CN104900129B - A kind of jacking membrane structure teaching mode - Google Patents
A kind of jacking membrane structure teaching mode Download PDFInfo
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- CN104900129B CN104900129B CN201510225359.3A CN201510225359A CN104900129B CN 104900129 B CN104900129 B CN 104900129B CN 201510225359 A CN201510225359 A CN 201510225359A CN 104900129 B CN104900129 B CN 104900129B
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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 kind of jacking membrane structure teaching mode, including workbench (3), supporting construction (2) and at least one layer of film surface (1), the supporting construction (2) is fixed to be located on the workbench (3), and the film surface (1) is fixed to be located in the supporting construction (2).The center of the workbench (3) be provided through above and below the first hole (31).The supporting construction (2) includes first support bar (21) and at least three second support bars (22).The teaching mode cost of manufacture of the present invention is relatively low, makes simple, and student can be promoted with complete independently all operationss beneficial to teaching.
Description
Technical field
The invention belongs to modelling technical field, it is related to a kind of jacking membrane structure teaching mode.
Background technology
Jacking membrane structure is to collectively form institution system by the tension stress and support bar and drag-line of film itself.Membrane of Tensile Buildings
Structure bicycle shed is to be made to produce inside its by certain way by a variety of high-strength thin-film materials and stiffener (steelframe, steel column or cable wire)
Raw certain pre- tensile stress is to form certain spatial form, as covered structure, and can bear the one of certain external load effect
Plant space structure form.
In order to become apparent from intuitively recognizing such structural system, the characteristics of membrane structure modern design is free is known from experience, and to it
Bearing principle has certain understanding, and the teaching mode of correlation can be used in teaching, meanwhile, student oneself system of can also starting
Make jacking membrane structure of different shapes, this membranelike structure is learnt to more fully understand.So far, related religion is also found no
Learn model.
The content of the invention
For the defect of prior art, it is an object of the invention to provide a kind of jacking membrane structure teaching mode, height can be made
School student becomes apparent from intuitively recognizing such structural system, knows from experience the characteristics of membrane structure modern design is free.
To achieve these goals, the technical solution adopted by the present invention is as follows：
A kind of jacking membrane structure teaching mode, including workbench, supporting construction and at least one layer of film surface, the support knot
Structure, which is fixed, to be located on the workbench, and the film surface, which is fixed, to be located in the supporting construction.
The material of the workbench can be aluminium, aluminium alloy or iron etc..
The workbench is shaped as square, rhombus, circle, rectangle etc., is preferably square or circular, so
Be conducive to the arrangement of strut, the roofing shape of formation is more attractive various.
The center of the workbench be provided through above and below the first hole.
The diameter in first hole is at least 10mm.Using the first hole as the center of circle, radius is at least on 15cm circumference uniformly
Lay about at least three the second holes run through.
The outer peripheral areas of circumference where the second hole, uniformly lays several holes run through up and down, for installing support bar,
To change the position of support point, so as to adjust the structure of Membrane of Tensile Buildings, shape.
The supporting construction includes first support bar and at least three second support bars.
The length of the first support bar is more than the length of second support bar.The length of the first support bar can be adjusted freely
Section, the stay length various can also make, and can meet all kinds of Membrane of Tensile Buildings shape needs.
One end of the second support bar passes through the second hole set on workbench, and nut is used below workbench
It is fixedly connected.
The other end of the second support bar is provided with through hole, for connecting film surface.Second support bar can be fabricated to difference
Length, student can according to oneself want tensioning point height voluntarily select bar to install.
One end of the first support bar is at least 20mm screw thread, one end insertion work of first support bar provided with length
The first hole set on platform, and fixed in workbench upper and lower with nut；Being threaded can be in order to adjusting first
Strut is higher by the height of workbench, realizes different strong point height, is easy to the regulation of film surface tensioning shape；The other end is provided with
Annulus is used to connect film surface.
The cloth that the film surface is used is Lycra cloth, and surrounding tensioning can form different shapes, and the application of stretching force causes
Membrane structure has certain bearing capacity, and the size of bearing capacity arranges close phase with the application size of stretching force and film surface tensioning point
Close, student voluntarily can arbitrarily adjust, know from experience its change.
The material of the film surface can be polytetrafluoroethylene (PTFE), Kynoar, polyvinyl fluoride, polyvinyl chloride, polyurethane or rubber
Glue etc..
Due to using above-mentioned technical proposal, the present invention has advantages below and beneficial effect：
The teaching mode cost of manufacture of the present invention is relatively low, makes simple, student can be with complete independently all operationss, beneficial to religion
Learn and promote.
The teaching mode strut positions and height change of the present invention are various, and student can voluntarily select, and film passes through logical with strut
Hole is connected, and directly can be fixed with needlework, simple to operate, and student can use different dynamics Membrane of Tensile Buildings in plastic film mulch, different
Power carry out tensioning and can obtain different film surface shapes, and film bearing capacity also can difference it is very big, this can become apparent from student
Intuitively recognize such structural system, know from experience the characteristics of membrane structure modern design is free, and have certain reason to its bearing principle
Solution.
Brief description of the drawings
Fig. 1 is the overall structure 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 arrangement.
Fig. 3 is the schematic diagram that the first support bar of the embodiment of the present invention and workbench are connected.
Fig. 4 is another workbench of jacking membrane structure of the embodiment of the present invention and the schematic diagram of supporting construction arrangement.
Wherein, 1 is film surface, and 2 be supporting construction, and 3 be workbench, and 21 be first support bar, and 22 be second support bar, 31
It is the second hole for the first hole, 32.
Embodiment
The present invention is further detailed explanation for illustrated embodiment below in conjunction with the accompanying drawings.
Embodiment 1
Jacking membrane structure teaching mode, as shown in figure 1, Fig. 1 is the jacking membrane structure teaching mode of the embodiment of the present invention
Overall structure diagram.Including workbench 3, supporting construction 2 and at least one layer of film surface 1, the supporting construction 2, which is fixed, is located at institute
State on workbench 3, the film surface 1, which is fixed, to be located in the supporting construction 2；Film is using elasticity preferably Lycra Bu Laimo
Intend, surrounding tensioning can form different shapes, the application of stretching force causes membrane structure to have certain bearing capacity, bearing capacity
Size and stretching force application size and film surface tensioning point arrangement it is closely related, student voluntarily can arbitrarily adjust, and know from experience it
Change.Agent structure controls tensioning point position, to control the shape of jacking membrane structure.
As shown in Fig. 2 Fig. 2 is a kind of workbench of jacking membrane structure of the embodiment of the present invention and showing for supporting construction arrangement
It is intended to.
(1) with one block of square aluminium sheet as workbench 3, diverse location is punched to place vertical rod on aluminium sheet, according to
General membrane structure tensioning feature arrangement hole position.1 hole point i.e. the first hole 31 is arranged in center first, because of general circle centre position
Vertical rod stress is larger, it is desirable to have stronger flexing resistance and stability, therefore hole diameter enlargement, thicker vertical rod is placed, then with midpoint
For the center of circle, 30cm is radius, has circumferentially been evenly arranged 12 holes the second hole of point 32, and arranges in the center of circle 1 hole point
First hole 31, then additionally arranges 4 hole points, so as to the various arrangement of strut positions, tensioning is formed in the periphery in the second hole 32
Various film surface shape.
(2) first support bar 21 of center because stress it is larger, using 10mm diameters screw thread iron be used as first support
Bar 21, twists two bolts to control the position of first support bar 21, the setting of screw thread can cause first in aluminium sheet top and bottom
The height of strut 21 is adjusted manually up and down, and a small circle ring is welded to connect film surface 1 in the top surface of first support bar 21.Such as Fig. 3
Shown, Fig. 3 is the schematic diagram that the first support bar of the embodiment of the present invention and workbench are connected.
(3) second support bar 22 around is not provided with screw thread, using the iron of 6mm diameters, is bolted under aluminium sheet,
It is easy to disassemble, perforated on summit, to connect film surface 1.And the vertical rod of several different lengths is additionally made, difference is convenient for changing
Length vertical rod, regulation height.
(4) film surface 1 is using the preferably white Lycra cloth of elasticity, because membrane structure form by initial stress state is influenceed larger,
Therefore different stretching forces and different tensioning positions can all obtain different shapes.Student can be according to personal inclination, by cloth
Cut, be connected from different vertical rods, needle thread passing bar top through hole can be used, stitch and connect with Lycra cloth.Change different length
The vertical rod of degree or the height of Resolution Center's bar, and can obtain different film surface shapes.
Embodiment 2
A kind of jacking membrane structure teaching mode, including workbench 3, supporting construction 2 and at least one layer of film surface 1, the branch
Support structure 2, which is fixed, to be located on the workbench 3, and the film surface 1, which is fixed, to be located in the supporting construction 2；The material of workbench 3
Matter elects aluminium alloy as, is shaped as circle, is so conducive to the arrangement of strut, and the roofing shape of formation is more attractive various.
The first hole 31 above and below being provided through in the center of workbench 3；Diameter is at least 10mm, with the first hole
31 be the center of circle, and radius is at least the second holes 32 that uniform laying about 6 runs through on 15cm circumference.Can also be in the second hole 32
The outer peripheral areas of place circumference, uniformly lays several holes run through up and down, for installing support bar, to change the position of support point
Put, so as to adjust the structure of Membrane of Tensile Buildings, shape.
Supporting construction 2 includes the second support bar 22 of first support bar 21 and at least three；The length of first support bar 21 is big
In the length of second support bar 22；One end of second support bar 22 passes through the second hole 32 set on workbench 3, flat in work
It is fixedly connected below platform 3 with nut；The other end of second support bar 22 is provided with through hole, for connecting film surface 1.Second support bar
22 can be fabricated to different length, and the tensioning point height that student can want according to oneself voluntarily selects bar to install.First support
One end of bar 21 is at least the set on 20mm screw thread, one end insertion workbench 3 of first support bar 21 provided with length
One hole 31, and fixed in the upper and lower of workbench 3 with nut；Being threaded can go to work in order to adjust the height of first support bar 21
Make the height of platform 3, realize different strong point height, be easy to the regulation of film surface tensioning shape；The other end is used for provided with annulus
Connect film surface 1.The material of film surface 1 elects polytetrafluoroethylene (PTFE) as.
Embodiment 3
A kind of jacking membrane structure teaching mode, including workbench 3, supporting construction 2 and at least one layer of film surface 1, the branch
Support structure 2, which is fixed, to be located on the workbench 3, and the film surface 1, which is fixed, to be located in the supporting construction 2；The material of workbench 3
Matter elects iron as, is shaped as rectangle, is so conducive to the arrangement of strut, and the roofing shape of formation is more attractive various.
The first hole 31 above and below being provided through in the center of workbench 3；Diameter is at least 10mm, with the first hole
31 be the center of circle, and radius lays about 3 the second holes 32 run through (as shown in figure 4, Fig. 4 is this hair to be uniform on 20cm circumference
The schematic diagram of another workbench of jacking membrane structure and the supporting construction arrangement of bright embodiment.).Can also be in the institute of the second hole 32
In the outer peripheral areas of circumference, several holes run through up and down are uniformly laid, for installing support bar, to change the position of support point,
So as to adjust structure, the shape of Membrane of Tensile Buildings.
Supporting construction 2 includes the second support bar 22 of first support bar 21 and at least three；The length of first support bar 21 is big
In the length of second support bar 22；One end of second support bar 22 passes through the second hole 32 set on workbench 3, flat in work
It is fixedly connected below platform 3 with nut；The other end of second support bar 22 is provided with through hole, for connecting film surface 1.Second support bar
22 can be fabricated to different length, and the tensioning point height that student can want according to oneself voluntarily selects bar to install.First support
One end of bar 21 is at least the set on 20mm screw thread, one end insertion workbench 3 of first support bar 21 provided with length
One hole 31, and fixed in the upper and lower of workbench 3 with nut；Being threaded can go to work in order to adjust the height of first support bar 21
Make the height of platform 3, realize different strong point height, be easy to the regulation of film surface tensioning shape；The other end is used for provided with annulus
Connect film surface 1.The material of film surface 1 elects polyvinyl chloride as.
The above-mentioned description to embodiment is understood that for ease of those skilled in the art and using this hair
It is bright.Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein
General Principle is applied in other embodiment without passing through performing creative labour.Therefore, the invention is not restricted to implementation here
Example, those skilled in the art do not depart from improvement that scope made and change all should be according to the announcement of the present invention
Within protection scope of the present invention.
Claims (9)
1. a kind of jacking membrane structure teaching mode, it is characterised in that：Including workbench (3), supporting construction (2) and at least one layer
Film surface (1), the supporting construction (2) is fixed to be located on the workbench (3), and the film surface (1) is fixed to be located at the support
In structure (2)；The center of the workbench (3) be provided through above and below the first hole (31)；It is with the first hole (31)
The center of circle, radius is at least the second holes (32) that uniform laying about at least three runs through on 15cm circumference；
The outer peripheral areas of circumference where the second hole (32), uniformly lays several holes run through up and down, for installing support bar；
The supporting construction (2) includes first support bar (21) and at least three second support bars (22), the first support bar
(21) length is more than the length of second support bar (22).
2. jacking membrane structure teaching mode according to claim 1, it is characterised in that：The material of the workbench (3)
For aluminium, aluminium alloy or iron.
3. jacking membrane structure teaching mode according to claim 1, it is characterised in that：The shape of the workbench (3)
For square, rhombus, circle, rectangle.
4. jacking membrane structure teaching mode according to claim 1, it is characterised in that：The diameter of first hole (31) is extremely
It is 10mm less.
5. jacking membrane structure teaching mode according to claim 1, it is characterised in that：The one of the second support bar (22)
The second hole (32) set through on workbench (3) is held, is fixedly connected below workbench (3) with nut.
6. jacking membrane structure teaching mode according to claim 1, it is characterised in that：The second support bar (22) it is another
One end is provided with through hole, for connecting film surface (1).
7. jacking membrane structure teaching mode according to claim 1, it is characterised in that：The one of the first support bar (21)
End is at least the first hole set on 20mm screw thread, one end insertion workbench (3) of first support bar (21) provided with length
(31), and in workbench (3) upper and lower fixed with nut；The other end is used to connect film surface (1) provided with annulus.
8. jacking membrane structure teaching mode according to claim 1, it is characterised in that：The cloth that the film surface (1) uses for
Lycra cloth.
9. jacking membrane structure teaching mode according to claim 1, it is characterised in that：The material of the film surface (1) is poly-
Tetrafluoroethene, Kynoar, polyvinyl fluoride, polyvinyl chloride, polyurethane or rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510225359.3A CN104900129B (en) | 2015-05-04 | 2015-05-04 | A kind of jacking membrane structure teaching mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510225359.3A CN104900129B (en) | 2015-05-04 | 2015-05-04 | A kind of jacking membrane structure teaching mode |
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| Publication Number | Publication Date |
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| CN104900129A CN104900129A (en) | 2015-09-09 |
| CN104900129B true CN104900129B (en) | 2017-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510225359.3A Active CN104900129B (en) | 2015-05-04 | 2015-05-04 | A kind of jacking membrane structure teaching mode |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5941261A (en) * | 1994-10-31 | 1999-08-24 | Shade Structures Pacific Pty Ltd Et Cetera | Conical tension membrane structure |
| DE202004008293U1 (en) * | 2004-05-21 | 2004-10-28 | Heidan, Michael, Dipl.-Ing.(FH) | Cover especially for stationary erecting and/or hanging has tensionable membrane supported by at least one encompassing support element which includes at least one tensioning device |
| CN1292243C (en) * | 2004-10-28 | 2006-12-27 | 上海交通大学 | Multifunctional membrane structure tester |
| CN201637637U (en) * | 2010-04-23 | 2010-11-17 | 重庆大学 | Cross-shaped screw type film tensioning device |
| CN102425261B (en) * | 2011-12-22 | 2013-10-23 | 中建三局第三建设工程有限责任公司 | Large-span multiunit tensile membrane structure and installation construction method thereof |
| KR101386588B1 (en) * | 2013-09-09 | 2014-04-17 | 하창우 | Tension measurement and dynamic control having smart membrane structure and membrane stabilizing method using it |
| CN203846848U (en) * | 2014-03-19 | 2014-09-24 | 上海帐篷客旅游发展有限公司 | CD house-type tensile membrane structure |
| CN203769166U (en) * | 2014-03-19 | 2014-08-13 | 上海帐篷客旅游发展有限公司 | ABE door model tensioned membrane structure |
| CN204095257U (en) * | 2014-09-17 | 2015-01-14 | 常州昊天塑胶科技有限公司 | The tensioner of use for laboratory laminating machine |
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- 2015-05-04 CN CN201510225359.3A patent/CN104900129B/en active Active
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