CN204406812U - A kind of physical friction experimental demonstration device - Google Patents
A kind of physical friction experimental demonstration device Download PDFInfo
- Publication number
- CN204406812U CN204406812U CN201520104939.2U CN201520104939U CN204406812U CN 204406812 U CN204406812 U CN 204406812U CN 201520104939 U CN201520104939 U CN 201520104939U CN 204406812 U CN204406812 U CN 204406812U
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- support bar
- little support
- base plate
- plate
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Abstract
The utility model discloses a kind of physical friction experimental demonstration device, comprise base plate, hang plate, support bar and motor-driven carrier, described hang plate is hinged on base plate, described they sup-port is between base plate and hang plate, it is characterized in that: described base plate and hang plate surface are provided with groove, insert the friction plate that the roughness on surface is different.Have the following advantages: structure is simple, easy to use, the convenient angle regulating dip plane, is convenient to observation of students, can ocular demonstration affect the factor of friction factor, be convenient to student and understand friction force, the efficiency of teaching in raising classroom.
Description
Technical field
The utility model relates to a kind of physical friction experimental demonstration device, belongs to teaching equipment field.
Background technology
At present, because physics is a subject based on experiment, so in existing physics teaching, teacher is when imparting knowledge to students to student, in order to student is familiar with various physical phenomenon more intuitively, generally need to make student carry out direct vision by experiment, need in many situations to demonstrate student by experiment and prove, so that better Classroom theory knowledge is combined with practice.
Friction force is a kind of common physical phenomenon, two objects contacted with each other, when they relative motion occur or have relative motion trend to be that will produce a kind of power hindering relative motion on the contact surface, this power is just called friction force.In physical teaching course, about the content of courses of friction force, never good teaching demonstration apparatus, makes student lack the understanding of perception to friction force.
Utility model content
The technical problems to be solved in the utility model is for above deficiency, a kind of physical friction experimental demonstration device is provided, have and ocular demonstration can affect the factor of friction factor, be convenient to student understand friction force, improve the efficiency of teaching in classroom, improve the efficiency of teaching on classroom, improve the learning interest of student simultaneously, the simple advantage of apparatus structure.
For solving above technical matters, the utility model is by the following technical solutions: a kind of physical friction experimental demonstration device, comprise base plate, hang plate, support bar and motor-driven carrier, described hang plate is hinged on base plate, described they sup-port is between base plate and hang plate, it is characterized in that: described base plate and hang plate surface are provided with groove, insert the friction plate that the roughness on surface is different.
Further, described support bar comprises the first little support bar, second little support bar and the 3rd little support bar, it is hinged that described first little support bar and the second little support bar pass through articulated elements, it is hinged that described second little support bar and the 3rd little support bar pass through articulated elements, described first little support bar upper hinge two ends are respectively provided with a springy locking member, described second little support bar is respectively provided with a fixed orifice with the articulated elements two ends of the first little support bar hinged place, second little support bar is respectively provided with a springy locking member with the articulated elements two ends of the 3rd little support bar hinged place, described 3rd little support bar upper hinge two ends are respectively provided with a fixed orifice,
Described springy locking member comprises spring part and fixture, and described spring part is arranged in the groove of support bar, and described fixture is arranged on the top of spring part, and the groove of support bar is stretched out at the hemispheric top of fixture.
Further, described motor-driven carrier surface is provided with some counterweight grooves varied in size, and places the counterweight varied in size.
Physical friction experimental demonstration device structure described in the utility model is simple, easy to use, the convenient angle regulating dip plane, be convenient to observation of students, ocular demonstration can affect the factor of friction factor, be convenient to student and friction force is understood, improve the efficiency of teaching in classroom.
Below in conjunction with drawings and Examples, the utility model is described in detail.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of apparatus for demonstrating base in the utility model embodiment;
Accompanying drawing 2 is the base plate of apparatus for demonstrating in the utility model embodiment and the sectional view of inclination version;
Accompanying drawing 3 is structural representations of the support bar of apparatus for demonstrating in the utility model embodiment;
Accompanying drawing 4 is cut-open views of the springy locking member of support bar in the utility model embodiment;
Accompanying drawing 5 is vertical views of motor-driven carrier in the utility model embodiment;
In figure,
1-base plate, 2-hang plate, 3-support bar, 4-motor-driven carrier, the little support bar of 31-first, the little support bar of 32-second, the little support bar of 33-the 3rd, 34-springy locking member, 341-spring part, 342-fixture.
Embodiment
Embodiment 1, as shown in Figure 1, a kind of physical friction experimental demonstration device, comprise base plate 1, hang plate 2, support bar 3 and motor-driven carrier 4, hang plate 2 is hinged on base plate 1, and support bar 3 is supported between base plate 1 and hang plate 2, for adjusting the angle of inclination of hang plate 2.
As shown in Figure 2, base plate 1 and hang plate 2 surface are provided with groove, the different friction plate of roughness on surface can be inserted, to test the distance that motor-driven carrier 4 advances at the friction plate that roughness is different when identical power, to demonstrate the relation of friction factor with the roughness of friction plate.
As shown in Figure 3, support bar 3 comprises the first little support bar 31, second little support bar 32 and the 3rd little support bar 33, it is hinged that first little support bar 31 and the second little support bar 32 pass through articulated elements, it is hinged that second little support bar 32 and the 3rd little support bar 33 pass through articulated elements, first little support bar 31 upper hinge two ends are respectively provided with a springy locking member 34, second little support bar 32 is respectively provided with a fixed orifice with the articulated elements two ends of the first little support bar 31 hinged place, second little support bar 32 is respectively provided with a springy locking member 34 with the articulated elements two ends of the 3rd little support bar 33 hinged place, 3rd little support bar 33 upper hinge two ends are respectively provided with a fixed orifice, the size of fixed orifice, position adapts with springy locking member 34.
As shown in Figure 4, springy locking member 34 comprises spring part 341 and fixture 342, spring part 341 is arranged in the groove of support bar, fixture 342 is arranged on the top of spring part 341, the groove of support bar is stretched out at the hemispheric top of fixture 342, the hemispheric top of fixture 342 coordinates with fixed orifice, and when the second little support bar 32 and the 3rd little support bar 33 are propped up, the hemispheric top of fixture 342 can be entered in fixed orifice by buckle.
Support bar 3 can adjust the angle of inclination of hang plate 2, and to test motor-driven carrier 4 on the friction plate of identical roughness, the distance that come in when differing tilt angles by identical power, to demonstrate the relation of friction factor with angle of inclination.
As shown in Figure 5, motor-driven carrier 4 surface is provided with some counterweight grooves varied in size, may be used for placing the counterweight varied in size, to test motor-driven carrier 4 on the friction plate of identical roughness, the distance of advancing when different pressures by identical power, to demonstrate the relation of friction factor with different pressures.
A kind of physical friction experimental demonstration device structure described in the utility model is simple, easy to use, the convenient angle regulating dip plane, be convenient to observation of students, ocular demonstration can affect the factor of friction factor, be convenient to student and friction force is understood, improve the efficiency of teaching in classroom.
The above is the citing of the utility model preferred forms, and the part wherein do not addressed in detail is the common practise of those of ordinary skill in the art.Protection domain of the present utility model is as the criterion with the content of claim, and any equivalent transformation carried out based on technology enlightenment of the present utility model, also within protection domain of the present utility model.
Claims (3)
1. a physical friction experimental demonstration device, comprise base plate (1), hang plate (2), support bar (3) and motor-driven carrier (4), described hang plate (2) is hinged on base plate (1), described support bar (3) is supported between base plate (1) and hang plate (2), it is characterized in that: described base plate (1) and hang plate (2) surface are provided with groove, insert the friction plate that the roughness on surface is different.
2. a kind of physical friction experimental demonstration device as claimed in claim 1, it is characterized in that: described support bar (3) comprises the first little support bar (31), second little support bar (32) and the 3rd little support bar (33), described first little support bar (31) and the second little support bar (32) hinged by articulated elements, described second little support bar (32) and the 3rd little support bar (33) hinged by articulated elements, described first little support bar (31) upper hinge two ends are respectively provided with a springy locking member (34), described second little support bar (32) is respectively provided with a fixed orifice with the articulated elements two ends of the first little support bar (31) hinged place, second little support bar (32) is respectively provided with a springy locking member (34) with the articulated elements two ends of the 3rd little support bar (33) hinged place, described 3rd little support bar (33) upper hinge two ends are respectively provided with a fixed orifice,
Described springy locking member (34) comprises spring part (341) and fixture (342), described spring part (341) is arranged in the groove of support bar, described fixture (342) is arranged on the top of spring part (341), and the groove of support bar is stretched out at fixture (342) hemispheric top.
3. a kind of physical friction experimental demonstration device as claimed in claim 1, is characterized in that: described motor-driven carrier (4) surface is provided with some counterweight grooves varied in size, and places the counterweight varied in size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520104939.2U CN204406812U (en) | 2015-02-13 | 2015-02-13 | A kind of physical friction experimental demonstration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520104939.2U CN204406812U (en) | 2015-02-13 | 2015-02-13 | A kind of physical friction experimental demonstration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204406812U true CN204406812U (en) | 2015-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520104939.2U Expired - Fee Related CN204406812U (en) | 2015-02-13 | 2015-02-13 | A kind of physical friction experimental demonstration device |
Country Status (1)
| Country | Link |
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| CN (1) | CN204406812U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108520680A (en) * | 2018-04-27 | 2018-09-11 | 南京惊兰谷根自动化科技有限公司 | A kind of physics teaching equipment placing structure |
| CN109986597A (en) * | 2017-12-29 | 2019-07-09 | 沈阳新松机器人自动化股份有限公司 | A kind of robot debugging platform |
-
2015
- 2015-02-13 CN CN201520104939.2U patent/CN204406812U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109986597A (en) * | 2017-12-29 | 2019-07-09 | 沈阳新松机器人自动化股份有限公司 | A kind of robot debugging platform |
| CN108520680A (en) * | 2018-04-27 | 2018-09-11 | 南京惊兰谷根自动化科技有限公司 | A kind of physics teaching equipment placing structure |
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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 |
Granted publication date: 20150617 Termination date: 20160213 |
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| CF01 | Termination of patent right due to non-payment of annual fee |