CN204537606U - Intellectual and interesting type cyclic train Synthetic educational appliance - Google Patents
Intellectual and interesting type cyclic train Synthetic educational appliance Download PDFInfo
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- CN204537606U CN204537606U CN201520036730.7U CN201520036730U CN204537606U CN 204537606 U CN204537606 U CN 204537606U CN 201520036730 U CN201520036730 U CN 201520036730U CN 204537606 U CN204537606 U CN 204537606U
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- screw mandrel
- cyclic train
- gear
- fixed gear
- slide block
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Abstract
The utility model discloses a kind of intellectual and interesting type cyclic train Synthetic educational appliance, comprise frame and be arranged on the cyclic train in frame, cyclic train comprises the first variable fixed gear cyclic train and the second variable fixed gear cyclic train, first, second variable fixed gear cyclic train one end is connected with motor-driven respectively, the other end is connected respectively by belt pulley one end with the first screw mandrel and the second screw mandrel, and the first screw mandrel and the second screw mandrel are arranged vertically; First screw mandrel is arranged with the first slide block of band ball nut, the top linking springs coupling arrangement of the first slide block, the top of spring connector is connected with a line slideway; Second screw mandrel is arranged with the second slide block of band ball nut, the second slide block is arranged in line slideway, drives the first slide block to move under the rotation of the first screw mandrel, and the first slide block drives line slideway and the second screw mandrel to move along X-direction; The frame that the both sides of the second screw mandrel are corresponding is provided with the arc guide rail of band curvature, the second screw mandrel can move on arc guide rail.
Description
Technical field
The utility model relates to a kind of intellectual and interesting type cyclic train Synthetic educational appliance.
Background technology
Along with the growth at full speed of China's economic, mechanical major is very powerful and exceedingly arrogant, and increasing student have selected this specialty, but the quick growth of student's quantity causes huge puzzlement also to the teaching of colleges and universities, allows quality of instruction face huge challenge.In classroom instruction attractive force, pouring-in-process in instruction of reading according to the copy is often too dull barren, and a lot of student attends class to stare blankly and even dozes off.Interest is best teacher, to this, daily teaching and intellectual and interesting amusement is combined together, motivates students' interest in learning and improve efficiency of teaching to seem particularly important.
The maximum shortcoming of existing cyclic train teaching aid be exactly structure single, lack recreational and nature of leisure, and existing cyclic train teaching aid all intuitively cannot show ratio of gear, generally can run into epicyclic gearing in calculating transforms this comparatively abstract concept of institutionalization, and student cannot understand the computing method of epicyclic gearing ratio and the difference with fixed shaft gear train ratio of gear thereof.
Summary of the invention
In order to overcome the above-mentioned shortcoming that existing cyclic train teaching aid exists, the utility model provide a kind of student can be helped to a great extent to understand epicyclic gearing ratio computing method and the intellectual and interesting type cyclic train Synthetic educational appliance of difference with fixed shaft gear train ratio of gear.
The technical solution adopted in the utility model is:
Intellectual and interesting type cyclic train Synthetic educational appliance, comprise frame and be arranged on the cyclic train in frame, described cyclic train connection control device, it is characterized in that: described cyclic train comprises and is configured with motor-driven first variable fixed gear cyclic train and the second variable fixed gear cyclic train respectively, described first, second variable fixed gear cyclic train one end respectively with can the motor-driven of rotating be connected, the other end is connected respectively by belt pulley one end with the first screw mandrel and the second screw mandrel, the first described screw mandrel and the second screw mandrel are all parallel to ground and arrange, the first described screw mandrel is positioned at the below of the second screw mandrel, and the first described screw mandrel and the second screw mandrel are arranged vertically, the first described screw mandrel and the other end of the second screw mandrel are connected in described frame by coupling shaft,
The first described screw mandrel is arranged with the first slide block of band ball nut, the top linking springs coupling arrangement of the first described slide block, the top of described spring connector is connected with a line slideway; The second described screw mandrel is arranged with the second slide block of band ball nut, the second described slide block is arranged in described line slideway, under the rotation of the first described screw mandrel, drive the first slide block to move, the first described slide block drives line slideway and the second screw mandrel to move along X-direction;
The frame that the both sides of the second described screw mandrel are corresponding is provided with the arc guide rail of band curvature, the second described screw mandrel can move on arc guide rail.
Described first variable fixed gear cyclic train comprises the first main drive shaft and the first driven shaft and the first variable number of teeth fixed gear, first planet gear that coaxially arrange, one end of the first described main drive shaft drives with the rotation axis of motor and is connected, the end of the first described driven shaft is provided with belt pulley, is connected between described belt pulley with the first screw mandrel by belt; The first described main drive shaft and the first driven shaft are provided with the first described variable number of teeth fixed gear respectively by axle sleeve, described first variable number of teeth fixed gear is meshed with first planet gear respectively, described first planet gear is symmetrical arranged relative to the center line of the first main drive shaft, and the bottom of described first planet gear is provided with belt pulley, is connected between the belt pulley of bottom by belt; Described first planet gear is arranged in described frame by planet carrier, and described planet carrier is provided with the position adjusting mechanism that can slide along the in-plane of variable number of teeth fixed gear, described position adjusting mechanism is connected with described first planet gear.
Described second variable fixed gear cyclic train comprises the second main drive shaft, second driven shaft, second variable number of teeth fixed gear, second planet wheel, spiral gear, one end of the second described main drive shaft drives with the rotation axis of motor and is connected, the second described main drive shaft and the second driven shaft are respectively arranged with the second variable number of teeth fixed gear, described second variable number of teeth fixed gear is meshed with the second planet wheel respectively, the second described planet wheel is symmetrical arranged relative to the center line of the second main drive shaft, and the described second planetary bottom is provided with belt pulley, connected by belt between the belt pulley of bottom, the second described planet wheel is arranged in described frame by planet carrier, described planet carrier is provided with the position adjusting mechanism that can slide along the in-plane of the second variable number of teeth fixed gear, described position adjusting mechanism is connected with the second described planet wheel, the other end of the second described driven shaft is connected by described spiral gear one end with the output shaft be arranged in frame, and the other end of described output shaft is connected with the second screw mandrel by belt, belt pulley.
Described apparatus for adjusting position comprises and along the 3rd slide block of planet carrier length direction movement, the 3rd described slide block can be mounted with described first planet gear or the second planet wheel.
Described spring connector is the some springs be arranged in parallel, the line slideway described in the connection of top of described spring, the first slide block described in bottom connects.
The two ends of described line slideway and the bottom of arc guide rail touch.
The first described main drive shaft, the second main drive shaft, the first driven shaft and the second driven shaft are provided with angle scale.
The number of gears of the described first variable number of teeth fixed gear and the second variable number of teeth fixed gear is 12,13 or 14.
In the utility model, the output shaft of two cover cyclic trains adds V belt translation and worm drive respectively, the transmission of train is outputted to belt pulley, and drive screw mandrel to rotate the two dimensional motion realizing two rhizoid bar top shoes respectively by belt pulley.And being reducing epicyclic gear set due to this two covers cyclic train, ratio of gear is very large, and after changing the different number of teeth of fixed gear, ratio of gear also very large change can occur.Therefore need compared with the V belt translation of close steps and the screw mandrel of large pitch, slide block topmost to be run with suitable speed.
In the utility model, control circui function mainly realizes controlling complete machine running, and control the rotating of motor, adjustable rotating speed size, realizes the second slide block and can return initial point after end of run simultaneously.Because the structure of this mechanism is simple, has certain requirement, need control within the specific limits the rotating speed of motor, the principle therefore realizing this function is the rotating of motor and adjustable speed mainly.
The utility model teaching aid mainly realizes following functions:
(1) function that this teaching aid is maximum is student's probing into and calculating by ratio of gear, the cyclic train model teaching aid utilizing two covers concrete is to complete the game in labyrinth, namely student needs in understanding and specifically after gear ratio calculation, and choose the feasible gear number of teeth and assemble cyclic train voluntarily, realize different ratio of gear to export, the basis that this probes into not only can make student understand the calculating of epicyclic gearing ratio and the difference of fixed shaft gear train gear ratio calculation and the singularity knowing from experience epicyclic gearing ratio, the interest in mechanical classroom can be experienced again;
(2) can be probed into the calculating of this two covers epicyclic gearing ratio by the angle scale on main drive shaft and driven shaft, and validates itself epicyclic gearing is than relational expression, sharpens understanding;
(3) this teaching aid apparatus for adjusting position can realize the object that planetary gear engages from the fixed gear of the different number of teeth, and student, by changing the fixed gear number of teeth, can change the ratio of gear of a whole set of cyclic train;
(4) rotary motion of two cover cyclic train output shafts is converted into the two dimensional motion of plane by the screw mandrel of orthogonal placement, start two motors of this teaching aid simultaneously and draw oblique line by the second slide block movement, the slope obtained the i.e. ratio of two cover cyclic train output shaft speeds, and after there is less change by the number of teeth that the contrast of both slopes can be well understood to cyclic train fixed gear, ratio of gear just has very large change;
(5) second slide blocks can realize the change of any direction, utilize the rotating of motor to realize.
The beneficial effects of the utility model are embodied in: structure is simple, help student to understand the computing method of epicyclic gearing ratio and the difference with fixed shaft gear train ratio of gear thereof; Student's probing into and calculating by ratio of gear, the cyclic train model teaching aid utilizing two covers concrete is to complete the game in labyrinth, namely student needs in understanding and specifically after gear ratio calculation, and choose the feasible gear number of teeth and assemble cyclic train voluntarily, realize different ratio of gear to export, the basis that this probes into not only can make student understand the calculating of epicyclic gearing ratio and the difference of fixed shaft gear train gear ratio calculation and the singularity knowing from experience epicyclic gearing ratio, the interest in mechanical classroom can be experienced again.
Accompanying drawing explanation
Fig. 1 is the utility model one-piece construction schematic diagram.
Fig. 2 is the side view of Fig. 1.
Fig. 3 is the A-A sectional view in Fig. 1.
Fig. 4 is I place enlarged drawing in Fig. 1.
Embodiment
Referring to figs. 1 through Fig. 4, intellectual and interesting type cyclic train Synthetic educational appliance, the cyclic train comprising frame 1 and be arranged in frame 1, described cyclic train connection control device, described cyclic train comprises and is configured with motor-driven first variable fixed gear cyclic train 21 and the second variable fixed gear cyclic train 22 respectively, described first, second variable fixed gear cyclic train 21, 22 one end respectively with can the motor 3 of rotating be in transmission connection, the other end is connected respectively by belt pulley 4 one end with the first screw mandrel 51 and the second screw mandrel 52, the first described screw mandrel 51 and the second screw mandrel 52 are all parallel to ground and arrange, the first described screw mandrel 51 is positioned at the below of the second screw mandrel 52, and the first described screw mandrel 51 and the second screw mandrel 52 are arranged vertically, the first described screw mandrel 51 and the other end of the second screw mandrel 52 are connected in described frame 1 by coupling shaft 6,
The first described screw mandrel 51 is arranged with the first slide block 71 of band ball nut, the top linking springs coupling arrangement 8 of the first described slide block 71, the top of described spring connector 8 is connected with a line slideway 9; The second described screw mandrel 52 is arranged with the second slide block 72 of band ball nut, the second described slide block 72 is arranged in described line slideway 9, under the rotation of the first described screw mandrel 51, drive the first slide block 71 to move, the first described slide block 71 drives line slideway 9 and the second screw mandrel 52 to move along X-direction;
The frame that the both sides of the second described screw mandrel 52 are corresponding is provided with the arc guide rail 10 of band curvature, the second described screw mandrel 52 can move on arc guide rail 10.
Described first variable fixed gear cyclic train 21 comprises coaxial the first main drive shaft 211 and the first driven shaft 212 and the first variable number of teeth fixed gear 213, the first planet gear 214 arranged, described one end of the first main drive shaft 211 drives with the rotation axis of motor 3 and is connected, the end of the first described driven shaft 212 is provided with belt pulley, is connected between described belt pulley with the first screw mandrel 51 by belt 11; The first described main drive shaft 211 and the first driven shaft 212 are provided with the first described variable number of teeth fixed gear 213 respectively by axle sleeve 12, described first variable number of teeth fixed gear 213 is meshed with first planet gear 214 respectively, described first planet gear 214 is symmetrical arranged relative to the center line of the first main drive shaft 211, and the bottom of described first planet gear 214 is provided with belt pulley, is connected between the belt pulley of bottom by belt; Described first planet gear 214 is arranged in described frame by planet carrier 215, described planet carrier 215 is provided with the position adjusting mechanism 13 that can slide along the in-plane of variable number of teeth fixed gear, described position adjusting mechanism 13 is connected with described first planet gear 214.
Described second variable fixed gear cyclic train 22 comprises the second main drive shaft 221, second driven shaft 222, second variable number of teeth fixed gear 223, second planet wheel 224, spiral gear 225, described one end of the second main drive shaft 221 drives with the rotation axis of motor 3 and is connected, the second described main drive shaft 221 and the second driven shaft 222 are respectively arranged with the second variable number of teeth fixed gear 223, described second variable number of teeth fixed gear 223 is meshed with the second planet wheel 224 respectively, the second described planet wheel 224 is symmetrical arranged relative to the center line of the second main drive shaft 221, and the bottom of the second described planet wheel 224 is provided with belt pulley, connected by belt between the belt pulley of bottom, the second described planet wheel 224 is arranged in described frame 1 by planet carrier 215, described planet carrier 225 is provided with the position adjusting mechanism 13 that can slide along the in-plane of the second variable number of teeth fixed gear 223, described position adjusting mechanism 13 is connected with the second described planet wheel 224, the other end of the second described driven shaft 222 is connected by described spiral gear one end with the output shaft 226 be arranged in frame, and the other end of described output shaft 226 is connected with the second screw mandrel 52 by belt, belt pulley.
Described apparatus for adjusting position 13 comprises and along the 3rd slide block 131 of planet carrier length direction movement, the 3rd described slide block 131 can be mounted with described first planet gear or the second planet wheel.
Described spring connector 8 is the some springs be arranged in parallel 81, the line slideway 9 described in the connection of top of described spring 81, the first slide block 71 described in bottom connects.
The two ends of described line slideway 9 and the bottom of arc guide rail 10 touch.
The first described main drive shaft 211, second main drive shaft 221, first driven shaft 212 and the second driven shaft 222 are provided with angle scale.
The number of gears of the described first variable number of teeth fixed gear 213 and the second variable number of teeth fixed gear 223 is 12,13 or 14.
In the utility model, the output shaft of two cover cyclic trains adds V belt translation and worm drive respectively, the transmission of train is outputted to belt pulley, and drive screw mandrel to rotate the two dimensional motion realizing two rhizoid bar top shoes respectively by belt pulley.And being reducing epicyclic gear set due to this two covers cyclic train, ratio of gear is very large, and after changing the different number of teeth of fixed gear, ratio of gear also very large change can occur.Therefore need compared with the V belt translation of close steps and the screw mandrel of large pitch, slide block topmost to be run with suitable speed.
In the utility model, control circui function mainly realizes controlling complete machine running, and control the rotating of motor, adjustable rotating speed size, realizes the second slide block and can return initial point after end of run simultaneously.Because the structure of this mechanism is simple, has certain requirement, need control within the specific limits the rotating speed of motor, the principle therefore realizing this function is the rotating of motor and adjustable speed mainly.
The utility model teaching aid mainly realizes following functions:
(1) function that this teaching aid is maximum is student's probing into and calculating by ratio of gear, the cyclic train model teaching aid utilizing two covers concrete is to complete the game in labyrinth, namely student needs in understanding and specifically after gear ratio calculation, and choose the feasible gear number of teeth and assemble cyclic train voluntarily, realize different ratio of gear to export, the basis that this probes into not only can make student understand the calculating of epicyclic gearing ratio and the difference of fixed shaft gear train gear ratio calculation and the singularity knowing from experience epicyclic gearing ratio, the interest in mechanical classroom can be experienced again;
(2) can be probed into the calculating of this two covers epicyclic gearing ratio by the angle scale on main drive shaft and driven shaft, and validates itself epicyclic gearing is than relational expression, sharpens understanding;
(3) this teaching aid apparatus for adjusting position can realize the object that planetary gear engages from the fixed gear of the different number of teeth, and student, by changing the fixed gear number of teeth, can change the ratio of gear of a whole set of cyclic train;
(4) rotary motion of two cover cyclic train output shafts is converted into the two dimensional motion of plane by the screw mandrel of orthogonal placement, start two motors of this teaching aid simultaneously and draw oblique line by the second slide block movement, the slope obtained the i.e. ratio of two cover cyclic train output shaft speeds, and after there is less change by the number of teeth that the contrast of both slopes can be well understood to cyclic train fixed gear, ratio of gear just has very large change;
(5) second slide blocks can realize the change of any direction, utilize the rotating of motor to realize.
Particularly, when variable number of teeth fixed gear is 12 tooth, motor rotating forward-cyclic train operation-output shaft rotating forward-pulley rotation-the first screw mandrel rotates the-the first slide block plane positive dirction and moves;
When fixed gear is 13 tooth, it is mobile in the other direction that motor rotating forward-cyclic train operation-output shaft reversion-pulley rotation-the first screw mandrel rotates the-the first slide block plane;
When fixed gear is 14 tooth, it is mobile in the other direction that motor rotating forward-cyclic train operation-output shaft reversion-pulley rotation-the first screw mandrel rotates the-the first slide block plane;
Content described in this instructions embodiment is only enumerating the way of realization of inventive concept; protection domain of the present utility model should not be regarded as being only limitted to the concrete form that embodiment is stated, protection domain of the present utility model also and conceive the equivalent technologies means that can expect according to the utility model in those skilled in the art.
Claims (8)
1. intellectual and interesting type cyclic train Synthetic educational appliance, comprise frame and be arranged on the cyclic train in frame, described cyclic train connection control device, it is characterized in that: described cyclic train comprises and is configured with motor-driven first variable fixed gear cyclic train and the second variable fixed gear cyclic train respectively, described first, second variable fixed gear cyclic train one end respectively with can the motor-driven of rotating be connected, the other end is connected respectively by belt pulley one end with the first screw mandrel and the second screw mandrel, the first described screw mandrel and the second screw mandrel are all parallel to ground and arrange, the first described screw mandrel is positioned at the below of the second screw mandrel, and the first described screw mandrel and the second screw mandrel are arranged vertically, the first described screw mandrel and the other end of the second screw mandrel are connected in described frame by coupling shaft,
The first described screw mandrel is arranged with the first slide block of band ball nut, the top linking springs coupling arrangement of the first described slide block, the top of described spring connector is connected with a line slideway; The second described screw mandrel is arranged with the second slide block of band ball nut, the second described slide block is arranged in described line slideway, under the rotation of the first described screw mandrel, drive the first slide block to move, the first described slide block drives line slideway and the second screw mandrel to move along X-direction;
The frame that the both sides of the second described screw mandrel are corresponding is provided with the arc guide rail of band curvature, the second described screw mandrel can move on arc guide rail.
2. intellectual and interesting type cyclic train Synthetic educational appliance as claimed in claim 1, it is characterized in that: the described first variable fixed gear cyclic train comprises the first main drive shaft and the first driven shaft and the first variable number of teeth fixed gear, first planet gear that coaxially arrange, one end of the first described main drive shaft drives with the rotation axis of motor and is connected, the end of the first described driven shaft is provided with belt pulley, is connected between described belt pulley with the first screw mandrel by belt; The first described main drive shaft and the first driven shaft are provided with the first described variable number of teeth fixed gear respectively by axle sleeve, described first variable number of teeth fixed gear is meshed with first planet gear respectively, described first planet gear is symmetrical arranged relative to the center line of the first main drive shaft, and the bottom of described first planet gear is provided with belt pulley, is connected between the belt pulley of bottom by belt; Described first planet gear is arranged in described frame by planet carrier, and described planet carrier is provided with the position adjusting mechanism that can slide along the in-plane of variable number of teeth fixed gear, described position adjusting mechanism is connected with described first planet gear.
3. intellectual and interesting type cyclic train Synthetic educational appliance as claimed in claim 2, it is characterized in that: the described second variable fixed gear cyclic train comprises the second main drive shaft, second driven shaft, second variable number of teeth fixed gear, second planet wheel, spiral gear, one end of the second described main drive shaft drives with the rotation axis of motor and is connected, the second described main drive shaft and the second driven shaft are respectively arranged with the second variable number of teeth fixed gear, described second variable number of teeth fixed gear is meshed with the second planet wheel respectively, the second described planet wheel is symmetrical arranged relative to the center line of the second main drive shaft, and the described second planetary bottom is provided with belt pulley, connected by belt between the belt pulley of bottom, the second described planet wheel is arranged in described frame by planet carrier, described planet carrier is provided with the position adjusting mechanism that can slide along the in-plane of the second variable number of teeth fixed gear, described position adjusting mechanism is connected with the second described planet wheel, the other end of the second described driven shaft is connected by described spiral gear one end with the output shaft be arranged in frame, and the other end of described output shaft is connected with the second screw mandrel by belt, belt pulley.
4. intellectual and interesting type cyclic train Synthetic educational appliance as claimed in claim 3, it is characterized in that: described apparatus for adjusting position comprises and along the 3rd slide block of planet carrier length direction movement, the 3rd described slide block can be mounted with described first planet gear or the second planet wheel.
5. intellectual and interesting type cyclic train Synthetic educational appliance as claimed in claim 4, is characterized in that: described spring connector is the some springs be arranged in parallel, the line slideway described in the connection of top of described spring, the first slide block described in bottom connects.
6. intellectual and interesting type cyclic train Synthetic educational appliance as claimed in claim 5, is characterized in that: the two ends of described line slideway and the bottom of arc guide rail touch.
7. intellectual and interesting type cyclic train Synthetic educational appliance as claimed in claim 6, is characterized in that: the first described main drive shaft, the second main drive shaft, the first driven shaft and the second driven shaft are provided with angle scale.
8. intellectual and interesting type cyclic train Synthetic educational appliance as claimed in claim 7, is characterized in that: the number of gears of the described first variable number of teeth fixed gear and the second variable number of teeth fixed gear is 12,13 or 14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520036730.7U CN204537606U (en) | 2015-01-20 | 2015-01-20 | Intellectual and interesting type cyclic train Synthetic educational appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520036730.7U CN204537606U (en) | 2015-01-20 | 2015-01-20 | Intellectual and interesting type cyclic train Synthetic educational appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204537606U true CN204537606U (en) | 2015-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520036730.7U Expired - Fee Related CN204537606U (en) | 2015-01-20 | 2015-01-20 | Intellectual and interesting type cyclic train Synthetic educational appliance |
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| Country | Link |
|---|---|
| CN (1) | CN204537606U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114299796A (en) * | 2022-02-28 | 2022-04-08 | 淮阴工学院 | Mechanical transmission stepless speed change science popularization interaction exhibition teaching equipment |
-
2015
- 2015-01-20 CN CN201520036730.7U patent/CN204537606U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114299796A (en) * | 2022-02-28 | 2022-04-08 | 淮阴工学院 | Mechanical transmission stepless speed change science popularization interaction exhibition teaching equipment |
| CN114299796B (en) * | 2022-02-28 | 2023-12-01 | 淮阴工学院 | Mechanical transmission stepless speed change science popularization interaction exhibition teaching equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 Termination date: 20180120 |