CN206370209U - A kind of Multifunctional teaching aid for structural mechanics geometric composition analysis - Google Patents
A kind of Multifunctional teaching aid for structural mechanics geometric composition analysis Download PDFInfo
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- CN206370209U CN206370209U CN201621162016.3U CN201621162016U CN206370209U CN 206370209 U CN206370209 U CN 206370209U CN 201621162016 U CN201621162016 U CN 201621162016U CN 206370209 U CN206370209 U CN 206370209U
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- 239000000203 mixture Substances 0.000 title claims abstract description 19
- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- 229910000838 Al alloy Inorganic materials 0.000 claims description 16
- 239000000956 alloy Substances 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 16
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Abstract
The utility model provides a kind of Multifunctional teaching aid for structural mechanics geometric composition analysis, and the Multifunctional teaching aid includes two tablet schemes or three tablet schemes.In two described tablet schemes, the plate face of two tablets is located in same vertical plane and is parallel to each other, and line and the tablet short side of two tablet central points are parallel to each other, and the line of central point is 350mm；In three described tablet schemes, the plate face of three tablets is located in same vertical plane, described D tablets and E tablets long 300mm, wide 200mm, positioned at the side of Multifunctional teaching aid；Described C tablets long 650mm, wide 150mm, positioned at the opposite side of Multifunctional teaching aid.The utility model can be connected by the combination of diverse location node and rod member in different tablets, realize the various systems under different situations, by the use of structure self gravitation as load, realize that geometrically unstable system, geometry often become the conversion of system and geometry constant variable system in varied situations.
Description
Technical field
The utility model belongs to civil engineering Teaching of Structural Mechanics field, is related to a kind of for structural mechanics geometry group
Into the Multifunctional teaching aid of analytic instruction.
Background technology
Structural mechanics is the mandatory subject of institution of higher learning's civil engineering, and theory teaching is institution of higher learning's knot all the time
The main teaching method of structure mechanics, but the attention with higher education to experimental teaching, carrying out structural mechanics experiment also turns into one
Plant imperative trend.
Geometric composition analysis as structural mechanics course introductory song chapters and sections, from geometry constitute angle discuss structural mechanics in
One between side, but geometric composition analysis and internal force analysis again be closely related.
From the perspective of geometry composition, member system can be divided into two classes：Geometrically unstable system, geometrically stable system；Its
In, geometrically unstable system can be divided into geometry and often become system and geometry constant variable system again.In the geometric composition analysis of plane system
In, most basic rule is to be hinged two tablets rule and three tablets rule.
Student is only by bookish study, it is difficult to know from experience mechanical characteristic and displacement of the different systems under load action
Characteristic, and due to laboratory condition at this stage, it is difficult to meet the requirement of experiment of all students.Therefore, as Teaching of Structural Mechanics
In an indispensable part, it is reliable, directly perceived, easily geometric composition analysis teaching aid become pressing issue.
The utility model provides a kind of Multifunctional teaching aid for structural mechanics geometric composition analysis, passes through structure itself
Gravity is as load, and the displacement for finding out structure in the method for range estimation changes, and measurement rod member is used as using the buckling deformation amount of rod member
The index of stress, by the combination connection of diverse location node, the various ways of rod member in different tablets, realizes above-mentioned three kinds
The flexible conversion of system, be structural mechanics geometric composition analysis teaching be smoothed out lay a good foundation.
Utility model content
To improve the intuitive of the structural mechanics geometric composition analysis content of courses, it is several that utility model one kind is used for structural mechanics
The Multifunctional teaching aid of what composition analysis, realizes the flexible conversion of above-mentioned three kinds of systems, is the religion of structural mechanics geometric composition analysis
Learn be smoothed out lay a good foundation.
In order to achieve the above object, the technical solution of the utility model is as follows：
A kind of Multifunctional teaching aid for structural mechanics geometric composition analysis, the Multifunctional teaching aid include two tablet schemes or
Three tablet schemes；Described Multifunctional teaching aid can realize that geometrically unstable system, geometry often become system and geometry constant variable system exists
Conversion under different situations.
In two described tablet schemes, the plate face of two tablets is located in same vertical plane and is parallel to each other, and two just
The line of piece central point is parallel to each other with tablet short side, and the line of central point is 350mm.
When the Multifunctional teaching aid of two described tablets includes rectangle A tablets, rectangle B tablets and rod member, with long below A tablets
Side center is plane right-angle coordinate center, and the plane right-angle coordinate that unit is mm is set up in long side as x-axis direction；It is described
A use aluminum alloy materials, long 604mm, wide 300mm, thickness is to have 6 nodes in 6mm, A tablets；Four angle points of A tablets are sat
It is designated as (- 302,0), (302,0), (- 302,150), (302,150), six node coordinate A1 (- 252,75) A2 of A tablets (-
202,75)A3(-202,21)A4(0,75)A5(202,75)A6(252,75).Described B tablets use aluminum alloy materials, long
604mm, wide 300mm, thickness are to have 5 nodes in 6mm, B tablets；Four angular coordinates of B tablets be (- 302,350), (302,
350), (- 302,500), (302,500), thickness is 6mm；B tablet node coordinate B1 (- 202,425) B2 (- 50,425) B3 (0,
425)B4(50,425)B5(202,425).Described rod member uses stainless steel material, and thickness is 2mm, described tablet and rod member
Between connected by the way of being hinged.
When the Multifunctional teaching aid of three described tablets includes rectangle C tablets, rectangle D tablets, rectangle E tablets and rod member, with C
Chang Bian centers are plane right-angle coordinate center below tablet, and long side is set up the flat square that unit is mm and sat as x-axis direction
Mark system.Described C tablets use aluminum alloy materials, and thickness is 6mm, its four angular coordinates be (- 325,0), (325,0), (-
325,150), (325,150), its node coordinate C1 (- 275,122) C2 (- 225,122) C3 (- 50,122) C4 (50,122) C5
(225,122)C6(275,122)C7(-50,75)C8(50,75).Described D tablets are that rectangle uses aluminum alloy materials, thickness
For 6mm, its four angular coordinates are (- 325,395), (- 25,395), (- 25,595), (- 325,595), node coordinate D1 (-
275,565)D2(-175,565)D3(-275,495)D4(-175,495)D5(-275,425)D6(-209,425)D7(-175,
425)D8(-50,425).Described E tablets use aluminum alloy materials, and thickness is 6mm；Its four angular coordinates for (325,
395), (25,395), (25,595), (325,595), node coordinate E1 (275,565) E2 (175,565) E3 (275,495) E4
(175,495)E5(275,425)E6(209,425)E7(175,425)E8(50,425).Between described tablet and rod member all
Connected using the mode being hinged.
In three described tablet schemes, the plate face of three tablets is located in same vertical plane, described D tablets and E
Tablet long 300mm, wide 200mm, positioned at the side of Multifunctional teaching aid；Described C tablets long 650mm, wide 150mm, positioned at many
The opposite side of function teaching aid.The line formation triangle of the central point of three described tablets, E tablets and D tablet central points
Line is parallel to each other with the long side of E tablets, and the line of central point is 350mm；C tablets, D tablet centre distances 455mm；C tablets, E
Tablet centre distance 455mm.Connect C tablets, the rod member of D tablets and other rod members not in the same plane, during system deformation, bar
Part is not interfere with each other mutually.
The beneficial effects of the utility model are：Connected by the combination of diverse location node and rod member in different tablets, it is real
Various systems under existing different situations, by the use of structure self gravitation as load, the displacement of structure is found out in the method for range estimation
Change, using the buckling deformation amount of rod member as the index for weighing rod member stress, the stress that can intuitively show different systems is special
Property and placement property, while the utility model is very light as teaching aid, are easy to use on classroom.
Brief description of the drawings
Fig. 1 is plate face schematic diagram；
Fig. 2 is the Multifunctional teaching aid node location schematic diagram of two tablets；
Fig. 3 often becomes the schematic diagram of system situation 1 for the Multifunctional teaching aid of two tablets for geometry；
Fig. 4 often becomes the schematic diagram of system situation 2 for the Multifunctional teaching aid of two tablets for geometry；
Fig. 5 is used for the schematic diagram of geometry constant variable system situation 1 for the Multifunctional teaching aid of two tablets；
Fig. 6 is used for the schematic diagram of geometry constant variable system situation 2 for the Multifunctional teaching aid of two tablets；
Fig. 7 is used for geometrically stable system schematic diagram for the Multifunctional teaching aid of two tablets；
Fig. 8 is the Multifunctional teaching aid node location schematic diagram of three tablets；
Fig. 9 is that the Multifunctional teaching aid of three tablets is used for geometry constant variable system schematic diagram in the case of three hinge infinitys；
Geometry often becomes system schematic diagram in the case of Figure 10 is used for three hinge infinitys for the Multifunctional teaching aid of three tablets；
Figure 11 is that the Multifunctional teaching aid of three tablets is used for geometrically stable system schematic diagram in the case of two hinge infinitys；
Figure 12 is that the Multifunctional teaching aid of three tablets is used for geometry constant variable system schematic diagram in the case of two hinge infinitys；
Figure 13 is that the Multifunctional teaching aid of three tablets is used for geometrically unstable system schematic diagram in the case of two hinge infinitys；
Figure 14 is that the Multifunctional teaching aid of three tablets is used for geometrically stable system schematic diagram in the case of a hinge infinity；
Figure 15 is that the Multifunctional teaching aid of three tablets is used for geometry constant variable system schematic diagram in the case of a hinge infinity；
Figure 16 is that the Multifunctional teaching aid of three tablets is used for geometrically unstable system schematic diagram in the case of a hinge infinity；
It is not that geometrically stable system is illustrated in the case of infinity is cut with scissors that Figure 17 is used for three hinges for the Multifunctional teaching aid of three tablets
Figure；
It is not that geometry constant variable system is illustrated in the case of infinity is cut with scissors that Figure 18 is used for three hinges for the Multifunctional teaching aid of three tablets
Figure.
Embodiment
The utility model is described in detail with reference to the accompanying drawings and examples.
A kind of Multifunctional teaching aid for structural mechanics geometric composition analysis, the Multifunctional teaching aid include two tablet schemes or
Three tablet schemes；Described Multifunctional teaching aid can realize that geometrically unstable system, geometry often become system and geometry constant variable system exists
Conversion under different situations.
In two described tablet schemes, the plate face of two tablets is located in same vertical plane, and is parallel to each other, and two just
The line of piece central point is parallel to each other with tablet short side, and the line of central point is 350mm, as shown in Figure 2.
When the Multifunctional teaching aid of two described tablets includes A tablets, B tablets and rod member, as shown in Fig. 2 it is straight to set up plane
Angular coordinate system, the unit of plane right-angle coordinate is mm；Described A tablets are rectangle, and using aluminum alloy materials, long 604mm is wide
300mm, thickness is to have 6 nodes in 6mm, A tablets；Four angular coordinates be (- 302,0), (302,0), (- 302,150),
(302,150), described node coordinate A1 (- 252,75) A2 (- 202,75) A3 (- 202,21) A4 (0,75) A5 (202,75) A6
(252,75).Described B tablets are rectangle, and using aluminum alloy materials, long 604mm, wide 300mm, thickness are to have in 6mm, B tablets
5 nodes；Four angular coordinates are (- 302,350), (302,350), (- 302,500), (302,500), using aluminium alloy material
Material, thickness is 6mm；Node coordinate B1 (- 202,425) B2 (- 50,425) B3 (0,425) B4 (50,425) B5 (202,425).Institute
The rod member stated uses stainless steel material, and thickness is 2mm, is connected between described tablet and rod member by the way of being hinged.
When the Multifunctional teaching aid of two described tablets often becomes system for geometry, including two kinds of structures, it is specially：
Described A tablets and B tablets is connected by three rod members, and the two ends of every rod member respectively connect two tablets；
One end of three described rod members is all connected to a point in one of tablet, and the other end of three rod members is connected to
Three points of the diverse location in another tablet.As shown in figure 3, A2, B3 are connected, A4, B3 connection, A5, B3 connection.
Described A tablets and B tablets is connected by three rod members, and the equal one end of each rod member connects a tablet, another
End connects another tablet；Three described rod members are parallel to each other and isometric, as shown in figure 4, A2, B1 are connected, A4, B3 connection,
A5, B5 are connected.
When the Multifunctional teaching aid of two described tablets is used for geometry constant variable system, including two kinds of structures, it is specially：
Two described tablets are connected by three rod members, and the equal one end of each rod member connects a tablet, and the other end connects
Connect another tablet；Three described rod member one end are connected to three points of the diverse location of one of tablet, three
The other end of rod member is connected to three points of the diverse location in another tablet, but the extended line of three rod members meets at one
Point；As shown in figure 5, A1, B2 are connected, A4, B3 connection, A6, B4 connection.
Two described tablets are connected by three rod members, and the equal one end of each rod member connects a tablet, and the other end connects
Another tablet is connect, three rod members are parallel to each other but Length discrepancy；As shown in fig. 6, A3, B1 are connected, and A4, B3 connection, A5, B5 connect
Connect.
When the Multifunctional teaching aid of two described tablets is used for geometrically stable system, it is specially：
Two described tablets are connected by three rod members, and the equal one end of each rod member connects a tablet, and the other end connects
Connect another tablet；Two rod members in three described rod members meet at any or the extended line of two rod members is met at a bit, this
Intersection point is not on the extended line of another rod member or another rod member；As shown in fig. 7, A1, B2 are connected, A4, B3 connection, A5,
B5 connections.
When the Multifunctional teaching aid of three described tablets includes C tablets, D tablets, E tablets and rod member, as shown in figure 8, setting up
Plane right-angle coordinate.Described C tablets are rectangle, four angular coordinates be (- 325,0), (325,0), (- 325,150),
(325,150), using aluminum alloy materials, thickness is 6mm；Node coordinate C1 (- 275,122) C2 (- 225,122) C3 (- 50,
122)C4(50,122)C5(225,122)C6(275,122)C7(-50,75)C8(50,75).Described D tablets are rectangle, four
Individual angular coordinate is (- 325,395), (- 25,395), (- 25,595), (- 325,595), and using aluminum alloy materials, thickness is
6mm；Node coordinate D1 (- 275,565) D2 (- 175,565) D3 (- 275,495) D4 (- 175,495) D5 (- 275,425) D6 (-
209,425)D7(-175,425)D8(-50,425).Described E tablets are rectangle, four angular coordinates be (325,395),
(25,395), (25,595), (325,595), using aluminum alloy materials, thickness is 6mm；Node coordinate E1 (275,565) E2
(175,565)E3(275,495)E4(175,495)E5(275,425)E6(209,425)E7(175,425)E8(50,425).Institute
All connected between the tablet and rod member stated using the mode being hinged.
In three described tablet schemes, the plate face of three tablets is located in same vertical plane, described D tablets and E
Tablet long 300mm, wide 200mm, positioned at the side of Multifunctional teaching aid；Described C tablets long 650mm, wide 150mm, positioned at many
The opposite side of function teaching aid.The line formation triangle of the central point of three described tablets, E tablets and D tablet central points
Line is parallel to each other with the long side of E tablets, and the line of central point is 350mm；C tablets, D tablet centre distances 455mm；C tablets, E
Tablet centre distance 455mm.When system is deformed, rod member is not interfere with each other mutually.
When the Multifunctional teaching aid of three described tablets is used for geometry constant variable system in the case of three hinge infinitys, described three
Each two tablet is connected by two rod members in individual tablet, wherein the rod member of two tablets of connection be parallel to each other respectively but
It is long.As shown in figure 9, D2, E2 are connected, D3, E3 connection, C1, D5 connection, C7, D8 connection, C8, E8 connection, C6, E5 connection.
When the Multifunctional teaching aid of three described tablets often becomes system in the case of three hinge infinitys for geometry, described three
Each two tablet is connected by two rod members in individual tablet；Wherein there is two rod members difference phase of two groups of connections, two tablets
Mutually parallel and isometric, another group does not require.As shown in Figure 10, D2, E2 are connected, D4, E4 connection, C1, D5 connection, and C3, D8 connect
Connect, C4, E8 connection, C6, E5 connection.
When the Multifunctional teaching aid of three described tablets is used for geometrically stable system in the case of two hinge infinitys, described three
Each two tablet is connected by two rod members in individual tablet；Wherein there is two rod members difference of two groups of connections, two tablets mutual
It is parallel, but two groups of parallel bars are not parallel to each other；The rod member of 3rd group of connection, two tablets is not parallel to each other.As shown in figure 11,
D2, E2 are connected, D3, E3 connection, C1, D5 connection, C2, D8 connection, C8, E8 connection, C6, E5 connection.
When the Multifunctional teaching aid of three described tablets is used for geometry constant variable system in the case of two hinge infinitys, described three
Each two tablet is connected by two rod members in individual tablet；Wherein there is two rod members difference of two groups of connections, two tablets mutual
Parallel but Length discrepancy；The rod member of 3rd group of connection, two tablets is not parallel to each other.As shown in figure 12, D2, E2 are connected, and D7, E4 connect
Connect, C1, D5 connection, C7, D8 connection, C8, E8 connection, C6, E5 connection.
When the Multifunctional teaching aid of three described tablets often becomes system in the case of two hinge infinitys for geometry, described three
Each two tablet is connected by two rod members in individual tablet；Wherein there is two rod members difference of two groups of connections, two tablets mutual
Parallel and isometric, two rod members for having one group of connection, two tablets are not parallel to each other.As shown in figure 13, D2, E2 are connected, D7, E4
Connection, C1, D5 connection, C3, D8 connection, C4, E8 connection, C6, E5 connection.
When the Multifunctional teaching aid of three described tablets is used for geometrically stable system in the case of a hinge infinity, described three
Each two tablet is connected by two rod members in individual tablet；Wherein there is two rod members difference of one group of connection, two tablets mutual
Parallel, the rod member for having two groups of connections, two tablets is not parallel to each other, and the intersection point line of two groups of not parallel rod members is put down with another group
Row rod member is not parallel to each other.As shown in figure 14, D4, E2 are connected, D7, E4 connection, C1, D5 connection, C2, D8 connection, and C5, E8 connect
Connect, C6, E5 connection.
When the Multifunctional teaching aid of three described tablets is used for geometry constant variable system in the case of a hinge infinity, described three
Each two tablet is connected by two rod members in individual tablet；Two rod members for wherein having one group of connection, two tablets are mutually put down
OK, two rod members for having two groups of connections, two tablets are not parallel to each other, the intersection point line of not parallel two groups of rod members with another group
Parallel bar is parallel to each other but Length discrepancy.As shown in figure 15, D2, E2 are connected, D3, E3 connection, C1, D5 connection, C2, D8 connection,
C5, E8 are connected, C6, E5 connection.
When the Multifunctional teaching aid of three described tablets is used for geometrically unstable system in the case of a hinge infinity, described three
Each two tablet is connected by two rod members in individual tablet；Two rod members for wherein having one group of connection, two tablets are mutually put down
OK, two rod members for having two groups of connections, two tablets are not parallel to each other, the intersection point line of not parallel two groups of rod members with another group
Parallel bar is parallel to each other and isometric.As shown in figure 16, D1, E1 are connected, D3, E3 connection, C1, D5 connection, C2, D8 connection, C5,
E8 connections, C6, E5 connection.
The Multifunctional teaching aid of three described tablets three hinge be not infinity hinge in the case of be used for geometrically stable system when,
Each two tablet is connected by two rod members in three described tablets, wherein two rod members of three groups of connections, two tablets are equal
It is not parallel to each other, the intersection point line of three groups of rod members is not conllinear.As shown in figure 17, D2, E2 are connected, D7, E4 connection；C1, D5 are connected,
C2, D8 are connected；C5, E8 are connected, C6, E5 connection.
The Multifunctional teaching aid of three described tablets three hinge be not infinity hinge in the case of be used for geometry constant variable system when,
Each two tablet is connected by two rod members in three described tablets, wherein two rod members of three groups of connections, two tablets are equal
It is not parallel to each other, the intersection point line of three groups of rod members is conllinear.As shown in figure 18, D2, E2 are connected, D7, E4 connection；C1, D5 are connected,
C7, D6 are connected；C8, E6 are connected, C6, E5 connection.
It is described above, only the utility model preferably embodiment, but protection domain of the present utility model is not
It is confined to this.Any one skilled in the art is in the technical scope that the utility model is illustrated, according to this practicality
New technical scheme and its utility model design are subject to replace or change on an equal basis, should all cover in protection model of the present utility model
The row enclosed.
Claims (4)
1. a kind of Multifunctional teaching aid for structural mechanics geometric composition analysis, it is characterised in that described Multifunctional teaching aid bag
Include rectangle A tablets, rectangle B tablets and rod member；Described A tablets and a length of 604mm of B tablets, a width of 300mm, thickness is
6mm；The plate face of two described tablets be located at same vertical plane in and be parallel to each other, the line of two tablet central points with just
Piece short side is parallel to each other, and the line of central point is 350mm；Connected between described tablet and rod member by the way of being hinged；
Plane right-angle coordinate center is in Chang Bian centers below using A tablets, and long side is as x-axis direction, and it is the flat of mm to set up unit
Face rectangular coordinate system；Have 6 nodes in described A tablets, node coordinate be respectively A1 (- 252,75) A2 (- 202,75) A3 (-
202,21) A4 (0,75) A5 (202,75) A6 (252,75), described four angular coordinates of A tablets are (- 302,0), (302,
0), (- 302,150), (302,150)；Have 5 nodes in described B tablets, node coordinate be respectively B1 (- 202,425) B2 (-
50,425) B3 (0,425) B4 (50,425) B5 (202,425), four angular coordinates of B tablets be (- 302,350), (302,
350), (- 302,500), (302,500)；
Described Multifunctional teaching aid can realize that geometrically unstable system, geometry often become system and geometry constant variable system in different situations
Under conversion.
2. a kind of Multifunctional teaching aid for structural mechanics geometric composition analysis according to claim 1, it is characterised in that
Described A tablets and B tablets are made using aluminum alloy materials；Described rod member uses stainless steel material, and thickness is 2mm.
3. a kind of Multifunctional teaching aid for structural mechanics geometric composition analysis, it is characterised in that described Multifunctional teaching aid bag
Include rectangle C tablets, rectangle D tablets, rectangle E tablets and rod member；The plate face of three described tablets is located in same vertical plane,
Described D tablets and a length of 300mm of E tablets, a width of 200mm, positioned at the side of Multifunctional teaching aid, described C tablets are long
650mm, wide 150mm, positioned at the opposite side of Multifunctional teaching aid；The line formation triangle of the central point of three described tablets, E
The line of tablet and D tablet central points is parallel to each other with the long side of E tablets, a length of 350mm of line；C tablets, D tablets, C tablets, E
The centre distance of tablet is 455mm；All connected between described tablet and rod member using the mode being hinged；
Plane right-angle coordinate center is in Chang Bian centers below using C tablets, and long side is as x-axis direction, and it is the flat of mm to set up unit
Face rectangular coordinate system；Described C tablets use aluminum alloy materials, and thickness is 6mm, its four angular coordinates be (- 325,0),
(325,0), (- 325,150), (325,150), its node coordinate C1 (- 275,122) C2 (- 225,122) C3 (- 50,122) C4
(50,122)C5(225,122)C6(275,122)C7(-50,75)C8(50,75)；Described D tablets are that rectangle uses aluminium alloy
Material, thickness is 6mm, and its four angular coordinates are (- 325,395), (- 25,395), (- 25,595), (- 325,595), node
Coordinate D1 (- 275,565) D2 (- 175,565) D3 (- 275,495) D4 (- 175,495) D5 (- 275,425) D6 (- 209,425)
D7(-175,425)D8(-50,425)；Described E tablets use aluminum alloy materials, and thickness is 6mm；Its four angular coordinates are
(325,395), (25,395), (25,595), (325,595), node coordinate E1 (275,565) E2 (175,565) E3 (275,
495)E4(175,495)E5(275,425)E6(209,425)E7(175,425)E8(50,425)；
Described Multifunctional teaching aid can realize that geometrically unstable system, geometry often become system and geometry constant variable system in different situations
Under conversion.
4. a kind of Multifunctional teaching aid for structural mechanics geometric composition analysis according to claim 3, it is characterised in that
Described C tablets, D tablets and E tablets is made using aluminum alloy materials；Described rod member uses stainless steel material, and thickness is
2mm。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621162016.3U CN206370209U (en) | 2016-10-24 | 2016-10-24 | A kind of Multifunctional teaching aid for structural mechanics geometric composition analysis |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621162016.3U CN206370209U (en) | 2016-10-24 | 2016-10-24 | A kind of Multifunctional teaching aid for structural mechanics geometric composition analysis |
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| Publication Number | Publication Date |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106409074A (en) * | 2016-10-24 | 2017-02-15 | 大连理工大学 | Multifunctional teaching aid for geometrical composition analysis of structural mechanics |
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2016
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106409074A (en) * | 2016-10-24 | 2017-02-15 | 大连理工大学 | Multifunctional teaching aid for geometrical composition analysis of structural mechanics |
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