CN106952556A - A kind of composite roof truss intelligence test experimental provision - Google Patents
A kind of composite roof truss intelligence test experimental provision Download PDFInfo
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- CN106952556A CN106952556A CN201710247730.5A CN201710247730A CN106952556A CN 106952556 A CN106952556 A CN 106952556A CN 201710247730 A CN201710247730 A CN 201710247730A CN 106952556 A CN106952556 A CN 106952556A
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- truss structure
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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
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
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- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses a kind of composite roof truss intelligence test experimental provision.The device is the experimental assembly of experimental teaching, and it is tested the part such as mechanism and combined by framework for support and travel mechanism, truss structure beam, manual loading with straining deflection metrology system, intelligent program-controlled loading and strain deflection metrology system, cantilever beam；The present apparatus has the experimental assembly and measuring system and a set of cantilever beam experiment mechanism set up of two sets of respective independently combinable truss；With plainly-packed, prediction, intelligence and specialty, it is high-quality, practical the features such as, high-level experimental teaching can be met；Practice Platform is provided for the research of teaching.
Description
Technical field
The present invention relates to the educational aid of experimental teaching, more particularly to a kind of composite roof truss intelligence test experimental provision.
Background technology
Innovation talent is cultivated, is innovative teaching.It is experiment that institution of higher education, which carries out one importance of political theory courses,
The reform in education is innovated, and experimental teaching should combine closely with development in science and technology, social application, emphatically training student practice and creation energy
Power.It is that open Innovative Experiment Teaching is carried out with reference to the experiment teaching aid that makes of case history of present situation in colleges and universities' industry science field
Supporting hardware, be to realize that institution of higher education is innovative, training for composite persons practical education foundation.
In the experimental teaching of practical education, experiment teaching aid epochal character determines practical teaching with teaching method novelty
The effect of effect and practice of innovation type Training Object.
The content of the invention
It is an object of the invention to the shortcoming and defect for overcoming above-mentioned prior art, there is provided a kind of composite roof truss intelligence test
Experimental provision.The apparatus structure is simple, can meet multi-level experimental teaching and spys is ground in teaching, provide to test for disciplinary study and put down
Platform.
The present invention is achieved through the following technical solutions：
A kind of composite roof truss intelligence test experimental provision, including such as lower component：
The band moveable framework for support 1 of roller；
First truss structure beam 2-1；
Second truss structure beam 2-2；
The first truss structure beam 2-1 and the second truss structure beam 2-2 are arranged on framework for support 1 side by side；
The first truss structure beam 2-1 is used to carry manual loading and strain deflection metrology system；
The manual loading includes such as lower component with strain deflection metrology system：
Handwheel boosting mechanism 3；
First dynamometer 4-1；
First precision digital measuring instrument 5-1；
First measuring and analysing meter 6-1；
Computer 7；
Two first screw rod 9-1；
Digital display dial gauge 8-1 with the first Magnetic gauge stand 15-1；
The handwheel boosting mechanism 3 is arranged on the underframe of framework for support 1, wherein one of two first screw rod 9-1 and the
Connected firmly in the middle part of one truss structure beam 2-1, second connects firmly with handwheel boosting mechanism 3；First dynamometer 4-1 is arranged on two
Between one screw rod 9-1；The loading rod axis of two first screw rod 9-1 and handwheel boosting mechanism 3 are overlapped；Turn handwheel is reinforced
Mechanism 3 can be realized to be further applied load to the first truss structure beam 2-1；
A wherein signal output of the first dynamometer 4-1 is sequentially connected electrically the first measuring and analysing meter 6-1 and computer
7, computer 7 can show reinforcing data；
Another signal output the first precision digital measuring instrument of electrical connection 5-1 of the first dynamometer 4-1, first is accurate
Digital measuring apparatus 5-1 can show force value；
The digital display dial gauge 8-1 for fixing the first Magnetic gauge stand 15-1 is placed in the first truss structure beam 2-1 middle part,
For measuring deflection value.
The second truss structure beam 2-2 is used to carry intelligent program-controlled loading and strain deflection metrology system,
The intelligent program-controlled loading includes such as lower component with strain deflection metrology system：
Second dynamometer 4-2；
Second precision digital measuring instrument 5-2；
Second measuring and analysing meter 6-2；
Second screw rod 9-2；
Servomotor and boosting mechanism 10；
Wireless program-controlled automatically reinforces control system 11；
Laptop computer 13；
Panel computer 14 with Magnetic gauge stand and chuck 15；
Dynamic High-accuracy displacement meter 12 with the second Magnetic gauge stand 15-2；
The servomotor automatically reinforces control system 11 with wireless program-controlled with boosting mechanism 10 and electrically connected；
The servomotor is arranged on the underframe of framework for support 1 with boosting mechanism 10, and wherein the one of two second screw rod 9-2
Root in the middle part of the second truss structure beam 2-2 with connecting firmly, and second connects firmly with the load bar of servomotor and boosting mechanism 10；Second
Dynamometer 4-2 is arranged between two second screw rod 9-2；Two second screw rod 9-2 and servomotor and boosting mechanism 10
Load bar plus rod axis overlap；Servomotor is used to be further applied load to the second truss structure beam 2-2 with boosting mechanism 10；
One of signal output of the second dynamometer 4-2 is electrically connected with the second precision digital measuring instrument 5-2, with
Show force value；
Another signal output of the second dynamometer 4-2 is electrically connected with the second measuring and analysing meter 6-2；
The second Magnetic gauge stand 15-1 is arranged on the crossbeam at the top of framework for support 1；
The Dynamic High-accuracy displacement meter 12 connects the second measuring and analysing meter 6-2；
The panel computer 14 connects the second precision digital measuring instrument 5-2, and the second precision digital measuring instrument 5-2, which is fixed on, to be held
On the support column of carrier aircraft frame 1；
Control system 11 is automatically reinforced by the loading data manipulation wireless program-controlled set by laptop computer 13, be can be achieved
Second truss structure beam 2-2 is further applied load；
The second truss structure beam 2-2 measuring points that the measuring and analysing meter 6-2 of panel computer 14 and second can measure display in real time should
Variate and mid-span deflection value.
The side of the framework for support 1 is also equipped with a set of cantilever beam experiment mechanism；
Cantilever beam experiment mechanism includes such as lower component：
3rd Magnetic gauge stand 15-3；
Second digital display dial gauge 8-2；
Cantilever beam 16；
Lift heavy support 17；
Counterweight 18；
The fixing end of the cantilever beam 16 is arranged on the crossbeam of the middle side part of framework for support 1, load-bearing end is provided with lift heavy support
17, counterweight 18 is placed in lift heavy support 17, is served and is further applied load；
Several strain measuring points are set with the cantilever beam 16, and connect the first measuring and analysing meter 6-1；
The 3rd Magnetic gauge stand 15-3 is fixed on the cross bar of the side of framework for support 1, and installs the second digital display dial gauge
8-2；
When counterweight 18 is placed on lift heavy support 17, the load-bearing end of cantilever beam 16 is by Action of Gravity Field, now, the first measuring and analysing meter
6-1 measuring strains value, the second digital display dial gauge 8-2 measurement amount of deflection numerical value.
The first truss structure beam 2-1 and the second truss structure beam 2-2, by aluminium section bar by required geometry bolt
Fastening is formed.
The present invention has the following advantages and effect relative to prior art：
Novel in appearance of the present invention, design are light and handy, occupancy face is few, wheel type mobile；Plainly-packed one, two sets of equipment, independent operation；
The stable steel aluminum of structure is made, and consolidates safety, mechanical elasticity function good.
The present invention has the versatility with same category of device with experimental provision instrument, means of testing；It is interior that the present invention is carried
Appearance relates to wide, professional applicable width；All parts and its instrument interchange of the present invention are flexible, the shape of girder truss and fulcrum bearing, structure structure
Making and its joining solid mode conveniently can convert and dismantle.
The present invention is a kind of experiment teaching aid and the equipment of experimental study, can (finite element is built by calculating truss beam model
Mould) carry out analysis checking, research with the experimental data of model and the mode such as explore realizing teaching and grind the practical approuch of spy.
The present invention continues to use conventional art and modern intelligent measuring technology；Realize teaching innovation pattern.
Brief description of the drawings
Fig. 1 is composite roof truss intelligence test experimental provision overall structure diagram of the present invention.
Fig. 2 is framework for support structural representation of the present invention.
Fig. 3 is manual loading of the present invention and strain deflection metrology system structural representation.
Fig. 4 is that Fig. 3 is coupled functional-block diagram.
Fig. 5 is the intelligent program-controlled loading of the present invention and strain deflection metrology system structural representation.
Fig. 6 is that Fig. 5 is coupled functional-block diagram.
Fig. 7 is cantilever beam experiment mechanism structural representation of the present invention.
Fig. 8 is that Fig. 7 is coupled functional-block diagram.
Embodiment
The present invention is more specifically described in detail with reference to specific embodiment.
As shown in Figure 1, 2；The invention discloses a kind of composite roof truss intelligence test experimental provision, including such as lower component：
The band moveable framework for support 1 of roller；
First truss structure beam 2-1；
Second truss structure beam 2-2；
The first truss structure beam 2-1 and the second truss structure beam 2-2 are arranged on framework for support 1 side by side；
The first truss structure beam 2-1 is used to carry manual loading and strain deflection metrology system；
As shown in Figure 3,4；The manual loading includes such as lower component with strain deflection metrology system：
Handwheel boosting mechanism 3；
First dynamometer 4-1；
First precision digital measuring instrument 5-1；
First measuring and analysing meter 6-1；
Computer 7；
Two first screw rod 9-1；
Digital display dial gauge 8-1 with the first Magnetic gauge stand 15-1；
The handwheel boosting mechanism 3 is arranged on the underframe of framework for support 1, wherein one of two first screw rod 9-1 and the
Connected firmly in the middle part of one truss structure beam 2-1, second connects firmly with handwheel boosting mechanism 3；First dynamometer 4-1 is arranged on two
Between one screw rod 9-1；The loading rod axis of two first screw rod 9-1 and handwheel boosting mechanism 3 are overlapped；Turn handwheel is reinforced
Mechanism 3 can be realized to be further applied load to the first truss structure beam 2-1；
A wherein signal output of the first dynamometer 4-1 is sequentially connected electrically the first measuring and analysing meter 6-1 and computer
7, computer 7 can show reinforcing data；
Another signal output the first precision digital measuring instrument of electrical connection 5-1 of the first dynamometer 4-1, first is accurate
Digital measuring apparatus 5-1 can show force value；
The digital display dial gauge 8-1 for fixing the first Magnetic gauge stand 15-1 is placed in the first truss structure beam 2-1 middle part,
For measuring deflection value.
The second truss structure beam 2-2 is used to carry intelligent program-controlled loading and strain deflection metrology system,
As shown in Figure 5,6；The intelligent program-controlled loading includes such as lower component with strain deflection metrology system：
Second dynamometer 4-2；
Second precision digital measuring instrument 5-2；
Second measuring and analysing meter 6-2；
Second screw rod 9-2；
Servomotor and boosting mechanism 10；
Wireless program-controlled automatically reinforces control system 11；
Laptop computer 13；
Panel computer 14 with Magnetic gauge stand and chuck 15；
Dynamic High-accuracy displacement meter 12 with the second Magnetic gauge stand 15-2；
The servomotor automatically reinforces control system 11 with wireless program-controlled with boosting mechanism 10 and electrically connected；
The servomotor is arranged on the underframe of framework for support 1 with boosting mechanism 10, and wherein the one of two second screw rod 9-2
Root in the middle part of the second truss structure beam 2-2 with connecting firmly, and second connects firmly with the load bar of servomotor and boosting mechanism 10；Second
Dynamometer 4-2 is arranged between two second screw rod 9-2；Two second screw rod 9-2 and servomotor and boosting mechanism 10
Load bar plus rod axis overlap；Servomotor is used to be further applied load to the second truss structure beam 2-2 with boosting mechanism 10；
One of signal output of the second dynamometer 4-2 is electrically connected with the second precision digital measuring instrument 5-2, with
Show force value；
Another signal output of the second dynamometer 4-2 is electrically connected with the second measuring and analysing meter 6-2；
The Magnetic gauge stand is arranged on chuck 15 on the crossbeam at the top of framework for support 1；
The Dynamic High-accuracy displacement meter 12 connects the second measuring and analysing meter 6-2；
The panel computer 14 connects the second precision digital measuring instrument 5-2, and the second precision digital measuring instrument 5-2, which is fixed on, to be held
On the support column of carrier aircraft frame 1；
Control system 11 is automatically reinforced by the loading data manipulation wireless program-controlled set by laptop computer 13, be can be achieved
Second truss structure beam 2-2 is further applied load；
The second truss structure beam 2-2 measuring points that the measuring and analysing meter 6-2 of panel computer 14 and second can measure display in real time should
Variate and mid-span deflection value.
The side of the framework for support 1 is also equipped with a set of cantilever beam experiment mechanism；
As shown in Figure 7,8；Cantilever beam experiment mechanism includes such as lower component：
3rd Magnetic gauge stand 15-3；
Second digital display dial gauge 8-2；
Cantilever beam 16；
Lift heavy support 17；
Counterweight 18；
The fixing end of the cantilever beam 16 is arranged on the crossbeam of the middle side part of framework for support 1, and load-bearing end is provided with lift heavy support
17, counterweight 18 is placed in lift heavy support 17, is served and is further applied load；
Several strain measuring points are set with the cantilever beam 16, and connect the first measuring and analysing meter 6-1；
The 3rd Magnetic gauge stand 15-3 is fixed on the cross bar of the side of framework for support 1, and the second digital display dial gauge 8-2 is installed
On the 3rd Magnetic gauge stand 15-3；
When counterweight 18 is placed on lift heavy support 17, the load-bearing end of cantilever beam 16 is by Action of Gravity Field, now, the first measuring and analysing meter
6-1 measuring strains value, the second digital display dial gauge 8-2 measurement amount of deflection numerical value.
As shown in Figure 1, 2；The first truss structure beam 2-1 and the second truss structure beam 2-2, by aluminium section bar by required several
What shape bolt fastening is formed.
First truss structure beam 2-1, by aluminium section bar (30 × 30mm of specification 6 × 10mm, ∟) by the thin bolt of geometry
Even fastening is formed, and the bearing equipped with corresponding form.Several strain measuring point patches are set with some rod members of truss structure beam
There is foil gauge (connecting wire with scolding tin), test beam.
Second truss structure beam 2-2, has differences with the first truss structure beam 2-1 shape and structure, but material peace matches somebody with somebody phase
Together.
Cantilever beam 16, is prepared using steel flat bar (360 × 40 × 3mm)；
Counterweight 18,2.0kg cast iron weightses, some pieces.
As described above, the present invention can be better realized.
Embodiments of the present invention are simultaneously not restricted to the described embodiments, other any Spirit Essences without departing from the present invention
With the change made under principle, modification, replacement, combine, simplify, should be equivalent substitute mode, be included in the present invention
Within protection domain.
Claims (4)
1. a kind of composite roof truss intelligence test experimental provision, it is characterised in that including such as lower component：
The band moveable framework for support of roller (1)；
First truss structure beam (2-1)；
Second truss structure beam (2-2)；
The first truss structure beam (2-1) and the second truss structure beam (2-2) are arranged on framework for support (1) side by side；
The first truss structure beam (2-1) is used to carry manual loading and strain deflection metrology system；
The manual loading includes such as lower component with strain deflection metrology system：
Handwheel boosting mechanism (3)；
First dynamometer (4-1)；
First precision digital measuring instrument (5-1)；
First measuring and analysing meter (6-1)；
Computer (7)；
Two first screw rods (9-1)；
Digital display dial gauge (8) with the first Magnetic gauge stand (15-1)；
The handwheel boosting mechanism (3) is arranged on framework for support (1) underframe, wherein one of two first screw rods (9-1) with
Connected firmly in the middle part of first truss structure beam (2-1), second connects firmly with handwheel boosting mechanism (3)；First dynamometer (4-1) is set
Between two first screw rods (9-1)；Two first screw rods (9-1) and the loading rod axis weight of handwheel boosting mechanism (3)
Close；Turn handwheel boosting mechanism (3) can be achieved to be further applied load to the first truss structure beam (2-1)；
A wherein signal output for first dynamometer (4-1) is sequentially connected electrically the first measuring and analysing meter (6-1) and computer
(7), computer (7) can show reinforcing data；
Another signal output of first dynamometer (4-1) electrically connects the first precision digital measuring instrument (5-1), and first is accurate
Digital measuring apparatus (5-1) can show force value；
The digital display dial gauge (8-1) for fixing the first Magnetic gauge stand (15-1) is placed in the first truss structure beam (2-1)
Portion, for measuring deflection value.
2. composite roof truss intelligence test experimental provision according to claim 1, it is characterised in that：The second truss structure beam
(2-2) is used to carry intelligent program-controlled loading and strain deflection metrology system；
The intelligent program-controlled loading includes such as lower component with strain deflection metrology system：
Second dynamometer (4-2)；
Second precision digital measuring instrument (5-2)；
Second measuring and analysing meter (6-2)；
Second screw rod (9-2)；
Servomotor and boosting mechanism (10)；
Wireless program-controlled automatically reinforces control system (11)；
Laptop computer (13)；
Panel computer (14) with Magnetic gauge stand and chuck (15)；
Dynamic High-accuracy displacement meter (12) with the second Magnetic gauge stand (15-2)；
The servomotor automatically reinforces control system (11) with wireless program-controlled with boosting mechanism (10) and electrically connected；
The servomotor is arranged on framework for support (1) underframe with boosting mechanism (10), and two second screw rods (9-2) are wherein
One with being connected firmly in the middle part of the second truss structure beam (2-2), second is consolidated with the load bar of servomotor and boosting mechanism (10)
Connection；Second dynamometer (4-2) is arranged between two second screw rods (9-2)；Two second screw rods (9-2) and servomotor
Overlapped with the rod axis that add of the load bar of boosting mechanism (10)；Servomotor is used for the second truss structure with boosting mechanism (10)
Beam (2-2) is further applied load；
One of signal output of second dynamometer (4-2) is electrically connected with the second precision digital measuring instrument (5-2), with
Show force value；
Another signal output of second dynamometer (4-2) is electrically connected with the second measuring and analysing meter (6-2)；
Second Magnetic gauge stand (15-2) is arranged on the crossbeam at the top of framework for support (1)；
The Dynamic High-accuracy displacement meter (12) connects the second measuring and analysing meter (6-2)；
The panel computer (14) connects the second precision digital measuring instrument (5-2), and the second precision digital measuring instrument (5-2) is fixed on
On framework for support (1) support column；
Control system (11) is automatically reinforced by the loading data manipulation wireless program-controlled set by laptop computer (13), be can be achieved
Second truss structure beam (2-2) is further applied load；
Panel computer (14) and the second measuring and analysing meter (6-2) can measure second truss structure beam (2-2) measuring point of display in real time
Strain value and mid-span deflection value.
3. composite roof truss intelligence test experimental provision according to claim 1, it is characterised in that：The framework for support (1)
Side is also equipped with a set of cantilever beam experiment mechanism；
Cantilever beam experiment mechanism includes such as lower component：
3rd Magnetic gauge stand (15-3)；
Second digital display dial gauge (8-2)；
Cantilever beam (16)；
Lift heavy support (17)；
Counterweight (18)；
The fixing end of the cantilever beam (16) is arranged on the crossbeam of framework for support (1) middle side part, and the lifting rope at load-bearing end, which is installed, to be hung
Great trust (17), counterweight (18) is placed in lift heavy support (17)；
Several strain measuring points are set with the cantilever beam (16), and connect the first measuring and analysing meter (6-1)；
4th Magnetic gauge stand (15-3) is fixed on the cross bar of framework for support (1) side, the second digital display dial gauge (8-1) peace
On the 4th Magnetic gauge stand (15-3), the chaining pin of the 4th Magnetic gauge stand (15-3) is placed on load-bearing end；
When counterweight (18) is placed on lift heavy support (17), the load-bearing end of cantilever beam (16) is by Action of Gravity Field, now, the first test analysis
Instrument (6-1) measuring strain value, the second digital display dial gauge (8-2) measurement amount of deflection numerical value.
4. composite roof truss intelligence test experimental provision according to claim 1, it is characterised in that：The first truss structure beam
(2-1) and the second truss structure beam (2-2), is formed by aluminium section bar by the fastening of required geometry bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710247730.5A CN106952556A (en) | 2017-04-17 | 2017-04-17 | A kind of composite roof truss intelligence test experimental provision |
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| CN201710247730.5A CN106952556A (en) | 2017-04-17 | 2017-04-17 | A kind of composite roof truss intelligence test experimental provision |
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Family
ID=59476199
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| CN112133232A (en) * | 2020-11-04 | 2020-12-25 | 郑州升达经贸管理学院 | Think political affairs education with think political affairs knowledge propaganda device |
| CN112396937A (en) * | 2020-06-18 | 2021-02-23 | 哈尔滨工业大学（威海） | Building block type truss teaching experiment device |
| WO2021237999A1 (en) * | 2020-05-27 | 2021-12-02 | 大连理工大学 | Portable truss structure experimental apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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Application publication date: 20170714 |