CN1865903A - Pressing lever steady experimental device for electronic universal testing machine and pressing lever unstability sample - Google Patents

Pressing lever steady experimental device for electronic universal testing machine and pressing lever unstability sample Download PDF

Info

Publication number
CN1865903A
CN1865903A CN 200610013914 CN200610013914A CN1865903A CN 1865903 A CN1865903 A CN 1865903A CN 200610013914 CN200610013914 CN 200610013914 CN 200610013914 A CN200610013914 A CN 200610013914A CN 1865903 A CN1865903 A CN 1865903A
Authority
CN
China
Prior art keywords
depression bar
electronic universal
universal tester
floating holder
experimental provision
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.)
Granted
Application number
CN 200610013914
Other languages
Chinese (zh)
Other versions
CN100476396C (en
Inventor
徐家福
王忠保
富东慧
侯振德
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin University
Original Assignee
Tianjin University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tianjin University filed Critical Tianjin University
Priority to CNB2006100139147A priority Critical patent/CN100476396C/en
Publication of CN1865903A publication Critical patent/CN1865903A/en
Application granted granted Critical
Publication of CN100476396C publication Critical patent/CN100476396C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The disclosed compression member experiment device for universal electronic testing machine comprises: a top constraint unit with anti-rotation flange, a top press head part and a first active clamp; a middle constraint unit with a second active clamp fixed on base, a first reading scale and a adjusting device for clamp; and a lower constraint unit with a supporting member fixed on base, a second reading scale and a third active clamp. Wherein, all centers of three units are on one vertical line.

Description

The pressure bar stabilization experimental provision and the strut buckling sample that are used for electronic universal tester
Technical field
The present invention relates to a kind of strut buckling testing equipment, relate in particular to a kind of be used for measuring the pressure bar stabilization experimental provision of the multiple different constraint Critical Load of Compressed Bars of various materials and the strut buckling sample that matches with it.
Background technology
Most industry science institution of higher learning and research unit all use electronic universal tester, usually utilize this electronic universal tester that mechanical properties such as the stretching of various materials, compression, bending, shearing are tested, thereby accurately ergometry and displacement, but when on this electronic universal tester, carrying out the pressure bar stabilization experiment, when especially carrying out the pressure bar stabilization experiment of multiple different constraints, the surveying instrument that often needs configure dedicated, at present, also do not reach the strut buckling sample that matches with it with the pressure bar stabilization experiment measuring instrument of electronic universal tester coupling.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of pressure bar stabilization experimental provision and strut buckling sample that is used for electronic universal tester with low cost, simple to operate, widely used is provided.
In order to solve the problems of the technologies described above, the present invention is used for the technical scheme that the pressure bar stabilization experimental provision of electronic universal tester is achieved: be made of the upper, middle and lower constraint element, describedly go up constraint and singly show by the anti-rotation flange, seaming chuck parts and first floating holder that connect successively from top to bottom and form; Constraint element is made up of second floating holder, the first reading chi and the anchor clamps adjusting mechanism that are fixed on the base support plate in described, and the seam of described second floating holder is the some contact; Described constraint element down comprises depression bar support unit, the second reading chi and the 3rd floating holder composition that is separately fixed on the mobile mounting that is positioned on the base, and described the 3rd anchor clamps are made up of the left and right jaw piece that revolves bolt and cooperate with it that is distributed in two ends, the left and right sides; The reference center of three constraint elements in above-mentioned upper, middle and lower is on same perpendicular line.
The present invention is used for the pressure bar stabilization experimental provision of electronic universal tester, and wherein, the described anti-rotation flange of going up constraint element is connected with the ring flange of electronic universal tester by force transducer; The described firm banking plate of constraint element down is connected with the base of electronic universal tester.The bottom surface of described firm banking plate is provided with positioning table and anti-rotation locating piece.Described seaming chuck parts are formed by being positioned at the last free end platen that cooperates with T type groove below the seaming chuck, and described depression bar support unit is made up of depression bar bolster that is positioned at mobile mounting and the 3rd floating holder.Described seaming chuck parts are made up of the V-type briquetting that is arranged in seaming chuck below T type groove, and described depression bar support unit is made up of hinged V-block under the depression bar that is positioned at mobile mounting.Described seaming chuck parts are made up of the V-type briquetting and first floating holder that are arranged in seaming chuck below T type groove, and described depression bar support unit is made up of depression bar bolster that is positioned at mobile mounting and the 3rd floating holder.The described first reading chi is a vertical direction, and the described second reading chi is a horizontal direction.Described first, second is respectively arranged with clamping lever with the 3rd floating holder.
Technical scheme at the strut buckling sample in the pressure bar stabilization experimental provision that applies to above-mentioned electronic universal tester among the present invention is: an end of depression bar is a fixed support structure, and the other end of depression bar is fixed support structure or the hinged structure of blade or hinged structure of bearing or bearing free structure.
Another kind of technical scheme at the strut buckling sample in the pressure bar stabilization experimental provision that applies to above-mentioned electronic universal tester among the present invention is: the two ends of depression bar are respectively the hinged structure of blade.
Another technical scheme at the strut buckling sample in the pressure bar stabilization experimental provision that applies to above-mentioned electronic universal tester among the present invention is: the two ends of depression bar are respectively the hinged structure of bearing.
Compared with prior art, the invention has the beneficial effects as follows:
(1) structural design of the present invention is ingenious, annex is flexible and changeable, safety simple to operate, by selecting different restraint devices to cooperate with the depression bar of counter structure, can accurately measure the multiple different constraint Critical Load of Compressed Bars of various materials, can realize tens of kinds of experiment contents, these experiments have constituted the main contents of mechanics of materials strut buckling laboratory.And can test comparison repeatedly for the strut buckling samples of multiple different constraints, be beneficial to the student by test and understand and grasp the theoretical serial key concept of pressure bar stabilization.
(2) depression bar power value, sag are shown by computer digit, and reading is accurate, and the continuous change curve of power value and amount of deflection that can draw quantitatively, in real time, provide test condition intuitively in order to separate depression bar carrying and unstability.
(3) because experimental provision of the present invention need not increase extra surveying instrument, can directly use the original configuration of existing electronic universal tester.Therefore, development cost is lower, is beneficial to and applies.
Description of drawings
Fig. 1-the 1st, the present invention are used for the structural representation of the pressure bar stabilization experimental provision of electronic universal tester;
Fig. 1-2 be among Fig. 1-1 A to view;
Fig. 1-the 3rd, B is to view among Fig. 1-1;
Fig. 2-the 1st, the structural representation of last constraint element embodiment one among the present invention;
Fig. 2-the 2nd, the structural representation of following constraint element embodiment two among the present invention;
Fig. 2-the 3rd, the structural representation of following constraint element embodiment three among the present invention;
Fig. 3-the 1st adopts two views of two ends for solid strut buckling sample among the present invention;
Fig. 3-the 2nd, adopting two ends among the present invention is two views of the hinged strut buckling sample of blade;
Fig. 3-the 3rd, adopting two ends among the present invention is two views of the hinged strut buckling sample of bearing;
Fig. 3-the 4th, adopting an end among the present invention is that blade is hinged, the other end is two views of solid strut buckling sample;
Fig. 3-the 5th, adopting an end among the present invention is that bearing is hinged or be the bearing free end, the other end is for propping up two views of strut buckling sample admittedly.
Be the explanation of main Reference numeral in the Figure of description of the present invention below:
100---go up the following constraint element of constraint element 200---middle constraint element 300---
01---base plate 02-moved cross beam 03-photoelectric encoder
04-ball-screw 05-ring flange 06-force transducer
07-system controlled by computer and disposal system
The 1-firm banking plate 2-clamping screw 3-second reading chi
4-moves mounting 5-depression bar bolster
Fixedly left and right sides live splint 7,11,14-clamping lever under the 6-depression bar
The 8-base support plate 9-first reading chi 10-ambulatory splint
12-depression bar 13-ambulatory splint 15-V type briquetting
Free end device on the 16-seaming chuck 17-anti-rotation flange 18-depression bar
Admittedly prop up device under the last free end platen of the 18-1-18-2-depression bar bearing free end 19-depression bar
Hinged device under solid down end 19-2-depression bar of the 19-1-depression bar bolster 20-depression bar
Hinged V-type briquetting under the 20-1-depression bar hinge support 20-2-depression bar
Embodiment
Below in conjunction with accompanying drawing the present invention is done and to describe in further detail.
As Fig. 1-1, Fig. 1-2 and Fig. 1-3, the pressure bar stabilization experimental provision that the present invention is used for electronic universal tester is made of last constraint element 100, constraint element 200 and following constraint element 300, and the described constraint element 100 of going up is made up of the anti-rotation flange 17, seaming chuck parts and first floating holder that connect successively from top to bottom; Described anti-rotation flange 17 is connected with the ring flange 05 of electronic universal tester by force transducer; Constraint element 200 is made up of second floating holder, the first reading chi 9 and the anchor clamps adjusting mechanism that are fixed on the base support plate 8 in described, and the described first reading chi is a vertical direction, and the seam of described second floating holder is the some contact; Described anchor clamps adjusting mechanism and second floating holder assembling one is put into open slot above the base support plate 8 by the bolt of back, and adopts the bolt clamping and positioning.Described down constraint element 300 comprises and is separately fixed at the mobile mounting 4 that is positioned on the firm banking plate 1 (by base plate, the front and back riser, left and right sides riser formation) the depression bar support unit on, the second reading chi 3 and the 3rd floating holder are formed, described the 3rd anchor clamps are by a left side that is distributed in two ends, the left and right sides, dextrorotation bolt and the jaw piece that cooperates are with it formed, described firm banking plate 1 is connected with the base 01 of electronic universal tester, the bottom surface of described firm banking plate 1 is provided with positioning table 101 and anti-rotation locating piece 102, as Figure 1-3, described positioning table 101 cooperates with baseline positioning hole on the electronic universal tester base 01, utilize anti-rotation locating piece 102 to guarantee that the position of the 3rd floating holder seam on the firm banking plate 1 does not deflect, the described second reading chi 3 is a horizontal direction, the seam zero line centering of the zero line of the second reading chi 3 and the 3rd floating holder, the above-mentioned constraint element 100 of going up, the reference center of middle constraint element 200 and following constraint element 300 is on same perpendicular line.Described first, second is respectively arranged with clamping lever with the 3rd floating holder, described each clamping lever is by regulating the ambulatory splint 13,10 or 6 on the floating holder, can unclamp or clamp the constrained of depression bar, 14,11 clamping levers adopt bolt jackscrew structure, and 7 clamping levers adopt coupled depression bar bolster to revolve screw structure for left and right sides Luo.
With the strut buckling sample of the matching used multiple different constraints of pressure bar stabilization experimental provision of the present invention, can make it near desirable hinged, solid on the mechanics and free state.Press the way of restraint difference, each depression bar sample end construction at least can be just like Fig. 3-1 to 5 types shown in Fig. 3-5.The end that depression bar is promptly arranged is for propping up 19-1 admittedly, and its other end is for propping up hinged 20-1 of 20-1 or blade or the hinged 18-2 of bearing or bearing free end 18-2 admittedly; Also have the two ends of depression bar to be respectively the hinged 20-1 of blade; Or the two ends of depression bar are respectively the hinged 18-2 of bearing etc.The strut buckling sample can be made the template elongate rod with 65Mn or 60Si2Mn spring steel, and the cross section is a rectangle.
Structure difference according to institute's employing depression bar sample in the experiment, describedly go up selecting for use and the cooperatively interact composition of structure of corresponding sample of seaming chuck parts in the constraint element 100 and the depression bar support unit in the described constraint element 300 down, for example: when the depression bar sample adopts shown in Fig. 3-5, the one end is the bearing free end, when the other end is fixed support structure, the described seaming chuck parts of going up in the constraint element 100 are formed by being positioned at the last free end platen 18-1 that seaming chuck 16 belows and T type groove be connected, shown in Fig. 2-1; Depression bar support unit in the described down constraint element 300 by under the depression bar bolster 19-2 that is positioned at mobile mounting 4, the depression bar fixedly left and right sides ambulatory splint 6 and clamping lever 7 form, shown in Fig. 2-2.And for example: when the depression bar sample adopts shown in Fig. 3-2, when promptly the depression bar two ends are the hinged structure of blade, describedly go up seaming chuck parts in the constraint element 100 by forming, as shown in Fig. 1-1 by the V-type briquetting 15 that is arranged in seaming chuck below T type groove; Depression bar support unit in the described constraint element 300 down is made up of hinged V-block 20-2 under the depression bar that is positioned at mobile mounting 4, shown in Fig. 2-3.For another example: when the depression bar sample adopts as shown in Figure 3-4, the one end is that blade is hinged, and when the other end was fixed support structure, the described seaming chuck parts of going up in the constraint element 100 were made up of the V-type briquetting 15 that is arranged in seaming chuck below T type groove, as shown in Fig. 1-1; Depression bar support unit in the described down constraint element 300 by under the depression bar bolster 19-2 that is positioned at mobile mounting 4, the depression bar fixedly left and right sides ambulatory splint 6 and clamping lever 7 form, shown in Fig. 2-2.By that analogy, according to the different structure in different depression bar samples both ends, and by move the mobile mounting 4 in the constraint element 300 down and adjust in the eccentric position of the second floating holder seam in the constraint element 200, uses pressure bar stabilization experimental provision of the present invention can carry out depression bar vertically with one heart constraint or eccentric constraint and in the middle of the depression bar or the strut buckling that on any position, centre, does not retrain test.
If utilize pressure bar stabilization experimental provision of the present invention to carry out the unstability experiment of the eccentric constraint of depression bar, can make the seam skew of the 3rd floating holder by the mobile mounting 4 in the constraint element 300 under moving, concrete side-play amount can be controlled by the second reading chi and the 3rd floating holder seam zero line, and the position of the second floating holder seam on the middle constraint element can be controlled by clamping lever 11.In addition, in experimentation, the upper-lower position of the second floating holder seam in the constraint element 200 in can also adjusting as required, go up or the particular location of skew down can align with scale on the first reading chi by the height zero line of second floating holder, control by anchor clamps adjusting mechanism upper and lower moving in the open slot on base support plate 8.
As Figure 1-1, for the strut buckling sample to above-mentioned multiple different constraints experimentizes, if all is that the strut buckling sample of bearing hinged constraint is when experimentizing with pressure bar stabilization experimental provision of the present invention to two ends, described seaming chuck parts are made up of the V-type briquetting 15 that is arranged in seaming chuck 16 below T type grooves, and described depression bar support unit is made up of hinged V-block 20-2 under the depression bar that is positioned at mobile mounting 4.If all is when a strut buckling sample that retrains experimentizes admittedly with pressure bar stabilization experimental provision of the present invention to two ends, described seaming chuck parts are by fixedly left and right sides ambulatory splint 13 and clamping lever 14 are formed on the V-type briquetting 15 that is arranged in seaming chuck 16 below T type grooves, the depression bar, depression bar support unit in the described down constraint element 300 is by the depression bar bolster 19-2 that is positioned at mobile mounting 4, fixedly left and right sides ambulatory splint 6 and clamping lever 7 compositions under the depression bar.Experiment for different the way of restraint can be finished by changing constraint type and constrained.Depression bar reinforcing, the power of unloading are descended or rise and realize by moved cross beam 02.
The preferred forms of pressure bar stabilization experimental provision of the present invention is implemented with reference to Fig. 1-1.At first, with the seaming chuck in the constraint element 100 on the pressure bar stabilization experimental provision 16, the anti-rotation flange 17 that prevents seaming chuck 16 rotations is connected with the force transducer 06 of electronic universal experimental machine, to be connected with the baseline positioning hole of the moved cross beam 02 of experimental machine with force transducer 06 flange connecting dish 05, it is coaxial relation that above-mentioned each position component is closed again.Left and right sides ambulatory splint 13 and seaming chuck 16 assemblings as first fixing on the depression bar 12 floating holder, clamping lever 14 is connected with the ambulatory splint 13 on floating holder right side, be positioned at the T type groove assembling of hinged V-type briquetting 15 with the seaming chuck 16 of depression bar 12 upper ends, in order to guarantee the first floating holder different depression bar of clamping thickness reliably, left side ambulatory splint 13 is provided with the horizontal position adjustment groove, fasten by the ambulatory splint 13 of the screw in the groove, shown in Fig. 1-2 the left side.
Then, middle constraint element 200 is connected with the bedplate 01 of electronic universal tester by centre constraint base support plate 8, the first reading chi 9 is fixed on the front that is positioned at base support plate 8 left sides, constraint in the middle of on can any mobile depression bar 12, the bolt of the second floating holder back is put into the open slot above the base support plate 8, and bolt clamped, promptly, second floating holder is that to be with the open slots above the base support plate 8 that slideway is done mobile, thereby can realize the enterprising row constraint in any position in the centre in the middle of the depression bar 12 or not.Clamping lever 11 on second floating holder is connected with the ambulatory splint 10 on the second floating holder right side.
At last, adjust the following constraint of depression bar 12, following constraint element 300 is coaxial after being connected by firm banking plate 1 and electronic universal tester bedplate 01 center positioning hole, clamping screw 2 is connected with the screw of firm banking plate 1 front, the second reading chi 3 is fixed on the center of going up the flange upper surface before the firm banking plate 1, and promptly the zero line of the second reading chi aligns with the seam zero-bit of the 3rd floating holder.Mobile mounting 4 cooperates with the concave surface of firm banking plate 1, but and move left and right, mobile mounting 4 and firm banking plate 1 are by clamping screw 2 clamping engagement, depression bar bolster 5 is a left side, right-hand screw leading screw and mobile mounting 4 are (by base plate, the front and back riser, left and right sides riser formation) left and right sides riser center pit assembling, the fixing left side of left and right sides ambulatory splint 6 and depression bar bolster 5 under the depression bar, the assembling of right-hand screw leading screw, clamping lever 7 and the 5 right side projecting shafts assemblings of depression bar bolster, hinged V-type briquetting 20-2 puts into and cooperates on the left and right sides clamping plate 6 of the front and back riser of mobile mounting 4 and the 3rd floating holder and clamped by clamping lever 7 under the depression bar.By selecting different restraint devices and move removable mounting 4, below depression bar can be realized solid down, hinged, vertically with one heart and the experiment of the unstability of eccentric constraint down.
Embodiment: describe the course of work of utilizing pressure bar stabilization experimental provision of the present invention to carry out the strut buckling experiment below in conjunction with specific embodiment in detail.
Implementation condition: adopt two fixed ends strut buckling sample, anchor clamps are to constraint in the middle of the sample, two fixed ends constraint and concentric.
Its embodiment is: as Figure 1-1, mobile mounting 4 makes its center line align with the zero point of the second reading chi 3 above the firm banking plate 1 below moving, and grips tight screw 2 and makes firm banking plate 1 and mobile mounting 4 clamping engagement.The following of two fixed ends strut buckling sample 12 put on the bolster 5 along plate central opening groove, blade and last hinged V-type briquetting 15 pressings do not stress and (can adjust depression bar axis and pressure right alignment automatically after blade and the pressing of last hinged V-type briquetting above the sample above the depression bar 12, sample lower aperture circular groove and supporting support axle are that sphere cooperates and gets final product on the automatic capturing, the lower surface is parallel), grip tight handle 7, left and right sides ambulatory splint 6 samples below depression bar 12 are clamped form solid, fixedly the left side clamping plate and the sample upper left side face of left and right sides ambulatory splint 13 are close on the promotion depression bar, by sunk screw that the left side clamping plate are fixing tightly shown in Fig. 1-2 again, grip tight handle 14 and promote the ambulatory splint 13 on the first floating holder right side and clamp with samples above the depression bar 12 and form solid.Second floating holder in the middle of the mobile depression bar, make its left side center line aim at zero point on the first reading chi 9, again second floating holder left side clamping plate 10 are close to sample, by bolt that second floating holder and base support plate 8 is fixing tight, the ambulatory splint 10 that grips the tight handle 11 promotions second floating holder right side clamps sample.
According to said process the depression bar sample can be installed, can finish by changing constraint type and constrained for the experiment of different the way of restraint.Depression bar reinforcing, the power of unloading are descended and rise and realize by moved cross beam.
Through said process to the sample reinforcing after, the original force transducer 06 that is installed in moved cross beam 02 bottom of applying electronic universal testing machine is experienced depression bar 12 and is subjected to compressive load and converts electric signal to send into system controlled by computer and disposal system 07, shows load and automatic mapping printing by computer digit.Meanwhile, the high-performance optical photoelectric coder 03 of original measurement moved cross beam 02 displacement of applying electronic universal testing machine is experienced the perpendicular displacement of depression bar 12 as the position feedback element, it is to send the electric signal that is directly proportional with moved cross beam 02 displacement by ball-screw 04 drive pulse producer to send into system controlled by computer and disposal system 07, show crosshead displacement (crosshead displacement is equivalent to the depression bar sag) and automatic mapping printing by computer digit, thereby test out stressing conditions and the sag that loads the back sample.
In sum, after the pressure bar stabilization experimental provision is installed on electronic universal tester, formed a modern electronic type strut buckling testing machine.It can accurately measure the Critical Load of Compressed Bars of the multiple different constraints of various materials, depression bar power value, sag are shown by computer digit, and the continuous change curve of power value and amount of deflection that can draw quantitatively, in real time, be institution of higher learning, big, the desirable experimental provision that uses of special secondary school's upperpush rod unstability laboratory.
Although in conjunction with the accompanying drawings the preferred embodiments of the present invention are described above; but the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment only is schematic; rather than it is restrictive; those of ordinary skill in the art is under enlightenment of the present invention; not breaking away under the scope situation that aim of the present invention and claim protect, can also make a lot of forms, these all belong within the protection of the present invention.

Claims (10)

1. a pressure bar stabilization experimental provision that is used for electronic universal tester is made of the upper, middle and lower constraint element, it is characterized in that, the described constraint element of going up is made up of the anti-rotation flange, seaming chuck parts and first floating holder that connect successively from top to bottom; Constraint element is made up of second floating holder, the first reading chi and the anchor clamps adjusting mechanism that are separately fixed on the base support plate in described, and the seam of described second floating holder is the some contact; Described constraint element down comprises depression bar support unit, the second reading chi and the 3rd floating holder composition that is separately fixed on the mobile mounting that is positioned on the base, and described the 3rd anchor clamps are made up of the left and right jaw piece that revolves bolt and cooperate with it that is distributed in two ends, the left and right sides; The reference center of three constraint elements in above-mentioned upper, middle and lower is on same perpendicular line.
2. according to the described pressure bar stabilization experimental provision that is used for electronic universal tester of claim 1, wherein, the described anti-rotation flange of going up constraint element is connected with the ring flange of electronic universal tester by force transducer.
3. according to the described pressure bar stabilization experimental provision that is used for electronic universal tester of claim 1, wherein, the bottom surface of the firm banking plate of described down constraint element is provided with positioning table and anti-rotation locating piece, and described positioning table cooperates with baseline positioning hole on the electronic universal tester base.
4. according to the described pressure bar stabilization experimental provision that is used for electronic universal tester of claim 1, wherein, described seaming chuck parts are formed by being positioned at the last free end platen that cooperates with T type groove below the seaming chuck, and described depression bar support unit is made up of depression bar bolster that is positioned at mobile mounting and the 3rd floating holder.
5. according to the described pressure bar stabilization experimental provision that is used for electronic universal tester of claim 1, wherein, described seaming chuck parts are made up of the V-type briquetting that is arranged in seaming chuck below T type groove, and described depression bar support unit is made up of hinged V-block under the depression bar that is positioned at mobile mounting.
6. according to the claim 1 described pressure bar stabilization experimental provision that is used for electronic universal tester, wherein, described seaming chuck parts are made up of the V-type briquetting and first floating holder that are arranged in seaming chuck below T type groove, and described depression bar support unit is made up of depression bar bolster that is positioned at mobile mounting and the 3rd floating holder.
7. according to the described pressure bar stabilization experimental provision that is used for electronic universal tester of claim 1, wherein, the described first reading chi is a vertical direction, and the described second reading chi is a horizontal direction.
8. according to the described pressure bar stabilization experimental provision that is used for electronic universal tester of claim 1, wherein, described first, second is respectively arranged with clamping lever with the 3rd floating holder.
9. a strut buckling sample is characterized in that, an end of depression bar is a fixed support structure, and the other end of depression bar is fixed support structure or the hinged structure of blade or hinged structure of bearing or bearing free structure.
10. a strut buckling sample is characterized in that, the two ends of depression bar are respectively the hinged structure of blade; Or the two ends of depression bar are respectively the hinged structure of bearing.
CNB2006100139147A 2006-05-29 2006-05-29 Pressing lever steady experimental device for electronic universal testing machine Expired - Fee Related CN100476396C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2006100139147A CN100476396C (en) 2006-05-29 2006-05-29 Pressing lever steady experimental device for electronic universal testing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2006100139147A CN100476396C (en) 2006-05-29 2006-05-29 Pressing lever steady experimental device for electronic universal testing machine

Publications (2)

Publication Number Publication Date
CN1865903A true CN1865903A (en) 2006-11-22
CN100476396C CN100476396C (en) 2009-04-08

Family

ID=37424982

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2006100139147A Expired - Fee Related CN100476396C (en) 2006-05-29 2006-05-29 Pressing lever steady experimental device for electronic universal testing machine

Country Status (1)

Country Link
CN (1) CN100476396C (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102944472A (en) * 2012-11-14 2013-02-27 南京理工大学 Device and method for measuring axial static rigidity of ball screw pair
CN102980389A (en) * 2011-09-02 2013-03-20 中国科学院理化技术研究所 Micron-sized measurement and control vacuum hot-pressing sintering furnace system
CN105510139A (en) * 2015-12-01 2016-04-20 天津大学 Dynamic pressure bar stability experiment device for electro-hydraulic servo tester
CN106289731A (en) * 2015-05-12 2017-01-04 中国石油化工股份有限公司 A kind of assay device for cementing tool and test method thereof
CN110987597A (en) * 2019-12-30 2020-04-10 广东火炬检测有限公司 Universal material testing machine
CN112816327A (en) * 2021-02-03 2021-05-18 济南恒瑞金试验机有限公司 Tensile and compressive testing machine and testing method for structural wood laminated wood

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102980389A (en) * 2011-09-02 2013-03-20 中国科学院理化技术研究所 Micron-sized measurement and control vacuum hot-pressing sintering furnace system
CN102944472A (en) * 2012-11-14 2013-02-27 南京理工大学 Device and method for measuring axial static rigidity of ball screw pair
CN102944472B (en) * 2012-11-14 2014-11-12 南京理工大学 Device and method for measuring axial static rigidity of ball screw pair
CN106289731A (en) * 2015-05-12 2017-01-04 中国石油化工股份有限公司 A kind of assay device for cementing tool and test method thereof
CN105510139A (en) * 2015-12-01 2016-04-20 天津大学 Dynamic pressure bar stability experiment device for electro-hydraulic servo tester
CN110987597A (en) * 2019-12-30 2020-04-10 广东火炬检测有限公司 Universal material testing machine
CN112816327A (en) * 2021-02-03 2021-05-18 济南恒瑞金试验机有限公司 Tensile and compressive testing machine and testing method for structural wood laminated wood

Also Published As

Publication number Publication date
CN100476396C (en) 2009-04-08

Similar Documents

Publication Publication Date Title
CN102359912B (en) Mechanical testing platform for in-situ tension/compression materials under scanning electronic microscope based on quasi-static loading
CN1865903A (en) Pressing lever steady experimental device for electronic universal testing machine and pressing lever unstability sample
CN103487315B (en) A kind of material mechanical performance proving installation
CN103353431B (en) In-situ indentation mechanical testing device based on tensile compression and fatigue combined load mode
CN103308404A (en) In-situ nano-indentation tester based on adjustable stretching-bending preload
CN2856976Y (en) Testing tool for push-pull force
CN103969118B (en) A kind of advanced composite material (ACM) non-notch compression test fixture
CN105067431B (en) Tensile shear preloads impression test device and method in situ
CN108760548B (en) Double-stroke hybrid driving micro-nano indentation/scratch testing device
CN2831044Y (en) Integrated error electronic test board for ceramic tile
CN105928785A (en) Metal plate pulling-pressing experiment device in pure mechanical structure form
CN202256050U (en) In-situ stretch/compression material mechanical test platform based on quasi-static loaded scanning electron microscope
CN1632510A (en) Direct shear test machine for rock
CN111751217A (en) Horizontal concrete uniaxial tensile test device and use method thereof
CN106996897B (en) Neutron diffraction height Wen Cejiao instrument and special mechanical loading device thereof
CN205981862U (en) Tensile nanometer indentation testing arrangement under four -point bending pre -loading
CN203337492U (en) In-situ nanoindentation tester based on adjustable stretching-bending pre-load
CN205015236U (en) Compound load normal position nanometer indentation testing arrangement of drawing - bending
CN111060415A (en) In-situ indentation testing device and method considering deformation of force sensor
CN101776554A (en) Electro-hydraulic servo control electroporcelain bending-torsion testing machine
CN112748000B (en) Multi-axis testing machine and testing method for testing performance of carbon fiber composite material
CN201107232Y (en) Stretching transverse beam of hydraulic universal testing machine
CN113776958B (en) Roller bending device for bending test
CN113155619B (en) Quasi-static in-situ biaxial stretching mechanical property testing device under scanning electron microscope
CN210626206U (en) Tension-torsion composite extensometer suitable for plate-shaped sample

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090408

Termination date: 20120529