An experimental device and control method for a link mechanism with adjustable output parameters
An experimental device and a technology for outputting parameters, used in educational appliances, instruments, teaching models, etc.
Inactive Publication Date: 2017-04-12
NORTHEASTERN UNIV LIAONING
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[0010] The present invention proposes an experimental device and a control method for a link mechanism whose output parameters can be adjusted. During the movement of the mechanism, the device can change the rotating speed of the active part and the rod length of the link unit in real time according to the demand, effectively solving the problem of the existing link mechanism. Technical Problems Existing in Rod Mechanism
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[0048] An embodiment of the present invention will be further described below in conjunction with the accompanying drawings.
[0049] Such as figure 2 As shown, in the embodiment of the present invention, the output parameter controllable link mechanism experimental device, its mechanism model adopts the common six-link structure composed of crank rocker sliders; the device includes a base 1, an active part a and a slave The moving part d also includes an adjustable variable link part b, a motor control part and a signal acquisition part, wherein the active part a and the driven part d are respectively arranged at both ends of the base 1, and the adjustable variable link part b is fixedly arranged on the base 1 between the active part a and the driven part d, and is connected with the driven part d; the signal output end of the motor control part is respectively connected with the active part a and the adjustable variable link part b; the nine-axis acceleration sensor of the...
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The invention is a linkage mechanism experimental device with adjustable output parameters and a control method thereof, which belongs to the field of linkage mechanism transmission technology. The invention is mainly used for classroom teaching experiment display and mechanical structure design optimization in practical applications; it can realize motor variable speed. The rotation speed input and the variable rod length input change the rotation speed of the active part and the rod length of the variable rod length unit in real time during the operation of the linkage mechanism, thereby realizing some functions that cannot be achieved by the traditional linkage mechanism; according to the given control method, it can be solved The designed linkage mechanism may have the problem that the speed and acceleration exceed the safety threshold. It can also solve the problem that the output parameters of the designed linkage mechanism do not fully fit the required output parameters, making the application of the linkage mechanism difficult. It is limited to fixed rod length and fixed speed, which expands the application scope of the connecting rod mechanism; in addition, this solution can not only be used in classroom teaching experiments, but also in actual production.
Description
technical field [0001] The invention belongs to the technical field of connecting rod mechanism transmission, and in particular relates to a connecting rod mechanism experimental device with adjustable output parameters and a regulating method thereof. Background technique [0002] With the continuous deepening of innovative education and practical education, more and more innovative experimental devices of mechanical linkage mechanism have entered the classroom of students. [0003] For example, the patent publication No. CN104157206A "Multifunctional Planar Mechanism Demonstrator and Its Implementation Method" discloses a method for realizing a multifunctional planar mechanism demonstrator, which includes the following steps: configuring multiple planar linkage mechanisms for forming various a number of parts; a plurality of preset holes used to limit the installation positions of a plurality of parts are set on the demonstration platform; the corresponding parts are selec...
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IPC IPC(8): G09B25/02
CPCG09B25/02
Inventor 李树军马德扬亢嘉妮孙丁山
Owner NORTHEASTERN UNIV LIAONING