CN114646415B - Adjustable multifunctional mechanical system mechanical device and working method thereof - Google Patents
Adjustable multifunctional mechanical system mechanical device and working method thereof Download PDFInfo
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- CN114646415B CN114646415B CN202210248297.8A CN202210248297A CN114646415B CN 114646415 B CN114646415 B CN 114646415B CN 202210248297 A CN202210248297 A CN 202210248297A CN 114646415 B CN114646415 B CN 114646415B
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000003825 pressing Methods 0.000 claims abstract description 66
- 230000007246 mechanism Effects 0.000 claims abstract description 65
- 238000013519 translation Methods 0.000 claims abstract description 49
- 230000033001 locomotion Effects 0.000 claims abstract description 26
- 230000003287 optical effect Effects 0.000 claims description 12
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 230000009467 reduction Effects 0.000 claims description 5
- 241000251468 Actinopterygii Species 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 9
- 230000010354 integration Effects 0.000 abstract description 3
- 230000003068 static effect Effects 0.000 abstract description 2
- 238000002474 experimental method Methods 0.000 description 5
- 230000004044 response Effects 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 3
- 238000009776 industrial production Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0028—Force sensors associated with force applying means
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- 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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0028—Force sensors associated with force applying means
- G01L5/0033—Force sensors associated with force applying means applying a pulling force
Abstract
The invention belongs to the technical field of mechanics, and particularly relates to an adjustable multifunctional mechanical system mechanical device and a working method thereof. The device comprises a translation mechanism, a swinging mechanism and a pulling and pressing mechanism; the translation mechanism comprises a rod piece, a crank, a connecting rod, a sliding block and a translation flat plate; the swinging mechanism comprises a swinging guide rod, a swinging flat plate and a rotating shaft; the pulling and pressing mechanism comprises a pressure receiving plate, a pressing rod and a dynamometer. The motor drives the crank to form a crank slide block mechanism, so that the translation of the translation flat plate, the swinging of the swinging flat plate and the pulling and pressing of the pressing plate are realized. The translational plate displacement, the swinging plate angular displacement and the pressing plate displacement amplitude are determined by the length of a crank, and the movement frequency is determined by the rotation speed of a motor. The static distance between the pressing plate and the pressure receiving plate of the pulling and pressing mechanism is roughly adjusted through the frame and finely adjusted through the micro-motion platform. The invention realizes the integration of translational swing pulling and pressing movement and has the characteristics of improving the space and resource utilization rate.
Description
Technical Field
The invention belongs to the technical field of mechanics, and particularly relates to an adjustable multifunctional mechanical system mechanical device and a working method thereof.
Background
In the teaching and scientific research, a set of effective theory and conclusion which are attached to most practical working conditions are summarized through multiple experiments at multiple angles in some laboratory-level scientific experiments. In the multi-angle multiple experiments, if the variable control of each experiment cannot be guaranteed to be single, the obtained conclusion and theory are easy to be inaccurate, and the actual working condition is difficult to reflect.
In actual industrial production, particularly in a production line, due to the lack of an electromechanical system which is convenient to operate, small in occupied space and capable of meeting various motion simulation requirements, the synchronism, the rhythmicity, the accuracy and the stability of feeding are difficult to ensure during feeding.
Aiming at the problems, it is important to design an adjustable multifunctional mechanical system mechanical device which only needs one power source for driving and can simultaneously meet the requirements of translational motion, swinging motion and pulling and pressing motion and a working method thereof.
For example, a plane mechanism capable of swinging and translating and a working method thereof are described in chinese patent document with application number CN201911036361.0, and the plane mechanism comprises a base, a first swinging device, a telescopic device, a second swinging device and a movable platform, wherein the movable platform is respectively connected with the base through the first swinging device, the telescopic device and the second swinging device, the first swinging device and the second swinging device are hinged with the movable platform, the end part of the telescopic device is fixedly connected with the base and hinged with the middle part of the movable platform, and the first swinging device and the second swinging device are respectively arranged at two sides of the telescopic device. Although only a small amount of motors are needed in the mechanism, a simpler and symmetrical structure is used for completing translation, the number of parts is reduced to achieve the same effect through the improvement of the prior art of the structure, the advantage of high platform speed is reflected while the structure is simple, and the working efficiency is improved, the mechanism (1) can not realize pulling and pressing movement, and the mechanism capable of realizing pulling and pressing movement needs to be additionally configured, so that the utilization rate of space and resources is reduced; (2) The rocker and swing rod parallel mechanism is adopted to realize swinging and translation, so that the motion stability is difficult to ensure, especially under the heavy load condition; (3) The multiple groups of motor driving schemes have high requirements on structural installation and motion control precision, are difficult to ensure synchronism and accuracy, and can increase the system cost.
Disclosure of Invention
The invention provides an adjustable multifunctional mechanical system device which is driven by only one power source and can simultaneously meet the requirements of translational motion, swinging motion and pulling and pressing motion, and a working method thereof, and aims to solve the problems that the conventional electromechanical system cannot meet the requirements of various motion simulation and is difficult to ensure the synchronism, rhythmicity, accuracy and stability of feeding during feeding.
In order to achieve the aim of the invention, the invention adopts the following technical scheme:
the adjustable multifunctional mechanical system mechanical device comprises a frame, a translation mechanism arranged on the frame, a swinging mechanism connected with the translation mechanism and a pulling and pressing mechanism;
the translation mechanism comprises a translation flat plate, a motor, a crank connected with the output end of the motor, a connecting rod connected with the crank, a rod piece connected with the connecting rod and two sliding blocks connected with the rod piece; the rod piece is positioned below the translation flat plate; the sliding blocks are connected with the translation flat plate; the sliding blocks slide along a polish rod arranged on the frame;
the swinging mechanism comprises a swinging guide rod, a swinging flat plate connected with the bottom of the swinging guide rod and a supporting piece for supporting the swinging guide rod; the support piece comprises a rotating shaft and a bearing seat arranged on the frame, and the rotating shaft is in interference fit with a bearing hole in the bearing seat; a guide path is arranged on the swing guide rod;
the pulling and pressing mechanism comprises a pressure receiving plate, a pressing rod and a dynamometer arranged on the frame; one end of the pressing rod is fixedly connected with the rod piece, and the other end of the pressing rod is in threaded connection with the pressing plate; one side of the pressure receiving plate is fixedly connected with the dynamometer, and the other side of the pressure receiving plate is opposite to the pressure opposite plate; a plurality of through holes are formed in the pressing plate and the pressure receiving plate; shaft sleeves are arranged in the through holes; and the shaft sleeves are internally provided with optical axes.
Preferably, the length of the rod piece is 310mm; the length of the connecting rod is 470mm; the length of the optical rod is 270mm.
Preferably, the motor is a speed-adjustable three-phase alternating current motor with a reduction gearbox and a frequency converter.
Preferably, the radius of rotation of the swinging flat plate to the rotating shaft is 22.6mm; the shortest distance from the rod piece to the vertical direction of the rotating shaft is 25mm.
Preferably, when the effective rotation radius of the crank is 20mm and 40mm respectively, the swing angle range of the swing flat plate is-38.66 degrees to 38.66 degrees and-58 degrees to 58 degrees respectively, and the swing frequency of the swing flat plate is equal to the rotation frequency of the crank.
Preferably, the length of the pressing rod is 260mm; when the effective rotation radius of the crank is 20mm and 40mm respectively, the distance range between the pressing plate and the pressure receiving plate is 0mm-40mm and 0mm-80mm respectively; the pulling and pressing frequency of the pulling and pressing mechanism is equal to the rotation frequency of the crank.
Preferably, the device further comprises a micro-motion platform; the bottom of the dynamometer is fixedly connected with the micro-motion platform and is used for recording the tension and compression acting force of a measured workpiece; the bottom of the micro-motion platform is fixedly connected with the frame and used for fine-adjusting the distance between the pressing plate and the pressure receiving plate.
Preferably, two ends of the connecting rod are respectively connected with the rod piece and the optical axis on the crank through fish eye bearings.
The invention also provides a working method of the adjustable multifunctional mechanical system mechanical device, which comprises the following steps:
s1, adjusting the frequency of a motor, and selecting the effective rotation radius of a crank; the power supply is turned on, the motor is started, and a crank in the translation mechanism rotates and horizontally reciprocates through a connecting rod, a rod piece and two sliding blocks;
s2, synchronizing with the step S1, wherein in the horizontal reciprocating motion process of the rod piece in the translation mechanism, the swinging flat plate swings reciprocally around the rotating shaft through the swinging guide rod;
s3, synchronizing with the step S1, a rod piece of the translation mechanism drives the pressing plate to do horizontal reciprocating motion through a pressing rod, so that the pulling pressure action on a measured workpiece between the pressing plate and the pressure receiving plate is realized; the tensile pressure value of the measured workpiece is measured by a dynamometer.
Compared with the prior art, the invention has the beneficial effects that: (1) The device has high integration level, and three synchronous motions of translation, swing and tension and compression are realized by only one power source; (2) The device has strong adjustability, can adjust the working frequency of the mechanism through the frequency converter, and can adjust the amplitude of translation, swing and tension through the effective radius of rotation of the crank; (3) According to the invention, the data is visualized, the dynamometer can display the tension pressure of the tested workpiece in real time, and the display screen of the frequency converter can display the output frequency in real time; (4) The invention effectively ensures the variable controllability and the data accuracy of the experiment and also ensures the synchronism, the stability and the flexibility of feeding in industrial production.
Drawings
FIG. 1 is a top view of an overall structure of an adjustable multi-functional mechanical system mechanism of the present invention;
FIG. 2 is an isometric view of an overall structure of the adjustable multi-functional mechanical system mechanism of the present invention;
FIG. 3 is a top view of one configuration of the translation and swing mechanisms of the present invention;
FIG. 4 is an isometric view of one configuration of the translation and swing mechanisms of the present invention;
FIG. 5 is a top view of a pull-push mechanism according to the present invention;
FIG. 6 is an isometric view of a construction of a pulling and pressing mechanism according to the present invention;
FIG. 7 is a top view of a translation plate of the present invention;
FIG. 8 is a schematic view of a crank of the present invention;
FIG. 9 is a schematic view of a swing guide according to the present invention;
FIG. 10 is a schematic diagram of a slider-crank mechanism according to the present invention;
FIG. 11 is a graph of a time domain response to slider displacement in accordance with the present invention;
FIG. 12 is a graph of a time domain response of slider velocity in accordance with the present invention;
FIG. 13 is a graph of a time domain response of slider acceleration according to the present invention.
In the figure: the device comprises a motor 101, a crank 102, a connecting rod 103, a translation flat plate 104, a polished rod 106, a sliding block 108, a rod 201, a swinging guide rod 202, a swinging flat plate 203, a bearing seat 204, a rotating shaft 206, a pressing rod 301, a pressing plate 302, an optical axis 303, a dynamometer 305, a micro-motion platform 308, a pressure receiving plate 309 and a rack 400.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention, specific embodiments of the present invention will be described below with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the invention, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.
Example 1:
the adjustable multifunctional mechanical system mechanical device as shown in fig. 1 to 6 comprises a frame 400, a translation mechanism arranged on the frame, a swinging mechanism connected with the translation mechanism and a pulling and pressing mechanism;
the translation mechanism comprises a translation flat plate 104, a motor 101, a crank 102 connected with the output end of the motor, a connecting rod 103 connected with the crank, a rod 201 connected with the connecting rod and two sliding blocks 108 connected with the rod; the rod piece is positioned below the translation flat plate; the sliding blocks are connected with the translation flat plate; the sliding blocks slide along a polish rod 106 arranged on the frame;
the translation mechanism comprises a speed-adjustable three-phase alternating current motor with a reduction gearbox and a frequency converter as power sources, and the motor in the embodiment adopts a 6IK200RGU-SF three-phase alternating current motor and is matched with a 6GU-10K reduction gearbox. The output end of the motor is connected with a crank by a flat key, the crank is provided with two pin holes along the length direction, the effective rotation radius of the crank corresponds to 20mm and 40mm respectively, and the stroke of a corresponding rod (or a sliding block) is 40mm and 80mm respectively. The rotation center of the output shaft of the adjusting motor is positioned on the extension line of the movement track of the rod piece. The connecting rod in the translation mechanism drives the rod piece to move, and the rod piece drives the two sliding blocks to move at the same time, so that the horizontal reciprocating motion of the translation flat plate is realized.
Wherein the length of the rod piece is 310mm; the length of the connecting rod is 470mm; the length of the optical rod is 270mm. The translational plate structure is shown in fig. 7. The crank structure is shown in fig. 8.
Frequency converter output frequency f Frequency converter Rotational speed n, period T and frequency f of motor output shaft Motor with a motor housing The equation is as follows:
wherein the reduction ratio i=10.
Obtainable f Motor with a motor housing -f Frequency converter The relation is that
By adjusting the frequency of the output f of the frequency converter according to equation (4) Frequency converter Determining the rotation frequency f of an output shaft of a motor Motor with a motor housing The numerical value is equal to the crank rotation frequency and the horizontal sliding frequency of the translation flat plate (or the sliding block).
The center of the output shaft of the motor is defined as an origin O of a coordinate system, the direction of the axis B of the pointing rod piece is the positive direction of the x axis, and the vertical upward direction is the positive direction of the y axis, as shown in fig. 10. Definition OA represents the effective rotation radius length of the crank, AB represents the length of the connecting rod, theta is the included angle between the crank and the x axis, the rotation angular speed of the crank is omega, and the time is t. The expressions of displacement, speed and acceleration of the sliding block are as follows:
when f Motor with a motor housing When the crank rotation angular velocity omega=2pi rad/s is=1 Hz, the displacement, velocity and acceleration time domain response curves of the slide block are shown in fig. 11, 12 and 13 when the effective rotation radius of the crank is 20mm and 40mm respectively.
The swing mechanism comprises a swing guide rod 202, a swing flat plate 203 connected with the bottom of the swing guide rod and a support piece for supporting the swing guide rod; the support piece comprises a rotating shaft 206 and a bearing seat 204 arranged on the frame, and the rotating shaft is in interference fit with a bearing hole in the bearing seat; a guide path is arranged on the swing guide rod;
the core component of the swinging mechanism is a swinging guide rod, as shown in figure 9, the swinging guide rod is provided with a rotating shaft mounting hole and a guide path with the width equal to the diameter of a rod piece of the translation mechanism. The bottom of the swing guide rod is connected with the swing flat plate through threads. The rotating shaft is in interference fit with a bearing hole in a bearing seat fixed on the frame and supports the swinging guide rod. The rod piece and the swinging guide rod form a moving pair, so that the translation of the rod piece can be converted into the swinging of the swinging guide rod, and the swinging of the swinging flat plate around the center of the rotating shaft is realized. The oscillating frequency of the oscillating plate is consistent with the crank rotation frequency, and the oscillating amplitude is proportional to the effective rotation radius of the crank.
The radius of rotation from the swinging flat plate to the rotating shaft is 22.6mm, and the shortest distance from the rod piece to the vertical direction of the rotating shaft is 25mm. When the effective rotation radius of the crank is 20mm and 40mm respectively, the swing angle range of the swing flat plate is-38.66 degrees to 38.66 degrees and-58 degrees to 58 degrees respectively, and the swing frequency is equivalent to the crank rotation frequency.
The pulling and pressing mechanism comprises a pressure receiving plate 309, a pressure plate 302, a pressure rod 301 and a dynamometer 305 arranged on the frame; one end of the pressing rod is fixedly connected with the rod piece, and the other end of the pressing rod is in threaded connection with the pressing plate; one side of the pressure receiving plate is fixedly connected with the dynamometer, and the other side of the pressure receiving plate is opposite to the pressure opposite plate; a plurality of through holes are formed in the pressing plate and the pressure receiving plate; shaft sleeves are arranged in the through holes; an optical axis 303 is arranged in the shaft sleeve.
The pressing plate and the pressure receiving plate are provided with four through holes with the same diameter at the same position for installing the shaft sleeve, and the shaft sleeve can realize that the pressing plate and the pressure receiving plate horizontally slide along four optical axes fixed on the frame. The optical axis is used for eliminating the interference of the tension and compression mechanism and the gravity of the measured workpiece on the motion of the mechanical system.
Further, the adjustable multifunctional mechanical system mechanical device further comprises a micro-motion platform 308; the bottom of the dynamometer is fixedly connected with the micro-motion platform and is used for recording the tension and compression acting force of a measured workpiece; the bottom of the micro-motion platform is fixedly connected with the frame and used for fine-adjusting the distance between the pressing plate and the pressure receiving plate. The spacing can also be coarsely adjusted by the frame.
Wherein, the length of the compression bar is 260mm. When the effective rotation radius of the crank is 20mm and 40mm respectively, the distance range between the pressing plate and the pressure receiving plate is 0mm-40mm and 0mm-80mm respectively, and the pulling and pressing frequency is equal to the rotation frequency of the crank.
Furthermore, the two ends of the connecting rod are respectively connected with the rod piece and the optical axis on the crank through fish eye bearings.
The invention also provides a working method of the adjustable multifunctional mechanical system mechanical device, which comprises the following steps:
s1, adjusting the frequency of a motor, and selecting the effective rotation radius of a crank; the power supply is turned on, the motor is started, and a crank in the translation mechanism rotates and horizontally reciprocates through a connecting rod, a rod piece and two sliding blocks;
s2, synchronizing with the step S1, wherein in the horizontal reciprocating motion process of the rod piece in the translation mechanism, the swinging flat plate swings reciprocally around the rotating shaft through the swinging guide rod;
s3, synchronizing with the step S1, a rod piece of the translation mechanism drives the pressing plate to do horizontal reciprocating motion through a pressing rod, so that the pulling pressure action on a measured workpiece between the pressing plate and the pressure receiving plate is realized; the tensile pressure value of the measured workpiece is measured by a dynamometer.
The invention realizes single input and multiple output with limited resources and space, and can be used in the industries of teaching and scientific research, industrial production, military national defense and the like. The invention comprises a translation mechanism, a swinging mechanism and a pulling and pressing mechanism. The motor drives the crank to form a crank slide block mechanism, so that the translation of the translation flat plate, the swinging of the swinging flat plate and the pulling and pressing of the pressing plate are realized. The translational plate displacement, the swinging plate angular displacement and the pressing plate displacement amplitude are determined by the length of a crank, and the movement frequency is determined by the rotation speed of a motor. The static distance between the pressing plate and the pressure receiving plate of the pulling and pressing mechanism is roughly adjusted through the frame and finely adjusted through the micro-motion platform. The invention realizes the integration of translational swing pulling and pressing movement and improves the utilization rate of space and resources.
The foregoing is only illustrative of the preferred embodiments and principles of the present invention, and changes in specific embodiments will occur to those skilled in the art upon consideration of the teachings provided herein, and such changes are intended to be included within the scope of the invention as defined by the claims.
Claims (9)
1. The adjustable multifunctional mechanical system mechanical device is characterized by comprising a frame, a translation mechanism arranged on the frame, a swinging mechanism connected with the translation mechanism and a pulling and pressing mechanism;
the translation mechanism comprises a translation flat plate, a motor, a crank connected with the output end of the motor, a connecting rod connected with the crank, a rod piece connected with the connecting rod and two sliding blocks connected with the rod piece; the rod piece is positioned below the translation flat plate; the sliding blocks are connected with the translation flat plate; the sliding blocks slide along a polish rod arranged on the frame;
the swinging mechanism comprises a swinging guide rod, a swinging flat plate connected with the bottom of the swinging guide rod and a supporting piece for supporting the swinging guide rod; the support piece comprises a rotating shaft and a bearing seat arranged on the frame, and the rotating shaft is in interference fit with a bearing hole in the bearing seat; a guide path is arranged on the swing guide rod;
the pulling and pressing mechanism comprises a pressure receiving plate, a pressing rod and a dynamometer arranged on the frame; one end of the pressing rod is fixedly connected with the rod piece, and the other end of the pressing rod is in threaded connection with the pressing plate; one side of the pressure receiving plate is fixedly connected with the dynamometer, and the other side of the pressure receiving plate is opposite to the pressure opposite plate; a plurality of through holes are formed in the pressing plate and the pressure receiving plate; shaft sleeves are arranged in the through holes; and the shaft sleeves are internally provided with optical axes.
2. The adjustable multi-function mechanical system of claim 1, wherein the rod length is 310mm; the length of the connecting rod is 470mm; the length of the optical rod is 270mm.
3. The adjustable, multi-purpose mechanical system of claim 1, wherein the motor is a speed-adjustable three-phase ac motor with a reduction gearbox and a frequency converter.
4. The adjustable multi-function mechanical system of claim 1, wherein the swing plate to spindle radius of rotation is 22.6mm; the shortest distance from the rod piece to the vertical direction of the rotating shaft is 25mm.
5. The adjustable multi-function mechanical system of claim 4, wherein the swing angle ranges of the swing plate are-38.66 ° to 38.66 °, -58 ° to 58 °, respectively, when the effective radius of rotation of the crank is 20mm, 40mm, respectively, and the swing frequency of the swing plate is equivalent to the rotational frequency of the crank.
6. The adjustable multi-function mechanical system of claim 1, wherein the strut length is 260mm; when the effective rotation radius of the crank is 20mm and 40mm respectively, the distance range between the pressing plate and the pressure receiving plate is 0mm-40mm and 0mm-80mm respectively; the pulling and pressing frequency of the pulling and pressing mechanism is equal to the rotation frequency of the crank.
7. The adjustable multi-function mechanical system of claim 6, further comprising a jog platform; the bottom of the dynamometer is fixedly connected with the micro-motion platform and is used for recording the tension and compression acting force of a measured workpiece; the bottom of the micro-motion platform is fixedly connected with the frame and used for fine-adjusting the distance between the pressing plate and the pressure receiving plate.
8. The adjustable multifunctional mechanical system mechanical device of claim 1, wherein two ends of the connecting rod are respectively connected with the rod piece and the optical axis on the crank through fish eye bearings.
9. A method of operating an adjustable multifunctional mechanical system mechanism according to claim 1, comprising the steps of:
s1, adjusting the frequency of a motor, and selecting the effective rotation radius of a crank; the power supply is turned on, the motor is started, and a crank in the translation mechanism rotates and horizontally reciprocates through a connecting rod, a rod piece and two sliding blocks;
s2, synchronizing with the step S1, wherein in the horizontal reciprocating motion process of the rod piece in the translation mechanism, the swinging flat plate swings reciprocally around the rotating shaft through the swinging guide rod;
s3, synchronizing with the step S1, a rod piece of the translation mechanism drives the pressing plate to do horizontal reciprocating motion through a pressing rod, so that the pulling pressure action on a measured workpiece between the pressing plate and the pressure receiving plate is realized; the tensile pressure value of the measured workpiece is measured by a dynamometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210248297.8A CN114646415B (en) | 2022-03-14 | 2022-03-14 | Adjustable multifunctional mechanical system mechanical device and working method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210248297.8A CN114646415B (en) | 2022-03-14 | 2022-03-14 | Adjustable multifunctional mechanical system mechanical device and working method thereof |
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| CN114646415B true CN114646415B (en) | 2024-04-02 |
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| CN208026417U (en) * | 2018-04-10 | 2018-10-30 | 力茨（江苏）机电装备有限公司 | A kind of automotive gear shifter shift force checking device |
| CN110774264A (en) * | 2019-10-29 | 2020-02-11 | 天津大学 | Plane mechanism with one swinging and one translation and working method thereof |
| CN113155337A (en) * | 2021-04-12 | 2021-07-23 | 北京电子工程总体研究所 | Step torque loading system and method thereof |
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2022
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150105047A (en) * | 2014-03-07 | 2015-09-16 | 주식회사 에스알포유 | Driving apparatus for horse riding, health care exercising apparatus using the same, control method thereof |
| CN104127300A (en) * | 2014-07-31 | 2014-11-05 | 安阳工学院 | Rehabilitation training device making upper arms swing leftward and rightward |
| CN104504989A (en) * | 2014-12-31 | 2015-04-08 | 天津大学 | Typical mechanism motion analysis modular teaching device |
| CN106368088A (en) * | 2016-08-31 | 2017-02-01 | 昆明学院 | Automatic machine for replacing sleepers |
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| CN114646415A (en) | 2022-06-21 |
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