CN105913753A - Mechanical principle experiment teaching aid - Google Patents
Mechanical principle experiment teaching aid Download PDFInfo
- Publication number
- CN105913753A CN105913753A CN201610384146.XA CN201610384146A CN105913753A CN 105913753 A CN105913753 A CN 105913753A CN 201610384146 A CN201610384146 A CN 201610384146A CN 105913753 A CN105913753 A CN 105913753A
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- bevel gear
- teaching aid
- upper box
- transmission shaft
- power transmission
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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
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- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Instructional Devices (AREA)
Abstract
A mechanical principle experiment teaching aid comprises a lower box body, a middle rotation device, an upper box body, a display plate, a demonstration teaching aid and a differential. The middle rotation device is arranged on the top part of the lower box body. The middle rotation device is capable of rotating around a vertical axis thereof. The upper box body is arranged on the middle rotation device. The display plate is arranged on the outer surface of the upper box body. The demonstration teaching aid is arranged on the display plate. The differential is arranged in the upper box body. The differential is provided with a transmission shaft. The transmission shaft extends out from the upper box body to be connected with the demonstration teaching aid. The transmission shaft provides power to the demonstration teaching tool. According to the invention, the differential is arranged in the upper box body, and the transmission shaft on the differential extends out from the upper box body to be connected with the demonstration teaching aid. Power is conveniently provided by the transmission shaft, and the movement of a mechanical mechanism is visually demonstrated, so that students are enabled to visually understand the movement rule of the mechanism and rapidly understand the movement relations among members while learning a mechanical principle course, and the understanding to machinery is deepened.
Description
Technical field
The present invention relates to teaching aid technical field, particularly relate to a kind of theory of mechanics experiment teaching aid.
Background technology
In terms of current teaching, the education of China concern total marks of the examination simply and have ignored understanding and the manipulative ability of students, teaching process lacks the teaching appliance of actual presentation, lacks teaching aid and allow teaching become dull language to describe.Teaching aid is the material object for the purpose of propagating science and technology, education people, is sci-tech mass media completely, is indispensable equipment in teenager scientific and technological activities.Teaching aid in scientific and technological activities has object visual and copy teaching aid.The teaching aid of the educational stage that at present junior middle school, senior middle school, university's these three are important extremely lacks, and the senior middle school of Most students, junior middle school, university do not use teaching aid on classroom.
For theory of mechanics, the Machine Design of Techniques for Machinery Students, covering number of types of basic mechanical realization, they can realize the motion in various path.These mechanisms have simple, also have complexity, and on classroom, these mechanisms are difficult in the brain of student form a ratio more completely image in kind.The motion path of mechanism and principle also seem fuzzy in the brain of student, unintelligible.Therefore, a kind of experiment teaching aid gathering theory of mechanics, convenient combination, installation, the class demonstration teaching aid of motion demonstrating are extremely necessary.
Summary of the invention
It is an object of the invention to overcome the shortcoming of prior art, it is provided that the theory of mechanics experiment teaching aid of the basic mechanical mechanism of a kind of ease of assembly.
For solving above-mentioned technical problem, present invention employs techniques below measure:
A kind of theory of mechanics experiment teaching aid, including lower box, middle rotary apparatus, upper box, Graphic Panel, demonstration teaching aid and differential mechanism, described middle rotary apparatus is located at the top of lower box, described middle rotary apparatus can rotate around its vertical axis, described upper box is located on middle rotary apparatus, described Graphic Panel is located on upper box outer surface, described demonstration teaching aid is located on Graphic Panel, described differential mechanism is located in upper box, described differential mechanism is provided with power transmission shaft, described power transmission shaft stretches out upper box and is connected with demonstration teaching aid, described power transmission shaft provides power for demonstration teaching aid.
The present invention can also be the most perfect by techniques below measure:
As improving further, described differential mechanism includes:
Power transmission shaft, including side jackshaft and top jackshaft, described side jackshaft stretches out from the sidewall of upper box, and described top jackshaft stretches out from the roof of upper box；
Active conical tooth wheels, including motor, connecting shaft and drive bevel gear, described drive bevel gear is connected with motor by connecting shaft, it is provided that power source, the flank of tooth of described drive bevel gear is upward；
Bevel gear A, is connected with side jackshaft, and described bevel gear A engages with drive bevel gear；
Bevel gear B, is connected with top jackshaft, and the described bevel gear B flank of tooth engages with bevel gear A down；
Support, described power transmission shaft, active conical tooth wheels, bevel gear A and bevel gear B are located on support.
As improving further, including four bevel gear A, described four bevel gear A are evenly spaced on the flank of tooth of active conical tooth wheels, described upper box is rectangular structure, described each bevel gear A correspondence connects a side jackshaft, and described four side jackshafts stretch out from the four of upper box sidewalls respectively.
As improving further, described support includes fixed part, lower house and upper shell, and described fixed part is fixing with upper box to be connected, and is fixed in upper box by differential mechanism；Described upper shell fastens with lower house and forms hollow chamber, and described drive bevel gear, bevel gear A and bevel gear B are positioned at hollow chamber, and described connecting shaft and connecting shaft are located on support respectively.
As improving further, it is respectively equipped with side through hole on four sidewalls at described upper shell and lower house fastening, described side jackshaft is connected through side through hole with bevel gear A, described upper shell upwards arches mounting bridge A, offering top through hole in described mounting bridge A, described top jackshaft is connected with bevel gear B through top through hole, and described lower house arches downwards mounting bridge B, offering bottom through-hole in described mounting bridge B, described connecting shaft is connected through bottom through-hole with drive bevel gear.
As improving further, described Graphic Panel is slab construction, and described Graphic Panel offers installing hole, one end of described power transmission shaft passes from installing hole, described mounting hole site offers multiple hole arranged on the centre position of Graphic Panel, described Graphic Panel, and the installation for demonstration teaching aid is fixed.
As improving further, described power transmission shaft and support junction are provided with bearing, and described power transmission shaft and Graphic Panel junction also are provided with bearing.
As improving further, one end that described power transmission shaft is connected with Graphic Panel is provided with screwed hole or gear key.
As improving further, described middle rotary apparatus includes that rotating shaft and rotating disk, described rotating shaft are rotatably connected with lower box, and described rotating disk is located at the top of rotating shaft, and described upper box is fixed on rotating disk, and described upper box can rotate with the rotation of rotating shaft.
As improving further, described lower box is provided with drawer box, and described drawer box is used for placing demonstration teaching aid or parts.
Compared with prior art, the invention have the advantages that
1, being connected by middle rotary apparatus with lower box by upper box, so, upper box can rotate relative to lower box.Conveniently rotate upper box as required, show demonstration teaching aids different on upper box, meet teaching demand.
2, by arranging differential mechanism in upper box, the power transmission shaft on differential mechanism stretches out upper box and is connected with demonstration teaching aid.When demonstration teaching aid needs demonstration machinery mechanism kinematic form, power can be provided easily by power transmission shaft.Realizing the ocular demonstration of mechanical mechanism motion out, make student can get information about the characteristics of motion of mechanism when learning mechanical principle course, in energy fast understanding mechanism, the movement relation of each component, deepens the understanding to machinery.
3, offering installing hole on Graphic Panel, power transmission shaft stretches out from installing hole and is connected with demonstration teaching aid, it is provided that power.And it is additionally provided with multiple hole arranged on Graphic Panel, facilitate the installation of the parts of demonstration teaching aid to fix.By arranging Graphic Panel, suitable part can be selected to carry out assembling combination, there is the advantages such as easy accessibility, the independent assortment realizing mechanical mechanism.
4, upper box is set to rectangular structure, differential mechanism is correspondingly provided with a four bevel gear A and bevel gear B.So sidewall and five faces of roof of upper box may be used to arrange demonstration teaching aid.Drive bevel gear band dynamic bevel gear A rotates, and bevel gear A band dynamic bevel gear B again rotates, and only need to arrange a motor, can arrange the power transmission shaft of multiple dynamic output on upper box.There is structure optimization, the practical and advantage that can arrange multiple demonstration teaching aid.
Accompanying drawing explanation
Accompanying drawing 1 is the general assembly schematic diagram of theory of mechanics experiment teaching aid of the present invention；
Accompanying drawing 2 is the front view that in theory of mechanics experiment teaching aid shown in accompanying drawing 1, lower box and middle rotary apparatus assemble；
Accompanying drawing 3 is the schematic perspective view of differential mechanism in theory of mechanics experiment teaching aid shown in accompanying drawing 1；
Accompanying drawing 4 is the schematic perspective view removing support in differential mechanism shown in accompanying drawing 3；
Accompanying drawing 5 is the schematic perspective view of Graphic Panel in theory of mechanics experiment teaching aid shown in accompanying drawing 1.
Detailed description of the invention
With detailed description of the invention, the present invention is described in further detail below in conjunction with the accompanying drawings.
Refer to Fig. 1 to Fig. 5, a kind of theory of mechanics experiment teaching aid 100, including lower box 2, middle rotary apparatus 3, upper box 1, Graphic Panel 4, demonstration teaching aid 5 and differential mechanism.Described middle rotary apparatus 3 is located at the top of lower box 2, and described middle rotary apparatus 3 can rotate around its vertical axis, and described upper box 1 is located on middle rotary apparatus 3.Described Graphic Panel 4 is located on upper box 1 outer surface, and described demonstration teaching aid 5 is located on Graphic Panel 4.Described differential mechanism is located in upper box 1, and described differential mechanism is provided with power transmission shaft 61, and described power transmission shaft 61 stretches out upper box 1 and is connected with demonstration teaching aid 5, and described power transmission shaft 61 provides power for demonstration teaching aid 5.
By arranging differential mechanism in upper box 1, the power transmission shaft 61 on differential mechanism stretches out upper box 1 and is connected with demonstration teaching aid 5.When demonstration teaching aid 5 needs demonstration machinery mechanism kinematic form, power can be provided easily by power transmission shaft 61.Realizing the ocular demonstration of mechanical mechanism motion out, make student can get information about the characteristics of motion of mechanism when learning mechanical principle course, in energy fast understanding mechanism, the movement relation of each component, deepens the understanding to machinery.
Differential mechanism includes: power transmission shaft 61, and including side jackshaft 611 and top jackshaft 612, described side jackshaft 611 stretches out from the sidewall of upper box 1, and described top jackshaft 612 stretches out from the roof of upper box 1；Drive bevel gear 631 group 63, including motor 633, connecting shaft 632 and drive bevel gear 631, described drive bevel gear 631 is connected with motor 633 by connecting shaft 632, it is provided that power source, the flank of tooth of described drive bevel gear 631 is upward；Bevel gear A65, is connected with side jackshaft 611, and described bevel gear A65 engages with drive bevel gear 631；Bevel gear B64, is connected with top jackshaft 612, and the described bevel gear B64 flank of tooth engages with bevel gear A65 down；Support 62, described power transmission shaft 61, drive bevel gear 631 group 63, bevel gear A65 and bevel gear B64 are located on support 62.Wherein, drive bevel gear 631, bevel gear A65, bevel gear B64 are straight bevel gear or helical bevel gear or helical tooth bevel gear.
In embodiment, including four bevel gear A65, described four bevel gear A65 are evenly spaced on the flank of tooth of drive bevel gear 631 group 63, described upper box 1 is rectangular structure, described each bevel gear A65 correspondence connects a side jackshaft 611, and described four side jackshafts 611 stretch out from the four of upper box 1 sidewalls respectively.
Upper box 1 is set to rectangular structure, differential mechanism is correspondingly provided with a four bevel gear A65 and bevel gear B64.So sidewall and five faces of roof of upper box 1 may be used to arrange demonstration teaching aid 5.Drive bevel gear 631 band dynamic bevel gear A65 rotates, and bevel gear A65 band dynamic bevel gear B64 again rotates, and only need to arrange a motor 633, can arrange the power transmission shaft 61 of multiple dynamic output on upper box 1.There is structure optimization, the practical and advantage that can arrange multiple demonstration teaching aid 5.
Described support 62 includes fixed part 623, lower house 622 and upper shell 621, and described fixed part 623 is fixing with upper box 1 to be connected, and is fixed on by differential mechanism in upper box 1, and described lower house 622 is fixed on fixed part 623.Described upper shell 621 fastens with lower house 622 and forms hollow chamber, and described drive bevel gear 631, bevel gear A65 and bevel gear B64 are positioned at hollow chamber, and described connecting shaft 632 is located on support 62 respectively with connecting shaft 632.
It is respectively equipped with side through hole on four sidewalls at described upper shell 621 and lower house 622 fastening, described side jackshaft 611 is connected through side through hole with bevel gear A65, described upper shell 621 upwards arches mounting bridge A, top through hole is offered in described mounting bridge A, described top jackshaft 612 is connected through top through hole with bevel gear B64, described lower house 622 arches downwards mounting bridge B, offering bottom through-hole in described mounting bridge B, described connecting shaft 632 is connected through bottom through-hole with drive bevel gear 631.Top through hole, side through hole are set on support 62, and support 62 by arranging, are used for installing each power transmission shaft 61, limit the skew of power transmission shaft 61, more accurate during teaching aid demonstration.Described power transmission shaft 61 and support 62 junction are provided with bearing, and described power transmission shaft 61 also is provided with bearing with Graphic Panel 4 junction, reduces support 62, Graphic Panel 4 and the abrasion of power transmission shaft 61, increase the service life.
Described Graphic Panel 4 is slab construction, offering installing hole 42 on described Graphic Panel 4, one end of described power transmission shaft 61 passes from installing hole 42, and described installing hole 42 is positioned at the centre position of Graphic Panel 4, offering multiple hole arranged 41 on described Graphic Panel 4, the installation for demonstration teaching aid 5 is fixed.Preferably, hole arranged 41 regular arrays, on Graphic Panel 4, make arranging of teaching aid more convenient.Demonstration teaching aid 5 can use the structure of bolt and nut to be fixed on Graphic Panel 4.Offering installing hole 42 on Graphic Panel 4, power transmission shaft 61 stretches out from installing hole 42 and is connected with demonstration teaching aid 5, it is provided that power.And on Graphic Panel 4, it is additionally provided with multiple hole arranged 41, facilitate the installation of the parts of demonstration teaching aid 5 to fix.By arranging Graphic Panel 4, suitable part can be selected to carry out assembling combination, there is the advantages such as easy accessibility, the independent assortment realizing mechanical mechanism.One end that described power transmission shaft 61 is connected with Graphic Panel 4 is provided with screwed hole or gear key.It is connected by bolt the parts of demonstration teaching aid 5 can be connected with power transmission shaft 61 with screwed hole, if gear can be connected with power transmission shaft 61 by gear key.Described gear key is dismantled and assembled, it is not necessary to time can take off.A power transmission shaft 61 can be provided with screwed hole and gear key simultaneously, it is also possible to be to be arranged as required to one of which.
Described middle rotary apparatus 3 includes that rotating shaft 31 and rotating disk 32, described rotating shaft 31 are rotatably connected with lower box 2, and described rotating disk 32 is located at the top of rotating shaft 31, and described upper box 1 is fixed on rotating disk 32, and described upper box 1 can rotate with the rotation of rotating shaft 31.Being connected by middle rotary apparatus 3 with lower box 2 by upper box 1, so, upper box 1 can rotate relative to lower box 2.Convenient rotation upper box 1 as required, shows demonstration teaching aids 5 different on upper box 1, meets teaching demand.So, when needing multiple demonstration teaching aid 5 on a classroom, multiple demonstration teaching aid 5 is not set on a plate launched, simplifies demonstration teaching aid 5.
Described lower box 2 is provided with drawer box 21, and described drawer box 21 is used for placing demonstration teaching aid 5 or parts.In embodiment, lower box 2 is provided with multiple drawer box 21, by the parts of demonstration teaching aid 5, is used for the regular categorised collections such as the parts fixed in drawer box 21.The bottom of lower box 2 is additionally provided with roller 22, facilitates the movement of lower box 2.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. done, within should be included in the scope of protection of the invention.
Claims (10)
1. a theory of mechanics experiment teaching aid, it is characterized in that: include lower box, middle rotary apparatus, upper box, Graphic Panel, demonstration teaching aid and differential mechanism, described middle rotary apparatus is located at the top of lower box, described middle rotary apparatus can rotate around its vertical axis, described upper box is located on middle rotary apparatus, described Graphic Panel is located on upper box outer surface, described demonstration teaching aid is located on Graphic Panel, described differential mechanism is located in upper box, described differential mechanism is provided with power transmission shaft, described power transmission shaft stretches out upper box and is connected with demonstration teaching aid, described power transmission shaft provides power for demonstration teaching aid.
2. the theory of mechanics experiment teaching aid described in a claim 1, it is characterised in that: described differential mechanism includes:
Power transmission shaft, including side jackshaft and top jackshaft, described side jackshaft stretches out from the sidewall of upper box, and described top jackshaft stretches out from the roof of upper box；
Active conical tooth wheels, including motor, connecting shaft and drive bevel gear, described drive bevel gear is connected with motor by connecting shaft, it is provided that power source, the flank of tooth of described drive bevel gear is upward；
Bevel gear A, is connected with side jackshaft, and described bevel gear A engages with drive bevel gear；
Bevel gear B, is connected with top jackshaft, and the described bevel gear B flank of tooth engages with bevel gear A down；
Support, described power transmission shaft, active conical tooth wheels, bevel gear A and bevel gear B are located on support.
3. the theory of mechanics experiment teaching aid described in a claim 2, it is characterized in that: include four bevel gear A, described four bevel gear A are evenly spaced on the flank of tooth of active conical tooth wheels, described upper box is rectangular structure, described each bevel gear A correspondence connects a side jackshaft, and described four side jackshafts stretch out from the four of upper box sidewalls respectively.
4. the theory of mechanics experiment teaching aid described in a claim 3, it is characterised in that: described support includes fixed part, lower house and upper shell, and described fixed part is fixing with upper box to be connected, and is fixed in upper box by differential mechanism；Described upper shell fastens with lower house and forms hollow chamber, and described drive bevel gear, bevel gear A and bevel gear B are positioned at hollow chamber, and described connecting shaft and connecting shaft are located on support respectively.
5. the theory of mechanics experiment teaching aid described in a claim 4, it is characterized in that: on four sidewalls at described upper shell and lower house fastening, be respectively equipped with side through hole, described side jackshaft is connected through side through hole with bevel gear A, described upper shell upwards arches mounting bridge A, top through hole is offered in described mounting bridge A, described top jackshaft is connected through top through hole with bevel gear B, described lower house arches downwards mounting bridge B, offering bottom through-hole in described mounting bridge B, described connecting shaft is connected through bottom through-hole with drive bevel gear.
6. the theory of mechanics experiment teaching aid described in a claim 1, it is characterized in that: described Graphic Panel is slab construction, installing hole is offered on described Graphic Panel, one end of described power transmission shaft passes from installing hole, described mounting hole site is in the centre position of Graphic Panel, offering multiple hole arranged on described Graphic Panel, the installation for demonstration teaching aid is fixed.
7. the theory of mechanics experiment teaching aid described in a claim 5, it is characterised in that: described power transmission shaft and support junction are provided with bearing, and described power transmission shaft and Graphic Panel junction also are provided with bearing.
8. the theory of mechanics experiment teaching aid described in a claim 6, it is characterised in that: one end that described power transmission shaft is connected with Graphic Panel is provided with screwed hole or gear key.
9. the theory of mechanics experiment teaching aid described in a claim 1, it is characterized in that: described middle rotary apparatus includes rotating shaft and rotating disk, described rotating shaft is rotatably connected with lower box, described rotating disk is located at the top of rotating shaft, described upper box is fixed on rotating disk, and described upper box can rotate with the rotation of rotating shaft.
10. the theory of mechanics experiment teaching aid described in a claim 1, it is characterised in that: described lower box is provided with drawer box, and described drawer box is used for placing demonstration teaching aid or parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610384146.XA CN105913753A (en) | 2016-06-02 | 2016-06-02 | Mechanical principle experiment teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610384146.XA CN105913753A (en) | 2016-06-02 | 2016-06-02 | Mechanical principle experiment teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105913753A true CN105913753A (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610384146.XA Pending CN105913753A (en) | 2016-06-02 | 2016-06-02 | Mechanical principle experiment teaching aid |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113487956A (en) * | 2021-06-02 | 2021-10-08 | 金超焕 | Intelligent mechanical design classroom demonstration teaching aid |
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| CN104036684A (en) * | 2014-05-22 | 2014-09-10 | 杭州电子科技大学 | Typical transmission mechanism comprehensive demonstration teaching aid |
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| CN203931330U (en) * | 2014-05-22 | 2014-11-05 | 杭州电子科技大学 | Typical case's gear train overview display teaching aid |
| CN204155542U (en) * | 2014-11-06 | 2015-02-11 | 温岭市职业中等专业学校 | Differential mechanism teaching aid |
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2016
- 2016-06-02 CN CN201610384146.XA patent/CN105913753A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103514793A (en) * | 2013-09-03 | 2014-01-15 | 无锡商业职业技术学院 | Bevel gear mechanical drive model for teaching |
| CN104036684A (en) * | 2014-05-22 | 2014-09-10 | 杭州电子科技大学 | Typical transmission mechanism comprehensive demonstration teaching aid |
| CN203910156U (en) * | 2014-05-22 | 2014-10-29 | 杭州电子科技大学 | Teaching aid of cam and rod mechanisms |
| CN203931330U (en) * | 2014-05-22 | 2014-11-05 | 杭州电子科技大学 | Typical case's gear train overview display teaching aid |
| CN203882539U (en) * | 2014-06-23 | 2014-10-15 | 浙江机电职业技术学院 | Novel mechanical transmission demonstration teaching aid |
| CN204155542U (en) * | 2014-11-06 | 2015-02-11 | 温岭市职业中等专业学校 | Differential mechanism teaching aid |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113487956A (en) * | 2021-06-02 | 2021-10-08 | 金超焕 | Intelligent mechanical design classroom demonstration teaching aid |
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