CN206541508U - Teaching balance demonstration device - Google Patents
Teaching balance demonstration device Download PDFInfo
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- CN206541508U CN206541508U CN201720285570.9U CN201720285570U CN206541508U CN 206541508 U CN206541508 U CN 206541508U CN 201720285570 U CN201720285570 U CN 201720285570U CN 206541508 U CN206541508 U CN 206541508U
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- base
- support
- demonstration device
- demonstrating
- balancing weight
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Abstract
The utility model discloses teaching balance demonstration device, it is related to teaching aid technical field.Teaching balance demonstration device, including base, the base top activity sets apparatus for demonstrating, the apparatus for demonstrating includes support meanss, the support meanss top sets arc-shaped connecting rod, and the arc-shaped connecting rod two ends set the first balancing weight and the second balancing weight respectively, and the torque of the support meanss both sides is identical, the height of first balancing weight and the second balancing weight is below the height on base top, and the physics center of gravity of the apparatus for demonstrating is located at support meanss and base contacts position.The beneficial effects of the utility model are：It is simple in construction, and student can be helped to understand role and the effect brought, vivid and interesting under equilibrium condition.
Description
Technical field
The utility model is related to teaching equipment technical field, particularly teaching balance demonstration device.
Background technology
Teaching is the distinctive personnel training activity of a kind of mankind that the religion of teacher and student are constituted.Pass through this work
Dynamic, teacher is purposeful, planned and organized ground guiding student actively consciously learns and accelerated to grasp Cultural Science rudimentary knowledge
And basic skills, promote the many-sided quality of student to improve comprehensively, them is turned into the people required for society.
In life, power is almost required for all the time, and equalising torque experiment can help student preferably to grasp in life
Skill, in the equalising torque experimental provision of prior art, exerted a force mostly with spring scale or counterweight, spring scale or counterweight
Power learn that such a balance test apparatus structure is complicated, dry as dust by reading.In addition, existing equalising torque experiment dress
Put, student can only be helped to understand the required condition of balance of reaching, it is impossible to help students ' understanding in equilibrium conditions role, with
And the effect brought under equilibrium condition.
Utility model content
To solve deficiency of the prior art, the utility model provides a kind of teaching balance demonstration device, the letter of its structure
It is single, student can be helped to understand role and the effect brought, vivid and interesting under equilibrium condition.
Teaching balance demonstration device, including base, the base top activity set apparatus for demonstrating, the apparatus for demonstrating
Including support meanss, the support meanss top sets arc-shaped connecting rod, and the arc-shaped connecting rod two ends set first to match somebody with somebody respectively
Pouring weight and the second balancing weight, the torque of the support meanss both sides are identical, the height of first balancing weight and the second balancing weight
The height on base top is below, the physics center of gravity of the apparatus for demonstrating is located at support meanss and base contacts position.
The base includes setting support bar and steel wire rope, the steel wire between two support bases, two support bases
Rope is located above support bar and steel wire rope is parallel with support bar, and the apparatus for demonstrating is movably arranged on steel wire rope, the support
Device bottom sets chassis.
The tray bottom sets multiple bar-shaped troughs.
The support bar is expansion link.
The base includes support base, and the support base top sets fixed block, and the apparatus for demonstrating is movably arranged on solid
Determine at the top of block.
Groove is set at the top of the fixed block.
The support base includes base, and the base top sets montant, and the base center sets screw, the montant
Bottom sets external screw thread, is threadedly coupled between the montant and base.
The support meanss are balance person of low position, and the pin of balance person of low position is located at base top, and the hand and arc for balancing person of low position connect
Extension bar is fixedly connected.
The weight of first balancing weight and the second balancing weight is identical.
Also include embedding magnet on additional bob-weight block, the additional bob-weight block.
Prior art is contrasted, the beneficial effects of the utility model are：
1st, the utility model uses equilibrium principle, apparatus for demonstrating is swung without dropping, and intuitively helps student's reason
Role and the effect brought under solution equilibrium condition, the present apparatus are simple in construction, and vivid and interesting effectively excites student
Practise interest.
2nd, base includes setting steel wire rope between two support bases, two support bases, and student can be facilitated to understand that person of low position walks
Steel wire scene, simple image.
3rd, tray bottom sets multiple bar-shaped troughs, facilitates apparatus for demonstrating to be stably placed on steel wire rope.
4th, support bar is expansion link, is easy to store the present apparatus, saves space.
5th, base includes support base, and support base top sets fixed block, can all the time rotated in order to apparatus for demonstrating without falling
Fall, increase the interest of the present apparatus.
The 6th, groove is set at the top of fixed block, support meanss is located inside grooves, support meanss can be prevented from fixed block
On drop.
7th, it is detachably connected between montant and fixed seat, the convenient for collecting present apparatus.Base center sets screw, support bar bottom
End sets external screw thread, is threadedly coupled between support bar and base, simple in construction, easy to process, is easy to assembling.
8th, support meanss are balance person of low position, and the pin of balance person of low position is located at base top, and the hand of balance person of low position is connected with arc
Bar is fixedly connected, and balance person of low position increases the aesthetic property of the present apparatus, improves the interest of Students ' Learning.In addition, for the ease of balance
Person of low position restores balance position, and the single pin of balance person of low position is located at the top of fixed block, and one hand is connected with arc-shaped connecting rod, processing side
Just.Other support meanss can also be support bar etc., and shape is not limited only to person of low position's shape.
9th, in addition to additional bob-weight block, embed magnet on additional bob-weight block, can by changing the quantity of additional bob-weight block,
Condition needed for image demonstration balance, and adsorbed additional bob-weight block on the first balancing weight or the second balancing weight by magnet,
It is easy to operate.
Brief description of the drawings
Accompanying drawing 1 is the structural representation of the utility model embodiment one；
Accompanying drawing 2 is chassis upward view structural representation in the utility model embodiment one；
Accompanying drawing 3 is the structural representation of the utility model embodiment two.
Label shown in accompanying drawing：1st, support base；2nd, support bar；3rd, steel wire rope；4th, arc-shaped connecting rod；5th, the first balancing weight；
6th, the second balancing weight；7th, bar-shaped trough；8th, screw；9th, external screw thread；10th, slipmat；11st, support meanss；12nd, additional bob-weight block；13、
Chassis；14th, base；15th, montant；16th, fixed block；17th, groove.
Embodiment
With reference to the drawings and specific embodiments, the utility model is described in further detail.It should be understood that these embodiments are only used for
Illustrate the utility model rather than limit scope of the present utility model.In addition, it is to be understood that reading the utility model instruction
Content after, those skilled in the art can make various changes or modifications to the utility model, and these equivalent form of values equally fall
In scope defined herein.
Teaching balance demonstration device, including base, the base top activity set apparatus for demonstrating, the apparatus for demonstrating
Including support meanss 11, the top of support meanss 11 sets arc-shaped connecting rod 4, and the two ends of arc-shaped connecting rod 4 are set respectively
First balancing weight 5 and the second balancing weight 6, the torque of the both sides of support meanss 11 are identical, and first balancing weight 5 and second is matched somebody with somebody
The height of pouring weight 6 is below the height on base top, and the physics center of gravity of the apparatus for demonstrating connects positioned at support meanss 11 with base
Touch at position.Torque is multiplied by the arm of force equal to power, and support meanss both sides torque is identical, i.e. the weight of the first balancing weight, which is multiplied by first, matches somebody with somebody
The weight that the distance of pouring weight to tie point is equal to the second balancing weight is multiplied by the second balancing weight to the distance of tie point.Described first matches somebody with somebody
The height of the balancing weight 6 of pouring weight 5 and second is below the height on base top, lowers the center of gravity, the low object of potential energy is more stable, thing
Body is bound to towards the low state change of potential energy.The physics center of gravity of the apparatus for demonstrating is located at support meanss 11 and base contacts position
Put, it is ensured that support meanss are not fallen.The Action of Gravity Field that object each several part is subject to converges, and this point is called physics center of gravity.This
Device uses equilibrium principle, allows apparatus for demonstrating to keep balance without dropping, intuitively helps student to understand under equilibrium condition
Role and the effect brought, the present apparatus are simple in construction, and vivid and interesting motivates students' interest in learning.
Further, the base includes setting support bar 2 and steel wire between two support bases 1, two support bases 1
Rope 3, the steel wire rope 3 is located at the top of support bar 2 and steel wire rope 3 is parallel with support bar 2, and the apparatus for demonstrating is movably arranged on
On steel wire rope 3, the bottom of support meanss 11 sets chassis 13.Student can be facilitated to understand person of low position's tight-wire walking scene, simple shape
As.
As optimization, the bottom of chassis 13 sets multiple bar-shaped troughs 7, facilitates apparatus for demonstrating to be stably placed steel wire rope
On.
As optimization, the support bar 2 is that telescopic locking device is set on expansion link, expansion link, is easy to consolidate expansion link
Required length is scheduled on, while being easy to store the present apparatus, space is saved.
Further walk, the base includes support base 1, the top of support base 1 sets fixed block 16, the apparatus for demonstrating
The top of fixed block 16 is movably arranged on, can all the time be rotated in order to apparatus for demonstrating without dropping, increases the interest of the present apparatus.
As optimization, the top of fixed block 16 sets groove 17, support meanss is located inside grooves, can prevent branch
Support arrangement drops from fixed block.
As optimization, the support base 1 includes base 14, and the bottom of base 14 sets slipmat 10, the top of base 14
Montant 15 is set, and the center of base 14 sets screw, and the bottom of montant 15 sets external screw thread, the montant 15 and base 14
Between be threadedly coupled the convenient for collecting present apparatus, base center sets screw, and support bar bottom sets external screw thread, support bar and base
Between be threadedly coupled, it is simple in construction, it is easy to process, be easy to assembling.
As optimization, the support meanss 11 are balance person of low position, and the pin of balance person of low position is located at base top, balance person of low position's
Hand is fixedly connected with arc-shaped connecting rod 4, and balance person of low position increases the aesthetic property of the present apparatus, makes the present apparatus vividly attractive in appearance, improves student
The interest of study.In addition, being restored balance position for the ease of balance person of low position, the single pin of balance person of low position is located at the top of steel wire rope, and
It is easy to process and one hand is connected with arc-shaped connecting rod.Other support meanss can also be support bar etc., and shape is not limited only to person of low position
Shape.
As optimization, first balancing weight 5 is identical with the weight of the second balancing weight 6, when the first balancing weight and second is matched somebody with somebody
When the weight of pouring weight is identical, now the link position of support meanss and arc-shaped connecting rod is located at the center of arc-shaped connecting rod, convenient
Processing, good appearance.
As optimization, in addition to additional bob-weight block 12, magnet is embedded on the additional bob-weight block 12, can be attached by changing
Plus the quantity of balancing weight, condition needed for image demonstration balance, and adsorbed additional bob-weight block in the first balancing weight by magnet
It is easy to operate or second on balancing weight.
Embodiment 1：
Teaching balance demonstration device, including base, the base include two support bases 1, two support bases 1 it
Between support bar 2 and steel wire rope 3 are set, the steel wire rope 3 is located at the top of support bar 2, and steel wire rope 3 is parallel with support bar 2, described
Support bar 2 is that telescopic locking device is set on expansion link, expansion link, is easy to expansion link being fixed on required length, is easy to simultaneously
The present apparatus is stored, space is saved.Activity sets apparatus for demonstrating on the steel wire rope 3, and the apparatus for demonstrating includes support meanss 11,
The bottom of support meanss 11 sets chassis 13, and the top of support meanss 11 sets arc-shaped connecting rod 4, the arc-shaped connecting rod
4 two ends set the first balancing weight 5 and the second balancing weight 6 respectively, and the torque of the both sides of support meanss 11 is identical, wherein support dress
It is tie point to put with arc-shaped connecting rod link position.The bottom of chassis 13 sets multiple strip grooves 7, facilitates apparatus for demonstrating steady
Surely place on a steel cord.The present embodiment can facilitate student to understand person of low position's tight-wire walking scene, simple image.
Embodiment 2：
Teaching balance demonstration device, including base, the base include support base 1, and support base 1 includes base 14, institute
State the top of base 14 and montant 15 is set, the top of montant 15 sets fixed block 16, and the apparatus for demonstrating is movably arranged on fixation
The top of block 16, the apparatus for demonstrating includes support meanss 11, and the top of support meanss 11 sets arc-shaped connecting rod 4, the arc
The two ends of shape connecting rod 4 set the first balancing weight 5 and the second balancing weight 6 respectively, and the torque of the both sides of support meanss 11 is identical, its
Middle support bar is tie point with arc-shaped connecting rod link position, and the present embodiment can be all the time rotated without falling in order to apparatus for demonstrating
Fall, increase the interest of the present apparatus.
Claims (10)
1. teaching balance demonstration device, it is characterised in that：Including base, the base top activity sets apparatus for demonstrating, institute
Stating apparatus for demonstrating includes support meanss (11), and support meanss (11) top sets arc-shaped connecting rod (4), the arc connection
Bar (4) two ends set the first balancing weight (5) and the second balancing weight (6) respectively, and the torque of support meanss (11) both sides is identical,
The height of first balancing weight (5) and the second balancing weight (6) is below the height on base top, the physics of the apparatus for demonstrating
Center of gravity is located at support meanss (11) and base contacts position.
2. teaching balance demonstration device according to claim 1, it is characterised in that：The base includes two support bases
(1) support bar (2) and steel wire rope (3), are set between two support bases (1), and the steel wire rope (3) is located at support bar (2)
Top and steel wire rope (3) is parallel with support bar (2), the apparatus for demonstrating is movably arranged on steel wire rope (3), the support dress
Put (11) bottom and chassis (13) are set.
3. teaching balance demonstration device according to claim 2, it is characterised in that：Chassis (13) bottom sets many
Individual bar-shaped trough (7).
4. teaching balance demonstration device according to claim 2, it is characterised in that：The support bar (2) is expansion link.
5. teaching balance demonstration device according to claim 1, it is characterised in that：The base includes support base (1),
Support base (1) top sets fixed block (16), and the apparatus for demonstrating is movably arranged at the top of fixed block (16).
6. teaching balance demonstration device according to claim 5, it is characterised in that：Set at the top of the fixed block (16)
Groove (17).
7. the teaching balance demonstration device according to claim 2 or 5, it is characterised in that：The support base (1) includes bottom
Montant (15) is set at the top of seat (14), the base (14), and base (14) center sets screw, montant (15) bottom
External screw thread is set, is threadedly coupled between the montant (15) and base (14).
8. teaching balance demonstration device according to claim 1, it is characterised in that：The support meanss (11) are balance
Person of low position, the pin of balance person of low position is located at base top, and the hand of balance person of low position is fixedly connected with arc-shaped connecting rod (4).
9. teaching balance demonstration device according to claim 1, it is characterised in that：First balancing weight (5) and
The weight of two balancing weights (6) is identical.
10. teaching balance demonstration device according to claim 1, it is characterised in that：Also include additional bob-weight block (12),
Magnet is embedded on the additional bob-weight block (12).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621419971 | 2016-12-22 | ||
| CN2016214199710 | 2016-12-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206541508U true CN206541508U (en) | 2017-10-03 |
Family
ID=59943429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720285570.9U Active CN206541508U (en) | 2016-12-22 | 2017-03-22 | Teaching balance demonstration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206541508U (en) |
-
2017
- 2017-03-22 CN CN201720285570.9U patent/CN206541508U/en active Active
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