CN2784909Y - Multifunctional combined experimental bench for mechanics of material - Google Patents
Multifunctional combined experimental bench for mechanics of material Download PDFInfo
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- CN2784909Y CN2784909Y CN 200520023972 CN200520023972U CN2784909Y CN 2784909 Y CN2784909 Y CN 2784909Y CN 200520023972 CN200520023972 CN 200520023972 CN 200520023972 U CN200520023972 U CN 200520023972U CN 2784909 Y CN2784909 Y CN 2784909Y
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Abstract
The utility model relates to a multifunctional combined experimental bench for mechanics of material, which is provided with an experimental bench frame which is composed of a section of oblong frame which is formed by the upward extension of a rear lateral frame, a stretching and a pressure rod experiment mechanism which is arranged between an upper cross beam and a lower cross beam of a front lateral frame of the experimental bench frame, a pure bending normal stress experiment mechanism which is arranged on an upper cross beam of a rear lateral frame of the experimental bench frame, a bending and twisting combined experiment mechanism which is arranged in front of the upper cross beam of the rear lateral frame of the experimental bench frame, and a cantilever beam experiment mechanism which is arranged on the upper surface of the upper cross beam of the front lateral frame of the experimental bench frame. The bending and twisting combined experiment mechanism, the cantilever beam experiment mechanism, a pulling and pressing experiment loading mechanism and the pure bending normal stress experiment mechanism are respectively on the upper cross beam of the front lateral frame of the experimental bench frame and an intermediate cross beam of the rear lateral frame. The utility model lead various experimental benches to be skillfully combined, so a plurality of groups of basis mechanics experiment can be carried out on the same bench. Consequently, the utility model has the advantages of convenient experiment operation, space occupation saving and the reduction of the arrangement of experimental benches and use cost.
Description
Technical field
The utility model relates to the material mechanics experiment device, is the multi-functional combination experiment platform of a kind of mechanics of materials specifically.
Background technology
At present, the teaching of the material mechanics experiment of each universities and colleges is generally adopted pure bending beam experiment table, bending combination experiment platform, semi-girder experiment table, stretching and depression bar experiment table, as the experimental facilities of fundamental mechanics project.Because each experiment table experiment subject that can carry out is single, it is many to finish the required experiment table number of fundamental mechanics experimental teaching, takies that to test site area big, the equipment cost height of purchasing.In addition, also there are the following problems for the associated mechanisms of each experiment table:
1, charger adopts screw mechanism, and the loading stepping accuracy is low, the load poor stability, and load operation power is big.
2, tensile test specimen adopts fixedly fastening structure, to the concentricity requirement strictness of web member up and down, processing technology complexity.
3, the test specimen of bending combination experiment platform adopts keyway to fix or weld fixingly, requires to have big gap and key way fixed form test specimen is stressed and theoretical, and the experimental data error is bigger; The welding fixed form then lacks dirigibility, and test specimen paster and adjustment are inconvenient.
Summary of the invention
The purpose of this utility model is at the problems referred to above, a kind of compact conformation is provided, takies that the experiment place is few, the cost of purchasing is low, can finish the multi-functional combination experiment platform of multinomial Experiments of Machanics section's purpose mechanics of materials on the same stage.The purpose of this utility model also is by to charger, the stability of load operation performance, test specimen installation capability and the experiment of the experiment table that improves of tensile test specimen and bending test specimen assembly structure and the performance accurately and reliably of experimental data.
The technical scheme that realizes above-mentioned purpose is: the multi-functional combination experiment platform of a kind of mechanics of materials, include experimental stand and stretching and depression bar experiment mechanism, pure bending normal stress experiment mechanism, bending combination experiment mechanism, semi-girder experiment mechanism, its experimental stand is arranged to the back side frame and is extended upward one section quadra, stretching and depression bar experiment mechanism are arranged between the lower and upper cross-member of the preceding side frame of stand, pure bending normal stress experiment mechanism is arranged on behind the stand on the side frame entablature, bending combination experiment mechanism is arranged at the front of back side frame entablature, semi-girder experiment mechanism be arranged on side frame entablature before the stand above, before stand, be respectively arranged with the tension and compression experiment load maintainer on the intermediate transverse girder of on the entablature of side frame and back side frame, bending combination experiment and semi-girder experiment load maintainer and pure bending normal stress experiment load maintainer.
The technical solution of the utility model also comprises: described load maintainer is put the screw-nut body on crossbeam and is placed in the crossbeam and be that the worm-and-wheel gear of main shaft and the handle that is installed in worm shaft end constitute with the leading screw by perpendicular; The tensile test specimen connector of described stretching and depression bar experiment mechanism is arranged to bulb bindiny mechanism; The experiment tube stiff end of described bending combination experiment mechanism is provided with the fixing anchor ear, is equipped with fan-shaped loading arm at the loading end of experiment tube; Four of its framework jiaos of places are equipped with threaded adjustment cribbing seat respectively below described experimental stand.
The multi-functional combination experiment platform of this mechanics of materials has following advantage:
1, with kinds of experiments platform organic assembling, realize one multi-functional, can carry out the experiment of many group fundamental mechanics on the same stage, thereby make things convenient for experimental implementation greatly, save equipment occupation space, reduce purchasing and use cost of experiment table.
2, adopt the worm and gear load maintainer, flexible operation, accurate, stable, reliability height.
3, bending combination experiment tube is fixing simple, convenient, loads and uses the sector arm structure, has eliminated loading position and has changed the loading error that causes.
4, the stretching experiment test specimen connects employing bulb connector up and down, and mechanism possesses the self-regulated heart function, thereby can effectively reduce the requirement to the web member concentricity.
5, stand configuration threaded adjustment carrier base is simple in structure, easy to adjust.
Description of drawings
Fig. 1 is the multi-functional combination experiment platform of this a mechanics of materials structural front view;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the vertical view of Fig. 1;
Fig. 4 is a load maintainer master cut-open view;
Fig. 5 is the vertical view cutaway drawing of load maintainer;
Fig. 6 is the structural representation that stretching and depression bar experiment mechanism are used for stretching experiment;
Fig. 7 is a semi-girder experiment structural scheme of mechanism;
Fig. 8 is that the bending combination experiment master of mechanism looks synoptic diagram;
Fig. 9 is the left view of Fig. 8;
Figure 10 is a pure bending normal stress experiment structural scheme of mechanism.
Embodiment
Embodiment describes embodiment of the present utility model in conjunction with the accompanying drawings:
Provide as accompanying drawing 1, accompanying drawing 2 and accompanying drawing 3, the multi-functional combination experiment platform of this mechanics of materials has a frame-type experimental stand 1, and this stand is arranged to the back side frame and is extended upward one section rectangular frame.Four jiaos of places below experimental stand 1 are provided with the threaded adjustment cribbing seat 8 that is used to adjust the experiment table horizontal level respectively.Before stand 1, be provided with between the lower and upper cross-member of side frame and stretch and depression bar experiment mechanism 2, pure bending normal stress experiment mechanism 3 is set on the entablature of stand 1 back side frame, front at stand 1 back side frame entablature is provided with bending combination experiment mechanism 4, and semi-girder experiment mechanism 5 is set above the side frame entablature before stand 1.The centre position of side frame entablature is provided with tension and compression experiment load maintainer 7 before stand 1, arranged outside at load maintainer 7 has bending combination experiment and semi-girder experiment load maintainer 6, and pure bending normal stress experiment load maintainer 9 is set on the intermediate transverse girder of stand 1 back side frame.The combinations thereof structure makes this experiment table can carry out multiple fundamental mechanics experiment on the same stage.
As accompanying drawing 4, accompanying drawing 5, the load maintainer 6,7 of this experiment table and 9 is put the screw-nut body 10 on crossbeam and is placed in the crossbeam and be that the worm-and-wheel gear 11 of main shaft and the handle 12 that is installed in worm shaft end are formed with the leading screw by perpendicular.Above-mentioned worm and gear loading structure has rapid operation, loads characteristics stably.And, make the experiment table mechanism simplifying, compact conformation by cooperating with experiment the organic of mechanism.
Accompanying drawing 7 has provided the concrete enforcement structure of this experiment table semi-girder experiment mechanism 5.Its parallel girder support is weldingly fixed on the right side above the side frame entablature before the stand 1, load maintainer 6 by force cell to experiment beam imposed load.
Accompanying drawing 8, accompanying drawing 9 have provided the concrete structure of this experiment table bending combination experiment mechanism 4, stationkeeping is provided with and fixes anchor ear 14 on the right side in the front of experimental stand 1 back side frame entablature, be used for fixing the experiment tube, the loading end of experiment tube assembles fan-shaped loading arm 15 by pin is fixing, and is connected with load maintainer 6 through backguy and force cell.Because sector arm and bending experiment tube axle center is concentric, thereby the moment of flexure during loading does not change.
Accompanying drawing 10 has provided the concrete enforcement structure of this experiment table pure bending normal stress experiment mechanism.Its pure bending beam places the top of side frame entablature behind the experimental stand, place the load maintainer 9 on the side frame intermediate transverse girder of back pure bending beam to be loaded, finish the Experiments of Machanics of pure bending beam by force cell, the perpendicular pull bar of putting that loads crossbeam and be fixed on the pure bending beam both sides.
Claims (5)
1, the multi-functional combination experiment platform of a kind of mechanics of materials, include experimental stand (1) and stretching and depression bar experiment mechanism (2), pure bending normal stress experiment mechanism (3), bending combination experiment mechanism (4), semi-girder experiment mechanism (5), it is characterized in that: experimental stand (1) is arranged to the back side frame and is extended upward one section quadra, stretching and depression bar experiment mechanism (2) are arranged between the lower and upper cross-member of the preceding side frame of stand (1), pure bending normal stress experiment mechanism (3) is arranged on the entablature of stand (1) back side frame, bending combination experiment mechanism (4) is arranged at the front of stand (1) back side frame entablature, semi-girder experiment mechanism (5) be arranged on the preceding side frame entablature of stand (1) above, on the intermediate transverse girder of on the entablature of the preceding side frame of stand (1) and back side frame, be respectively arranged with bending combination experiment and semi-girder experiment load maintainer (6), tension and compression experiment load maintainer (7) and pure bending normal stress experiment load maintainer (9).
2, the multi-functional combination experiment platform of the mechanics of materials according to claim 1 is characterized in that: described load maintainer (6), (7) and (9) are put the screw-nut body (10) on crossbeam and are placed in the crossbeam and be that the worm-and-wheel gear (11) of main shaft and the handle (12) that is installed in worm shaft end are formed with the leading screw by perpendicular.
3, the multi-functional combination experiment platform of the mechanics of materials according to claim 1 is characterized in that: the tensile test specimen connector (13) of stretching and depression bar experiment mechanism (2) is arranged to bulb bindiny mechanism.
4, the multi-functional combination experiment platform of the mechanics of materials according to claim 1 is characterized in that: the experiment tube stiff end of bending combination experiment mechanism (4) is provided with and fixes anchor ear (14), is equipped with fan-shaped loading arm (15) at the loading end of testing tube.
5, the multi-functional combination experiment platform of the mechanics of materials according to claim 1 is characterized in that: four jiaos of its framework places are equipped with threaded adjustment cribbing seat (8) respectively below experimental stand (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520023972 CN2784909Y (en) | 2005-04-26 | 2005-04-26 | Multifunctional combined experimental bench for mechanics of material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520023972 CN2784909Y (en) | 2005-04-26 | 2005-04-26 | Multifunctional combined experimental bench for mechanics of material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2784909Y true CN2784909Y (en) | 2006-05-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520023972 Expired - Fee Related CN2784909Y (en) | 2005-04-26 | 2005-04-26 | Multifunctional combined experimental bench for mechanics of material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2784909Y (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871826A (en) * | 2009-04-22 | 2010-10-27 | 项晓明 | Continuous test device for torsion moment/bending moment of valve and test method thereof |
| CN101710045B (en) * | 2009-11-11 | 2011-10-19 | 中国农业大学 | Method and device for detecting elasticity modulus of corn stalks |
| CN101451904B (en) * | 2008-12-25 | 2012-01-25 | 陶泽成 | Stewpot handle bending strength test machine |
| CN101458878B (en) * | 2008-12-25 | 2012-06-27 | 青岛理工大学 | Mechanics experiment instrument |
| CN102944406A (en) * | 2012-11-21 | 2013-02-27 | 中国农业大学 | Laying hen welfare cage bottom net load test device and method thereof |
| CN103076196A (en) * | 2013-01-08 | 2013-05-01 | 东华大学 | Device for testing mechanical property of shelf base combination |
| CN103136992A (en) * | 2011-11-28 | 2013-06-05 | 南京航空航天大学 | Multi-functional combined type mechanical testing method |
| CN103136993A (en) * | 2011-11-28 | 2013-06-05 | 南京航空航天大学 | Combined rigid frame mechanics experimental device |
| CN103136991A (en) * | 2011-11-28 | 2013-06-05 | 南京航空航天大学 | Combined tensile experimental device |
| CN104374634A (en) * | 2014-11-10 | 2015-02-25 | 安徽农业大学 | Material mechanical linkage test bed |
| CN104751704A (en) * | 2015-01-22 | 2015-07-01 | 安徽工程大学 | Combined type multifunctional structure mechanics experiment rack |
| CN105319135A (en) * | 2014-07-15 | 2016-02-10 | 辽东学院 | Bend and twist combination test machine |
| CN108956292A (en) * | 2018-06-22 | 2018-12-07 | 河海大学 | Consider the experimental rig of steel bridge deck seam cross-section primary stress effect |
-
2005
- 2005-04-26 CN CN 200520023972 patent/CN2784909Y/en not_active Expired - Fee Related
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101451904B (en) * | 2008-12-25 | 2012-01-25 | 陶泽成 | Stewpot handle bending strength test machine |
| CN101458878B (en) * | 2008-12-25 | 2012-06-27 | 青岛理工大学 | Mechanics experiment instrument |
| CN101871826A (en) * | 2009-04-22 | 2010-10-27 | 项晓明 | Continuous test device for torsion moment/bending moment of valve and test method thereof |
| CN101710045B (en) * | 2009-11-11 | 2011-10-19 | 中国农业大学 | Method and device for detecting elasticity modulus of corn stalks |
| CN103136991A (en) * | 2011-11-28 | 2013-06-05 | 南京航空航天大学 | Combined tensile experimental device |
| CN103136993B (en) * | 2011-11-28 | 2015-08-12 | 南京航空航天大学 | A kind of combined type rigid frame dynamics experimental device |
| CN103136992A (en) * | 2011-11-28 | 2013-06-05 | 南京航空航天大学 | Multi-functional combined type mechanical testing method |
| CN103136993A (en) * | 2011-11-28 | 2013-06-05 | 南京航空航天大学 | Combined rigid frame mechanics experimental device |
| CN102944406A (en) * | 2012-11-21 | 2013-02-27 | 中国农业大学 | Laying hen welfare cage bottom net load test device and method thereof |
| CN102944406B (en) * | 2012-11-21 | 2014-12-10 | 中国农业大学 | Laying hen welfare cage bottom net load test device and method thereof |
| CN103076196B (en) * | 2013-01-08 | 2015-04-08 | 东华大学 | Device for testing mechanical property of shelf base combination |
| CN103076196A (en) * | 2013-01-08 | 2013-05-01 | 东华大学 | Device for testing mechanical property of shelf base combination |
| CN105319135A (en) * | 2014-07-15 | 2016-02-10 | 辽东学院 | Bend and twist combination test machine |
| CN105319135B (en) * | 2014-07-15 | 2017-10-20 | 辽东学院 | Crankling vibration experimental machine |
| CN104374634A (en) * | 2014-11-10 | 2015-02-25 | 安徽农业大学 | Material mechanical linkage test bed |
| CN104751704A (en) * | 2015-01-22 | 2015-07-01 | 安徽工程大学 | Combined type multifunctional structure mechanics experiment rack |
| CN104751704B (en) * | 2015-01-22 | 2017-07-28 | 安徽工程大学 | A kind of multifunctional assembled structural mechanics experimental stand |
| CN108956292A (en) * | 2018-06-22 | 2018-12-07 | 河海大学 | Consider the experimental rig of steel bridge deck seam cross-section primary stress effect |
| CN108956292B (en) * | 2018-06-22 | 2020-08-25 | 河海大学 | Test device considering initial stress action of cross section of steel bridge deck plate welding seam |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |