CN116858702A - Pendulum impact test device and test method for passive thermal imaging detection - Google Patents
Pendulum impact test device and test method for passive thermal imaging detection Download PDFInfo
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- CN116858702A CN116858702A CN202311130692.7A CN202311130692A CN116858702A CN 116858702 A CN116858702 A CN 116858702A CN 202311130692 A CN202311130692 A CN 202311130692A CN 116858702 A CN116858702 A CN 116858702A
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- 238000001514 detection method Methods 0.000 title claims abstract description 35
- 238000009863 impact test Methods 0.000 title claims abstract description 34
- 238000001931 thermography Methods 0.000 title claims abstract description 33
- 238000010998 test method Methods 0.000 title claims abstract description 13
- 230000001360 synchronised effect Effects 0.000 claims abstract description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 238000005381 potential energy Methods 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 3
- 230000003746 surface roughness Effects 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 230000001960 triggered effect Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 9
- 239000000463 material Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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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
- G01N3/303—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated only by free-falling weight
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/72—Investigating presence of flaws
-
- 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
- G01N3/06—Special adaptations of indicating or recording means
- G01N3/068—Special adaptations of indicating or recording means with optical indicating or recording means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- 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)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The invention belongs to the field of passive infrared thermal imaging detection, and discloses a pendulum impact test device and a test method for passive thermal imaging detection. The testing device is characterized in that a pendulum rotating shaft and a sleeve are fixed on a vertical plate of a platform bracket, a sliding rod is inserted into the sleeve, and the sliding rod can extend and retract; one end of the swing rod is fixed on the side wall of the swing hammer rotating shaft, the other end of the swing rod is fixed with a swing hammer, and a swing hammer balancing weight is fixed on the swing hammer; a pendulum hammer head is fixed on the pendulum hammer, and the front end of the pendulum hammer head is a pointed cone; a T-shaped clamp and a thermal infrared imager are fixed on the horizontal plate; the horizontal section of the clamp is fixed on the upper surface of the horizontal plate, and the vertical section of the clamp clamps and fixes the measured piece; the thermal infrared imager shoots towards the measured piece. According to the test method, when the sliding rod is contracted, the pendulum bob rotates around the pendulum bob rotating shaft to fall along an arc, the pendulum bob head impacts the tested piece, and the infrared thermal imager shoots synchronously. The test device and the test method carry out synchronous thermal imaging through the thermal infrared imager, and establish impact and detection test platforms under different energy conditions.
Description
Technical Field
The invention belongs to the field of passive thermal imaging nondestructive detection, and particularly relates to a pendulum impact test device and a test method for passive thermal imaging detection.
Background
The pendulum impact test device is a test device for performing impact study on a detected structure by converting gravitational potential energy of a pendulum into kinetic energy of impact moment, and generally consists of a pendulum rotating shaft, a trigger switch, a swing rod, a pendulum with adjustable impact energy, a clamp, a platform bracket and the like. The traditional pendulum impact test device can only realize the impact function, namely the impact damage of fixed impact energy or variable impact energy to the detected structure, and is mainly suitable for the impact test of a small-size and light-weight sample test piece.
However, in the field of non-destructive inspection of aerospace structural materials, if a passive infrared thermal imaging method is used to detect impact damage, infrared thermal imaging must be performed at the impact moment. Therefore, the impact damage detection of the structure can not be realized through the traditional pendulum impact test device, the traditional pendulum impact test device must be improved, and the functions of detecting the impact damage through the passive thermal imaging and evaluating the impact resistance of the material with the damaged aerospace structure are realized.
Currently, there is a need to develop a pendulum impact test apparatus and test method for passive thermal imaging detection.
Disclosure of Invention
The invention aims to provide a pendulum impact test device for passive thermal imaging detection, and aims to provide a pendulum impact test method for passive thermal imaging detection so as to overcome the defects of the prior art.
The invention relates to a pendulum impact test device for passive thermal imaging detection, which is characterized by comprising an L-shaped platform bracket;
a pendulum rotary shaft and a sleeve are fixed on a vertical plate of a platform bracket, a slide bar is inserted into the sleeve, the slide bar slides in the sleeve along the central axis of the sleeve, and the slide bar is triggered by a trigger switch and has an extending state and a contracting state; the swing rod is parallel to the vertical plate, the fixed end of the swing rod is fixed on the side wall of the swing hammer rotating shaft, the pendulum hammer is fixed at the suspension end of the swing rod, and the pendulum bob weight block for adjusting the weight of the pendulum hammer is fixed on the pendulum hammer; the lower surface of the pendulum bob is fixed with a pendulum hammer head, and the front end of the pendulum hammer head is a pointed cone;
a T-shaped clamp and a thermal infrared imager base are fixed on a horizontal plate of the platform bracket; the horizontal section of the clamp is fixed on the upper surface of the horizontal plate, and the vertical section of the clamp clamps and fixes the measured piece; the infrared thermal imager is fixed on the base of the infrared thermal imager, and the infrared thermal imager shoots towards the measured piece; and a synchronizer is arranged on the thermal infrared imager, and synchronous shooting is performed when the sliding rod is contracted.
Further, the sliding rod is made of a light composite material, and the surface roughness is less than 6.4; the trigger switch of the slide bar is an electromagnetic switch or a mechanical switch.
Further, the fixed end of the swing rod is fixed on the side wall of the swing hammer rotating shaft in a threaded connection mode.
Further, the pendulum bob and the pendulum bob weight are made of stainless steel; the pendulum bob balancing weights comprise a plurality of pendulum bob balancing weights, and the weight of each pendulum bob balancing weight is the same and the pendulum bob balancing weights are stacked for use.
Further, the pendulum hammer head is made of stainless steel.
Further, the horizontal section of the clamp is fixed on the upper surface of the horizontal plate through bolts distributed along the circumferential direction; the measured piece is fixed on the vertical section of the clamp through bolts distributed along the circumferential direction.
Further, the thermal infrared imager is fixed on the thermal infrared imager base through a quick-mounting plate.
Further, the platform support is a welding piece, and the vertical plate and the horizontal plate are fixed in a welding way.
The pendulum impact test method for passive thermal imaging detection provided by the invention comprises the following steps of:
s10, firstly, mounting a measured piece on a clamp through a bolt;
s20, adjusting the number of pendulum bobs according to the impact energy required by detection;
s30, when the sliding rod is placed in an extending state, the swing rod is lapped above the sliding rod, and the pendulum bob is suspended;
s40, opening a trigger switch, and retracting the sliding rod into the sleeve; under the action of gravitational potential energy, the pendulum bob rotates around a pendulum bob rotating shaft to fall along an arc, the pendulum bob head impacts the measured piece, and after the measured piece is subjected to energy instant impact, internal or external damage occurs, and heat is released;
s50, when the trigger switch is turned on, the thermal infrared imager is turned on simultaneously through the synchronizer, and an infrared thermal image of the measured piece is shot;
s60, obtaining temperature data through an infrared thermal image, obtaining impact damage conditions of the tested piece, analyzing the damage conditions, and evaluating the impact resistance of the tested piece.
The pendulum impact test device and the test method for the passive thermal imaging detection can monitor the heat generation effect of the aerospace structural material in the impact process on line and evaluate the impact resistance of the aerospace structural material, so that test support is provided for the improved design of the impact resistance of the aerospace structural material. The pendulum impact test device and the test method for the passive thermal imaging detection can be suitable for impact test of medium to large aerospace structural material test pieces or structural members, and meanwhile, the pendulum impact test device and the test method are also a visual evaluation test method for impact resistance based on a heat generation effect, and the evaluation efficiency is higher.
In short, according to the pendulum impact test device and the test method for the passive thermal imaging detection, through integrating the infrared thermal imaging device on the traditional pendulum impact test device to perform synchronous thermal imaging, an impact and detection test research platform under different energy conditions is established, and impact damage detection by the passive thermal imaging and impact resistance assessment of aerospace structural materials containing damage are realized.
Drawings
FIG. 1 is a perspective view of a pendulum impact test apparatus for passive thermographic detection of the present invention;
fig. 2 is a front view of a pendulum impact test apparatus for passive thermographic detection of the present invention.
In the figure, 1. A pendulum rotary shaft; 2. a slide bar; 3. a sleeve; 4. swing rod; 5. pendulum bob weight; 6. a pendulum; 7. swinging a hammer head; 8. a bolt; 9. a clamp; 10. a thermal infrared imager base; 11. an infrared thermal imager; 12. a measured piece; 13. and a platform bracket.
Detailed Description
The invention is described in detail below with reference to the drawings and examples.
Example 1:
as shown in fig. 1 and 2, the pendulum impact test device for passive thermal imaging detection of the present embodiment includes an L-shaped platform bracket 13;
a pendulum rotary shaft 1 and a sleeve 3 are fixed on a vertical plate of a platform bracket 13, a slide bar 2 is inserted into the sleeve 3, the slide bar 2 slides in the sleeve 3 along the central axis of the sleeve 3, and the slide bar 2 is triggered by a trigger switch and has an extending state and a contracting state; the swing rod 4 is parallel to the vertical plate, the fixed end of the swing rod 4 is fixed on the side wall of the swing hammer rotating shaft 1, the pendulum bob 6 is fixed at the suspension end of the swing rod 4, and the pendulum bob weight 5 for adjusting the weight of the pendulum bob 6 is fixed on the pendulum bob 6; the lower surface of the pendulum bob 6 is fixed with a pendulum hammer 7, and the front end of the pendulum hammer 7 is a pointed cone;
a T-shaped clamp 9 and a thermal infrared imager base 10 are fixed on a horizontal plate of a platform bracket 13; the horizontal section of the clamp 9 is fixed on the upper surface of the horizontal plate, and the vertical section of the clamp 9 clamps and fixes the measured piece 12; the thermal infrared imager base 10 is provided with a thermal infrared imager 11, and the thermal infrared imager 11 shoots towards the measured piece 12; the thermal infrared imager 11 is provided with a synchronizer, and synchronous shooting is performed when the sliding rod 2 is contracted.
Further, the slide bar 2 is made of a light composite material, and the surface roughness is less than 6.4; the trigger switch of the slide bar 2 is an electromagnetic switch or a mechanical switch.
Further, the fixed end of the swing rod 4 is fixed on the side wall of the pendulum rotary shaft 1 in a threaded connection mode.
Further, the pendulum bob 6 and the pendulum bob weight 5 are made of stainless steel; the pendulum bob weights 5 comprise a plurality of pendulum bob weights 5, and the pendulum bob weights 5 are the same in weight and stacked for use.
Further, the pendulum head 7 is made of stainless steel.
Further, the horizontal section of the clamp 9 is fixed on the upper surface of the horizontal plate through bolts 8 distributed along the circumferential direction; the test pieces 12 are fixed to the vertical section of the jig 9 by bolts 8 distributed in the circumferential direction.
Further, the thermal infrared imager 11 is fixed on the thermal infrared imager base 10 through a fast-assembling plate.
Further, the platform bracket 13 is a welding piece, and the vertical plate and the horizontal plate are welded and fixed.
The pendulum impact test method for passive thermal imaging detection of the embodiment comprises the following steps:
s10, firstly, mounting a measured piece 12 on a clamp 9 through a bolt 8;
s20, adjusting the number of pendulum weights 5 according to the impact energy required by detection;
s30, when the slide bar 2 is in an extending state, the swing rod 4 is lapped above the slide bar 2, and the pendulum 6 is suspended;
s40, opening a trigger switch, and retracting the slide rod 2 into the sleeve 3; under the action of gravitational potential energy, the pendulum bob 6 rotates and falls along an arc around the pendulum bob rotating shaft 1, the pendulum bob head 7 impacts the measured piece 12, and after the measured piece 12 is subjected to energy instant impact, internal or external damage occurs, and heat is released;
s50, when the trigger switch is turned on, the thermal infrared imager 11 is turned on simultaneously through the synchronizer, and an infrared thermal image of the measured piece 12 is shot;
s60, obtaining temperature data through the infrared thermal image, obtaining impact damage conditions of the tested piece 12, analyzing the damage conditions, and evaluating the impact resistance of the tested piece 12.
Although embodiments of the invention have been disclosed in the foregoing description and illustrated in the drawings, it will be understood by those skilled in the art that the present invention is not limited to the specific details and illustrations of features and steps set forth herein, and that all features of the invention disclosed, or steps of the method or process, except for mutually exclusive features and/or steps, may be combined in any manner without departing from the principles of the invention.
Claims (9)
1. The pendulum impact test device for passive thermal imaging detection is characterized by comprising an L-shaped platform bracket (13);
a pendulum rotary shaft (1) and a sleeve (3) are fixed on a vertical plate of a platform bracket (13), a sliding rod (2) is inserted into the sleeve (3), the sliding rod (2) slides in the sleeve (3) along the central axis of the sleeve (3), and the sliding rod (2) is triggered by a trigger switch and has an extending state and a contracting state; the swing rod (4) is parallel to the vertical plate, the fixed end of the swing rod (4) is fixed on the side wall of the swing hammer rotating shaft (1), the pendulum bob (6) is fixed at the suspension end of the swing rod (4), and the pendulum bob weight (5) for adjusting the weight of the pendulum bob (6) is fixed on the pendulum bob (6); the lower surface of the pendulum bob (6) is fixed with a pendulum hammer head (7), and the front end of the pendulum hammer head (7) is a pointed cone;
a T-shaped clamp (9) and a thermal infrared imager base (10) are fixed on a horizontal plate of a platform bracket (13); the horizontal section of the clamp (9) is fixed on the upper surface of the horizontal plate, and the vertical section of the clamp (9) clamps and fixes the measured piece (12); an infrared thermal imager (11) is fixed on the infrared thermal imager base (10), and the infrared thermal imager (11) shoots towards the measured piece (12); the thermal infrared imager (11) is provided with a synchronizer, and synchronous shooting is carried out when the sliding rod (2) is contracted.
2. The pendulum impact test device for passive thermal imaging detection according to claim 1, wherein the slide bar (2) is made of a light composite material, and has a surface roughness of less than 6.4; the trigger switch of the slide bar (2) is an electromagnetic switch or a mechanical switch.
3. The pendulum impact test device for passive thermal imaging detection according to claim 1, wherein the fixed end of the pendulum rod (4) is fixed on the side wall of the pendulum rotating shaft (1) in a threaded connection manner.
4. The pendulum impact test device for passive thermal imaging detection according to claim 1, wherein the pendulum (6) and the pendulum weight (5) are made of stainless steel; the pendulum bob weights (5) comprise a plurality of pendulum bob weights (5), and the weights of the pendulum bob weights (5) are the same and are stacked for use.
5. The pendulum impact test device for passive thermal imaging detection according to claim 1, wherein the pendulum head (7) is made of stainless steel.
6. The pendulum impact test device for passive thermal imaging detection according to claim 1, wherein the horizontal section of the clamp (9) is fixed on the upper surface of the horizontal plate by bolts (8) distributed along the circumferential direction; the measured piece (12) is fixed on the vertical section of the clamp (9) through bolts (8) distributed along the circumferential direction.
7. Pendulum impact test device for passive thermal imaging detection according to claim 1, characterized in that the thermal infrared imager (11) is fixed on the thermal infrared imager base (10) by means of a quick-mounting plate.
8. Pendulum impact test device for passive thermal imaging detection according to claim 1, characterized in that the platform support (13) is a welded part, and the vertical plate and the horizontal plate are welded and fixed.
9. A pendulum impact test method for passive thermal imaging detection, which is the test method of the pendulum impact test device for passive thermal imaging detection according to any one of claims 1 to 8, and is characterized by comprising the steps of:
s10, firstly, mounting a measured piece (12) on a clamp (9) through a bolt (8);
s20, adjusting the number of pendulum weights (5) according to the impact energy required by detection;
s30, when the sliding rod (2) is placed in an extending state, the swing rod (4) is lapped above the sliding rod (2), and the pendulum bob (6) is suspended;
s40, opening a trigger switch, and retracting the sliding rod (2) into the sleeve (3); under the action of gravitational potential energy, the pendulum bob (6) rotates and falls along an arc around the pendulum bob rotating shaft (1), the pendulum bob head (7) impacts the tested piece (12), and after the tested piece (12) is subjected to energy instant impact, internal or external damage occurs, and heat is released;
s50, when the trigger switch is turned on, the thermal infrared imager (11) is turned on simultaneously through the synchronizer, and an infrared thermal image of the measured piece (12) is shot;
s60, obtaining temperature data through an infrared thermal image, obtaining impact damage conditions of the tested piece (12), analyzing the damage conditions, and evaluating the impact resistance of the tested piece (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311130692.7A CN116858702A (en) | 2023-09-04 | 2023-09-04 | Pendulum impact test device and test method for passive thermal imaging detection |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311130692.7A CN116858702A (en) | 2023-09-04 | 2023-09-04 | Pendulum impact test device and test method for passive thermal imaging detection |
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| CN116858702A true CN116858702A (en) | 2023-10-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117288606A (en) * | 2023-11-27 | 2023-12-26 | 太原理工大学 | Large impact load loading device |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6437334B1 (en) * | 1999-09-16 | 2002-08-20 | Wayne State University | System and method for detecting cracks in a tooth by ultrasonically exciting and thermally imaging the tooth |
| CN104897357A (en) * | 2015-04-08 | 2015-09-09 | 东北大学 | Metal sheet spot-welding joint impact performance test device and method |
| CN105716824A (en) * | 2016-04-14 | 2016-06-29 | 公安部交通管理科学研究所 | Pendulum type automobile instrument collision test device |
| CN106644766A (en) * | 2017-01-16 | 2017-05-10 | 中国电力科学研究院 | Apparatus and method for testing shear tolerance strength of head of disk-shaped suspension type insulator |
| CN216746683U (en) * | 2022-02-15 | 2022-06-14 | 浙江当代风机有限公司 | Vertical dryer flanger research and development is with anti striking testing arrangement |
| CN114646551A (en) * | 2022-02-28 | 2022-06-21 | 东南大学 | Steel-composite material anti-collision facility structure impact resistance device and evaluation method |
| CN217484073U (en) * | 2021-09-28 | 2022-09-23 | 重庆市海龙模具有限公司 | Impact testing machine |
| CN115326604A (en) * | 2022-08-19 | 2022-11-11 | 郑州大学 | Pendulum type concrete impact test device and test method |
| WO2023048161A1 (en) * | 2021-09-21 | 2023-03-30 | 国立大学法人東海国立大学機構 | Interface information identification device, interface information identification method, program, internal information identification device, and optical heating device |
| CN115979850A (en) * | 2023-01-16 | 2023-04-18 | 吉林大学 | Pendulum bob-electromagnetic synergistic acceleration impact pressing in-situ testing device |
| CN116002068A (en) * | 2023-03-22 | 2023-04-25 | 中国空气动力研究与发展中心设备设计与测试技术研究所 | Impact water-entering sliding track of water high-speed dragging system and design and use method thereof |
-
2023
- 2023-09-04 CN CN202311130692.7A patent/CN116858702A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6437334B1 (en) * | 1999-09-16 | 2002-08-20 | Wayne State University | System and method for detecting cracks in a tooth by ultrasonically exciting and thermally imaging the tooth |
| CN104897357A (en) * | 2015-04-08 | 2015-09-09 | 东北大学 | Metal sheet spot-welding joint impact performance test device and method |
| CN105716824A (en) * | 2016-04-14 | 2016-06-29 | 公安部交通管理科学研究所 | Pendulum type automobile instrument collision test device |
| CN106644766A (en) * | 2017-01-16 | 2017-05-10 | 中国电力科学研究院 | Apparatus and method for testing shear tolerance strength of head of disk-shaped suspension type insulator |
| WO2023048161A1 (en) * | 2021-09-21 | 2023-03-30 | 国立大学法人東海国立大学機構 | Interface information identification device, interface information identification method, program, internal information identification device, and optical heating device |
| CN217484073U (en) * | 2021-09-28 | 2022-09-23 | 重庆市海龙模具有限公司 | Impact testing machine |
| CN216746683U (en) * | 2022-02-15 | 2022-06-14 | 浙江当代风机有限公司 | Vertical dryer flanger research and development is with anti striking testing arrangement |
| CN114646551A (en) * | 2022-02-28 | 2022-06-21 | 东南大学 | Steel-composite material anti-collision facility structure impact resistance device and evaluation method |
| CN115326604A (en) * | 2022-08-19 | 2022-11-11 | 郑州大学 | Pendulum type concrete impact test device and test method |
| CN115979850A (en) * | 2023-01-16 | 2023-04-18 | 吉林大学 | Pendulum bob-electromagnetic synergistic acceleration impact pressing in-situ testing device |
| CN116002068A (en) * | 2023-03-22 | 2023-04-25 | 中国空气动力研究与发展中心设备设计与测试技术研究所 | Impact water-entering sliding track of water high-speed dragging system and design and use method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117288606A (en) * | 2023-11-27 | 2023-12-26 | 太原理工大学 | Large impact load loading device |
| CN117288606B (en) * | 2023-11-27 | 2024-01-23 | 太原理工大学 | Large impact load loading device |
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