CN114299796A - Mechanical transmission stepless speed change science popularization interaction exhibition teaching equipment - Google Patents
Mechanical transmission stepless speed change science popularization interaction exhibition teaching equipment Download PDFInfo
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- CN114299796A CN114299796A CN202210184446.9A CN202210184446A CN114299796A CN 114299796 A CN114299796 A CN 114299796A CN 202210184446 A CN202210184446 A CN 202210184446A CN 114299796 A CN114299796 A CN 114299796A
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- 230000009347 mechanical transmission Effects 0.000 title claims abstract description 24
- 230000003993 interaction Effects 0.000 title claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 95
- 238000000034 method Methods 0.000 claims abstract description 7
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- 238000003780 insertion Methods 0.000 claims description 38
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- 230000008878 coupling Effects 0.000 claims description 21
- 238000010168 coupling process Methods 0.000 claims description 21
- 238000005859 coupling reaction Methods 0.000 claims description 21
- 238000007789 sealing Methods 0.000 claims description 12
- 230000002457 bidirectional effect Effects 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 7
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- 230000005540 biological transmission Effects 0.000 description 14
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- 230000003028 elevating effect Effects 0.000 description 6
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- 238000005516 engineering process Methods 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
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- 108010066057 cabin-1 Proteins 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
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Abstract
The invention discloses mechanical transmission stepless speed change science popularization interaction exhibition and education equipment which comprises a cabin body, a stepless speed change mechanism and an unfolding and containing mechanism, wherein the stepless speed change mechanism comprises a lifting platform, a rotating rod, a positioning and adjusting system, a cover plate, a connecting arm, a rotating disk, a fixing platform, a driving motor, a driving gear and a driven multistage gear, the stepless speed change mechanism and the unfolding and containing mechanism are arranged in the cabin body, and the power output end of the unfolding and containing mechanism is connected with the stepless speed change mechanism and used for lifting the stepless speed change mechanism in the cabin body. Compared with the prior art, the stepless speed change mechanism is matched with the unfolding and accommodating mechanism in structure, so that the stepless speed change popular science structure of the unfolding and accommodating mechanism is placed in the bin body for accommodating and protecting, and speed change demonstration can be directly carried out in the bin body according to requirements or the main structure of the stepless speed change mechanism is automatically unfolded out of the bin body by using the unfolding and accommodating mechanism, so that the whole process of stepless speed change operation can be observed more visually.
Description
Technical Field
The invention relates to the technical field of mechanical transmission, in particular to mechanical transmission stepless speed change science popularization interactive exhibition and education equipment.
Background
The stepless speed change technology is a transmission technology capable of continuously changing the transmission ratio of an input shaft and an output shaft or the rotating speed of the output shaft, and can be divided into mechanical, hydraulic, pneumatic and electric transmission according to the working principle.
During the stepless speed change science popularization teaching link, special simulation speed change equipment is often needed to be used for actual display tests, so that the science popularization of mechanical transmission stepless speed change is facilitated, the meshing distance of a mechanical transmission structure is often needed to be adjusted by the conventional stepless speed change equipment, so that speed change is performed by using transmission ratios in different states, however, when the meshing distance of the transmission structure is adjusted, the stability of structural meshing is difficult to ensure due to the displacement adjustment of the transmission structure, and the deviation and the shaking are easily generated in the mechanical meshing transmission process, so that the speed change system of the transmission structure cannot be normally changed, and the quality and the efficiency of the display and teaching science popularization are reduced; when the demonstration equipment for the stepless speed change is actually used, due to the complexity of a mechanical transmission structure, the equipment is required to protect the transmission structure through the shell, so that the transmission structure can only be displayed in the shell, the intuitiveness of an observer to the stepless speed change process is greatly reduced, the display effect of the stepless speed change is influenced, and the use flexibility of the equipment is reduced.
Disclosure of Invention
The purpose of the invention is as follows: aiming at the problems in the background art, the invention provides mechanical transmission stepless speed change science popularization interaction exhibition and education equipment, which is characterized in that the stepless speed change mechanism is matched with the unfolding and accommodating mechanism in structure, so that the stepless speed change science popularization structure of the unfolding and accommodating mechanism is arranged in a bin body for accommodating and protecting, and the speed change demonstration can be directly carried out in the bin body according to requirements or the main structure of the unfolding and accommodating mechanism is automatically unfolded out of the bin body by utilizing the stepless speed change mechanism, so that the whole process of stepless speed change operation can be observed more intuitively, and the science popularization and exhibition effect of mechanical transmission stepless speed change is greatly increased.
The technical scheme is as follows: the invention provides mechanical transmission stepless speed change science popularization interaction exhibition and education equipment which comprises a cabin body, a stepless speed change mechanism and an unfolding and containing mechanism, wherein the stepless speed change mechanism and the unfolding and containing mechanism are arranged in the cabin body, and the power output end of the unfolding and containing mechanism is connected with the stepless speed change mechanism and is used for lifting the stepless speed change mechanism in the cabin body;
the stepless speed change mechanism comprises a lifting table, a rotating rod, a cover plate, rotating discs, fixed tables, a driving motor, driving gears and driven multistage gears, wherein a pair of fixed tables are fixedly connected to two sides of the top of the lifting table, the rotating rods are sleeved on the inner sides of the pair of fixed tables, the rotating discs are fixedly connected to two ends of the outer side of the rotating rod, the driven multistage gears are fixedly connected to the middle position of the rotating rod, the driving gears are arranged at the output ends of the driving motor, the driven multistage gears are meshed with the driving gears, the driven multistage gears are formed by combining a plurality of groups of fluted discs with different lengths and radiuses, and two ends of the lifting table are fixedly connected with the cover plate; the cover plate is also provided with a positioning and adjusting assembly, and the positioning and adjusting assembly is used for adjusting the driving gear to be respectively meshed with a plurality of toothed discs in the driven multistage gear;
the unfolding and accommodating mechanism comprises a power output mechanism and a lifting platform lifting mechanism, the output end of the power output mechanism is connected with the lifting platform lifting mechanism, and the lifting platform lifting mechanism is arranged below the lifting platform and used for controlling the lifting platform to lift.
Furthermore, the lifting platform lifting mechanism comprises an internal thread pipe and a screw rod, the power output mechanism comprises a fluted disc, an external toothed ring, an internal toothed ring, a sliding block, an annular sliding groove, a gear and a servo motor, the screw rods are rotatably connected to two sides of the bottom end in the bin body, the external sides of a pair of screw rods are provided with the internal thread pipes which are mutually matched, and the upper end of the internal thread pipe is arranged on the lower surface of the lifting platform; the bottom in the screw rod outside is equipped with the fluted disc, the edge rigid coupling of the inboard bottom in storehouse has annular spout, the inboard symmetry of annular spout is equipped with the slider, and is two sets of one side rigid coupling that the slider is close to each other has interior ring gear, and interior ring gear and fluted disc intermeshing, the edge rigid coupling at interior ring gear top has outer ring gear, the bottom rigid coupling of the internal portion one side in storehouse has servo motor, servo motor's output is equipped with the gear, and gear and outer ring gear intermeshing.
Furthermore, a bearing is arranged in the middle of the top of the rubber sucker seat, the rotating shaft is connected with the bearing sleeve in a sleeved mode, the two groups of guide grooves are formed by combining guide sliding grooves and guide blocks, and the circular plate is fixedly connected with the guide blocks.
Furthermore, telescopic guide rods are arranged on two sides of the mounting groove and fixedly connected with the circular plate, a hinge seat is arranged in the middle of the top of the circular plate, and the hinge seat is hinged with the hinge plate.
Furthermore, the positioning adjusting assembly comprises a sealing cap, guide blocks, positioning insertion rods, an inclined guide groove, positioning insertion holes and a fixing column, the fixing column is connected to the driving motor, the sealing cap is sleeved on the top of the fixing column, the guide blocks are arranged on the top of the outer side of the fixing column, the inclined guide groove is formed in the middle of the cover plate, the positioning insertion rods are fixedly connected to two sides of the outer side of the sealing cap, and the positioning insertion holes are symmetrically formed in two sides of the top of the cover plate close to the inclined guide groove; when the guide block drives the fixed column to move in the inclined guide groove, the positioning insertion rods can be sequentially inserted into the positioning insertion holes which are symmetrically arranged and different positioning insertion holes, and the plurality of fluted discs in the driving gear and the driven multistage gear are respectively meshed.
Further, the both sides of guide block are equipped with the pulley, and pulley and oblique type guide slot slip adaptation, two sets of location inserted bar and location jack plug fit adaptation.
Furthermore, an inclined sliding groove matched with the inclined guide groove is formed in the middle of the top of the lifting platform, a connecting block in sliding fit is arranged on the inner side of the inclined sliding groove, and the connecting block is fixedly connected with the driving motor.
Furthermore, the lower end of the bin body is also provided with an angle steering mechanism, the angle steering mechanism comprises mounting grooves, circular plates, rotating shafts, rubber sucker seats, guide grooves, internal thread blocks, hinged plates and bidirectional screw rods, the mounting grooves are fixedly connected to the middle position of the bottom inside the bin body, one end inside the mounting grooves is sleeved with the bidirectional screw rods, the external sides of the bidirectional screw rods are symmetrically provided with the internal thread blocks which are mutually matched, the bottoms of the two groups of internal thread blocks are hinged with the hinged plates, the bottoms of the two groups of hinged plates are provided with the circular plates which are mutually hinged, the middle position of the bottom of the circular plates is fixedly connected with the rotating shafts, the bottoms of the rotating shafts are sleeved with the rubber sucker seats, the number of the guide grooves is two, and the two groups of guide grooves are fixedly connected with the bin body; a through hole is formed in the middle of one end of the front face of the bin body, and a rocker fixedly connected with the bidirectional screw rod is sleeved on the inner side of the through hole.
Further, the top of storehouse body both sides, with the carousel position department of corresponding be equipped with the observation window, the opening has been seted up at the top of the storehouse body, and opening and apron mutual adaptation, the intermediate position department of storehouse body bottom is equipped with the recess, angle steering mechanism is located the recess and settles, the both sides and the internal thread pipe top rigid coupling of elevating platform bottom, the both ends of elevating platform bottom are equipped with flexible pipe, and the both ends rigid coupling of flexible pipe and storehouse internal portion bottom.
Furthermore, steel balls are uniformly arranged on one side, away from each other, of each of the two groups of turnplates, hanging rings are arranged on two sides of the bottom of the cover plate, and the hanging rings correspond to the steel balls.
Has the advantages that:
1. the invention promotes the stepless speed change popular science structure of the unfolding and accommodating mechanism to be arranged in the bin body for accommodating and protecting through the structural cooperation of the stepless speed change mechanism and the unfolding and accommodating mechanism, and can directly perform variable speed demonstration in the bin body according to requirements or automatically unfold the main body structure of the unfolding and containing mechanism out of the bin body by utilizing a stepless speed change mechanism, thereby, the whole process of the stepless speed change operation can be observed more intuitively, the popularization and the display effect of the mechanical transmission stepless speed change are greatly increased, in addition, the lifting matching of the stepless speed change mechanism is convenient for automatically storing the whole structure of the unfolding and storing mechanism, the size of the exhibition teaching equipment can be reduced, the exhibition teaching equipment is convenient to carry, and simultaneously, the mechanical transmission structure is well protected in the bin body, so as to prevent the transmission structure from being damaged by collision and increase the protection performance and the use flexibility of the equipment.
2. The invention utilizes the structural cooperation of the positioning adjusting component, can adjust and mesh the meshing distance of the driving gear and the driven multi-stage gear according to the preset inserting and matching of the positioning insertion rod and the positioning insertion hole, promotes the matching rate of the adjustment of the transmission meshing structure to be better, and ensures that the rotating speed of the driving gear, the driven multi-stage gear and the rotating rod is more stable through the sliding guide of the guide block and the inclined guide groove and the inserting and matching limit of the positioning insertion rod and the positioning insertion hole, the sliding rate is small, the demonstration work of stepless speed change is more stable and reliable, the structure is simple, the manual adjustment and use of teaching personnel are convenient, and the operation flow and the work difficulty of the science popularization of the stepless speed change are reduced.
3. The angle steering mechanism is matched with the angle steering mechanism, so that the rubber sucker seat can be integrally lowered according to requirements during demonstration operation, the rubber sucker seat is higher than the horizontal plane of the bin body and is adsorbed and positioned with an object, the bin body can be freely rotated to drive the stepless speed change mechanism to integrally adjust the angle, an observer can conveniently and quickly adjust the angle according to the best direction, the observation effect of structural stepless speed change display is further improved, the angle steering mechanism is matched with the lifting structure of the unfolding and accommodating mechanism, the structure and the stepless speed change mechanism can be folded in the bin body, operators can conveniently carry and take the bin body for use, and the convenience in use of the exhibition and teaching equipment is improved.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a front cross-sectional view of the present invention;
FIG. 3 is a side cross-sectional view of the present invention;
FIG. 4 is a front expanded view of the present invention;
FIG. 5 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;
FIG. 6 is an enlarged view of FIG. 2 at B of the present invention;
FIG. 7 is an enlarged view of FIG. 2 at C of the present invention;
fig. 8 is a top view of the drive gear and driven multiple stage gear of the present invention.
In the figure: 1. a bin body; 11. an observation window; 2. an angle steering mechanism; 21. mounting grooves; 22. a circular plate; 23. a rotating shaft; 24. a rubber sucker seat; 25. a guide groove; 26. an internal thread sleeve block; 27. a hinge plate; 28. a bidirectional screw rod; 29. a telescopic guide rod; 210. a rocker; 3. a control panel; 4. a continuously variable transmission mechanism; 41. a lifting platform; 42. a rotating rod; 43. a positioning adjustment assembly; 431. a sealing cap; 432. a guide block; 433. positioning the inserted rod; 434. an inclined guide groove; 435. positioning the jack; 436. fixing a column; 437. an inclined chute; 438. connecting blocks; 44. a cover plate; 45. a connecting arm; 46. a turntable; 47. a fixed table; 48. a drive motor; 49. a driving gear; 410. a driven multi-stage gear; 5. a deployment and storage mechanism; 51. an internally threaded tube; 52. a screw; 53. a fluted disc; 54. an outer ring gear; 55. an inner gear ring; 56. a slider; 57. an annular chute; 58. a gear; 59. a servo motor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention discloses a mechanical transmission stepless speed change science popularization interactive exhibition teaching device, which comprises a cabin body 1, an angle steering mechanism 2, a control panel 3, a stepless speed change mechanism 4 and an unfolding and receiving mechanism 5. The stepless speed change mechanism 4 and the unfolding storage mechanism 5 are both arranged in the bin body 1, the power output end of the unfolding storage mechanism 5 is connected with the stepless speed change mechanism 4 and used for lifting the stepless speed change mechanism 4 in the bin body 1, and the control panel 3 is used for controlling the unfolding storage mechanism 5 to work, controlling the driving motor 48 of the stepless speed change mechanism 4 to work and the like. The angle steering mechanism 2 is used for controlling the whole cabin body 1 to lift and can rotate 360 degrees according to the angle steering mechanism 2.
The stepless speed change mechanism 4 comprises a lifting table 41, a rotating rod 42, a positioning and adjusting assembly system 43, a cover plate 44, connecting arms 45, a rotating disc 46, fixing tables 47, a driving motor 48, a driving gear 49 and driven multistage gears 410, wherein the fixing tables 47 are fixedly connected to two sides of the top of the lifting table 41, the rotating rods 42 are sleeved on the inner sides of the two groups of fixing tables 47, the rotating disc 46 is fixedly connected to two sides of the outer side of the rotating rod 42, the driven multistage gears 410 are fixedly connected to the middle position of the outer side of the rotating rod 42, the driving gear 49 is arranged at the output end of the driving motor 48, the driven multistage gears 410 are mutually meshed with the driving gear 49, the driven multistage gears 410 are formed by combining a plurality of groups of fluted discs with different radiuses in length, the connecting arms 45 are fixedly connected to two ends of the lifting table 41, and the connecting arms 45 are fixedly connected with the cover plate 44. The cover plate 44 is further provided with a positioning adjustment assembly 43, and the positioning adjustment assembly 43 is used for adjusting the driving gear 49 to be respectively meshed with a plurality of toothed discs in the driven multi-stage gear 410.
The positioning adjusting assembly 43 comprises a sealing cap 431, guide blocks 432, positioning insertion rods 433, an inclined guide groove 434, positioning insertion holes 435 and a fixing column 436 respectively, the fixing column 436 is fixedly connected with the driving motor 48, the sealing cap 431 is sleeved on the top of the fixing column 436, the guide blocks 432 are arranged on the top of the outer side of the fixing column 436, the inclined guide groove 434 is formed in the middle position of the inner part of the cover plate 44, the positioning insertion rods 433 are fixedly connected to two sides of the outer side of the sealing cap 431, and the positioning insertion holes 435 are symmetrically arranged on two sides of the top of the cover plate 44 close to the inclined guide groove 434. When the guide block 432 drives the fixing column 436 to move in the inclined guide groove 434, and the positioning insertion rods 433 can be sequentially inserted into the positioning insertion holes 435 arranged symmetrically and into different positioning insertion holes 435, the plurality of fluted discs in the driving gear 49 and the driven multi-stage gear 410 are respectively engaged.
Pulleys are arranged on two sides of the guide block 432 and are in sliding fit with the inclined guide groove 434, and the two groups of positioning insertion rods 433 are in insertion fit with the positioning insertion holes 435, so that the guide block 432 is enabled to stably move under the matching of the pulleys and the inclined guide groove 434, and the stepless speed change adjusting structure is rapidly positioned under the insertion positioning of the positioning insertion rods 433 and the positioning insertion holes 435.
An inclined sliding groove 437 is formed in the middle of the top of the lifting table 41, a connecting block 438 in sliding fit is arranged on the inner side of the inclined sliding groove 437, the connecting block 438 is fixedly connected with the driving motor 48, the driving motor 48 is enabled to have better moving guidance and stability, the driven multi-stage gear 410 is formed by combining a plurality of groups of fluted discs with different lengths and radiuses, and therefore gears with different diameters of the driven multi-stage gear 410 are meshed with the driving gear 49 to perform stepless speed change.
The unfolding and accommodating mechanism 5 comprises a power output mechanism and a lifting platform lifting mechanism, wherein the output end of the power output mechanism is connected with the lifting platform lifting mechanism, and the lifting platform lifting mechanism is arranged below the lifting platform 41 and used for controlling the lifting of the lifting platform 41. Elevating platform elevating system includes internal thread pipe 51, screw rod 52, power take off mechanism includes fluted disc 53, outer fluted disc 54, interior fluted disc 55, slider 56, annular spout 57, gear 58 and servo motor 59, the both sides cover of the inside bottom of storehouse body 1 is equipped with screw rod 52, the outside of two sets of screw rods 52 is equipped with the internal thread pipe 51 of mutual adaptation, the bottom in the two sets of screw rod 52 outsides is equipped with fluted disc 53, the edge rigid coupling of the inboard bottom of storehouse body 1 has annular spout 57, the inboard symmetry of annular spout 57 is equipped with slider 56, one side rigid coupling that two sets of slider 56 are close to each other has interior fluted disc 55, and interior fluted disc 55 and fluted disc 53 intermeshing, the edge rigid coupling at interior fluted disc 55 top has outer fluted disc 54, the bottom rigid coupling of the inside one side of storehouse body 1 has servo motor 59, servo motor 59's output is equipped with gear 58, and gear 58 and outer fluted disc 54 intermeshing.
The top of servo motor 59 is equipped with connects the platform, and the top of connecting the platform is equipped with the battery, improves the stability of part installation, is convenient for concentrate the battery with the electric energy, and convenient follow-up power supply easily carries, and the bottom of two sets of screw rods 52 is equipped with the bearing frame, and bearing frame and storehouse body 1 rigid coupling, and the connection cooperation of accessible bearing frame makes screw rod 52 can rotate.
The angle steering mechanism 2 includes mounting groove 21 respectively, the plectane 22, the pivot 23, rubber sucking disc seat 24, the guide way 25, internal thread collets 26, articulated slab 27 and two-way lead screw 28, mounting groove 21 rigid coupling is in the intermediate position department of the inside bottom in storehouse body 1, the inside pot head of mounting groove 21 is equipped with two-way lead screw 28, the outside symmetry of two-way lead screw 28 is equipped with the internal thread collets 26 of mutual adaptation, the bottom of two sets of internal thread collets 26 articulates there is articulated slab 27, the bottom of two sets of articulated slab 27 is equipped with articulated plectane 22 each other, the intermediate position department rigid coupling of plectane 22 bottom has pivot 23, the bottom cover of pivot 23 is equipped with rubber sucking disc seat 24, the guide way 25 is two sets of, two sets of guide way 25 and storehouse body 1 rigid coupling.
The middle position of the top of the rubber sucker seat 24 is provided with a bearing, the rotating shaft 23 is sleeved and connected with the bearing, the two groups of guide grooves 25 are formed by combining guide sliding grooves and guide blocks, and the circular plate 22 is fixedly connected with the guide blocks.
The two sides of the mounting groove 21 are provided with telescopic guide rods which are fixedly connected with the circular plate 22 to increase the lifting guidance of the circular plate 22, the middle position of the top of the circular plate 22 is provided with a hinge seat, the hinge seat is hinged with the hinge plates 27, and the structure can be lifted through the movable fit of the hinge seat and the two groups of hinge plates 27.
The storehouse body 1 of above-mentioned structure comprises cylindric structure, the top of the 1 both sides in the storehouse body is equipped with observation window 11, and observation window 11 corresponds with carousel 46 position, can make infinitely variable structure carry out simulation experiment and survey in the device, the both ends symmetry of the storehouse body 1 is equipped with the handle, the through-hole has been seted up to the intermediate position department of the positive one end of the storehouse body 1, and the inboard cover of through-hole is equipped with the rocker 210 with two-way lead screw 28 rigid coupling, it is rotatory to be convenient for rotatory rocker 210 to drive two-way lead screw 28, the opening has been seted up at the top of the storehouse body 1, and opening and apron 44 mutual adaptation, the intermediate position department of the 1 bottom in the storehouse body is equipped with the recess, angle steering mechanism 2 is located the recess and settles, the both sides and the internal thread pipe 51 top rigid coupling of elevating platform 41 bottom, the both ends of elevating platform 41 bottom are equipped with flexible pipe, and the both ends rigid coupling of the inside bottom in the storehouse body 1.
The steel balls are uniformly arranged on the side, away from each other, of each of the two groups of turnplates 46, the hanging rings are arranged on the two sides of the bottom of the cover plate 44 and correspond to the steel balls, and the steel balls rotating on the turnplates 46 can be provided by the hanging rings to form a reference object system, so that observers can more easily perceive the process of stepless speed change of the turnplates 46, and the scientific popularization effect of the stepless speed change is improved.
As shown in fig. 1-4, when the device is used, the rocker 210 can be manually rotated, and then the bidirectional screw 28 is rotated to force the two sets of internal thread blocks 26 to move close to each other, so that the internal thread blocks 26 drive the hinged plate 27 and the circular plate 22 to move downward, and the circular plate 22 can move in a limiting manner in the guide groove 25 along with the downward movement of the circular plate 22, so that the circular plate 22 drives the rotating shaft 23 and the rubber sucker seat 24 to be exposed out of the bin body 1, so that the rubber sucker seat 24 and a desktop object and the like can be attracted and positioned, at the moment, the bin body 1 can be directly pulled to move in a ring shape under the rotating matching of the rotating shaft 23 and the rubber sucker seat 24, and the angle of the stepless speed change structure can be rapidly adjusted according to the needs of observers, and the observation by operators can be conveniently carried out.
As shown in fig. 5 and 7, when the operator slides the fixing post 436, the sealing cap 431 and the positioning insertion rod 433 of the positioning structure can be pulled out of the positioning insertion hole 435, and then the fixing post 436 can be pulled to drive the guide block 432 to slide in the inclined guide groove 434, so as to drive the driving motor 48 and the driving gear 49 to perform position adjustment, and after the specified position is adjusted, the sealing cap 431 can be used again to drive the positioning insertion rod 433 to be inserted into the prefabricated positioning insertion hole 435 for positioning, so that the adjustment stability of the driving motor 48 and the driving gear 49 is ensured, and the operation stability of the stepless speed change mechanism is improved.
The working principle is as follows: when the device is used, the servo motor 59 can be started through the control panel 3, the gear 58 is driven to rotate to be meshed with the outer toothed ring 54 by the starting of the servo motor 59, the connected inner toothed ring 55 can be driven to rotate under the guiding fit of the slide block 56 and the annular sliding groove 57 along with the meshing rotation of the outer toothed ring 54, then the two groups of mutually meshed toothed discs 53 are driven by the inner toothed ring 55 to force the two groups of screw rods 52 to rotate, at the moment, the two groups of internally threaded pipes 51 can be driven to ascend under the rotation of the screw rods 52, and then the lifting platform 41, the connecting arm 45 and the integral frame of the cover plate 44 are ejected out of the bin body 1 through the internally threaded pipes 51, so that the continuously variable transmission 4 is completely unfolded.
Secondly, when the main structure of the stepless speed change mechanism 4 is to be displayed outside the cabin 1, the driving gear 49 and the driven multistage gear 410 are driven to be meshed with each other by starting the driving motor 48, so that the driven multistage gear 410 is driven to drive the rotating rod 42 and the rotating disc 46 to rotate, when the stepless speed change demonstration is required, the fixing column 436 can be manually pulled to drive the guide block 432 to slide and move in the inclined guide groove 434, the fixing column 436 is driven to drive the driving motor 48 and the driving gear 49 to move in a tangential plane, and further, the meshing distance between the driving gear 49 and the driven multistage gear 410 is adjusted, at the moment, the driving gear 49 and the driven multistage gear 410 with different diameters can be adjusted and changed, so that the rotating speed of the rotating disc 46 is changed, and the stepless speed change process is simulated and displayed and popular science is performed.
Finally, it should be noted that the above-mentioned contents are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, and that the simple modifications or equivalent substitutions of the technical solutions of the present invention by those of ordinary skill in the art can be made without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. The mechanical transmission stepless speed change science popularization interaction exhibition and education equipment is characterized by comprising a cabin body (1), a stepless speed change mechanism (4) and an unfolding containing mechanism (5), wherein the stepless speed change mechanism (4) and the unfolding containing mechanism (5) are arranged in the cabin body (1), and the power output end of the unfolding containing mechanism (5) is connected with the stepless speed change mechanism (4) and used for lifting the stepless speed change mechanism (4) in the cabin body (1);
the stepless speed change mechanism (4) comprises a lifting platform (41), a rotating rod (42), a cover plate (44), a turntable (46), a fixed platform (47), a driving motor (48), a driving gear (49) and a driven multi-stage gear (410) respectively, a pair of fixed platforms (47) are fixedly connected with two sides of the top of the lifting platform (41), rotating rods (42) are sleeved on the inner sides of the fixed platforms (47), the two ends of the outer side of the rotating rod (42) are fixedly connected with rotating discs (46), the middle position of the rotating rod (42) is fixedly connected with a driven multistage gear (410), the output end of the driving motor (48) is provided with a driving gear (49), the driven multi-stage gear (410) is meshed with the driving gear (49), the driven multistage gear (410) is formed by combining a plurality of groups of fluted discs with different lengths and radiuses, and two ends of the lifting platform (41) are fixedly connected with the cover plate (44); the cover plate (44) is also provided with a positioning adjusting assembly (43), and the positioning adjusting assembly (43) is used for adjusting the driving gear (49) to be meshed with a plurality of toothed discs in the driven multi-stage gear (410) respectively;
the unfolding and accommodating mechanism (5) comprises a power output mechanism and a lifting platform lifting mechanism, the output end of the power output mechanism is connected with the lifting platform lifting mechanism, and the lifting platform lifting mechanism is arranged below the lifting platform (41) and used for controlling the lifting platform (41) to lift.
2. The mechanical transmission stepless speed change science popularization interaction exhibition and education equipment according to claim 1 is characterized in that the lifting platform lifting mechanism comprises an internal thread tube (51) and a screw rod (52), the power output mechanism comprises a fluted disc (53), an external tooth ring (54), an internal tooth ring (55), a slide block (56), an annular sliding chute (57), a gear (58) and a servo motor (59), the screw rods (52) are rotatably connected to two sides of the inner bottom end of the bin body (1), the external sides of a pair of the screw rods (52) are provided with the internal thread tubes (51) which are mutually matched, and the upper ends of the internal thread tubes (51) are arranged on the lower surface of the lifting platform (41); the bottom in the screw rod (52) outside is equipped with fluted disc (53), the edge rigid coupling of the inboard bottom in the storehouse body (1) has annular spout (57), the inboard symmetry of annular spout (57) is equipped with slider (56), and is two sets of one side rigid coupling that slider (56) are close to each other has interior ring gear (55), and interior ring gear (55) and fluted disc (53) intermeshing, the edge rigid coupling at interior ring gear (55) top has outer ring gear (54), the bottom rigid coupling of the inside one side in the storehouse body (1) has servo motor (59), the output of servo motor (59) is equipped with gear (58), and gear (58) and outer ring gear (54) intermeshing.
3. The mechanical transmission stepless speed change science popularization interaction exhibition and education equipment as claimed in claim 1, wherein the positioning adjusting assembly (43) comprises a sealing cap (431), a guide block (432), a positioning insertion rod (433), an inclined guide groove (434), a positioning insertion hole (435) and a fixing column (436), the fixing column (436) is connected to a driving motor (48), the sealing cap (431) is sleeved on the top of the fixing column (436), the guide block (432) is arranged on the top of the outer side of the fixing column, the inclined guide groove (434) is formed in the middle of the cover plate (44), the positioning insertion rod (433) is fixedly connected to two sides of the outer side of the sealing cap (431), and the positioning insertion holes (435) are symmetrically arranged on two sides of the top of the cover plate (44) close to the inclined guide groove (434); in the process that the guide block (432) drives the fixed column (436) to move in the inclined guide groove (434), when the positioning insertion rods (433) can be sequentially inserted into the positioning insertion holes (435) which are symmetrically arranged and different positioning insertion holes (435), the plurality of fluted discs in the driving gear (49) and the driven multistage gear (410) are respectively meshed.
4. The mechanical transmission stepless speed change science popularization interaction exhibition and education equipment as claimed in claim 3, wherein pulleys are arranged on two sides of the guide block (432) and are in sliding fit with the inclined guide groove (434), and the two groups of positioning insertion rods (433) are in insertion fit with the positioning insertion holes (435).
5. The mechanical transmission stepless speed change science popularization interaction exhibition and education equipment as claimed in claim 3, wherein an inclined sliding groove (437) matched with the inclined guide groove (434) is formed in the middle of the top of the lifting platform (41), a connecting block (438) in sliding fit is arranged on the inner side of the inclined sliding groove (437), and the connecting block (438) is fixedly connected with the driving motor (48).
6. The mechanical transmission stepless speed change science popularization interaction exhibition and education equipment according to claim 1, characterized in that the lower end of the cabin body is further provided with an angle steering mechanism (2), the angle steering mechanism (2) comprises a mounting groove (21), circular plates (22), a rotating shaft (23), a rubber sucker seat (24), a guide groove (25), an internal thread set block (26), hinged plates (27) and a bidirectional screw rod (28), the mounting groove (21) is fixedly connected to the middle position of the bottom inside the cabin body (1), one end inside the mounting groove (21) is sleeved with the bidirectional screw rod (28), the external sides of the bidirectional screw rod (28) are symmetrically provided with the internal thread set block (26) which are mutually matched, the hinged plates (27) are hinged to the bottoms of two sets of the internal thread set block (26), the bottoms of the two sets of the hinged plates (27) are provided with the circular plates (22) which are mutually hinged, a rotating shaft (23) is fixedly connected to the middle position of the bottom of the circular plate (22), rubber sucker seats (24) are sleeved on the bottom of the rotating shaft (23), two groups of guide grooves (25) are arranged, and the two groups of guide grooves (25) are fixedly connected with the bin body (1); a through hole is formed in the middle of one end of the front surface of the bin body (1), and a rocker (210) fixedly connected with the bidirectional screw rod (28) is sleeved on the inner side of the through hole.
7. The mechanical transmission stepless speed change science popularization interaction exhibition and education equipment according to claim 6 is characterized in that a bearing is arranged in the middle of the top of the rubber sucker seat (24), the rotating shaft (23) is connected with the bearing sleeve in a sleeved mode, two groups of guide grooves (25) are formed by combining guide sliding grooves and guide blocks, and the circular plate (22) is fixedly connected with the guide blocks.
8. The mechanical transmission stepless speed change science popularization interaction exhibition and education equipment according to claim 6 is characterized in that telescopic guide rods (29) are arranged on two sides of the installation groove (21), the telescopic guide rods (29) are fixedly connected with the circular plate (22), a hinge seat is arranged in the middle of the top of the circular plate (22), and the hinge seat is hinged with the hinge plate (27).
9. The mechanical transmission stepless speed change science popularization interaction exhibition and education equipment according to any one of claims 1 to 8, characterized in that the top of the two sides of the cabin body (1) is provided with an observation window (11) at the position corresponding to the position of the turntable (46).
10. The mechanical transmission stepless speed change science popularization interaction exhibition and education equipment as claimed in any one of claims 1 to 8, wherein steel balls are uniformly arranged on the sides, away from each other, of the two groups of turnplates (46), hanging rings are arranged on two sides of the bottom of the cover plate (44), and the hanging rings correspond to the steel balls.
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| CN114299796B (en) | 2023-12-01 |
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