CN201702096U - Dual-drive four-link mechanism - Google Patents
Dual-drive four-link mechanism Download PDFInfo
- Publication number
- CN201702096U CN201702096U CN2010202173905U CN201020217390U CN201702096U CN 201702096 U CN201702096 U CN 201702096U CN 2010202173905 U CN2010202173905 U CN 2010202173905U CN 201020217390 U CN201020217390 U CN 201020217390U CN 201702096 U CN201702096 U CN 201702096U
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- Prior art keywords
- motor
- link mechanism
- eccentric wheel
- amplitude
- drive
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- Expired - Fee Related
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- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The utility model relates to a dual-drive four-link mechanism which is characterized in that a first eccentric wheel and a second eccentric wheel are connected by a connecting plate; the first eccentric wheel is connected with a first motor through a first driving shaft, and the second eccentric wheel is connected with a second motor through a second driving shaft; and an output shaft can vertically displace in a sleeve. The utility model solves the difficult problem that a single-drive four-link mechanism cannot realize continuous and adjustable amplitude, and realizes the continuous and adjustable amplitude by adjusting the rotating speed omega 1 and omega 2 of the two motors as well as the angles alpha 1 and alpha 2 formed by a first connecting rod and a third connecting rod and a vertical line AD. The amplitude of an exciter of the dual-drive four-link mechanism is more than that of the exciter of the single-drive four-link mechanism, has lower cost than that of the hydraulic exciter with the same amplitude and realizes continuous and adjustable amplitude.
Description
Technical field
The utility model belongs to a kind of dual drive four link mechanism, especially is applied to dual drive four link mechanism in the vibrator equipment.
Background technology
Quadric chain is the motion of using always, also is one of critical component of vibrator.But a conventional single weak point that drives quadric chain is to realize that amplitude is adjustable continuously.
Summary of the invention
The technical problems to be solved in the utility model provides and a kind ofly can realize the continuously adjustable dual drive four link mechanism of amplitude.
The utility model solves the problems of the technologies described above with following technical scheme: first eccentric wheel is connected with connecting plate with second eccentric wheel, and first eccentric wheel is connected with first motor with first driving shaft, and second eccentric wheel is connected with second motor with second driving shaft; Output shaft can be done vertical displacement in sleeve.
First motor and second rotating speed of motor and corner are measured by first optical encoder and second optical encoder, adjust first motor and the second rotating speed of motor ω by PLC control frequency converter
1, ω
2, and adjust the phase difference of two motors, and make two motor synchronous, realize that amplitude is adjustable continuously.
The utility model has solved the continuously adjustable difficult problem of amplitude that single driving quadric chain can't be realized, by adjusting two rotating speed of motor ω
1, ω
2, and first connecting rod, the angle α of third connecting rod and vertical line AD
1, α
2, realize that amplitude is adjustable continuously.The amplitude of the vibrator of use the utility model dual drive four link mechanism is greater than single amplitude that drives the quadric chain vibrator, and cost is lower than the hydraulic vibration exciter that same amplitude is arranged, and has realized that amplitude is adjustable continuously.
Description of drawings
Fig. 1 is to use the structural representation of the vibrator of this dual drive four link mechanism.
Fig. 2 be the E of Fig. 1 to partial view, be the structural representation of this dual drive four link mechanism.
Fig. 3 is the structure principle chart of this dual drive four link mechanism.
Fig. 4 is the fundamental diagram of this dual drive four link mechanism.
The specific embodiment
First eccentric wheel 11 and second eccentric wheel 7 of the utility model dual drive four link mechanism all are installed on the connecting plate 9, and first eccentric wheel 11 is connected with first motor 4 with first driving shaft 10, and second eccentric wheel 7 is connected with second motor 5 with second driving shaft 8; When dual drive four link mechanism of the present utility model was used for vibrator equipment, output shaft 2 was via sleeve 1 location and can do vertical displacement in sleeve 1.
Structure and operation principle below in conjunction with the description of drawings dual drive four link mechanism: four connecting rods are respectively first connecting rod AB, second connecting rod BC, third connecting rod CD and the 4th connecting rod AD, first connecting rod AB and second connecting rod BC are hinged, second connecting rod BC and third connecting rod CD are hinged, wherein, and first connecting rod AB and third connecting rod CD equal in length, the A point is fixing, and the D point can move back and forth in vertical line AD direction.First connecting rod AB and third connecting rod CD are driven by first motor 4 and second motor 5 respectively.By adjusting the rotational speed omega of first motor 4 and second motor 5
1, ω
2And the angle α of first connecting rod AB, third connecting rod CD and vertical line AD
1, α
2, realize that amplitude is adjustable continuously.Optical encoder 3 and optical encoder 6 are measured rotating speed of motor and corner, adjust the rotational speed omega of first motor 4 and second motor 5 by PLC control frequency converter
1, ω
2, and adjust the phase difference of two motors, and make two motor synchronous, realize that amplitude is adjustable continuously.
Claims (2)
1. a dual drive four link mechanism is characterized in that first eccentric wheel is connected with connecting plate with second eccentric wheel, and first eccentric wheel is connected with first motor with first driving shaft, and second eccentric wheel is connected with second motor with second driving shaft; Output shaft can be done vertical displacement in sleeve.
2. dual drive four link mechanism as claimed in claim 1, it is characterized in that first motor and second rotating speed of motor and corner measured by first optical encoder and second optical encoder, adjust first motor and the second rotating speed of motor ω by PLC control frequency converter
1, ω
2, and adjust the phase difference of two motors, and make two motor synchronous, realize that amplitude is adjustable continuously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202173905U CN201702096U (en) | 2010-06-07 | 2010-06-07 | Dual-drive four-link mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202173905U CN201702096U (en) | 2010-06-07 | 2010-06-07 | Dual-drive four-link mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201702096U true CN201702096U (en) | 2011-01-12 |
Family
ID=43439243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202173905U Expired - Fee Related CN201702096U (en) | 2010-06-07 | 2010-06-07 | Dual-drive four-link mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201702096U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104575227A (en) * | 2014-12-02 | 2015-04-29 | 广西大学 | Three-degree-of-freedom six-bar variable input link mechanism experiment table |
| CN104932567A (en) * | 2014-12-02 | 2015-09-23 | 广西大学 | Control software of exciter amplitude online continuous adjustment |
| CN104932568A (en) * | 2014-12-02 | 2015-09-23 | 广西大学 | Control system of exciter amplitude online continuous adjustment |
-
2010
- 2010-06-07 CN CN2010202173905U patent/CN201702096U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104575227A (en) * | 2014-12-02 | 2015-04-29 | 广西大学 | Three-degree-of-freedom six-bar variable input link mechanism experiment table |
| CN104932567A (en) * | 2014-12-02 | 2015-09-23 | 广西大学 | Control software of exciter amplitude online continuous adjustment |
| CN104932568A (en) * | 2014-12-02 | 2015-09-23 | 广西大学 | Control system of exciter amplitude online continuous adjustment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110112 Termination date: 20130607 |