High-impact-force vibration testing device resistant to high and low temperatures and using method

Abstract

The invention relates to the field of testing or analyzing materials by means of measuring chemical or physical properties of the materials, in particular to a high impact vibration testing device resistant to high and low temperatures and a use method, comprising an impact terminal comprising an output end of a direct impact product; the power rammer comprises an impact end for pushing the impact terminal to move and an air path; a reset member; the air cylinder body comprises a cavity suitable for placing the impact terminal and the power rammer; the method comprises the following steps: S1, introducing high-pressure gas into a cavity through a gas inlet and a gas path, and S2, enabling an impact end to be in contact with an input end to drive an impact terminal to move in the cavity, and stopping introducing the high-pressure gas into the cavity; s3, after the output end impacts the product, the impact terminal stops moving; and S4, the reset piece works to pull the impact terminal to reset. According to the high-impact-force vibration testing device resistant to high and low temperatures and the using method, the adaptability of the vibration device to the temperature is improved, and large impact force can be provided.

Description

Technical Field

[0001] The invention relates to the field of testing or analyzing materials by means of determining the chemical or physical properties of the materials, and in particular to a high-impact vibration testing device resistant to high and low temperatures and a use method thereof. Background Art

[0002] The electromagnetic vibration device, or electromagnetic vibration test bench, works on the principle of electromagnetic induction. It consists of a magnetic field system and an energized coil. When current passes through the coil, according to Ampere's law, the coil will be acted upon by a force in the magnetic field. The magnitude of this force is related to the current intensity, the number of coil turns, and the magnetic field intensity. The specific process of vibration generation is as follows: after the energized coil is acted upon by the electromagnetic force, it will drive the vibration table to move. The vibration table and the coil are usually rigidly connected or connected through a transmission mechanism. When the coil reciprocates in the magnetic field, the end face or table of the vibration device also vibrates reciprocatingly. The frequency of the vibration can be changed by changing the frequency of the current. The amplitude of the vibration can be changed by changing the magnitude of the current.

[0003] Due to the temperature physical characteristics of magnetic force, vibration devices based on electromagnetic induction drive can only ensure stable operation within the temperature range of -20 to 100°C; electromagnetic vibration devices cannot operate stably within the temperature range of less than -20°C and greater than 100°C. There is a technical problem that the electromagnetic vibration device has a small operating temperature range, and there is an urgent need to design a new test device.

[0004] It should be noted that the above information disclosed in this background technology section is only for understanding the background technology of the present application concept, and therefore, it may contain information that does not constitute the prior art. Summary of the invention

[0005] The purpose of the present invention is to provide a high impact vibration testing device and a method of using the device to solve the above problems.

[0006] In order to achieve the above object, the present invention provides the following technical solutions:

[0007] High impact vibration test device with high and low temperature resistance, including:

[0008] Impact terminal, which includes the output terminal of the direct impact product;

[0009] A power hammer, which includes an impact end that pushes the impact terminal to move and a gas path that serves as a gas passage;

[0010] Reset parts;

[0011] A cylinder body, comprising a cavity suitable for placing an impact terminal and a power hammer, wherein a side wall of the cylinder body is provided with an air outlet and an air inlet;

[0012] The air inlet ventilates the cavity through the air path to drive the power hammer to move, so as to provide a sufficiently large impact force under both high and low temperature conditions. The power hammer drives the impact terminal to move a certain distance and then separates from the power hammer. The impact terminal continues to move for a certain distance and then is pulled back to its original position by the reset member.

[0013] In an optional embodiment, the cylinder body further comprises a first blocking surface and a second blocking surface for limiting two extreme positions of the impact terminal;

[0014] The impact terminal also includes an input end located between the first blocking surface and the second blocking surface;

[0015] One end of the reset member is connected to the input end, and the other end of the reset member is in contact with the first blocking surface, so that the reset member is suitable for pushing the input end to abut against the second blocking surface.

[0016] In an optional embodiment, the impact end is located at the end of the power hammer away from the gas path, so that when there is high-pressure gas in the gas path and the cavity, it is suitable for driving the impact end to drive the input end.

[0017] In an optional embodiment, the gas circuit includes a first airway and a second airway that are interconnected;

[0018] The first airway is connected to the cavity;

[0019] The second air channel is suitable for communicating with the air outlet or the air inlet, so as to connect the air outlet or the air inlet with the cavity.

[0020] In an optional embodiment, the first air passage passes through an end of the power hammer away from the impact terminal, so that the high-pressure gas is suitable for driving the power hammer to move;

[0021] The number of the second airway is not less than one.

[0022] In an optional embodiment, the power hammer further includes a contact surface;

[0023] The cylinder body also includes a limiting surface suitable for abutting the contact surface to limit the movement distance of the power hammer in the cavity;

[0024] The contact surface and the limiting surface are both planes.

[0025] In a second aspect, the embodiments of the present disclosure also provide a high impact vibration test device resistant to high and low temperatures, comprising:

[0026] Impact terminal, which includes the output terminal of the direct impact product;

[0027] A power hammer, which includes an impact end that pushes the impact terminal to move and a gas path that serves as a gas passage;

[0028] Reset parts;

[0029] A cylinder body, comprising a cavity suitable for placing an impact terminal and a power hammer, wherein a side wall of the cylinder body is provided with an air outlet and an air inlet;

[0030] The air inlet vents air into the cavity through the air path to drive the power hammer to move, so as to provide a sufficiently large impact force under both high and low temperature conditions. The power hammer drives the impact terminal to move a certain distance and then separates from the power hammer. The impact terminal continues to move a certain distance and then is pulled back by the reset member.

[0031] Part of the side surfaces of the impact terminal and the power hammer are sealed and connected to the side wall of the cavity;

[0032] The cross sections of the impact terminal, the power hammer and the cavity are all circular.

[0033] In an optional embodiment, the cylinder body further comprises a first blocking surface and a second blocking surface for limiting two extreme positions of the impact terminal;

[0034] The impact terminal also includes an input end located between the first blocking surface and the second blocking surface;

[0035] One end of the reset member is connected to the input end, and the other end of the reset member is in contact with the first blocking surface, so that the reset member is suitable for pushing the input end to abut against the second blocking surface.

[0036] The method for using the high impact vibration test device resistant to high and low temperatures comprises the following steps:

[0037] Step S1, passing high-pressure gas into the cavity through the gas inlet and the gas path, so that the high-pressure gas between the end of the cavity and the power hammer drives the power hammer to move;

[0038] Step S2, the impact end contacts the input end to drive the impact terminal to move in the cavity, and the high-pressure gas to the cavity is stopped. Further, the gas outlet is connected to the gas path to continuously discharge the high-pressure gas in the cavity, and the speed of the power hammer is reduced, and then the impact end is separated from the input end, and the power hammer is reset under the action of gravity;

[0039] Step S3, after the output end hits the product, the impact terminal stops moving, and at this time, the input end is close to the first blocking surface;

[0040] Step S4, the reset member works to pull the impact terminal to reset until the input end contacts the second blocking surface.

[0041] In an optional embodiment, after the gas outlet is connected to the second gas channel in step S2, the contact surface of the power hammer contacts the limit surface again, so that the high-pressure gas in the cavity can be discharged;

[0042] After the output end stops hitting the product in step S3, the input end is separated from the first blocking surface.

[0043] The beneficial effects of the present invention are: providing a high-impact vibration testing device that is resistant to high and low temperatures and a method of use. By using an impact terminal, a power hammer, a reset part and a cylinder body in coordination with each other, a high-impact vibration testing device that is resistant to high and low temperatures is manufactured to replace an electromagnetic vibration device, thereby achieving the effect of testing products within the range of -100 to 200°C, improving the adaptability of the vibration device to temperature, being able to provide a greater impact force, and reducing the space occupied by the vibration device. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0045] Figure 1 A diagram showing the device design objectives and part property simulation results for a high impact vibration testing device resistant to high and low temperatures provided in an embodiment of the present disclosure.

[0046] Figure 2 A working principle diagram of the high impact thrust generated by the high and low temperature resistant high impact vibration testing device provided in an embodiment of the present disclosure.

[0047] Figure 3 A working principle diagram of the pneumatic forward direction movement with high vibration amplitude of the high impact vibration testing device resistant to high and low temperatures provided in an embodiment of the present disclosure.

[0048] Figure 4 A working principle diagram of the pneumatic backward movement with high vibration amplitude of the high impact vibration testing device resistant to high and low temperatures provided in an embodiment of the present disclosure.

[0049] Figure 5 A technical rendering of a high-impact vibration testing device that is resistant to high and low temperatures provided in an embodiment of the present disclosure.

[0050] In the figure: 1, impact terminal; 11, output terminal; 12, input terminal;

[0051] 2. Power hammer; 21. Impact end; 22. Air path; 23. First air path; 24. Second air path; 25. Contact surface;

[0052] 3. Reset parts;

[0053] 4. Cylinder body; 41. Cavity; 42. Air outlet; 43. Air inlet; 44. First blocking surface; 45. Second blocking surface;

[0054] 46. ​​Limiting surface. DETAILED DESCRIPTION

[0055] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0056] In this article, when it is mentioned that the first component is located on the second component, this may mean that the first component may be directly formed on the second component, or the third component may be interposed between the first component and the second component. In addition, in the drawings, in order to effectively describe the technical content, the thickness of the components may be exaggerated or reduced.

[0057] Herein, example embodiments of the present disclosure will be described in more detail with reference to the accompanying drawings. As used herein, expressions such as "at least one of..." modify the entire list of elements when following a list of elements, rather than modifying individual elements in the list. For example, the expression "at least one of a, b, and c" should be understood to include only a, only b, only c, both a and b, both a and c, both b and c, or all of a, b, and c.

[0058] The terms used herein are only used to describe specific exemplary configurations and are not intended to be limiting. As used herein, the singular articles "a", "an", and "the" may also be intended to include plural forms, unless the above text clearly indicates otherwise. The terms "comprise", "include", and "have" are inclusive, thus specifying the presence of features, steps, operations, elements, and / or components, but do not exclude the presence or addition of one or more other features, steps, operations, elements, components, and / or combinations thereof.

[0059] As used herein, the phrases "in one embodiment," "according to one embodiment," "in some embodiments," and the like generally refer to the fact that the particular feature, structure, or characteristic following the phrase may be included in at least one embodiment of the present disclosure. Therefore, a particular feature, structure, or characteristic may be included in more than one embodiment of the present disclosure, so that these phrases do not necessarily refer to the same embodiment. As used herein, the terms "example," "exemplary," and the like are used to "serve as an example, instance, or illustration." Any implementation, aspect, or design described herein as "example" or "exemplary" is not necessarily to be construed as preferred or superior to other implementations, aspects, or designs. On the contrary, the use of the terms "example," "exemplary," and the like is intended to present concepts in a concrete manner.

[0060] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0061] Some embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0062] The main function of the high-impact vibration test device that is resistant to high and low temperatures is to generate high vibration amplitude and high impact thrust, and to adapt to high and low temperature working environments; the working principle of the high-impact vibration test device that is resistant to high and low temperatures to generate high impact thrust is: the high-impact vibration test device that is resistant to high and low temperatures is a cylinder structure, including a cylindrical empty chamber, which contains a piston driven by high-pressure gas, which converts the air pressure into kinetic energy of high-speed movement of the piston.

[0063] The high-impact vibration test device resistant to high and low temperatures consists of four structures: an impact terminal 1, a power hammer 2, a reset member 3, and a cylinder body 4; the high-pressure gas drives the power hammer 2 to move, and the power hammer 2 transmits the mechanical vibration energy to the impact terminal 1 through impact, and the end face of the impact terminal 1 generates a thrust F; the thrust F, stroke S and frequency f of the impact terminal 1 are the main design parameters of the device; the impact terminal 1 of the device, under the condition that the stroke S remains unchanged at 15mm and the frequency f is maintained at least above 1000Hz, as the pressure of the input high-pressure gas increases, the thrust F increases proportionally, and the thrust F design range is 100~300Kg, and the corresponding pressure range of the input high-pressure gas is 0.1~1MPa.

[0064] The following parameters need to be further calculated and selected: the mass m1 of the impact terminal 1, the mass m2 of the power hammer 2, and the force area A when the impact terminal 1 and the power hammer 2 collide.

[0065] ‌It can be calculated by the following steps and formula:

[0066] Acceleration can be calculated using Newton's second law, namely F=Ma, thrust F, total mass M, acceleration a, and F=PA, thrust F, air pressure P, force area A.

[0067] F=Ma, is the thrust F of the impact terminal 1, the total mass M is the mass of the impact terminal 1 plus the mass of the power hammer 2, and the acceleration a is the acceleration of the impact terminal 1.

[0068] F=PA, the thrust F of the impact terminal 1, the air pressure P provided by the cylinder body 4, and the force area A of the impact terminal 1.

[0069] The frequency f is a cyclic function of the acceleration over time based on the stroke S and the total mass M during motion; the magnitude of the thrust F of the impact terminal 1 depends on the effective area of ​​action; these require simulation technology, finite element analysis, and simulation of the ventilation movement effect; adjust and evaluate the part properties of the impact terminal 1 and the power hammer 2, that is, to obtain the mass m1 of the impact terminal 1, the mass m2 of the power hammer 2, and the force area A of the impact terminal 1; the finite element analysis simulation obtains: the part properties of the impact terminal 1 and the power hammer 2: the mass m1 of the impact terminal 1: 0.1Kg, the mass m2 of the power hammer 2: 0.55Kg, the force area A of the impact terminal 1: 452.16 mm², the aperture of the air inlet of the power hammer 2 ф3.1 mm, the aperture of the air outlet of the power hammer 2 ф4.8 mm (reference Figure 1 and Figure 2 ).

[0070] The working principle of the device to generate high vibration amplitude is: the mechanical reciprocating work of the impact terminal 1 adopts the following technical scheme:

[0071] The cylinder body 4 adopts a double-acting cylinder: it includes an air inlet 43 and an air outlet 42 for air supply and exhaust respectively; when the high-pressure gas enters the cylinder body 4 from the air inlet 43, it pushes the power hammer 2 to move forward; and when the high-pressure gas is discharged from the air outlet 42, the power hammer 2 is reset, and the double-acting cylinder body 4 is reset with the help of the reset member 3, so that continuous mechanical reciprocating motion can be achieved.

[0072] A cavity 41 for containing high-pressure gas is provided inside the cylinder body 4, and the cavity 41 is also used to control the direction of movement of the power hammer 2, that is, to guide the power hammer 2; when the high-pressure gas is introduced into the cavity 41, a strong thrust will be generated, thereby driving the power hammer 2 to move, and then colliding with the impact terminal 1; the device uses high-pressure gas as a power source, and drives the power hammer 2 to move by controlling the input of gas. The power hammer 2 moves forward in the cylinder body 4 and hits the impact terminal 1. A return spring, that is, a reset member 3, is installed at the end of the impact terminal 1. The impact terminal 1 can move forward when the power hammer 2 hits, and the impact terminal 1 hits the product. Then when the reset member 3 drives the impact terminal 1 to reset, the impact terminal 1 drives the power hammer 2 to reset as well, thereby realizing the mechanical reciprocating operation of the impact terminal 1.

[0073] The cylinder body 4 is used to store and release high-pressure gas. It is designed with an air inlet 43, which is connected to a high-pressure gas source to provide the high-pressure gas required for the operation of the device. The cylinder body 4 is designed with a gas pressure output port, namely, an air outlet 42, to discharge the high-pressure gas in the cylinder body 4.

[0074] The power hammer 2 is used to strike the impact terminal 1 to make it move; it is used to push the impact terminal 1 to move under the action of the high-pressure gas in the cavity 41, and the impact terminal 1 is pressed and reset by the reset member 3 when the high-pressure gas in the cavity 41 is discharged.

[0075] A reset member 3 , namely a return spring, is installed on the impact terminal 1 to enable the impact terminal 1 to be reset.

[0076] The mechanical reciprocating operation of the impact terminal 1 is composed of three consecutive cycle stages: a driving stage, a holding stage, and a reset stage.

[0077] Driving stage: When high-pressure gas enters the cylinder body 4 through the air inlet 43 of the cylinder body 4, the air inlet 43 of the cylinder body 4 is connected with the air inlet channel of the power hammer 2, and the high-pressure gas is filled into the cavity 41 of the cylinder body 4. The high-pressure gas in the cavity 41 generates thrust, which pushes the power hammer 2 to move forward along the axial direction of the cavity 41, driving the power hammer 2 forward.

[0078] ‌Maintaining stage‌: the power hammer 2 continues to move forward. When the second air channel 24 of the power hammer 2 is connected to the air outlet 42 of the cylinder body 4, the high-pressure gas in the cylinder body 4 will be released to the outside of the cylinder, and the impact power of the power hammer 2 will also disappear; at this time, the power hammer 2 hits the impact terminal 1.

[0079] ‌Reset stage‌: In order to return the impact terminal 1 to the initial position, a spring, i.e., the reset member 3, is provided at the location of the impact terminal 1. When the power hammer 2 is no longer striking, the elastic force of the spring will restore the impact terminal 1 to the initial position, i.e., the input end 12 contacts the second blocking surface 45; at the same time, the impact terminal 1 presses the power hammer 2 to reset, thereby realizing the mechanical reciprocating operation of the impact terminal 1 (refer to Figure 3 and Figure 4 ).

[0080] Working principle of the device working at high temperature:

[0081] The device is pneumatically driven. In the cylinder system, the compressibility of air and the friction between the cylinder and the piston will gradually increase the temperature of the system, which will cause the stability of the pneumatic system to decrease, thus affecting the performance of the device. In order to meet the cooling needs of the device itself and to work in an ambient temperature range of -100 to 250°C, the device uses air at room temperature as the gas source, and a temperature regulation mechanism is designed on the power ram 2: using the working principle of the evaporator, the flowing high-pressure gas exchanges heat with the power ram 2. When the power ram 2 is at a high temperature, the flowing high-pressure gas absorbs heat, thereby achieving a cooling effect; when the power ram 2 is at a low temperature, the flowing high-pressure gas releases heat, thereby achieving a heating effect; in order to improve the heat exchange efficiency of the power ram 2, an incremental path for heat exchange is designed, and a hole with a depth of 60mm and a diameter of Φ10mm is provided on the cylindrical end face of the power ram 2, and two connecting holes are provided in the hole, which are alternately connected to the air inlet 43 and the air outlet 42 of the cylinder body 4; this is a mechanism that allows the device to have its own temperature regulation when working.

[0082] When normal temperature high pressure gas enters the cylinder from the air inlet 43 of the cylinder body 4, it pushes the power hammer 2 to move forward; the flowing high pressure gas exchanges heat with the power hammer 2, and when the power hammer 2 is at a high temperature, the flowing high pressure gas absorbs heat, thereby achieving a cooling effect; when the power hammer 2 is at a low temperature, the flowing high pressure gas releases heat, thereby achieving a heating effect; when the flowing high pressure gas is discharged from the air outlet 42 of the cylinder body 4, the power hammer 2 moves backward and also discharges the high pressure gas from the device; this temperature regulation mechanism is synchronized with the mechanical reciprocating motion of the power hammer 2, and is continuous, so it can meet the cooling requirements of the device itself and the temperature regulation requirements of the device working in an ambient temperature range of -100 to 250°C (reference Figure 5 ).

[0083] Device installation:

[0084] The device is fixedly installed in the vibration test bench through a fixture or a bracket, and the relative position of the input end 11 of the impact terminal 1 and the test platform, the test product, or the test object is adjusted. The distance between the input end 11 and the test product needs to be kept within the device stroke. The stroke of the impact terminal 1 is 15mm, and the orientation is adjusted to ensure that the vibration direction is consistent with the desired test working force direction.

[0085] Place the device together with the test platform, test product, or test object in the test box. Use the box temperature control system to gradually adjust the temperature. Maintain a vibration test for 1 hour at every 10℃ from -100℃ to 250℃ to verify the performance of the device at a working temperature of -100℃ to 250℃.

[0086] Initial setting: Set the high-pressure gas input pressure to 0.6 MPa, the impact stroke to 15 mm, ensure that the thrust generated is 200 Kg, and keep the operating frequency of impact terminal 1 at 1200 Hz (high-frequency vibration).

[0087] Testing process: High-pressure gas enters the cavity 41 to drive the power hammer 2 to move. The power hammer 2 converts the pressure energy of the high-pressure gas into mechanical energy. The power hammer 2 transfers the energy to the impact terminal 1 through impact, generating a thrust F on the end face of the impact terminal 1.

[0088] The working movement frequency of the impact terminal 1 is high frequency, at least above 1000Hz, and the stroke S is maintained at 15mm. As the pressure of the input high-pressure gas increases, the thrust F increases proportionally. The thrust F range is set to 100~300Kg, and the corresponding pressure range of the input high-pressure gas is 0.1~1MPa; the mass m1 of the impact terminal 1: 0.1Kg, the mass m2 of the power hammer 2: 0.55Kg, the force area A of the impact terminal 1: 452.16 mm², the aperture of the air inlet of the power hammer 2 is ф3.1 mm, and the aperture of the air outlet of the power hammer 2 is ф4.8 mm.

[0089] The end face of the impact terminal 1 strikes the test object with high amplitude and high thrust.

[0090] High thrust output: By adjusting the input pressure, the maximum thrust can reach 300KG; Strong temperature adaptability: The device can operate stably in an environment of -100℃ to 250℃, providing guarantee for testing needs in complex environments; The device is small in size and can adapt to test objects of different sizes (reference Figures 3 to 5 ).

[0091] In the description of the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0092] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0093] Although this patent document contains many details, they should not be construed as limitations on the scope of any invention or the claims, but rather as descriptions of features of particular embodiments of particular inventions. Certain features described in this patent document in the context of separate embodiments may also be implemented in combination in a single embodiment. Conversely, various functions described in the context of a single embodiment may also be implemented separately in multiple embodiments, or in any suitable subcombination. In addition, although the above-mentioned features may be described as working in certain combinations, or even initially claimed to be so, in some cases, one or more features in the claim combination may be removed from the combination, and the claim combination may be directed to subcombinations or variations of subcombinations.

[0094] Likewise, although operations are described in a particular order in the drawings, this should not be understood as requiring that such operations be performed in the particular order or order shown, or that all illustrated operations be performed, in order to achieve the desired results. In addition, the separation of various system components in the embodiments of this patent document should not be understood as requiring such separation in all embodiments.

[0095] Only a few implementations and examples are described, and other implementations, enhancements, and variations can be made based on what is described and illustrated in this patent document.

[0096] Although several embodiments are provided in the present disclosure, it should be understood that the disclosed systems and methods may be embodied in many other specific forms without departing from the spirit or scope of the present disclosure. The present examples are considered to be illustrative rather than restrictive and are not limited to the details given. For example, various elements or components may be combined or integrated in another system, or certain features may be omitted or not implemented.

Claims

1. A high impact vibration test device resistant to high and low temperatures, characterized in that: include: An impact terminal (1) comprising an output terminal (11) for directly impacting a product; A power hammer (2), comprising an impact end (21) for pushing the impact terminal (1) to move and a gas path (22) serving as a gas passage; Reset member (3); A cylinder body (4), comprising a cavity (41) suitable for accommodating an impact terminal (1) and a power hammer (2), wherein a side wall of the cylinder body (4) is provided with an air outlet (42) and an air inlet (43); The air inlet (43) is ventilated into the cavity (41) through the air path (22) to drive the power hammer (2) to move, so as to provide a sufficiently large impact force under both high and low temperature conditions. The power hammer (2) drives the impact terminal (1) to move a certain distance and then separates from the power hammer (2). The impact terminal (1) continues to move a certain distance and then is pulled back by the resetting member (3) to be reset.

2. The high impact vibration test device resistant to high and low temperatures according to claim 1, characterized in that: The cylinder body (4) further comprises a first blocking surface (44) and a second blocking surface (45) for limiting two extreme positions of the impact terminal (1); The impact terminal (1) further comprises an input end (12) located between the first blocking surface (44) and the second blocking surface (45); One end of the reset member (3) is connected to the input end (12), and the other end of the reset member (3) is in contact with the first blocking surface (44), so that the reset member (3) is suitable for pushing the input end (12) to abut against the second blocking surface (45).

3. The high impact vibration test device resistant to high and low temperatures according to claim 1, characterized in that: The impact end (21) is located at an end of the power hammer (2) away from the gas path (22), so that when there is high-pressure gas in the gas path (22) and the cavity (41), it is suitable for driving the impact end (21) to drive the input end (12).

4. The high impact vibration test device for high and low temperature resistance according to claim 1, characterized in that: The gas path (22) comprises a first gas channel (23) and a second gas channel (24) which are interconnected; The first air channel (23) is connected to the cavity (41); The second air channel (24) is suitable for being in communication with the air outlet (42) or the air inlet (43), so as to connect the air outlet (42) or the air inlet (43) with the cavity (41).

5. The high impact vibration test device for high and low temperature resistance according to claim 4, characterized in that: The first air channel (23) passes through an end of the power hammer (2) away from the impact terminal (1), so that the high-pressure gas is suitable for driving the power hammer (2) to move; The number of the second air passage (24) is no less than one.

6. The high impact vibration test device for high and low temperature resistance according to claim 1, characterized in that: The power hammer (2) further comprises a contact surface (25); The cylinder body (4) further comprises a limiting surface (46) adapted to abut against the contact surface (25) so as to limit the movement distance of the power hammer (2) in the cavity (41); The contact surface (25) and the limiting surface (46) are both planes.

7. A high impact vibration test device resistant to high and low temperatures, characterized in that: include: An impact terminal (1) comprising an output terminal (11) for directly impacting a product; A power hammer (2), comprising an impact end (21) for pushing the impact terminal (1) to move and a gas path (22) serving as a gas passage; Reset member (3); A cylinder body (4), comprising a cavity (41) suitable for accommodating an impact terminal (1) and a power hammer (2), wherein a side wall of the cylinder body (4) is provided with an air outlet (42) and an air inlet (43); The air inlet (43) is ventilated into the cavity (41) through the air path (22) to drive the power hammer (2) to move, so as to provide a sufficiently large impact force under both high and low temperature conditions. The power hammer (2) drives the impact terminal (1) to move a certain distance and then separates from the power hammer (2). The impact terminal (1) continues to move a certain distance and is then pulled back by the reset member (3) to be reset. Part of the side surfaces of the impact terminal (1) and the power hammer (2) are sealed and connected to the side wall of the cavity (41); The cross-sections of the impact terminal (1), the power hammer (2) and the cavity (41) are all circular.

8. The high impact vibration test device for high and low temperature resistance according to claim 7, characterized in that: The cylinder body (4) further comprises a first blocking surface (44) and a second blocking surface (45) for limiting two extreme positions of the impact terminal (1); The impact terminal (1) further comprises an input end (12) located between the first blocking surface (44) and the second blocking surface (45); One end of the reset member (3) is connected to the input end (12), and the other end of the reset member (3) is in contact with the first blocking surface (44), so that the reset member (3) is suitable for pushing the input end (12) to abut against the second blocking surface (45).

9. A method for using a high-impact vibration test device that is resistant to high and low temperatures, characterized in that: The steps include: Step S1, passing high-pressure gas into the cavity (41) through the gas inlet (43) and the gas path (22), so that the high-pressure gas between the end of the cavity (41) and the power hammer (2) drives the power hammer (2) to move; Step S2, the impact end (21) contacts the input end (12) to drive the impact terminal (1) to move in the cavity (41), and the high-pressure gas is stopped from being passed into the cavity (41). Furthermore, the gas outlet (42) is connected to the gas path (22) to continuously discharge the high-pressure gas in the cavity (41), and the speed of the power hammer (2) is reduced, so that the impact end (21) is separated from the input end (12), and the power hammer (2) is reset under the action of gravity; Step S3, after the output end (11) hits the product, the impact terminal (1) stops moving, and at this time, the input end (12) is close to the first blocking surface (44); Step S4: the reset member (3) operates to pull the impact terminal (1) to reset, until the input end (12) contacts the second blocking surface (45).

10. The method for using the high impact vibration test device for high and low temperature resistance according to claim 9, characterized in that At: After the gas outlet (42) is connected to the second gas channel (24) in step S2, the contact surface (25) of the power hammer (2) contacts the limit surface (46) again, so that the high-pressure gas in the cavity (41) can be discharged; After the output end (11) stops hitting the product in step S3, the input end (12) is separated from the first blocking surface (44).

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