CN204576908U - Adjustable pulling force theorem device - Google Patents
Adjustable pulling force theorem device Download PDFInfo
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- CN204576908U CN204576908U CN201520256350.4U CN201520256350U CN204576908U CN 204576908 U CN204576908 U CN 204576908U CN 201520256350 U CN201520256350 U CN 201520256350U CN 204576908 U CN204576908 U CN 204576908U
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- pulling force
- scale
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Abstract
The utility model discloses adjustable pulling force theorem device, belong to physics demonstration device field, mainly solve the problem of current Teaching Method of Mechanics ubiquity not defect intuitively, support is square mount structure, support right side uprights leading flank is provided with scale, described scale two ends are provided with mounting hole, trip bolt is utilized to be arranged on support side by described mounting hole, dynamometer upper end is provided with screw rod, support top margin center is provided with vertical direction through hole, screw rod realizes coordinating with setting nut through described through hole, dynamometer bottom is provided with connecting link, described connecting link and pointer are integral type structure, connecting link bottom and spring one end endoporus are connected, spring other end endoporus and fixed block are connected, fixed block bottom face is provided with hook, counterweight is suspended on hook.The utility model is novel unique, can conveniently be shown with the form of numerical value directly perceived by the Hooke's law of mechanics, is convenient to student and understands and grasp mechanical essence.
Description
Technical field
The utility model relates to adjustable pulling force theorem device, belongs to physics demonstration device field.
Background technology
Mechanics is an independently basic subject, relevant power, motion and medium (solid, liquid, gas are Satan and plasma), the subject of grand, thin, micromechanics, studies based on mechanical motion, and same physics, chemistry, biological motion coupling phenomenon.Mechanics is a basic subject, is again a special kind of skill subject simultaneously.The relation of the balance of its research energy and power and they and solid, liquid and gas, distortion or motion.Mechanics can divide into statics, kinematics and dynamics three part, the static problem of statics research equilibrium of forces or object; Kinematics only considers how object moves, and it and stressed relation are not discussed; Dynamics discusses object of which movement and stressed relation.Modern Experiments of Machanics equipment, such as large-scale wind-tunnel, water hole, their foundation and a use inherently comprehensive scientific and technical project, need multiplex's kind, multi-disciplinary cooperation.Mechanics is the science of research material mechanical motion rule.Nature material has multiple level, from the space system of cosmoscopic, and the celestial body of macroscopic view and conventional object, thin particle, fiber, the crystal seen, the molecule of microcosmic, atom, elementary particle.The mechanics of usual understanding is to study natural or artificial macroscopic objects.But due to interpenetrating of subject, the object in sometimes also relating to cosmoscopic or carefully seeing the even each level of microcosmic and relevant rule.Mechanics, also known as classical mechanics, be the deformation of object under stressed of research general size, and speed is far below a natural science of the motion process of the light velocity.Mechanical motion is the change in location of material in time, space, comprises movement, rotation, flowing, distortion, vibration, fluctuation, diffusion etc.And balance or static, be then special circumstances wherein.Other forms of the motion of matter also have the motion and chemokinesis etc. of thermal motion, electromagnetic motion, atom and inside thereof.Power is that the one between material interacts, and the change of mechanical motion state is caused by this interaction.Static constant with motion state, then mean each acting force balance in some sense, therefore, mechanics can be described as the science that power is moved with (machinery).
Current mechanics is very part and parcel in physics, existing teaching method mostly is theory teaching, namely giving an oral account correlation theory by teacher allows student understand, still the mental of student's at substantial is needed to understand although which operation is simple, although there is instructional device to demonstrate in addition, ubiquity not defect intuitively.
Utility model content
The utility model is very part and parcel in physics for current mechanics, existing teaching method mostly is theory teaching, namely giving an oral account correlation theory by teacher allows student understand, still the mental of student's at substantial is needed to understand although which operation is simple, although there is instructional device to demonstrate in addition, but the problem of ubiquity not defect intuitively, devises adjustable pulling force theorem device.
The technical scheme in the invention for solving the technical problem is:
This adjustable pulling force theorem device, its structure comprises: support, base, scale, trip bolt, dynamometer, screw rod, setting nut, connecting link, pointer, spring, fixed block, hook, counterweight, support is square mount structure, support right side uprights leading flank is provided with scale, described scale two ends are provided with mounting hole, trip bolt is utilized to be arranged on support side by described mounting hole, dynamometer upper end is provided with screw rod, support top margin center is provided with vertical direction through hole, screw rod realizes coordinating with setting nut through described through hole, dynamometer bottom is provided with connecting link, described connecting link and pointer are integral type structure, connecting link bottom and spring one end endoporus are connected, spring other end endoporus and fixed block are connected, fixed block bottom face is provided with hook, counterweight is suspended on hook.
Described pointer is L-type structure, and horizontal segment and connecting link are integral type structure, and vertical section side is provided with triangular hill.
Described fixed block is cylindrical structural, and fixed block external diameter is greater than the aperture of spring bores.
Described frame bottom is provided with plinth, and described plinth surrounding side is provided with gradient, and base upper surface and support bottom are integral type structure.
The triangular hill of the vertical section side of described pointer is positioned at scale centre position.
Compared with prior art, the beneficial effects of the utility model are:
1. the utility model is novel unique, can conveniently be shown with the form of numerical value directly perceived by the Hooke's law of mechanics, is convenient to student and understands and grasp mechanical essence.
2. the utility model structure is simple, and easy to operate, material is cheap, and cost of manufacture is low, and application is wide, can demonstrate the both forward and reverse directions in Hooke's law.
3. the utility model coordinating by screw rod and setting nut, achieve fine setting, therefore can solve the misalignment that in use procedure, camber of spring causes.
Accompanying drawing explanation
Fig. 1 is the utility model one-piece construction figure.
In figure: 1 support, 2 bases, 3 scales, 4 trip bolts, 5 dynamometers, 6 screw rods, 7 setting nuts, 8 connecting links, 9 pointers, 10 springs, 11 fixed blocks, 12 hooks, 13 counterweights.
Embodiment
As shown in Figure 1: adjustable pulling force theorem device, its structure comprises: support 1, base 2, scale 3, trip bolt 4, dynamometer 5, screw rod 6, setting nut 7, connecting link 8, pointer 9, spring 10, fixed block 11, hook 12, counterweight 13, support 1 is square mount structure, support 1 right side uprights leading flank is provided with scale 3, described scale 3 two ends are provided with mounting hole, trip bolt 4 is utilized to be arranged on support 1 side by described mounting hole, dynamometer 5 upper end is provided with screw rod 6, support 1 top margin center is provided with vertical direction through hole, screw rod 6 realizes coordinating with setting nut 7 through described through hole, dynamometer 5 bottom is provided with connecting link 8, described connecting link 8 is integral type structure with pointer 9, connecting link 8 bottom and spring 10 one end endoporus are connected, spring 10 other end endoporus and fixed block 11 are connected, fixed block 11 bottom face is provided with hook 12, counterweight 13 is suspended on hook 12, described pointer 9 is L-type structure, and horizontal segment and connecting link 8 are integral type structure, and vertical section side is provided with triangular hill, described fixed block 11 is cylindrical structural, and fixed block 11 external diameter is greater than the aperture of spring 10 endoporus, be provided with plinth 2 bottom described support 1, described plinth 2 surrounding side is provided with gradient, and base 2 upper surface and support 1 bottom are integral type structure, the triangular hill of described pointer 9 vertical sections of sides is positioned at scale 3 center.
Adjustable pulling force theorem device described by the present embodiment, during use, screw rod 6 and setting nut 7 is utilized to realize the fixing of dynamometer 5 and fine setting, after adjustment, counterweight 13 is hung on hook 12, now draw Hooke's law by reading pointer 9 relative to the variable quantity of scale 3, counterweight 13 number hung by conversion can draw the character of Hooke's law relative to the variable quantity of scale 3 by reading pointer 9.
The above, be only embodiment of the present utility model, and those of ordinary skill in the art are in the scope that the utility model discloses, and the change that can expect easily, within the protection domain that all should be encompassed in utility model.
Claims (5)
1. adjustable pulling force theorem device, structure comprises: support (1), base (2), scale (3), trip bolt (4), dynamometer (5), screw rod (6), setting nut (7), connecting link (8), pointer (9), spring (10), fixed block (11), hook (12), counterweight (13), it is characterized in that: support (1) is square mount structure, support (1) right side uprights leading flank is provided with scale (3), described scale (3) two ends are provided with mounting hole, trip bolt (4) is utilized to be arranged on support (1) side by described mounting hole, dynamometer (5) upper end is provided with screw rod (6), support (1) top margin center is provided with vertical direction through hole, screw rod (6) realizes coordinating with setting nut (7) through described through hole, dynamometer (5) bottom is provided with connecting link (8), described connecting link (8) and pointer (9) are integral type structure, connecting link (8) bottom and spring (10) one end endoporus are connected, spring (10) other end endoporus and fixed block (11) are connected, fixed block (11) bottom face is provided with hook (12), counterweight (13) is suspended on hook (12).
2. adjustable pulling force theorem device according to claim 1, it is characterized in that: described pointer (9) is L-type structure, horizontal segment and connecting link (8) are integral type structure, and vertical section side is provided with triangular hill.
3. adjustable pulling force theorem device according to claim 1, it is characterized in that: described fixed block (11) is cylindrical structural, fixed block (11) external diameter is greater than the aperture of spring (10) endoporus.
4. adjustable pulling force theorem device according to claim 1, it is characterized in that: described support (1) bottom is provided with plinth (2), described plinth (2) surrounding side is provided with gradient, and base (2) upper surface and support (1) bottom are integral type structure.
5. adjustable pulling force theorem device according to claim 1, is characterized in that: the triangular hill of the vertical section side of described pointer (9) is positioned at scale (3) center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520256350.4U CN204576908U (en) | 2015-04-27 | 2015-04-27 | Adjustable pulling force theorem device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520256350.4U CN204576908U (en) | 2015-04-27 | 2015-04-27 | Adjustable pulling force theorem device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204576908U true CN204576908U (en) | 2015-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520256350.4U Expired - Fee Related CN204576908U (en) | 2015-04-27 | 2015-04-27 | Adjustable pulling force theorem device |
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| CN (1) | CN204576908U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106481889A (en) * | 2016-11-22 | 2017-03-08 | 淮北智淮科技有限公司 | A kind of pipeline spring support hanging frame |
| CN107288605A (en) * | 2017-07-06 | 2017-10-24 | 中原工学院 | A kind of mud shale fracturing analogue means and detection method |
| CN110164262A (en) * | 2019-06-04 | 2019-08-23 | 华北水利水电大学 | A kind of physics teaching spring force demonstration equipment |
-
2015
- 2015-04-27 CN CN201520256350.4U patent/CN204576908U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106481889A (en) * | 2016-11-22 | 2017-03-08 | 淮北智淮科技有限公司 | A kind of pipeline spring support hanging frame |
| CN107288605A (en) * | 2017-07-06 | 2017-10-24 | 中原工学院 | A kind of mud shale fracturing analogue means and detection method |
| CN110164262A (en) * | 2019-06-04 | 2019-08-23 | 华北水利水电大学 | A kind of physics teaching spring force demonstration 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 |
Granted publication date: 20150819 Termination date: 20160427 |