Impact resistance testing device and working method thereof

Abstract

The present invention belongs to the field of testing technology. It can not only simply detect the impact resistance of the floor, but also measure the collapse value of the impact point, and even perform rapid multiple impacts on different areas. It particularly relates to an impact resistance detection device for anti-static movable floors and its working method. It includes an impact test stand, an impact implementation component, a multiple detection component, and an intelligent comprehensive impact resistance test system. The present invention controls the height of the impact hammer by shaking the hand crank, and releases the impact hammer by pulling the card mechanism. The operation is simple and quick. The multiple impact and multiple detection components provide more test options, and more complex impact resistance tests can be performed. It can accurately measure the deformation displacement and collapse value of the test plate in the vertical and horizontal directions after being impacted, providing a scientific basis for evaluating the impact resistance of the material. The remote monitoring and operating system allows the operator to monitor and control the test process at a safe distance.

Description

Technical Field

[0001] The present invention belongs to the field of testing technology. It can not only detect the impact resistance of the floor, but also measure the collapse value of the impact point, and even perform rapid and multiple impacts on different areas. In particular, it relates to an impact resistance detection device for anti-static movable floor and a working method thereof. Background Art

[0002] During the production process, the impact resistance of the anti-static floor needs to be tested to ensure that the product meets the quality standards. Through the impact resistance test, the safety of the floor during use can be evaluated to ensure that it will not be damaged or cracked when impacted. The detection device is used to verify the performance of the anti-static floor, including its wear resistance, compressive strength and chemical corrosion resistance. According to national standards or industry standards, impact resistance tests are carried out to ensure that the product meets the specified requirements. Through the test results, existing products can be improved to improve the durability and reliability of the floor, provide accurate test results, increase user trust in the product, and improve the market competitiveness of the product. Impact resistance performance testing helps prevent potential safety risks, such as accidents caused by impact during the use of the floor. With the application of new materials and new technologies, detection devices are also constantly evolving to meet higher performance testing needs.

[0003] However, the existing technology cannot fully detect the test board and cannot guarantee the effect and accuracy of the detection, so there is a problem of poor detection effect;

[0004] During the experiment, random errors may be introduced due to the influence of various uncontrollable factors, such as slight changes in environmental conditions and slight differences in operators. By repeating the experiment, these random errors can be averaged out, making the test results closer to the true value. Repeating the experiment helps to verify the stability and repeatability of the test method. If the results of each experiment are basically the same, it means that the test method is stable and reliable. If the results vary greatly, the test method needs to be checked and improved. However, the prior art does not reflect this point of repeated experiments. Summary of the invention

[0005] The present invention proposes an impact resistance detection device and a working method thereof, providing a device which can not only detect the impact resistance of a floor, but also measure the collapse value of an impact point, and even perform rapid and multiple impacts on different areas.

[0006] The technical solution of the present invention is as follows:

[0007] Impact resistance testing device, including impact test frame and impact implementation components and intelligent comprehensive impact resistance testing system;

[0008] The intelligent comprehensive impact resistance test system includes an intelligent control system, a multifunctional drop hammer impact test system, a data acquisition and analysis system, an environmental simulation system, an automatic sample processing system, a remote monitoring and operating system, a safety protection system, and a multi-angle impact test system;

[0009] The intelligent control system is used to integrate advanced sensors and control algorithms, which can monitor and adjust the parameters during the impact process in real time to ensure the accuracy and repeatability of the test;

[0010] The impact implementation assembly includes a groove pulley 1, a groove pulley 2, a nylon rope, an impact hammer, a groove pulley 3, a limit column, a detachable shock absorbing mechanism, a support, a hollow groove, a hand-cranked wheel, a follower rod, a labor-saving gear 1, a labor-saving gear 2, a driven rod, a groove pulley 4, a shelf plate, and a pull mechanism;

[0011] A hanging plate is provided inside the impact test frame, the groove pulley three is rotatably mounted on the top of the hanging plate, two counterweights are also provided on the top of the hanging plate, a groove pulley two is rotatably mounted on the top wall of the impact test frame, a side plate is fixedly connected to one side of the impact test frame, the groove pulley one is rotatably mounted on the outer side of the side plate, an extension plate is provided on one side of the support, and the groove pulley four is rotatably mounted on the extension plate;

[0012] The driven rod is fixedly sleeved on the groove pulley 4, the labor-saving gear 2 is fixedly sleeved on the driven rod, the labor-saving gear 1 and the labor-saving gear 2 are meshed and connected, the follower rod is fixedly inserted on the labor-saving gear 1, and the hand-cranked wheel is fixedly connected to the end of the follower rod;

[0013] The nylon rope is fixedly wound around the groove pulley three and the groove pulley four through the groove pulley one and the groove pulley two;

[0014] An impact hammer is fixedly connected to the bottom of the suspension plate;

[0015] The clamping mechanism is used to limit the rotation of the labor-saving gear 1 and the labor-saving gear 2 so as to enable the impact hammer to be suspended at a fixed height;

[0016] Among them, the follower rod is driven to rotate by shaking the hand crank wheel, the follower rod drives the labor-saving gear one to rotate, the labor-saving gear one drives the labor-saving gear two to rotate, the labor-saving gear two drives the driven rod to rotate, the driven rod drives the groove pulley four to rotate, the groove pulley four drives the nylon rope to rotate, the nylon rope drives the groove pulley one, the groove pulley two and the groove pulley three to rotate, the groove pulley three drives the suspension plate to translate upward, the suspension plate drives the impact hammer to translate upward, which is used to control the height of the impact, and the counterweight block is used to control the intensity of the impact.

[0017] As a preferred embodiment of the present invention, it also includes a multiple impact multiple detection component, which includes a top block, a cushion block, a first through rod, a hydraulic telescopic rod, a two-layer flat plate, an extended card plate, a pin, a vertical measuring ruler, a horizontal measuring ruler, a first wedge block, a second wedge block, a U-shaped plate, an adjusting nut, a bottom plate, a third wedge block, a first support rod, a second support rod and a second through rod.

[0018] As a preferred solution of the present invention, the top block is fixedly mounted on the output section of the hydraulic telescopic rod, the cushion block is arranged below the top block, one end of the first through rod and the second through rod are fixed on the inner wall of the cushion block, the other end of the first through rod and the second through rod are fixed on the top of the U-shaped plate, the first through rod and the second through rod are both provided with sleeves, and the two-layer flat plate is slidably mounted on the first through rod and the second through rod through the sleeves.

[0019] As a preferred solution of the present invention, the extended card plate is fixedly connected to the second-layer platform, and the pin shaft is inserted and installed in the groove of the extended card plate.

[0020] As a preferred solution of the present invention, the base plate is arranged below the U-shaped plate, one end of the first support rod and the second support rod are fixedly connected to the lower wall of the second flat plate, and the other end of the first support rod and the second support rod are fixedly connected to the upper wall of the base plate.

[0021] As a preferred solution of the present invention, the adjusting nut is used to adjust the loosening and tightening of all the screws that need to be adjusted on the multiple-impact multiple-detection assembly.

[0022] As a preferred solution of the present invention, the vertical measuring ruler is fixedly mounted on the upper wall of the bottom plate, the third wedge block is fixedly connected to the lower wall of the bottom plate, the first wedge block fits and slides on the third wedge block, and the second wedge block fits and slides on the first wedge block;

[0023] A transverse control wheel is arranged under the support, and a longitudinal control wheel is arranged on the other side. The impact test frame is provided with multiple groups of reinforcing ribs, and the bottom of the support is provided with multiple groups of corresponding matching supporting feet and moving wheels.

[0024] The working method of the impact resistance testing device comprises the following steps:

[0025] S1. First, fix the test board on the support through the left and right clamping mechanisms and the front and rear clamping mechanisms;

[0026] S2, then by shaking the hand crank wheel, drive the follower rod and the labor-saving gear 1 and the labor-saving gear 2, control the impact hammer to rise to the predetermined test height, and prepare for the impact test;

[0027] S3, then pull the clamp mechanism to one side to release the impact hammer, causing it to fall from a set height to impact the test plate;

[0028] S4, then rotate the multi-impact multi-detection assembly so that the top block faces the test plate, and the hydraulic telescopic rod drives the top block to apply impact force to the test plate. The displacement or deformation of the test plate is fixed and measured by the cooperation of the extended clamping plate and the pin shaft;

[0029] S5. The horizontal measuring ruler, the vertical measuring ruler and the sliding fit of the wedge block accurately measure the deformation displacement and collapse value of the test plate in the vertical and horizontal directions after the impact, and then evaluate its impact resistance.

[0030] The working principle and beneficial effects of the present invention are:

[0031] The present invention can monitor and adjust the parameters in the impact process in real time by integrating advanced sensors and control algorithms to ensure the accuracy and repeatability of the test. This intelligent control system reduces human errors and the volatility of test results, improves test efficiency and result accuracy, and multiple subsystems such as the multifunctional drop hammer impact test system, data acquisition and analysis system, and environmental simulation system can perform a full range of impact resistance tests, including dynamic impact tests and static impact tests, so as to more comprehensively evaluate the impact resistance of materials.

[0032] The present invention controls the impact hammer to rise to a predetermined height by shaking the hand crank, and pulls the trigger mechanism to release the impact hammer. The operation is simple and quick, and it is easy for operators to quickly get started. The multiple impact and multiple detection components provide more test options, and more complex impact resistance tests can be performed, which increases the diversity and depth of the tests. The data acquisition and analysis system can accurately measure the deformation displacement and collapse value of the test plate in the vertical and horizontal directions after the impact, providing a scientific basis for evaluating the impact resistance of the material. The remote monitoring and operation system allows the operator to monitor and control the test process at a safe distance, thereby improving the flexibility and safety of the operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0034] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0035] Figure 2 It is a rear view schematic diagram of the overall structure of the present invention;

[0036] Figure 3 It is a partial structural schematic diagram of the rear view of the present invention;

[0037] Figure 4 It is another partial structural schematic diagram of the present invention from the rear view;

[0038] Figure 5 This is a schematic diagram of the overall structure of the multiple impact multiple detection assembly of the present invention;

[0039] Figure 6 It is a schematic diagram of a partially enlarged structure of the multiple impact and multiple detection components of the present invention.

[0040] In the figure:

[0041] 1. Impact test stand;

[0042] 2. Impact implementation assembly; 201. Groove pulley 1; 202. Groove pulley 2; 203. Nylon rope; 204. Impact hammer; 205. Groove pulley 3; 206. Limiting column; 207. Removable shock absorbing mechanism; 208. Support; 209. Hollow groove; 210. Hand wheel; 211. Follower rod; 212. Labor-saving gear 1; 213. Labor-saving gear 2; 214. Follower rod; 215. Groove pulley 4; 216. Shelf plate; 217. Pull-claw mechanism;

[0043] 3. Multiple impact and multiple detection components; 301. Top block; 302. Cushion block; 303. First through rod; 304. Hydraulic telescopic rod; 305. Second-layer plate; 306. Extended card plate; 307. Pin; 308. Vertical measuring ruler; 309. Horizontal measuring ruler; 310. First wedge block; 311. Second wedge block; 312. U-shaped plate; 313. Adjusting nut; 314. Bottom plate; 315. Third wedge block; 316. First support rod; 317. Second support rod; 318. Second through rod;

[0044] 4. Horizontal control wheel; 5. Vertical control wheel; 6. Reinforcement ribs; 7. Support feet; 8. Moving wheels. DETAILED DESCRIPTION

[0045] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only 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.

[0046] Example 1

[0047] like Figure 1 to Figure 6 As shown, this embodiment proposes an impact resistance performance detection device, including an impact test frame 1, an impact implementation component 2, and an intelligent comprehensive impact resistance test system;

[0048] The intelligent comprehensive impact resistance test system includes an intelligent control system, a multifunctional drop hammer impact test system, a data acquisition and analysis system, an environmental simulation system, an automatic sample processing system, a remote monitoring and operating system, a safety protection system, and a multi-angle impact test system;

[0049] The intelligent control system is used to integrate advanced sensors and control algorithms, which can monitor and adjust the parameters during the impact process in real time to ensure the accuracy and repeatability of the test;

[0050] The impact implementation component 2 includes a groove pulley 1 201, a groove pulley 202, a nylon rope 203, an impact hammer 204, a groove pulley 3 205, a limit column 206, a detachable shock absorbing mechanism 207, a support 208, a hollow groove 209, a hand-cranked wheel 210, a follower rod 211, a labor-saving gear 1 212, a labor-saving gear 2 213, a driven rod 214, a groove pulley 4 215, a shelf plate 216, and a pull mechanism 217;

[0051] A suspension plate is provided inside the impact test frame 1, a groove pulley 3 205 is rotatably mounted on the top of the suspension plate, two counterweights are also provided on the top of the suspension plate, a groove pulley 202 is rotatably mounted on the top wall of the impact test frame 1, a side plate is fixedly connected to one side of the impact test frame 1, a groove pulley 1 201 is rotatably mounted on the outer side of the side plate, an extension plate is provided on one side of the support 208, and a groove pulley 4 215 is rotatably mounted on the extension plate;

[0052] The driven rod 214 is fixedly sleeved on the groove pulley 4 215, the labor-saving gear 213 is fixedly sleeved on the driven rod 214, the labor-saving gear 1 212 and the labor-saving gear 2 213 are meshed and connected, the follower rod 211 is fixedly inserted on the labor-saving gear 1 212, and the hand-cranked wheel 210 is fixedly connected to the end of the follower rod 211;

[0053] The nylon rope 203 is fixedly wound around the groove pulley 3 205 and the groove pulley 4 215 through the groove pulley 1 201 and the groove pulley 2 202;

[0054] An impact weight 204 is fixedly connected to the bottom of the suspension plate;

[0055] The lever mechanism 217 is used to limit the rotation of the labor-saving gear 1 212 and the labor-saving gear 2 213 so as to enable the impact hammer 204 to hover at a fixed height;

[0056] Among them, by shaking the hand crank 210, the follower rod 211 is driven to rotate, the follower rod 211 drives the labor-saving gear 1 212 to rotate, the labor-saving gear 1 212 drives the labor-saving gear 2 213 to rotate, the labor-saving gear 2 213 drives the driven rod 214 to rotate, the driven rod 214 drives the groove pulley 4 215 to rotate, the groove pulley 4 215 drives the nylon rope 203 to revolve, the nylon rope 203 drives the groove pulley 1 201 and the groove pulley 2 202 and the groove pulley 3 205 to revolve, the groove pulley 3 205 drives the suspension plate to translate upward, the suspension plate drives the impact hammer 204 to translate upward, which is used to control the height of the impact, and the counterweight block is used to control the intensity of the impact.

[0057] In this embodiment, groove pulley 1 201 is rotatably installed on the outer side of the side plate to change the winding direction of the nylon rope 203 to achieve the lifting and lowering of the heavy object. Groove pulley 202 is rotatably installed on the top wall of the impact test frame 1 and cooperates with groove pulley 1 201 to fix the nylon rope 203 to achieve the lifting and lowering of the heavy object. The nylon rope 203 connects each groove pulley to transmit force so that the impact hammer 204 can move up and down. The impact hammer 204 is used to implement impact, and its weight and height determine the magnitude of the impact force. Groove pulley 3 205 is rotatably installed on the top of the hanging plate to change the winding direction of the nylon rope 203 to achieve the lifting and lowering of the impact hammer 204. The limit column 206 is used to limit or position the movement of certain parts to ensure the safety and accuracy of the operation. The detachable shock absorbing mechanism 207 is used to absorb impact energy and reduce the damage to equipment and structure caused by impact. The support 208 supports the entire impact implementation component 2 to ensure its stability. The hollow groove 209 is used to reduce weight or provide a certain The hand-cranked wheel 210 is a manual operating component, and the whole system can be driven by shaking the hand-cranked wheel 210. The follower rod 211 is fixedly inserted on the labor-saving gear 1 212, and moves with the rotation of the labor-saving gear 1 212. The labor-saving gear 1 212 is connected to the hand-cranked wheel 210, and the force is transmitted and amplified by rotation. The labor-saving gear 213 is meshed and connected with the labor-saving gear 1 212 to further transmit and amplify the force. The follower rod 214 is fixed It is mounted on the groove pulley four 215, and the groove pulley four 215 is driven to rotate by the rotation of the labor-saving gear two 213. The groove pulley four 215 is rotatably installed on the extension plate of the support 208, and the nylon rope 203 is driven by the driven rod 214 to realize the winding of the nylon rope 203. The shelf plate 216 is used to support or fix other components to provide structural stability. The lever mechanism 217 is used to limit the rotation of the labor-saving gear one 212 and the labor-saving gear two 213, and control the hovering position of the impact hammer 204.

[0058] Example 2

[0059] like Figure 1 to Figure 6 As shown, it also includes a multiple impact multiple detection component, which includes a top block 301, a cushion block 302, a first through rod 303, a hydraulic telescopic rod 304, a second flat plate 305, an extended card plate 306, a pin 307, a vertical measuring ruler 308, a horizontal measuring ruler 309, a first wedge block 310, a second wedge block 311, a U-shaped plate 312, an adjusting nut 313, a bottom plate 314, a third wedge block 315, a first support rod 316, a second support rod 317 and a second through rod 318.

[0060] like Figure 1 to Figure 6As shown, the top block 301 is fixedly installed on the output section of the hydraulic telescopic rod 304, the cushion block 302 is arranged below the top block 301, one end of the first through rod 303 and the second through rod 318 are fixed on the inner wall of the cushion block 302, and the other ends of the first through rod 303 and the second through rod 318 are fixed on the top of the U-shaped plate 312, and the first through rod 303 and the second through rod 318 are both provided with sleeves, and the second-layer flat plate 305 is slidably installed on the first through rod 303 and the second through rod 318 through the sleeves.

[0061] like Figure 1 to Figure 6 As shown, the extended card plate 306 is fixedly connected to the second-layer platform, and the pin shaft 307 is inserted and installed in the groove of the extended card plate 306.

[0062] like Figure 1 to Figure 6 As shown, the bottom plate 314 is arranged below the U-shaped plate 312, one end of the first support rod 316 and the second support rod 317 are fixedly connected to the lower wall of the second flat plate 305, and the other end of the first support rod 316 and the second support rod 317 are fixedly connected to the upper wall of the bottom plate 314.

[0063] like Figure 1 to Figure 6 As shown, the adjusting nut 313 is used to adjust the loosening and tightening of all the screws that need to be adjusted on the multiple impact multiple detection assembly.

[0064] like Figure 1 to Figure 6 As shown, the vertical measuring ruler 308 is fixedly mounted on the upper wall of the bottom plate 314, the third block 315 is fixedly connected to the lower wall of the bottom plate 314, the first block 310 fits and slides on the third block 315, and the second block 311 fits and slides on the first block 310;

[0065] A lateral control wheel 4 is mounted under the support 208 , and a longitudinal control wheel 5 is mounted on the other side. A plurality of reinforcing ribs 6 are mounted on the impact test frame 1 , and a plurality of corresponding matching support legs 7 and moving wheels 8 are mounted at the bottom of the support 208 .

[0066] In this embodiment, the top block 301 is fixedly installed on the output section of the hydraulic telescopic rod 304, and is used to transmit the impact force of the hydraulic telescopic rod 304. The cushion block 302 is arranged below the top block 301, serving as a supporting structure of the top block 301, and is also a fixing point of the first through rod 303 and the second through rod 318. One end of the first through rod 303 and the second through rod 318 is fixed to the inner wall of the cushion block 302, and the other end is fixed to the U-shaped plate 312, and is used to support and move the second flat plate 305. The sleeve is arranged on the first through rod 303 and the second through rod 318. The second-layer flat plate 305 is slid on the first through rod 303 and the second through rod 318 through a sleeve. The second-layer flat plate 305 is slidably installed on the first through rod 303 and the second through rod 318 through a sleeve, and is used to support the extended card plate 306 and the test plate. The extended card plate 306 is fixedly connected to the second-layer platform and is used to fix and support the test plate. The pin 307 is inserted and installed in the groove of the extended card plate 306 to fix the test plate to prevent it from moving during the impact process. The vertical measuring ruler 308 is fixedly installed. Installed on the upper wall of the bottom plate 314, it is used to measure the displacement or impact force in the vertical direction. The horizontal measuring ruler 309 is not mentioned in the description, but is usually used to measure the displacement in the horizontal direction. The third wedge block 315 is fixedly connected to the lower wall of the bottom plate 314, the first wedge block 310 fits and slides on the third wedge block 315, and the second wedge block 311 fits and slides on the first wedge block 310, which is used to accurately control and measure the movement of the test plate. The U-shaped plate 312 is fixedly connected to the other end of the first through rod 303 and the second through rod 318, serving as the frame part of the entire structure. The adjusting nut 313 is used to adjust the loosening and tightening of all the screws that need to be adjusted on the multiple impact multiple detection components to ensure the accuracy and precision of the detection. The bottom plate 314 is arranged below the U-shaped plate 312 as the bottom support of the entire structure. One end of the first support rod 316 and the second support rod 317 are fixedly connected to the lower wall of the second flat plate 305, and the other end is fixedly connected to the upper wall of the bottom plate 314 to enhance the stability of the entire structure.

[0067] The present invention also provides a working method of the impact resistance testing device, comprising the following steps:

[0068] S1. First, fix the test plate on the support 208 through the left and right clamping mechanisms and the front and rear clamping mechanisms. S2. Then, by shaking the hand crank 210, drive the follower rod 211 and the labor-saving gear 1 212 and the labor-saving gear 2 213 to control the impact hammer 204 to rise to the predetermined test height to prepare for the impact test. S3. Then, pull the clamping mechanism 217 to one side to release the impact hammer 204, so that it falls from the set height to impact the test plate. S4. Then rotate the multiple impact multiple detection component 3 so that the top block 301 faces the test plate, and the hydraulic telescopic rod 304 drives the top block 301 to apply an impact force to the test plate. The displacement or deformation of the test plate is fixed and measured by the cooperation of the extended clamping plate 306 and the pin 307. S5. The horizontal measuring ruler 309, the vertical measuring ruler 308 and the sliding cooperation of the wedge block accurately measure the deformation displacement and collapse value of the test plate in the vertical and horizontal directions after the impact, and then evaluate its impact resistance.

[0069] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. Impact resistance testing device, characterized in that: Including impact test frame, impact implementation components and intelligent comprehensive impact resistance test system; The intelligent comprehensive impact resistance test system includes an intelligent control system, a multifunctional drop hammer impact test system, a data acquisition and analysis system, an environmental simulation system, an automatic sample processing system, a remote monitoring and operating system, a safety protection system, and a multi-angle impact test system; The intelligent control system is used to integrate advanced sensors and control algorithms, which can monitor and adjust the parameters during the impact process in real time to ensure the accuracy and repeatability of the test; The impact implementation assembly includes a groove pulley 1, a groove pulley 2, a nylon rope, an impact hammer, a groove pulley 3, a limit column, a detachable shock absorbing mechanism, a support, a hollow groove, a hand-cranked wheel, a follower rod, a labor-saving gear 1, a labor-saving gear 2, a driven rod, a groove pulley 4, a shelf plate, and a pull mechanism; A hanging plate is provided inside the impact test frame, the groove pulley three is rotatably mounted on the top of the hanging plate, two counterweights are also provided on the top of the hanging plate, a groove pulley two is rotatably mounted on the top wall of the impact test frame, a side plate is fixedly connected to one side of the impact test frame, the groove pulley one is rotatably mounted on the outer side of the side plate, an extension plate is provided on one side of the support, and the groove pulley four is rotatably mounted on the extension plate; The driven rod is fixedly sleeved on the groove pulley 4, the labor-saving gear 2 is fixedly sleeved on the driven rod, the labor-saving gear 1 and the labor-saving gear 2 are meshed and connected, the follower rod is fixedly inserted on the labor-saving gear 1, and the hand-cranked wheel is fixedly connected to the end of the follower rod; The nylon rope is fixedly wound around the groove pulley three and the groove pulley four through the groove pulley one and the groove pulley two; An impact hammer is fixedly connected to the bottom of the suspension plate; The clamping mechanism is used to limit the rotation of the labor-saving gear 1 and the labor-saving gear 2 so as to enable the impact hammer to be suspended at a fixed height; Among them, by shaking the hand crank wheel, the follower rod is driven to rotate, the follower rod drives the labor-saving gear 1 to rotate, the labor-saving gear 1 drives the labor-saving gear 2 to rotate, the labor-saving gear 2 drives the driven rod to rotate, the driven rod drives the groove pulley 4 to rotate, the groove pulley 4 drives the nylon rope to revolve, the nylon rope drives the groove pulley 1, the groove pulley 2 and the groove pulley 3 to revolve, the groove pulley 3 drives the suspension plate to translate upward, the suspension plate drives the impact hammer to translate upward, which is used to control the impact height, and the counterweight block is used to control the impact strength; It also includes a multiple impact multiple detection assembly, which includes a top block, a cushion block, a first through rod, a hydraulic telescopic rod, a second-layer flat plate, an extended card plate, a pin, a vertical measuring ruler, a horizontal measuring ruler, a first wedge block, a second wedge block, a U-shaped plate, an adjusting nut, a bottom plate, a third wedge block, a first support rod, a second support rod, and a second through rod; The top block is fixedly mounted on the output section of the hydraulic telescopic rod, the cushion block is arranged below the top block, one end of the first through rod and the second through rod are fixed on the inner wall of the cushion block, the other ends of the first through rod and the second through rod are fixed on the top of the U-shaped plate, the first through rod and the second through rod are both sleeved, and the second-layer flat plate is slidably mounted on the first through rod and the second through rod through the sleeve; The extended card plate is fixedly connected to the second-layer platform, and the pin shaft is inserted and installed in the groove of the extended card plate; The bottom plate is arranged below the U-shaped plate, one end of the first support rod and the second support rod are fixedly connected to the lower wall of the second flat plate, and the other end of the first support rod and the second support rod are fixedly connected to the upper wall of the bottom plate; The vertical measuring ruler is fixedly mounted on the upper wall of the bottom plate, the third block is fixedly connected to the lower wall of the bottom plate, the first block fits and slides on the third block, and the second block fits and slides on the first block; A lateral control wheel is arranged under the support, and a longitudinal control wheel is arranged on the other side. The impact test frame is provided with multiple groups of reinforcing ribs, and the bottom of the support is provided with multiple groups of corresponding matching supporting feet and moving wheels.

2. The impact resistance testing device according to claim 1, characterized in that: The adjusting nut is used to adjust the loosening and tightening of all screws that need to be adjusted on the multiple impact multiple detection assembly.

3. A working method of an impact resistance testing device, using the impact resistance testing device according to claim 2, characterized in that: The following steps are involved: S1. First, fix the test board on the support through the left and right clamping mechanisms and the front and rear clamping mechanisms; S2, then by shaking the hand crank wheel, drive the follower rod and the labor-saving gear 1 and the labor-saving gear 2, control the impact hammer to rise to the predetermined test height, and prepare for the impact test; S3, then pull the clamp mechanism to one side to release the impact hammer, causing it to fall from a set height to impact the test plate; S4, then rotate the multi-impact multi-detection assembly so that the top block faces the test plate, and the hydraulic telescopic rod drives the top block to apply impact force to the test plate. The displacement or deformation of the test plate is fixed and measured by the cooperation of the extended clamping plate and the pin shaft; S5. The horizontal measuring ruler, the vertical measuring ruler and the sliding fit of the wedge block accurately measure the deformation displacement and collapse value of the test plate in the vertical and horizontal directions after the impact, and then evaluate its impact resistance.

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