CN208351771U - Strain gauge measurement multifunctional combination testing stand - Google Patents
Strain gauge measurement multifunctional combination testing stand Download PDFInfo
- Publication number
- CN208351771U CN208351771U CN201721599803.9U CN201721599803U CN208351771U CN 208351771 U CN208351771 U CN 208351771U CN 201721599803 U CN201721599803 U CN 201721599803U CN 208351771 U CN208351771 U CN 208351771U
- Authority
- CN
- China
- Prior art keywords
- support columns
- cover board
- storage tank
- desk body
- rigit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000005259 measurement Methods 0.000 title claims abstract description 20
- 238000012360 testing method Methods 0.000 title claims abstract description 18
- 238000002474 experimental method Methods 0.000 claims abstract description 24
- 238000005452 bending Methods 0.000 claims abstract description 19
- 239000000696 magnetic material Substances 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 230000003068 static effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses strain gauge measurement multifunctional combination testing stands, including desk body, two first support columns and two second support columns；Pure bending beam is equipped between two first support columns, the top of pure bending beam is equipped with the first force adding machine；Any one side wall in two first support columns is equipped with iso-stress cantilever beam, and one end of iso-stress cantilever beam is equipped with the second force adding machine；Rigit-frame beam is equipped between two second support columns, the side of rigit-frame beam is equipped with third force adding machine；The two sides of desk body are equipped with storage tank；The side of storage tank is hinged with the first cover board, and the first cover board is hinged with the second cover board.The utility model is equipped with three kinds of pure bending beam, iso-stress cantilever beam and rigit-frame beam experiment conditions, can meet three kinds of test-types simultaneously, facilitate student that suitable operating condition is selected to test as needed；By the way that experiment equipment is placed on the second cover board, the usable floor area of desk body is increased, student is facilitated to observe using a variety of equipment experimental result.
Description
Technical field
The utility model belongs to experiment of machanics technical field more particularly to strain gauge measurement multifunctional combination testing stand.
Background technique
Strain ga(u)ge sensitivity coefficient measurement experiment in Experimental Mechanics course is the Branch of Mechanics that syllabus requires
Raw required experimental teaching content, is primarily used to the sensitivity coefficient of measurement strain ga(u)ge.Traditional sensitivity coefficient measurement
Device is based on pure bending beam, using mechanical deflectometer as measurement means, but due to Aging equipment, measurement accuracy
Low and test method is single, has been unable to satisfy the requirement of new experimental teaching outline at present.Meanwhile carrying out experimentation
In, kinds of experiments equipment can be used, and common experimental bench usable floor area is limited, can not accommodate many equipment simultaneously, it is not square
Just student observes experimental result using a variety of equipment.
Utility model content
For above-mentioned technical deficiency, the purpose of the utility model is to provide strain gauge measurements to be tried with multifunctional combination
Platform is tested, the disadvantage under single, experiment equipment is placed not with test method in solution in the prior art testing stand.
In order to solve the above technical problems, the utility model adopts the following technical solution:
The utility model provides strain gauge measurement multifunctional combination testing stand, including desk body, is arranged in desk body upper surface
Bottom plate and two first support columns and two second support columns that are arranged on bottom plate；Two second support columns are in
L shape shape, the horizontal ends of the second support column and the first support column corresponding with its position are fixedly connected, and the second support column erects
Straight end is fixedly connected on bottom plate；It is equipped with pure bending beam between two first support columns, is set above the pure bending beam
Have for the first force adding machine to pure bending beam applied force；It is set on any one side wall in two first support columns
There is iso-stress cantilever beam, the iso-stress cantilever beam is equipped with far from one end of the first support column for applying to iso-stress cantilever beam
Second force adding machine of power；Be equipped with rigit-frame beam between two second support columns, the side of the rigit-frame beam be equipped with for pair
The third force adding machine of rigit-frame beam applied force；
The two sides of the desk body are equipped with the storage tank that can be skidded off inside desk body；The middle part of the storage tank, which is equipped with, to be used
In the groove for placing experiment equipment, the interior demarcation plate being equipped with for partition groove space of the groove；The side of the storage tank
It is hinged with the first cover board, first cover board is hinged with the second cover board；The upper and lower surfaces of second cover board are coated with
Magnetic material compatible with the upper and lower surfaces of storage tank.
Preferably, the third force adding machine include the second transverse slat being arranged between two second support columns, with
Second shaft of the second transverse slat threaded connection and the second power wheel that the second roller end is set；Second shaft
One end far from the second power wheel is fixedly connected with Knucle-gear through fixed bin；Engage with teeth in the two sides up and down of the Knucle-gear
Item is taken turns, the end of two gear bars is fixedly connected to U-shaped piece；Two described U-shaped piece is respectively fitted over two of rigit-frame beam
The outside of vertical beam；The fixed bin is fixedly connected on bottom plate by column.
Preferably, first force adding machine includes the first transverse slat that two first upper end of support column are arranged in, sets
It sets in the middle part of two first support columns and the buffer board parallel with the first transverse slat, is threadedly coupled with the first transverse slat and runs through slow
The first rotating shaft of punching, the first power wheel that first rotating shaft upper end is set and the afterburner block that first rotating shaft lower end is set.
Preferably, second force adding machine is scale pan.
The beneficial effects of the utility model are: strain gauge measurement multifunctional combination testing stand provided by the utility model,
Equipped with three kinds of pure bending beam, iso-stress cantilever beam and rigit-frame beam experiment conditions, three kinds of test-types can be met simultaneously, it is comprehensive
Property is strong, facilitates student that suitable operating condition is selected to test as needed；By storage tank, experiment equipment can be placed, is prevented
Experiment equipment is contaminated by dust；By the way that experiment equipment is placed on the second cover board, the usable floor area of desk body is increased, facilitates
It is raw that experimental result is observed using a variety of equipment.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is when strain gauge provided by the embodiment of the utility model measurement is pulled out with multifunctional combination testing stand storage tank
Structural schematic diagram；
Fig. 2 is that strain gauge measurement provided by the embodiment of the utility model is not pulled out with the storage tank of multifunctional combination testing stand
When structural schematic diagram；
Fig. 3 is folded to structural schematic diagram when storage tank upper surface for the second cover board in the utility model；
Fig. 4 is folded to structural schematic diagram when storage tank bottom for the second cover board in the utility model；
Fig. 5 is the partial sectional view of third reinforcing structure in the utility model.
Description of symbols:
1- desk body, the first support column of 2-, the second support column of 3-, 4- bottom plate, 5- pure bending beam, 6- iso-stress cantilever beam, 7-
Rigit-frame beam, the first force adding machine of 8-, the second force adding machine of 9-, 10- third force adding machine, 11- storage tank, the first cover board of 12-,
The second cover board of 13-, 14- fixed bin, 15- Knucle-gear, 16- gear bar, 17-U type block.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figures 1 to 5, strain gauge measurement multifunctional combination testing stand, including desk body 1, it is arranged in table in desk body 1
The bottom plate 4 in face and two first support columns 2 being arranged on bottom plate 4 and two second support columns 3；Two second supports
Column 3 is in the form of an " L ", and the horizontal ends of the second support column 3 and the first support column 2 corresponding with its position are fixedly connected, and second
The vertical end of support column 3 is fixedly connected on bottom plate 4；Pure bending beam 5 is equipped between two first support columns 2, it is described pure
The top of bent beam 5 is equipped with for the first force adding machine 8 to 5 applied force of pure bending beam；In two first support columns 2
Any one side wall is equipped with iso-stress cantilever beam 6, and the iso-stress cantilever beam 6 is equipped with far from one end of the first support column 2
For the second force adding machine 9 to 6 applied force of iso-stress cantilever beam；Rigit-frame beam 7 is equipped between two second support columns 3,
The side of the rigit-frame beam 7 is equipped with for the third force adding machine 10 to 7 applied force of rigit-frame beam；
The two sides of the desk body 1 are equipped with the storage tank 11 that can be skidded off inside desk body 1, the side wall of 11 two sides of storage tank
Both ends are equipped with limited block compatible with 1 inner sidewall of desk body, prevent storage tank 11 from skidding off out of desk body 1 completely, storage tank 11
It inside can store the equipment for experiment, such as deflectometer, power indicator, static resistance deformeter；In the storage tank 11
Portion is equipped with the groove for placing experiment equipment, and the demarcation plate for partition groove space is equipped in the groove, facilitates classification
It places；The side of the storage tank 11 is hinged with the first cover board 12, and first cover board 12 is hinged with the second cover board 13；Described
The upper and lower surfaces of two cover boards 13 are coated with magnetic material compatible with the upper and lower surfaces of storage tank 11.
Preferably, the third force adding machine 10 include be arranged in the second transverse slat between two second support columns 3,
The second shaft for being threadedly coupled with second transverse slat and the second power wheel that the second roller end is set；Described second turn
The one end of axis far from the second power wheel is fixedly connected with Knucle-gear 15 through fixed bin 14；The two sides up and down of the Knucle-gear 15 are equal
It is engaged with gear bar 16, the end of two gear bars 16 is fixedly connected to U-shaped piece 17；Two U-shaped piece 17 difference
It covers in the outside of two vertical beams of rigit-frame beam 7；The fixed bin 14 is fixedly connected on bottom plate 4 by column.
Preferably, first force adding machine 8 include be arranged in two first support column, 2 upper ends the first transverse slat,
Two first support columns, 2 middle part and the buffer board parallel with the first transverse slat are set, is threadedly coupled and passes through with the first transverse slat
Wear the first rotating shaft of buffer board, the first power wheel that first rotating shaft upper end is set and the reinforcing that first rotating shaft lower end is set
Block.
Preferably, second force adding machine 9 is scale pan.
In use, according to experiment needs, can select separately or together pure bending beam 5, iso-stress cantilever beam 6 and just
It sets a roof beam in place and 7 is tested, and deflectometer or static resistance deformeter is selected to carry out the display of result separately or together；
When selecting pure bending beam 5 to be tested, strain gauge is mounted on pure bending beam 5, passes through the first reinforcing of rotation
Wheel, reinforces afterburner block to pure bending beam 5, observes the experimental result that deflectometer or static resistance deformeter are shown；
When selecting rigit-frame beam 7 to be tested, strain gauge is mounted on two vertical beams of rigit-frame beam 7, rotation second
Power wheel makes the second shaft that Knucle-gear 15 be driven to rotate, so that two gear bars 16 be driven to slide, two U-shaped piece 17 right simultaneously
The reality that inner wall or outer wall the opposite direction force of two vertical beams of rigit-frame beam 7, observation deflectometer or static resistance deformeter are shown
Test result；
When selecting iso-stress cantilever beam 6 to be tested, iso-stress cantilever beam 6 is applied by applying counterweight to scale pan
The experimental result that power, observation deflectometer or static resistance deformeter are shown；
Need to take out of storage tank 11 experiment equipment when, storage tank 11 is pulled out inside desk body 1, and by the second cover board
13 are folded to the lower surface of storage tank 11, experiment equipment of taking out of storage tank 11 groove；When need using storage tank 11 come
When placing experiment equipment, the second cover board 13 is folded to the upper surface of storage tank 11, experiment equipment is placed on the second cover board 13
On；Meanwhile when storage tank 11 is placed on 1 inside of desk body, the second cover board 13 is folded to the upper surface of storage tank 11, can prevent
Dust pollutes experiment equipment.
Strain gauge measurement multifunctional combination testing stand provided by the utility model, is equipped with pure bending beam 5, iso-stress cantilever
7 three kinds of experiment conditions of beam 6 and rigit-frame beam can meet three kinds of test-types simultaneously, comprehensive strong, facilitate student as needed
Suitable operating condition is selected to be tested；By storage tank 11, experiment equipment can be placed, experiment equipment is prevented to be contaminated by dust；
By the way that experiment equipment is placed on the second cover board 13, the usable floor area of desk body 1 is increased, student is facilitated to use a variety of equipment pair
Experimental result is observed.
Obviously, it is practical without departing from this can to carry out various modification and variations to the utility model by those skilled in the art
Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (4)
1. strain gauge measurement multifunctional combination testing stand, which is characterized in that including desk body (1), be arranged in desk body (1) upper surface
Bottom plate (4) and two first support columns (2) and two second support columns (3) that are arranged on bottom plate (4)；Two described
Two support columns (3) are in the form of an " L ", and the horizontal ends of the second support column (3) and the first support column corresponding with its position (2) are solid
Fixed connection, the vertical end of the second support column (3) are fixedly connected on bottom plate (4)；It is equipped between two first support columns (2)
The top of pure bending beam (5), the pure bending beam (5) is equipped with for the first force adding machine to pure bending beam (5) applied force
(8)；Any one side wall in two first support columns (2) is equipped with iso-stress cantilever beam (6), and the iso-stress is outstanding
Arm beam (6) is equipped with far from the one end of the first support column (2) for the second force adding machine to iso-stress cantilever beam (6) applied force
(9)；Rigit-frame beam (7) are equipped between two second support columns (3), the side of the rigit-frame beam (7) is equipped with for rigid frame
The third force adding machine (10) of beam (7) applied force；
The two sides of the desk body (1) are equipped with the storage tank (11) that can be skidded off inside desk body (1)；The storage tank (11)
Middle part is equipped with the groove for placing experiment equipment, and the demarcation plate for partition groove space is equipped in the groove；The storage
The side of object case (11) is hinged with the first cover board (12), and first cover board (12) is hinged with the second cover board (13)；Described second
The upper and lower surfaces of cover board (13) are coated with magnetic material compatible with the upper and lower surfaces of storage tank (11).
2. strain gauge measurement multifunctional combination testing stand as described in claim 1, which is characterized in that the third assistor
Structure (10) includes the second transverse slat being arranged between two second support columns (3), is threadedly coupled with second transverse slat
Second shaft and the second power wheel that the second roller end is set；Second shaft is passed through far from one end of the second power wheel
It wears fixed bin (14) and is fixedly connected with Knucle-gear (15)；The two sides up and down of the Knucle-gear (15) are engaged with gear bar (16),
The end of two gear bars (16) is fixedly connected to U-shaped piece (17)；It is respectively fitted over rigit-frame beam for two U-shaped piece (17)
(7) outside of two vertical beams；The fixed bin (14) is fixedly connected on bottom plate (4) by column.
3. strain gauge measurement multifunctional combination testing stand as described in claim 1, which is characterized in that first assistor
Structure (8) include setting two first support column (2) upper ends the first transverse slat, be arranged in two first support columns
(2) middle part and the buffer board parallel with the first transverse slat, the first rotating shaft for being threadedly coupled with the first transverse slat and running through buffer board, setting
First rotating shaft upper end the first power wheel and the afterburner block of first rotating shaft lower end is set.
4. strain gauge measurement multifunctional combination testing stand as described in claim 1, which is characterized in that second assistor
Structure (9) is scale pan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721599803.9U CN208351771U (en) | 2017-11-24 | 2017-11-24 | Strain gauge measurement multifunctional combination testing stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721599803.9U CN208351771U (en) | 2017-11-24 | 2017-11-24 | Strain gauge measurement multifunctional combination testing stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208351771U true CN208351771U (en) | 2019-01-08 |
Family
ID=64874549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721599803.9U Expired - Fee Related CN208351771U (en) | 2017-11-24 | 2017-11-24 | Strain gauge measurement multifunctional combination testing stand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208351771U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109959496A (en) * | 2019-03-26 | 2019-07-02 | 河南理工大学 | Solve the live load factor experimental provision and experimental method of a variety of beams |
-
2017
- 2017-11-24 CN CN201721599803.9U patent/CN208351771U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109959496A (en) * | 2019-03-26 | 2019-07-02 | 河南理工大学 | Solve the live load factor experimental provision and experimental method of a variety of beams |
| CN109959496B (en) * | 2019-03-26 | 2023-12-05 | 河南理工大学 | Experimental device and experimental method for solving dynamic load factors of various beams |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201583444U (en) | Electronic universal tester | |
| CN201909739U (en) | Arch structure test device | |
| CN203966436U (en) | A kind of four-bar linkage apparatus for demonstrating | |
| CN206789143U (en) | A kind of Middle School Physics teaching aid for buoyancy of object measurement | |
| CN208351771U (en) | Strain gauge measurement multifunctional combination testing stand | |
| CN203849102U (en) | Tensile testing machine | |
| CN207937266U (en) | polluted soil tensile strength tester | |
| CN212300363U (en) | Measuring tool for engineering supervision | |
| CN203588519U (en) | Balance for physics teaching | |
| CN205958369U (en) | Fluid pressure type universal tester | |
| CN207717531U (en) | A kind of device for exerting and screen pressure test device | |
| CN212460922U (en) | Buoyancy experimental facilities is used in teaching | |
| CN210108312U (en) | Thickness tester is with base that has fixed knot to construct | |
| CN204555974U (en) | Planar tilt measuring instrument | |
| CN107219222A (en) | It is a kind of to be used for the auxiliary equipment of core observation and description | |
| CN207248469U (en) | Shake table test fixture | |
| CN202601040U (en) | Archimedes law demonstration teaching aid | |
| CN206505631U (en) | A kind of high school physicses mechanics study apparatus for demonstrating | |
| CN101719330A (en) | General training device of automatic production line | |
| CN218211158U (en) | Wall detection device for construction | |
| CN209625567U (en) | A kind of Portable dismountable lever balance experimental provision | |
| CN107741202A (en) | A kind of leaf springs of car camber detection means | |
| CN209216380U (en) | A kind of physics student experimental teaching connecting rod apparatus for demonstrating | |
| CN215810619U (en) | Pre-camber measuring device for beam | |
| CN205088717U (en) | Composite foundation model experiment groove |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190108 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |