CN115493950A - Rock dynamic mechanical property testing device - Google Patents
Rock dynamic mechanical property testing device Download PDFInfo
- Publication number
- CN115493950A CN115493950A CN202211325160.4A CN202211325160A CN115493950A CN 115493950 A CN115493950 A CN 115493950A CN 202211325160 A CN202211325160 A CN 202211325160A CN 115493950 A CN115493950 A CN 115493950A
- Authority
- CN
- China
- Prior art keywords
- adjacent
- dynamic mechanical
- shaper
- lug
- groove
- 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.)
- Pending
Links
- 239000011435 rock Substances 0.000 title claims abstract description 28
- 238000012360 testing method Methods 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 230000001133 acceleration Effects 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 20
- 238000006243 chemical reaction Methods 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 5
- 238000010521 absorption reaction Methods 0.000 description 14
- 238000002474 experimental method Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
- G01N3/317—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated by electromagnetic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/005—Electromagnetic means
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Electromagnetism (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to the technical field of material mechanical property experimental devices, and discloses a rock dynamic mechanical property testing device which comprises a multiple-time emission and coil acceleration mechanism, wherein one end of the multiple-time emission and coil acceleration mechanism is connected with a punch hammer, and the other side of the punch hammer is connected with a shaper; the invention has safe and stable structure and more universality and universality in use.
Description
Technical Field
The invention relates to the technical field of material mechanical property experimental devices, in particular to a device for testing dynamic mechanical properties of rocks.
Background
The Hopkinson pull rod is an experimental device which can be used for developing dynamic test research of materials, and is widely applied to testing dynamic mechanical characteristics of materials, at present, a miniature Hopkinson pull rod device comprises an air gun, an incident rod, a transmission rod and an absorption rod, wherein a flange and an impact tube are arranged in the air gun, and a test piece is connected between the incident rod and the transmission rod; and (3) filling gas into the air gun, so that the impact tube impacts the flange to further pull the incident rod to perform an impact experiment.
The Chinese patent No. CN212483222U discloses a kinetic energy absorption device for a Hopkinson pull rod, wherein the Hopkinson pull rod comprises an incident rod, a transmission rod and an air gun, a first flange and an impact tube are arranged in the air gun, the incident rod is fixedly connected with the first flange, the kinetic energy absorption device comprises a front kinetic energy absorption mechanism and a rear kinetic energy absorption mechanism, and the Hopkinson pull rod is arranged between the front kinetic energy absorption mechanism and the rear kinetic energy absorption mechanism; the front kinetic energy absorption mechanism comprises a first absorption rod and a support, the first absorption rod can freely move on the support along the axial direction of the rod piece, and the first absorption rod is arranged on one side of the first flange; the rear kinetic energy absorption mechanism comprises a second absorption rod and an adapter, a second flange is arranged in the adapter, the second absorption rod is fixedly connected with the second flange, and the transmission rod is fixedly connected with the adapter.
Above-mentioned patent uses the air gun to strike and can only realize the single pulse loading to the rock sample, and the noise that produces is big, and device instability is high, detects the data difficulty in the experimentation, is unfavorable for more detailed experimental study.
The split Hopkinson pull rod experiment system and the split Hopkinson pull rod experiment method with the Chinese patent number of CN113390734A comprise a buffer damping device, a laser velocimeter, a solenoid valve, a high-pressure air pump, a bullet rod, a gun barrel, an air chamber, a first sleeve, an incident pull rod, a PC (personal computer), a transmission pull rod, a second sleeve, a single-wave transmission rod, a fixed end support, a high-speed camera, a preamplifier, a super-dynamic strain gauge, two strong light sources and a plurality of strain gauges. The invention adopts an integrated system, can realize high-speed shooting, simultaneous triggering of test piece impact and speed acquisition, and can obtain the full-field historical strain condition of the material by using a digital image correlation method technology, thereby ensuring the high precision of the experimental result and the correctness of the result.
However, the Hopkinson pull rod used in the patent has the defects that the noise pollution is serious, the experiment repeatability is poor, the operation is not easy, high loading strain rate can be achieved only by high gas pressure, and the like, and the operation is complex.
The dynamic mechanical property of the rock needs to be researched through the Hopkinson pull rod, the device has the problems of noise pollution, complex operating conditions and the like, the maximum electromagnetic impact position is easy to damage and splash, and the replacement is difficult, the safety and the stability of the device are low, and potential safety hazards exist for scientific research equipment and scientific research personnel.
Disclosure of Invention
The invention aims to provide a rock dynamic mechanical property testing device, which is convenient for coil conversion and can realize multi-stage transmission by using a turntable on an electromagnetic transmitting device, thereby facilitating multi-test comparison; meanwhile, the clamp is arranged on the shaper, so that the stability of the device is improved, the device is prevented from being damaged, and the problems in the background art are solved.
The invention provides the following technical scheme: a rock dynamic mechanical property testing device comprises a multi-emission and coil accelerating mechanism, wherein one end of the multi-emission and coil accelerating mechanism is connected with a punch hammer, the other side of the punch hammer is connected with a shaper, a clamp is sleeved on the outer side of the shaper, the other end of the shaper is fixedly connected with an incident rod, a first strain gauge is arranged on the surface of the incident rod, the other end of the incident rod is fixedly connected with an oil-gas conversion mechanism, a three-jaw cylinder for clamping a rock sample is arranged in the oil-gas conversion mechanism, the other end of the oil-gas conversion mechanism is fixedly connected with a transmission rod, a second strain gauge is arranged on the surface of the transmission rod, the other end of the transmission rod is movably connected with a buffer device, and the other end of the buffer device is movably connected with an end buffer device;
A first groove and a second groove are formed in the outer ring side of the shaper respectively, and a limiting groove is formed in the second groove;
the inner ring side of the clamp is fixedly provided with a first protruding block and a third protruding block respectively, an installation cavity is formed in the clamp, an rotating shaft is movably installed in the installation cavity, a driving gear is fixedly installed on the outer side of the rotating shaft, fixing columns are fixedly installed in the installation cavity, every two adjacent fixing columns are movably installed on the outer side of each fixing column, and a second protruding block is fixedly installed on one side of each sliding rack.
Preferably, an included angle between the first protruding block and the third protruding block is ninety degrees, two adjacent first protruding blocks are located in the same longitudinal line plane, and the third protruding block is located in the middle of two adjacent first protruding blocks.
Preferably, two adjacent clamps are connected with each other through two adjacent first bumps.
Preferably, two adjacent first bumps are movably connected with the first grooves, and the third bump is movably connected with the second grooves.
Preferably, the driving gear is meshed with the sliding rack plates, the sliding rack plates are located on two sides of the driving gear, and the moving directions of the sliding rack plates are opposite.
Preferably, the inner wall of the clamp is provided with a through hole matched with the second bump in a penetrating way, and the second bump is movably connected with the limiting groove.
Preferably, the first grooves and the second grooves are staggered with each other, and the included angle between every two adjacent first grooves and every two adjacent second grooves is ninety degrees.
Has the advantages that:
1. the rock dynamic mechanical property testing device with the stabilizing function is characterized in that the repeated emission and coil acceleration mechanism is arranged in front of the impact hammer, the clamp is arranged outside the shaper, the oil-gas conversion mechanism is arranged between the incident rod and the transmission rod, and the three-jaw cylinder for clamping a rock sample is arranged in the oil-gas conversion mechanism. The invention also facilitates the bullet to be shot for many times; compared with gas emission, the electromagnetic emission has low noise and is easier to operate, and the electromagnetic coil is more efficient and convenient to switch; the fixing condition of the shaper is improved; liquid oil can be converted into gas state to be pressurized when the rock sample is wrapped, so that the diversity of energy utilization is increased; the rock sample is well fixed.
2. This rock dynamic mechanical properties testing arrangement with stabilizing capability, through cup jointing anchor clamps on the shaper, at first with the first lug of anchor clamps inner circle side and the first recess interconnect of shaper outer lane side, then with the third lug of anchor clamps inner circle side and the second recess interconnect of shaper outer lane side, rotate the axis of rotation, can drive the slip rack board and slide on the fixed column when the axis of rotation rotates, can pass through the through-hole on the anchor clamps with the second lug when the slip rack board moves, and with the third recess interconnect in the second recess, make interconnect stable between anchor clamps and the shaper.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a swage and a fixture according to the present invention;
FIG. 3 is a schematic view of a fixture according to the present invention;
FIG. 4 is a schematic diagram of a shaper in accordance with the present invention;
FIG. 5 is a schematic front view of the mounting chamber of the present invention;
fig. 6 is a front cross-sectional view of the mounting cavity of the present invention.
In the figure: 1. multiple launch and coil acceleration mechanisms; 2. punching a hammer; 3. a shaper; 4. a clamp; 5. an incident rod; 6. a first strain gauge; 7. an oil-gas conversion mechanism; 8. a three-jaw cylinder for holding a rock sample; 9. a transmission rod; 10. a second strain gauge; 11. a buffer device; 12. an end buffer device; 13. a rotating shaft; 14. a first bump; 15. a second bump; 16. a first groove; 17. a second groove; 18. a limiting groove; 19. a mounting cavity; 20. a driving gear; 21. fixing a column; 22. a sliding rack plate; 23. and a third bump.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 4, the present invention provides a technical solution: a rock dynamic mechanical property testing device comprises a multiple-emission and coil accelerating mechanism 1, wherein one end of the multiple-emission and coil accelerating mechanism 1 is connected with a punch hammer 2, the other side of the punch hammer 2 is connected with a shaper 3, the outer side of the shaper 3 is sleeved with a clamp 4, the other end of the shaper 3 is fixedly connected with an incident rod 5, a first strain gauge 6 is arranged on the surface of the incident rod 5, the other end of the incident rod 5 is fixedly connected with an oil-gas conversion mechanism 7, a three-jaw cylinder 8 for clamping a rock sample is arranged inside the oil-gas conversion mechanism 7, the other end of the oil-gas conversion mechanism 7 is fixedly connected with a transmission rod 9, a second strain gauge 10 is arranged on the surface of the transmission rod 9, the other end of the transmission rod 9 is movably connected with a buffer device 11, and the other end of the buffer device 11 is movably connected with an end buffer device 12;
a first groove 16 and a second groove 17 are respectively formed in the outer ring side of the shaper 3, and a limit groove 18 is formed in the second groove 17;
the inner ring side of anchor clamps 4 is first lug 14 and third lug 23 of fixed mounting respectively, installation cavity 19 has been seted up to anchor clamps 4's inside, the inside movable mounting of installation cavity 19 has axis of rotation 13, the outside fixed mounting of axis of rotation 13 has driving gear 20, the inside fixed mounting of installation cavity 19 has fixed column 21, adjacent two the outside movable mounting of fixed column 21 has slip rack board 22, every the equal fixed mounting in one side of slip rack board 22 has second lug 15.
Further, in this embodiment, the multiple emission and coil accelerating mechanism 1 impacts the impact hammer 2 through the electromagnetic wave that the coil provided, forms the stress wave, then reshapes the stress wave through the shaper 3, then acts on the incident pole 5, carries out the impact experiment to the experiment rock core, because the impact experiment produces very big impact force, so be equipped with buffer 13 and cushion.
Further, in this embodiment, in the impact experiment process, the shaper 3 is under the impact of stress wave, and the bearing capacity is big, produces destruction easily, reduces the life of shaper 3, has consequently been equipped with anchor clamps 4 and has fixed and protect shaper 3, improves the stability of device.
Specifically, the included angle between the first bump 14 and the third bump 23 is ninety degrees, two adjacent first bumps 14 are located in the same longitudinal line plane, and the third bump 23 is located in the middle of two adjacent first bumps 14.
Furthermore, in this embodiment, the two first bumps 14 are symmetrically distributed and form ninety degrees with the third bump 23, so that the bearing strength of the first bumps 14 and the third bumps 23 is improved, and the stress is more uniform.
Specifically, two adjacent clamps 4 are connected to each other through two adjacent first bumps 14.
Further, in this embodiment, two anchor clamps 4 symmetric distribution improve the convenience of anchor clamps 4 installation, improve maintenance efficiency, and fixed through two first lugs 14, improve the stability of anchor clamps 4.
Specifically, two adjacent first protrusions 14 are movably connected with the first groove 16, and the third protrusion 23 is movably connected with the second groove 17.
Further, in the present embodiment, the first protrusion 14 is detachably connected with the first groove 16, so as to facilitate the detachment and positioning of the fixture 4 and the shaper 3, and the third protrusion 23 and the second groove 17 are used for clamping and resisting pressure on the fixture 4 and the shaper 3, so as to prevent the device from being axially deformed and damaged.
Specifically, the pinion gear 20 is engaged with the sliding rack plates 22, two adjacent sliding rack plates 22 are located on two sides of the pinion gear 20, and the moving directions of the two adjacent sliding rack plates 22 are opposite.
Further, in this embodiment, the sliding rack plate 22 can be rotated by rotating the pinion gear 20, and the moving direction of the sliding rack plate 22 is controlled to perform chucking.
Specifically, the inner wall of the clamp 4 is provided with a through hole matched with the second bump 15 in a penetrating way, and the second bump 15 is movably connected with the limit groove 18.
Further, in this embodiment, the limiting groove 18 and the second protrusion 15 are engaged to perform clamping for axial positioning.
Specifically, the first grooves 16 and the second grooves 17 are distributed in a staggered manner, and an included angle between two adjacent first grooves 16 and two adjacent second grooves 17 is ninety degrees.
Furthermore, in this embodiment, the distribution structure that staggers is more stable, and fixed effect is better.
Example (b):
in the assembling device shown in the figure, when the clamp 4 is sleeved on the shaper 3, the first lug 14 on the inner ring side of the clamp 4 is connected with the first groove 16 on the outer ring side of the shaper 3, then the third lug 23 on the inner ring side of the clamp 4 is connected with the second groove 17 on the outer ring side of the shaper 3, the rotating shaft 13 is rotated, the rotating shaft 13 drives the sliding rack plate 22 to slide on the fixed column 21 when rotating, and the second lug 15 passes through the through hole on the clamp 4 and is connected with the third groove 19 in the second groove 17 when the sliding rack plate 22 moves, so that the clamp 4 and the shaper 3 are stably connected with each other;
electromagnetic emission is carried out through the solenoid of repetitious emission and coil acceleration mechanism 1, the relative gaseous emission noise of electromagnetic emission is little, and it is more easy to operate, solenoid conversion is more efficient convenient, can carry out bullet repetitious emission, the electromagnetic wave that electromagnetic emission produced strikes rammer 2, produce stress wave and rush to shaper 3, anchor clamps 4 set up the outside at shaper 3, the huge stress wave that 3 received of shaper 3 is stabilized through anchor clamps 4, improve shaper 3's firm intensity, then in spreading into the stress wave after the shaping into incident pole 5, oil gas conversion mechanism 7 sets up between incident pole 5 and transmission pole 9, three claw section of thick bamboo 8 of centre gripping rock sample set up in oil gas conversion mechanism 7, oil gas conversion mechanism 7 can pressurize when wrapping up the rock sample with liquid oil conversion gaseous state, increase the variety of energy utilization, centre gripping fixed action has more flexibility, it is safer.
Claims (7)
1. The utility model provides a rock dynamic mechanical properties testing arrangement, includes many times transmission and coil acceleration mechanism (1), its characterized in that: one end of the multiple-emission and coil acceleration mechanism (1) is connected with a punch hammer (2), the other side of the punch hammer (2) is connected with a shaper (3), the outer side of the shaper (3) is sleeved with a clamp (4), the other end of the shaper (3) is fixedly connected with an incident rod (5), the surface of the incident rod (5) is provided with a first strain gauge (6), the other end of the incident rod (5) is fixedly connected with an oil-gas conversion mechanism (7), a three-jaw cylinder (8) for clamping rock samples is arranged inside the oil-gas conversion mechanism (7), the other end of the oil-gas conversion mechanism (7) is fixedly connected with a transmission rod (9), the surface of the transmission rod (9) is provided with a second strain gauge (10), the other end of the transmission rod (9) is movably connected with a buffer device (11), and the other end of the buffer device (11) is movably connected with an end buffer device (12);
a first groove (16) and a second groove (17) are respectively formed in the outer ring side of the shaper (3), and a limiting groove (18) is formed in the second groove (17);
the inner ring side of anchor clamps (4) is first lug of fixed mounting (14) and third lug (23) respectively, installation cavity (19) have been seted up to the inside of anchor clamps (4), the inside movable mounting of installation cavity (19) has axis of rotation (13), the outside fixed mounting of axis of rotation (13) has driving gear (20), the inside fixed mounting of installation cavity (19) has fixed column (21), adjacent two the outside movable mounting of fixed column (21) has slip rack plate (22), every the equal fixed mounting in one side of slip rack plate (22) has second lug (15).
2. The device for testing dynamic mechanical properties of rocks according to claim 1, characterized in that: the included angle between the first lug (14) and the third lug (23) is ninety degrees, two adjacent first lugs (14) are positioned in the same longitudinal line plane, and the third lug (23) is positioned in the middle of two adjacent first lugs (14).
3. The device for testing the dynamic mechanical properties of the rock according to claim 1, wherein: two adjacent clamps (4) are connected with each other through two adjacent first lugs (14).
4. The device for testing dynamic mechanical properties of rocks according to claim 1, characterized in that: the adjacent two first lugs (14) are movably connected with the first groove (16), and the third lug (23) is movably connected with the second groove (17).
5. The device for testing the dynamic mechanical properties of the rock according to claim 1, wherein: the driving gear (20) is meshed with the sliding rack plates (22) and connected with each other, the adjacent two sliding rack plates (22) are located on two sides of the driving gear (20), and the moving directions of the adjacent two sliding rack plates (22) are opposite.
6. The device for testing the dynamic mechanical properties of the rock according to claim 1, wherein: the inner wall of the clamp (4) is provided with a through hole matched with the second bump (15) in a penetrating way, and the second bump (15) is movably connected with the limiting groove (18).
7. The device for testing the dynamic mechanical properties of the rock according to claim 1, wherein: the first grooves (16) and the second grooves (17) are distributed in a staggered mode, and the included angle between every two adjacent first grooves (16) and every two adjacent second grooves (17) is ninety degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211325160.4A CN115493950A (en) | 2022-10-27 | 2022-10-27 | Rock dynamic mechanical property testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211325160.4A CN115493950A (en) | 2022-10-27 | 2022-10-27 | Rock dynamic mechanical property testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115493950A true CN115493950A (en) | 2022-12-20 |
Family
ID=85114981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211325160.4A Pending CN115493950A (en) | 2022-10-27 | 2022-10-27 | Rock dynamic mechanical property testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115493950A (en) |
Citations (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008216082A (en) * | 2007-03-05 | 2008-09-18 | Ihi Corp | Dynamic tensile test method and device |
| CN202145186U (en) * | 2011-07-07 | 2012-02-15 | 中国人民解放军空军工程大学 | Incident wave reshaping mechanism for active ambient pressure SHPB (split hopkinson pressure bar) test |
| CN104502182A (en) * | 2014-11-27 | 2015-04-08 | 西南石油大学 | Impact-rotary well drilling experiment device |
| CN107121335A (en) * | 2017-05-24 | 2017-09-01 | 宁波大学 | A kind of dynamic indentation test method of unicast guide rod material |
| CN108375501A (en) * | 2018-01-25 | 2018-08-07 | 南京理工大学 | A kind of data processing method based on split hopkinson press bar experimental technique |
| CN108387464A (en) * | 2018-01-22 | 2018-08-10 | 北京理工大学 | A kind of double-deck miniature Hopkinson lever system of reluctance type tension and compression |
| EP3392643A1 (en) * | 2015-12-18 | 2018-10-24 | Northwestern Polytechnical University | Electromagnetic induction type hopkinson tension-compression bar loading device and experiment method |
| CN109323919A (en) * | 2018-11-21 | 2019-02-12 | 浙江大学 | A kind of split hopkinson press bar positioning device suitable for more size test specimens |
| CN109975138A (en) * | 2019-04-16 | 2019-07-05 | 中国矿业大学(北京) | A kind of photoelastic-SHPB synchronization the experimental system and method for dynamically load |
| CN109975137A (en) * | 2019-04-16 | 2019-07-05 | 中国矿业大学(北京) | A kind of caustics-SHPB synchronization the experimental system and method for dynamically load |
| CN110296898A (en) * | 2019-06-28 | 2019-10-01 | 天津大学 | The Hopkinson pull rod device and method of coupled static-dynamic loadingi in a kind of hot environment |
| WO2020115075A1 (en) * | 2018-12-03 | 2020-06-11 | Nordson Corporation | Gripper system for industrial robots for gripping items, and method for controlling the same |
| CN111562178A (en) * | 2020-06-28 | 2020-08-21 | 天津大学 | Dynamic tensile test device with kinetic energy absorption and test method |
| CN111579401A (en) * | 2020-05-21 | 2020-08-25 | 西北工业大学 | Brittle material dynamic compression experimental method based on electromagnetic Hopkinson bar |
| CN211740944U (en) * | 2020-03-04 | 2020-10-23 | 西南交通大学 | Hopkinson bar buffering energy-absorbing protection device |
| CN212483222U (en) * | 2020-06-28 | 2021-02-05 | 天津大学 | Kinetic energy absorption device for Hopkinson pull rod |
| CN112782009A (en) * | 2020-07-09 | 2021-05-11 | 西北工业大学 | Hopkinson bar experiment system suitable for soft materials |
| CN112834325A (en) * | 2021-03-19 | 2021-05-25 | 天津大学 | A test device for rock developments is direct to be cuted |
| CN113390734A (en) * | 2021-05-31 | 2021-09-14 | 南京理工大学 | Split Hopkinson pull rod experiment system and experiment method |
| CN113484167A (en) * | 2021-07-09 | 2021-10-08 | 北京理工大学 | Dynamic mechanical property testing device and method for amorphous alloy |
| CN114674681A (en) * | 2022-04-20 | 2022-06-28 | 重庆科技学院 | Double-sided dynamic shear testing device and method based on Hopkinson pressure bar system |
| CN217033762U (en) * | 2022-03-29 | 2022-07-22 | 兰恭涛 | Drill bit detection device for oil field drilling |
-
2022
- 2022-10-27 CN CN202211325160.4A patent/CN115493950A/en active Pending
Patent Citations (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008216082A (en) * | 2007-03-05 | 2008-09-18 | Ihi Corp | Dynamic tensile test method and device |
| CN202145186U (en) * | 2011-07-07 | 2012-02-15 | 中国人民解放军空军工程大学 | Incident wave reshaping mechanism for active ambient pressure SHPB (split hopkinson pressure bar) test |
| CN104502182A (en) * | 2014-11-27 | 2015-04-08 | 西南石油大学 | Impact-rotary well drilling experiment device |
| EP3392643A1 (en) * | 2015-12-18 | 2018-10-24 | Northwestern Polytechnical University | Electromagnetic induction type hopkinson tension-compression bar loading device and experiment method |
| CN107121335A (en) * | 2017-05-24 | 2017-09-01 | 宁波大学 | A kind of dynamic indentation test method of unicast guide rod material |
| CN108387464A (en) * | 2018-01-22 | 2018-08-10 | 北京理工大学 | A kind of double-deck miniature Hopkinson lever system of reluctance type tension and compression |
| CN108375501A (en) * | 2018-01-25 | 2018-08-07 | 南京理工大学 | A kind of data processing method based on split hopkinson press bar experimental technique |
| CN109323919A (en) * | 2018-11-21 | 2019-02-12 | 浙江大学 | A kind of split hopkinson press bar positioning device suitable for more size test specimens |
| WO2020115075A1 (en) * | 2018-12-03 | 2020-06-11 | Nordson Corporation | Gripper system for industrial robots for gripping items, and method for controlling the same |
| CN109975138A (en) * | 2019-04-16 | 2019-07-05 | 中国矿业大学(北京) | A kind of photoelastic-SHPB synchronization the experimental system and method for dynamically load |
| CN109975137A (en) * | 2019-04-16 | 2019-07-05 | 中国矿业大学(北京) | A kind of caustics-SHPB synchronization the experimental system and method for dynamically load |
| CN110296898A (en) * | 2019-06-28 | 2019-10-01 | 天津大学 | The Hopkinson pull rod device and method of coupled static-dynamic loadingi in a kind of hot environment |
| CN211740944U (en) * | 2020-03-04 | 2020-10-23 | 西南交通大学 | Hopkinson bar buffering energy-absorbing protection device |
| CN111579401A (en) * | 2020-05-21 | 2020-08-25 | 西北工业大学 | Brittle material dynamic compression experimental method based on electromagnetic Hopkinson bar |
| CN111562178A (en) * | 2020-06-28 | 2020-08-21 | 天津大学 | Dynamic tensile test device with kinetic energy absorption and test method |
| CN212483222U (en) * | 2020-06-28 | 2021-02-05 | 天津大学 | Kinetic energy absorption device for Hopkinson pull rod |
| CN112782009A (en) * | 2020-07-09 | 2021-05-11 | 西北工业大学 | Hopkinson bar experiment system suitable for soft materials |
| CN112834325A (en) * | 2021-03-19 | 2021-05-25 | 天津大学 | A test device for rock developments is direct to be cuted |
| CN113390734A (en) * | 2021-05-31 | 2021-09-14 | 南京理工大学 | Split Hopkinson pull rod experiment system and experiment method |
| CN113484167A (en) * | 2021-07-09 | 2021-10-08 | 北京理工大学 | Dynamic mechanical property testing device and method for amorphous alloy |
| CN217033762U (en) * | 2022-03-29 | 2022-07-22 | 兰恭涛 | Drill bit detection device for oil field drilling |
| CN114674681A (en) * | 2022-04-20 | 2022-06-28 | 重庆科技学院 | Double-sided dynamic shear testing device and method based on Hopkinson pressure bar system |
Non-Patent Citations (6)
| Title |
|---|
| DONG GJ，ET AL: "A comparative experiment investigate of strength parameters for longmaxi shale at the macro- and mesoscales", 《INTERNATIONAL JOURNAL OF HYDROGEN ENEGY》, vol. 42, no. 31, 3 August 2017 (2017-08-03), pages 20082 - 20091 * |
| WEN Y, ET AL: "Mechanical response of porcine hind leg muscles under dynamic tensile loading", 《JOURNAL OF THE MECHANICAL BEHAVIOR OF BIOMEDICAL MATERIALS》, vol. 115, 30 March 2021 (2021-03-30), pages 104279 * |
| 任亮，等: "基于整形器的UHPC材料SHPB试验数值模拟与分析", 《华东交通大学土建学院》, vol. 38, no. 21, 15 November 2019 (2019-11-15), pages 44 - 52 * |
| 刘战伟，等: "基于多级电磁发射的mini-SHPB装置", 《实验力学》, vol. 28, no. 05, 22 May 2013 (2013-05-22), pages 12 - 17 * |
| 董广建，等: "基于微米力学实验的页岩I型断裂韧度表征", 《力学学报》, vol. 51, no. 04, 30 October 2018 (2018-10-30), pages 1245 - 1254 * |
| 郭瑞奇，等: "大直径SHTB实验装置数值模拟及混凝土细观骨料模型动态直拉研究", 《爆炸与冲击》, vol. 40, no. 09, 30 April 2020 (2020-04-30), pages 18 - 31 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112902771B (en) | Gas detonation drive ultra-high-speed launching system | |
| CN108387464B (en) | A kind of double-deck miniature Hopkinson lever system of reluctance type tension and compression | |
| CN110949693B (en) | Pneumatic type connecting and unlocking device | |
| CN105973078B (en) | Bullet separation of the projectile seat device under the big quality bullet high-speed impacts of 5~7kg of one kind | |
| CN103076223A (en) | Launcher based on Hopkinson pull rod test equipment | |
| CN112407343B (en) | Torsional spring driven wedge type low-impact repeatable locking and releasing mechanism and working method thereof | |
| CN107461380B (en) | Half sine wave pressure load generating device and method | |
| CN102221306A (en) | Ultrahigh-speed loading system of plane metal flying sheet | |
| CN107764506B (en) | Impact-resistant device and method applied to balance in temporary impact type wind tunnel | |
| US20040112649A1 (en) | Rock drill | |
| CN115824843A (en) | Magnetic suspension type single-pulse impact torsion testing equipment | |
| CN110296639B (en) | Testing device for testing elastic performance of primary and secondary marbles | |
| CN115493950A (en) | Rock dynamic mechanical property testing device | |
| CN109709032B (en) | Dynamic bonding performance testing device based on Hopkinson pressure bar emitting device | |
| CN111122091A (en) | Device for eddy current damper impact loading experiment and experiment method thereof | |
| CN115452551B (en) | Pneumatic Hopkinson torsion bar device and operation method | |
| CN212059297U (en) | Adjustable pulse width waveform generating device for initiating explosive device impact test | |
| CN113202563B (en) | Coaxial reverse rotation two-stage turbine device for weakening missile launching tail flame energy | |
| CN212459245U (en) | Horizontal type impact hammer experimental device based on separated Hopkinson pressure bar | |
| CN112763196B (en) | Impact slip test device for shipboard aircraft arresting cable | |
| US10704538B2 (en) | Method to form impulse jet | |
| CN109541678B (en) | Earthquake source device for continuously adjusting impact frequency by earthquake method | |
| CN111964523A (en) | Explosive drive active fragment test device | |
| CN113567272B (en) | Two-stage supercharging large-caliber air cannon for laboratory | |
| CN116678720B (en) | Large-tonnage rock transmitting device for simulating falling rock impact and application method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |