CN2447770Y - Stretching permanent deformation testing device - Google Patents
Stretching permanent deformation testing device Download PDFInfo
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- CN2447770Y CN2447770Y CN 00249481 CN00249481U CN2447770Y CN 2447770 Y CN2447770 Y CN 2447770Y CN 00249481 CN00249481 CN 00249481 CN 00249481 U CN00249481 U CN 00249481U CN 2447770 Y CN2447770 Y CN 2447770Y
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Abstract
The utility model relates to a testing device of specified extension and permanent deformation, which is composed of a seat frame, a holding mechanism, a stretching mechanism, a guiding mechanism and a locking mechanism, wherein the stretching mechanism is arranged in the seat frame, the guiding mechanism is connected with the stretching mechanism, the guiding mechanism is arranged in the seat frame and the locking mechanism is arranged on the stretching mechanism. The guiding mechanism makes rubber test samples have no twisting force in the process of extending, and the locking mechanism makes the extension value of the test samples unchanged. A threaded rod is adopted to be used as a stretching device, so that the extension speed can be easily controlled.
Description
The utility model relates to a kind of proving installation, especially a kind of proving installation that is used for testing rubber sample permanent strain characteristic under constant elongation.
In the prior art, being used for the proving installation of testing rubber sample permanent strain characteristic under constant elongation, is that an end of sample is fixed in operating process, with after manually sample being stretched to certain length growth rate, the sample other end is fixed then again.This proving installation of the prior art has following shortcoming: sample elongation speed is wayward, and sample may be subjected to torsion in drawing process, and the sample elongation is difficult for reaching rapidly designated length.
The purpose of this utility model provide a kind of can overcome above-mentioned shortcoming of the prior art decide elongation permanent strain proving installation.The purpose of this utility model is that a kind of sample elongation speed of design is easy to control, and sample can not be subjected to torsion in drawing process, and what sample elongation reached designated length easily rapidly decides elongation permanent strain proving installation.
The utility model is achieved in that a kind of permanent strain proving installation that extends surely described in the utility model, by mounting, sample clamping mechanism, the sample drawing mechanism, sample tension guide mechanism and sample extend locking mechanism surely and form, wherein the sample drawing mechanism is installed in the mounting, sample clamping mechanism is divided into holder and following holder, following holder is fixed on the bottom of mounting, last holder is connected with sample tension guide mechanism, sample tension guide mechanism is connected with the sample drawing mechanism, sample tension guide mechanism arrangement is in mounting, sample extends the locking mechanism device surely on the sample drawing mechanism, described sample drawing mechanism is made up of a screw rod and a handwheel, the fixedly connected handwheel in the upper end of screw rod, screw rod passes the through hole in the upper bearing plate of mounting, described this through hole is provided with screw thread, match with aforesaid screw flight, the lower end of aforesaid screw rod connects sample tension guide mechanism, described sample tension guide mechanism is made of a sheet metal, the middle part of this sheet metal is provided with a hole of running through up and down, the internal diameter of this hole the first half is less than the internal diameter of this hole the latter half, this hole is passed in the lower end of aforesaid screw rod, again a diameter is fixed on the lower end of aforesaid screw rod greater than the nut of this hole the first half internal diameter, like this, screw rod can rotate in this hole, when screw rod moves upward, this sheet metal that constitutes sample tension guide mechanism also moves upward together, two antermarginal symmetric position places at this sheet metal that constitutes sample tension guide mechanism, respectively be provided with a through hole, two pillars that constitute mounting pass this two through holes respectively, promptly with sample tension guide mechanism arrangement in mounting, and restriction sample tension guide mechanism is only to do motion up and down in mounting.Sample extends locking mechanism surely and is made up of two set nuts, one of them set nut be positioned at mounting upper bearing plate above, another set nut be positioned at mounting upper bearing plate below, the screw thread of set nut matches with aforesaid screw rod, aforesaid screw rod passes this two set nuts, when these two set nuts when relative direction screws, the upper bearing plate of screw rod and mounting can be fixed.Sample clamping mechanism is made of last holder and following holder, last holder and following holder are made of two sheet metals respectively, two sheet metals be arranged in parallel, its relative position is provided with one group of screw, one group of screw rod is by these two groups of screws, two sheet metals are connected, one end of sample can be positioned between the gap of two sheet metals, pass through adjusting screw(rod), can make the sheet metal clamping or loosen sample, wherein the cross section of a sheet metal is L-shaped, is provided with two vertical through holes again, a holder is fixed on the lower support plate of mounting by these two vertical through holes with screw rod, another holder is fixed in the sample tension guide mechanism.After using holder and following holder and respectively the sample two ends being fixed, rotating handwheel makes sample tension guide mechanism move along the column direction of mounting, when tensile sample arrives designated length, screw two set nuts that sample extends locking mechanism surely, the sample tensile elongation can be fixed, to finish various physics, chemical property test.
Effect of the present utility model is positive and tangible.The utility model is a kind of to extend the permanent strain proving installation surely because adopted guiding mechanism, can be stretched to the length of regulation so can guarantee sample in deciding elongation process under the torsionless situation.The utility model remains unchanged so can guarantee sample stretch value in the process of test again because adopted locking mechanism.The utility model is again because adopted screw rod to make stretching device, so sample elongation speed is easy to control.Reached the purpose of this utility model.The utility model is not found in prior art as yet.
The utility model will be further described below in conjunction with accompanying drawing and an embodiment of the present utility model, thereby make CONSTRUCTED SPECIFICATION of the present utility model, characteristics, purpose and advantage clearer and more definite.
Accompanying drawing 1 is a kind of structural representation that extends the permanent strain proving installation surely of the utility model.
Accompanying drawing 2 is a kind of structural representations that extend the sample drawing mechanism in the permanent strain proving installation surely of the utility model.
Accompanying drawing 3 is a kind of structural representations that extend the sample clamping mechanism in the permanent strain proving installation surely of the utility model.
The structure of this embodiment of the present utility model is described below in conjunction with accompanying drawing:
As shown in Figure 1, a kind of permanent strain proving installation that extends surely described in the utility model, by mounting 1, sample clamping mechanism, sample drawing mechanism 4, sample tension guide mechanism 5 and sample extend locking mechanism 6 surely and form, wherein sample drawing mechanism 4 is installed in the mounting 1, sample clamping mechanism is divided into holder 2 and following holder 3, following holder 3 is fixed on the bottom of mounting 1, last holder 2 is connected with sample tension guide mechanism 5, sample tension guide mechanism 5 is connected with sample drawing mechanism 4, sample tension guide mechanism 5 devices are in mounting 1, and sample extends locking mechanism 6 devices surely on sample drawing mechanism 4.As shown in Figure 2, sample drawing mechanism 4 is made up of a screw rod 7 and a handwheel 8, the fixedly connected handwheel 8 in the upper end of screw rod 7, as shown in Figure 2, in this embodiment, screw rod 7 adopts the prior art of fixing with fixed pin again after both sockets with the connected mode of handwheel 8.Screw rod 7 is passed down through the through hole in the upper bearing plate 9 of mounting 1, described this through hole is provided with screw thread, threads engaged with aforesaid screw rod 7, the lower end of screw rod 7 connects sample tension guide mechanism 5, described sample tension guide mechanism 5 is made of a sheet metal, the middle part of this sheet metal is provided with a hole of running through up and down, as shown in Figure 2, in this embodiment, the internal diameter of this hole the first half is less than the internal diameter of this hole the latter half, after this hole is passed in the lower end of screw rod 7, again a diameter is fixed on the lower end of screw rod 7 greater than the nut of this hole the first half internal diameter, like this, screw rod 7 can rotate in this hole, when screw rod 7 moves upward, this sheet metal that constitutes sample tension guide mechanism 5 also moves upward together, two antermarginal symmetric position places at this sheet metal that constitutes sample tension guide mechanism 5, respectively be provided with a through hole, two pillars that constitute mounting 1 pass this two through holes respectively, promptly sample tension guide mechanism 5 is installed in mounting 1, and restriction sample tension guide mechanism 5 is only to do motion up and down in mounting 1.Reduce aforesaid two through holes and two tolerance clearances of propping up intercolumniations that constitute mounting 1 in the sample tension guide mechanism 5, can make the better effects if of this mechanism's guiding.Sample extends locking mechanism 6 surely and is made up of two set nuts, one of them set nut be positioned at mounting 1 upper bearing plate 9 above, another set nut be positioned at mounting 1 upper bearing plate 9 below, the screw thread of set nut matches with screw rod 7, screw rod 7 passes this two set nuts, when these two set nuts when relative direction screws, can screw rod 7 is fixing with the upper bearing plate 9 of mounting 1.Sample clamping mechanism is made of last holder 2 and following holder 3, as shown in Figure 3, last holder 2 and following holder 3 are made of two sheet metals respectively, two sheet metals be arranged in parallel, its relative position is provided with one group of screw, one group of screw rod is by these two groups of screws, two sheet metals are connected, one end of sample can be positioned between the gap of two sheet metals, pass through adjusting screw(rod), can make the sheet metal clamping or loosen sample, the cross section of a sheet metal of formation holder is L-shaped, be provided with two vertical through holes again, this holder be fixed on the lower support plate of mounting 1 by these two vertical through holes with screw rod, another holder also is fixed in the sample tension guide mechanism 5 in the same way.After using holder 2 and following holder 3 and respectively the sample two ends being fixed, rotate handwheel 8 and make of the column direction rising of sample tension guide mechanism 5 along mounting 1, when tensile sample arrives designated length, screw two set nuts that sample extends locking mechanism surely, the sample tensile elongation can be fixed, to finish various physics, chemical property test.
Claims (3)
1, a kind of permanent strain proving installation that extends surely, by mounting, sample clamping mechanism, the sample drawing mechanism, sample tension guide mechanism and sample extend locking mechanism surely and form, it is characterized in that: described sample drawing mechanism is installed in the described mounting, described sample clamping mechanism is divided into holder and following holder, following holder is fixed on the bottom of mounting, last holder is connected with sample tension guide mechanism, sample tension guide mechanism is connected with the sample drawing mechanism, sample tension guide mechanism arrangement is in mounting, sample extends the locking mechanism device surely on the sample drawing mechanism, described sample drawing mechanism is made of a screw rod, described screw rod passes the through hole in the upper bearing plate of mounting, described this through hole is provided with screw thread, match with aforesaid screw flight, the lower end of aforesaid screw rod connects sample tension guide mechanism, described sample tension guide mechanism is made of a sheet metal, proximal edge position at the described sheet metal that constitutes sample tension guide mechanism, at least be provided with two through holes, the pillar that constitutes mounting passes described through hole respectively, described sample extends locking mechanism surely and is made of nut, the screw thread of described nut matches with aforesaid screw rod, and aforesaid screw rod passes described nut.
2, a kind of permanent strain proving installation that extends surely as claimed in claim 1 is characterized in that: an end of the screw rod of described composition sample drawing mechanism connects a handwheel.
3, a kind of permanent strain proving installation that extends surely as claimed in claim 1 is characterized in that: described sample extends locking mechanism surely and is made of two nuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00249481 CN2447770Y (en) | 2000-09-29 | 2000-09-29 | Stretching permanent deformation testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00249481 CN2447770Y (en) | 2000-09-29 | 2000-09-29 | Stretching permanent deformation testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2447770Y true CN2447770Y (en) | 2001-09-12 |
Family
ID=33607917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00249481 Expired - Fee Related CN2447770Y (en) | 2000-09-29 | 2000-09-29 | Stretching permanent deformation testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2447770Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101403670B (en) * | 2008-11-11 | 2011-07-06 | 上海工程技术大学 | Miniature strip material tensile testing apparatus |
| CN103424313A (en) * | 2013-07-10 | 2013-12-04 | 西北工业大学 | In-situ tensile and hydrogen content monitoring device, and method for monitoring content of hydrogen by using same |
| CN103630310A (en) * | 2012-08-24 | 2014-03-12 | 弥荣(成都)实业有限公司 | High-stability high-precision adjusting device |
| CN103630312A (en) * | 2012-08-24 | 2014-03-12 | 弥荣(成都)实业有限公司 | Auxiliary force-adjusting device for automobile engine vibration test analysis |
| CN104034524A (en) * | 2014-06-24 | 2014-09-10 | 中国飞机强度研究所 | Device and method for acoustic-static combined loading test |
| CN104236997A (en) * | 2014-09-09 | 2014-12-24 | 芜湖卓越线束系统有限公司 | Tensile testing tool for rubber |
| CN107607411A (en) * | 2017-10-26 | 2018-01-19 | 新疆大学 | A kind of high-temperature tensile testing machine |
-
2000
- 2000-09-29 CN CN 00249481 patent/CN2447770Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101403670B (en) * | 2008-11-11 | 2011-07-06 | 上海工程技术大学 | Miniature strip material tensile testing apparatus |
| CN103630310A (en) * | 2012-08-24 | 2014-03-12 | 弥荣(成都)实业有限公司 | High-stability high-precision adjusting device |
| CN103630312A (en) * | 2012-08-24 | 2014-03-12 | 弥荣(成都)实业有限公司 | Auxiliary force-adjusting device for automobile engine vibration test analysis |
| CN103424313A (en) * | 2013-07-10 | 2013-12-04 | 西北工业大学 | In-situ tensile and hydrogen content monitoring device, and method for monitoring content of hydrogen by using same |
| CN103424313B (en) * | 2013-07-10 | 2015-05-20 | 西北工业大学 | In-situ tensile and hydrogen content monitoring device, and method for monitoring content of hydrogen by using same |
| CN104034524A (en) * | 2014-06-24 | 2014-09-10 | 中国飞机强度研究所 | Device and method for acoustic-static combined loading test |
| CN104236997A (en) * | 2014-09-09 | 2014-12-24 | 芜湖卓越线束系统有限公司 | Tensile testing tool for rubber |
| CN107607411A (en) * | 2017-10-26 | 2018-01-19 | 新疆大学 | A kind of high-temperature tensile testing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |