CN204375277U - A kind of experiment instrument for measuring inclined-plane mechanical efficiency - Google Patents
A kind of experiment instrument for measuring inclined-plane mechanical efficiency Download PDFInfo
- Publication number
- CN204375277U CN204375277U CN201520010649.1U CN201520010649U CN204375277U CN 204375277 U CN204375277 U CN 204375277U CN 201520010649 U CN201520010649 U CN 201520010649U CN 204375277 U CN204375277 U CN 204375277U
- Authority
- CN
- China
- Prior art keywords
- fixed pulley
- fixed
- plane
- cross bar
- measuring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a kind of experiment instrument for measuring inclined-plane mechanical efficiency, comprising described support is fixed on base, mid-stent is by knob two fixed transverse rod one, described fixed pulley two is fixed on cross bar one foremost, rule is arranged on the middle part of cross bar one, and described rule is used for measuring the height that inclined-plane is padded; Described frame upper is by knob one fixed transverse rod two, and described fixed pulley one is fixed on cross bar two foremost, the cord one end linking springs dynamometer on described fixed pulley one, and the other end pulls with hand; Cord one end linking springs dynamometer on fixed pulley two, the other end connects the wooden unit on inclined-plane.The utility model beneficial effect is, can ensure that in drawing process, cord and inclined-plane remain balance, simultaneously without the need to measuring bevel altitude separately, only need carry out reading to rule knows its difference in height, difference in height be added with elemental height and try to achieve the bevel altitude after adjusting height, this structure effectively reduces experimental error simultaneously.
Description
Technical field
The utility model relates to a kind of physics facility, especially a kind of experiment instrument for measuring inclined-plane mechanical efficiency.
Background technology
At present, the experiment measuring inclined-plane mechanical efficiency is the important experiment of mechanics study, in this laboratory operating procedures, need first to adjust fine rule parallel with inclined-plane, at the uniform velocity wooden unit is pulled again from surface bottom, weight beam reading is read in drawing process, due to manual operation, even if it is parallel with inclined-plane first to adjust fine rule, also keeping parallelism always cannot to be ensured in drawing process, simultaneously, this experiment needs repeatedly padded for long plank, all need to measure the height on inclined-plane separately at every turn, it is each like this that all will to readjust fine rule parallel to be confirmed whether with the position on inclined-plane, carry out the operation of repetition again, experimental procedure is very loaded down with trivial details, manual operation out of true can cause experimental error.
Summary of the invention
The purpose of this utility model is for overcoming above-mentioned the deficiencies in the prior art, provides a kind of experiment instrument for measuring inclined-plane mechanical efficiency.
For achieving the above object, the utility model adopts following technical proposals:
For measuring an experiment instrument for inclined-plane mechanical efficiency, comprise support, base, knob one, knob two, cross bar one, cross bar two, locating clip, fixed pulley one, fixed pulley two, weight beam, rule, padded wooden unit and wooden unit;
Described support is fixed on base, and mid-stent is by knob two fixed transverse rod one, and described fixed pulley two is fixed on cross bar one foremost, and rule is arranged on the middle part of cross bar one, and described rule is used for measuring the height that inclined-plane is padded;
Described frame upper is by knob one fixed transverse rod two, and described fixed pulley one is fixed on cross bar two foremost, the cord one end linking springs dynamometer on described fixed pulley one, and the other end pulls with hand; Cord one end linking springs dynamometer on fixed pulley two, the other end connects the wooden unit on inclined-plane.
Described padded wooden unit is positioned at the below on inclined-plane.
Described rule is fixed on cross bar one by locating clip.
The zero graduation value of described rule is positioned at bottom.
Further, described cross bar two is scalable, for adjusting the horizontal relative position of fixed pulley one and fixed pulley two.
Further, described fixed pulley one is identical with described fixed pulley two diameter.
Further, described support is scalable, for controlling the vertical relative position of fixed pulley one and fixed pulley two.
The beneficial effects of the utility model are, by adopting said structure, can ensure that in drawing process, cord and inclined-plane remain balance, simultaneously without the need to measuring bevel altitude separately, only need carry out reading to rule knows its difference in height, difference in height be added with elemental height and can try to achieve the bevel altitude after adjusting height, this structure operation step is simple, easy to operate simultaneously, reduces experimental error.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Wherein 1. fixed pulley one, 2. weight beams, 3. fixed pulley two, 4. wooden unit, 5. knob one, 6. locating clip, 7. knob two, 8. rule, 9. support, 10. base, 11. padded wooden units, 12. cross bar one, 13. cross bars two.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
For measuring an experiment instrument for inclined-plane mechanical efficiency, comprise support 9, base 10, knob 1, knob 27, cross bar 1, cross bar 2 13, locating clip 6, fixed pulley 1, fixed pulley 23, weight beam 2, rule 8, padded wooden unit 11 and wooden unit 4;
Described support 9 is fixed on base 10, by knob 27 fixed transverse rod 1 in the middle part of support 9, described fixed pulley 23 is fixed on cross bar 1 foremost, and rule 8 is arranged on the middle part of cross bar 1, and described rule is used for measuring the height that inclined-plane is padded;
Described support 9 top is by knob 1 fixed transverse rod 2 13, and described fixed pulley 1 is fixed on cross bar 2 13 foremost, the cord one end linking springs dynamometer 2 on described fixed pulley 1, and the other end pulls with hand; Cord one end linking springs dynamometer 2 on fixed pulley 23, the other end connects the wooden unit 4 on inclined-plane.
Described padded wooden unit 11 is positioned at the below on inclined-plane.
Described rule 8 is fixed on cross bar 1 by locating clip 6.
The zero graduation value of described rule 8 is positioned at bottom.
Further, described cross bar 2 13 is scalable, for adjusting the horizontal relative position of fixed pulley 1 and fixed pulley 23.
Further, described fixed pulley 1 is identical with described fixed pulley 23 diameter.
Further, described support 9 is scalable, for controlling the vertical relative position of fixed pulley 1 and fixed pulley 23.
The described experiment instrument course of work for measuring inclined-plane mechanical efficiency is as follows:
First padded wooden unit 11 is taken out separately, rule 8 is used to measure the height h0 of padded wooden unit 11, and record reading, then knob 1, knob 27, locating clip 6 is adjusted, what make is parallel with inclined-plane by the cord of fixed pulley 23, carries out reading and record to the scale of rule 8, and this reading value is h1, pull the cord uniform motion on fixed pulley 1, reading is carried out and record to weight beam 2; Then with padded wooden unit 4, inclined-plane is padded, repeat aforesaid operations, wherein the reading of rule 8 is h2.Then padded wooden unit 4 and first time measures compared with padded height be h2-h1, namely bevel altitude is h0+ (h2-h1) for the second time.
The beneficial effects of the utility model are, by adopting said structure, can ensure that in drawing process, cord and inclined-plane remain balance, simultaneously without the need to measuring bevel altitude separately, only need carry out reading to rule knows its difference in height, difference in height be added with elemental height and can try to achieve the bevel altitude after adjusting height, this structure operation step is simple, easy to operate simultaneously, reduces experimental error.
By reference to the accompanying drawings embodiment of the present utility model is described although above-mentioned; but the restriction not to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection domain of the present utility model.
Claims (5)
1. for measuring an experiment instrument for inclined-plane mechanical efficiency, it is characterized in that, comprising support, base, knob one, knob two, cross bar one, cross bar two, locating clip, fixed pulley one, fixed pulley two, weight beam, rule, padded wooden unit and wooden unit; Described support is fixed on base, and mid-stent is by knob two fixed transverse rod one, and described fixed pulley two is fixed on cross bar one foremost, and rule is arranged on the middle part of cross bar one, and described rule is used for measuring the height that inclined-plane is padded;
Described frame upper is by knob one fixed transverse rod two, and described fixed pulley one is fixed on cross bar two foremost, the cord one end linking springs dynamometer on described fixed pulley one, and the other end pulls with hand; Cord one end linking springs dynamometer on fixed pulley two, the other end connects the wooden unit on inclined-plane;
Described padded wooden unit is positioned at the below on inclined-plane;
Described rule is fixed on cross bar one by locating clip.
2. as claimed in claim 1 for measuring the experiment instrument of inclined-plane mechanical efficiency, it is characterized in that, the zero graduation value of described rule is positioned at bottom.
3. as claimed in claim 1 for measuring the experiment instrument of inclined-plane mechanical efficiency, it is characterized in that, described cross bar two is scalable, for adjusting the horizontal relative position of fixed pulley one and fixed pulley two.
4. as claimed in claim 1 for measuring the experiment instrument of inclined-plane mechanical efficiency, it is characterized in that, described fixed pulley one is identical with described fixed pulley two diameter.
5. as claimed in claim 1 for measuring the experiment instrument of inclined-plane mechanical efficiency, it is characterized in that, described support is scalable, for controlling the vertical relative position of fixed pulley one and fixed pulley two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520010649.1U CN204375277U (en) | 2015-01-08 | 2015-01-08 | A kind of experiment instrument for measuring inclined-plane mechanical efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520010649.1U CN204375277U (en) | 2015-01-08 | 2015-01-08 | A kind of experiment instrument for measuring inclined-plane mechanical efficiency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204375277U true CN204375277U (en) | 2015-06-03 |
Family
ID=53331474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520010649.1U Expired - Fee Related CN204375277U (en) | 2015-01-08 | 2015-01-08 | A kind of experiment instrument for measuring inclined-plane mechanical efficiency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204375277U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110874972A (en) * | 2019-11-05 | 2020-03-10 | 东北师范大学附属实验学校 | Static friction force comprehensive experiment instrument |
| CN110956878A (en) * | 2019-11-05 | 2020-04-03 | 东北师范大学附属实验学校 | Static friction force comprehensive experiment instrument and experiment method |
-
2015
- 2015-01-08 CN CN201520010649.1U patent/CN204375277U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110874972A (en) * | 2019-11-05 | 2020-03-10 | 东北师范大学附属实验学校 | Static friction force comprehensive experiment instrument |
| CN110956878A (en) * | 2019-11-05 | 2020-04-03 | 东北师范大学附属实验学校 | Static friction force comprehensive experiment instrument and experiment method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202177548U (en) | Young modulus instrument facilitating measuring length of to-be-detected metal wire | |
| CN204375277U (en) | A kind of experiment instrument for measuring inclined-plane mechanical efficiency | |
| CN203241019U (en) | Flatness test rack | |
| CN103323368A (en) | Measurement method for density of solid material | |
| CN104990541A (en) | Building engineering measurement system | |
| CN204926621U (en) | Even presentation device that tests speed that changes speed of object | |
| CN203490873U (en) | Electrodynamic type frictional force demonstration apparatus | |
| CN202038593U (en) | Sheet mounting frame for glass coating machine | |
| CN206321320U (en) | Support meanss and counter balance | |
| CN204406827U (en) | A kind of buoyancy demonstrating device | |
| CN209013942U (en) | A kind of three coordinate measuring machine | |
| CN203055253U (en) | Air cushion guide rail teaching instrument | |
| CN204788392U (en) | A measure curved device for engineering survey | |
| CN205754734U (en) | Microphone holder | |
| CN204990896U (en) | Multifunctional physics experiment apparatus | |
| CN202710391U (en) | Support for testing keel bearing capacity | |
| CN203176649U (en) | Support for inspection | |
| CN203819288U (en) | Damping vehicle | |
| CN105486590A (en) | Young modulus instrument | |
| CN204808676U (en) | Elasticity pendulum experimental apparatus | |
| CN203758506U (en) | Measuring instrument for angle of inclination of inclined plane | |
| CN104006274A (en) | Simple measuring instrument support | |
| CN203654783U (en) | Support special for walling | |
| CN202119680U (en) | Elasticity testing ruler | |
| CN203673712U (en) | Force decomposition demonstration experiment apparatus |
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: 20150603 Termination date: 20160108 |