CN104240564A - Theoretical mechanics answer device - Google Patents
Theoretical mechanics answer device Download PDFInfo
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- CN104240564A CN104240564A CN201410340997.5A CN201410340997A CN104240564A CN 104240564 A CN104240564 A CN 104240564A CN 201410340997 A CN201410340997 A CN 201410340997A CN 104240564 A CN104240564 A CN 104240564A
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Abstract
A theoretical mechanics answer device comprises a support, a rotating disc, a plurality of detachable question modules, a sensor linkage module and a control module. The rotating disc is coupled to the support, the question modules are installed on the rotating disc, the sensor linkage module is used for driving the question modules to make corresponding actions, and the control module is used for controlling the sensor linkage module. The rotating disc is coupled to the support. The sensor linkage module is installed on the support through a first fixing part. The power output end of the sensor linkage module is connected with the corresponding question module, and the signal output end of an optoelectronic switch of the sensor linkage module is connected with the control module used for processing collected data. The theoretical mechanics answer device has the advantages that the abstract and recondite theoretical mechanics is reified and is visually achieved in a mechanical mode; the whole linkage mechanism is simple and efficient; the mechanism is simplified and is high in efficiency due to the innovative linkage design, the operation procedures are simplified, and synchronization of all the components is achieved; meanwhile, only one power source is used for the linkage device, so that the design of a control circuit is simplified.
Description
Technical field
The present invention relates to a kind of theoretical mechanics answering device.
Background technology
Theoretical mechanics is that an application is stronger, and important basic subject, has a wide range of applications in many lives and engineering field.But this subject seems more abstract, real grasp is also more difficult.Due to past theoretical mechanics there is no for experimental provision, Engineering Students learns this theory and feels more uninteresting, affects results of learning.
Summary of the invention
The present invention is directed to current theoretical mechanics there is no for the problem of experimental provision, propose a kind of by theoretical mechanics material objectization, the simple theoretical mechanics answering device of structure.
Theoretical mechanics answering device of the present invention, it is characterized in that: comprise support, the exercise question module of the rotating disk be coupling with support, the some detachables be arranged on rotating disk, for drive exercise question module make corresponding actions sensor interlocking module, for controlling the control module of sensor interlocking module, described turntable shaft is connected on described support; Described sensor interlocking module is rack-mount by the first fixture; The clutch end of described sensor interlocking module is connected with the control module for the treatment of image data with the signal output part of the optoelectronic switch of corresponding exercise question model calling, described sensor interlocking module respectively; Make the displacement data one_to_one corresponding that the described corresponding action of exercise question module is monitored by the optoelectronic switch of sensor interlocking module.
Described sensor interlocking module comprises aggressive device, gearing, at least one group of cam enlarger and at least one group of four-bar mechanism, be fixed on the first motor of support side, described aggressive device comprises central shaft, clutch shaft bearing, center bevel gear, the described center bevel gear described in the installation of central shaft one end, the other end is furnished with clutch shaft bearing, described gearing comprises the transverse axis that two are assembled with drive bevel gear, drive coordination is taken turns, drive coordination band, the axisymmetric both sides being distributed in center bevel gear of described level, described drive bevel gear engages with described center bevel gear, wherein the horizontal the tip of the axis of side is equipped with drive coordination wheel, described cam enlarger comprises L-type connecting rod, the horizontal extension bar of cam, vertically expansion link, band guide groove, and described cam is fixing on the horizontal axis, and the L-type rod hinge connection of band guide groove is on fixed transverse rod, one end and the described cam of described vertical expansion link are fixed, the other end and described L-type rod hinge connection, and the rotation of described transverse axis changes into moving up and down of vertical expansion link, moving up and down of vertical expansion link is converted into moving horizontally of horizontal extension bar by described L-type connecting rod, described horizontal extension bar is fixed for make the horizon light electric switch that the detection zone of described horizon light electric switch is movable, described four-bar mechanism comprises 2 horizon bars, 2 connecting rods and an expansion link, and the horizon bar end wherein described in is equipped with the second synchronizing wheel, and described drive coordination wheel to be taken turns with described drive coordination by drive coordination band and the second synchronizing wheel is connected, described expansion link is fixed for make the vertical optoelectronic switch that the detection zone of described vertical optoelectronic switch is movable, the first described motor is connected with the central shaft of described sensor interlocking module by power transmission synchronizing wheel.
Described sensor interlocking module is provided with four groups of cam enlargers and two groups of four-bar mechanisms.
Described exercise question module is one or both or two or more combinations in equilibrium of couples device, theorem of momentum device, instantaneous center of velocity subtraction unit.
Described equilibrium of couples device comprises disk, the second fixture, adjustable couple device, constraining force couple device, base plate with many vertical rods, the axle of described disk is fixed on and is contained on the second bearing of base plate in advance, described disk is fixed two magnetic stripes, a roller, wherein a magnetic stripe is furnished with scale; The second described fixture is by being adhesively fixed in upper vertical rod with linear bearing; Magnetic stripe on the second described fixture fixed disc; Described constraining force couple device comprises for providing the spring of nominal force to intermediate plate, for providing the intermediate plate of moment to disk, described both ends of the spring is connected between two vertical rods, and wherein one end of a vertical rod and intermediate plate is fixed, the other end of intermediate plate is hinged on disk by guide groove and roller; The first magnet, fine rule that described adjustable couple device comprises hook code, slides along magnetic stripe with a scale, described fine rule butt hook code and the first magnet are around the support on base plate.
Described theorem of momentum device comprises emitter, receiving trap, bearing, for being trapped among the baffle plate of bearing periphery, described emitter, receiving trap and baffle plate are all fixed on described bearing; Described emitter comprise multiple be arranged in order for impact small front apron steel ball, for attracting the second magnet of steel ball, for holding the handle of the groove aluminium of steel ball and the front and back position for adjustment tank aluminium; Described receiving trap comprises anchor ear, small front apron, butterfly, installation shaft, installation shaft bearing; Described small front apron and described butterfly are arranged in described installation shaft respectively, and described anchor ear is arranged between groove aluminium and installation shaft.
Described emitter is provided with four for impacting the steel ball of small front apron, and be respectively the first steel ball, the second steel ball, the 3rd steel ball and the 4th steel ball, wherein said magnet is between the first described steel ball and the second steel ball.
Described instantaneous center of velocity subtraction unit comprises erecting frame, arrangements for speed regulation, pick-up unit and telecontrol equipment for supporting; Described arrangements for speed regulation comprise the second motor, the 3rd motor and DC speed regulator, and described DC speed regulator is connected with the 3rd motor; Described telecontrol equipment comprises four the first synchronizing wheels, the second synchronizing wheel, the first Timing Belt, the second Timing Belt that are distributed in erecting frame corner, wherein to be connected with between the first Timing Belt, another two the first synchronizing wheels the second Timing Belt between two the first synchronizing wheels to connect, and the first Timing Belt and the second Timing Belt all with the second synchronizing wheel surface contact; The 3rd described motor is connected with wherein one group of first synchronizing wheel, and the second motor is connected with the first synchronizing wheel in another group; Described pick-up unit is the run duration being detected the second synchronizing wheel by optoelectronic switch.
Described erecting frame is barricaded as by 2020 aluminium section bars, the second bearing seat and the 3rd bearing seat.
The course of work is as follows: the 1) motion of sensor interlocking module: in the first electric machine rotation process, rotated by the drive coordination wheel of drive coordination band band dynamic sensor interlocking module, thus drive transverse axis to make the displacement of corresponding level or vertical direction, drive the horizon light electric switch being arranged on sensor interlocking module and vertical optoelectronic switch to make corresponding action simultaneously, thus detected device detects corresponding displacement signal, monitoring student does a large amount of physical characteristic data in topic process, and use large data processing mechanism, student's theory is grasped, computing power, quantitatively evaluating is made with the ability of practice,
2) motion of equilibrium of couples device: the power being changed adjustable couple by the quantity changing hook code, thus the first magnet can the magnetic stripe with a scale on disk be slided change the arm of force of adjustable couple; Thus in the relative displacement making to produce between the optoelectronic switch of disk and sensor interlocking module, make whole device collect corresponding displacement signal by sensor interlocking module, be then sent to control device and carry out data analysis;
3) motion of theorem of momentum device: the second attraction first steel ball also launches the 3rd steel ball, and the 3rd steel ball obtains a specified initial velocity, and the 3rd steel ball and the 4th steel ball collide, makes the 4th steel ball releasing slots aluminium make level throw motion; Handle can the front and back position of regulating tank aluminium, and make the 4th steel ball finally can impact small front apron, when receiving the 4th steel ball, the 4th steel ball impacts small front apron by anchor ear, and installation shaft is rotated, and then makes butterfly turn over certain angle; Thus the relative displacement by producing between butterfly and the optoelectronic switch of sensor interlocking module, make whole device collect corresponding displacement signal by sensor interlocking module, be then sent to control device and carry out data analysis;
4) motion of instantaneous center of velocity subtraction unit: DC speed regulator the 3rd controls the angular velocity of motor; Described pick-up unit is the run duration being detected the second synchronizing wheel by optoelectronic switch; Thus the relative displacement by producing between the rotation of the second synchronizing wheel and the optoelectronic switch of sensor interlocking module, make whole device collect corresponding displacement signal by sensor interlocking module, be then sent to control device and carry out data analysis.
Technical conceive of the present invention is: the present invention is divided into exercise question module, sensor interlocking module and control module.Described exercise question module is by equilibrium of couples, and theorem of momentum, instantaneous Velocity Center Method 3 device compositions, exercise question can be dismantled and replace, to meet different teaching demands.Described interlocking module only needs a motor, realizes 6 sensors, turns and the interlock of all gear trains.Described control module is by sensor received bit shifting signal, and monitoring student does a large amount of physical characteristic data in topic process, and uses large data processing mechanism, makes quantitatively evaluating to the grasp of student's theory, computing power and the ability of practice.
Beneficial effect of the present invention is: by abstract obscure theoretical mechanics material objectization.Theoretical mechanics is realized by mechanical means intuitively, student can be helped to understand and grasp ABC, closing to reality life is produced again, strengthens the enthusiasm of study, more improves the ability of practice of student; Coupled motion mechanism is efficiently brief; The interlock design of innovation makes mechanism simple efficient, simplifies operating process, realizes the synchronous of each parts; Meanwhile, a power source only used by linkage, simplifies the design of control circuit.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present invention.
Fig. 2 is side view of the present invention.
Fig. 3 is sensor interlocking module schematic diagram of the present invention.
Fig. 4 is equilibrium of couples exercise question schematic diagram of the present invention.
Fig. 5 is theorem of momentum exercise question schematic diagram of the present invention.
Fig. 6 is instantaneous Velocity Center Method exercise question schematic diagram of the present invention.
Embodiment
The present invention is further illustrated below in conjunction with accompanying drawing
With reference to accompanying drawing:
Theoretical mechanics answering device of the present invention, comprise support 1, the exercise question module 3 of the rotating disk 2 be coupling with support, the some detachables be arranged on rotating disk, for drive exercise question module make corresponding actions sensor interlocking module 5, for controlling the control module of sensor interlocking module, described rotating disk 2 is coupling on described support 1; Described sensor interlocking module 5 is arranged on support 1 by the first fixture 4; The clutch end of described sensor interlocking module 5 is connected with corresponding exercise question module 3 respectively, the signal output part of the optoelectronic switch of described sensor interlocking module 5 is connected with the control module for the treatment of image data; Make the displacement data one_to_one corresponding that the corresponding action of described exercise question module 3 is monitored by the optoelectronic switch of sensor interlocking module 5.
Described sensor interlocking module 5 comprises aggressive device 51, gearing 52, at least one group of cam enlarger 53 and at least one group of four-bar mechanism 54, be fixed on the first motor 55 of support side, described aggressive device 51 comprises central shaft 511, clutch shaft bearing 512, center bevel gear 513, the described center bevel gear 513 described in the installation of central shaft 511 one end, the other end is furnished with clutch shaft bearing 512, described gearing 52 comprises the transverse axis 521 that two are assembled with drive bevel gear 522, drive coordination wheel 523, drive coordination band 524, the both sides being distributed in center bevel gear 513 of described transverse axis 521 symmetry, described drive bevel gear 522 engages with described center bevel gear 513, wherein the end of the transverse axis 521 of side is equipped with drive coordination wheel 523, described cam enlarger 53 comprises L-type connecting rod 533, the horizontal extension bar 534 of cam 531, vertically expansion link 532, band guide groove, and described cam 531 is fixed on transverse axis 521, and the L-type connecting rod 533 of band guide groove is hinged on fixed transverse rod 535, one end of described vertical expansion link 532 and described cam 531 is fixing, the other end and described L-type connecting rod 533 hinged, the rotation of described transverse axis 521 changes into moving up and down of vertical expansion link 532, moving up and down of vertical expansion link is converted into moving horizontally of horizontal extension bar 534 by described L-type connecting rod 533, described horizontal extension bar 534 is fixed for make the horizon light electric switch that the detection zone of described horizon light electric switch is movable, described four-bar mechanism 54 comprises 2 horizon bars, 541,2 connecting rods 542 and an expansion link 543, horizon bar 541 end wherein described in one is equipped with the second synchronizing wheel 5411, described drive coordination wheel 525 by drive coordination band 524 and described drive coordination take turns 523 and second synchronizing wheel 5411 be connected, described expansion link 543 is fixed for make the vertical optoelectronic switch that the detection zone of described vertical optoelectronic switch is movable, the first described motor 55 is connected by the central shaft 511 of power transmission synchronizing wheel 525 with described sensor interlocking module.
Described sensor interlocking module 5 is provided with four groups of cam enlargers 53 and two groups of four-bar mechanisms 54.
Described exercise question module 3 is one or both or two or more combinations in equilibrium of couples device 31, theorem of momentum device 32, instantaneous center of velocity subtraction unit 33.
Described equilibrium of couples device 31 comprises disk 311, second fixture 312, adjustable couple device 313, constraining force couple device 314, base plate 315 with many vertical rods 316, the axle of described disk 311 is fixed on and is contained on the second bearing of base plate 315 in advance, described disk 311 is fixed two magnetic stripes, 3111, roller, wherein a magnetic stripe is furnished with scale; The second described fixture 312 is by being adhesively fixed in upper vertical rod with linear bearing; Magnetic stripe 3111 on the second described fixture 312 fixed disc 311; Described constraining force couple device 314 comprises for providing the spring 3141 of nominal force to intermediate plate, for providing the intermediate plate 3142 of moment to disk, described spring 3141 two ends are connected between two vertical rods, and wherein one end of a vertical rod and intermediate plate 3142 is fixed, the other end of intermediate plate 3142 is hinged on disk by guide groove and roller; The first magnet, fine rule 3132 that described adjustable couple device 313 comprises hook code 3131, slides along magnetic stripe with a scale, described fine rule 3133 butt hook code 3131 and the first magnet are around the support on base plate.
Described theorem of momentum device 32 comprises emitter 321, receiving trap 322, bearing 323, for being trapped among the baffle plate 324 of bearing periphery, described emitter 321, receiving trap 322 and baffle plate 324 are all fixed on described bearing 323; Described emitter 321 comprise multiple be arranged in order for impact small front apron steel ball 3211, for attracting the second magnet 3212 of steel ball, for holding the groove aluminium 3213 of steel ball and the handle 3214 for the front and back position of adjustment tank aluminium; Described receiving trap 322 comprises anchor ear 3221, small front apron 3222, butterfly 3223, installation shaft 3224, installation shaft bearing 3225; Described small front apron 3222 and described butterfly 3223 are arranged in described installation shaft 3224 respectively, and described anchor ear 3221 is arranged between groove aluminium 3213 and installation shaft 3224.
Described emitter 321 is provided with four for impacting the steel ball of small front apron, and be respectively the first steel ball, the second steel ball, the 3rd steel ball and the 4th steel ball, wherein said magnet is between the first described steel ball and the second steel ball.
Described instantaneous center of velocity subtraction unit 33 comprises erecting frame 331, arrangements for speed regulation 332, pick-up unit and telecontrol equipment 333 for supporting; Described arrangements for speed regulation 332 comprise the second motor 3321, the 3rd motor 3322 and DC speed regulator 3323, and described DC speed regulator 3323 is connected with the 3rd motor 3322; Described telecontrol equipment 333 comprises four the first synchronizing wheel 3331, second synchronizing wheel 3332, first Timing Belt 3333, second Timing Belts 3334 being distributed in erecting frame corner, wherein be connected with the second Timing Belt 3334 between the first Timing Belt 3333, another two the first synchronizing wheels 3331 between two the first synchronizing wheels 3331 to connect, and the first Timing Belt 3333 and the second Timing Belt 3334 all with the second synchronizing wheel 3332 surface contact; The 3rd described motor 3322 is connected with wherein one group of first synchronizing wheel, and the second motor 3321 is connected with the first synchronizing wheel in another group; Described pick-up unit is the run duration being detected the second synchronizing wheel by optoelectronic switch.
Described erecting frame is barricaded as by 2020 aluminium section bars, the second bearing seat and the 3rd bearing seat.
The course of work is as follows: the 1) motion of sensor interlocking module: in the first electric machine rotation process, rotated by the drive coordination wheel of drive coordination band band dynamic sensor interlocking module, thus drive transverse axis to make the displacement of corresponding level or vertical direction, drive the horizon light electric switch being arranged on sensor interlocking module and vertical optoelectronic switch to make corresponding action simultaneously, thus detected device detects corresponding displacement signal, monitoring student does a large amount of physical characteristic data in topic process, and use large data processing mechanism, student's theory is grasped, computing power, quantitatively evaluating is made with the ability of practice,
2) motion of equilibrium of couples device: the power being changed adjustable couple by the quantity changing hook code, thus the first magnet can the magnetic stripe with a scale on disk be slided change the arm of force of adjustable couple; Thus in the relative displacement making to produce between the optoelectronic switch of disk and sensor interlocking module, make whole device collect corresponding displacement signal by sensor interlocking module, be then sent to control device and carry out data analysis;
3) motion of theorem of momentum device: the second attraction first steel ball also launches the 3rd steel ball, and the 3rd steel ball obtains a specified initial velocity, and the 3rd steel ball and the 4th steel ball collide, makes the 4th steel ball releasing slots aluminium make level throw motion; Handle can the front and back position of regulating tank aluminium, and make the 4th steel ball finally can impact small front apron, when receiving the 4th steel ball, the 4th steel ball impacts small front apron by anchor ear, and installation shaft is rotated, and then makes butterfly turn over certain angle; Thus the relative displacement by producing between butterfly and the optoelectronic switch of sensor interlocking module, make whole device collect corresponding displacement signal by sensor interlocking module, be then sent to control device and carry out data analysis;
4) motion of instantaneous center of velocity subtraction unit: DC speed regulator the 3rd controls the angular velocity of motor; Described pick-up unit is the run duration being detected the second synchronizing wheel by optoelectronic switch; Thus the relative displacement by producing between the rotation of the second synchronizing wheel and the optoelectronic switch of sensor interlocking module, make whole device collect corresponding displacement signal by sensor interlocking module, be then sent to control device and carry out data analysis.
Technical conceive of the present invention is: the present invention is divided into exercise question module, sensor interlocking module and control module.Described exercise question module is by equilibrium of couples, and theorem of momentum, instantaneous Velocity Center Method 3 device compositions, exercise question can be dismantled and replace, to meet different teaching demands.Described interlocking module only needs a motor, realizes 6 sensors, turns and the interlock of all gear trains.Described control module is by sensor received bit shifting signal, and monitoring student does a large amount of physical characteristic data in topic process, and uses large data processing mechanism, makes quantitatively evaluating to the grasp of student's theory, computing power and the ability of practice.
Content described in this instructions embodiment is only enumerating the way of realization of inventive concept; protection scope of the present invention should not be regarded as being only limitted to the concrete form that embodiment is stated, protection scope of the present invention also comprises those skilled in the art and conceives the equivalent technologies means that can expect according to the present invention.
Claims (9)
1. theoretical mechanics answering device, it is characterized in that: comprise support, the exercise question module of the rotating disk be coupling with support, the some detachables be arranged on rotating disk, for drive exercise question module make corresponding actions sensor interlocking module, for controlling the control module of sensor interlocking module, described turntable shaft is connected on described support; Described sensor interlocking module is rack-mount by the first fixture; The clutch end of described sensor interlocking module is connected with the control module for the treatment of image data with the signal output part of the optoelectronic switch of corresponding exercise question model calling, described sensor interlocking module respectively; Make the displacement data one_to_one corresponding that the described corresponding action of exercise question module is monitored by the optoelectronic switch of sensor interlocking module.
2. theoretical mechanics answering device as claimed in claim 1, it is characterized in that: described sensor interlocking module comprises aggressive device, gearing, at least one group of cam enlarger and at least one group of four-bar mechanism, be fixed on the first motor of support side, described aggressive device comprises central shaft, clutch shaft bearing, center bevel gear, the described center bevel gear described in the installation of central shaft one end, the other end is furnished with clutch shaft bearing, described gearing comprises the transverse axis that two are assembled with drive bevel gear, drive coordination is taken turns, drive coordination band, the axisymmetric both sides being distributed in center bevel gear of described level, described drive bevel gear engages with described center bevel gear, wherein the horizontal the tip of the axis of side is equipped with drive coordination wheel, described cam enlarger comprises L-type connecting rod, the horizontal extension bar of cam, vertically expansion link, band guide groove, and described cam is fixing on the horizontal axis, and the L-type rod hinge connection of band guide groove is on fixed transverse rod, one end and the described cam of described vertical expansion link are fixed, the other end and described L-type rod hinge connection, and the rotation of described transverse axis changes into moving up and down of vertical expansion link, moving up and down of vertical expansion link is converted into moving horizontally of horizontal extension bar by described L-type connecting rod, described horizontal extension bar is fixed for make the horizon light electric switch that the detection zone of described horizon light electric switch is movable, described four-bar mechanism comprises 2 horizon bars, 2 connecting rods and an expansion link, and the horizon bar end wherein described in is equipped with the second synchronizing wheel, and described drive coordination wheel to be taken turns with described drive coordination by drive coordination band and the second synchronizing wheel is connected, described expansion link is fixed for make the vertical optoelectronic switch that the detection zone of described vertical optoelectronic switch is movable, the first described motor is connected with the central shaft of described sensor interlocking module by power transmission synchronizing wheel.
3. theoretical mechanics answering device as claimed in claim 2, is characterized in that: described sensor interlocking module is provided with four groups of cam enlargers and two groups of four-bar mechanisms.
4. theoretical mechanics answering device as claimed in claim 1, is characterized in that: described exercise question module is one or both or two or more combinations in equilibrium of couples device, theorem of momentum device, instantaneous center of velocity subtraction unit.
5. theoretical mechanics answering device as claimed in claim 4, it is characterized in that: described equilibrium of couples device comprises disk, the second fixture, adjustable couple device, constraining force couple device, base plate with many vertical rods, the axle of described disk is fixed on and is contained on the second bearing of base plate in advance, described disk is fixed two magnetic stripes, a roller, wherein a magnetic stripe is furnished with scale; The second described fixture is by being adhesively fixed in upper vertical rod with linear bearing; Magnetic stripe on the second described fixture fixed disc; Described constraining force couple device comprises for providing the spring of nominal force to intermediate plate, for providing the intermediate plate of moment to disk, described both ends of the spring is connected between two vertical rods, and wherein one end of a vertical rod and intermediate plate is fixed, the other end of intermediate plate is hinged on disk by guide groove and roller; The first magnet, fine rule that described adjustable couple device comprises hook code, slides along magnetic stripe with a scale, described fine rule butt hook code and the first magnet are around the support on base plate.
6. theoretical mechanics answering device as claimed in claim 4, it is characterized in that: described theorem of momentum device comprises emitter, receiving trap, bearing, for being trapped among the baffle plate of bearing periphery, described emitter, receiving trap and baffle plate are all fixed on described bearing; Described emitter comprise multiple be arranged in order for impact small front apron steel ball, for attracting the second magnet of steel ball, for holding the handle of the groove aluminium of steel ball and the front and back position for adjustment tank aluminium; Described receiving trap comprises anchor ear, small front apron, butterfly, installation shaft, installation shaft bearing; Described small front apron and described butterfly are arranged in described installation shaft respectively, and described anchor ear is arranged between groove aluminium and installation shaft.
7. theoretical mechanics answering device as claimed in claim 6, it is characterized in that: described emitter is provided with four for impacting the steel ball of small front apron, be respectively the first steel ball, the second steel ball, the 3rd steel ball and the 4th steel ball, wherein said magnet is between the first described steel ball and the second steel ball.
8. theoretical mechanics answering device as claimed in claim 4, is characterized in that: described instantaneous center of velocity subtraction unit comprises erecting frame, arrangements for speed regulation, pick-up unit and telecontrol equipment for supporting; Described arrangements for speed regulation comprise the second motor, the 3rd motor and DC speed regulator, and described DC speed regulator is connected with the 3rd motor; Described telecontrol equipment comprises four the first synchronizing wheels, the second synchronizing wheel, the first Timing Belt, the second Timing Belt that are distributed in erecting frame corner, wherein to be connected with between the first Timing Belt, another two the first synchronizing wheels the second Timing Belt between two the first synchronizing wheels to connect, and the first Timing Belt and the second Timing Belt all with the second synchronizing wheel surface contact; The 3rd described motor is connected with wherein one group of first synchronizing wheel, and the second motor is connected with the first synchronizing wheel in another group; Described pick-up unit is the run duration being detected the second synchronizing wheel by optoelectronic switch.
9. theoretical mechanics answering device as claimed in claim 8, is characterized in that: described erecting frame is barricaded as by 2020 aluminium section bars, the second bearing seat and the 3rd bearing seat.
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| CN201410340997.5A CN104240564B (en) | 2014-07-17 | 2014-07-17 | Rational mechanics answering device |
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| CN201410340997.5A CN104240564B (en) | 2014-07-17 | 2014-07-17 | Rational mechanics answering device |
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| CN108648571A (en) * | 2018-07-11 | 2018-10-12 | 绍兴文理学院 | A kind of demonstrator of rational mechanics equilibrium of couples |
| CN117137487A (en) * | 2023-09-08 | 2023-12-01 | 黑龙江中医药大学 | Auxiliary diagnosis device for depression |
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| CN108648571B (en) * | 2018-07-11 | 2019-09-24 | 绍兴文理学院 | A kind of demonstrator of rational mechanics equilibrium of couples |
| CN117137487A (en) * | 2023-09-08 | 2023-12-01 | 黑龙江中医药大学 | Auxiliary diagnosis device for depression |
| CN117137487B (en) * | 2023-09-08 | 2024-03-29 | 黑龙江中医药大学 | Auxiliary diagnosis device for depression |
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