CN108665779A - A kind of mechanical design course combination practical training simulated device - Google Patents
A kind of mechanical design course combination practical training simulated device Download PDFInfo
- Publication number
- CN108665779A CN108665779A CN201810039449.7A CN201810039449A CN108665779A CN 108665779 A CN108665779 A CN 108665779A CN 201810039449 A CN201810039449 A CN 201810039449A CN 108665779 A CN108665779 A CN 108665779A
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- China
- Prior art keywords
- gear
- shaft
- axis
- belt
- gear shaft
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
- G09B25/02—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of industrial processes; of machinery
Abstract
The invention discloses a kind of mechanical design courses to combine practical training simulated device, including babinet, the side of the babinet is equipped with first gear axis and second gear axis, the first gear axis and the second gear axis are arranged in parallel, one end of the first gear axis is equipped with first gear, the second gear axis is equipped with second gear and the 5th gear, and the second gear and the first gear are meshed.The present invention can intuitively show speed reducer internal gear meshing relation, and by being driven matching relationship between different gears, obtain different rotating speeds data effectively can help student to understand knowledge point to verify the relationship between speed reducer speed ratio and number of gear teeth.
Description
Technical field
The present invention relates to teaching mode technical field, specially a kind of mechanical design course combines practical training simulated device.
Background technology
Transmission ratio is the ratio of two revolving member angular speed in mechanism, also referred to as speed ratio.Speed reducer speed ratio be exactly input shaft and
The rotating ratio of output shaft.Speed reducer principle is generally used for the drive apparatus of low rotation speed large torque, motor, internal combustion engine or other
Gear wheel on the small gear engagement output shaft of the number of teeth on input shaft that the power to run at high speed passes through speed reducer subtracts to reach
The purpose of speed, common speed reducer also has several reaches ideal slowing effect, the number of teeth of big pinion gear to same principle gear
The ratio between, it is exactly that transmission ratio is also referred to as reduction ratio.In mechanical design course, the speed ratio of speed reducer is the learning Content of an emphasis,
In learning process, student generally it is actual can only to be difficult to understand for speed reducer by textbook theories of learning knowledge by textbook
Direct matching relationship between moderating process and gear.Therefore, it designs a intuitive mechanical design course and combines practical training simulated
Device is very necessary.
Invention content
In order to overcome above-mentioned technical problem, the purpose of the present invention is to provide a kind of mechanical design courses to combine practical training simulated
Device.
Purpose according to the present invention, provides the following technical solutions：A kind of mechanical design course combination practical training simulated device, packet
Babinet is included, the side of the babinet is equipped with first gear axis and second gear axis, the first gear axis and the second gear
Axis is arranged in parallel, and one end of the first gear axis is equipped with first gear, and the second gear axis is equipped with second gear and the
Five gears, the second gear and the first gear are meshed；
The other side of the babinet is equipped with third gear shaft and the 4th gear shaft, the third gear shaft and the 4th tooth
Wheel shaft is arranged in parallel, and one end of the third gear shaft is equipped with third gear, and one end of the 4th gear shaft is equipped with the 4th tooth
Wheel, the third gear shaft and the 4th gear shaft can make the third gear or institute in the slide over side walls of the babinet
The 4th gear is stated to engage with the 5th gear；
The other end of the third gear shaft and the 4th gear shaft is separately connected there are one belt conveyer roller, two institutes
It states and is wound with belt on belt conveyer roller, the belt is equipped with speed measuring device；
The other end of the first gear axis is connect with the first belt pulley, and first belt pulley passes through transmission belt and second
Belt pulley connects, the output axis connection of second belt pulley and motor.
Motor drives the first gear on first gear axis to rotate by the second belt pulley and the first belt pulley, the first tooth
Wheel drives the second gear rotation being engaged with, and the 5th gear on second gear axis is dynamic with second gear shaft rotation, by artificial
Adjust third gear shaft or the 4th gear shaft, third gear may be implemented and engage with the 5th gear, or the 4th gear of realization and
5th gear engages.When third gear is engaged with the 5th gear, third gear shaft drives the belt conveyer roller being attached thereto to drive
Dynamic belt rotation, the speed of belt feeder is measured by speed measuring device；When the 4th gear is engaged with the 5th gear, the 4th gear shaft
The belt conveyer roller drive belt rotation being attached thereto is driven, the speed of belt feeder is measured by speed measuring device.By comparing the
Three gears or the 4th gear belt feeder speed different when driving can compare the relationship of reducer gear engagement, to which verification subtracts
The relationship of fast machine speed ratio.
Further, the speed measuring device is the rotary velocity sensor of contact.The rotary velocity sensor of contact
It is in direct contact with belt, when belt is contacted with rotary velocity sensor, frictional force drives the idler wheel rotation of sensor.It is mounted in
Rotational pulse sensor on idler wheel, sends out a series of pulse.Each pulse represents a certain distance value, to energy
Measure linear velocity.
Further, the number of teeth of the second gear is more than the number of teeth of the first gear, the number of teeth of the 5th gear
Less than the number of teeth of the second gear.
Further, the number of teeth of the third gear is less than the number of teeth of the 4th gear.
Further, between the third gear shaft and the 4th gear shaft and the shaft of the belt conveyer roller respectively
It is connected by shaft coupling.The connection between third gear shaft or the 4th gear shaft can be easily realized by shaft coupling.
Further, it is connected by shaft coupling between the first gear axis and the shaft of first belt pulley.Pass through
Shaft coupling can easily realize the connection between first gear axis and the first belt pulley.
Further, the bottom of the motor is equipped with pedestal.
Further, the part that the third gear shaft and the 4th gear shaft are located on the outside of the babinet is respectively equipped with
One rubber sleeve, the rubber sleeve are set on the third gear shaft or the 4th gear shaft.Rubber sleeve and third gear
It closely connects between axis or the 4th gear shaft, third gear shaft or the 4th gear shaft can be positioned by rubber sleeve, when
It manually adjusts after the 4th gear on third gear or the 4th gear shaft on third gear shaft engages with the 5th gear, Ke Yitong
Rubber sleeve is crossed to position third gear shaft and the 4th gear shaft.
Compared with prior art, beneficial effects of the present invention are as follows：
1. a kind of mechanical design course of the present invention combines practical training simulated device, speed reducer internal gear can be intuitively shown
Meshing relation obtains different rotating speeds data, to verify speed reducer speed ratio and tooth by being driven matching relationship between different gears
Relationship between tooth number effectively can help student to understand knowledge point.
2. a kind of mechanical design course of the present invention combines practical training simulated device, by changing third gear shaft or the 4th gear
Sliding of the axis along wall box so that third gear or the 4th gear are meshed with the 5th gear, to realize meshing gear
Change, relationship is obtained between belt feeder velocity variations verification reduction ratio and speed by measuring.
Description of the drawings
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of motor of the embodiment of the present invention and pedestal；
Fig. 3 is the structural schematic diagram between speed measuring device of the embodiment of the present invention and belt feeder.
In figure, 1- babinets, 2- first gear axis, 3- second gear axis, 4- first gears, 5- second gears, the 5th teeth of 6-
Wheel, 7- third gear shafts, the 4th gear shafts of 8-, 9- third gears, the 4th gears of 10-, 11- belt conveyer rollers, 12- shaft couplings,
13- speed measuring devices, 14- rubber sleeves, the first belt pulleys of 15-, the second belt pulleys of 16-, 17- motor, 18- pedestals, 19- crossbeams,
20- hanging ropes, 21- belt feeders.
Specific implementation mode
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
As shown in Figure 1, Figure 2 and Figure 3, a kind of mechanical design course combines practical training simulated device, including babinet 1, babinet 1
Side is equipped with first gear axis 2 and second gear axis 3, and first gear axis 2 and 3 axis of second gear are arranged in parallel, first gear axis 2
One end be equipped with first gear 4, second gear axis 3 is equipped with second gear 5 and the 5th gear 6, second gear 5 and first gear
4 are meshed；
The other side of babinet 1 is equipped with third gear shaft 7 and the 4th gear shaft 8, and third gear shaft 7 and the 4th gear shaft 8 are flat
One end of row setting, third gear shaft 7 is equipped with third gear 9, and one end of the 4th gear shaft 8 is equipped with the 4th gear 10, third tooth
Wheel shaft 7 and the 4th gear shaft 8 can make third gear 9 or the 4th gear 10 be nibbled with the 5th gear 6 in the slide over side walls of babinet 1
It closes；The number of teeth of second gear 5 is more than the number of teeth of first gear 4, and the number of teeth of the 5th gear 6 is less than the number of teeth of second gear 5, third
The number of teeth of gear 9 is less than the number of teeth of the 4th gear 10.
The other end of third gear shaft 7 and the 4th gear shaft 8 is separately connected there are one belt conveyer roller 11, third gear shaft
7 and the 4th are connected respectively by shaft coupling 12 between gear shaft 8 and the shaft of belt conveyer roller 11, can be square by shaft coupling 12
Just the connection between realization third gear shaft 7 or the 4th gear shaft 8.It is wound with belt, belt on two belt conveyer rollers 11
It is equipped with speed measuring device 13, speed measuring device is the rotary velocity sensor of contact.The rotary velocity sensor of contact and skin
Band is in direct contact, and when belt is contacted with rotary velocity sensor, frictional force drives the idler wheel rotation of sensor.Mounted in idler wheel
On rotational pulse sensor, send out a series of pulse.Each pulse represents a certain distance value, to measure
Linear velocity.Speed measuring device 13 is tested the speed by crossbeam 19 and the hanging of hanging rope 20 on belt feeder 21.
The part that third gear shaft 7 and the 4th gear shaft 8 are located at 1 outside of babinet is respectively equipped with a rubber sleeve 14, rubber
Set 14 is set on third gear shaft 7 or the 4th gear shaft 8.It is tight between rubber sleeve 14 and third gear shaft 7 or the 4th gear shaft 8
Close connection can position third gear shaft 7 or the 4th gear shaft 8 by rubber sleeve 14, when manually adjusting third gear
After the 4th gear 10 on third gear 9 or the 4th gear shaft 8 on axis 7 is engaged with the 5th gear 6, rubber sleeve 14 can be passed through
Third gear shaft 7 and the 4th gear shaft 8 are positioned.
The other end of first gear axis 2 is connect with the first belt pulley 15, the shaft of first gear axis 2 and the first belt pulley 15
Between connected by shaft coupling 12.It can easily be realized between first gear axis 2 and the first belt pulley 15 by shaft coupling 12
Connection.First belt pulley 15 is connect by transmission belt with the second belt pulley 16, the output of the second belt pulley 16 and motor 17
The bottom of axis connection, motor 17 is equipped with pedestal 18.
In use, motor 17 drives first on first gear axis 2 by the second belt pulley 16 and the first belt pulley 15
Gear 4 rotates, and first gear 4 drives the second gear 5 being engaged with to rotate, and the 5th gear 6 on second gear axis 3 is with second
Gear shaft 3 rotates, and by manually adjusting third gear shaft 7 or the 4th gear shaft 8, third gear 9 and the 5th gear 6 may be implemented
Engagement, or realize that the 4th gear 10 is engaged with the 5th gear 6.When third gear 9 is engaged with the 5th gear 6, third gear
Axis 7 drives the belt conveyer roller drive belt rotation being attached thereto, and the speed of belt feeder is measured by speed measuring device；When the 4th tooth
When wheel 10 is engaged with the 5th gear 6, the 4th gear shaft 8 drives the belt conveyer roller drive belt rotation being attached thereto, and passes through survey
Speed variator measures the speed of belt feeder.Different belt feeder speed can when being driven by comparing third gear 9 or the 4th gear 10
To compare the relationship of reducer gear engagement, to verify the relationship of speed reducer speed ratio.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of mechanical design course combines practical training simulated device, which is characterized in that including babinet, the side of the babinet is equipped with
First gear axis and second gear axis, the first gear axis and the second gear axis are arranged in parallel, the first gear axis
One end be equipped with first gear, the second gear axis is equipped with second gear and the 5th gear, the second gear and described
First gear is meshed；
The other side of the babinet is equipped with third gear shaft and the 4th gear shaft, the third gear shaft and the 4th gear shaft
It is arranged in parallel, one end of the third gear shaft is equipped with third gear, and one end of the 4th gear shaft is equipped with the 4th gear, institute
The third gear or described can be made in the slide over side walls of the babinet by stating third gear shaft and the 4th gear shaft
Four gears are engaged with the 5th gear；
The other end of the third gear shaft and the 4th gear shaft is separately connected there are one belt conveyer roller, two skins
Belt is wound on band machine cylinder, the belt is equipped with speed measuring device；
The other end of the first gear axis is connect with the first belt pulley, and first belt pulley passes through transmission belt and the second belt
Wheel connection, the output axis connection of second belt pulley and motor.
2. a kind of mechanical design course combines practical training simulated device according to claim 1, which is characterized in that the dress that tests the speed
It is set to the rotary velocity sensor of contact.
3. a kind of mechanical design course combines practical training simulated device according to claim 1, which is characterized in that second tooth
The number of teeth of wheel is more than the number of teeth of the first gear, and the number of teeth of the 5th gear is less than the number of teeth of the second gear.
4. a kind of mechanical design course combines practical training simulated device according to claim 1, which is characterized in that the third tooth
The number of teeth of wheel is less than the number of teeth of the 4th gear.
5. a kind of mechanical design course combines practical training simulated device according to claim 1, which is characterized in that the third tooth
It is connected respectively by shaft coupling between wheel shaft and the 4th gear shaft and the shaft of the belt conveyer roller.
6. a kind of mechanical design course combines practical training simulated device according to claim 1, which is characterized in that first tooth
It is connected by shaft coupling between wheel shaft and the shaft of first belt pulley.
7. a kind of mechanical design course combines practical training simulated device according to claim 1, which is characterized in that the motor
Bottom be equipped with pedestal.
8. a kind of mechanical design course combines practical training simulated device according to claim 1, which is characterized in that the third tooth
Wheel shaft and the 4th gear shaft are located at the part on the outside of the babinet and are respectively equipped with a rubber sleeve, and the rubber sleeve is set in
On the third gear shaft or the 4th gear shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810039449.7A CN108665779A (en) | 2018-01-16 | 2018-01-16 | A kind of mechanical design course combination practical training simulated device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810039449.7A CN108665779A (en) | 2018-01-16 | 2018-01-16 | A kind of mechanical design course combination practical training simulated device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108665779A true CN108665779A (en) | 2018-10-16 |
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ID=63785055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810039449.7A Pending CN108665779A (en) | 2018-01-16 | 2018-01-16 | A kind of mechanical design course combination practical training simulated device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108665779A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040018909A1 (en) * | 2000-10-04 | 2004-01-29 | Su-Yang Hwa | Planetary gear apparatus |
| CN204066590U (en) * | 2014-09-06 | 2014-12-31 | 成都大学 | A kind of mechanical speed difference principle demonstration teaching aid |
| CN204576961U (en) * | 2015-01-28 | 2015-08-19 | 玉林师范学院 | A kind of single-power mechanical drive integrated demonstration instrument |
| CN205334836U (en) * | 2015-12-31 | 2016-06-22 | 苏州工业职业技术学院 | Servo motor speed control's teaching experiment device |
| CN205375961U (en) * | 2016-01-19 | 2016-07-06 | 齐齐哈尔齐三机床有限公司 | Gear drive speed control mechanism demonstration rehearsal device |
-
2018
- 2018-01-16 CN CN201810039449.7A patent/CN108665779A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040018909A1 (en) * | 2000-10-04 | 2004-01-29 | Su-Yang Hwa | Planetary gear apparatus |
| CN204066590U (en) * | 2014-09-06 | 2014-12-31 | 成都大学 | A kind of mechanical speed difference principle demonstration teaching aid |
| CN204576961U (en) * | 2015-01-28 | 2015-08-19 | 玉林师范学院 | A kind of single-power mechanical drive integrated demonstration instrument |
| CN205334836U (en) * | 2015-12-31 | 2016-06-22 | 苏州工业职业技术学院 | Servo motor speed control's teaching experiment device |
| CN205375961U (en) * | 2016-01-19 | 2016-07-06 | 齐齐哈尔齐三机床有限公司 | Gear drive speed control mechanism demonstration rehearsal device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181016 |
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| RJ01 | Rejection of invention patent application after publication |