LU602136B1 - Impact testing machine with adjustable impact positions and usage method - Google Patents

Impact testing machine with adjustable impact positions and usage method

Info

Publication number
LU602136B1
LU602136B1 LU602136A LU602136A LU602136B1 LU 602136 B1 LU602136 B1 LU 602136B1 LU 602136 A LU602136 A LU 602136A LU 602136 A LU602136 A LU 602136A LU 602136 B1 LU602136 B1 LU 602136B1
Authority
LU
Luxembourg
Prior art keywords
impact
support disk
testing machine
adjustable
pile
Prior art date
Application number
LU602136A
Other languages
German (de)
Inventor
Weicheng Wang
Jierula Alipujiang
Original Assignee
Univ Xinjiang
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Univ Xinjiang filed Critical Univ Xinjiang
Application granted granted Critical
Publication of LU602136B1 publication Critical patent/LU602136B1/en

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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
    • G01N3/02—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
    • G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
    • G01N3/307—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated by a compressed or tensile-stressed spring; generated by pneumatic or hydraulic means
    • 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
    • G01N2203/0032—Generation of the force using mechanical means
    • G01N2203/0035—Spring

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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 Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The present invention belongs to the technical field of civil engineering and discloses an impact testing machine with adjustable impact positions and a usage method. The device includes an impact platform, on which an operation console is installed for controlling the device operation and observing experimental results. A support disk is fixed to the top of the impact platform and is used to secure the test specimen. A lifting frame is arranged on the top of the impact platform, equipped with an adjustment assembly, and the adjustment assembly corresponds vertically with the support disk. An impact mechanism includes an impact device mounted at the bottom of the adjustment assembly, with an impact pile at the bottom of the impact device aligned with the support disk to impact the test specimen on the support disk. The invention features a simple and compact structure, ease of use.

Description

DESCRIPTION
IMPACT TESTING MACHINE WITH ADJUSTABLE IMPACT POSITIONS AND
USAGE METHOD
TECHNICAL FIELD
The present invention belongs to the technical field of civil engineering, particularly relating to an impact testing machine with adjustable impact positions and a usage method.
BACKGROUND
Impact testing machines are devices used to evaluate the performance and behavior of materials under impact loads. They are widely applied in material science, engineering, quality control, and research and development to assess material toughness, strength, and impact resistance.
In existing impact testing machines, the impact position is typically fixed, which limits their testing range and flexibility. For example, for specimens of special shapes or sizes, a fixed impact position may not accurately simulate real-world impact conditions, thereby affecting the accuracy and reliability of test results. Additionally, for different types of materials, such as metals, plastics, and composites, their mechanical properties vary significantly, and a fixed impact position may not provide optimal testing conditions or detailed and realistic test data.
Therefore, this application designs an impact testing machine with adjustable impact positions and a usage method to address the aforementioned technical issues.
SUMMARY
LU602136
To solve the above technical problems, the present invention proposes an impact testing machine with adjustable impact positions and a usage method, which overcomes the limitations of existing technologies by introducing an adjustable impact position mechanism.
To achieve the above objective, the present invention provides an impact testing machine with adjustable impact positions, comprising: an impact platform, equipped with an operation console for controlling device operation and observing experimental results: a support disk, where the support disk is fixed to the top of the impact platform for securing the test specimen, and the fixed position of the support disk can be adjusted at the top of the impact platform; a lifting frame, arranged on the top of the impact platform, equipped with an adjustment assembly, and the adjustment assembly corresponds vertically with the support disk; an impact mechanism, including an impact device mounted at the bottom of the adjustment assembly, where the bottom end of the impact device is provided with an impact pile corresponding to the support disk, and the impact pile impacts the test specimens on the support disk.
Preferably, the top of the impact platform is provided with several circular slots, and the bottom of the support disk is fixedly connected with circular columns that match the circular slots; the circular columns are inserted and fixed into the circular slots.
Preferably, the adjustment assembly includes first convex grooves correspondingly arranged on the front and rear crossbars of the lifting frame. A suspension rod is slidably arranged between the two first convex grooves, and the impact device is slidably mounted on the suspension rod.
Preferably, both ends of the suspension rod are equipped with first pulleys that match the first convex grooves. The first pulleys slide within the first convex grooves and are electrically connected to the operation console.
Preferably, each first pulley consists of coaxially arranged inner and outer rings. The inner ring is fixedly sleeved on the end of the suspension rod, while the outer ring is rotatably connected to the inner ring and rolls in contact with the first convex groove. The inner ring is electrically connected to the operation console.
Preferably, the suspension rod is provided with a second convex groove perpendicular to the first convex groove. A second pulley is slidably engaged in the 92198 second convex groove and is rotatably installed within the impact device. The second pulley is electrically connected to the operation console.
Preferably, the top of the impact device is equipped with a lifting device electrically connected to the operation console. The lifting device is detachably connected to several sliding rods arranged in a ring, and the sliding rods (14) pass through the impact device and are fixedly connected to the impact pile.
Preferably, the inner cavity of the impact device is equipped with a high-strength spring. The bottom of the high-strength spring is fixedly connected to a transmission plate that slides with the sliding rods, and the impact pile is fixed to the bottom of the transmission plate.
A usage method for the impact testing machine with adjustable impact positions includes the following steps: determine the position of the support disk based on the test specimen and requirements, and install it on the impact platform; fix the test specimen on the support disk; adjust the position of the impact device via the adjustment assembly to align the impact pile vertically with the test specimen on the support disk; control the height of the lifting frame to lower the impact pile until it contacts the test specimen; activate the impact device to perform the impact test on the test specimen using the impact pile.
Preferably, the impact process on the test specimen includes the following steps: control the lifting device to lock the sliding rods, facilitating the movement of the sliding rod; raise the lifting device to pull the transmission plate upward via the sliding rods, lifting the impact pile and compressing the high-strength spring; record the compression amount of the spring once the high-strength spring (15) reaches the set distance; release the locking of the sliding rods by the lifting device, allowing the high-strength spring to reset and propel the impact pile to strike the test specimen.
Compared with existing technologies, the present invention has the following advantages and technical effects: an impact testing machine with adjustable impact 002196 positions and a usage method disclosed in this invention feature a stable impact platform as the base, ensuring device stability while protecting internal structures. The support disk is movably connected to the impact platform, allowing it to be positioned at different locations based on testing requirements, enabling precise impact tests on specimens of various sizes and shapes. The device is easy to use, highly flexible, and capable of accurately assessing material performance under specific impact conditions, thereby improving the reliability of test results. The lifting frame is adjustably mounted on the impact platform, accommodating different test specimens and allowing the impact pile to target various specimens, expanding the scope of application. The device can simulate a wide range of real-world impact scenarios, providing customized testing solutions for different materials and applications. The impact force of the impact device is adjustable, making it suitable for testing different materials.
The invention features a simple and compact structure, ease of use, strong adaptability, and the ability to conduct impact tests on specimens of different materials and specifications. It can simulate various types of impact tests and is suitable for testing multiple materials and standards, meeting a wide range of engineering and research needs.
BRIEF DESCRIPTION OF THE FIGURES
LU602136
The accompanying drawings, which form part of this application, provide further understanding of the invention. The illustrative embodiments and their descriptions are intended to explain the invention and do not limit its scope. In the drawings:
Fig. 1 is an axonometric view of the impact testing machine with adjustable impact positions;
Fig. 2 is a schematic diagram of the testing structure of the impact testing machine with adjustable impact positions;
Fig. 3 is a top view of the impact testing machine with adjustable impact positions;
Fig. 4 is a partial enlarged view of section À in Fig. 2;
Fig. 5 is a top view of the impact device;
Fig. 6 is an axonometric view of the support disk;
Fig. 7 is a top view of the lifting device;
Fig. 8 is an axonometric view of the suspension rod.
Reference numerals in the drawings: 1. lifting frame; 2. first pulley; 3. first convex groove; 4. impact device; 5. impact pile; 6. operation console; 7. hydraulic gauge; 8. impact platform; 9. first spring wire; 10. lifting device; 11. circular slot; 12. second spring wire; 13. suspension rod; 14. sliding rod; 15. high-strength spring; 16. nut; 17. support disk; 18. second pulley; 19. second convex groove; 20. transmission plate; 21. circular column.
DESCRIPTION OF THE INVENTION
LU602136
The technical solutions in the embodiments of the invention will be clearly and completely described below with reference to the accompanying drawings. It is evident that the described embodiments are only a part of the invention, not all of them. Based on the embodiments of the invention, all other embodiments obtained by those skilled in the art without creative effort shall fall within the scope of protection of the invention.
To make the above objectives, features, and advantages of the invention more comprehensible, the invention is further described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in Fig. 1-Fig. 8, this embodiment provides an impact testing machine with adjustable impact positions, comprising: an impact platform 8, equipped with an operation console 6 for controlling device operation and observing experimental results: a support disk 17, where the support disk 17 is fixed to the top of the impact platform 8 for securing the test specimen, and the fixed position of the support disk 17 can be adjusted at the top of the impact platform 8; a lifting frame 1, which is arranged on the top of the impact platform 8, equipped with an adjustment assembly, and the adjustment assembly corresponds vertically with the support disk 1 7; an impact mechanism, including an impact device 4 mounted at the bottom of the adjustment assembly, where the bottom end of the impact device 4 is provided with an impact pile 5 corresponding to the support disk 17, and the impact pile 5 impacts the test specimens on the support disk 17.
The invention discloses an impact testing machine with adjustable impact positions and a usage method. The impact platform 8 serves as the base, ensuring device stability while protecting internal structures. The support disk 17 is movably connected to the impact platform 8, allowing it to be positioned at different locations based on testing requirements, enabling precise impact tests on specimens of various sizes and shapes.
The device is easy to use, highly flexible, and capable of accurately assessing material performance under specific impact conditions, thereby improving the reliability of test results.
The lifting frame 1 is set up on the support platform and can be used for different test specimens, allowing the impact pile 5 of the impact mechanism to conduct impact tests 094196 on different test specimens, expanding its applicability and simulating more types of actual impact situations, providing customized testing solutions for different materials and applications. The impact force of the impact device 4 can be flexibly adjusted and tested for different materials. The present invention has a simple and compact structure, is easy to use, and has strong applicability. It can perform impact tests on test specimens of different materials and specifications, simulate different types of impact tests, and is suitable for testing various materials and standards, meeting a wider range of engineering and scientific research needs.
Further, the operation console 6 in this embodiment is equipped with buttons and a display screen for controlling the impact test and displaying test results.
Further, the impact platform 8 is internally equipped with several hydraulic cylinders, which are interlocked and controlled to drive the lifting frame 1 to lift and adjust the height of the impact device 4.
Further, the side wall of the impact platform 8 is equipped with a pressure gauge connected to the hydraulic cylinders for monitoring their operational status.
In a further optimized solution, the top of the impact platform 8 is provided with several circular slots 11, and the bottom of the support disk 17 is fixedly connected with circular columns 21 that match the circular slots 11. The circular columns 21 are inserted and fixed into the circular slots 11. The bottom end of the support plate 17 is fixed with a circular column 21, which can be inserted into the circular slot 11 for fixation, so that the support disk 17 is fixed on the impact platform 8, and the position of the support plate 17 can be easily adjusted for testing at different positions.
In a further optimized solution, the adjustment assembly includes first convex grooves 3 correspondingly arranged on the front and rear crossbars of the lifting frame 1.
A suspension rod 13 is slidably arranged between the two first convex grooves 3, and the impact device 4 is slidably mounted on the suspension rod 13. The suspension rod 13 can slide along the impact device 4 to adjust its front and rear position, while the suspension rod 13 itself can slide within the first convex grooves 3 to adjust its left and right position. The two work together to adjust the position of the adjustment component in the horizontal plane, thereby aligning the impact pile 5 with the test specimen vertically, facilitating the impact test.
In a further optimized solution, both ends of the suspension rod 13 are equipped with first pulleys 2 that match the first convex grooves 3. The first pulleys 2 slide within the first 02100 convex grooves 3 and are electrically connected to the operation console 6. The first pulley 2 slides and is clamped in the first convex groove 3, which can be adjusted and locked, and the position of the first pulley 2 in the first convex groove 3 can be electrically controlled through the operation console 6. When adjustment is required, the two first pulleys 2 are controlled to rotate through the operating console 6, so that the two first pulleys 2 move within the two first convex grooves 3 respectively, thereby causing the suspension pipe to translate left and right on the lifting frame 1.
In a further optimized solution, each first pulley 2 consists of coaxially arranged inner and outer rings. The inner ring is fixedly sleeved on the end of the suspension rod 13, while the outer ring is rotatably connected to the inner ring and rolls in contact with the first convex groove 3. The inner ring is electrically connected to the operation console 6.
The inner ring of the first pulley 2 is fixed to the end of the suspension rod 13, used to support and fix the suspension rod 13. The outer ring is rotatably connected outside the inner ring, and there is an electronic component inside the inner ring to control the rotation or stop and lock of the outer ring, thereby allowing the suspension rod 13 to move left and right on the support frame.
In a further optimized solution, the suspension rod 13 is provided with a second convex groove 19 perpendicular to the first convex groove 3. A second pulley 18 is slidably engaged in the second convex groove 19 and is rotatably installed within the impact device 4. The second pulley 18 is electrically connected to the operation console 6. The second convex groove 19 on the suspension rod 13 is vertically arranged with the first convex groove 3. The impact device 4 can move forward and backward along the suspension rod 13. The second pulley 18 rotating inside the impact device 4 is similar in structure and principle to the first pulley 2, so that the second pulley 18 can drive the impact device 4 to translate in the forward and backward directions of the lifting frame 1 along the suspension rod 13.
Further, the structure and working principle of the second pulley 18 in this embodiment are the same as those of the first pulleys 2 and will not be repeated here.
Further, the electrical connection on the operation console 6 is connected to the first spring wire 9, which is electrically connected to the electronic components inside the first pulley 2 and the second pulley 18, respectively. The movement of the first pulley 2 and the second pulley 18 can be controlled through the operation console 6.
In a further optimized solution, the top of the impact device 4 is equipped with a lifting device 10 electrically connected to the operation console 6. The lifting device 10 jg 002190 detachably connected to several sliding rods 14 arranged in a ring, and the sliding rods 14 pass through the impact device 4 and are fixedly connected to the impact pile 5. The lifting device 10 is electrically connected to the operation console 6 through the second spring wire 12, which can control the lifting interaction of the lifting device at the top of the impact device 4, and also control the locking and releasing of the sliding rod 14 by the lifting device. When in use, first lock the sliding rod 14, then use the lifting device to drive the impact pile 5 to rise, and then release the locking of the sliding rod 14 through the operation console 6. The sliding rod 14 slides down, and the impact pile 5 impacts the test specimen.
In a further optimized solution, the inner cavity of the impact device 4 is equipped with a high-strength spring 15. The bottom of the high-strength spring 15 is fixedly connected to a transmission plate 20 that slides with the sliding rods 14, and the impact pile 5 is fixed to the bottom of the transmission plate 20. The impact pile 5 is fixed to the transmission plate 20, which slides within the inner cavity of the impact device 4 to adjust the impact height of the impact pile 5. The sliding rods 14 are locked to the transmission plate 20 via several nuts 16. Several high-strength springs 15 are arranged between the inner cavity of the impact device 4 and the transmission plate 20. When the transmission plate 20 is raised, the high-strength springs 15 are compressed, and during impact, the high-strength springs 15 are reset, and their elastic potential energy is converted into the impact potential energy of the impact pile 5, achieving different strength impacts on the test specimens.
Further, the impact device in this embodiment is equipped with a pressure gauge in contact with the transmission plate 20 and electrically connected to the operation console 6. When conducting the impact test, when the impact pile 5 strikes the test specimen, the transmission plate 20 contacts the pressure gauge, allowing the impact load to be accurately read on the display screen of the operation console 6, thereby improving the precision of test data.
Further, the elastic potential energy of high-strength spring 15 can be calculated based on the compression amount, which can be determined by the lifting height of the lifting device, and thus the potential energy of high-strength spring 15 can be calculated.
Further, the high-strength spring 15 in this embodiment can be easily replaced to provide different impact forces.
Further, the impact platform 8, lifting frame 1, sliding rods 14, impact device 4, lifting device 10, first pulleys 2, second pulley 18, suspension rod 13, and support disk 17 iy 202199 this embodiment are all made of high-strength materials.
A usage method for the impact testing machine with adjustable impact positions includes the following steps: determine the position of the support disk 17 based on the test specimen and requirements, and install it on the impact platform 8; fix the test specimen on the support disk; adjust the position of the impact device 4 via the adjustment assembly to align the impact pile 5 vertically with the test specimen on the support disk; control the height of the lifting frame 1 to lower the impact pile 5 until it contacts the test specimen; activate the impact device 4 to perform the impact test on the test specimen using the impact pile 5.
In a further optimized solution, the impact process on the test specimen includes the following steps: control the lifting device 10 to lock the sliding rods 14, facilitating the movement of the sliding rod 14; raise the lifting device 10 to pull the transmission plate 20 upward via the sliding rods 14, lifting the impact pile 5 and compressing the high-strength spring 15; record the compression amount of the spring once the high-strength spring 15 reaches the set distance; release the locking of the sliding rods 14 by the lifting device, allowing the high- strength spring 15 to reset and propel the impact pile 5 to strike the test specimen.
Testing method:
Based on the test specimen and requirements, determine the position and size of the support disk 17 and install it. Fix the test specimen on the support disk 17 and use the operation console 6 to adjust the positions of the first pulleys 2 and the second pulley 18, moving the impact device 4 above the desired impact location. Use the operation console 6 to control the hydraulic cylinders and adjust the height of the lifting frame 1, bringing the impact pile 5 into contact with the test specimen. Determine the compression length of the high-strength spring 15 based on the required impact load. After confirmation via the operation console 6, the lifting device 10 pulls the sliding rods 14 upward, raising the impact pile 5 and compressing the high-strength spring 15.
Once the high-strength spring 15 is compressed to the preset distance, the lifting device 10 releases the sliding rods 14, allowing the high-strength spring 15 to propel the 92198 impact pile 5. After striking the specimen, the impact pile 5 retracts slightly into the impact device 4 to avoid secondary impacts.
In the description of the invention, it should be understood that terms such as "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer" indicate orientations or positional relationships based on those shown in the drawings. These terms are used only for ease of description and do not imply that the described device or component must have a specific orientation or be constructed and operated in a specific manner. Therefore, these terms should not be construed as limiting the invention.
The embodiments described above are merely illustrative of the preferred implementations of the invention and do not limit its scope. Any modifications or improvements made by those skilled in the art without departing from the spirit of the invention shall fall within the scope of protection defined by the claims of the invention.

Claims (10)

CLAIMS LU602136
1. An impact testing machine with adjustable impact positions, characterized by including: an impact platform (8), on which an operation console (6) is installed for controlling the device operation and observing experimental results: a support disk (17), where the support disk (17) is fixed to the top of the impact platform (8) to secure the test specimen, and the fixed position of the support disk (17) can be adjusted at the top of the impact platform (8); a lifting frame (1), which is arranged on the top of the impact platform (8), and equipped with an adjustment assembly, and the adjustment assembly corresponds vertically with the support disk (17); an impact mechanism, including an impact device (4) mounted at the bottom of the adjustment assembly, where the bottom end of the impact device (4) is provided with an impact pile (5) corresponding to the support disk (17), and the impact pile (5) impacts the test specimens on the support disk (17).
2. The impact testing machine with adjustable impact positions according to claim 1, characterized in that: the top of the impact platform (8) is provided with several circular slots (11), and the bottom of the support disk (17) is fixedly connected with circular columns (21) that match the circular slots (11); the circular columns (21) are inserted and fixed into the circular slots (11).
3. The impact testing machine with adjustable impact positions according to claim 1, characterized in that: the adjustment assembly includes first convex grooves (3) correspondingly arranged on the front and rear crossbars of the lifting frame (1); a suspension rod (13) is slidably arranged between the two first convex grooves (3), and the impact device (4) is slidably mounted on the suspension rod (13).
4. The impact testing machine with adjustable impact positions according to claim 3, characterized in that: both ends of the suspension rod (13) are equipped with first pulleys (2) that match the first convex grooves (3); the first pulleys (2) slide within the first convex grooves (3) and are electrically connected to the operation console (6).
5. The impact testing machine with adjustable impact positions according to claim 4, characterized in that: each first pulley (2) consists of coaxially arranged inner and outer 92798 rings; the inner ring is fixedly sleeved on the end of the suspension rod (13), while the outer ring is rotatably connected to the inner ring and rolls in contact with the first convex groove (3); the inner ring is electrically connected to the operation console (6).
6. The impact testing machine with adjustable impact positions according to claim 3, characterized in that: the suspension rod (13) is provided with a second convex groove (19) perpendicular to the first convex groove (3); a second pulley (18) is slidably engaged in the second convex groove (19) and is rotatably installed within the impact device (4); the second pulley (18) is electrically connected to the operation console (6).
7. The impact testing machine with adjustable impact positions according to claim 4, characterized in that: the top of the impact device (4) is equipped with a lifting device (10) electrically connected to the operation console (6); the lifting device (10) is detachably connected to several sliding rods (14) arranged in a ring, and the sliding rods (14) pass through the impact device (4) and are fixedly connected to the impact pile (5).
8. The impact testing machine with adjustable impact positions according to claim 7, characterized in that: the inner cavity of the impact device (4) is equipped with a high- strength spring (15); the bottom of the high-strength spring (15) is fixedly connected to a transmission plate (20) that slides with the sliding rods (14), and the impact pile (5) is fixed to the bottom of the transmission plate (20).
9. A usage method for the impact testing machine with adjustable impact positions, according to the impact testing machine with adjustable impact positions of any one ES claims 1-8, characterized by including the following steps: determine the position of the support disk (17) based on the test specimen and requirements, and install it on the impact platform (8); fix the test specimen on the support disk; adjust the position of the impact device (4) via the adjustment assembly to align the impact pile (5) vertically with the test specimen on the support disk; control the height of the lifting frame (1) to lower the impact pile (5) until it contacts the test specimen; activate the impact device (4) to perform the impact test on the test specimen using the impact pile (5).
10. The usage method for the impact testing machine with adjustable impact positions according to claim 9, characterized in that the impact process on the test specimen includes the following steps: control the lifting device (10) to lock the sliding rods (14), facilitating the movement of the sliding rod (14); raise the lifting device (10) to pull the transmission plate (20) upward via the sliding rods (14), lifting the impact pile (5) and compressing the high-strength spring (15); record the compression amount of the spring once the high-strength spring (15) reaches the set distance; release the locking of the sliding rods (14) by the lifting device, allowing the high- strength spring (15) to reset and propel the impact pile (5) to strike the test specimen.
LU602136A 2024-10-21 2025-06-18 Impact testing machine with adjustable impact positions and usage method LU602136B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202411467190.8A CN119198396A (en) 2024-10-21 2024-10-21 Impact testing machine capable of adjusting impact position and use method

Publications (1)

Publication Number Publication Date
LU602136B1 true LU602136B1 (en) 2025-12-18

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Application Number Title Priority Date Filing Date
LU602136A LU602136B1 (en) 2024-10-21 2025-06-18 Impact testing machine with adjustable impact positions and usage method

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CN (1) CN119198396A (en)
LU (1) LU602136B1 (en)

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Effective date: 20251218