CN204269479U - A kind of constant temperature uniaxial drawing loading of universal testing machine - Google Patents
A kind of constant temperature uniaxial drawing loading of universal testing machine Download PDFInfo
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- CN204269479U CN204269479U CN201420865324.7U CN201420865324U CN204269479U CN 204269479 U CN204269479 U CN 204269479U CN 201420865324 U CN201420865324 U CN 201420865324U CN 204269479 U CN204269479 U CN 204269479U
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Abstract
The utility model relates to a kind of constant temperature uniaxial drawing loading of universal testing machine, comprises upper and lower two groups of unitized constructions, often organizes unitized construction and includes pull bar, web joint, test specimen plate and bolt.Pull bar one end is equipped with screw thread, the other end is connected with the hinged disk connector of the upper and lower crossbeam of universal testing machine respectively, pull bar is fixedly connected with by threaded engagement with web joint, and being provided with pull-rod nut in the part that pull bar stretches out web joint, the peripheral position on web joint is equipped with multiple through hole in order to erection bolt.Test specimen plate is equipped with corresponding screw and bolt is connected.Two groups of unitized construction corresponding settings up and down, are fixed test specimen bonding to be measured by epoxy resin between two test specimen plates.In actual test, by changing test specimen plate bonding in advance, test specimen can be completed and more change jobs.The utility model utilize the tensile loading device good stability of universal testing machine, structure simple, with low cost, change test specimen convenient.
Description
Technical field
The utility model relates to a kind of charger of universal testing machine, particularly relates to a kind of constant temperature uniaxial drawing loading for asphalt.
Background technology
In order to obtain asphalt pavement material anti-cracking performance, usually need to carry out asphalt fail in tension experiment under cryogenic.Now widely used universal testing machine is primarily of loading system, and strain, displacement measurement system and control system form.In order to measure the mechanical property of material under certain steady temperature, usual needs increase a constant temperature system on the basis of aforementioned system, conventional constant temperature system is a kind of isoperibol case independent of material universal testing machine, often complicated integral structure and be not easy to change test specimen.Because uniaxial tensile test not only can establish asphalt stress-strain relation, also can obtain the energy to failure displacement curve of I type cracking simultaneously, current research adopts indirect stretching experiment to carry out approximate simulation asphalt stretching experiment mostly, but owing to only having subregion to be subject to drawing stress effect in indirect tensile test specimen, gained actual experiment result and true property deviation larger.
Summary of the invention
It is simple that technical problem to be solved in the utility model is to provide a kind of structure, with low cost, changes test specimen convenient, be suitable for the charger of constant indoor temperature experimental study, can overcome the difficulty of bitumen mixture specimen tensile loads in constant temperature oven.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of constant temperature uniaxial drawing loading of universal testing machine, comprises unitized construction and lower unitized construction.
Described upper unitized construction comprises upper connecting rod, upper junction plate and upper test specimen plate, the upper end of described upper connecting rod is connected with the hinged disk connector of the entablature of universal testing machine, to avoid eccentric tension, by the cross beam movement of universal testing machine, can there is relative movement in two cover unitized constructions in vertical plane.
The lower end of described upper connecting rod is connected with described upper junction plate, and described upper test specimen plate is set in parallel in the below of described upper junction plate, and described upper test specimen plate and described upper junction plate removably connect.
Described lower unitized construction comprises lower link, lower connecting plate and lower test specimen plate, the lower end of described lower link is connected with the hinged disk connector of the sill of universal testing machine, to avoid eccentric tension, by the cross beam movement of universal testing machine, can there is relative movement in two cover unitized constructions in vertical plane.
The upper end of described lower link is connected with described lower connecting plate, and described lower test specimen plate is set in parallel in the top of described lower connecting plate, and described lower test specimen plate and described lower connecting plate removably connect.
Described upper test specimen plate is positioned at directly over described lower test specimen plate, and the bottom surface of described upper test specimen plate and the end face of lower test specimen plate are oppositely arranged, and test specimen to be measured is fixed between test specimen plate, lower test specimen plate.
Preferably, the middle part of described upper junction plate is provided with tapped through hole, the lower end of described upper connecting rod is provided with external thread, the lower end of described upper connecting rod and described upper junction plate are coordinated by external thread, tapped through hole and are fixedly connected with, and the partial threads stretching out described tapped through hole in the lower end of described upper connecting rod is connected with upper connecting rod nut.
Preferably, the peripheral position of described upper junction plate and described upper test specimen plate is equipped with many groups upper through hole corresponding up and down, often organize upper through hole corresponding to be up and down threaded from the top down by upper bolt, and on described the both sides up and down of test specimen plate be provided with respectively with described on the top nut that removably connects of bolt.
Preferably, described upper junction plate and described upper test specimen plate are rectangular slab, and the corner of described upper junction plate removably connects with the corner of described upper test specimen plate respectively.
Preferably, the middle part of described lower connecting plate is provided with tapped through hole, the upper end of described lower link is provided with external thread, the upper end of described lower link and described lower connecting plate are coordinated by external thread, tapped through hole and are fixedly connected with, and the partial threads stretching out described tapped through hole in the upper end of described lower link is connected with lower link nut.
Preferably, the peripheral position of described lower connecting plate and described lower test specimen plate is equipped with many groups lower through-hole corresponding up and down, often organize upper through hole corresponding to be up and down threaded from bottom to top by lower bolt, and be provided with the lower nut removably connected with described lower bolt in the both sides up and down of described lower test specimen plate respectively.
Preferably, described lower connecting plate and described lower test specimen plate are rectangular slab, and the corner of described lower connecting plate removably connects with the corner of described lower test specimen plate respectively.
Preferably, the upper end of described test specimen to be measured bonds fixing by the bottom surface of epoxy resin and described upper test specimen plate, and the lower end of described test specimen to be measured also bonds fixing by the end face of epoxy resin and described lower test specimen plate.In actual test, for multiple test specimens bonding in advance, by means of only replacing test specimen plate, test specimen can be completed and more change jobs.
Based on technique scheme, the beneficial effects of the utility model are: the present invention utilizes the tensile loading device of universal testing machine, after upper lower link stretches into constant temperature oven from the upper and lower hole of constant temperature oven respectively, the test specimen plate fixing test specimen to be measured is connected with web joint, just can realizes the loading in the isoperibol that test specimen is provided at constant temperature oven.Whole device stability is good, structure is simple, with low cost, replacing test specimen is convenient.
Accompanying drawing explanation
Fig. 1 is the front view of upper unitized construction of the present utility model;
Fig. 2 is the stereographic map of upper unitized construction of the present utility model;
Fig. 3 is the front view of lower unitized construction of the present utility model.
In accompanying drawing, the list of parts representated by each label is as follows:
1. upper connecting rod, 2. upper connecting rod nut, 3. goes up bolt, 4. upper junction plate, 5. goes up test specimen plate, 6. top nut, 11. lower links, 12. lower link nuts, 13. times bolts, 14. lower connecting plates, 15. times test specimen plates, 16. lower nuts.
Embodiment
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
As shown in Figure 1-Figure 3, a kind of constant temperature uniaxial drawing loading of universal testing machine, comprises unitized construction and lower unitized construction.
Described upper unitized construction comprises upper connecting rod 1, upper junction plate 4 and upper test specimen plate 5, the described upper end of upper connecting rod 1 is connected with the hinged disk connector of the entablature of universal testing machine, to avoid eccentric tension, by the cross beam movement of universal testing machine, can there is relative movement in two cover unitized constructions in vertical plane.
The lower end of described upper connecting rod 1 is connected with described upper junction plate 4, and described upper test specimen plate 5 is set in parallel in the below of described upper junction plate 4, and described upper test specimen plate 5 and described upper junction plate 4 removably connect.
Described lower unitized construction comprises lower link 11, lower connecting plate 14 and lower test specimen plate 15, the described lower end of lower link 11 is connected with the hinged disk connector of the sill of universal testing machine, to avoid eccentric tension, by the cross beam movement of universal testing machine, can there is relative movement in two cover unitized constructions in vertical plane.
The upper end of described lower link 11 is connected with described lower connecting plate 14, and described lower test specimen plate 15 is set in parallel in the top of described lower connecting plate 14, and described lower test specimen plate 15 and described lower connecting plate 14 removably connect.
Described upper test specimen plate 5 is positioned at directly over described lower test specimen plate 15, and the bottom surface of described upper test specimen plate 5 and the end face of lower test specimen plate 15 are oppositely arranged, and test specimen to be measured is fixed between test specimen plate 5, lower test specimen plate 15.
Preferably, the middle part of described upper junction plate 4 is provided with tapped through hole, the lower end of described upper connecting rod 1 is provided with external thread, the lower end of described upper connecting rod 1 and described upper junction plate 4 are coordinated by external thread, tapped through hole and are fixedly connected with, and the partial threads stretching out described tapped through hole in the lower end of described upper connecting rod 1 is connected with upper connecting rod nut 2.
Preferably, the peripheral position of described upper junction plate 4 and described upper test specimen plate 5 is equipped with many groups upper through hole corresponding up and down, often organize upper through hole corresponding to be up and down threaded from the top down by upper bolt 3, and on described the both sides up and down of test specimen plate 5 be provided with respectively with described on the top nut 6 that removably connects of bolt 3.Preferably, described upper junction plate 4 and described upper test specimen plate 5 are rectangular slab, and the corner of described upper junction plate 4 removably connects with the corner of described upper test specimen plate 5 respectively.
Preferably, the middle part of described lower connecting plate 14 is provided with tapped through hole, the upper end of described lower link 11 is provided with external thread, the upper end of described lower link 11 and described lower connecting plate are coordinated by external thread, tapped through hole and are fixedly connected with, and the partial threads stretching out described tapped through hole in the upper end of described lower link 11 is connected with lower link nut 12.
Preferably, the peripheral position of described lower connecting plate 14 and described lower test specimen plate 15 is equipped with many groups lower through-hole corresponding up and down, often organize upper through hole corresponding to be up and down threaded from bottom to top by lower bolt 13, and be provided with the lower nut 16 removably connected with described lower bolt 13 in the both sides up and down of described lower test specimen plate 15 respectively.
Preferably, described lower connecting plate 14 and described lower test specimen plate 15 are rectangular slab, and the corner of described lower connecting plate 14 removably connects with the corner of described lower test specimen plate 15 respectively.
Preferably, the upper end of described test specimen to be measured bonds fixing by the bottom surface of epoxy resin and described upper test specimen plate 5, and the lower end of described test specimen to be measured also bonds fixing by the end face of epoxy resin and described lower test specimen plate 15.In actual test, for multiple test specimens bonding in advance, by means of only replacing test specimen plate, test specimen can be completed and more change jobs.
When universal material testing machine is in time measuring the mechanical property of material under certain steady temperature, first upper lower link 1,11 is connected with the upper lower union joint of universal testing machine respectively, then upper lower link 1,11 is stretched in constant temperature oven from the upper and lower hole of constant temperature oven respectively, again the test specimen plate 5,15 fixing test specimen to be measured is connected with web joint 4,14 respectively, just can realizes the loading in the isoperibol that test specimen is provided at constant temperature oven.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. a constant temperature uniaxial drawing loading for universal testing machine, is characterized in that: comprise unitized construction and lower unitized construction,
Described upper unitized construction comprises upper connecting rod, upper junction plate and upper test specimen plate, the upper end of described upper connecting rod is connected with the hinged disk connector of the entablature of universal testing machine, the lower end of described upper connecting rod is connected with described upper junction plate, described upper test specimen plate is set in parallel in the below of described upper junction plate, and described upper test specimen plate and described upper junction plate removably connect;
Described lower unitized construction comprises lower link, lower connecting plate and lower test specimen plate, the lower end of described lower link is connected with the hinged disk connector of the sill of universal testing machine, the upper end of described lower link is connected with described lower connecting plate, described lower test specimen plate is set in parallel in the top of described lower connecting plate, and described lower test specimen plate and described lower connecting plate removably connect;
Described upper test specimen plate is positioned at directly over described lower test specimen plate, and the bottom surface of described upper test specimen plate and the end face of lower test specimen plate are oppositely arranged, and test specimen to be measured is fixed between test specimen plate, lower test specimen plate.
2. the constant temperature uniaxial drawing loading of a kind of universal testing machine according to claim 1, it is characterized in that, the middle part of described upper junction plate is provided with tapped through hole, the lower end of described upper connecting rod is provided with external thread, the lower end of described upper connecting rod and described upper junction plate are coordinated by external thread, tapped through hole and are fixedly connected with, and the partial threads stretching out described tapped through hole in the lower end of described upper connecting rod is connected with upper connecting rod nut.
3. the constant temperature uniaxial drawing loading of a kind of universal testing machine according to claim 1, it is characterized in that, the peripheral position of described upper junction plate and described upper test specimen plate is equipped with many groups upper through hole corresponding up and down, often organize upper through hole corresponding to be up and down threaded from the top down by upper bolt, and on described the both sides up and down of test specimen plate be provided with respectively with described on the top nut that removably connects of bolt.
4. the constant temperature uniaxial drawing loading of a kind of universal testing machine according to claim 3, it is characterized in that, described upper junction plate and described upper test specimen plate are rectangular slab, and the corner of described upper junction plate removably connects with the corner of described upper test specimen plate respectively.
5. the constant temperature uniaxial drawing loading of a kind of universal testing machine according to claim 1, it is characterized in that, the middle part of described lower connecting plate is provided with tapped through hole, the upper end of described lower link is provided with external thread, the upper end of described lower link and described lower connecting plate are coordinated by external thread, tapped through hole and are fixedly connected with, and the partial threads stretching out described tapped through hole in the upper end of described lower link is connected with lower link nut.
6. the constant temperature uniaxial drawing loading of a kind of universal testing machine according to claim 1, it is characterized in that, the peripheral position of described lower connecting plate and described lower test specimen plate is equipped with many groups lower through-hole corresponding up and down, often organize upper through hole corresponding to be up and down threaded from bottom to top by lower bolt, and be provided with the lower nut removably connected with described lower bolt in the both sides up and down of described lower test specimen plate respectively.
7. the constant temperature uniaxial drawing loading of a kind of universal testing machine according to claim 6, it is characterized in that, described lower connecting plate and described lower test specimen plate are rectangular slab, and the corner of described lower connecting plate removably connects with the corner of described lower test specimen plate respectively.
8. according to the constant temperature uniaxial drawing loading of described a kind of universal testing machine arbitrary in claim 1-7, it is characterized in that, the upper end of described test specimen to be measured bonds fixing by the bottom surface of epoxy resin and described upper test specimen plate, and the lower end of described test specimen to be measured also bonds fixing by the end face of epoxy resin and described lower test specimen plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420865324.7U CN204269479U (en) | 2014-12-29 | 2014-12-29 | A kind of constant temperature uniaxial drawing loading of universal testing machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420865324.7U CN204269479U (en) | 2014-12-29 | 2014-12-29 | A kind of constant temperature uniaxial drawing loading of universal testing machine |
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| CN204269479U true CN204269479U (en) | 2015-04-15 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105004609A (en) * | 2015-08-25 | 2015-10-28 | 吉林大学 | Composite material car body embedded part strength test fixture |
| CN105067449A (en) * | 2015-08-01 | 2015-11-18 | 中国人民解放军国防科学技术大学 | Heat insulation apparatus capable of transmitting tension and pressure |
| CN107063840A (en) * | 2016-11-30 | 2017-08-18 | 内蒙动力机械研究所 | A kind of device for solid rocket motor case list skirt axis pulling experiment |
| CN109297814A (en) * | 2018-11-13 | 2019-02-01 | 重庆大学 | A kind of test method measuring angle steel test specimen tensile mechanical properties |
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2014
- 2014-12-29 CN CN201420865324.7U patent/CN204269479U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105067449A (en) * | 2015-08-01 | 2015-11-18 | 中国人民解放军国防科学技术大学 | Heat insulation apparatus capable of transmitting tension and pressure |
| CN105004609A (en) * | 2015-08-25 | 2015-10-28 | 吉林大学 | Composite material car body embedded part strength test fixture |
| CN105004609B (en) * | 2015-08-25 | 2017-11-14 | 吉林大学 | A kind of composite-material body built-in fitting strength test fixture |
| CN107063840A (en) * | 2016-11-30 | 2017-08-18 | 内蒙动力机械研究所 | A kind of device for solid rocket motor case list skirt axis pulling experiment |
| CN107063840B (en) * | 2016-11-30 | 2021-11-26 | 内蒙动力机械研究所 | Device for single skirt axial tension test of solid rocket engine shell |
| CN109297814A (en) * | 2018-11-13 | 2019-02-01 | 重庆大学 | A kind of test method measuring angle steel test specimen tensile mechanical properties |
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| Date | Code | Title | Description |
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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: 20150415 Termination date: 20151229 |
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| EXPY | Termination of patent right or utility model |