CN100504343C - Multifunctional testing machine for mechanics of materials - Google Patents
Multifunctional testing machine for mechanics of materials Download PDFInfo
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- CN100504343C CN100504343C CNB031440088A CN03144008A CN100504343C CN 100504343 C CN100504343 C CN 100504343C CN B031440088 A CNB031440088 A CN B031440088A CN 03144008 A CN03144008 A CN 03144008A CN 100504343 C CN100504343 C CN 100504343C
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- bending
- oil cylinder
- twisting
- pressing
- loading
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Abstract
The present invention relates to a multifunctional testing machine of the mechanics of materials, which combines testing, such as pulling, pressing, bending, twisting, crankling, etc., so as to be finThis invention relates to test machine of multifunctional material mechanics, which combines the operation of drawing, pressing, bending and twisting into one single test machine. The loading of drawiished on one testing machine. Pulling and pressing loading adopts a hydraulic oil cylinder loading mode, and twisting adopts a loading mode that a motor drives a speed reducer. A machine frame adopts ng and pressing employs the mode of hydraulic-oil vats. The twisting loading mode employs electromotor-driving speed reducer. The frame employs the door frame structure, in which the parts of drawing a door frame construction, a pulling part and a pressing part are arranged in a door frame, a twisting part is arranged at one side of the door frame, a root flange of a bending and twisting combinatiand pressing are located and on one side of which the twisting part is located and on the other side of which the part of bending is located, and in which a bending erection support is located. The coon is arranged at the other side of the door frame, and a bending support seat is arranged in the door frame. A corresponding sensor is arranged relative to a common parameter to be measured. The presrresponding sensor is equipped to the common parameters to be measured. This invention employs clamp device connection that is helpful to extend the experiments. And common parameters to be measured aent invention combines pulling, pressing, bending, twisting, crankling, etc. so as to be finished on one testing machine, a testing space is saved, and production costs are reduced. A gripping head core exported by in-built sensor in the form of electrical signal, which is helpful to collecting the following data. It is especially applicable to the teaching experiment of material mechanics . nnection mode is simple is favorable for the expansion of testing. The common measured parameter is transferred outwards through a built-in sensor in an electrical signal mode so as to be favorable for the data acquisition of subsequent data acquisition devices. The present invention is especially suitable for the teaching testing of the mechanics of the materials.
Description
Technical field the present invention relates to a kind of material mechanical performance and detects test unit, especially at institution of higher learning's material mechanics experiment teaching field.
Background technology is present, material is being carried out tensile, compressive, bending, turn round and all adopting during the bending combination experiment several different testing equipments, and promptly we are seen usually draws, presses universal testing machine, torsion testing machine and bending combined test bed etc.The WE-100 type universal hydraulic testing machine of producing as Jinan ensaying group can carry out tests such as tensile, compressive, bending to material, but it can not carry out torsion test and bending composite test to material; The NJ-100B type torsion testing machine that green hill testing machine factory produces can carry out twisting test to material but can't draw, press test and bending composite test to material, and price is higher.Some is at the combination test apparatus of material mechanics experiment Instructional Development, price lower and most of be the combination of several tests, but do not comprise basic draw, pressure and torque failure test.Can finish drawing under the bending of material and the little load, pressure etc. as practicality novel " mechanics of materials multi-function test stand " (patent No.: ZL 97207386.8), but can't reverse and basic draw, press destructive test material.And most test instrumentations adopt with the mode of adorning after the different tests, have increased the fussy degree of test and have been unfavorable for saving test space.
Summary of the invention the purpose of this invention is to provide a kind of multifunctional material mechanics testing machine, its with tensile, compressive, bending, turn round and the bending composite test is combined on the testing machine and finishes, can finish test specimen tensile, compressive, bending, turn round and the bending composite test.And tested parameter commonly used is provided with corresponding sensor to be used for follow-up data acquisition equipment.
The solution of the present invention is: the present invention is made up of the loading section that connects each other, transducing part.Wherein loading section is finished the clamping of test specimen and is applied the appointment external load; Transducing part uses with the form output of electric signal various measured parameter for data acquisition equipment.
Loading section is by drawing, press loading substantially and reversing loading two parts and form.Draw, press to load the mode that adopts hydraulic jack to load, reverse the mode that adopts the motor drives reductor to load that loads.Draw, the splenium branch is installed in the one door type framework, the reverse part is installed in a side of portal frame.At the opposite side of portal frame bending combination root is installed and is sent out orchid, at portal frame installed inside Bending support.Frame adopts the gate-type structure of shaped steel welding, and oil cylinder is installed in the bottom of portal frame, draws, presses another point of fixity to be arranged on the top of portal frame, so just forms the space of tension and compression.In this space by different test specimens being installed and being adopted different loading forms can finish experiments such as the stretching of test specimen, compression, bending and bending combination.The reductor support plate is reversed in installation in portal frame one heel post bottom, reverses the reductor assembly and is installed on the back up pad, and its output shaft forms the moved end of reversing; Form the fixed end of reversing at column top even twisting moment sensor, form one between moved end and the fixed end and reverse the space.Link with moved end of reversing and fixed end respectively and just can carry out twisting test reversing the test specimen two ends.
Transducing part be provided with pulling force that oil cylinder working-pressure sensor, oil cylinder piston bar displacement transducer, torque sensor and photoelectric encoder be used for detecting oil cylinder output respectively, pressure, oil cylinder piston bar displacement, twisting test moment of torsion and reverse the corner of moving axis.And all the sensors out splice going splice focused on a side of experimental machine, use for data acquisition equipment.
Advantage of the present invention is: with basic tensile, compressive, bending, turn round and the bending combination experiment is combined, different experiments is concentrated finish, help reducing production costs.Chuck connects form and simply helps the expansion tested.And multiple sensors is housed, help data acquisition.
The present invention is further described below in conjunction with drawings and Examples
Description of drawings
Fig. 1 is the outward appearance front view of multifunctional material mechanics testing machine embodiment
Fig. 2 is the structure elevation drawing of multifunctional material mechanics testing machine embodiment, and the A-A of Fig. 3 is to cut-open view
Fig. 3 is that the B-B of Fig. 2 is to cut-open view
Fig. 4 is the left view of Fig. 1
Fig. 5 is the right view of Fig. 1
Fig. 6 is the vertical view of bending composite member
1 is base among the figure, the 2nd, and left column, the 3rd, sill, the 4th, reverse the reductor back up pad, the 5th, reverse the reductor assembly, the 6th, photoelectric encoder, the 7th, reverse moving axis, the 8th, reverse lower chuck, the 9th, reverse test specimen, the 10th, reverse upper grip, the 11st, reverse dead axle, the 12nd, torque sensor, the 13rd, torque sensor fixed head, the 14th, entablature, the 15th, tensimeter, the 16th, top hinge assembly, the 17th, top hinge pull bar, the 18th, draw, press reducing sleeve, the 19th, the tensile test specimen upper grip, the 20th, bending combination root is sent out orchid, and the 21st, tensile test specimen, the 22nd, Bending support, the 23rd, the tensile test specimen lower chuck, the 24th, draw, depress reducing sleeve, the 25th, adapting rod, the 26th, workbench, the 27th, workbench support, the 28th, oil cylinder piston bar, the 29th, oil cylinder, the 30th, right column, the 31st, oil pump assy, the 32nd, oil-feed handwheel, the 33rd, control knob, the 34th, the control skewback, the 35th, regulator cubicle, the 36th, right side post, the 37th, oil return handwheel, the 38th, the left side post, the 39th, drawer, the 40th, reverse the top shrouding, the 41st, the front lower shrouding, the 42nd, the sensor out splice going splice, the 43rd, compression cylinder pressure transducer, the 44th, drawing oil cylinder pressure transducer, the 45th, piston rod displacement transducer, the 46th, bearing plate in the compression, the 47th, compression bottom hinge assembly, the 48th, compression specimens, the 49th, bending composite member force application rod, the 50th, bending composite member bending bar, the 51st, bending composite member fixed bar.
Embodiment one embodiment of the present of invention are to implement like this:
One, the tension and compression part is in Fig. 1, Fig. 2, Fig. 3, Fig. 6, by base (1), left column (2), right column (30), entablature (14) and sill (3) form draw, the press box frame, left column (2), right column (30), and sill (3) be welded on the base (1), entablature (14) and sill (3) respectively with left column (2), right column (30) welding.Oil cylinder (29) is fixed on the sill (3), drawing, depress portion's reducing sleeve (24) links by adapting rod (25) and oil cylinder piston bar (28), top hinge assembly (16) is fixed on the entablature (14), draws, presses portion's reducing sleeve (18) and link by top hinge pull bar (17) and top hinge assembly (16).During stretching experiment, on the upper and lower reducing sleeve of tension and compression (18), (24), load onto the upper and lower chuck of tensile test specimen (19), (23) respectively, tensile test specimen (21) clamps by the upper and lower chuck (19) that stretches, (23), and then oil cylinder piston bar (28) can apply pulling force to tensile test specimen (21) when moving downward.The size of pulling force is by drawing oil cylinder pressure transducer (44) output, and the distortion of test specimen is exported by oil cylinder piston bar displacement transducer (45).During compression experiment, on the upper and lower reducing sleeve of tension and compression (18), (24), load onto compression respectively and go up bearing plate (46) and compression bottom hinge assembly (47), compression specimens (48) lies on the compression bottom hinge assembly (47), can exert pressure to compression specimens (48) when then the oil cylinder piston bar moves upward.The size of pressure is by compression cylinder pressure transducer (43) output, and the distortion of test specimen is by oil cylinder piston bar displacement transducer (45) output of interior dress.The hydraulic oil of piston rod (28) operation is provided by oil pump assy (31), and the size of the commutation of piston rod (28) up-downgoing, travelling speed, load is finished jointly by control knob (33), oil-feed handwheel (32) and oil return handwheel (37).Tensimeter (15) is installed in right column (30) top, and pressure oil output oil pipe direct and oil pump assy (31) links, and monitors the variation of pressure in the process of the test.Bending combination root is installed at right column (30) middle part is sent out orchid (20), bending composite member fixed bar (51) is installed in bending combination root sends out (20) in the orchid, bending composite member force application rod (49) links with oil cylinder piston bar (28), the descending bending combination that just can finish bending composite member bending bar (50) of piston rod (28) loads, the size of load is by drawing oil cylinder pressure transducer (44) output, and the displacement of force side is exported by piston rod displacement transducer (45).
At left and right column (2), (30) middle part Bending support (22) is housed respectively, makes and to finish crooked experiment in the tension and compression space.Oil cylinder piston bar (28) and top hinge pull bar (17) all externally connect with thread forms, are beneficial to expand other test.
Two, the reverse part is in Fig. 2, Fig. 5, by base (1), left column (2), reverse reductor support plate (4), torque sensor fixed head (13) and form and reverse framework, reverse reductor support plate (4), torque sensor fixed head (13) all links with left column, reverse reductor support plate (4) and link simultaneously with base (1).Reverse reductor assembly (5) and be installed in and reverse on the reductor support plate (4), reverse reductor assembly (5) output shaft and reverse moving axis (7) and link, photoelectric encoder (6) and reverse lower chuck (8) and be installed in and reverse on the moving axis (7).Torque sensor (12) is installed on the torque sensor fixed head (13), reverses dead axle (11) and passes torque sensor (12), and can slide up and down in torque sensor (12), reverses upper grip (10) and is installed in and reverses on the dead axle (11).Reversing test specimen (9) is the flat round test specimens of two end mills, is installed in respectively in the jaw that reverses upper and lower chuck (10), (8), and deceleration assembly (5) is reversed in starting, reverses moving axis (7) and rotates, and just can apply moment of torsion to reversing test specimen (9).The size of moment of torsion is by torque sensor (12) output, and corner is exported by photoelectric encoder (6).
Three, accessory constituent is in Fig. 1, Fig. 2, Fig. 4, on base (1) certain altitude, establish a workbench (26), workbench (26) is fixed on the workbench support (27), workbench support (27) is welded on respectively on left column (2), right column (30), left side post (38), the right side post (36), and left side post (38), right side post (36) are welded on the base (1).Regulator cubicle (35) is arranged on and reverses on the reductor support plate (4).On regulator cubicle (35) right side front lower shrouding (41) is set, is installed on left side post (38), the right side post (36).Control skewback (34) is installed on workbench (26) and left and right side post (38), (36).Control knob (33) is installed on the control skewback (34).Sensor out splice going splice (42) centralized arrangement is on the experimental machine right side, below the workbench (26).Drawer (39) is installed in control skewback (34) middle part.Oil pump assy (31) is fixed on the base (1).
Claims (2)
1, a kind of multifunctional material mechanics testing machine comprises loading section, transducing part and data acquisition equipment; Frame adopts portal frame construction, loading section to comprise and draws, presses loading section and reverse loading section, draws, presses to load the mode that adopts hydraulic jack to load, and reverses the mode that adopts the direct motor drive reductor to load that loads; It is characterized in that: oil cylinder is installed in the bottom of portal frame, draws, presses another point of fixity to be arranged on the top of portal frame, forms tension and compression load test space; The reverse part is installed in a side of portal frame, this heel post bottom is installed and is reversed the reductor support plate, reversing the reductor assembly is installed on the back up pad, its output shaft forms the moved end of reversing, form the fixed end of reversing at column top even twisting moment sensor, form between moved end and the fixed end and reverse the load test space; The opposite side of framework is installed bending combination root flange and is used to install the bending composite member, and the loading position of test specimen links to each other with the oil cylinder piston bar, moves up and down the Study of Cyclic Loading of realization to the bending composite member by control oil cylinder piston bar; At portal frame installed inside Bending support, bending test beam two ends are installed in the Bending support, and the beam loading section links to each other with the oil cylinder piston bar, move up and down the Study of Cyclic Loading of realization to test beam by control oil cylinder piston bar.
2, multifunctional material mechanics testing machine as claimed in claim 1, it is characterized in that: described transducing part is provided with oil cylinder working-pressure sensor, oil cylinder piston bar displacement transducer, torque sensor and photoelectric encoder, be used for detecting respectively pulling force, pressure, the oil cylinder piston bar of oil cylinder output displacement, twisting test moment of torsion and reverse the corner of moving main shaft; The all the sensors out splice going splice focuses on a side of testing machine, uses for data acquisition equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031440088A CN100504343C (en) | 2003-07-25 | 2003-07-25 | Multifunctional testing machine for mechanics of materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031440088A CN100504343C (en) | 2003-07-25 | 2003-07-25 | Multifunctional testing machine for mechanics of materials |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1570593A CN1570593A (en) | 2005-01-26 |
| CN100504343C true CN100504343C (en) | 2009-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031440088A Expired - Fee Related CN100504343C (en) | 2003-07-25 | 2003-07-25 | Multifunctional testing machine for mechanics of materials |
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| Country | Link |
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| CN (1) | CN100504343C (en) |
Families Citing this family (17)
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| CN1945267B (en) * | 2006-10-20 | 2011-03-02 | 北京赛迪机电新技术开发公司 | Test machine for mechanism |
| CN100504342C (en) * | 2006-12-26 | 2009-06-24 | 杭州市汽车内饰件有限公司 | Detecting machine for automobile chair slide rail angle regulator strength and its detecting process |
| CN101144764B (en) * | 2007-09-11 | 2010-08-11 | 中北大学 | Dynamic and static mechanics integrated test platform |
| DE102008058369B3 (en) * | 2008-11-20 | 2010-04-08 | Helmut Fischer GmbH Institut für Elektronik und Messtechnik | Apparatus and method for measuring mechanical properties of materials |
| CN102012346B (en) * | 2010-12-29 | 2012-05-09 | 海盐管件制造有限公司 | Pipe joint separating force tester and testing method thereof |
| CN102735527A (en) * | 2011-04-12 | 2012-10-17 | 陈桂兰 | Novel hydraulic universal testing machine |
| CN102519794B (en) * | 2011-12-30 | 2014-03-26 | 中国科学院水生生物研究所 | Submerged plant material mechanics automatic testing method |
| CN103353392B (en) * | 2013-06-08 | 2016-06-22 | 浙江首航实业有限公司 | A kind of Automated condtrol torsional bending testing machine |
| CN105319135B (en) * | 2014-07-15 | 2017-10-20 | 辽东学院 | Crankling vibration experimental machine |
| CN104280295B (en) * | 2014-10-29 | 2017-01-11 | 哈尔滨工业大学 | Large-tonnage horizontal drawing testing machine for composite material plates |
| CN105806710A (en) * | 2016-05-20 | 2016-07-27 | 中国科学院地质与地球物理研究所 | Experimental instrument for rock mass tension and compression synergistic effect |
| CN106769421B (en) * | 2017-03-08 | 2023-04-28 | 盐城工学院 | Building materials deflection performance testing machine |
| CN107749221A (en) * | 2017-12-05 | 2018-03-02 | 陈尚松 | Member stress shows teaching aid |
| CN108895933B (en) * | 2018-09-10 | 2020-09-01 | 中煤科工集团淮北爆破技术研究院有限公司 | Detonator tensile strength detection device |
| CN110390861A (en) * | 2019-08-09 | 2019-10-29 | 桑田 | A kind of teacher's physical simulating device |
| CN111289362B (en) * | 2020-02-29 | 2022-10-14 | 浙江方圆检测集团股份有限公司 | Multifunctional testing machine for corrugated pipe |
| CN111413080A (en) * | 2020-04-17 | 2020-07-14 | 广州冠粤路桥检测有限公司 | Anti-dazzle board detection test device |
-
2003
- 2003-07-25 CN CNB031440088A patent/CN100504343C/en not_active Expired - Fee Related
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| CN1570593A (en) | 2005-01-26 |
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