CN103278403A - Composite core rod torsion tester - Google Patents
Composite core rod torsion tester Download PDFInfo
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- CN103278403A CN103278403A CN2013101691445A CN201310169144A CN103278403A CN 103278403 A CN103278403 A CN 103278403A CN 2013101691445 A CN2013101691445 A CN 2013101691445A CN 201310169144 A CN201310169144 A CN 201310169144A CN 103278403 A CN103278403 A CN 103278403A
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- core rod
- composite core
- inner cone
- reductor
- cone chuck
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Abstract
The invention provides a composite core rod torsion tester. The tester comprises a workbench, a power system, a front clamping component, a rear clamping component and a tension mechanism. When the tester is used for testing, a sample core rod is used for clamping and positioning by utilizing the taper through the front and rear clamping components, so that the clamping acts stably and reliably, and cannot destroy the core rod. The whole equipment is compact in structure, concise, economical and practical, and is convenient to operate, so that a convenient and reliable testing means is provided for detecting the torsion performance of a core rod.
Description
Technical field
The invention belongs to the Material Testing Machine technical field, be specifically related to a kind of composite core rod torsion testing machine, utilize a kind of simple device that the antitorque commentaries on classics performance of composite core rod is carried out test evaluation.
Background technology
At present, along with the high speed development of power industry, make that the application of NEW TYPE OF COMPOSITE core cable is extremely urgent, and the torsional loading performance of composite core rod has become the important indicator of evaluation composite core cable quality.And composite core rod torsion testing machine in the market exists some to be not so good as the place of people's will: or transmission of power is by gear, chain, mechanism's bulky complex; Or installation way employing chuck, the clamping area is little, and clamping force is little to can't clip, and can skid, and the sample plug can rotate or axial slip, and clamping force is big can damage the sample plug, makes the sample plug just impaired before not beginning test, has reduced the accuracy of testing; Or be subjected to the device structure restriction can only the short sample of testing length, be difficult to satisfy the testing requirement of products of different specifications.In a word, therefore the torsion testing machine of Cun Zaiing is difficult to satisfy the extensive twisting test of composite core rod in the market, presses for a kind of sample simple in structure, that clamping sample effect is not only good but also reliable, length can satisfy multiple plug specification and detects demand, easy to operate and novel torsion testing machine that cost is low.
" composite core rod " mentioned in the present specification and claims refers to the abbreviation of " fiber-reinforced resin matrix compound material plug ".
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide that the sample that a kind of simple in structure, clamping sample effect is not only good but also reliable, length can satisfy multiple plug specification detects demand, NEW TYPE OF COMPOSITE plug easy to operate and that cost is low reverses testing apparatus.
Composite core rod torsion testing machine of the present invention comprises worktable 1, power system, the front clamp assembly, back clamp assemblies and strainer, power system, the front clamp assembly, back clamp assemblies and strainer all are fixed on the worktable 1, the sample plug 10 of composite core rod is clamped between front clamp assembly and the back clamp assemblies, power system drives the rotation of front clamp assembly, strainer is connected in the back clamp assemblies so that composite core rod is stretching, the front clamp assembly comprises plug 6, preceding inner cone chuck 7, spring sandwich 8 and fore-stock 9, before inner cone chuck 7 be installed on the fore-stock 9 and fore-stock 9 restriction before inner cone chuck 7 can not rectilinear motion but free to rotate, back grasping system comprises spring sandwich 8, after-poppet 12, back inner cone chuck 13 and gripping sleeve 14 and be bearing on the V-block 16, back inner cone chuck 13 is installed on the after-poppet 12 and after-poppet 12 restriction back inner cone chucks 13 can not rotatablely move but can before and after straight line move, it is characterized in that, preceding inner cone chuck 7 and spring sandwich 8 clamp sample plug 10 by taper fit, plug 6 and preceding inner cone chuck 7 come holddown spring sandwich 8 by threaded engagement, back inner cone chuck 13 clamps sample plug 10 with spring sandwich 8 by taper fit, and gripping sleeve 14 and back inner cone chuck 13 come holddown spring sandwich 8 by threaded engagement.During work, in the spring sandwich 8 before the front end of sample plug 10 stretched in the inner cone chuck 7, rotate plug 6 and come holddown spring sandwich 8, thereby the front end of sample plug 10 is clamped in spring sandwich 8.Similarly, the rear end of sample plug 10 is stretched in the spring sandwich 8 in the back inner cone chuck 13, rotated gripping sleeve 14 and come holddown spring sandwich 8, thereby the rear end of sample plug 10 is clamped in spring sandwich 8.Owing to adopted the spring sandwich, clamp the sample plug with taper fit, increased the clamping area greatly, can not damage the sample plug even increase clamping force yet, and clamp effectively, reliable clamping has solved the defective when clamping the sample plug with chuck.
Power system in composite core rod torsion testing machine of the present invention can adopt various ways, but the power system that adopts in the preferred composite core rod torsion testing machine of the present invention comprises reductor 2 and coupling sleeve 5, coupling sleeve 5 connects by key 3 with the output shaft of reductor 2, and can slide along the output shaft of reductor 2, coupling sleeve 5 is sold 4 with the preceding inner cone chuck 7 in the front clamp assembly by two and is connected.Wherein reductor 2 is small combined reductors of lightweight big retarding ratio, and in this reductor, the motor and speed reducer structure is made of one.Owing to adopt the reductor of this combined type big retarding ratio, settle at one go, directly export required rotating speed, saved other mechanical transmission mechanism, it is succinct light and handy that complete machine seems.
Strainer in the composite core rod torsion testing machine of the present invention also can adopt various ways, but the strainer that adopts in the preferred composite core rod torsion testing machine of the present invention comprises rope 17, pulley assembly 18 and counterweight 19, one end of rope 17 is fixed on the gripping sleeve 14 with pin 15 by stationary rope, and the other end passes pulley assembly 18 and connects with counterweight 19.This strainer is simple and reliable for structure, is convenient to regulate, and is more flexible in the use.
For the sample of adaptive testing different length, preferably be provided with some groups at worktable 1 and be used for the fixedly pilot hole of after-poppet 12.Under the sample plug of different length, after-poppet 12 can be fixed on diverse location on pilot hole.For example according to testing standard, the length of sample composite core rod is relevant with diameter of mandrel, and when that is to say the plug of test diameter 5mm and 10mm, testing length differs 1 times.
The various components of machine of composite core rod torsion testing machine of the present invention all are installed on the worktable 1; make the equipment globality strengthen; also the button that is used for main story, counter-rotating and the shutdown of control reductor 2 can be installed in worktable 1 simultaneously, to improve the operability of equipment.
In addition, reductor 2, front clamp assembly, back clamp assemblies and pulley assembly 18 all are fixed on the worktable 1 by bolt 11.The advantage of bolt is, is convenient to field-strip, and part exchanging is easy, cost easy for installation is low, flexibly and intensity high and stable, for example as indicated above in the time need regulating the position of after-poppet 12 according to specimen length, utilize bolt obviously more convenient, also more stable after the installation.
Beneficial effect:
The present invention is than prior art, owing to adopted the spring sandwich to utilize taper fit to clamp the sample plug, thereby clamping device is unique reliable.And power system of the present invention and strainer are more simple and reliable in structure.
Composite core rod torsion testing machine of the present invention is provided with several groups of pilot holes at the after-poppet place, can be as required with after be clamped to corresponding position, thereby length direction can regulate, and widened test specification.
Composite core rod torsion testing machine of the present invention meets every requirement of experiment, have characteristics such as easy to operate, with low cost, test accuracy height, efficient height, for composite core rod provides the detection means of science, for the quality of evaluation composite core cable performance provides foundation.
Description of drawings
Fig. 1 is the one-piece construction synoptic diagram of composite core rod torsion testing machine of the present invention.
Fig. 2 is the structural representation of the forward and backward clamp assemblies of composite core rod torsion testing machine of the present invention.
Among the figure: the 1-worktable; The 2-reductor; The 3-key; The 4-pin; The 5-coupling sleeve; The 6-plug; Inner cone chuck before the 7-; 8-spring sandwich; The 9-fore-stock; 10-sample plug; The 11-bolt; The 12-after-poppet; Inner cone chuck behind the 13-; The 14-gripping sleeve; 15-stationary rope pin; 16-V type piece; The 17-rope; The 18-pulley assembly; The 19-counterweight.
Embodiment
Further specify the present invention below in conjunction with accompanying drawing.
Referring to Fig. 1, the reductor 2 of composite core rod torsion testing machine of the present invention, front clamp assembly, back clamp assemblies and pulley assembly 18 connect by bolt 11 with worktable 1; Reductor 2 and front clamp assembly connect by coupling sleeve 5; Back clamp assemblies connects by pulley assembly 18 usefulness ropes 17 with counterweight 19; Sample plug 10 obtains to clamp and the location by front clamp assembly and back clamp assemblies; V-block 16 supporting back clamp assemblies.
As shown in Figure 2, begin to do the composite core rod twisting test before, determine that earlier power supply is in off-state; According to the plug of diameter intercepting respective length, clamp in the spring sandwich 8 in preceding inner cone chuck 7 and back inner cone chuck 13 as mentioned before then; Put into fore-stock 9 and after-poppet 12 respectively and fix, with V-block 16 pads gripping sleeve 14 below as supporting; Coupling sleeve 5 on the slip deceleration arbor makes it to join with preceding inner cone chuck 7 and contacts, and inserts attachment pegs 4 after aiming at two pin-and-holes; Stretch in gripping sleeve 14 with an end of rope 17 tensioning and insert stationary rope and fix with pin 15, the other end of rope is connected with counterweight 19 by the back from pulley assembly 18, make sample plug 10 stretching under the gravity of counterweight.Connect reductor 2 power supplys, load twisting test, according to the requirement of testing standard, select suitable the reverse number of turns and retention time.Stop reductor and rotate, record experimental phenomena and data, reversing plug resets the reductor counter-rotating.
Above-mentioned composite core rod clamp assembly is the novel stationary fixture of independent research, and anchoring effect is splendid, has increased measuring accuracy greatly.
Should be appreciated that in addition though the present invention is with composite core rod as an illustration, stationary fixture of the present invention can also be used for other cable, for example the composite core cable reverses test.
Should be appreciated that; above-described embodiment only is preferred embodiment of the present invention; be not to limit protection scope of the present invention according to this; protection scope of the present invention is limited by claims only; thereby: all equivalences of doing according to structure of the present invention, shape, principle change, and all are covered by within protection scope of the present invention.
By reference to the accompanying drawings embodiments of the present invention have been done detailed explanation above, but the invention is not restricted to above-mentioned embodiment, in the ken that affiliated technical field those of ordinary skill possesses, can also under the prerequisite that does not break away from aim of the present invention, make a variety of changes.
Claims (7)
1. composite core rod torsion testing machine, comprise worktable (1), power system, the front clamp assembly, back clamp assemblies and strainer, power system, the front clamp assembly, back clamp assemblies and strainer all are fixed on the worktable (1), the sample plug (10) of composite core rod is clamped between front clamp assembly and the back clamp assemblies, power system drives the rotation of front clamp assembly, strainer is connected in the back clamp assemblies so that composite core rod is stretching, the front clamp assembly comprises plug (6), preceding inner cone chuck (7), spring sandwich (8) and fore-stock (9), before inner cone chuck (7) be installed in that fore-stock (9) is gone up and fore-stock (9) restriction before inner cone chuck (7) can not rectilinear motion but free to rotate, back grasping system comprises spring sandwich (8), after-poppet (12), back inner cone chuck (13) and gripping sleeve (14) and be bearing on the V-block (16), back inner cone chuck (13) be installed in that after-poppet (12) is gone up and after-poppet (12) restriction back inner cone chuck (13) can not rotatablely move but can before and after straight line move, it is characterized in that, preceding inner cone chuck (7) and spring sandwich (8) clamp sample plug (10) by taper fit, plug (6) and preceding inner cone chuck (7) come holddown spring sandwich (8) by threaded engagement, back inner cone chuck (13) clamps sample plug (10) with spring sandwich (8) by taper fit, and gripping sleeve (14) and back inner cone chuck (13) come holddown spring sandwich (8) by threaded engagement.
2. composite core rod torsion testing machine according to claim 1, it is characterized in that, power system comprises reductor (2) and coupling sleeve (5), coupling sleeve (5) connects by key (3) with the output shaft of reductor (2), and can slide along the output shaft of reductor (2), coupling sleeve (5) connects by two pins (4) with preceding inner cone chuck (7) in the front clamp assembly.
3. composite core rod torsion testing machine according to claim 2 is characterized in that, reductor (2) is the small combined reductor of lightweight big retarding ratio, and wherein the motor and speed reducer structure is made of one.
4. according to each described composite core rod torsion testing machine in the claim 1 to 3, it is characterized in that, strainer comprises rope (17), pulley assembly (18) and counterweight (19), one end of rope (17) is fixed on the gripping sleeve (14) with pin (15) by stationary rope, and the other end passes pulley assembly (18) and connects with counterweight (19).
5. as each described composite core rod torsion testing machine in the claim 1 to 3, it is characterized in that, be provided with some groups at worktable (1) and be used for the fixedly pilot hole of after-poppet (12).
6. as each described composite core rod torsion testing machine in the claim 1 to 3, it is characterized in that, at worktable (1) the button of main story, counter-rotating and shutdown for control reductor (2) is installed.
7. composite core rod torsion testing machine as claimed in claim 4 is characterized in that, reductor (2), front clamp assembly, back clamp assemblies and pulley assembly (18) all pass through bolt (11) and be fixed on the worktable (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101691445A CN103278403A (en) | 2013-05-09 | 2013-05-09 | Composite core rod torsion tester |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101691445A CN103278403A (en) | 2013-05-09 | 2013-05-09 | Composite core rod torsion tester |
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| CN103278403A true CN103278403A (en) | 2013-09-04 |
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| CN2013101691445A Pending CN103278403A (en) | 2013-05-09 | 2013-05-09 | Composite core rod torsion tester |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103954498A (en) * | 2014-05-23 | 2014-07-30 | 天润曲轴股份有限公司 | Clamping device for bent axle fatigue test |
| CN104316417A (en) * | 2014-10-29 | 2015-01-28 | 国家电网公司 | Torsion testing device of fiber reinforced composite material |
| CN104634561A (en) * | 2015-02-04 | 2015-05-20 | 苏州中太动力弹簧有限公司 | Spring torsion testing machine |
| CN104897483A (en) * | 2015-07-02 | 2015-09-09 | 中天合金技术有限公司 | Copper alloy through grounding wire bending property tester |
| CN105445123A (en) * | 2015-11-13 | 2016-03-30 | 宁波星箭航天机械有限公司 | Twist test device for high-pressure rubber hose |
| CN107328656A (en) * | 2017-05-22 | 2017-11-07 | 浙江大学宁波理工学院 | A kind of test device tested for umbilical cables multinomial performance |
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| CN201364312Y (en) * | 2009-03-18 | 2009-12-16 | 福州灵点光学仪器有限公司 | Locking mechanism of endoscope shaping pipe |
| CN201408151Y (en) * | 2009-09-28 | 2010-02-17 | 郑州仕佳通信科技有限公司 | Torsion test equipment of indoor optical cable |
| CN201653825U (en) * | 2010-05-14 | 2010-11-24 | 吴忠同力材料试验机有限公司 | Wire torque tester |
| CN102435511A (en) * | 2011-09-06 | 2012-05-02 | 浙江大学 | Straw torque measurement device |
| CN202351138U (en) * | 2011-02-22 | 2012-07-25 | 贺明志 | Naked wire torsion test device |
| CN203259428U (en) * | 2013-05-09 | 2013-10-30 | 江苏恒神纤维材料有限公司 | Composite mandril torsion testing machine |
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2013
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201364312Y (en) * | 2009-03-18 | 2009-12-16 | 福州灵点光学仪器有限公司 | Locking mechanism of endoscope shaping pipe |
| CN201408151Y (en) * | 2009-09-28 | 2010-02-17 | 郑州仕佳通信科技有限公司 | Torsion test equipment of indoor optical cable |
| CN201653825U (en) * | 2010-05-14 | 2010-11-24 | 吴忠同力材料试验机有限公司 | Wire torque tester |
| CN202351138U (en) * | 2011-02-22 | 2012-07-25 | 贺明志 | Naked wire torsion test device |
| CN102435511A (en) * | 2011-09-06 | 2012-05-02 | 浙江大学 | Straw torque measurement device |
| CN203259428U (en) * | 2013-05-09 | 2013-10-30 | 江苏恒神纤维材料有限公司 | Composite mandril torsion testing machine |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103954498A (en) * | 2014-05-23 | 2014-07-30 | 天润曲轴股份有限公司 | Clamping device for bent axle fatigue test |
| CN104316417A (en) * | 2014-10-29 | 2015-01-28 | 国家电网公司 | Torsion testing device of fiber reinforced composite material |
| CN104634561A (en) * | 2015-02-04 | 2015-05-20 | 苏州中太动力弹簧有限公司 | Spring torsion testing machine |
| CN104897483A (en) * | 2015-07-02 | 2015-09-09 | 中天合金技术有限公司 | Copper alloy through grounding wire bending property tester |
| CN104897483B (en) * | 2015-07-02 | 2017-05-31 | 中天合金技术有限公司 | The experimental rig of one Albatra metal Through ground wire bending property |
| CN105445123A (en) * | 2015-11-13 | 2016-03-30 | 宁波星箭航天机械有限公司 | Twist test device for high-pressure rubber hose |
| CN105445123B (en) * | 2015-11-13 | 2017-11-17 | 宁波星箭航天机械有限公司 | Distortion testing device for high-pressure rubber pipe |
| CN107328656A (en) * | 2017-05-22 | 2017-11-07 | 浙江大学宁波理工学院 | A kind of test device tested for umbilical cables multinomial performance |
| CN107328656B (en) * | 2017-05-22 | 2020-01-07 | 浙江大学宁波理工学院 | A testing arrangement for multinomial capability test of umbilical cable |
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Application publication date: 20130904 |
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