CN104237015A - High-speed dynamic compression testing device - Google Patents
High-speed dynamic compression testing device Download PDFInfo
- Publication number
- CN104237015A CN104237015A CN201410550044.1A CN201410550044A CN104237015A CN 104237015 A CN104237015 A CN 104237015A CN 201410550044 A CN201410550044 A CN 201410550044A CN 104237015 A CN104237015 A CN 104237015A
- Authority
- CN
- China
- Prior art keywords
- plate
- high speed
- speed dynamic
- load
- pressing plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to a high-speed dynamic compression testing device. The high-speed dynamic compression testing device comprises a base for mounting a test piece and a loading mechanism for performing compression loading on the test piece; the loading mechanism comprises a pressing plate for compressing the test piece and a connecting rod of which one end portion is fixedly connected with the pressing plate; the base is provided with a cavity for holding the test piece and the pressing plate, and a mounting plate for mounting the test piece; one end portion of the connecting rod is located in the cavity, while the other end portion of the connecting rod penetrates through the mounting plate and extends out of the cavity, and the connecting rod is arranged in such a manner of sliding relatively to the mounting plate; the loading mechanism further comprises a loading plate of which one surface is fixedly connected with the other end portion of the connecting rod, and an unloading rod which is fixedly connected with the other side surface of the loading plate. The high-speed dynamic compression testing device can be directly applied to a high-speed tensile testing machine, is capable of realizing high-speed dynamic compression at low, medium and high different strain rates, and is safe and reliable.
Description
Technical field
The invention belongs to material mechanical performance dynamic test and representational field, for the industry such as automobile, aviation, be specifically related to a kind of device of high speed dynamic compressive test.
Background technology
The mechanical behavior of lightweighting materials under car crass load depends on stress state, as the fracturing mechanics characteristic of the metal materials such as high-strength steel under dynamic load is correlated with material stretching locally, compression, detrusion.Surrender under the nonmetallic materials Dynamic Loadings such as superpolymer and fracturing mechanics behavior counter stress state present more significant correlativity.Therefore, it may be necessary research technique and obtain the dynamic mechanical behavior of material under different stress (as dynamic compression), in order to characterize the mechanics constitutive relation of automotive material comprehensively.At present, for the test of Material compression performance, normally complete on electronic universal tester.But electronic universal tester can only realize quasistatic or compared with the test under low strain dynamic rate.In reality, for vehicle materials such as high-strength steel, plastics, foams, what we more needed concern is then the mechanical characteristic of material under middle and high rate of strain (1 ~ 1000/s) loads.Although drop-weight test platform can realize dynamic compression, owing to there is energy loss in impact process, cannot realize loading sample constant speed, process of the test mid strain rate changes greatly.
Summary of the invention
Technical matters to be solved by this invention overcomes the deficiencies in the prior art, a kind of device of the high speed dynamic compressive test that can be used on high speed tensile test machine is provided, this device can be used in realizing the dynamic compressive test under basic, normal, high different strain rate, safe and reliable.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of device of high speed dynamic compressive test, comprise for the base of installation testing test specimen and the load maintainer for carrying out compression-loaded to described test specimen, described load maintainer comprises the connecting link that pressing plate for compressing described test specimen and an end are fixedly connected with described pressing plate, described base has the cavity for holding described test specimen and pressing plate and the installing plate for installing described test specimen, the one end part of described connecting link is in described cavity, the other end extends to outside described cavity through described installing plate, and described connecting link is arranged mutually slidably with described installing plate, described load maintainer also comprises the load plate that one side is fixedly connected with the other end of described connecting link and the discharge arm be fixedly connected with the another side of described load plate.
Described base also has the web joint that base plate and both ends are connected with base plate with described installing plate respectively, and described cavity is made up of described base plate, web joint and installing plate.
The device of described high speed dynamic compressive test also comprises and is positioned at described cavity and multiple guide rods of being connected with base plate with described installing plate respectively of both ends, and multiple described guide rod is all arranged with described pressing plate mutually slidably through described pressing plate.
Multiple described guide rod is uniformly distributed along the circumferential direction of described pressing plate, and the bearing of trend of described guide rod is identical with the bearing of trend of described connecting link.
Described load plate, installing plate, pressing plate and base plate distribute successively along the bearing of trend of described connecting link.
Described connecting link is provided with multiple, and multiple described connecting link is uniformly distributed along the circumferential direction of described pressing plate.
Symmetry two side of described discharge arm offers breach.
Be fixedly connected with the first load bar between one end of described discharge arm and described load plate, the other end of described discharge arm is fixedly connected with the second load bar.
The relative two sides of described installing plate is respectively arranged with the first cushion pad and the second cushion pad, and described first cushion pad is between described installing plate and load plate, and described second cushion pad is between described installing plate and pressing plate.
Described installing plate is fixedly connected with erecting bed, and described test specimen is arranged on described erecting bed.
Due to the enforcement of above technical scheme, the present invention compared with prior art has following advantages:
The device of high speed dynamic compressive test of the present invention has discharge arm, for different materials for test, can design different discharge arm structures and the failure load of correspondence, avoid damage equipment.
The device of high speed dynamic compressive test of the present invention can be combined with high speed tensile test machine, can realize the dynamic compressive test under basic, normal, high different strain rate.
The apparatus structure of high speed dynamic compressive test of the present invention is simple, and low cost of manufacture is safe and reliable.
Accompanying drawing explanation
Fig. 1 is the front view of the device of high speed dynamic compressive test of the present invention;
Fig. 2 be in Fig. 1 A-A to cut-open view;
Fig. 3 be in Fig. 1 B-B to cut-open view;
Fig. 4 is the stereographic map of the base of the device of high speed dynamic compressive test of the present invention;
Fig. 5 is the stereographic map (not showing load maintainer) of the device of high speed dynamic compressive test of the present invention;
Fig. 6 is the side view (not showing load maintainer) of the device of high speed dynamic compressive test of the present invention;
Fig. 7 is the stereographic map of the load maintainer of the device of high speed dynamic compressive test of the present invention;
In figure: 1, base; 101, installing plate; 102, web joint; 103, base plate; 104, stiffening plate; 105, cavity; 2, load maintainer; 201, pressing plate; 202, connecting link; 203, load plate; 204, discharge arm; 205, the first load bar; 206, the second load bar; 207, breach; 3, guide rod; 4, bearing; 5, the first cushion pad; 6, the second cushion pad; 7, test specimen; 8, erecting bed.
Embodiment
Below in conjunction with Figure of description, the present invention is described further:
As shown in accompanying drawing 1 ~ 7, a kind of device of high speed dynamic compressive test, for high speed tensile test machine, this device comprises for the base 1 of installation testing test specimen 7 and the load maintainer 2 for carrying out compression-loaded to test specimen 7, load maintainer 2 comprises the connecting link 202 that pressing plate 201 and an end for compression specimens 7 are fixedly connected with pressing plate 201, base 1 has the cavity 105 for holding test specimen 7 and pressing plate 201 and the installing plate 101 for installing test specimen 7, the one end part of connecting link 202 is in cavity 105, the other end extends to outside cavity 105 through installing plate 101, and connecting link 202 is arranged slidably with installing plate 101 phase, the discharge arm that the another side that load maintainer 2 also comprises a load plate 203 and end and the load plate 203 be simultaneously fixedly connected with the other end of connecting link 202 is fixedly connected.
Base 1 also has the web joint 102 that base plate 103 and both ends are connected with base plate 103 with installing plate 101 respectively, and cavity 105 is made up of base plate 103, web joint 102 and installing plate 101.
The device of high speed dynamic compressive test of the present invention also comprises and is positioned at cavity 105 and multiple guide rods 3 of being connected with base plate 103 with installing plate 101 respectively of both ends, and multiple guide rod 3 is all arranged with pressing plate 201 phase slidably through pressing plate 201.Specifically be provided with 3 guide rods 3, pressing plate 201 is slided on the length direction of guide rod 3 by bearing 4; 3 guide rods 3 are uniformly distributed along the circumferential direction of pressing plate 201, and the bearing of trend of guide rod 3 is identical with the bearing of trend of connecting link 202.
Load plate 203, installing plate 101, pressing plate 201 and base plate 103 distribute successively at the bearing of trend of connecting link 202.
In the device of high speed dynamic compressive test of the present invention, connecting link 202 is provided with multiple, specifically can be provided with 3, and 3 connecting links 202 are uniformly distributed along the circumferential direction of pressing plate 201.
Symmetry two side of the discharge arm 204 of the device of high speed dynamic compressive test of the present invention offers breach 207.In order to change discharge arm 204 better, between an end and load plate 203 of discharge arm 204, be fixedly connected with the first load bar 205, the other end of discharge arm 204 is fixedly connected with the second load bar 206.
Impact in order to avoid the rigid contact between load plate 203 and installing plate 101, between pressing plate 201 and installing plate 101 and damage device and measuring system, the first cushion pad 5 and the second cushion pad 6 is respectively arranged with on the relative two sides of installing plate 101, first cushion pad 5 is between load plate 203 and installing plate 101, and the second cushion pad 6 is between pressing plate 201 and installing plate 101.
For the ease of the installation of test specimen 7 on installing plate 101 and dismounting, installing plate 101 is bolted to connection an erecting bed 8, and test specimen 7 is bolted or bonding mode is arranged on erecting bed 8.
Principle of work of the present invention:
The base plate 103 of base 1 is bolted to connection in the T-slot of the testing table of high speed tensile test machine, second load bar 206 is fixedly connected on the chuck of high speed tensile test machine, erecting bed 8 is bolted on the installing plate 101 of base 1, and test specimen 7 is arranged on erecting bed 8.
After on-test, the second load bar 206 drives load plate 203 to move upward, and then band dynamic pressure plate 201 is moved upward along guide rod 3 by bearing 4, realizes the dynamic compression to test specimen 7.And between the first load bar 205 and the second load bar 206, be also connected with discharge arm 204, and there is the Self-tipping function of load restriction, can protection test equipment.When compressive load reaches the failing load of discharge arm 204, can there is rupture failure in discharge arm 204, thus realize the unloading to test specimen 7, protection test equipment.
In sum, the device of high speed dynamic compressive test of the present invention has following advantage:
1) device of high speed dynamic compressive test of the present invention is combined with high speed tensile test machine, can realize the dynamic compressive test under basic, normal, high different strain rate;
2) device of high speed dynamic compressive test of the present invention is for different materials, can design different discharge arm structures and the failure load of correspondence, avoid damage equipment;
3) high speed tensile test machine is turned " drawing " by the device of high speed dynamic compressive test of the present invention is " pressure ", is directly loaded by high speed tensile test machine, simple to operate;
4) apparatus structure of high speed dynamic compressive test of the present invention is simple, and low cost of manufacture is safe and reliable.
Above to invention has been detailed description; its object is to allow the personage being familiar with this art can understand content of the present invention and be implemented; can not limit the scope of the invention with this; and the invention is not restricted to the embodiments described; the equivalence change that all Spirit Essences according to the present invention are done or modification, all should be encompassed within protection scope of the present invention.
Claims (10)
1. the device of high speed dynamic compressive test, comprise for the base of installation testing test specimen and the load maintainer for carrying out compression-loaded to described test specimen, described load maintainer comprises the connecting link that pressing plate for compressing described test specimen and an end are fixedly connected with described pressing plate, it is characterized in that: described base has the cavity for holding described test specimen and pressing plate and the installing plate for installing described test specimen, the one end part of described connecting link is in described cavity, the other end extends to outside described cavity through described installing plate, and described connecting link is arranged mutually slidably with described installing plate, described load maintainer also comprises the load plate that one side is fixedly connected with the other end of described connecting link and the discharge arm be fixedly connected with the another side of described load plate.
2. the device of high speed dynamic compressive test according to claim 1, is characterized in that: described base also has the web joint that base plate and both ends are connected with base plate with described installing plate respectively, and described cavity is made up of described base plate, web joint and installing plate.
3. the device of high speed dynamic compressive test according to claim 2, it is characterized in that: the device of described high speed dynamic compressive test also comprises and is positioned at described cavity and multiple guide rods of being connected with base plate with described installing plate respectively of both ends, multiple described guide rod is all arranged with described pressing plate mutually slidably through described pressing plate.
4. the device of high speed dynamic compressive test according to claim 3, is characterized in that: multiple described guide rod is uniformly distributed along the circumferential direction of described pressing plate, and the bearing of trend of described guide rod is identical with the bearing of trend of described connecting link.
5. the device of high speed dynamic compressive test according to claim 2, is characterized in that: described load plate, installing plate, pressing plate and base plate distribute successively along the bearing of trend of described connecting link.
6. the device of high speed dynamic compressive test according to claim 1, is characterized in that: described connecting link is provided with multiple, multiple described connecting link is uniformly distributed along the circumferential direction of described pressing plate.
7. the device of high speed dynamic compressive test according to claim 1, is characterized in that: symmetry two side of described discharge arm offers breach.
8. the device of high speed dynamic compressive test according to claim 7, is characterized in that: be fixedly connected with the first load bar between an end of described discharge arm and described load plate, and the other end of described discharge arm is fixedly connected with the second load bar.
9. the device of high speed dynamic compressive test according to claim 1, it is characterized in that: the relative two sides of described installing plate is respectively arranged with the first cushion pad and the second cushion pad, described first cushion pad is between described installing plate and load plate, and described second cushion pad is between described installing plate and pressing plate.
10. the device of high speed dynamic compressive test according to claim 1, it is characterized in that: described installing plate is fixedly connected with erecting bed, described test specimen is arranged on described erecting bed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410550044.1A CN104237015B (en) | 2014-10-17 | 2014-10-17 | The device of high speed dynamic compressive test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410550044.1A CN104237015B (en) | 2014-10-17 | 2014-10-17 | The device of high speed dynamic compressive test |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104237015A true CN104237015A (en) | 2014-12-24 |
| CN104237015B CN104237015B (en) | 2016-08-17 |
Family
ID=52225528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410550044.1A Active CN104237015B (en) | 2014-10-17 | 2014-10-17 | The device of high speed dynamic compressive test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104237015B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105334106A (en) * | 2015-10-16 | 2016-02-17 | 辰星（天津）自动化设备有限公司 | Extruder used for battery detection |
| CN105445125A (en) * | 2016-01-18 | 2016-03-30 | 苏州达美特汽车测试技术有限公司 | High-speed tensile testing machine-based part impulse test apparatus and method |
| CN105954026A (en) * | 2016-07-15 | 2016-09-21 | 芜湖赛宝信息产业技术研究院有限公司 | Rubber bearing life test clamp |
| CN106442114A (en) * | 2016-12-06 | 2017-02-22 | 清华大学苏州汽车研究院（相城） | Unloading protection device used for dynamic compression test |
| CN107271285A (en) * | 2017-06-22 | 2017-10-20 | 芜湖炬胜机电设备厂 | Weldment tensile strength test stand |
| CN107271290A (en) * | 2017-06-22 | 2017-10-20 | 芜湖炬胜机电设备厂 | Crush experimental test stand |
| CN107870124A (en) * | 2017-12-19 | 2018-04-03 | 浙江理工大学 | Fixture for the experiment of composite board compression performance |
| CN110068500A (en) * | 2019-04-17 | 2019-07-30 | 清华大学苏州汽车研究院（相城） | A kind of limit attenuating rate mechanism for testing |
| CN113640118A (en) * | 2021-08-24 | 2021-11-12 | 哈尔滨工业大学 | Material in-situ dynamic tensile loading test device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5932811A (en) * | 1998-06-16 | 1999-08-03 | Comten Industries, Inc. | Portable foam compression tester |
| CN201277925Y (en) * | 2008-10-30 | 2009-07-22 | 河北理工大学 | Concrete stress-strain full curve test apparatus with loading speed controllable |
| CN102607955A (en) * | 2012-02-17 | 2012-07-25 | 中国地质大学（武汉） | Biaxial compression test device for fractured rock mass |
| CN203148782U (en) * | 2013-04-07 | 2013-08-21 | 安徽农业大学 | Simple material mechanical test machine |
| CN103528890A (en) * | 2013-11-08 | 2014-01-22 | 清华大学苏州汽车研究院（相城） | Stretching and unloading testing device |
| CN204116147U (en) * | 2014-10-17 | 2015-01-21 | 清华大学苏州汽车研究院（相城） | A kind of device of high speed dynamic compressive test |
-
2014
- 2014-10-17 CN CN201410550044.1A patent/CN104237015B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5932811A (en) * | 1998-06-16 | 1999-08-03 | Comten Industries, Inc. | Portable foam compression tester |
| CN201277925Y (en) * | 2008-10-30 | 2009-07-22 | 河北理工大学 | Concrete stress-strain full curve test apparatus with loading speed controllable |
| CN102607955A (en) * | 2012-02-17 | 2012-07-25 | 中国地质大学（武汉） | Biaxial compression test device for fractured rock mass |
| CN203148782U (en) * | 2013-04-07 | 2013-08-21 | 安徽农业大学 | Simple material mechanical test machine |
| CN103528890A (en) * | 2013-11-08 | 2014-01-22 | 清华大学苏州汽车研究院（相城） | Stretching and unloading testing device |
| CN204116147U (en) * | 2014-10-17 | 2015-01-21 | 清华大学苏州汽车研究院（相城） | A kind of device of high speed dynamic compressive test |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105334106A (en) * | 2015-10-16 | 2016-02-17 | 辰星（天津）自动化设备有限公司 | Extruder used for battery detection |
| CN105445125A (en) * | 2016-01-18 | 2016-03-30 | 苏州达美特汽车测试技术有限公司 | High-speed tensile testing machine-based part impulse test apparatus and method |
| CN105954026A (en) * | 2016-07-15 | 2016-09-21 | 芜湖赛宝信息产业技术研究院有限公司 | Rubber bearing life test clamp |
| CN105954026B (en) * | 2016-07-15 | 2018-10-02 | 芜湖赛宝信息产业技术研究院有限公司 | Rubber support life test fixture |
| CN106442114A (en) * | 2016-12-06 | 2017-02-22 | 清华大学苏州汽车研究院（相城） | Unloading protection device used for dynamic compression test |
| CN106442114B (en) * | 2016-12-06 | 2024-05-17 | 清华大学苏州汽车研究院（相城） | Unloading protection device for dynamic compression test |
| CN107271285A (en) * | 2017-06-22 | 2017-10-20 | 芜湖炬胜机电设备厂 | Weldment tensile strength test stand |
| CN107271290A (en) * | 2017-06-22 | 2017-10-20 | 芜湖炬胜机电设备厂 | Crush experimental test stand |
| CN107870124A (en) * | 2017-12-19 | 2018-04-03 | 浙江理工大学 | Fixture for the experiment of composite board compression performance |
| CN110068500A (en) * | 2019-04-17 | 2019-07-30 | 清华大学苏州汽车研究院（相城） | A kind of limit attenuating rate mechanism for testing |
| CN113640118A (en) * | 2021-08-24 | 2021-11-12 | 哈尔滨工业大学 | Material in-situ dynamic tensile loading test device |
| CN113640118B (en) * | 2021-08-24 | 2024-02-20 | 哈尔滨工业大学 | Material in-situ dynamic tensile loading test device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104237015B (en) | 2016-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104237015A (en) | High-speed dynamic compression testing device | |
| CN104237014B (en) | High-speed dynamic compression test device | |
| CN104913985A (en) | Determination apparatus and determination method for concrete impact flexural-tensile injury based on non-equilibrium state | |
| CN104237016B (en) | High speed dynamic compressive test device | |
| CN102419289A (en) | Full-size complex load mechanical testing machine of petroleum pipe | |
| CN103884495A (en) | Enclosed loading framework for multidimensional bearing test on large-scale structural member | |
| CN204116148U (en) | High speed dynamic compressive test device | |
| CN103674697A (en) | High-speed tensile test steel plate sample piece clamp | |
| Baranowski et al. | Tire rubber testing procedure over a wide range of strain rates | |
| CN105466768B (en) | A kind of pretightning force landing impact testing machine plate test coupon fixture of size adjustable | |
| CN103267672B (en) | Bending prevention system and method for tension compression circulation and loading experiment of double-shaft sheet | |
| CN202383034U (en) | Full-size combined load mechanical tester for oil pipes | |
| CN204116147U (en) | A kind of device of high speed dynamic compressive test | |
| CN204116149U (en) | A kind of high speed dynamic compressive test device | |
| CN109030242B (en) | Electromagnetic power rock direct shear apparatus and operation method | |
| CN112834325A (en) | A test device for rock developments is direct to be cuted | |
| KR101506908B1 (en) | Anti-bucking device of a sheet metal specimen in fatigue testiung machine | |
| CN106442114B (en) | Unloading protection device for dynamic compression test | |
| CN103528890B (en) | A kind of three-point bending beam test unit | |
| CN103698202A (en) | Static and dynamic four-point bending experimental device | |
| CN205620235U (en) | Test device perforates at a high speed | |
| CN114323956B (en) | Four-way composite loading fatigue test device for rubber elastic element | |
| CN105510118A (en) | Micro-motion loading device for symmetrical line contact micro-motion fatigue test | |
| CN205749108U (en) | A kind of dynamic tensile test anti-slip cramping apparatus device | |
| CN215115502U (en) | A test device for rock developments is direct to be cuted |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |