicular to an axis 10 of a driving shaft.
The driving mechanism 19 of the embodiment is a cylinder/oil cylinder, the cylinder/oil cylinder is connected to the frame 6 through a connecting frame, and the rod end of a piston rod 22 of the cylinder/oil cylinder is connected to the right bracket 18; the piston rod 22 of the cylinder/oil cylinder drives the left bracket 9, the right bracket 18 and the sliding plate 8 to move together. The other structures are the same as those of the first embodiment, and will not be described again.
The above embodiments are merely specific examples of the present invention, and are not intended to limit the invention in any way, and any person skilled in the art may make modifications or alterations to the equivalent embodiments using the technical disclosure described above. Any simple modification, equivalent variation and variation of the above embodiments according to the technical principles of the present invention shall fall within the scope of the present invention without departing from the technical principles of the present invention.
Claims (9)
1. An eccentric mechanism capable of realizing continuous amplitude adjustment in motion is characterized in that: comprises a driving shaft, an inclined shaft, a shaft sleeve and an inclined sleeve; the driving shaft comprises a left half shaft and a right half shaft, the left half shaft and the right half shaft have the same axis, the inclined shaft is connected between the left half shaft and the right half shaft, the axis of the inclined shaft is intersected with the axis of the driving shaft, and the included angle alpha of the inclined shaft and the axis of the driving shaft is 1-15 degrees; the inclined sleeve is internally provided with an inclined through hole, the inclined shaft penetrates through the inclined through hole, and the inclined shaft can slide along the inclined through hole in the inclined sleeve; the shaft sleeve is rotationally connected to the inclined sleeve; the driving shaft is driven by the driving mechanism and can slide along the axial direction of the driving shaft.
2. The eccentric mechanism capable of realizing continuous adjustment of amplitude in motion according to claim 1, wherein: the bus of the outer side surface of the inclined sleeve is parallel to the axis of the driving shaft, the outer side surface of the inclined sleeve and the shaft sleeve are provided with the same eccentric axis, the eccentric axis is parallel to the axis of the driving shaft and is provided with an eccentric distance a, the shaft sleeve is rotationally connected to the outer side surface of the inclined sleeve through a bearing, and when the driving shaft rotates, the shaft sleeve revolves around the axis of the driving shaft along with the inclined shaft with the radius of a and can rotate around the eccentric axis; the plane of revolution motion of any point on the shaft sleeve along with the inclined shaft around the axis of the driving shaft is vertical to the axis of the driving shaft.
3. The eccentric mechanism capable of realizing continuous adjustment of amplitude in motion according to claim 2, wherein: the axis of the inclined shaft passes through the intersection point of the symmetry planes of the left end face and the right end face of the inclined sleeve and the axis of the outer side face of the inclined sleeve.
4. An eccentric mechanism capable of continuously adjusting amplitude in motion as claimed in claim 2 or 3, characterized in that: the shaft sleeve is connected with a sliding block, and the sliding block can slide along the first guide rail; the first guide rail is connected to one end of the guide rod, the other end of the guide rod is connected with the actuating mechanism, and the guide rod can move linearly along a plane perpendicular to the axis of the driving shaft.
5. An eccentric mechanism capable of continuously adjusting amplitude in motion as claimed in claim 2 or 3, characterized in that: the shaft sleeve is hinged with one end of the guide rod, the other end of the guide rod is connected with the actuating mechanism, and the guide rod can do linear motion along a plane perpendicular to the axis of the driving shaft.
6. The eccentric mechanism capable of realizing continuous adjustment of amplitude in motion according to claim 1, wherein: the inclined shaft is matched with the inclined sleeve through the guide key, the guide key is arranged on the inclined shaft, and the key slot matched with the guide key is arranged on the inclined through hole of the inclined sleeve.
7. The eccentric mechanism capable of realizing continuous adjustment of amplitude in motion according to claim 1, wherein: the left half shaft and the right half shaft are respectively connected to the left bracket and the right bracket in a rotating way, the left bracket and the right bracket are fixedly connected to the sliding plate, and the sliding plate is driven by the driving mechanism to slide along the axial direction of the driving shaft.
8. An eccentric mechanism capable of continuously adjusting amplitude in motion as claimed in claim 1 or 7, characterized in that: the driving mechanism is a screw-nut pair driven by a servo motor, the servo motor is connected to the frame, the nut is connected to the right bracket, and one end of a screw rod matched with the nut is connected with an output shaft of the servo motor.
9. An eccentric mechanism capable of continuously adjusting amplitude in motion as claimed in claim 1 or 7, characterized in that: the driving mechanism is an air cylinder/oil cylinder, the air cylinder/oil cylinder is connected to the frame, and a piston rod of the air cylinder/oil cylinder is connected to the right bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710044713.1A CN106704509B (en) | 2017-01-21 | 2017-01-21 | Eccentric mechanism capable of realizing continuous amplitude adjustment in motion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710044713.1A CN106704509B (en) | 2017-01-21 | 2017-01-21 | Eccentric mechanism capable of realizing continuous amplitude adjustment in motion |
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| Publication Number | Publication Date |
|---|---|
| CN106704509A CN106704509A (en) | 2017-05-24 |
| CN106704509B true CN106704509B (en) | 2024-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710044713.1A Active CN106704509B (en) | 2017-01-21 | 2017-01-21 | Eccentric mechanism capable of realizing continuous amplitude adjustment in motion |
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| CN (1) | CN106704509B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108444849A (en) * | 2018-03-08 | 2018-08-24 | 西南交通大学 | Synchrotron radiation vacuum/high pressure width-adjustable in situ fatigue test machine and its component |
| CN111289211B (en) * | 2020-04-01 | 2024-03-08 | 中国空气动力研究与发展中心超高速空气动力研究所 | Dynamic eccentric separation device applied to model interstage dynamic separation wind tunnel test |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3614896A (en) * | 1968-08-16 | 1971-10-26 | Micromedic Systems Inc | Eccentric mechanism for converting a rotary movement into a reciprocating rectilinear movement of variable amplitude |
| RU2223431C1 (en) * | 2002-08-15 | 2004-02-10 | Волгоградская государственная сельскохозяйственная академия | Piston machine drive mechanism with rocking plate |
| CN101029680A (en) * | 2006-03-03 | 2007-09-05 | 明勗企业有限公司 | Eccentric transmission of punch press |
| CN101918736A (en) * | 2008-01-18 | 2010-12-15 | 瓦里博克斯Ip股份有限公司 | A continuously variable transmission machine |
| CN105659783B (en) * | 2008-12-26 | 2014-01-08 | 北京精密机电控制设备研究所 | Eccentric lever type servo control mechanism |
| CN203508960U (en) * | 2013-09-30 | 2014-04-02 | 上海重矿连铸技术工程有限公司 | Crystallizer vibration generating device with amplitude adjustable online |
| CN206478184U (en) * | 2017-01-21 | 2017-09-08 | 济南天辰试验机制造有限公司 | The eccentric stiffener that amplitude is continuously adjusted in motion can be realized |
-
2017
- 2017-01-21 CN CN201710044713.1A patent/CN106704509B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3614896A (en) * | 1968-08-16 | 1971-10-26 | Micromedic Systems Inc | Eccentric mechanism for converting a rotary movement into a reciprocating rectilinear movement of variable amplitude |
| RU2223431C1 (en) * | 2002-08-15 | 2004-02-10 | Волгоградская государственная сельскохозяйственная академия | Piston machine drive mechanism with rocking plate |
| CN101029680A (en) * | 2006-03-03 | 2007-09-05 | 明勗企业有限公司 | Eccentric transmission of punch press |
| CN101918736A (en) * | 2008-01-18 | 2010-12-15 | 瓦里博克斯Ip股份有限公司 | A continuously variable transmission machine |
| CN105659783B (en) * | 2008-12-26 | 2014-01-08 | 北京精密机电控制设备研究所 | Eccentric lever type servo control mechanism |
| CN203508960U (en) * | 2013-09-30 | 2014-04-02 | 上海重矿连铸技术工程有限公司 | Crystallizer vibration generating device with amplitude adjustable online |
| CN206478184U (en) * | 2017-01-21 | 2017-09-08 | 济南天辰试验机制造有限公司 | The eccentric stiffener that amplitude is continuously adjusted in motion can be realized |
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| CN106704509A (en) | 2017-05-24 |
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