CN206975903U - A kind of structural stability demonstrator - Google Patents
A kind of structural stability demonstrator Download PDFInfo
- Publication number
- CN206975903U CN206975903U CN201720285236.3U CN201720285236U CN206975903U CN 206975903 U CN206975903 U CN 206975903U CN 201720285236 U CN201720285236 U CN 201720285236U CN 206975903 U CN206975903 U CN 206975903U
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- CN
- China
- Prior art keywords
- demonstrator
- connecting rod
- cloth
- stability
- structural stability
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of structural stability demonstrator, including head rod, fixed feet, cloth, positioning hole, weight, fixed claw, second connecting rod, dividing plate and demonstrator body, by setting head rod and the second connecting rod, and connecting rod is connected and is combined into a square, increase the setting of a piece of cloth and weight at the top of square again, some groups of positioning holes are set in the second connecting rod again, head rod at the top of square from two the second connecting rod connections is arranged in different positioning holes, relation between research structure and the stability of object；Two second connecting rods are set in bottom again, the Area of bearing that object is formed with ground can be changed, convenient research changes influence of the Area of bearing to the stability of whole device；It can also be easy to study the stability in terms of mass centre changing by changing the quantity of fixed feet, so as to change the position of centre of gravity of the object simultaneously.
Description
Technical field
It the utility model is related to a kind of demonstrator, and in particular to a kind of structural stability demonstrator.
Background technology
Teacher exists at present《Probe into structure》In this section teaching, three principal elements of analyzing influence structural stability, center of gravity
The height of position, structure contact the shape of formed supporting surface size and structure with ground, but are finished classes and leave school in numerous theories
Raw very indigestibility, the stability of structure is the critical nature of structure, is the learning foundation of structure design.How this class is broken through
Teaching difficulty, emphasis, teacher is mostly to enumerate life example to illustrate the master with analyzing influence structural stability in teaching process
Want most of factor, student still indigestion.
Utility model content
The utility model provides a kind of structural stability demonstrator, solves current teacher and is imparting knowledge to students《Probe into structure》In,
The factor of influence structural stability, which is illustrated by way of example, to get information about student, and school ties without a demonstration
The problem of device of structure stability, trouble being brought to teacher's teaching, while also increasing the difficulty of Students ' Learning.
In order to solve the above-mentioned technical problem, the utility model provides following technical scheme：
A kind of structural stability demonstrator of the utility model, including demonstrator body, the demonstrator body is by 12
Connecting rod forms, and the side of the demonstrator body is provided with two the second connecting rods perpendicular to top and bottom, the demonstrator sheet
The bottom of body is additionally provided with two second connecting rods, and two second connecting rods are perpendicular to including other two second connecting rods
Side, remaining eight connecting rod are disposed as head rod, and the upper and lower side of the head rod is equipped with two positioning
Hole, second connecting rod are provided with some groups of two positioning holes, and every group in the head rod and the second connecting rod
Angle between two positioning holes is 90 degree, is fixedly connected between all connecting rods each other by positioning hole, the demonstration
Cloth is connected with the top of instrument body, the cloth is fixedly arranged above fixed claw, weight is placed with the fixed claw, and described drills
Show that the corner of bottom four of instrument body is respectively connected with fixed feet, the upper and lower side inside the fixed feet is equipped with dividing plate.
As a kind of optimal technical scheme of the present utility model, symmetrical two sides are sewed with through hole on the cloth, and two
Head rod described in root is connected through the through hole with cloth.
As a kind of optimal technical scheme of the present utility model, the cloth is provided with the hole corresponding with fixed claw, institute
Fixed claw is stated through the hole with cloth to be connected.
As a kind of optimal technical scheme of the present utility model, the weight includes several sizes, shape and quality phase
Same cylinder.
As a kind of optimal technical scheme of the present utility model, the both ends of the fixed feet are that opening is set, and described
The internal diameter of fixed feet is more than the internal diameter of connecting rod, and the fixed feet is set in outside connecting rod.
The beneficial effect that the utility model is reached is：By setting head rod and the second connecting rod, and will connection
Bar, which connects, is combined into a square, then increases the setting of a piece of cloth and weight at the top of square, is easy to when change
The position of centre of gravity of the square, structure, when contacting with ground the shape of formed supporting surface size and structure, observation weight is
It is no to collapse, so as to learn the knowledge in terms of object structures stability；Some groups of positioning holes are set in the second connecting rod again, will
Head rod at the top of square from two the second connecting rod connections is arranged in different positioning holes, studies the steady of the object
It is qualitative；Two second connecting rods are set in bottom again, the Area of bearing that object is formed with ground can be changed, it is convenient to study object
Stability；Simultaneously can also by changing the quantity of fixed feet, so as to change the position of centre of gravity of the object, be easy to research on
Stability in terms of mass centre changing.
Brief description of the drawings
Accompanying drawing is used for providing further understanding to of the present utility model, and a part for constitution instruction, with this practicality
New embodiment is used to explain the utility model together, does not form to limitation of the present utility model.
In the accompanying drawings：
Fig. 1 is a kind of overall structure figure of structural stability demonstrator of the utility model；
Fig. 2 is the structure chart of this practical head rod；
Fig. 3 is the structure chart of the second connecting rod of this practicality；
Fig. 4 is the structure chart of this practical fixed feet；
In figure：1st, head rod；2nd, fixed feet；3rd, cloth；4th, positioning hole；5th, weight；6th, fixed claw；7th, the second connection
Bar；8th, dividing plate；9th, demonstrator body.
Embodiment
Preferred embodiment of the present utility model is illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein excellent
Select embodiment to be merely to illustrate and explain the utility model, be not used to limit the utility model.
Embodiment：As Figure 1-4, a kind of structural stability demonstrator of the utility model, including demonstrator body 9, are drilled
Show that instrument body 9 is made up of 12 connecting rods, the side of demonstrator body 9 is provided with two the second connecting rods perpendicular to top and bottom
7, the bottom of demonstrator body 9 is additionally provided with two second connecting rods 7, and this two second connecting rods 7 are perpendicular to including other two
The side of the second connecting rod of root 7, remaining eight connecting rod are disposed as head rod 1, and the upper and lower side of head rod 1 is equal
Provided with two positioning holes 4, the second connecting rod 7 is provided with some groups of two positioning holes 4, and the connecting rod 7 of head rod 1 and second
Angle between two upper every group positioning holes 4 is 90 degree, fixes and connects each other by positioning hole 4 between all connecting rods
Connecing, the top of demonstrator body 9 is connected with cloth 3, and cloth 3 is fixedly arranged above fixed claw 6, weight 5 is placed with fixed claw 6, and
The corner of bottom four of demonstrator body 9 is respectively connected with fixed feet 2, and the upper and lower side inside fixed feet 2 is equipped with dividing plate 8.
Symmetrical two sides are sewed with through hole on cloth 3, and two head rods 1 are connected through the through hole with cloth 3,
It is easy to the both sides of cloth 3 being enclosed on two head rods 1.
Cloth 3 is provided with the hole corresponding with fixed claw 6, and fixed claw 6 is connected through the hole with cloth 3, and avoids hole
Hole is arranged on the center of cloth, is easy to fixed claw 6 being fixed on cloth 3, convenient that weight 5 is placed on fixed claw 6.
Weight 5 includes several sizes, shape and cylinder identical in quality, is easy to form weight by several cylinders
Thing 5, make the stability of weight 5 not high, convenient experiment is carried out.
The both ends of fixed feet 2 are that opening is set, and the internal diameter of fixed feet 2 is more than the internal diameter of connecting rod, and fixed feet 2 is arranged
Outside connecting rod, it is easy to fixed feet 2 being fixed on the lower section of square.
Specifically, when in use, 12 connecting rods are first connected into square, then at the four corners below of square
Be connected pin 2, then fixed claw 6 and weight 5 are placed on the cloth 3 above square, observes the stability of whole device；First lead to
Change structural research stability is crossed, fixed claw 6 and weight 5 are removed, then by two, top head rod 1 and side second
The position that connecting rod 7 connects changes, and tie point is moved down into first group of positioning hole 4, then again put fixed claw 6 and weight 5
On cloth 3, the stability of whole device is observed, is further continued for repeated work, tie point is moved down, observe the stabilization of whole device
Property；Again by changing center of gravity research stability, first weight 5 and fixed claw 6 are removed, then changed the quantity of fixed feet 2,
The lower section of fixed feet 2 is arranged more fixed feets 2, makes the height of whole device increase, then weight 5 and fixed claw 6 are placed on into cloth 3
On, observe stability；Operation before repeating, observes overall stability；Finally study Area of bearing and object stability
Relation, weight 5 and fixed claw 6 are removed, then moved two second connecting rods 7 of side and the position of the tie point of bottom surface
It is dynamic, it is moved in the different positioning holes 4 of two second connecting rods 7 in bottom surface, observes the stability of whole device.
This kind of structural stability demonstrator, by setting the connecting rod 7 of head rod 1 and second, and connecting rod is connected
Get up to be combined into a square, then increase the setting of a piece of cloth 3 and weight 5 at the top of square, be easy to that this ought be being changed just
The position of centre of gravity of cube, structure, when contacting with ground the shape of formed supporting surface size and structure, whether observation weight can
Collapse, so as to learn the knowledge in terms of object structures stability；Some groups of positioning holes 4 are set in the second connecting rod 7, by pros
Head rod 1 at the top of body from two the second connecting rod 7 connections is arranged in different positioning holes 4, studies the steady of the object
It is qualitative；Two second connecting rods 7 are set in bottom again, the Area of bearing that object is formed with ground can be changed, it is convenient to study thing
The stability of body；, so as to change the position of centre of gravity of the object, it can also be easy to study by changing the quantity of fixed feet 2 simultaneously
Stability in terms of mass centre changing.
Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic
Carry out equivalent substitution.All any modification, equivalent substitution and improvements within the spirit and principles of the utility model, made etc.,
It should be included within the scope of protection of the utility model.
Claims (5)
1. a kind of structural stability demonstrator, including demonstrator body（9）, it is characterised in that the demonstrator body（9）By ten
Two connecting rod compositions, the demonstrator body（9）Side be provided with two the second connecting rods perpendicular to top and bottom（7）, institute
State demonstrator body（9）Bottom be additionally provided with two second connecting rods（7）, and two second connecting rods（7）Perpendicular to comprising
Other two second connecting rods（7）Side, remaining eight connecting rod is disposed as head rod（1）, described first connects
Extension bar（1）Upper and lower side be equipped with two positioning holes（4）, second connecting rod（7）It is provided with some groups of two positioning holes
（4）, and the head rod（1）With the second connecting rod（7）Two upper every group positioning holes（4）Between angle be 90
Spend, each other by positioning hole between all connecting rods（4）It is fixedly connected, the demonstrator body（9）Top be connected with cloth
（3）, the cloth（3）Be fixedly arranged above fixed claw（6）, the fixed claw（6）On be placed with weight（5）, and the demonstrator
Body（9）The corner of bottom four be respectively connected with fixed feet（2）, the fixed feet（2）Internal upper and lower side is equipped with dividing plate
（8）.
A kind of 2. structural stability demonstrator according to claim 1, it is characterised in that the cloth（3）Upper symmetrical two
Bar side is sewed with through hole, two head rods（1）Run through the through hole and cloth（3）It is connected.
A kind of 3. structural stability demonstrator according to claim 1, it is characterised in that the cloth（3）It is provided with consolidating
Determine pawl（6）Corresponding hole, the fixed claw（6）Through the hole and cloth（3）It is connected.
A kind of 4. structural stability demonstrator according to claim 1, it is characterised in that the weight（5）Including some
Individual size, shape and cylinder identical in quality.
A kind of 5. structural stability demonstrator according to claim 1, it is characterised in that the fixed feet（2）Both ends
It is that opening is set, and the fixed feet（2）Internal diameter be more than connecting rod internal diameter, the fixed feet（2）It is set in connecting rod
Outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720285236.3U CN206975903U (en) | 2017-03-23 | 2017-03-23 | A kind of structural stability demonstrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720285236.3U CN206975903U (en) | 2017-03-23 | 2017-03-23 | A kind of structural stability demonstrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206975903U true CN206975903U (en) | 2018-02-06 |
Family
ID=61414844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720285236.3U Expired - Fee Related CN206975903U (en) | 2017-03-23 | 2017-03-23 | A kind of structural stability demonstrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206975903U (en) |
-
2017
- 2017-03-23 CN CN201720285236.3U patent/CN206975903U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180206 Termination date: 20190323 |