CN104900129A - Tensile membrane structure teaching model - Google Patents
Tensile membrane structure teaching model Download PDFInfo
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- CN104900129A CN104900129A CN201510225359.3A CN201510225359A CN104900129A CN 104900129 A CN104900129 A CN 104900129A CN 201510225359 A CN201510225359 A CN 201510225359A CN 104900129 A CN104900129 A CN 104900129A
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- workbench
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
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Abstract
The invention discloses a tensile membrane structure teaching model, comprising a working platform (3), a supporting structure (2) and at least one layer of membrane surface (1), wherein the supporting structure (2) is fixed on the working platform (3); and the membrane surface (1) is fixed on the supporting structure (2). A first hole (31) penetrating the upper and lower parts is formed in the center of the working platform (3). The supporting structure (2) comprises a first supporting rod (21) and at least three second supporting rods (22). The teaching model is low in manufacturing cost and simple in manufacturing, and a student can independently complete all operation, so the teaching model is favorable for teaching popularization.
Description
Technical field
The invention belongs to modelling technical field, relate to a kind of jacking membrane structure teaching mode.
Background technology
Jacking membrane structure relies on the tension stress of film self and support bar and drag-line jointly to form institution system.Jacking membrane structure bicycle shed makes its inside produce certain pre-tension stress to form certain spatial form by multiple high-strength membraneous material and stiffener (steelframe, steel column or cable wire) by certain way, as covered structure, and a kind of space structure form of certain external load effect can be born.
This type of structural system is familiar with intuitively in order to clearer, know from experience membrane structure modern design feature freely, and have certain understanding to its bearing principle, relevant teaching mode can be used when imparting knowledge to students, simultaneously, student oneself also can the difform jacking membrane structure of manual fabrication, so that this membranelike structure of rational learning better.So far, relevant teaching mode is also found no.
Summary of the invention
For the defect of prior art, the object of this invention is to provide a kind of jacking membrane structure teaching mode, can make that college student is clearer is familiar with this type of structural system intuitively, know from experience membrane structure modern design feature freely.
To achieve these goals, the technical solution used in the present invention is as follows:
A kind of jacking membrane structure teaching mode, comprise workbench, supporting construction and at least one tunic face, described supporting construction is fixed on described workbench, and described face is fixed in described supporting construction.
The material of described workbench can be aluminium, aluminium alloy or iron etc.
The shape of described workbench is square, rhombus, circle, rectangle etc., and be preferably square or circular, be conducive to the layout of strut like this, the roofing shape of formation is more attractive in appearance various.
The center of described workbench is provided with runs through the first upper and lower hole.
The diameter in described first hole is at least 10mm.With the first hole for the center of circle, radius is at least the circumferentially even of 15cm and lays about at least three the second holes run through.
In the outer peripheral areas of the second place, hole circumference, evenly laying several holes run through up and down, for installing support bar, to change the position of support point, thus regulating structure, the shape of Membrane of Tensile Buildings.
Described supporting construction comprises the first support bar and at least three the second support bars.
The length of described first support bar is greater than the length of the second support bar.The length of described first support bar can free adjustment, and described stay length also can variously make, and can meet all kinds of Membrane of Tensile Buildings shape need.
One end of described second support bar, through the second hole that workbench is arranged, is fixedly connected with nut below workbench.
The other end of described second support bar is provided with through hole, for connecting face.Second support bar can be made into different length, and the stretch-draw point height that student can want according to oneself selects bar to install voluntarily.
One end of described first support bar is provided with the screw thread that length is at least 20mm, the first hole that the through workbench in one end of the first support bar is arranged, and all fixes with nut at workbench upper and lower; Arrange screw thread so that regulate the first support bar to exceed the height of workbench, different strong point height to be realized, be convenient to the adjustment of face stretch-draw shape; The other end is provided with annulus for connecting face.
The cloth that described face adopts is Lycra cloth, stretch-draw around can form different shapes, the applying of stretching force makes membrane structure have certain load-bearing capacity, the size of bearing capacity and the applying size of stretching force and face stretch-draw point are arranged closely related, student can arbitrarily adjust voluntarily, knows from experience its change.
The material of described face can be teflon, Kynoar, polyvinyl fluoride, Polyvinylchloride, polyurethane or rubber etc.
Owing to adopting technique scheme, the present invention has the following advantages and beneficial effect:
Teaching mode cost of manufacture of the present invention is lower, makes simple, and student can complete independently all operations, being beneficial to teaching and promoting.
Teaching mode strut positions of the present invention and height change various, student can select voluntarily, film is connected by through hole with strut, can fix by direct needlework, simple to operate, and student can with different dynamics Membrane of Tensile Buildings when plastic film mulch, different power carries out stretch-draw can obtain different face shapes, and the bearing capacity of film also can difference very large, this can make, and student is clearer is familiar with this type of structural system intuitively, know from experience membrane structure modern design feature freely, and have certain understanding to its bearing principle.
Accompanying drawing explanation
Fig. 1 is the one-piece construction schematic diagram of the jacking membrane structure teaching mode of the embodiment of the present invention.
Fig. 2 is a kind of workbench of jacking membrane structure of the embodiment of the present invention and the schematic diagram of supporting construction layout.
Fig. 3 is the schematic diagram that the first support bar of the embodiment of the present invention is connected with workbench.
Fig. 4 is the another kind of workbench of jacking membrane structure of the embodiment of the present invention and the schematic diagram of supporting construction layout.
Wherein, 1 is face, and 2 is supporting construction, and 3 is workbench, and 21 is the first support bar, and 22 is the second support bar, and 31 is the first hole, and 32 is the second hole.
Embodiment
Below in conjunction with accompanying drawing illustrated embodiment, the present invention is further detailed explanation.
Embodiment 1
Jacking membrane structure teaching mode, as shown in Figure 1, Fig. 1 is the one-piece construction schematic diagram of the jacking membrane structure teaching mode of the embodiment of the present invention.Comprise workbench 3, supporting construction 2 and at least one tunic face 1, described supporting construction 2 is fixed on described workbench 3, and described face 1 is fixed in described supporting construction 2; Film adopts the good Lycra cloth of elasticity to simulate, stretch-draw around can form different shapes, the applying of stretching force makes membrane structure have certain load-bearing capacity, the size of bearing capacity and the applying size of stretching force and face stretch-draw point are arranged closely related, student can arbitrarily adjust voluntarily, knows from experience its change.Agent structure controls stretch-draw point position, to control the shape of jacking membrane structure.
As shown in Figure 2, Fig. 2 is a kind of workbench of jacking membrane structure of the embodiment of the present invention and the schematic diagram of supporting construction layout.
(1) with one block of square aluminium sheet as workbench 3, on aluminium sheet diverse location punching to place vertical rod, according to the hole arranged position of general membrane structure stretch-draw feature.First 1 hole point i.e. the first hole 31 is arranged in center, because general circle centre position vertical rod is stressed comparatively large, need stronger flexing resistance and stability, therefore hole diameter enlargement, place thicker vertical rod, then be the center of circle with mid point, 30cm is radius, is circumferentially being evenly arranged point second hole, 12 holes 32, and point first hole, 1 hole 31 is arranged in the center of circle, then additionally arrange 4 hole points in the periphery in the second hole 32, so that the various layout of strut positions, stretch-draw forms various face shape.
(2) the first support bar 21 of center is because of stressed larger, adopt the screw thread iron of 10mm diameter as the first support bar 21, the position that two bolts control the first support bar 21 is twisted in aluminium sheet top and bottom, screw thread the upper and lower manual adjustments of height that can make the first support bar 21 is set, weld a small circle ring in order to connect face 1 at the first support bar 21 end face.As shown in Figure 3, Fig. 3 is the schematic diagram that the first support bar of the embodiment of the present invention is connected with workbench.
(3) the second support bar 22 around does not arrange screw thread, adopts the iron of 6mm diameter, is bolted under aluminium sheet, is convenient to dismounting, bores a hole in summit, in order to connect face 1.And the extra vertical rod making several different lengths, is convenient for changing different length vertical rod, regulates height.
(4) face 1 adopts the good white Lycra cloth of elasticity, and because membrane structure form is comparatively large by the impact of initial stress state, therefore different stretching forces and different stretch-draw positions all can obtain different shapes.Cloth according to personal inclination, can be carried out cutting by student, is connected, can uses needle thread passing masthead through hole from different vertical rods, stitches connect with Lycra cloth.Change the vertical rod of different length or the height of Resolution Center's bar, and different face shapes can be obtained.
Embodiment 2
A kind of jacking membrane structure teaching mode, comprise workbench 3, supporting construction 2 and at least one tunic face 1, described supporting construction 2 is fixed on described workbench 3, and described face 1 is fixed in described supporting construction 2; The material of workbench 3 elects aluminium alloy as, and shape is circular, and be conducive to the layout of strut like this, the roofing shape of formation is more attractive in appearance various.
Be provided with in the center of workbench 3 and run through the first upper and lower hole 31; Diameter is at least 10mm, with the first hole 31 for the center of circle, radius be at least 15cm circumferentially evenly lay about 6 the second holes 32 run through.Also in the outer peripheral areas of the second place, hole 32 circumference, evenly several holes run through up and down be can laying, for installing support bar, to change the position of support point, thus structure, the shape of Membrane of Tensile Buildings regulated.
Supporting construction 2 comprises the first support bar 21 and at least three the second support bars 22; The length of the first support bar 21 is greater than the length of the second support bar 22; One end of second support bar 22, through the second hole 32 that workbench 3 is arranged, is fixedly connected with nut below workbench 3; The other end of the second support bar 22 is provided with through hole, for connecting face 1.Second support bar 22 can be made into different length, and the stretch-draw point height that student can want according to oneself selects bar to install voluntarily.One end of first support bar 21 is provided with the screw thread that length is at least 20mm, the first hole 31 that the through workbench 3 in one end of the first support bar 21 is arranged, and all fixes with nut at workbench 3 upper and lower; Arrange screw thread so that regulate the first support bar 21 to exceed the height of workbench 3, different strong point height to be realized, be convenient to the adjustment of face stretch-draw shape; The other end is provided with annulus for connecting face 1.The material of face 1 elects teflon as.
Embodiment 3
A kind of jacking membrane structure teaching mode, comprise workbench 3, supporting construction 2 and at least one tunic face 1, described supporting construction 2 is fixed on described workbench 3, and described face 1 is fixed in described supporting construction 2; The material of workbench 3 elects iron as, and shape is rectangle, is conducive to the layout of strut like this, and the roofing shape of formation is more attractive in appearance various.
Be provided with in the center of workbench 3 and run through the first upper and lower hole 31; Diameter is at least 10mm, with the first hole 31 for the center of circle, radius is that (as shown in Figure 4, Fig. 4 is the schematic diagram that the another kind of workbench of jacking membrane structure of the embodiment of the present invention and supporting construction are arranged for about 3 second holes 32 run through of circumferentially evenly laying of 20cm.)。Also in the outer peripheral areas of the second place, hole 32 circumference, evenly several holes run through up and down be can laying, for installing support bar, to change the position of support point, thus structure, the shape of Membrane of Tensile Buildings regulated.
Supporting construction 2 comprises the first support bar 21 and at least three the second support bars 22; The length of the first support bar 21 is greater than the length of the second support bar 22; One end of second support bar 22, through the second hole 32 that workbench 3 is arranged, is fixedly connected with nut below workbench 3; The other end of the second support bar 22 is provided with through hole, for connecting face 1.Second support bar 22 can be made into different length, and the stretch-draw point height that student can want according to oneself selects bar to install voluntarily.One end of first support bar 21 is provided with the screw thread that length is at least 20mm, the first hole 31 that the through workbench 3 in one end of the first support bar 21 is arranged, and all fixes with nut at workbench 3 upper and lower; Arrange screw thread so that regulate the first support bar 21 to exceed the height of workbench 3, different strong point height to be realized, be convenient to the adjustment of face stretch-draw shape; The other end is provided with annulus for connecting face 1.The material of face 1 elects Polyvinylchloride as.
Above-mentioned is can understand and apply the invention for ease of those skilled in the art to the description of embodiment.Person skilled in the art obviously easily can make various amendment to these embodiments, and General Principle described herein is applied in other embodiments and need not through performing creative labour.Therefore, the invention is not restricted to embodiment here, those skilled in the art, according to announcement of the present invention, do not depart from improvement that scope makes and amendment all should within protection scope of the present invention.
Claims (10)
1. a jacking membrane structure teaching mode, it is characterized in that: comprise workbench (3), supporting construction (2) and at least one tunic face (1), described supporting construction (2) is fixed on described workbench (3), and described face (1) is fixed in described supporting construction (2).
2. jacking membrane structure teaching mode according to claim 1, is characterized in that: the center of described workbench (3) is provided with the first hole (31) running through upper and lower;
Preferably, the material of described workbench (3) is aluminium, aluminium alloy or iron;
Preferably, the shape of described workbench (3) is square, rhombus, circle, rectangle, more preferably square or circular.
3. jacking membrane structure teaching mode according to claim 2, is characterized in that: with the first hole (31) for the center of circle, and radius is at least the circumferentially even of 15cm and lays about at least three the second holes (32) run through;
Preferably, in the outer peripheral areas of the second hole (32) place circumference, evenly lay several holes run through up and down, for installing support bar;
Preferably, the diameter of described first hole (31) is at least 10mm.
4. jacking membrane structure teaching mode according to claim 1, is characterized in that: described supporting construction (2) comprises the first support bar (21) and at least three the second support bars (22).
5. jacking membrane structure teaching mode according to claim 4, is characterized in that: the length of described first support bar (21) is greater than the length of the second support bar (22).
6. jacking membrane structure teaching mode according to claim 4, it is characterized in that: one end of described second support bar (22), through upper the second hole (32) arranged of workbench (3), is fixedly connected with nut below workbench (3).
7. jacking membrane structure teaching mode according to claim 4, is characterized in that: the other end of described second support bar (22) is provided with through hole, for connecting face (1).
8. jacking membrane structure teaching mode according to claim 4, it is characterized in that: one end of described first support bar (21) is provided with the screw thread that length is at least 20mm, upper first hole (31) arranged, the through workbench in one end (3) of the first support bar (21), and all fix with nut at workbench (3) upper and lower; The other end is provided with annulus for connecting face (1).
9. jacking membrane structure teaching mode according to claim 1, is characterized in that: the cloth that described face (1) adopts is Lycra cloth.
10. jacking membrane structure teaching mode according to claim 1, is characterized in that: the material of described face (1) is teflon, Kynoar, polyvinyl fluoride, Polyvinylchloride, polyurethane or rubber.
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| CN201510225359.3A CN104900129B (en) | 2015-05-04 | 2015-05-04 | A kind of jacking membrane structure teaching mode |
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| CN201510225359.3A CN104900129B (en) | 2015-05-04 | 2015-05-04 | A kind of jacking membrane structure teaching mode |
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| CN104900129A true CN104900129A (en) | 2015-09-09 |
| CN104900129B CN104900129B (en) | 2017-09-26 |
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