CN208722438U - Hypocycloid track apparatus for demonstrating - Google Patents
Hypocycloid track apparatus for demonstrating Download PDFInfo
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- CN208722438U CN208722438U CN201721638740.3U CN201721638740U CN208722438U CN 208722438 U CN208722438 U CN 208722438U CN 201721638740 U CN201721638740 U CN 201721638740U CN 208722438 U CN208722438 U CN 208722438U
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Abstract
The utility model relates to a kind of hypocycloid track apparatus for demonstrating.The apparatus for demonstrating includes being installed on bracket to determine Knucle-gear and secondary rotary shaft respectively, is rotationally arranged with the supplementary bearing seat being fixedly connected with bracket on the axle body of secondary rotary shaft；The stretching of secondary rotary shaft is rotationally equipped with rotatable parts in the end point on supplementary bearing seat top, the dynamic Knucle-gear for being provided on the rotatable parts and determining Knucle-gear composition internal messing, the rotatable parts are rotatably assorted with the dynamic Knucle-gear composition, it is installed with paintbrush on the dynamic Knucle-gear, which further includes being located on the upside of the paintbrush for showing the translucent cover of paintbrush track；The apparatus for demonstrating further includes the driving device for driving the secondary rotary shaft to rotate, and the driving device is by driving the secondary rotary shaft rotation that dynamic Knucle-gear is driven to revolve and rotation around determining Knucle-gear.The utility model can allow visitor or the more intuitive formation for experiencing hypocycloid of learner and track, and long-term science popularization and teaching is suitble to use.
Description
Technical field
The utility model relates to a kind of hypocycloid track apparatus for demonstrating, are mainly used for Popular Science Education and teaching practice activity.
Background technique
Cycloid is one of charming curve numerous in mathematics, and hypocycloid refers to that a dynamic circle is inscribed within a fixed circle and makees nothing
The track of round Zhou Shangyi fixed point is moved in the rolling of sliding.It is suitable with cycloid, but it is not to do pure rolling on line
Circle, but the circle of pure rolling is done in great circle inner surface.
Object of which movement equation in physics, is mathematically exactly parametric equation.Parametric equation is for solving practical problems
It is of great significance.Cycloid is a kind of highly important curve, can be divided into flat pendulum line, circle cycloid, involute three categories.We
Common most of curve can regard the special case of cycloid, such as astroid, cardiod, Archimedes spiral, curve as
Deng.Cycloid is also very useful a class ourve, if brachistochrone is exactly flat pendulum line；Common gear is usually involute in factory
Or circle cycloid；The principle of astroid is utilized in the Dual-folding door of bus.For another example as many agricultural machinery such as harvester, rooter
With the lathe etc. in factory, mostly using cycloid principle.Moreover, cycloid also has important application, the phase of planets pair in astronomy
The track of the earth, the moon can be regarded as cycloid with respect to the track of the sun.
In teaching process, usual teacher will illustrate cycloid in parametric equation, and by drawing cycloid on blackboard, to the greatest extent
Formation and the track for describing to power cycloid, since the track of cycloid is very more, shape difference is larger, can not be by simply drawing
It is described, causes the difficulty of object teaching.
Summary of the invention
Place in view of the deficiency of the prior art, the technical problem to be solved by the present invention is to provide put in one kind
Line tracking apparatus for demonstrating, can allow visitor or the more intuitive formation for experiencing hypocycloid of learner and track, and be suitble to
Long-term science popularization and teaching uses.
To achieve the goals above, the utility model is achieved through the following technical solutions:
A kind of epicycloid track apparatus for demonstrating, the apparatus for demonstrating include bracket and are installed in respectively on bracket to determine knuckle-tooth
Wheel and secondary rotary shaft, are arranged with to be fixedly connected with bracket and constitute with the secondary rotary shaft on the axle body of the pair rotary shaft and rotate
The supplementary bearing seat of cooperation；The stretching of the pair rotary shaft is rotationally equipped with rotatable parts in the end point on supplementary bearing seat top,
It is provided on the rotatable parts and the dynamic Knucle-gear determined Knucle-gear and constitute internal messing, the rotatable parts and the dynamic circle
Gear composition is rotatably assorted, and the paintbrush with dynamic Knucle-gear eccentric setting is installed on the dynamic Knucle-gear, which also wraps
It includes and is located on the upside of the paintbrush for showing the translucent cover of paintbrush track；The apparatus for demonstrating further includes for driving the secondary rotation
The driving device of shaft rotation, the driving device move Knucle-gear around determining knuckle-tooth by driving the secondary rotary shaft rotation to drive
Wheel revolution and rotation.
Preferably, the radius for determining Knucle-gear and the ratio between the radius of dynamic Knucle-gear are adjustable.
Preferably, the rotatable parts are disk, and the dynamic Knucle-gear includes dynamic knuckle-tooth wheel shaft, and the dynamic knuckle-tooth wheel shaft is inserted
If within the bearing, being provided with the dynamic knuckle-tooth wheel bearing seat being fixed on disk on the outside of the bearing.
Preferably, which further includes the deck plate being arranged on bracket, described to determine Knucle-gear and be installed in described
On panel；The pair rotary shaft passes through the deck plate and is connected with the rotatable parts；The deck plate and the translucent cover
Constitute a closed space.
Preferably, the paintbrush can be white board marker or light pen；The translucent cover is made of acrylic or glass；
When paintbrush uses white board marker, contacted at the top of white board marker pen tip and the translucent cover；When paintbrush uses light pen,
There is the gap of 1-2mm at the top of light pen pen tip and the translucent cover.
It is further preferred that when paintbrush uses light pen, the translucent cover top coating long after glow luminous material, or
The translucent cover is made of dimming glass.
Preferably, the driving device includes the handwheel grasped convenient for manpower, and the top of deck plate is arranged in the handwheel,
And handwheel is arranged and is fixed in live spindle, the live spindle passes through deck plate and is connected with secondary rotary shaft by transmission mechanism
It connects.
As the first preferred embodiment of transmission mechanism, the transmission mechanism is belt gear, by main pulley, skin
Band and secondary pulley are constituted；The main pulley is fixedly mounted in live spindle, and the secondary pulley is fixedly mounted on pair
In rotary shaft, the main pulley drives secondary pulley to rotate by belt.
As second of preferred embodiment of transmission mechanism, the transmission mechanism is gear drive, by master gear, transition
Gear and pinion are constituted；The master gear is fixedly mounted in live spindle, and the pinion is fixedly mounted on secondary rotation
On axis, the master gear drives pinion to rotate by transition gear.
As the third preferred embodiment of transmission mechanism, the transmission mechanism by generator, conducting wire and motor drive mechanism at；
The generator is fixedly connected with live spindle bottom, and the motor is fixedly connected with secondary rotary shaft, the generator via
Fax is transported to motor and motor is driven to rotate by conducting wire.
The utility model has the beneficial effects that:
1), the utility model, which is used, determines Knucle-gear (internal gear) and dynamic Knucle-gear (external gear) institute structure by internal messing each other
At a pair of of gear, simulate a dynamic circle and determining the case where making fricton-tight rolling in circle along a fixed circle, and by setting
The paintbrush on dynamic Knucle-gear is set, the track of a fixed point on dynamic circumference is described.
Due to using translucent cover, spectators can be clearly observed the forming process of hypocycloid, and by dynamic
Paintbrush and translucent cover cooperation on Knucle-gear, have recorded forming process and the track of hypocycloid, so that visitor be greatly facilitated
Or learner is to the formation of hypocycloid and the cognition of track.
2), in operation, visitor or learner are increased mutual in the device presentation process by shake handwheel
Dynamic property and interest may be implemented speed and the period of artificial control revolving speed, substantially increase science popularization and quality of instruction, make to join
Onlooker or learner can be realized self and " draw " hypocycloid, and experience the forming process of hypocycloid.
3) by aperture at the radially different size on disk, it can according to need and place the different dynamic knuckle-tooth of diameter
Wheel, the dynamic Knucle-gear (can determine Knucle-gear and dynamic Knucle-gear radius scale or diameter proportion according to the size of diameter at this time
It is of different sizes) draw different hypocycloid tracks.
4), there are many selections for the paintbrush in this apparatus for demonstrating, for example can directly be drawn at the top of translucent cover using white board marker
Hypocycloid out, certain paintbrush can also use light pen.
When the paintbrush in this apparatus for demonstrating uses light pen, while when translucent cover top coating long after glow luminous material, by
In long after glow luminous material, it is substantially a kind of embedded photoluminescent material, the light-storing and emitting material that is otherwise known as, Noctilucent material, because
This, translucent cover can not only show forming process and the track of hypocycloid at this time, and can pass through long after glow luminous material
Selection, the track of hypocycloid is disappeared (recovery) in reasonable time, thus what realization was shown repeatedly in reasonable time
Technical effect.
When paintbrush is using at the top of light pen and translucent cover using the production of dimming glass (i.e. energization glass) material, visitor
Or learner is first it is seen that the track of light pen luminous point can just see internal machine when dimming glass energization becomes transparent
Structure can excite what visitor or the internal cycloid of learner formed to probe into desire.
5), the utility model is equipped with the translucent cover of the organic glass being flexibly connected or glass material production, can be according to using
It needs to have opened or closed translucent cover, in presentation process, the enclosure space of translucent cover and deck plate one interior visible of composition,
Extraneous interference is reduced, provides guarantee for science popularization and the successes achieved in teaching, while also having played dustproof effect when long-term placement.
6), the utility model is driven by manpower, and LED light source and rechargeable battery can be used in light pen, can be according to actual needs
It is demonstrated in various conditions and different places, meets the society need of current energy-saving and emission-reduction, and structure is simple, operation side
Just, easy to maintain, operation and maintenance expense is reduced, is suitable for long-term science popularization and teaching and uses.
Detailed description of the invention
Fig. 1 is the utility model hand-rail type belt transmission structure schematic diagram；
Fig. 2 is the utility model shaking gear drive mechanism schematic diagram；
Fig. 3 is that the utility model hand-operated electric generator drives structure schematic diagram；
Fig. 4 is the partial enlarged view in Fig. 1,2,3；
Fig. 5 is the top view of the utility model disk.
The meaning of label symbol is as follows in figure:
1- handwheel 2- live spindle 3- main bearing seat
4a- main pulley 4b- master gear 4c- generator
5a- belt 5b- transition gear 5c- conducting wire
6a- secondary pulley 6b- pinion 6c- motor
7- pair rotary shaft 8- supplementary bearing seat 9- bracket
10- deck plate 11- determines Knucle-gear 12- translucent cover
13- disk 14- paintbrush 15- paintbrush seat
16- moves knuckle-tooth wheel shaft 17- bearing 18- and moves knuckle-tooth wheel bearing seat
19- moves Knucle-gear
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type is described in further detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than complete
The embodiment in portion.
Embodiment 1
As shown in Figure 1, the present embodiment is a kind of hand-rail type hypocycloid track apparatus for demonstrating of belt transmission.
The device includes the deck plate 10 being arranged on bracket 9, is equipped with disk 13 in the upside of deck plate 10 and determines knuckle-tooth
Wheel 11, the disk 13 is supported and fixed in secondary rotary shaft 7, and the pair rotary shaft 7, which rotatably supports, is fixed on supplementary bearing seat 8
On, the supplementary bearing seat 8 is fixed on the bracket 9, and the supplementary bearing seat 8 setting is in 10 downside of deck plate；It is described
Determine Knucle-gear 11 to be fixed on deck plate 10.13 top of disk is equipped with dynamic Knucle-gear 19, and the dynamic Knucle-gear 19 passes through dynamic
Knuckle-tooth wheel shaft 16, bearing 17 and dynamic knuckle-tooth wheel bearing seat 18, which are rotatably fixed, to be arranged on disk 13.The dynamic Knucle-gear 19
Excircle at be installed with paintbrush 14.
As shown in Figure 1, the apparatus for demonstrating further includes the driving device for driving the secondary rotary shaft 7 to rotate, the drive
Dynamic device includes the handwheel 1 grasped convenient for manpower, and the top of deck plate 12 is arranged in the handwheel 1, and handwheel 1 is arranged and is fixed on
In live spindle 2, the live spindle 2 passes through deck plate 12 and has been fixedly connected with main pulley 4a, main pulley 4a in lower end
It is connect by belt 5a with secondary pulley 6a, secondary pulley 6a is sleeved in secondary rotary shaft 7.
As shown in Figure 1, the apparatus for demonstrating is covered with translucent cover 12, the 12 activity installation of translucent cover in the upside of disk 13
On deck plate 10, and translucent cover 12 and the deck plate 10 constitute a closed space.
When live spindle 2 drives secondary rotary shaft 7 to rotate, the pair rotary shaft 7 drives disk 13 to rotate, to drive dynamic
Knucle-gear 19 is around the revolution of Knucle-gear 11 is determined, and at the same time, rotation also occurs for the dynamic Knucle-gear 19 being supported on bearing 17, at this time
By the translucent cover 12 of the paintbrush 14 and upside that are arranged on dynamic Knucle-gear 19, the forming process and rail of hypocycloid can be shown
Mark.
It elaborates with reference to the accompanying drawing to the course of work of the apparatus for demonstrating.
Firstly, rotation hand wheel 1, driving live spindle 2 are revolved in clockwise and counterclockwise directions by visitor or learner
Turn, live spindle 2 then drives main pulley 4a and belt 5a to rotate, and then secondary pulley 6a is also rotated therewith, secondary
Belt pulley 6a then drives secondary rotary shaft 7 to rotate, and disk 13 is driven to rotate, and Knucle-gear 19 is moved under the drive of disk 13 around fixed
The rotation revolution of Knucle-gear 11, meanwhile, in the case where moving Knucle-gear 19 and determining the internal messing effect of Knucle-gear 11, move the rotation of Knucle-gear 19 certainly
Turn, drive the movement of paintbrush 14, visitor or learner can see the forming process and paintbrush 14 of hypocycloid by translucent cover 12
The hypocycloid track drawn at the top of translucent cover 12.
When paintbrush 14 is white board marker, paintbrush 14 can draw hypocycloid track on 12 top planes transparent panel of translucent cover
Curve.The track drawn can be wiped with blank sassafras and Reusability.
When paintbrush 14 is light pen, paintbrush 14 can be coated with the translucent cover 12 of long after glow luminous material in top planes
Upper " picture " goes out hypocycloid geometric locus." picture " goes out hypocycloid geometric locus due to the feature of afterglow materials, can be certain
Time in " disappearance ", it can be used repeatedly after recovery.
When paintbrush 14 is using dimming glass (energization glass) material is used at the top of light pen and translucent cover, visitor or
Habit person is first it is seen that the luminous point of light pen is in the track of dimming glass (energization glass), when dimming glass (energization glass) is logical
When electricity becomes transparent, internal mechanism can be just seen.
When the dynamic Knucle-gear 19 of replacement installation different-diameter on disk 13, different hypocycloid tracks can be drawn.
Embodiment 2
As shown in Fig. 2, the present embodiment is a kind of gear-driven hand-rail type hypocycloid track apparatus for demonstrating.
The device includes the deck plate 10 being arranged on bracket 9, is equipped with disk 13 in the upside of deck plate 10 and determines knuckle-tooth
Wheel 11, the disk 13 is supported and fixed in secondary rotary shaft 7, and the pair rotary shaft 7, which rotatably supports, is fixed on supplementary bearing seat 8
On, the supplementary bearing seat 8 is fixed on the bracket 9, and the supplementary bearing seat 8 setting is in 10 downside of deck plate；It is described
Determine Knucle-gear 11 to be fixed on deck plate 10.13 top of disk is equipped with dynamic Knucle-gear 19, and the dynamic Knucle-gear 19 passes through dynamic
Knuckle-tooth wheel shaft 16, bearing 17 and dynamic knuckle-tooth wheel bearing seat 18, which are rotatably fixed, to be arranged on disk 13.The dynamic Knucle-gear 19
Excircle at be installed with paintbrush 14.
As shown in Fig. 2, the apparatus for demonstrating further includes the driving device for driving the secondary rotary shaft 7 to rotate, the drive
Dynamic device includes the handwheel 1 grasped convenient for manpower, and the top of deck plate 10 is arranged in the handwheel 1, and handwheel 1 is arranged and is fixed on
In live spindle 2, the live spindle 2 passes through deck plate 10 and has been fixedly connected with master gear 4b in lower end, and master gear 4b passes through
Transition gear 5b is engaged with pinion 6b, and pinion 6b is sleeved in secondary rotary shaft 7.
As shown in Fig. 2, the apparatus for demonstrating is covered with translucent cover 12, the 12 activity installation of translucent cover in the upside of disk 13
On deck plate 10, and translucent cover 12 and the deck plate 10 constitute a closed space.
It elaborates with reference to the accompanying drawing to the course of work of the apparatus for demonstrating.
Firstly, rotation hand wheel 1, driving live spindle 2 are revolved in clockwise and counterclockwise directions by visitor or learner
Turn, live spindle 2 then drives master gear 4b and transition gear 5b to rotate, and then pinion 6b is also rotated therewith, secondary
Gear 6b then drives secondary rotary shaft 7 to rotate, and disk 13 is driven to rotate, and Knucle-gear 19 is moved under the drive of disk 13 around fixed circle
The rotation revolution of gear 11, meanwhile, in the case where moving Knucle-gear 19 and determining the internal messing effect of Knucle-gear 11, move the rotation of Knucle-gear 19 certainly
Turn, drive the movement of paintbrush 14, visitor or learner can see the forming process and paintbrush 14 of hypocycloid by translucent cover 12
The hypocycloid track drawn at the top of translucent cover 12.
When paintbrush 14 is white board marker, paintbrush 14 can draw hypocycloid track on 12 top planes transparent panel of translucent cover
Curve.The track drawn can be wiped with blank sassafras and Reusability.
When paintbrush 14 is light pen, paintbrush 14 can be coated with the translucent cover 12 of long after glow luminous material in top planes
Upper " picture " goes out hypocycloid geometric locus." picture " goes out hypocycloid geometric locus due to the feature of afterglow materials, can be certain
Time in " disappearance ", it can be used repeatedly after recovery.
When paintbrush 14 is using dimming glass (energization glass) material is used at the top of light pen and translucent cover, visitor or
Habit person is first it is seen that the luminous point of light pen is in the track of dimming glass (energization glass), when dimming glass (energization glass) is logical
When electricity becomes transparent, internal mechanism can be just seen.
When the dynamic Knucle-gear 19 of replacement installation different-diameter on disk 13, different hypocycloid tracks can be drawn.
Embodiment 3
As shown in figure 3, the present embodiment is a kind of hand-rail type hypocycloid track apparatus for demonstrating of generator drive.
The device includes the deck plate 10 being arranged on bracket 9, is equipped with disk 13 in the upside of deck plate 10 and determines knuckle-tooth
Wheel 11, the disk 13 is supported and fixed in secondary rotary shaft 7, and the pair rotary shaft 7, which rotatably supports, is fixed on supplementary bearing seat 8
On, the supplementary bearing seat 8 is fixed on the bracket 9, and the supplementary bearing seat 8 setting is in 10 downside of deck plate；It is described
Determine Knucle-gear 11 to be fixed on deck plate 10.13 top of disk is equipped with dynamic Knucle-gear 19, and the dynamic Knucle-gear 19 passes through dynamic
Knuckle-tooth wheel shaft 16, bearing 17 and dynamic knuckle-tooth wheel bearing seat 18, which are rotatably fixed, to be arranged on disk 13.The dynamic Knucle-gear 19
Excircle at be installed with paintbrush 14.
As shown in figure 3, the apparatus for demonstrating further includes the driving device for driving the secondary rotary shaft 7 to rotate, the drive
Dynamic device includes the handwheel 1 grasped convenient for manpower, and the top of deck plate 10 is arranged in the handwheel 1, and handwheel 1 is arranged and is fixed on
In live spindle 2, the live spindle 2 passes through deck plate 10 and has been fixedly connected with generator 4c, motor 6c and pair in lower end
Rotary shaft 7 is fixedly connected, and fax is transported to motor 6c via conducting wire 5c and motor 6c is driven to rotate by generator 4c.
As shown in figure 3, the apparatus for demonstrating is covered with translucent cover 12, the 12 activity installation of translucent cover in the upside of disk 13
On deck plate 10, and translucent cover 12 and the deck plate 10 constitute a closed space.
It elaborates with reference to the accompanying drawing to the course of work of the apparatus for demonstrating.
Firstly, rotation hand wheel 1, driving live spindle 2 are revolved in clockwise and counterclockwise directions by visitor or learner
Turn, live spindle 2 drives generator 4c power generation, and electric power is transferred to motor 6c by conducting wire 5c, and motor 6c then rotates driving
Secondary rotary shaft 7 rotates, and disk 13 is driven to rotate, and Knucle-gear 19 is moved under the drive of disk 13 around determining Knucle-gear 11 and rotates public affairs
Turn, meanwhile, in dynamic Knucle-gear 19 and under determining the internal messing effect of Knucle-gear 11, moves Knucle-gear 19 and rotate rotation, drive paintbrush 14
The forming process and paintbrush 14 that movement, visitor or learner can see hypocycloid by translucent cover 12 are at 12 top of translucent cover
The hypocycloid track drawn.
When paintbrush 14 is white board marker, paintbrush 14 can draw hypocycloid track on 12 top planes transparent panel of translucent cover
Curve.The track drawn can be wiped with blank sassafras and Reusability.
When paintbrush 14 is light pen, paintbrush 14 can be coated with the translucent cover 12 of long after glow luminous material in top planes
Upper " picture " goes out hypocycloid geometric locus." picture " goes out hypocycloid geometric locus due to the feature of afterglow materials, can be certain
Time in " disappearance ", it can be used repeatedly after recovery.
When paintbrush 14 is using dimming glass (energization glass) material is used at the top of light pen and translucent cover, visitor or
Habit person is first it is seen that the luminous point of light pen is in the track of dimming glass (energization glass), when dimming glass (energization glass) is logical
When electricity becomes transparent, internal mechanism can be just seen.
When the dynamic Knucle-gear 19 of replacement installation different-diameter on disk 13, different hypocycloid tracks can be drawn.
It should be pointed out that being not limited to the supporting mechanism of deck plate 10 using bracket 9 in the utility model.It can also be taken
It has the device of support function, for example, be designed to supporting table panel and store the upper box of the following component of deck plate,
Deck plate is fastened on upper box upper end, and the lower end of upper box is connected with lower box, and partition is equipped between upper box and lower box,
The base position of lower box is equipped with the bottom plate blocked in lower box bottom, and one side and the pedestal of bottom plate constitute hinged cooperation, bottom plate
Another side is provided with the latch structure being linked together with pedestal, bottom plate can be opened or closed；When opening, peace can be convenient
Dress or maintenance internal component, after, bottom plate can be closed by bolt.
Equally, other structures, such as chain transminssion mechanism also can be used in transmission device.It is practical new that such transformation all falls within this
Within the protection scope of type.
Claims (10)
1. a kind of hypocycloid track apparatus for demonstrating, which is characterized in that the apparatus for demonstrating includes bracket (9) and is installed in branch respectively
Knucle-gear (11) and secondary rotary shaft (7) are determined on frame (9), are arranged on the axle body of the pair rotary shaft (7) fixed with bracket (9)
Couple and constitutes the supplementary bearing seat (8) being rotatably assorted with the secondary rotary shaft (7)；The stretching of the pair rotary shaft (7) is in countershaft
The end point for holding seat (8) top is rotationally equipped with rotatable parts, is provided on the rotatable parts and determines Knucle-gear with described
(11) the dynamic Knucle-gear (19) of internal messing is constituted, the rotatable parts are constituted with the dynamic Knucle-gear (19) and are rotatably assorted, described
The paintbrush (14) with dynamic Knucle-gear (19) eccentric setting is installed on dynamic Knucle-gear (19), which further includes being located at institute
It states on the upside of paintbrush (14) for showing the translucent cover (12) of paintbrush track；The apparatus for demonstrating further includes for driving the secondary rotation
The driving device of axis (7) rotation, the driving device drive dynamic Knucle-gear (19) by driving the secondary rotary shaft (7) to rotate
Around determine Knucle-gear (11) revolution and rotation.
2. a kind of hypocycloid track apparatus for demonstrating according to claim 1, it is characterised in that: described to determine Knucle-gear (11)
The ratio between radius and the radius of dynamic Knucle-gear (19) are adjustable.
3. a kind of hypocycloid track apparatus for demonstrating according to claim 1, it is characterised in that: the rotatable parts are disk
(13), the dynamic Knucle-gear (19) includes dynamic knuckle-tooth wheel shaft (16), and the dynamic knuckle-tooth wheel shaft (16) is plugged in bearing (17), institute
State the dynamic knuckle-tooth wheel bearing seat (18) for being provided with and being fixed on disk (13) on the outside of bearing (17).
4. a kind of hypocycloid track apparatus for demonstrating according to claim 1, it is characterised in that: the apparatus for demonstrating further includes setting
Set the deck plate (10) on bracket (9), it is described to determine Knucle-gear (11) and be installed on the deck plate (10)；The pair rotary shaft
(7) deck plate (10) are passed through to be connected with the rotatable parts；The deck plate (10) and the translucent cover (12) are constituted
One closed space.
5. a kind of hypocycloid track apparatus for demonstrating according to claim 1, it is characterised in that: the paintbrush (14) is white
Plate pen or light pen；The translucent cover (12) is made of acrylic or glass；
When paintbrush (14) use white board marker, contacted at the top of white board marker pen tip and the translucent cover (12)；When paintbrush (14) use
When light pen, there is the gap of 1-2mm at the top of light pen pen tip and the translucent cover (12).
6. a kind of hypocycloid track apparatus for demonstrating according to claim 5, it is characterised in that: when paintbrush (14) are using luminous
When pen, translucent cover (12) the top coating long after glow luminous material or the translucent cover (12) are made of dimming glass.
7. described in any item a kind of hypocycloid track apparatus for demonstrating according to claim 1~6, it is characterised in that: the driving
Device includes the handwheel (1) grasped convenient for manpower, and the handwheel (1) is arranged on the top of deck plate (10), and handwheel (1) is arranged
It is fixed on live spindle (2), the live spindle (2) passes through deck plate (10) and passes through transmission mechanism phase with secondary rotary shaft (7)
Connection.
8. a kind of hypocycloid track apparatus for demonstrating according to claim 7, it is characterised in that: the transmission mechanism is belt
Transmission mechanism is made of main pulley (4a), belt (5a) and secondary pulley (6a)；The main pulley (4a) is fixedly mounted
On live spindle (2), the secondary pulley (6a) is fixedly mounted on secondary rotary shaft (7), and the main pulley (4a) passes through
Belt (5a) drives secondary pulley (6a) rotation.
9. a kind of hypocycloid track apparatus for demonstrating according to claim 7, it is characterised in that: the transmission mechanism is gear
Transmission mechanism is made of master gear (4b), transition gear (5b) and pinion (6b)；The master gear (4b) is fixedly mounted on
In live spindle (2), the pinion (6b) is fixedly mounted on secondary rotary shaft (7), and the master gear (4b) passes through transition tooth
Take turns (5b) driving pinion (6b) rotation.
10. a kind of hypocycloid track apparatus for demonstrating according to claim 7, it is characterised in that: the transmission mechanism is by sending out
Motor (4c), conducting wire (5c) and motor (6c) are constituted；The generator (4c) is fixedly connected with live spindle (2) bottom,
The motor (6c) is fixedly connected with secondary rotary shaft (7), and the generator (4c) transports to fax via conducting wire (5c) electronic
Machine (6c) simultaneously drives motor (6c) to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721638740.3U CN208722438U (en) | 2017-11-30 | 2017-11-30 | Hypocycloid track apparatus for demonstrating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721638740.3U CN208722438U (en) | 2017-11-30 | 2017-11-30 | Hypocycloid track apparatus for demonstrating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208722438U true CN208722438U (en) | 2019-04-09 |
Family
ID=65968205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721638740.3U Active CN208722438U (en) | 2017-11-30 | 2017-11-30 | Hypocycloid track apparatus for demonstrating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208722438U (en) |
-
2017
- 2017-11-30 CN CN201721638740.3U patent/CN208722438U/en active Active
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