CN113092239A - Hopkinson pressure bar device capable of being quickly and accurately adjusted and aligned - Google Patents
Hopkinson pressure bar device capable of being quickly and accurately adjusted and aligned Download PDFInfo
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- CN113092239A CN113092239A CN202110389116.9A CN202110389116A CN113092239A CN 113092239 A CN113092239 A CN 113092239A CN 202110389116 A CN202110389116 A CN 202110389116A CN 113092239 A CN113092239 A CN 113092239A
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- 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
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- 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
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- 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
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0044—Pneumatic means
Abstract
The invention relates to the field of dynamic mechanical property test experiments of materials, in particular to a device for quickly and accurately adjusting and aligning a Hopkinson pressure bar. The leveling distance can be quantized through the distance measuring instruments on the two sides of the support, and when rod pieces need to be replaced in tests of samples with different diameters, the device can rapidly guide the hand-operated distance adjusting structure to adjust the height of the support to a target value. A laser transmitter secured above the ballistic and rod members and the baffle structure verify and guide the alignment of the instrument. The device quantifies and visualizes the adjustment distance before the Hopkinson bar test, improves the adjustment precision, simultaneously eliminates the influence of human factors, and ensures the accuracy and repeatability of the test result. The technical problems that the traditional Hopkinson pressure bar is heavy in structure, long in time consumption, large in subjective factor influence and the like in the adjusting and aligning work are solved.
Description
Technical Field
The invention relates to the field of dynamic mechanical property test experiments of materials, in particular to a device for quickly and accurately adjusting and aligning a Hopkinson pressure bar.
Background
At present, various dynamic load problems such as blasting, impact, collision and the like are inevitably involved in scientific researches in civil engineering fields such as coal mine excavation, tunnel construction and the like, military fields such as shell performance test and the like, and material dynamic mechanical performance test and the like. In the dynamic loading problem, the strain rate of the material is different from that of a static or quasi-static state, the yield stress and the strength of the material are changed, the plasticity of the corresponding material is reduced, the yield hysteresis phenomenon is more obvious, and the constitutive relation obtained under the static or quasi-static condition is changed along with the change. In view of the above dynamic loading problem, the static or quasi-static mechanical properties of the material are not applicable, and it is necessary to obtain the dynamic mechanical properties of the material. The Hopkinson pressure bar is a device for testing the dynamic mechanical property of a material, and the device mainly uses a pneumatic device to launch high-speed projectiles to impact an incident rod, loads dynamic load on a sample through the incident rod, and then transmits the dynamic load to a transmission rod and a buffer rod. Stress waves are monitored through strain gauges attached to the incident rod and the transmission rod. According to the transmission principle of stress waves, in order to ensure the accuracy of the result, the position where the bullet hits the incident rod and the position where the incident rod collides with the transmission rod need to be accurately aligned in the test process. If the positions of the rod pieces are not completely aligned before the test, a great error is generated in the test result, and even the result is wrong after multiple tests, so that the alignment adjustment work of the instrument before the test is very important. At the present stage, the height adjustment and alignment combination of a wrench and a bolt is mostly adopted in the adjustment work of the Hopkinson test device before the test, then the adjustment result is judged according to naked eyes, time and labor are wasted in the adjustment process, the result after the adjustment is strong in subjectivity, and the precision is low.
Disclosure of Invention
The invention aims to provide a Hopkinson pressure bar device capable of being adjusted and aligned quickly and accurately, which can realize quick and accurate adjustment, can quantify the leveling distance through distance meters on two sides of a support, and can quickly guide a hand-operated distance adjusting structure to adjust the height of the support to a target value when rod pieces need to be replaced in tests of samples with different diameters. A laser transmitter secured above the ballistic and rod members and the baffle structure verify and guide the alignment of the instrument. The device quantifies and visualizes the adjustment distance before the Hopkinson bar test, improves the adjustment precision, simultaneously eliminates the influence of human factors, and ensures the accuracy and repeatability of the test result. The technical problems that the traditional Hopkinson pressure bar is heavy in structure, long in time consumption, large in subjective factor influence and the like in the adjusting and aligning work are solved.
The invention provides a device for quickly and accurately adjusting and aligning a Hopkinson pressure bar, which is realized by the following technical scheme:
a Hopkinson pressure bar device capable of being adjusted and aligned quickly and accurately comprises a trajectory, an incident rod, a transmission rod, a support, a plurality of hand-operated distance adjusting structures, a plurality of hand-operated distance adjusting structure screw rods, a trajectory support and a plurality of support assemblies;
the support is provided with a track; both sides of the support are connected with a plurality of hand-operated distance adjusting structures side by side.
The hand-operated distance adjusting structure is arranged on the hand-operated distance adjusting structure screw rod; and a distance measuring instrument is arranged on the hand-operated distance adjusting structure.
The bracket component comprises a rod component bracket, a bracket rod component hoop, a cushion block, a fixing screw and a bracket horizontal adjusting structure; the bottom of the rod piece support is provided with a support groove, the support groove is matched with the track, and the rod piece support is fixed on the support through fixing screws on two sides of the rod piece support.
The upper end of the rod support is provided with a U-shaped opening, a cushion block is arranged in the U-shaped opening, and the top of the cushion block is provided with a support rod hoop; the horizontal adjusting structure of the bracket comprises a cushion block hand wheel and a cushion block screw rod, and the cushion block screw rod penetrates through the rod piece bracket; one end of the cushion block screw, which is far away from the cushion block, is connected with a cushion block hand wheel, and the cushion block hand wheel controls the cushion block screw to rotate so as to adjust the position of the cushion block.
Preferably, the ballistic support is provided with a through hole for ballistic penetration; the incident rod and the transmission rod respectively penetrate through the corresponding bracket rod piece hoops.
Preferably, the distance measuring instrument is provided with a display screen for displaying the numerical distance between the position point and the ground in real time.
Preferably, the laser emitter is installed at the top of the ballistic support, the incident rod is provided with an incident rod baffle, the transmission rod is provided with a transmission rod baffle, the center of the incident rod baffle is provided with a fine hollow hole serving as a light transmission hole of the incident rod baffle, and the transmission rod baffle does not exist.
The incident rods with different sizes correspond to the heights of the incident rod baffles, and the transmission rods with different sizes correspond to the heights of the transmission rod baffles.
Preferably, the incident rod baffle is provided with baffle scales, the transmission rod baffle is provided with baffle scales, and the offset distance between the position point and the vertical position and the horizontal position above the trajectory can be displayed after the light beam is received.
Preferably, the incident rod baffle (20) and the transmission rod baffle (21) are respectively provided with a fixing device, and the incident rod baffle (20) and the transmission rod baffle (21) are fixed on the incident rod (9) and the transmission rod (11) through the fixing devices; the fixing device is provided with a level gauge (26).
Preferably, the fixing device consists of a connecting rod, a baffle hoop (12) and a fixing screw (19). . Preferably, a hand-operated distance adjusting structure hand wheel is arranged on the hand-operated distance adjusting structure; the hand-operated distance adjusting structure has a self-locking function.
Preferably, the ballistic support is mounted on a test stand; a plurality of hand-operated distance adjusting structure lead screws are installed on the test bed.
Advantageous effects of the invention
Compared with the prior art, the invention provides a device for quickly and accurately adjusting and aligning the Hopkinson pressure bar, which mainly improves the traditional heavy, time-consuming and subjective adjustment and alignment work:
(1) the hand-operated distance adjusting structure is combined with the support, saves labor and can greatly improve the adjusting speed of equipment. The horizontal adjusting structure of the bracket also adopts the structure of a cushion block screw rod and a cushion block hand wheel, and the adjustment is convenient, labor-saving and time-saving.
(2) At the distancer of all support both sides of equipment, the distancer can show the distance of this position point and horizontal plane in real time, is convenient for know the elevation difference between each position, realizes quick accurate regulation, and the registration is also convenient for the real-time feedback of accommodation process simultaneously. Meanwhile, the adjustment distance is quantized and visualized, the adjustment precision is improved, meanwhile, the influence of human factors is eliminated, and the accuracy and repeatability of test results are ensured.
(3) The laser emitter is arranged in the center above the trajectory, the distance between the incident rod and the bullet axis direction is displayed through the position of the light spot on the baffle plate by emitting light to the baffle plate arranged on the incident rod and the transmission rod, the device is used for guiding the device to adjust and checking the adjusted result, and the accurate alignment of the device is guaranteed.
(4) This application adopts vertical regulation, horizontal adjustment and laser emitter inspection adjustment result's technical mode, and it has guaranteed that hopkinson depression bar device realizes the purpose of quick accurate regulation. The vertical adjustment of the hand-operated distance adjusting structure and the horizontal adjustment of the support horizontal adjusting structure are specifically adopted, the vertical adjustment is used for adjusting the height of the fixed support screw rod, and the horizontal adjusting structure is used for adjusting the horizontal position of the cushion block.
Drawings
Fig. 1 is a schematic view of a hand-operated distance adjusting structure and a support.
Fig. 2 is a schematic structural diagram of a hopkinson body according to the present invention.
Fig. 3 is a schematic plan view of a hopkinson bar support of the present invention.
Fig. 4 is a schematic plan view of an incident beam baffle of the present invention.
Fig. 5 is a schematic plan view of a transmission rod baffle of the present invention.
In the figure: 1. the device comprises a support, 2, a track, 3, a hand-operated distance adjusting structure, 4, a distance measuring instrument, 5, a hand-operated distance adjusting structure screw rod, 6, a hand-operated distance adjusting structure hand wheel, 7, a bullet, 8, a rod support, 9, an incident rod, 10, a support groove, 11, a transmission rod, 12, a baffle hoop, 13, a sample, 14, a support horizontal adjusting structure, 15, a trajectory, 16, a trajectory support, 17, a laser transmitter, 18, a light path, 19, a fixing screw, 20, an incident rod baffle, 21, a transmission rod baffle, 22, a support rod hoop, 23, a cushion block, 24, a baffle scale, 25, an incident rod baffle light hole, 26 and a baffle level instrument.
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. 1-3, a device for quickly and accurately adjusting and aligning a hopkinson pressure bar comprises a trajectory 15, an incident rod 9, a transmission rod 11, a support 1, a plurality of hand-operated distance adjusting structures 3, a plurality of hand-operated distance adjusting structure lead screws 5, a trajectory support 16 and a plurality of support assemblies;
the rail 2 is arranged on the support 1, the ballistic support 16 is installed on the test bed, and the hand-operated distance adjusting structure screw rods 5 are installed on the test bed. Two sides of the support 1 are connected with a plurality of hand-operated distance adjusting structures 3 side by side, and hand-operated distance adjusting structure handwheels 6 are arranged on the hand-operated distance adjusting structures 3; the hand-operated distance adjusting structure 3 has a self-locking function. The hand-operated distance adjusting structure 3 is arranged on a hand-operated distance adjusting structure screw rod 5; install distancer 4 on the hand formula distance adjustment structure 3, distancer 4 has the display screen, shows the numerical distance of this position point to ground in real time for the regulation of accurate guide support height.
The bracket component comprises a rod component bracket 8, a bracket rod hoop 22, a cushion block 23, a fixing screw 19 and a bracket horizontal adjusting structure 14; the bottom of the rod support 8 is provided with a support groove 10, the support groove 10 is matched with the track 2, and the rod support 8 is fixed on the support 1 by fixing screws 19 on two sides of the rod support 8. The upper end of the rod support 8 is provided with a U-shaped opening, a cushion block 23 is arranged in the U-shaped opening, and the top of the cushion block 23 is provided with a support rod hoop 22; the support horizontal adjusting structure 14 comprises a cushion block hand wheel and a cushion block screw rod, and the cushion block screw rod penetrates through the rod piece support 8; one end of the cushion block screw, which is far away from the cushion block, is connected with a cushion block hand wheel, and the cushion block hand wheel controls the cushion block screw to rotate so as to adjust the position of the cushion block.
The ballistic support 16 is provided with a through hole through which a ballistic 15 passes, the ballistic 15 is arranged in the through hole, a plurality of support assemblies are arranged on the support 1 through the matching of the support groove 10 and the track 2, and the support assemblies are fixed by fixing screws 19 after sliding on the track 2 to a target position. The incident rod 9 and the transmission rod 11 respectively pass through the corresponding bracket rod hoop 22.
A laser emitter 17 is installed on the top of a ballistic support 16, an incident rod baffle 20 is installed on an incident rod 9, and a transmission rod baffle 21 is installed on a transmission rod 11, wherein a fine hollow is formed in the center of the incident rod baffle 20 and serves as an incident rod baffle light transmission hole 25, and the transmission rod baffle 21 does not exist. The differently sized incident rods 9 correspond to the different incident rod baffle 20 heights and the differently sized transmission rods 11 correspond to the different transmission rod baffle 21 heights. The incident rod baffle 20 is provided with a baffle scale 24, the transmission rod baffle 21 is provided with a baffle scale 24, and the offset distance between the position point and the vertical position and the horizontal position above the trajectory can be displayed after the light beam is received. As shown in fig. 4-5, fixing devices are respectively arranged on the incident rod baffle 20 and the transmission rod baffle 21, the incident rod baffle 20 and the transmission rod baffle 21 are fixed on the incident rod 9 and the transmission rod 11 through the fixing devices, each fixing device is composed of a connecting rod, a baffle hoop 12 and a fixing screw 19, the baffle hoop 12 and the baffles (the incident rod baffle 20 and the transmission rod baffle 21) are fixed through the connecting rods, a level gauge 26 is further arranged on the connecting rod, the position of the baffles and the ground is horizontally displayed through the level gauge 26, and the level gauge 26 is installed on the connecting rod between the baffle hoop 12 and the baffles (the incident rod baffle 20 and the transmission rod baffle 21). When the installation is carried out, the incident rod baffle 20 and the transmission rod baffle 21 are fixed on the incident rod 9 and the transmission rod 11 through the fixing device when the incident rod baffle 20 and the transmission rod baffle 21 are ensured to be vertical to the ground through the level gauge.
The hand-operated distance adjusting structure can be used for quickly leveling the support. The hand-operated distance adjusting structure has a self-locking function, so that the support structure is ensured to be stable at a target position. The lead screw in the hand-operated distance adjusting structure is used for supporting, and the other end of the lead screw is fixed in the ground to form a stable base.
The distance meter can show the distance after the rod piece adjustment is accomplished, and this distance is the target distance under this rod piece size promptly, and when the device carried out the rod piece and changed, the distance meter can direct hand formula distance adjustment structure to adjust to the target position fast.
The laser emitter is arranged above the trajectory and used for verifying the final adjustment result, and the incident rod and the transmission rod are respectively provided with a baffle plate used for verifying and guiding the adjustment of the instrument. The baffle plates correspond to the rod pieces in size, and the rod pieces in different sizes correspond to the baffle plates in different heights.
As shown in fig. 1-5: an adjusting method for quickly and accurately adjusting and aligning a Hopkinson pressure bar device.
(1) Assembling the instrument and the adjusting device: fixing a pneumatic device trajectory 15 on a test bed through a trajectory support 16, fixing a laser emitter 17 on the trajectory 15, installing a screw rod 5 on the test bed, fixing a support 1 and a hand-operated lifting structure 3 on the screw rod 5 respectively, fixing a rod support 8 on a track 2 on the support 1 through a support groove 10, installing an incident rod 9 and a transmission rod 11 on the corresponding rod support 8 respectively, installing a distance meter 4 in the hand-operated lifting structure 3 respectively, and installing an incident rod baffle 20 and a transmission rod baffle 21 on the incident rod 9 and the transmission rod 11 respectively through a hoop 12. The positions of the incident rod baffle and the position of the transmission rod baffle are not fixed, and the device and the monitoring system can be built at the moment by respectively fixing the two ends and the middle position of the transmission rod of the incident rod according to requirements.
(2) Alignment adjustment of the device is performed:
(2.1) alignment of the platform support with the perpendicular distance of the bullet:
alignment of perpendicular distances of bullets: the vertical distance from the axis of the bullet 7 in the bullet trajectory 15 to the test bed in the measuring device is measured, then the vertical distance from the axis of the rod piece (9 or 11) to the distance meter 4 is measured, and the distance from the axis of the rod piece to the distance meter is subtracted from the distance from the axis of the bullet 7 to the test bed at the moment to obtain the target value of the distance meter.
Alignment of platform support vertical distance: the hand-operated distance adjusting structures 3 are adjusted to ensure that the readings of the distance measuring instruments corresponding to the positions of the screw rods reach target values, and the target values correspond to the diameters of the rod pieces, so that the target values corresponding to the diameters of the rod pieces can be measured in advance, and the base can be quickly adjusted to the target values to finish alignment when the rod pieces need to be replaced.
The alignment of the platform support to the perpendicular distance of the bullet is now completed.
(2.2) opening the laser transmitter 17, and adjusting the positions of the incident rod baffle 20 and the transmission rod baffle 21, specifically:
adjusting the position of the incident-beam-blocking plate 20: fixing the pole baffle 20 of inciting respectively in the top that the pole 9 of inciting is close to bullet one end, the top of the middle part of the pole 9 of inciting and the top that is close to sample 13 one end, inspect above-mentioned three position, judge whether light 18 can pass through the centre bore 25 of the pole baffle of inciting, if can not pass through, then see that light hits the scale 24 position at the baffle, then through the hand wheel on the regulation cushion 23, through the position of the length adjustment cushion 23 of adjusting screw, accomplish the adjustment of the pole baffle 20 of inciting.
Adjusting the position of the transmission rod shutter 21: the transmission rod is adjusted the same as the incident rod. The transmission rod baffle 21 is respectively fixed above one end of the transmission rod 11 close to the sample 13, above the middle of the transmission rod 11 and above one end far away from the sample 13, the three positions are checked, whether the light 18 passing through the central hole 25 of the incident rod baffle 20 can hit the center of the transmission rod baffle is judged, if the light 18 can not hit the center of the transmission rod baffle, the light is seen to hit the position of a scale 24 of the projection baffle, and then the position of the cushion block 23 is adjusted through adjusting the length of a screw by adjusting a hand wheel on the cushion block 23, so that the adjustment of the transmission rod baffle 21 is completed.
The final adjustment effect is to ensure that light rays penetrate through the circular hole of the incident rod baffle and then strike the center of the transmission rod baffle, and the alignment work of the Hopkinson rod piece is completed at the moment, so that the experiment can be carried out.
Claims (10)
1. A Hopkinson pressure bar device capable of being adjusted and aligned quickly and accurately comprises a trajectory (15), an incident rod (9) and a transmission rod (11), and is characterized by further comprising a support (1), a plurality of hand-operated distance adjusting structures (3), a plurality of hand-operated distance adjusting structure lead screws (5), a trajectory support (16) and a plurality of support assemblies;
a track (2) is arranged on the support (1); the two sides of the support are connected with a plurality of hand-operated distance adjusting structures (3) side by side, the hand-operated distance adjusting structures (3) are installed on a hand-operated distance adjusting structure screw rod (5), and a distance meter (4) is installed on the hand-operated distance adjusting structures (3);
the bracket component comprises a rod component bracket (8), a bracket rod component hoop (22), a cushion block (23), a fixing screw (19) and a bracket horizontal adjusting structure (14); a support groove (10) is formed in the bottom of the rod piece support (8), the support groove (10) is matched with the track (2), and the rod piece support (8) is fixed on the support (1) through fixing screws (19) on two sides of the rod piece support (8);
the upper end of the rod support (8) is provided with a U-shaped opening, a cushion block (23) is arranged in the U-shaped opening, and the top of the cushion block (23) is provided with a support rod hoop (22); the support horizontal adjusting structure (14) comprises a cushion block hand wheel and a cushion block screw rod, the cushion block screw rod penetrates through the rod piece support (8), one end, far away from the cushion block, of the cushion block screw rod is connected with the cushion block hand wheel, and the cushion block hand wheel controls the cushion block screw rod to rotate to adjust the position of the cushion block.
2. Hopkinson pressure bar device with rapid and precise adjustment alignment according to claim 1, characterized in that said ballistic support (16) is provided with a through hole through which a ballistic (15) passes; the incident rod (9) and the transmission rod (11) respectively penetrate through the corresponding bracket rod hoop (22).
3. The device for adjusting and aligning Hopkinson pressure bar rapidly and precisely as recited in claim 1, wherein said distance meter (4) has a display screen for displaying the numerical distance from the location point to the ground in real time.
4. The Hopkinson pressure bar device for rapid and precise adjustment alignment according to claim 1, wherein a laser emitter (17) is installed on top of a ballistic support (16), an incident bar baffle (20) is installed on an incident bar (9), and a transmission bar baffle (21) is installed on a transmission bar (11), wherein the incident bar baffle (20) has an incident bar baffle light-transmitting hole (25) in the center and the transmission bar baffle (21) does not.
5. The apparatus of claim 4, wherein the different sizes of the incident rods (9) correspond to the heights of the different incident rod baffles (20), and the different sizes of the transmission rods (11) correspond to the heights of the different transmission rod baffles (21).
6. The Hopkinson pressure bar device with rapid and accurate adjustment alignment according to claim 4, wherein the incident bar baffle (20) is provided with a baffle scale (24), the transmission bar baffle (21) is provided with a baffle scale (24), and the offset distance between the position point and the vertical position and the horizontal position above the trajectory can be displayed after the light beam is received.
7. The Hopkinson pressure bar device capable of quickly and accurately adjusting and aligning according to claim 4, wherein fixing devices are respectively arranged on the incident bar baffle (20) and the transmission bar baffle (21), and the incident bar baffle (20) and the transmission bar baffle (21) are fixed on the incident bar (9) and the transmission bar (11) through the fixing devices; the fixing device is provided with a level gauge (26).
8. The apparatus of claim 7, wherein the fixing means comprises a connecting rod, a baffle hoop (12) and a fixing screw (19).
9. The Hopkinson pressure bar device capable of being adjusted and aligned quickly and accurately according to claim 1, wherein a hand-operated distance adjusting structure hand wheel (6) is arranged on the hand-operated distance adjusting structure (3); the hand-operated distance adjusting structure has a self-locking function.
10. A rapid fine adjustment alignment hopkinson strut device as set forth in claim 1 wherein said ballistic support (16) is mounted on a test stand; a plurality of hand-operated distance adjusting structure screw rods (5) are arranged on the test bed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110389116.9A CN113092239A (en) | 2021-04-12 | 2021-04-12 | Hopkinson pressure bar device capable of being quickly and accurately adjusted and aligned |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110389116.9A CN113092239A (en) | 2021-04-12 | 2021-04-12 | Hopkinson pressure bar device capable of being quickly and accurately adjusted and aligned |
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| CN113092239A true CN113092239A (en) | 2021-07-09 |
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| CN202110389116.9A Pending CN113092239A (en) | 2021-04-12 | 2021-04-12 | Hopkinson pressure bar device capable of being quickly and accurately adjusted and aligned |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113740183A (en) * | 2021-07-15 | 2021-12-03 | 西北工业大学 | Adjusting device and method for electromagnetic Hopkinson bar main coil |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002082031A (en) * | 2000-09-05 | 2002-03-22 | Ishikawajima Harima Heavy Ind Co Ltd | Hopkinson bar testing apparatus |
| CN202471505U (en) * | 2012-02-16 | 2012-10-03 | 安徽理工大学 | Protection and specimen bracket mechanism for hopkinson pressure bar test device |
| CN204495337U (en) * | 2015-03-19 | 2015-07-22 | 西安铂力特激光成形技术有限公司 | A kind of self-level(l)ing device for laser forming |
| CN104827667A (en) * | 2015-04-30 | 2015-08-12 | 北京敏速自动控制设备有限公司 | Printing flatbed leveling method and apparatus thereof |
| CN105043850A (en) * | 2015-07-15 | 2015-11-11 | 兰州理工大学 | Guiding device capable of adjusting transverse Hopkinson incident pressure bar bundle |
| CN208568445U (en) * | 2018-07-06 | 2019-03-01 | 深圳大学 | The leveling auxiliary device of Hopkinson bar test |
| CN109632533A (en) * | 2018-12-03 | 2019-04-16 | 天津大学 | A kind of experimental provision to core variable-diameter rock Hopkinson bar |
| CN109696585A (en) * | 2019-01-04 | 2019-04-30 | 北京环境特性研究所 | A kind of antenna leveling method and system |
| CN109708955A (en) * | 2019-01-17 | 2019-05-03 | 浙江大学 | A kind of positioning device for Hopkinson pressure bar |
| CN209903957U (en) * | 2019-05-21 | 2020-01-07 | 成都航空职业技术学院 | 3D printing device capable of leveling |
| CN110720917A (en) * | 2019-10-16 | 2020-01-24 | 苏州朗润医疗系统有限公司 | Magnetic resonance examination bed leveling device |
| CN111044402A (en) * | 2019-12-31 | 2020-04-21 | 河南奋兴机电科技有限公司 | Hopkinson-based adjusting mechanism and adjusting method |
| CN211347666U (en) * | 2019-09-24 | 2020-08-25 | 山东科技大学 | Waveguide rod straightness leveling device related to SHPB test system |
| CN111645321A (en) * | 2019-03-04 | 2020-09-11 | 安世亚太科技股份有限公司 | Leveling system and method of light curing equipment |
| CN212159447U (en) * | 2020-04-20 | 2020-12-15 | 中国民航大学 | Hopkinson pressure bar equipment bar system supporting and leveling device |
-
2021
- 2021-04-12 CN CN202110389116.9A patent/CN113092239A/en active Pending
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002082031A (en) * | 2000-09-05 | 2002-03-22 | Ishikawajima Harima Heavy Ind Co Ltd | Hopkinson bar testing apparatus |
| CN202471505U (en) * | 2012-02-16 | 2012-10-03 | 安徽理工大学 | Protection and specimen bracket mechanism for hopkinson pressure bar test device |
| CN204495337U (en) * | 2015-03-19 | 2015-07-22 | 西安铂力特激光成形技术有限公司 | A kind of self-level(l)ing device for laser forming |
| CN104827667A (en) * | 2015-04-30 | 2015-08-12 | 北京敏速自动控制设备有限公司 | Printing flatbed leveling method and apparatus thereof |
| CN105043850A (en) * | 2015-07-15 | 2015-11-11 | 兰州理工大学 | Guiding device capable of adjusting transverse Hopkinson incident pressure bar bundle |
| CN208568445U (en) * | 2018-07-06 | 2019-03-01 | 深圳大学 | The leveling auxiliary device of Hopkinson bar test |
| CN109632533A (en) * | 2018-12-03 | 2019-04-16 | 天津大学 | A kind of experimental provision to core variable-diameter rock Hopkinson bar |
| CN109696585A (en) * | 2019-01-04 | 2019-04-30 | 北京环境特性研究所 | A kind of antenna leveling method and system |
| CN109708955A (en) * | 2019-01-17 | 2019-05-03 | 浙江大学 | A kind of positioning device for Hopkinson pressure bar |
| CN111645321A (en) * | 2019-03-04 | 2020-09-11 | 安世亚太科技股份有限公司 | Leveling system and method of light curing equipment |
| CN209903957U (en) * | 2019-05-21 | 2020-01-07 | 成都航空职业技术学院 | 3D printing device capable of leveling |
| CN211347666U (en) * | 2019-09-24 | 2020-08-25 | 山东科技大学 | Waveguide rod straightness leveling device related to SHPB test system |
| CN110720917A (en) * | 2019-10-16 | 2020-01-24 | 苏州朗润医疗系统有限公司 | Magnetic resonance examination bed leveling device |
| CN111044402A (en) * | 2019-12-31 | 2020-04-21 | 河南奋兴机电科技有限公司 | Hopkinson-based adjusting mechanism and adjusting method |
| CN212159447U (en) * | 2020-04-20 | 2020-12-15 | 中国民航大学 | Hopkinson pressure bar equipment bar system supporting and leveling device |
Cited By (2)
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| CN113740183A (en) * | 2021-07-15 | 2021-12-03 | 西北工业大学 | Adjusting device and method for electromagnetic Hopkinson bar main coil |
| CN113740183B (en) * | 2021-07-15 | 2024-04-23 | 西北工业大学 | Device and method for adjusting main coil of electromagnetic Hopkinson bar |
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