CN201177586Y - Pendulum-type impact test machine test sample automatic positioning device - Google Patents

Pendulum-type impact test machine test sample automatic positioning device Download PDF

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Publication number
CN201177586Y
CN201177586Y CNU2008200604853U CN200820060485U CN201177586Y CN 201177586 Y CN201177586 Y CN 201177586Y CN U2008200604853 U CNU2008200604853 U CN U2008200604853U CN 200820060485 U CN200820060485 U CN 200820060485U CN 201177586 Y CN201177586 Y CN 201177586Y
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CN
China
Prior art keywords
electromagnet
sample
positioning
position block
automatic
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Expired - Fee Related
Application number
CNU2008200604853U
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Chinese (zh)
Inventor
胡维悦
周宁生
吕为民
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Shanghai Meishan Baosteel Group Co Ltd
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Shanghai Meishan Baosteel Group Co Ltd
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Priority to CNU2008200604853U priority Critical patent/CN201177586Y/en
Application granted granted Critical
Publication of CN201177586Y publication Critical patent/CN201177586Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to an automatic impact test sample positioning device capable of achieving automatic and accurate positioning on a swing hammer impact test device, which mainly solves the technical problem of the conventional positioning manner that is easy to generate positioning deflection. The automatic impact test sample positioning device of the swing hammer impact test device comprises an electromagnet and a positioning stopper, wherein the electromagnet is arranged inside the test device and has a height equivalent to that of an anvil; an proximity switch is arranged on one side of the electromagnet; a signal line is extracted from a signal line adapter in a safety pin of a test device control box and is connected with the electromagnet through a relay; and the positioning stopper is connected with the electromagnet. The automatic impact test sample positioning device can accurately and efficiently locate the test sample in combination with the function of the test device without the equipment of a full-automatic sample feeding mechanism, and is efficient to normal-temperature impact, in particular to low-temperature impact.

Description

Charpy impact machine tester sample automatic positioning equipment
Technical field:
The utility model relates to the impact specimen automatic positioning equipment of the automatic accurate location of energy on Charpy impact machine tester.
Background technology:
In the physical testing, when using Charpy impact machine tester to carry out impulse test, high to the centering requirement of sample.The length of opening the V-type groove is the sample of 55mm, is placed on the testing machine anvil block, when pendulum falls, must guarantee accurately to impact the back side of sample break position correspondence, could accurately measure ballistic work, slightly deviation all can cause data distortion, influences the accurate measurement of impact absorbing energy.Producer guarantees for the centering of sample, only provides a clamp specially, blocks the breach of sample by projection on the clamp, be positioned over after clamping on the testing machine support, because clamp width and span just in time coincide, thus guaranteed the accuracy of alignment of sample,
But there are several problems in execute-in-place:
1. match because of sample, clamp and span, must be very accurate during placement, otherwise can't accurately be put on the anvil block; Sample is lighter in addition, and clamping is put and surely unclamped clamp, may run into sample, causes the crooked or displacement of sample, can not satisfy the trystate of standard-required, must reappose.
2. for low-temperature impact, standard-required is finished test in 2 seconds leaving liquid coolant, increases degree of supercooling and also must interrupt in 5 seconds, otherwise just must cool off again, influences detection efficiency.If supporting low temperature instrument possesses the automatic sample conveying system, though can solve the location of sample, one, the automatic sample conveying device failure rate is higher; Its two, if be not equipped with the low temperature instrument of automatic sample conveying system, can not provide sample to put automatically.
3. impact testing machine only allows the one man operation from security standpoint, prevents to cooperate improper damaging, and then for low-temperature impact test, operating personnel one have put sample, just must impact with handheld box control at once, and this moment, sample was put the easiest misalignment.
4. if on anvil block, increase a fixing block in addition, during placement, sample near block, can be guaranteed the accuracy of alignment of sample so really, also conveniently laying.But a large number of experiments show that the existence of block directly contacts with sample, has hindered the distortion of sample, produces extra energy in process of the test, contributed in the ballistic work, thereby cause test figure bigger than normal, influence the accuracy of data.
The utility model content:
The purpose of this utility model is that a kind of Charpy impact machine tester sample automatic positioning equipment will be provided, and mainly solves the technical matters that traditional locator meams is easy to generate locating bias.The utility model is under the condition that is not equipped with full-automatic sample feeding mechanism, and in conjunction with the function of testing machine own, efficiently and accurately location sample impacts normal temperature, and particularly low-temperature impact is effective especially.
The purpose of this utility model is achieved in that a kind of Charpy impact machine tester sample automatic positioning equipment, comprise electromagnet and position block, electromagnet places in the testing machine fuselage, its position height is suitable with the anvil block height, be provided with near switch in electromagnet one side, signal wire joint is drawn a signal wire from the safety pin of testing machine control box, is connected with electromagnet by relay, and position block is connected on the electromagnet.
The electromagnet push rod of electromagnet is connected with position block by connecting link, and connecting link has external thread, and position block has internal thread, and position block is screwed on the connecting link.Position block is abutted against and is fixed on orienting lug on the anvil block.
The utility model principle is: any Charpy impact machine tester all has a safety pin, be used for preventing that pendulum from kicking up after, the potential safety hazard that suddenly falls to causing because of other reasons.This safety pin ejects after pendulum is kicked up, and returns during test.Utilize this characteristic, locating device and safety pin are linked, eject block in the time of just in time playing the location, need only when placing sample near block; Sample is left in the block withdrawal during test, impacts; Test finishes and ejects block once more automatically, waits for next sample.This scheme does not influence any function of testing machine, and can also realize locating automatically with the software or the control knob of former testing machine, and is efficient, succinct, corresponds to actual needs.
The novel beneficial effect of this use is: position block is connected on the electromagnet, electromagnet gets the electric block that drives when closed, stretch out from the hole, centering just in time when the distance of stretching out makes sample put near block, can finish the location, and crooked situation about leading to the failure after can not causing sample to put to enter or place.Rely on common clamp (chuck is little, can come in and go out very easily in the span space) to clamp sample simultaneously, can effectively, accurately finish sample and put near block.
Description of drawings:
Accompanying drawing is the utility model structural representation
Among the figure: 1-electromagnet, 2-position block, 3-fuselage, 4-anvil block, 5-be near switch, 6-aviation plug, 7-pendulum, 8-safety pin, 9-control box, 10-relay, 11-electromagnet push rod, 12-connecting link, 13-orienting lug, 14-sample, 15-manual operation box.
Embodiment:
The concrete structure of this locating device and operating principle accompanying drawings.A kind of Charpy impact machine tester sample automatic positioning equipment, comprise electromagnet 1 and position block 2, electromagnet 1 places in the testing machine fuselage 3, its position height and anvil block 4 are highly suitable, be provided with near switch 5 in electromagnet 1 one sides, signal wire joint is drawn a signal wire from the safety pin of testing machine control box 9, is connected with electromagnet 1 by relay 10, and position block 2 is connected on the electromagnet 1.Concrete implementation step is as follows:
1. ew line is drawn in former power supply and " safety pin signal " joint in the impact testing machine control box, in the cut-in relay 10, provides power supply and control signal.
2. power supply of drawing from relay 10 and signal wire encase with flexible metal conduit, on the control box back shroud, increase an aviation plug 6 in order to be connected and fixed, and lead in the testing machine fuselage 3, testing machine fuselage 3 bonnets are also installed an aviation plug 6, make newly-increased connecting line safer.
3. open φ 20 through holes in the position of testing machine fuselage preparation installation electromagnet 1, the position block 2 of magnet control can be positioned by this hole is flexible.
4. the two wires of a stroke 10 millimeters " tractive magnets " and a Siemens positive-negative-positive 24V being installed in the fuselage the inside is near switch 5, and installation site and through hole are fit to, and guarantees that electromagnet action back position block can freely stretch.Mainly reflect the electromagnet coil power state near switch, energising " positioning light " bright sample of then laying, the dead electricity lamp goes out and then can test.
5. because positioning accuracy request is higher, consider that permanent use position block may take place by a little departing from, therefore position block is made into adjustable.Because can not tapping on the electromagnet push rod 11, therefore between push rod and position block 2, increase a connecting link 12, penetrate bolt between this connecting link 12 and the push rod 11 and be connected, with being threaded, guarantee that the distance that position block stretches out can regulate between connecting link 12 and the position block 2.
6. position block 3 is abutted against and is fixed on orienting lug 13 on the anvil block, and it can only be moved forward and backward, and can not be displaced sideways.
7. on " manual operation box 15 ", press " getting pendulum " button, pendulum 7 is kicked up and is put in place, while relay 10 normally opened contact closures, electromagnet 1 gets electric adhesive, eject together with safety pin 8, drive push rod and position block 2 and stretch out the arrival assigned address, positioning light is bright, and the operator clamps sample 14 with common clamp and can quick and precisely lay sample near laying locating piece at this moment; By " moving back pin " button, electromagnet 1 and 8 while of safety pin dead electricity retraction, position block 2 breaks away from samples 14, and positioning light goes out, and by " impact " button, can carry out impulse test.After finishing single test, pendulum 7 is kicked up automatically, repeats above-mentioned action, can test continuously.
Installed after this device, no matter low temperature, normal temperature impact, impact specimen all can be placed in 2S successfully, accuracy rate can reach 100%, eliminated fully owing to sample is put the inaccurate hidden danger that causes data deviation, and improvement cost is low, is applicable to the department or agency of any use Charpy impact machine tester, and practicality, generalization are very strong.

Claims (3)

1, a kind of Charpy impact machine tester sample automatic positioning equipment, it is characterized in that: comprise electromagnet and position block, electromagnet places in the testing machine fuselage, its position height is suitable with the anvil block height, be provided with near switch in electromagnet one side, draw a signal wire from the safety pin signal wire joint of testing machine control box, be connected with electromagnet by relay, position block is connected on the electromagnet.
2, a kind of Charpy impact machine tester sample automatic positioning equipment according to claim 1, it is characterized in that: the electromagnet push rod of electromagnet is connected with position block by connecting link, connecting link has external thread, and position block has internal thread, and position block is screwed on the connecting link.
3, a kind of Charpy impact machine tester sample automatic positioning equipment according to claim 1 is characterized in that: position block is abutted against and is fixed on orienting lug on the anvil block.
CNU2008200604853U 2008-03-21 2008-03-21 Pendulum-type impact test machine test sample automatic positioning device Expired - Fee Related CN201177586Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008200604853U CN201177586Y (en) 2008-03-21 2008-03-21 Pendulum-type impact test machine test sample automatic positioning device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008200604853U CN201177586Y (en) 2008-03-21 2008-03-21 Pendulum-type impact test machine test sample automatic positioning device

Publications (1)

Publication Number Publication Date
CN201177586Y true CN201177586Y (en) 2009-01-07

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102183351A (en) * 2011-03-15 2011-09-14 中核苏阀横店机械有限公司 Impact tester with test sample positioning device
CN102692458A (en) * 2012-06-20 2012-09-26 东北林业大学 Wood and wood composite material nondestructive testing excitation device based on uniform force knocking method
CN102706737A (en) * 2012-07-06 2012-10-03 济南科汇试验设备有限公司 Hanging pendulum buffer device of pendulum impact machine
CN102809509A (en) * 2012-08-16 2012-12-05 云南云天化股份有限公司 Support assembly and method of simply supported beam impact test
CN103234825A (en) * 2013-04-12 2013-08-07 长安大学 Pavement material direct tensile test apparatus with eccentric tension avoided and method thereof
CN103424164A (en) * 2013-07-31 2013-12-04 济南科汇试验设备有限公司 Pendulum bob weighing instrument
CN112857966A (en) * 2021-01-15 2021-05-28 山东钢铁集团日照有限公司 Automatic centering and testing method for secondary processing embrittlement sample
CN112903482A (en) * 2021-02-03 2021-06-04 中煤科工开采研究院有限公司 Multifunctional test bed for testing impact load of mining support material and test method

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102183351A (en) * 2011-03-15 2011-09-14 中核苏阀横店机械有限公司 Impact tester with test sample positioning device
CN102692458A (en) * 2012-06-20 2012-09-26 东北林业大学 Wood and wood composite material nondestructive testing excitation device based on uniform force knocking method
CN102706737A (en) * 2012-07-06 2012-10-03 济南科汇试验设备有限公司 Hanging pendulum buffer device of pendulum impact machine
CN102706737B (en) * 2012-07-06 2014-01-22 济南科汇试验设备有限公司 Hanging pendulum buffer device of pendulum impact machine
CN102809509A (en) * 2012-08-16 2012-12-05 云南云天化股份有限公司 Support assembly and method of simply supported beam impact test
CN103234825A (en) * 2013-04-12 2013-08-07 长安大学 Pavement material direct tensile test apparatus with eccentric tension avoided and method thereof
CN103234825B (en) * 2013-04-12 2016-04-13 长安大学 Avoid the ground surface material direct tensile test devices and methods therefor of eccentric tension
CN103424164A (en) * 2013-07-31 2013-12-04 济南科汇试验设备有限公司 Pendulum bob weighing instrument
CN103424164B (en) * 2013-07-31 2015-04-08 济南科汇试验设备有限公司 Pendulum bob weighing instrument
CN112857966A (en) * 2021-01-15 2021-05-28 山东钢铁集团日照有限公司 Automatic centering and testing method for secondary processing embrittlement sample
CN112903482A (en) * 2021-02-03 2021-06-04 中煤科工开采研究院有限公司 Multifunctional test bed for testing impact load of mining support material and test method

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090107

Termination date: 20160321

CF01 Termination of patent right due to non-payment of annual fee