CN212809557U - Mechanical composite transmission teaching instrument - Google Patents
Mechanical composite transmission teaching instrument Download PDFInfo
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- CN212809557U CN212809557U CN201921221029.7U CN201921221029U CN212809557U CN 212809557 U CN212809557 U CN 212809557U CN 201921221029 U CN201921221029 U CN 201921221029U CN 212809557 U CN212809557 U CN 212809557U
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Abstract
The utility model provides a mechanical compound transmission demonstrator, which comprises a fixed platform provided with a working table surface, wherein a positioning plate is vertically arranged on the working table surface; the driving motor is provided with a driving rotating shaft which is arranged in parallel to the working table surface in an extending mode, a first synchronizing wheel is arranged on the driving rotating shaft in a penetrating mode, and the driving motor drives the first synchronizing wheel to do self-rotation movement; the reciprocating demonstration part is arranged on the positioning plate; also comprises a lifting demonstration part; the mechanical composite transmission demonstrator has a compact mounting structure, various transmission structure combinations and corresponding mechanical structure transmission modes and transmission coordination modes for students.
Description
Technical Field
The utility model relates to a teaching technical field, concretely relates to mechanical compound transmission demonstrator.
Background
When studying the basic course of mechanical design, students consider that the characteristics of gear transmission, belt transmission and chain transmission are abstract and difficult to understand deeply, and the characteristics and advantages of various transmissions are difficult to distinguish clearly, especially the descriptions of the stationarity, elastic sliding and polygon effect of the transmissions are lack of corresponding visual things to express, and only abstract understanding is performed, so that the knowledge is not firm to master, and how to distinguish and apply the transmissions is not understood, and therefore the students cannot correctly grasp the basic course in practice and application. In order to further deepen understanding and understanding of students on three basic mechanical transmissions, namely belt transmission, chain transmission and gear transmission, teaching teachers can adopt a relatively intuitive method of demonstration teaching aid. But traditional mechanical transmission demonstration teaching aid is all comparatively crude, and the function is comparatively single. Some students can only conveniently know the mechanical working principle, basic structure and basic function of single transmission, the parameter characteristics of three basic mechanical transmissions cannot be transversely compared, and the students are only limited to visual observation, so that the students have difficulty in understanding abstract theoretical knowledge.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a mechanical compound drive demonstrator for overcoming prior art's not enough.
Mechanical compound transmission demonstrator includes:
the fixing table is provided with a working table surface, and a positioning plate is vertically arranged on the working table surface;
the driving motor is provided with a driving rotating shaft which is arranged in parallel to the working table surface in an extending mode, a first synchronizing wheel is arranged on the driving rotating shaft in a penetrating mode, and the driving motor drives the first synchronizing wheel to do self-rotation movement;
the reciprocating demonstration part is arranged on the positioning plate and comprises a first gear; the first gear is in linkage connection with the first synchronous wheel, the first gear is in meshed connection with a second gear, a first gear rotating shaft is arranged at the position of a first gear central shaft, and a positioning column is arranged on the periphery of the surface side of the second gear; the positioning device further comprises a swing rod, one end of the swing rod is movably connected to the first gear rotating shaft, and the other end of the swing rod is provided with a movable groove to be movably connected to the positioning column; the swing rod does reciprocating swing motion around the first gear rotating shaft along with the movement of the positioning column;
the lifting demonstration part comprises a relief gear arranged parallel to the working table surface, and a relief ring groove with a relief-shaped groove bottom is arranged on the surface side of the relief gear in the circumferential direction; a positioning sleeve is positioned above the undulating gear, a movable rod penetrates through the positioning sleeve, a lifting demonstration model is arranged at the upper end of the movable rod, and the lower end of the movable rod is in contact with the bottom of the undulating ring groove; the heave gear is connected with the first gear in a linkage mode, and the lifting demonstration model rotates along with the heave gear to do lifting motion relative to the positioning sleeve.
Furthermore, a coupling demonstration part is also arranged, and the coupling demonstration part comprises a first coupling demonstration rotating shaft connected with the free end of the driving rotating shaft, a second coupling demonstration rotating shaft and a third coupling demonstration rotating shaft; the tail end of the first coupling demonstration rotating shaft is meshed with the head end of the second coupling demonstration rotating shaft through a first straight sector gear set, and the tail end of the second coupling demonstration rotating shaft is meshed with the head end of the third coupling demonstration rotating shaft through a second straight sector gear set; the second coupling demonstration rotating shaft is vertically arranged relative to the first coupling demonstration rotating shaft, and the third coupling demonstration rotating shaft is arranged in parallel relative to the first coupling demonstration rotating shaft; the first coupling demonstration rotating shaft, the second coupling demonstration rotating shaft and the third coupling demonstration rotating shaft are Contraband-shaped and are arranged in parallel relative to the working table top; the positioning plate and the second coupling demonstration rotating shaft are arranged in parallel and are arranged between the first coupling demonstration rotating shaft and the third coupling demonstration rotating shaft; a fourth coupling demonstration rotating shaft is rotatably connected to one side of the back of the positioning plate, and the fourth coupling demonstration rotating shaft is meshed with the tail end of the third coupling demonstration rotating shaft through a linkage gear set; the first coupling demonstration rotating shaft and/or the second coupling demonstration rotating shaft and/or the third coupling demonstration rotating shaft are formed by connecting a plurality of couplings of different types in series.
Further, a torque overload protector is connected between the driving rotating shaft and the first synchronous wheel, so that the driving rotating shaft is prevented from being locked due to transmission faults, and the driving motor is prevented from being damaged.
Furthermore, the reciprocating demonstration part also comprises a second synchronizing wheel and a third synchronizing wheel which are arranged on one side of the positioning plate in parallel to the positioning plate, the second synchronizing wheel comprises a second synchronous front tooth layer and a second synchronous rear tooth layer, and the first synchronizing wheel is in transmission connection with the second synchronous front tooth layer through a first synchronizing belt; the third synchronous wheel is arranged at the lower part of the central position of the positioning plate, and the second synchronous rear tooth layer is in transmission connection with the third synchronous wheel through a second synchronous belt; the first gear is arranged on the other side of the positioning plate and is in coaxial transmission connection with the third synchronizing wheel; the second gear is arranged on the upper side of the first gear.
The upper end of the swing rod is movably connected to the middle of the first rack through a rotating shaft, a third gear is arranged on the upper side of the second gear, the first rack is meshed with the third gear, the first rack does reciprocating displacement motion in the left-right direction along with the swing rod, and the third gear does forward rotation or reverse rotation along with the reciprocating displacement motion of the first rack.
Furthermore, a fourth gear, a fifth gear, a sixth gear, a seventh gear and a fourth synchronizing wheel are arranged on one side of the positioning plate; the fifth gear is provided with a fifth gear front tooth layer and a fifth gear rear tooth layer, the sixth gear is provided with a sixth gear front tooth layer and a sixth gear rear tooth layer, the seventh gear is provided with a seventh gear front tooth layer and a seventh gear rear tooth layer, the fourth gear is coaxially connected with the third gear in a transmission manner, the fourth gear is meshed with the fifth gear front tooth layer, the fifth gear rear tooth layer is meshed with the sixth gear rear tooth layer, the sixth gear front tooth layer is meshed with the seventh gear front tooth layer, and the seventh gear rear tooth layer is meshed with the fourth synchronizing wheel; the fourth synchronizing wheel and the second synchronizing wheel are coaxially arranged, a fourth synchronizing wheel shaft extends towards one side of the second synchronizing wheel at the position of the central axis of the fourth synchronizing wheel, and the second synchronizing wheel is mounted on the fourth synchronizing wheel shaft in a bearing supporting mode; a first screw rod is arranged at the position of the central axis of the fourth synchronizing wheel in an extending mode and penetrates to the other side of the positioning plate, the tail end of the first screw rod is coaxially connected with a second screw rod through a screw rod coupler, and the tail end of the second screw rod is movably connected with a positioning part erected on the working table top; a positioning guide rod is connected between the positioning part and the positioning plate at the lower sides of the first screw rod and the second screw rod; the screw thread opposite direction of first lead screw with the second lead screw, the spiro union has first demonstration image on the first lead screw, the spiro union has second demonstration image on the second lead screw, first demonstration image reaches second demonstration image lower extreme with positioning guide arm swing joint, first demonstration image reaches second demonstration image is in under the linkage of first lead screw and second lead screw along reciprocating seesaw is made to positioning guide arm's direction.
Further, the fixed station is including installing the inner chamber, table surface set up in installation inner chamber upside, table surface middle part position is provided with and can observe the transparent window of installation inner chamber internal environment, lift demonstration portion set up in transparent window position.
Furthermore, an eighth gear and a ninth gear are arranged on the left side of the first gear, and a tenth gear and an eleventh gear are symmetrically arranged on the right side of the first gear; the eighth gear is provided with an eighth gear front tooth layer and an eighth gear rear tooth layer, the eighth gear front tooth layer is meshed with the first gear, and the eighth gear rear tooth layer is meshed with the ninth gear; the tenth gear is provided with a tenth gear front tooth layer and a tenth gear rear tooth layer, the tenth gear front tooth layer is meshed with the first gear, and the tenth gear rear tooth layer is meshed with the eleventh gear; a ninth gear shaft is arranged at the central shaft position of the ninth gear in an extending manner, a first chain wheel is arranged on the ninth gear shaft in a penetrating manner, an eleventh gear shaft is arranged at the central shaft position of the eleventh gear in an extending manner, a second chain wheel is arranged on the eleventh gear shaft in a penetrating manner, and the first chain wheel is in transmission connection with the second chain wheel through a transmission chain; the lifting demonstration part comprises a twelve gear, a thirteen gear and the undulation gear which are arranged in the installation inner cavity; the twelve gear is vertically arranged relative to the eleven gear, the twelve gear is arranged below the eleven gear shaft, a twelve gear shaft extends from the central shaft of the twelve gear, and the twelve gear shaft is meshed with the eleven gear shaft through a third straight sector gear set; the twelve gears are meshed with the thirteen gears, and the thirteen gears are in coaxial transmission connection with the undulation gear; the positioning sleeve is circumferentially positioned and arranged on the transparent window corresponding to the position of the undulating ring groove.
The rotary demonstration device further comprises a rotary demonstration part, wherein the rotary demonstration part comprises a rotary gear arranged in parallel to the working table surface, and the rotary gear is meshed with the undulating gear; a rotary support is erected on the working table top, a first internal gear is connected to a rotary shaft of the rotary support, seventeen gears are meshed and connected to the inner side of the first internal gear, rotary connecting rods are uniformly and circumferentially arranged on the outer peripheral side of the first internal gear in an extending mode, and a bucket is connected to each rotary connecting rod through the rotary shaft; the rotary gear is in linkage connection with the seventeen gears, and the bucket rotates around the central shaft of the first internal gear along with the rotation of the rotary gear.
Further, the gyration demonstration portion further comprises a fourteen gear, a fifteen gear and a sixteen gear, wherein the gyration gear is meshed with the fourteen gear, one side of the fourteen gear is meshed with the fifteen gear, and the other side of the fourteen gear is meshed with the sixteen gear; a first rotary turntable is connected above the fifteen gears in a shaft transmission manner, a first rotary demonstration model is arranged on the first rotary turntable, a second rotary turntable is connected above the sixteen gears in a shaft transmission manner, and a second rotary demonstration model is arranged on the second rotary turntable; a seventeen gear shaft is arranged at the central shaft position of the seventeen gear in an extending mode, and the movable end of the seventeen gear shaft is connected with a first universal coupling; a first rotary supporting part for supporting the seventeen gear shafts is arranged on the upper side of the working table; a rotary gear shaft extends from the central shaft of the rotary gear, a rotary connecting shaft is arranged beside the rotary gear shaft, the rotary gear further comprises a second rotary supporting part for supporting the rotary connecting shaft, the rotary connecting shaft and the rotary gear shaft are perpendicular to each other, and the rotary gear shaft and the rotary connecting shaft are meshed and connected through a fourth straight sector gear set; the movable end of the rotary connecting shaft is connected with a second universal coupling, and the first universal coupling is connected with the second universal coupling.
The beneficial effects of the utility model reside in that:
the mechanical composite transmission demonstrator has a compact mounting structure, various transmission structure combinations and corresponding mechanical structure transmission modes and transmission coordination modes for students.
Drawings
Fig. 1 is a first combined schematic diagram of the mechanical compound transmission teaching instrument of the present invention;
fig. 2 is a second combined schematic diagram of the mechanical compound transmission teaching instrument of the present invention;
fig. 3 is a schematic structural view of a reciprocating demonstration part of the mechanical compound transmission demonstrator of the present invention;
fig. 4 is a combination schematic diagram of a lifting demonstration part of the mechanical compound transmission demonstrator of the utility model;
fig. 5 is a combination schematic diagram of a rotation demonstration part of the mechanical compound transmission demonstrator of the present invention;
description of reference numerals:
the device comprises a fixed table 1, an installation inner cavity 11, a working table surface 12, a transparent window 13, a positioning plate 14, a driving device 2, a driving rotating shaft 21, a first coupling demonstration rotating shaft 31, a first straight gear set 311, a second coupling demonstration rotating shaft 32, a second straight gear set 321, a third coupling demonstration rotating shaft 33, a linkage gear set 331, a fourth coupling demonstration rotating shaft 34, a coupling supporting part 35, a first synchronizing wheel 401, a second synchronizing wheel 402, a third synchronizing wheel 403, a first gear 404, a second gear 405, a positioning column 406, a swinging rod 407, a movable groove 408, a first rack 409, a third gear 410, a fourth gear 411, a fifth gear 412, a sixth gear 413, a seventh gear 414, a fourth synchronizing wheel 415, a first screw rod 416, a screw rod coupler 417, a second screw rod 418, a positioning part 419, a positioning guide rod 420, a first demonstration doll 421, a second demonstration doll 422, an eighth gear 423, a ninth gear 424, A tenth gear 425, an eleventh gear 426, a transmission chain 427, a lifting demonstration part 5, a twelfth gear 51, a twelve gear shaft 511, a thirteen gear 52, a relief gear 53, a third straight sector gear set 54, a relief ring groove 55, a positioning sleeve 56, a movable rod 57, a lifting demonstration model 58, a rotation demonstration part 6, a rotation gear 601, a fourteen gear 602, a fifteen gear 603, a sixteen gear 604, a first rotation turntable 605, a first rotation demonstration model 606, a second rotation turntable 607, a second rotation demonstration model 608, a rotation support 609, a first internal gear 610, a seventeen gear 611, a rotation link 612, a bucket 613, a seventeen gear shaft 614, a first universal coupling 615, a first rotation support 616, a rotation gear shaft 617, a rotation connection shaft 618, a second rotation support 619, a fourth straight sector gear set 620 and a second universal coupling.
Detailed Description
In order to make the technical solution, objects and advantages of the present invention more clearly understood, the present invention is further explained with reference to the accompanying drawings and embodiments.
As shown in fig. 1-5, the utility model discloses a mechanical compound transmission demonstrator, fixed station 1 including fixed setting, fixed station 1 including installation inner chamber 11 and set up in table surface 12 of the 11 upside in installation inner chamber, table surface 12 middle part position is provided with and observes the transparent window 13 of the 11 internal environment of installation inner chamber, table surface 12 is last in the vertical locating plate 14 that is provided with of transparent window 13 side.
Comprises a driving device 2 and a coupling demonstration part connected with the driving device 2; the driving device 2 comprises a driving motor arranged in the installation inner cavity 11, the driving motor is connected with a speed reducer in a matching way through belt transmission, and the speed reducer is provided with a driving rotating shaft 21 which is arranged in parallel with the working table 12 in an extending way on the upper side of the working table 12; the coupling demonstration part comprises a first coupling demonstration rotating shaft 31 connected with the free end of the driving rotating shaft 21, a second coupling demonstration rotating shaft 32 and a third coupling demonstration rotating shaft 33; the tail end of the first coupling demonstration rotating shaft 31 is meshed with the head end of the second coupling demonstration rotating shaft 32 through a first straight sector gear set 311, and the tail end of the second coupling demonstration rotating shaft 32 is meshed with the head end of the third coupling demonstration rotating shaft 33 through a second straight sector gear set 321; the second coupling demonstration rotating shaft 32 is vertically arranged relative to the first coupling demonstration rotating shaft 31, and the third coupling demonstration rotating shaft 33 is parallel arranged relative to the first coupling demonstration rotating shaft 31; the first coupling demonstration rotating shaft 31, the second coupling demonstration rotating shaft 32 and the third coupling demonstration rotating shaft 33 are arranged in a shape of v 21274and are arranged in parallel relative to the working table surface 12; the positioning plate 14 is arranged between the first coupling demonstration rotating shaft 31 and the third coupling demonstration rotating shaft 33 and is parallel to the second coupling demonstration rotating shaft 32, and the transparent window 13 is arranged between the positioning plate 14 and the second coupling demonstration rotating shaft 32; one side of the positioning plate 14, which faces away from the transparent window 13, is rotatably connected with a fourth coupling demonstration rotating shaft 34, and the fourth coupling demonstration rotating shaft 34 is meshed with the end of the third coupling demonstration rotating shaft 33 through a linkage gear set 331.
The first coupling demonstration rotating shaft 31, the second coupling demonstration rotating shaft 32, the third coupling demonstration rotating shaft 33 and the fourth coupling demonstration rotating shaft 34 are all formed by connecting a plurality of couplings of different types in series; the upper side of the working table 12 is provided with a plurality of coupling supporting parts 35 for supporting the coupling demonstration rotating shafts.
A first synchronizing wheel 401 is connected to one side of the driving rotating shaft 21 close to the positioning plate 14 in a penetrating manner, and the driving device 2 drives the driving rotating shaft 21 to link the first synchronizing wheel 401 to perform self-rotation movement; a torque overload protector is connected between the driving rotating shaft 21 and the first synchronous wheel 401.
A reciprocating demonstration part is arranged on the positioning plate 14, the reciprocating demonstration part comprises a second synchronizing wheel 402 and a third synchronizing wheel 403 which are arranged on one side of the positioning plate 14, which is opposite to the transparent window 13, and the second synchronizing wheel 402 and the third synchronizing wheel 403 are arranged in parallel with the positioning plate 14; the second synchronous wheel 402 comprises a second synchronous front tooth layer and a second synchronous rear tooth layer, and the first synchronous wheel 401 is in transmission connection with the second synchronous front tooth layer through a first synchronous belt; the third synchronizing wheel 403 is arranged at the lower part of the central position of the positioning plate 14, and the second synchronized rear tooth layer is in transmission connection with the third synchronizing wheel 403 through a second synchronous belt; a first gear 404 is arranged on one side of the positioning plate 14 facing the transparent window 13, and the first gear 404 is in coaxial transmission connection with the third synchronizing wheel 403; a second gear 405 is engaged and connected to the vertical upper side of the first gear 404, a rotating shaft of the first gear 404 is arranged at the central axis of the first gear 404, and a positioning column 406 is arranged at the periphery of the surface side of the second gear 405; the device also comprises a swing rod 407, one end of the swing rod 407 is movably connected to the rotating shaft of the first gear 404, and the other end of the swing rod 407 is provided with a movable groove 408 to be movably connected to the positioning column 406; the swing rod 407 swings left and right around the rotation shaft of the first gear 404 in a reciprocating manner with the movement of the positioning post 406.
The swing rod type motor vehicle is characterized by further comprising a first rack 409, the upper end of the swing rod 407 is movably connected to the middle of the first rack 409 through a rotating shaft, a third gear 410 is arranged on the upper side of the second gear 405, the first rack 409 is meshed with the third gear 410, the first rack 409 moves in a left-right reciprocating displacement mode along with the swing rod 407, and the third gear 410 rotates in a forward direction or in a reverse direction along with the reciprocating displacement of the first rack 409.
A fourth gear 411, a fifth gear 412, a sixth gear 413, a seventh gear 414 and a fourth synchronizing wheel 415 are arranged on one side of the positioning plate 14, which faces away from the transparent window 13; the fifth gear 412 is provided with a fifth gear 412 front tooth layer and a fifth gear 412 rear tooth layer, the sixth gear 413 is provided with a sixth gear 413 front tooth layer and a sixth gear 413 rear tooth layer, the seventh gear 414 is provided with a seventh gear 414 front tooth layer and a seventh gear 414 rear tooth layer, the fourth gear 411 and the third gear 410 are coaxially connected in a transmission manner, the fourth gear 411 is meshed with the fifth gear 412 front tooth layer, the fifth gear 412 rear tooth layer is meshed with the sixth gear 413 rear tooth layer, the sixth gear 413 front tooth layer is meshed with the seventh gear 414 front tooth layer, and the seventh gear 414 rear tooth layer is meshed with the fourth synchronizing wheel 415.
The fourth synchronizing wheel 415 is arranged coaxially with the second synchronizing wheel 402, a fourth synchronizing wheel 415 shaft is arranged on the fourth synchronizing wheel 415 in a manner of extending towards one side of the second synchronizing wheel 402 at the central shaft position, and the second synchronizing wheel 402 is mounted on the fourth synchronizing wheel 415 shaft in a bearing receiving manner; a first screw rod 416 is arranged at the central axis of the fourth synchronizing wheel 415 in an extending manner to penetrate through the positioning plate 14 towards one side of the transparent window 13, the tail end of the first screw rod 416 is coaxially connected with a second screw rod 418 through a screw rod coupling 417, and the tail end of the second screw rod 418 is movably connected with a positioning part 419 erected on the working table 12; a positioning guide rod 420 is connected between the positioning portion 419 and the positioning plate 14 at the lower side of the first screw rod 416 and the second screw rod 418; the thread directions of the first screw rod 416 and the second screw rod 418 are opposite, a first demonstration doll 421 is screwed on the first screw rod 416, a second demonstration doll 422 is screwed on the second screw rod 418, and the lower ends of the first demonstration doll 421 and the second demonstration doll 422 are movably connected with the positioning guide rod 420. The first demonstration doll 421 and the second demonstration doll 422 reciprocate back and forth along the guiding direction of the positioning guide rod 420 under the linkage of the first screw rod 416 and the second screw rod 418.
An eighth gear 423 and a ninth gear 424 are arranged on the left side of the first gear 404, and a tenth gear 425 and an eleventh gear 426 are symmetrically arranged on the right side; the eighth gear 423 is provided with an eighth gear 423 front tooth layer and an eighth gear 423 rear tooth layer, the eighth gear 423 front tooth layer is meshed with the first gear 404, and the eighth gear 423 rear tooth layer is meshed with the ninth gear 424; the tenth gear 425 is provided with a front tooth layer of the tenth gear 425 and a rear tooth layer of the tenth gear 425, the front tooth layer of the tenth gear 425 is meshed with the first gear 404, and the rear tooth layer of the tenth gear 425 is meshed with the eleventh gear 426; a ninth gear 424 shaft extends from a central axis of the ninth gear 424, a first sprocket is disposed on the ninth gear 424 shaft in a penetrating manner, an eleventh gear 426 shaft extends from a central axis of the eleventh gear 426 shaft, a second sprocket is disposed on the eleventh gear 426 shaft in a penetrating manner, and the first sprocket and the second sprocket are in transmission connection through a transmission chain 427.
A lifting demonstration part 5 is arranged at the position of the transparent window 13, and the lifting demonstration part 5 comprises a twelve gear 51, a thirteen gear 52 and a relief gear 53 which are arranged in the installation inner cavity 11 and are parallel to the working table surface 12; the twelve gear 51 is vertically arranged relative to the eleventh gear 426, the twelve gear 51 is arranged below the shaft of the eleventh gear 426, a twelve gear shaft 511 extends from the central shaft of the twelve gear 51, and the twelve gear shaft 511 is in meshed connection with the shaft of the eleventh gear 426 through a third straight sector gear set 54; the twelve gear 51 is meshed with the thirteen gear 52, the thirteen gear 52 is coaxially connected with the undulating gear 53 in a transmission way, and undulating ring grooves 55 with undulating groove bottoms are arranged on the surface side of the undulating gear 53 in the circumferential direction; a plurality of positioning sleeves 56 are circumferentially positioned and arranged on the upper side of the transparent window 13 corresponding to the undulating ring groove 55, a movable rod 57 penetrates through the positioning sleeves 56, a lifting demonstration model 58 is arranged at the upper end of the movable rod 57, and the lower end of the movable rod 57 is in contact with the groove bottom of the undulating ring groove 55 through the transparent window 13; the lifting demonstration model 58 moves up and down relative to the positioning sleeve 56 along with the rotation of the heave gear 53.
The demonstration device further comprises a rotation demonstration part 6, wherein the rotation demonstration part 6 comprises a rotation gear 601, a fourteen gear 602, a fifteen gear 603 and a sixteen gear 604, the heave gear 53 is meshed with the rotation gear 601, the rotation gear 601 is meshed with the fourteen gear 602, one side of the fourteen gear 602 is meshed with the fifteen gear 603, and the other side of the fourteen gear 602 is meshed with the sixteen gear 604; a first rotary turntable 605 arranged on the upper side of the transparent window 13 is connected above the fifteen gears 603 in a shaft transmission manner, a first rotary demonstration model 606 is arranged on the first rotary turntable 605, a second rotary turntable 607 arranged on the upper side of the transparent window 13 is connected above the sixteen gears 604 in a shaft transmission manner, and a second rotary demonstration model 608 is arranged on the second rotary turntable 607.
The rotating part comprises a rotating support 609 beside the second coupling demonstration rotating shaft 32, a first internal gear 610 is connected to the rotating support 609 in an upper rotating shaft, and a seventeen gear 611 is connected to the inner side of the first internal gear 610 in a meshing manner; the first inner gear 610 is circumferentially and uniformly provided with rotary connecting rods 612 in an extending manner on the outer peripheral side, each rotary connecting rod 612 is connected with a bucket 613 through a rotating shaft, and a third rotary demonstration model is placed on the bucket 613.
A seventeen gear shaft 614 is arranged at the central shaft position of the seventeen gear 611 in an extending mode, and a first universal coupler 615 is connected to the movable end of the seventeen gear shaft 614; a first rotary supporting part 616 for supporting the seventeen gear shaft 614 is arranged on the upper side of the working table 12; a rotary gear shaft 617 extends from a central axis of the rotary gear 601, the rotary gear shaft 617 extends from an upper side of the transparent window 13, a rotary connecting shaft 618 is disposed beside the rotary gear shaft 617, a second rotary supporting portion 619 for supporting the rotary connecting shaft 618 is disposed on the upper side of the transparent window 13, the rotary connecting shaft 618 and the rotary gear shaft 617 are perpendicular to each other, and the rotary gear shaft 617 and the rotary connecting shaft 618 are engaged with each other by a fourth straight sector gear set 620; the movable end of the rotation connecting shaft 618 is connected with a second universal coupling 621, and the first universal coupling 615 is connected with the second universal coupling 621.
The above is only the preferred embodiment of the present invention, and to the technical personnel in the technical field, without departing from the present invention, the embodiment can still be modified, and the corresponding modification should also be regarded as the protection scope of the present invention.
Claims (10)
1. Mechanical compound transmission demonstrator which characterized in that includes:
the fixing table is provided with a working table surface, and a positioning plate is vertically arranged on the working table surface;
the driving motor is provided with a driving rotating shaft which is arranged in parallel to the working table surface in an extending mode, a first synchronizing wheel is arranged on the driving rotating shaft in a penetrating mode, and the driving motor drives the first synchronizing wheel to do self-rotation movement;
the reciprocating demonstration part is arranged on the positioning plate and comprises a first gear; the first gear is in linkage connection with the first synchronous wheel, the first gear is in meshed connection with a second gear, a first gear rotating shaft is arranged at the position of a first gear central shaft, and a positioning column is arranged on the periphery of the surface side of the second gear; the positioning device further comprises a swing rod, one end of the swing rod is movably connected to the first gear rotating shaft, and the other end of the swing rod is provided with a movable groove to be movably connected to the positioning column; the swing rod does reciprocating swing motion around the first gear rotating shaft along with the movement of the positioning column;
the lifting demonstration part comprises a relief gear arranged parallel to the working table surface, and a relief ring groove with a relief-shaped groove bottom is arranged on the surface side of the relief gear in the circumferential direction; a positioning sleeve is positioned above the undulating gear, a movable rod penetrates through the positioning sleeve, a lifting demonstration model is arranged at the upper end of the movable rod, and the lower end of the movable rod is in contact with the bottom of the undulating ring groove; the heave gear is connected with the first gear in a linkage mode, and the lifting demonstration model rotates along with the heave gear to do lifting motion relative to the positioning sleeve.
2. The mechanical compound transmission demonstrator of claim 1, further comprising a coupling demonstration section, wherein the coupling demonstration section comprises a first coupling demonstration rotating shaft connected with the free end of the driving rotating shaft, and further comprises a second coupling demonstration rotating shaft and a third coupling demonstration rotating shaft; the tail end of the first coupling demonstration rotating shaft is meshed with the head end of the second coupling demonstration rotating shaft through a first straight sector gear set, and the tail end of the second coupling demonstration rotating shaft is meshed with the head end of the third coupling demonstration rotating shaft through a second straight sector gear set; the second coupling demonstration rotating shaft is vertically arranged relative to the first coupling demonstration rotating shaft, and the third coupling demonstration rotating shaft is arranged in parallel relative to the first coupling demonstration rotating shaft; the first coupling demonstration rotating shaft, the second coupling demonstration rotating shaft and the third coupling demonstration rotating shaft are Contraband-shaped and are arranged in parallel relative to the working table top; the positioning plate and the second coupling demonstration rotating shaft are arranged in parallel and are arranged between the first coupling demonstration rotating shaft and the third coupling demonstration rotating shaft; a fourth coupling demonstration rotating shaft is rotatably connected to one side of the back of the positioning plate, and the fourth coupling demonstration rotating shaft is meshed with the tail end of the third coupling demonstration rotating shaft through a linkage gear set; the first coupling demonstration rotating shaft and/or the second coupling demonstration rotating shaft and/or the third coupling demonstration rotating shaft are formed by connecting a plurality of couplings of different types in series.
3. The mechanical compound transmission teaching demonstration instrument according to claim 1, wherein a torque overload protector is connected between the driving rotation shaft and the first synchronizing wheel.
4. The mechanical compound transmission demonstrator of claim 1, wherein said reciprocating demonstration part further comprises a second synchronous wheel and a third synchronous wheel arranged parallel to said positioning plate on one side of said positioning plate, said second synchronous wheel comprising a second synchronous front tooth layer and a second synchronous rear tooth layer, said first synchronous wheel being in transmission connection with said second synchronous front tooth layer via a first synchronous belt; the third synchronous wheel is arranged at the lower part of the central position of the positioning plate, and the second synchronous rear tooth layer is in transmission connection with the third synchronous wheel through a second synchronous belt; the first gear is arranged on the other side of the positioning plate and is in coaxial transmission connection with the third synchronizing wheel; the second gear is arranged on the upper side of the first gear.
5. The mechanical compound transmission teaching demonstration instrument according to claim 4, further comprising a first rack, wherein the upper end of the rocking bar is movably connected to the middle of the first rack through a rotating shaft, a third gear is arranged on the upper side of the second gear, the first rack is meshed with the third gear, the first rack performs reciprocating displacement motion in the left-right direction along with the rocking bar, and the third gear performs forward rotation or reverse rotation along with the reciprocating displacement motion of the first rack.
6. The mechanical compound transmission demonstrator of claim 5, wherein a fourth gear, a fifth gear, a sixth gear, a seventh gear and a fourth synchronizing wheel are arranged on one side of the positioning plate; the fifth gear is provided with a fifth gear front tooth layer and a fifth gear rear tooth layer, the sixth gear is provided with a sixth gear front tooth layer and a sixth gear rear tooth layer, the seventh gear is provided with a seventh gear front tooth layer and a seventh gear rear tooth layer, the fourth gear is coaxially connected with the third gear in a transmission manner, the fourth gear is meshed with the fifth gear front tooth layer, the fifth gear rear tooth layer is meshed with the sixth gear rear tooth layer, the sixth gear front tooth layer is meshed with the seventh gear front tooth layer, and the seventh gear rear tooth layer is meshed with the fourth synchronizing wheel; the fourth synchronizing wheel and the second synchronizing wheel are coaxially arranged, a fourth synchronizing wheel shaft extends towards one side of the second synchronizing wheel at the position of the central axis of the fourth synchronizing wheel, and the second synchronizing wheel is mounted on the fourth synchronizing wheel shaft in a bearing supporting mode; a first screw rod is arranged at the position of the central axis of the fourth synchronizing wheel in an extending mode and penetrates to the other side of the positioning plate, the tail end of the first screw rod is coaxially connected with a second screw rod through a screw rod coupler, and the tail end of the second screw rod is movably connected with a positioning part erected on the working table top; a positioning guide rod is connected between the positioning part and the positioning plate at the lower sides of the first screw rod and the second screw rod; the screw thread opposite direction of first lead screw with the second lead screw, the spiro union has first demonstration image on the first lead screw, the spiro union has second demonstration image on the second lead screw, first demonstration image reaches second demonstration image lower extreme with positioning guide arm swing joint, first demonstration image reaches second demonstration image is in under the linkage of first lead screw and second lead screw along reciprocating seesaw is made to positioning guide arm's direction.
7. The mechanical compound transmission teaching demonstration instrument according to claim 1, wherein the fixed table comprises an installation inner cavity, the working table is arranged on the upper side of the installation inner cavity, a transparent window for observing the internal environment of the installation inner cavity is arranged in the middle of the working table, and the lifting demonstration part is arranged on the transparent window.
8. The mechanical compound transmission teaching demonstration instrument according to claim 7, wherein an eighth gear and a ninth gear are provided on the left side of the first gear, and a tenth gear and an eleventh gear are symmetrically provided on the right side; the eighth gear is provided with an eighth gear front tooth layer and an eighth gear rear tooth layer, the eighth gear front tooth layer is meshed with the first gear, and the eighth gear rear tooth layer is meshed with the ninth gear; the tenth gear is provided with a tenth gear front tooth layer and a tenth gear rear tooth layer, the tenth gear front tooth layer is meshed with the first gear, and the tenth gear rear tooth layer is meshed with the eleventh gear; a ninth gear shaft is arranged at the central shaft position of the ninth gear in an extending manner, a first chain wheel is arranged on the ninth gear shaft in a penetrating manner, an eleventh gear shaft is arranged at the central shaft position of the eleventh gear in an extending manner, a second chain wheel is arranged on the eleventh gear shaft in a penetrating manner, and the first chain wheel is in transmission connection with the second chain wheel through a transmission chain; the lifting demonstration part comprises a twelve gear, a thirteen gear and the undulation gear which are arranged in the installation inner cavity; the twelve gear is vertically arranged relative to the eleven gear, the twelve gear is arranged below the eleven gear shaft, a twelve gear shaft extends from the central shaft of the twelve gear, and the twelve gear shaft is meshed with the eleven gear shaft through a third straight sector gear set; the twelve gears are meshed with the thirteen gears, and the thirteen gears are in coaxial transmission connection with the undulation gear; the positioning sleeve is circumferentially positioned and arranged on the transparent window corresponding to the position of the undulating ring groove.
9. The mechanical compound transmission teaching demonstration instrument according to claim 1, further comprising a rotation demonstration section including a rotation gear disposed parallel to the table surface, the rotation gear being in meshing connection with the heave gear; a rotary support is erected on the working table top, a first internal gear is connected to a rotary shaft of the rotary support, seventeen gears are meshed and connected to the inner side of the first internal gear, rotary connecting rods are uniformly and circumferentially arranged on the outer peripheral side of the first internal gear in an extending mode, and a bucket is connected to each rotary connecting rod through the rotary shaft; the rotary gear is in linkage connection with the seventeen gears, and the bucket rotates around the central shaft of the first internal gear along with the rotation of the rotary gear.
10. The mechanical compound transmission demonstrator of claim 9, wherein said rotation demonstration section further comprises a fourteen gear, a fifteen gear and a sixteen gear, said rotation gear is engaged with said fourteen gear, one side of said fourteen gear is engaged with said fifteen gear, and the other side of said fourteen gear is engaged with said sixteen gear; a first rotary turntable is connected above the fifteen gears in a shaft transmission manner, a first rotary demonstration model is arranged on the first rotary turntable, a second rotary turntable is connected above the sixteen gears in a shaft transmission manner, and a second rotary demonstration model is arranged on the second rotary turntable; a seventeen gear shaft is arranged at the central shaft position of the seventeen gear in an extending mode, and the movable end of the seventeen gear shaft is connected with a first universal coupling; a first rotary supporting part for supporting the seventeen gear shafts is arranged on the upper side of the working table; a rotary gear shaft extends from the central shaft of the rotary gear, a rotary connecting shaft is arranged beside the rotary gear shaft, the rotary gear further comprises a second rotary supporting part for supporting the rotary connecting shaft, the rotary connecting shaft and the rotary gear shaft are perpendicular to each other, and the rotary gear shaft and the rotary connecting shaft are meshed and connected through a fourth straight sector gear set; the movable end of the rotary connecting shaft is connected with a second universal coupling, and the first universal coupling is connected with the second universal coupling.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921221029.7U CN212809557U (en) | 2019-07-31 | 2019-07-31 | Mechanical composite transmission teaching instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921221029.7U CN212809557U (en) | 2019-07-31 | 2019-07-31 | Mechanical composite transmission teaching instrument |
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| CN212809557U true CN212809557U (en) | 2021-03-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110322771A (en) * | 2019-07-31 | 2019-10-11 | 佛山市奥迪斯传动科技有限公司 | Mechanical Composite Transmission Teaching instrument |
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2019
- 2019-07-31 CN CN201921221029.7U patent/CN212809557U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110322771A (en) * | 2019-07-31 | 2019-10-11 | 佛山市奥迪斯传动科技有限公司 | Mechanical Composite Transmission Teaching instrument |
| CN110322771B (en) * | 2019-07-31 | 2024-05-14 | 佛山市奥迪斯传动科技有限公司 | Mechanical composite transmission demonstrator |
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