CN2083750U - Metal polar thin belt winding type clamping apparatus - Google Patents
Metal polar thin belt winding type clamping apparatus Download PDFInfo
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- CN2083750U CN2083750U CN 90216612 CN90216612U CN2083750U CN 2083750 U CN2083750 U CN 2083750U CN 90216612 CN90216612 CN 90216612 CN 90216612 U CN90216612 U CN 90216612U CN 2083750 U CN2083750 U CN 2083750U
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- folder
- anchor clamps
- half garden
- rotating shaft
- sample
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- PUBNZTNGXKKLAO-PLNGDYQASA-N CCC/C=C\CCCCCN Chemical compound CCC/C=C\CCCCCN PUBNZTNGXKKLAO-PLNGDYQASA-N 0.000 description 1
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Abstract
Disclosed is a metal polar thin belt winding type clamping apparatus for the elongation test to the mechanical property of the metal materials. The utility model is characterized in that a winding rotary shaft composed of a semi circular clamping opening 2 of the rotary shaft and a semi circular clamping opening of the flap valve 3. The metal polar thin belt has small rigidity, and thus, the elongation test adopts a winding type and a clamping way to samples. Thus, the utility model overcomes the problems of the existing flat clamping device with eccentric elongation, tearing, sliding, biting off, etc., when the existing flat clamping device is tested. The metal polar thin belt winding type clamping apparatus has accurate test value, high work efficiency and the test strength range which is from 50 mpa to 3000 mpa. The utility model can be used in multiple metal polar thin belts and thin wires.
Description
The utility model is that a kind of metal is with the wound form anchor clamps as thin as a wafer, belongs to the mechanical test utility appliance, is applicable to that metal is with and the filament tension test as thin as a wafer.
Current domestic and international metal is with tension test generally all to use flat folder anchor clamps as thin as a wafer, when the clamping of flat folder anchor clamps is with sample as thin as a wafer, a lot of shortcomings are arranged, can find out from duty force analysis situation, shown in Figure 10,11, sample 25 is clamped in to be carved between the type fixture block, and when the test loading force was P, the inclined-plane normal pressure was P
1Produce clamping friction force at the sample head, it always makes a concerted effort to be F, but because of the folders flank of tooth in both sides is difficult to absolute flatly, use folder odontotripsis can not be the same everywhere, and sample head thickness can uniformity yet, so active line and the sample geometric center lines of its F that makes a concerted effort have certain e that departs from, F=P produces an additional bending moment M=eF, at this moment simultaneously with joint efforts, the internal stress 6 that produces on the sample cross will be a mean stress 6
Flat=P/F+M and additional bending moment 6
Curved=± M/W (F
oSample cross, W sample bending resistant section coefficient) stack, a big side is 6
Greatly=P/F+M/W, a little side 6
Little=P/F
o-M/W.The side that the sample internal stress is big reaches fracture strength earlier like this, and tears, and its intensity is reduced, and test findings is inaccurate; Other has sample to load full clamping friction force F by the sample head, if the sample material is hard, friction factor is little, can't clip and skids; Just may be snapped bad head if sample is soft, cause test failure and need retry, be not difficult to find out, because of eccentric tension, tear, skid, bite broken from above-mentioned flat folder anchor clamps force analysis, test effect is inaccurate, and the need that have refetch retry and prolonged the test period and influence work efficiency.
The purpose of this utility model, it is shortcoming at above-mentioned flat folder anchor clamps, design a kind of metal and be with the wound form anchor clamps as thin as a wafer, utilize and to be with rigidity little as thin as a wafer, adopt the mode clamping sample that not only presss from both sides but also twine solve tension test with the flat folder off-centre that anchor clamps produced, problem such as tear, skid, bite broken.
The utility model is achieved in that these anchor clamps mainly are a kind of wound form anchor clamps that are made of support 1, half garden rotating shaft folder mouthful 2, half garden flap valve folder mouth 3, the tight-lipped circle 4 of folder, ratchet 5, gib head 5, stock key 6, palm 7, screw 9, ratchet 10, bolt 11, bearing pin 12.Sample twines axle to be made of altogether two and half garden Jia Kou, flap valve folder mouth 3 is when rotating, can open by own wt, cleaved surface is had the folder tooth, and the rotating shaft of twining sample is installed in the framework of support 1, and rotating shaft one end stretches out the support outside, ratchet 5 and bright 7 gearings of hand are installed, with screw 9, ratchet 10 is rack-mount, and the start-stop action is used.Form two anchor clamps up and down with same structure, the ratchet of lower clamp is mounted in lower clamp ratchet pilot hole 13 places, and last lower clamp tries bed up and down with bolt 11 and pull bar 8 and universal testing machine respectively and is connected.
The wound form clamp working-station: the end with sample inserts in the folder mouth of going up anchor clamps earlier, holds sample on the other hand, the proficiency turning handle, and ratchet stop is used in some more i.e. 400 ° of left and right sides stalls of turning around.The other end with sample inserts in the lower clamp folder mouth again, twines by said process, can test.
Wound form clamp working-station force analysis is shown in Figure 12,13, and sample 25 is clamped between the mouth 2,3, produces clamping friction force F
1, the sample head produces hook power F about 60 ° of folder mouthful 2 side back bending
2, sample twines about 400 ° in two folders mouthful synthetic axle outer ring again, produces one again and bonds friction force F
3, F=F altogether
1+ F
2+ F
3Equal sample loading force P(F=P).Therefore, can not occur biting broken and skidding during test.Support 1 is connected with pull bar 8 usefulness bolts 11 hinges, can transpose again, makes sample loading force P and total holding force F overlap the internal stress 6=P/F on its xsect with the sample geometric center
o, can evenly distribute, can not make sample produce eccentric tension, overcome the shortcoming of flat anchor clamps fully.
The advantage of the utility model wound form anchor clamps is:
(1) simple in structure, use flexibly, easy to operate;
(2) the clamping sample is stable, stressed evenly, phenomenon such as eccentric tension can not occur, tear, bite broken, skid.Avoided refetching, retry, shorten the test period, raising work is renderd a service;
(3) test accurately is widely used, and proof strength scope 50Mpa---3000Mpa can be used for multiple metal and is with as thin as a wafer and filament.
Description of drawings, structure and the embodiment to the wound form anchor clamps describes in detail in conjunction with the accompanying drawings:
Fig. 1, metal are with the main synoptic diagram of looking of wound form anchor clamps assembling as thin as a wafer
Fig. 2, metal are with the wound form anchor clamps assembling right side to look synoptic diagram as thin as a wafer
Fig. 3, the half garden rotating shaft folder mouthful main synoptic diagram of looking
Fig. 4, half garden rotating shaft folder mouthful schematic top plan view
Synoptic diagram is looked on Fig. 5, a rotating shaft folder mouthful left side, half garden
Fig. 6, half a garden rotating shaft folder mouthful B-B cut open intention
Fig. 7, the half garden flap valve folder mouthful main synoptic diagram of looking
Fig. 8, half garden flap valve folder mouthful schematic top plan view
Fig. 9, the local enlarged diagram of folder tooth
Figure 10, flat folder anchor clamps clamping sample synoptic diagram
Figure 11, flat folder sample force analysis synoptic diagram
Figure 12, metal are with wound form anchor clamps clamping sample synoptic diagram as thin as a wafer
Figure 13, wound form anchor clamps clamping sample force analysis figure
Each code name is among the 1-13 figure figure:
1, support; 2, half garden rotating shaft folder mouth; 3, half garden flap valve folder mouth; 4, press from both sides tight-lipped circle; 5, ratchet; 6, stock key; 7, handle; 8, pull bar; 9, screw; 10, ratchet; 11, bolt; 12, bearing pin; 13, lower clamp ratchet pilot hole; 14, rotating shaft; 15, location drum; 16, rocker bar bearing hole; 17, Jia Kou plane folder tooth; 18, locating slot on the wheel; 19, the tight-lipped circle axle of folder; 20, ratchet and Handle axis; 21, key way; 22, locating hinge head; 23, pan; 24, compress positioning head; 25, sample; 26, flat mouthful fixture block; 27, inclined-plane Jia Kou.
See Fig. 1, the 2nd, these anchor clamps general assembly (GA) synoptic diagram, it mainly is by support 1, half garden rotating shaft folder mouthful 2, half garden flap valve folder mouth 3, the tight-lipped circle 4 of folder, ratchet 5, stock key 6, handle 7, screw 9, ratchet 10, bolt 11, wound form anchor clamps that bearing pin 12 constitutes as can be seen.
See that Fig. 3-6 is half garden rotating shaft folder mouthful 2 structural representations, rotating shaft folder mouth 2 is an one-piece construction with rotating shaft 14, location drum 15, the tight-lipped circle axle 19 of folder, ratchet and Handle axis 20, half garden rotating shaft folder oral thermometer face has scale, for making the sample aligned position, there is chamfering R=0.5-3mm on folder oral-lateral limit, does not damage when twining for making sample.
See that Fig. 7-8 is half garden flap valve folder mouthful 3 structural representations, half garden flap valve folder mouthful 3 one ends are by pan 23 with bearing pin 12, bearing hinge hole 16, be fixed on the drum bearing 15, pan 23 is than the big 0.1-1.5mm of bearing pin 12 diameters, the other end is with compressing positioning head 24, be positioned in the locating slot 18, leave gap 0.1-2mm between the two, make flap valve folder mouth when rotating, open a slit in order to the clamping sample by own wt, while is the proper alignment of retaining clip mouth 2,3 again, and it is for the ease of operation that positioning head exceeds locating slot 4-10mm.
Half garden rotating shaft folder mouthful 2 and half garden flap valve folder mouthful 3 synthetic diameters are 10-30mm, the rotating shaft of long 10-40mm, be used to twine sample, two Jia Kou opposites have folder tooth 17, flute profile to see Fig. 9, tooth depth 0.4-0.6mm, holding angle 70-85 °, the oblique 1mm of tooth pitch, 45 ° of angles, transverse pitch 0.71mm are convenient to the interlock sample.Press from both sides tight-lipped circle 4 and be enclosed within earlier on the tight-lipped circle of the folder axle 19, refill on support 1, play the location and the sliding bearing effect during as the folder mouth rotation of two and half gardens.
Stretch out on the support 1 outside axle 20 ratchet 5 and handle 7 are housed, with keyway 21 and the stock key 6 fixing gear trains that constitute these anchor clamps, it is 9 rack-mount that ratchet 10 usefulness spiral shells are ordered, and the start-stop action is used.The lower clamp ratchet is pressed in ratchet pilot hole 13 positions.
Form complete wound form anchor clamps by above-mentioned each one, divide upper and lower two anchor clamps with spline structure, try bed up and down with pull bar 8 and universal testing machine respectively and be connected, the pull bar lower end is connected with fixture mount 1 with bolt 11, and the aligning effect is arranged.The concrete size of each one of these anchor clamps is according to material and specimen size, determines in giving range of size.
Clamp working-station: when handle clockwise rotates, drive rotating shaft and rotate together, flap valve folder mouthfuls 3 is down the time, because of opening a slit automatically from Beijing South Maxpower Technology Co. Ltd, sample 25 heads just in time insert, and align with scale, refer to compress sample and tension with mother by the location pressure head, another hand turning handle 7 has twined sample, many i.e. 400 ° of left and right sides stalls of generally turning around, with ratchet 10 stop, sample continues toward drop-down, and the other end of the sample lower clamp of packing into has in a manner described been twined, and can load and carry out tension test.
After the utility model anchor clamps come into operation, once did the band as thin as a wafer of several steel grades and the test of filament sample, effect is all good, lifts three example explanations below:
(1) 60Si
2Mn, the following specification of thick 0.15mm has successively been made 2176 test maximum intensity and has been reached 1600Mpa as thin as a wafer with the testing research work of carrying out stretching test method, does not occur skidding, and is better than external flat folder anchor clamps.
(2) 0.8Al, the band as thin as a wafer of thick 0.08mm Cold Rolled Strip carries out contrast test, and each makes 50 samples, the wound form anchor clamps are tested resulting mean intensity 6=667Mpa, the flat folder anchor clamps mean intensity 6=654Mpa of Germany system, than these anchor clamps low 13Mpa, but also tear fracture 3 samples.
(3) also having made diameter is that test is stretched in the position of φ 0.28mm finer wire, and its pulling strengrth does not occur skidding up to 3000Mpa yet; Be that its intensity of copper paint envelope curve of φ 0.4mm is that 50Mpa does not bite broken yet also as diameter; Also once making metals such as stainless steel, copper, aluminium is with the tension test effect all good as thin as a wafer.
By above-mentioned test, fully prove the utility model wound form anchor clamps, can both be suitable for no matter intensity is high or low, more remarkable to metal tape as thin as a wafer, fine wire test effect.Can be widely used in the mechanical properties laboratory of metallurgy, machinery enterprise and institution of higher learning and R﹠D institution.
Claims (5)
1, a kind of metal is with tensile test fixture as thin as a wafer, the utility model is characterized in that these anchor clamps are by support 1, half garden rotating shaft folder mouthful 2, half garden flap valve folder mouth 3, the tight-lipped circle 4 of folder, ratchet 5, stock key 6, handle 7, screw 9, ratchet 10, bolt 11, a kind of wound form anchor clamps that bearing pin 12 constitutes.
2, according to the described wound form anchor clamps of claim 1, it is characterized in that half garden rotating shaft folder mouthful 2 and half garden flap valve folder mouth 3 a rotating shaft diameter altogether is 10--30mm, length is 10---40mm.
3, according to the described wound form anchor clamps of claim 2, it is characterized in that half garden rotating shaft folder mouthful 2 sides have chamfering R=0.5-3mm,, there is scale in folder mouthful surface, half garden generation.
4, according to claim 1,2 described wound form anchor clamps, it is characterized in that half garden flap valve folder mouth 3 is to pass through pan 23 with bearing pin 12, rocker bar bearing hole 16 is fixed on the drum 15 of location, and pan 23 is than the big 0.1-1.5mm of bearing pin 12 diameters; The other end is with compressing positioning head 24, be positioned in the locating slot 18, and positioning head exceeds 4-10mm than locating slot, leaves gap 0.1-2mm between the two.
5, according to claim 1,2 described anchor clamps, it is characterized in that half garden rotating shaft folder mouthful 2 and half garden flap valve folder mouth 3, folder tooth 17 is all arranged on the folder mouthful opposite planar, flute profile is 9 figure, tooth depth 0.4-0.6mm, holding angle 70-85 ° of oblique 1mm of tooth pitch, 45 ° of angles, transverse pitch 0.71mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90216612 CN2083750U (en) | 1990-07-18 | 1990-07-18 | Metal polar thin belt winding type clamping apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90216612 CN2083750U (en) | 1990-07-18 | 1990-07-18 | Metal polar thin belt winding type clamping apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2083750U true CN2083750U (en) | 1991-08-28 |
Family
ID=4895738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90216612 Withdrawn CN2083750U (en) | 1990-07-18 | 1990-07-18 | Metal polar thin belt winding type clamping apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2083750U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104297056A (en) * | 2014-09-11 | 2015-01-21 | 常熟泓淋电线电缆有限公司 | Clamp structure for wire and cable tension tester |
| CN105158071A (en) * | 2015-08-28 | 2015-12-16 | 宝鸡市恒森电力设备有限责任公司 | Wire rope tensile strength circulation aid |
| CN107192610A (en) * | 2017-06-30 | 2017-09-22 | 西南交通大学 | The fixture of cupping machine |
| CN107860650A (en) * | 2017-11-03 | 2018-03-30 | 哈尔滨工业大学 | A kind of flaky material wound form high temperature tension test fixture |
| CN108007768A (en) * | 2017-12-08 | 2018-05-08 | 河海大学 | The axis pulling experiment device and test method of a kind of web or pieces of cloth |
| CN109765096A (en) * | 2019-03-19 | 2019-05-17 | 宁波金田新材料有限公司 | A kind of enameled wire coat tensile test fixture device |
| CN110823678A (en) * | 2019-11-25 | 2020-02-21 | 北京北冶功能材料有限公司 | High-temperature tensile test device and method for metal filaments |
| CN111805448A (en) * | 2020-07-01 | 2020-10-23 | 中国水产科学研究院东海水产研究所 | Adjustable drum-shaped clamp for force measurement |
| CN116448590A (en) * | 2023-06-08 | 2023-07-18 | 华北科技学院 | Clamp assembly, test device and test method for sheet high-temperature tensile test |
-
1990
- 1990-07-18 CN CN 90216612 patent/CN2083750U/en not_active Withdrawn
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104297056B (en) * | 2014-09-11 | 2016-08-24 | 常熟泓淋电线电缆有限公司 | The clamp structure of electric wire tensile testing machine |
| CN104297056A (en) * | 2014-09-11 | 2015-01-21 | 常熟泓淋电线电缆有限公司 | Clamp structure for wire and cable tension tester |
| CN105158071A (en) * | 2015-08-28 | 2015-12-16 | 宝鸡市恒森电力设备有限责任公司 | Wire rope tensile strength circulation aid |
| CN107192610A (en) * | 2017-06-30 | 2017-09-22 | 西南交通大学 | The fixture of cupping machine |
| CN107192610B (en) * | 2017-06-30 | 2023-08-25 | 西南交通大学 | Clamp of tensile testing machine |
| CN107860650B (en) * | 2017-11-03 | 2020-06-09 | 哈尔滨工业大学 | Sheet material winding type high-temperature tensile test fixture for building membrane material |
| CN107860650A (en) * | 2017-11-03 | 2018-03-30 | 哈尔滨工业大学 | A kind of flaky material wound form high temperature tension test fixture |
| CN108007768A (en) * | 2017-12-08 | 2018-05-08 | 河海大学 | The axis pulling experiment device and test method of a kind of web or pieces of cloth |
| CN109765096A (en) * | 2019-03-19 | 2019-05-17 | 宁波金田新材料有限公司 | A kind of enameled wire coat tensile test fixture device |
| CN109765096B (en) * | 2019-03-19 | 2022-05-31 | 宁波金田新材料有限公司 | Enameled wire paint film tensile test fixture device |
| CN110823678A (en) * | 2019-11-25 | 2020-02-21 | 北京北冶功能材料有限公司 | High-temperature tensile test device and method for metal filaments |
| CN111805448A (en) * | 2020-07-01 | 2020-10-23 | 中国水产科学研究院东海水产研究所 | Adjustable drum-shaped clamp for force measurement |
| CN116448590A (en) * | 2023-06-08 | 2023-07-18 | 华北科技学院 | Clamp assembly, test device and test method for sheet high-temperature tensile test |
| CN116448590B (en) * | 2023-06-08 | 2023-08-25 | 华北科技学院 | Clamp assembly, test device and test method for sheet high-temperature tensile test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |