Shock resistance test equipment and test method

Abstract

The invention provides shock resistance test equipment and a test method. The equipment comprises a test head mold, a head mold rotating device, a front-back adjusting device, a left-right adjusting device and a drop hammer test platform, the test head mold is used for installing the combined anti-riot helmet; the test head mold is arranged on the head mold rotating device; and the head mold rotating device is arranged on the drop hammer test platform through the front-back adjusting device and the left-right adjusting device. According to the invention, the detection reliability of the joint parts of the earmuffs, the mask, the tactical guide rail and the helmet body of the combined anti-riot helmet is improved, and the comprehensive performance of the combined anti-riot helmet is evaluated.

Description

Technical Field

[0001] The present application relates to the technical field of testing equipment, and in particular to an impact resistance testing equipment and a testing method. Background Art

[0002] The combined anti-riot helmet is a main equipment used to protect the heads of public security officers and armed police officers from impact and blows. In order to ensure that the quality and performance of the combined anti-riot helmets meet the relevant standards and specifications, it is necessary to conduct anti-strike performance testing. At present, there is no special patent technology for the anti-strike performance testing method and equipment of the combined anti-riot helmets.

[0003] The existing patent with publication number CN203719865U discloses an impact resistance performance test equipment, including: a lifting device that can be raised and lowered; a support tube arranged on the lifting device; an electromagnetic suction cup arranged on the support tube for adsorbing a steel ball; a protective test box, wherein the protective test box has a workpiece positioning area for positioning the test sample. The impact resistance performance test equipment performs impact resistance performance testing on glass panels to prevent glass panels with unqualified impact performance from leaving the factory, so that the measurement range of the impact resistance performance test equipment is adjustable. However, the impact resistance performance test equipment is not suitable for the impact resistance performance testing of combined anti-riot helmets.

[0004] In addition, the defects of the existing collision energy absorption performance test methods are mainly reflected in the following aspects:

[0005] First, the existing methods do not consider the reliability of the joints between earmuffs, masks, tactical rails and the helmet body: the existing collision energy absorption performance test method mainly focuses on the overall impact resistance of the helmet, but the reliability of the joints between earmuffs, masks, tactical rails and the helmet body in the combined riot helmet has not been fully tested. The reliability of these components has an important impact on the overall protective effect and service life of the helmet, so a method and equipment that can perform reliability testing on these components is needed.

[0006] Second, the existing methods lack performance testing methods for specific components: the existing methods mainly test the overall impact resistance of the helmet, but there is a lack of performance testing methods for specific components such as earmuffs, masks, tactical rails, etc. in the combined riot helmet. These components have unique functions and requirements, and require a method and equipment that can test their specific performance.

[0007] Third, the existing methods lack comprehensive performance evaluation for combined anti-riot helmets: the existing methods mainly focus on the impact resistance of helmets, but lack comprehensive performance evaluation of other key indicators of helmets such as protective effect, comfort, durability, etc. As a comprehensive protective equipment, the comprehensive performance evaluation of combined anti-riot helmets is of great significance for research and development, production and equipment of troops.

[0008] Therefore, the existing technology has defects in the reliability inspection of the joints between the earmuffs, masks, tactical rails and the helmet body of the combined riot helmet. It is necessary to develop a method and equipment that can perform reliability testing on these components. At the same time, a method and equipment that can evaluate the comprehensive performance of the combined riot helmet is also needed. Summary of the invention

[0009] The purpose of this application is to provide an impact resistance test device and a test method to improve the reliability of the detection of the joints between the earmuffs, mask, tactical rails and helmet body of a combined anti-riot helmet, and to evaluate the comprehensive performance of the combined anti-riot helmet.

[0010] To achieve the above-mentioned purpose, the present application provides an impact resistance testing device, which includes a test head mold, a head mold rotating device, a front-to-back adjustment device, a left-to-right adjustment device and a drop hammer test platform; the test head mold is used to install a combined riot helmet; the test head mold is arranged on the head mold rotating device; the head mold rotating device is arranged on the drop hammer test platform through the front-to-back adjustment device and the left-to-right adjustment device.

[0011] The impact resistance testing equipment as described above, wherein a drop weight is arranged above the test head mold.

[0012] As described above, the impact resistance testing equipment, wherein the front-to-back adjustment device is fixedly connected to the drop hammer test platform; the left-to-right adjustment device is fixedly connected to the front-to-back adjustment device; the front-to-back adjustment device is vertically arranged to the left-to-right adjustment device, and the head mold rotating device is fixedly connected to the left-to-right adjustment device.

[0013] In the impact resistance testing equipment as described above, the head mold rotating device is fixedly connected to the left and right adjusting devices via a U-shaped bracket.

[0014] The anti-impact performance test equipment as described above, wherein the front-back adjustment device includes: a front-back adjustment handwheel, a front-back adjustment linear guide rail, a front-back adjustment mechanism, a front-back adjustment platform, and a front-back adjustment lower support platform; the front-back adjustment linear guide rail and the front-back adjustment mechanism are fixedly connected to the front-back adjustment lower support platform; the front-back adjustment handwheel is connected to the end of the front-back adjustment mechanism; the front-back adjustment platform is movably connected to the front-back adjustment linear guide rail and the front-back adjustment mechanism; the upper part of the front-back adjustment platform is used for fixedly connecting the left-right adjustment device.

[0015] The anti-impact performance test equipment as described above, wherein the left-right adjustment device includes: a left-right adjustment handwheel, a left-right adjustment linear guide rail, a left-right adjustment mechanism, and a left-right adjustment platform; the left-right adjustment linear guide rail and the left-right adjustment mechanism are fixedly connected to the front-back adjustment platform; the left-right adjustment handwheel is connected to the end of the left-right adjustment mechanism; the left-right adjustment platform is movably connected to the left-right adjustment linear guide rail and the left-right adjustment mechanism; the left-right adjustment platform is used for fixedly connecting the head mold rotation device.

[0016] The anti-impact performance test equipment as described above, wherein the left-right adjustment linear guide rail and the left-right adjustment mechanism are arranged in parallel.

[0017] The anti-impact performance test equipment as described above, wherein the head mold rotation device includes: a rotation adjustment handwheel, a fastening screw, a rotation support frame, and a rotation support shaft; the rotation support frame is fixedly connected to the left-right adjustment device through a bracket; the rotation support shaft is rotatably connected to the rotation support frame; one end of the rotation support shaft is connected to the rotation adjustment handwheel, and the other end is fixedly connected to the test head mold; the rotation adjustment handwheel adjusts the rotation angle of the rotation support shaft on the rotation support frame to adjust the rotation angle of the test head mold. When the rotation support shaft rotates to a certain angle, the rotation support shaft is fastened to the rotation support frame through the fastening screw.

[0018] The anti-impact performance test equipment as described above, wherein the rotation support frame has a central hole opened along the horizontal direction; the rotation support shaft is rotatably connected in the central hole; the fastening screw is perpendicular to the axis direction of the central hole and is threadedly connected to the rotation support frame, and the end of the fastening screw extends into the central hole.

[0019] The present application also provides an impact resistance performance test method, which is completed according to the impact resistance performance test equipment, and the method includes: after installing the combined riot helmet on the test head mold, adjusting the position of the combined riot helmet by a front and rear adjustment device and a left and right adjustment device, and adjusting the angle of the combined riot helmet by a head mold rotating device, so that the impact resistance test part of the combined riot helmet is located directly below the drop hammer; adjusting the height of the drop hammer, and releasing the drop hammer to perform an impact test on the impact resistance test part.

[0020] The beneficial effects achieved by this application are as follows:

[0021] (1) This application conducts reliability testing on key components of the combined riot helmet, such as earmuffs, face mask, tactical rails and the joint between the helmet body, to ensure its stability and durability in actual use.

[0022] (2) The present application provides an impact resistance test device, which should have the function of moving forward and backward and left and right to simulate the force conditions of the head in different directions, and can realize 360° rotation of the combined riot helmet to simulate various situations of the combined riot helmet in actual use.

[0023] (3) The equipment used in this application needs to have stable performance and be able to conduct repeated tests to ensure the accuracy and reliability of the test results.

[0024] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, "plurality" means two or more, unless otherwise clearly and specifically defined.

[0025] In the description of the present application, the word "for example" is used to mean "used as an example, illustration or explanation". Any embodiment described as "for example" in the present application is not necessarily to be construed as being more preferred or advantageous than other embodiments. The following description is given to enable any technician in the field to implement and use the present invention. In the following description, details are listed for the purpose of explanation. It should be understood that a person of ordinary skill in the art can recognize that the present invention can be implemented without using these specific details. In other examples, well-known structures and processes will not be elaborated in detail to avoid obscuring the description of the present invention with unnecessary details. Therefore, the present invention is not intended to be limited to the embodiments shown, but is consistent with the widest scope consistent with the principles and features disclosed in the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present application. For those skilled in the art, other drawings can also be obtained based on these drawings.

[0027] Figure 1 This is a front view of an impact resistance testing device according to an embodiment of the present application.

[0028] Figure 2 This is a left view of an impact resistance testing device according to an embodiment of the present application.

[0029] Figure 3 This is a three-dimensional diagram of an impact resistance testing device according to an embodiment of the present application.

[0030] Figure 4 This is a schematic diagram of the structure before installation of the front and rear adjustment device of an embodiment of the present application.

[0031] Figure 5 This is a schematic diagram of the structure after installation of the front and rear adjustment device of an embodiment of the present application.

[0032] Figure 6 This is a schematic diagram of the structure before installation of the left and right adjustment device of an embodiment of the present application.

[0033] Figure 7 This is a schematic diagram of the structure after installation of the left and right adjustment device of an embodiment of the present application.

[0034] Figure 8 This is a schematic diagram of the structure of the head mold rotating device before installation according to an embodiment of the present application.

[0035] Fig. 9 This is a schematic diagram of the structure of the head mold rotating device after installation according to an embodiment of the present application.

[0036] Figure markings: 1-combined anti-riot helmet; 2-test head model; 3-head model mandible; 4-head model rotating device; 5-U-shaped bracket; 6-front and rear adjustment device; 7-left and right adjustment device; 8-drop hammer test platform; 9-drop hammer; 10-left and right adjustment platform; 41-rotation adjustment hand wheel; 42-fastening screw; 43-rotation support frame; 44-rotation support shaft; 61-front and rear adjustment hand wheel; 62-front and rear adjustment linear guide rail; 63-front and rear adjustment mechanism; 64-front and rear adjustment platform; 65-front and rear adjustment lower support platform; 71-slider; 72-left and right adjustment mechanism; 73-left and right adjustment linear guide rail; 74-left and right adjustment hand wheel. DETAILED DESCRIPTION

[0037] Combined with the accompanying drawings in the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of protection of the present application.

[0038] Embodiment 1

[0039] As Figure 1 and 2 shown, the present application provides an anti-impact performance test device, which includes a test head mold 2, a head mold rotation device 4, a front-back adjustment device 6, a left-right adjustment device 7, and a drop hammer test platform 8; the test head mold 2 is used to install a combined anti-riot helmet 1; the test head mold 2 is arranged on the head mold rotation device 4, and the head mold rotation device 4 can drive the test head mold 2 to rotate by 360°, realizing the 360° rotation of the combined anti-riot helmet. The head mold rotation device 4 is arranged on the drop hammer test platform 8 through the front-back adjustment device 6 and the left-right adjustment device 7. The front-back adjustment device 6 and the left-right adjustment device 7 are fixed on the drop hammer test platform 8. The front-back adjustment device 6 drives the left-right adjustment device 7 and the head mold rotation device 4 to move along the front-back direction, and the left-right adjustment device 7 drives the head mold rotation device 4 to move along the left-right direction, so as to drive the test head mold 2 to move along the front-back direction or the left-right direction through the head mold rotation device 4, and then adjust the part to be tested of the combined anti-riot helmet 1 installed on the test head mold 2 to a position suitable for the test.

[0040] As Figure 3 shown, a drop hammer 9 is arranged above the test head mold 2. The drop hammer 9 freely rises and falls, releases, and impacts directionally within a certain height range. The drop hammer 9 is used to test the part to be tested of the combined anti-riot helmet 1. Preferably, the drop hammer 9 is a steel cylindrical shape, and the impact end face is hemispherical. Preferably, the diameter of the drop hammer 9 is 48mm ± 1mm, and the hardness is 50HRC - 55HRC.

[0041] As a preferred embodiment of the present invention, the test head mold 2 is made of a metal material, and its shape is approximately similar to that of a human head. The test head mold 2 has a head mold mandible 3. The test head mold 2 can be placed horizontally and can move forward and backward or left and right under the drive of the front-back adjustment device 6 and the left-right adjustment device 7. The test head mold 2 can rotate by a certain angle under the drive of the head mold rotation device 4. Therefore, the test head mold 2 can ensure that the ear guards, guide rails, and the joint between the face mask and the helmet body of the combined anti-riot helmet 1 are fixed on the test platform in an upward posture.

[0042] It should be explained that an anti-impact performance test device of the present application can simulate real impact conditions and can accurately measure the response of the helmet when it is impacted.

[0043] like Figure 1-3 As shown, the front-to-back adjustment device 6 is fixedly connected to the drop weight test platform 8; the left-right adjustment device 7 is fixedly connected to the front-to-back adjustment device 6; the front-to-back adjustment device 6 and the left-to-right adjustment device 7 are vertically arranged, and the head mold rotating device 4 is fixedly connected to the left-to-right adjustment device 7.

[0044] like Figure 1 As shown, the head mold rotating device 4 is fixedly connected to the left and right adjustment device 7 through a U-shaped bracket 5. The U-shaped bracket 5 is arranged along the vertical direction, or perpendicular to the plane where the front and rear adjustment device 6 and the left and right adjustment device 7 are located. The U-shaped bracket 5 is used to support and fix the head mold rotating device 4.

[0045] like Figure 4 and 5 As shown, the front-to-back adjustment device 6 includes: a front-to-back adjustment hand wheel 61, a front-to-back adjustment linear guide 62, a front-to-back adjustment mechanism 63, a front-to-back adjustment platform 64 and a front-to-back adjustment lower support platform 65; the front-to-back adjustment linear guide 62 and the front-to-back adjustment mechanism 63 are fixedly connected to the front-to-back adjustment lower support platform 65; the front-to-back adjustment hand wheel 61 is connected to the end of the front-to-back adjustment mechanism 63, and after rotating the front-to-back adjustment hand wheel 61, the front-to-back adjustment mechanism 63 can be driven to rotate, and then the front-to-back adjustment platform 64 can be driven to move along the straight line direction where the front-to-back adjustment mechanism 63 is located; the front-to-back adjustment platform 64 is movably connected to the front-to-back adjustment linear guide 62 and the front-to-back adjustment mechanism 63, and the front-to-back adjustment linear guide 62 is used to guide the movement of the front-to-back adjustment platform 64; the top of the front-to-back adjustment platform 64 is used to be fixedly connected to the left-right adjustment device 7, and after the front-to-back adjustment platform 64 moves, it drives the left-to-right adjustment device 7 fixed thereon to follow its movement as a whole.

[0046] As a specific embodiment of the present invention, the front and rear adjustment mechanism 63 is a linear screw slider actuator, including a linear screw and a slider. The slider is threadedly connected to the linear screw, and the end of the linear screw is connected to the front and rear adjustment hand wheel 61. The slider is fixedly connected to the front and rear adjustment platform 64. When the front and rear adjustment hand wheel 61 is rotated, the front and rear adjustment hand wheel 61 drives the linear screw to rotate, and the slider drives the front and rear adjustment platform 64 to move along the linear screw.

[0047] As a specific embodiment of the present invention, the front-rear adjustment linear guide rails 62 include two, and the two front-rear adjustment linear guide rails 62 are respectively arranged in parallel on both sides of the front-rear adjustment mechanism 63. Both sides of the front-rear adjustment platform 64 are movably connected to the two front-rear adjustment linear guide rails 62.

[0048] like Figure 5 and 6As shown in the figure, the left - right adjustment device 7 includes: a left - right adjustment handwheel 74, a left - right adjustment linear guide 73, a left - right adjustment mechanism 72, and a left - right adjustment platform 10; the left - right adjustment linear guide 73 and the left - right adjustment mechanism 72 are fixedly connected to the front - rear adjustment platform 64, and the front - rear adjustment platform 64 drives the left - right adjustment linear guide 73 and the left - right adjustment mechanism 72 to move; the left - right adjustment handwheel 74 is connected to the end of the left - right adjustment mechanism 72. After the left - right adjustment handwheel 74 rotates, it drives the left - right adjustment mechanism 72 to rotate; the left - right adjustment platform 10 is movably connected to the left - right adjustment linear guide 73 and the left - right adjustment mechanism 72. Driven by the left - right adjustment mechanism 72 and guided by the left - right adjustment linear guide 73, the left - right adjustment platform 10 moves along the straight - line direction where the left - right adjustment mechanism 72 is located; the left - right adjustment platform 10 is movably connected to the left - right adjustment linear guide 73 through a slider 71, and the left - right adjustment platform 10 is movably connected to the left - right adjustment linear guide 73; the left - right adjustment platform 10 is used to fixedly connect the head - mold rotating device 4, and the left - right adjustment platform 10 drives the entire head - mold rotating device 4 to move.

[0049] As a specific embodiment of the present invention, the structure of the left - right adjustment mechanism 72 is the same as that of the front - rear adjustment mechanism 63, and will not be elaborated here.

[0050] As a specific embodiment of the present invention, there are two left - right adjustment linear guides 73, and the two left - right adjustment linear guides 73 are respectively arranged in parallel on both sides of the left - right adjustment mechanism 72. Both sides of the left - right adjustment platform 10 are movably connected to the two left - right adjustment linear guides 73 respectively.

[0051] As Figure 6 shown in Figure 7, the left - right adjustment linear guide 73 and the left - right adjustment mechanism 72 are arranged in parallel, so that when the left - right adjustment mechanism 72 drives the left - right adjustment platform 10 to move, the left - right adjustment linear guide 73 plays a guiding role for the left - right adjustment platform 10.

[0052] As Figure 8 and 9 shown in the figure, the head - mold rotating device 4 includes: a rotation adjustment handwheel 41, a fastening screw 42, a rotation support frame 43, and a rotation support shaft 44; the rotation support frame 43 is fixedly connected to the left - right adjustment device 7 through a bracket; the rotation support shaft 44 is rotatably connected to the rotation support frame 43; one end of the rotation support shaft 44 is connected to the rotation adjustment handwheel 41, and the other end is fixedly connected to the test head - mold 2; the rotation adjustment handwheel 41 adjusts the rotation angle of the rotation support shaft 44 on the rotation support frame 43 to adjust the rotation angle of the test head - mold 2. When the rotation support shaft 44 rotates to a certain angle, the rotation support shaft 44 is fastened to the rotation support frame 43 through the fastening screw 42.

[0053] As a specific embodiment of the present invention, the rotating support frame 43 has a center hole opened along the horizontal direction; the rotating support shaft 44 is rotatably connected in the center hole; the fastening screw 42 is perpendicular to the axial direction of the center hole and is threadedly connected to the rotating support frame 43, and the end of the fastening screw 42 extends into the center hole.

[0054] Embodiment 2

[0055] The present application also provides a method for testing impact resistance performance, which is completed according to the impact resistance performance testing equipment, and the method includes: after installing the combined riot helmet 1 on the test head mold 2, adjusting the position of the combined riot helmet 1 by the front and rear adjustment device 6 and the left and right adjustment device 7, adjusting the angle of the combined riot helmet 1 by the head mold rotating device 4, so that the impact resistance test part of the combined riot helmet 1 is located directly below the drop hammer 9; adjusting the combined riot helmet 1 to a normal use state. Fix the combined riot helmet 1 on the corresponding test head mold 2, adjust the combined riot helmet 1 front and back and left and right, and ensure that the detection point (or impact resistance test part) of the combined riot helmet 1 at the joint between the earmuffs, guide rails or face mask and the helmet body is facing upward. Adjust the height of the drop hammer 9 and release the drop hammer 9 to perform an impact test on the impact resistance test part.

[0056] As a specific embodiment of the present invention, the earmuffs of the combined anti-riot helmet 1 are subjected to an impact resistance test. Specifically, the method for conducting an impact resistance test on the earmuffs of the combined anti-riot helmet 1 is as follows: keep the weak part where the earmuffs are combined with the helmet body facing upward. Adjust the height of the drop hammer 9 to 1000mm±5mm. If a drop hammer system with a guide is used, before each test, it should be verified that the falling speed of the drop hammer system at a height of 60mm from the drop point differs from the free fall speed by no more than ±0.5%. Perform an impact test on the weak parts where the left and right earmuffs are combined with the helmet body respectively. Check whether the impacted part is damaged or detached, whether it can cause secondary damage, and whether it can be used normally.

[0057] As a specific embodiment of the present invention, an impact test is performed on the guide rail of the combined anti-riot helmet 1. Specifically, the method for performing an impact test on the guide rail of the combined anti-riot helmet 1 includes: keeping the weak part of the connection between the guide rail and the helmet body facing upward. Adjust the height of the drop hammer to 1000mm±5mm. If a drop hammer system with a guide is used, before each test, it should be verified that the falling speed of the drop hammer system at a height of 60mm from the drop point does not differ from the free fall speed by more than ±0.5%. An impact test is performed on the rear part of the left and right tactical rail mounting grooves and the joint position with the helmet body respectively. Check whether the impacted part is damaged or detached, whether it can cause secondary damage, and whether it can be used normally.

[0058] As a specific embodiment of the present invention, the mask of the combined anti-riot helmet 1 is subjected to an impact resistance test. Specifically, the method for conducting an impact resistance test on the mask of the combined anti-riot helmet 1 includes: keeping the weak part of the connection between the mask bracket and the tactical rail and the helmet body facing upward. Adjust the height of the drop hammer to 1000mm±5mm. If a guided drop hammer system is used, before each test, it should be verified that the falling speed of the drop hammer system at a height of 60mm from the drop point does not differ from the free fall speed by more than ±0.5%. Perform an impact test on the weak parts of the connection between the left and right brackets of the mask and the tactical rail and the helmet body. Check whether the impacted part is damaged or detached, whether it can cause secondary damage, and whether it can be used normally.

[0059] The impact resistance test method of the present invention realizes a comprehensive and accurate impact resistance test method for combined anti-riot helmets. The method comprehensively considers key indicators such as the impact absorption capacity, protective effect, and durability of the joints of the earmuffs, tactical rails, and the mask and helmet body, and comprehensively evaluates the impact resistance performance of the combined anti-riot helmet through reasonable test plans and parameters.

[0060] As a specific embodiment of the present invention, the data obtained in the impact resistance test is accurately analyzed and evaluated. By analyzing the deformation, stress, damage, secondary damage and other key parameters of the combined anti-riot helmet, the impact resistance of the combined anti-riot helmet is evaluated, and a corresponding evaluation report is provided.

[0061] The invention performs reliability testing on key components of the combined anti-riot helmet, such as ear protection, face mask, tactical rail and helmet body joint, to ensure its stability and durability in actual use. At the same time, the invention can also evaluate the comprehensive performance of the helmet, including indicators such as protection effect, comfort, and durability, providing comprehensive technical support for research and development, production, and equipment of troops.

[0062] The present invention is aimed at the reliability evaluation of the combined anti-riot helmet, and in particular, the reliability of newly added components such as ear protection, mask, tactical rail and the like is tested.

[0063] It should be explained that the present invention determines the force magnitude by referring to the collision energy absorption performance of 49J to determine the maximum force range of the combined anti-riot helmet. The combined anti-riot helmet is subjected to an impact test to measure its deformation degree and damage under different force conditions to determine the force range of the combined anti-riot helmet.

[0064] It should be explained that the present invention determines the impact position by taking the weak parts where the ear protectors, face mask, tactical rails and helmet body are combined as the impact position. By carrying out impact tests on these components, the deformation degree and damage of these components under stress are observed to determine their reliability.

[0065] What needs to be explained is that the test standards and methods are formulated according to the test results. For example, the reliability of the combined anti-riot helmet can be evaluated according to the deformation degree and damage of the combined anti-riot helmet under different stress conditions, and the corresponding qualification standards can be formulated.

[0066] As the test equipment of the present invention: In order to realize the reliability evaluation of the combined riot helmet, the present application provides an impact resistance test equipment, which should have the function of moving forward and backward, left and right to simulate the force conditions of the head in different directions, and can realize the 360° rotation of the combined riot helmet to simulate various situations of the combined riot helmet in actual use.

[0067] Through the above scheme, the reliability of the newly added components of the combined anti-riot helmet, such as ear protection, mask, tactical rail, etc., can be comprehensively evaluated to ensure the stability and durability of the combined anti-riot helmet in actual use. At the same time, by formulating corresponding test standards and methods, it can provide manufacturers with a basis for producing products that meet the standards or provide a basis for purchasing according to the standards.

[0068] What needs to be explained is the rationality of the impact resistance test method: for the newly added components of the combined riot helmet, such as ear protection, mask, tactical rail, etc., it is necessary to develop a reasonable test method to evaluate its impact resistance. This includes determining the appropriate impact energy, impact position, impact angle and other parameters to ensure that the test results can truly reflect the stress of the helmet in actual use.

[0069] It is necessary to explain the stability of the testing equipment: in order to achieve the reliability evaluation of the combined riot helmet, the test equipment needs to be redesigned and manufactured. These devices need to have stable performance, be able to accurately control parameters such as impact energy, impact position and impact angle, and be able to repeat the test to ensure the accuracy and reliability of the test results.

[0070] What needs to be explained is the accuracy of the test results: In order to ensure the accuracy of the test results, it is necessary to strictly control the test conditions and scientifically analyze and process the test data. This includes accurately measuring the degree of deformation and damage of the helmet, and comparing it with the predetermined test standards to determine the reliability of the helmet.

[0071] By solving the above key points, it can be ensured that the reliability evaluation of the combined riot helmet by the present invention is reasonable, accurate and reliable, providing a scientific basis and technical support for the research and development, production and equipment of the troops.

[0072] Providing reference and basis for the research and development of combined anti-riot helmets: This invention proposes a reasonable impact resistance test method, which can comprehensively evaluate the reliability of newly added components such as earmuffs, masks, tactical rails, etc. This provides an important reference and basis for the research and development of combined anti-riot helmets.

[0073] Provide reference and basis for the production of combined anti-riot helmets: The present invention has formulated corresponding test standards and methods, which can provide manufacturers with a basis for producing products that meet the standards. This helps to improve product quality and production efficiency and reduce production costs.

[0074] Provide reference and basis for the purchase of combined anti-riot helmets: The present invention has formulated corresponding testing standards and methods, which can provide a basis for purchasing according to standards. This helps to ensure that products that meet the standards are purchased, and improve procurement efficiency and procurement quality.

[0075] Provide reference and basis for the acceptance of combined anti-riot helmets: The present invention proposes a reasonable test equipment and test method, which can comprehensively evaluate the combined anti-riot helmets. This helps to ensure the stability and durability of the helmets in actual use and improve the acceptance efficiency and quality.

[0076] In summary, the present invention provides a scientific reference and basis for the research and development, production, procurement and acceptance of combined anti-riot helmets, and has important practical application value.

[0077] The beneficial effects achieved by this application are as follows:

[0078] (1) This application conducts reliability testing on key components of the combined riot helmet, such as earmuffs, face mask, tactical rails and the joint between the helmet body, to ensure its stability and durability in actual use.

[0079] (2) The present application provides an impact resistance test device, which should have the function of moving forward and backward and left and right to simulate the force conditions of the head in different directions, and can realize 360° rotation of the combined riot helmet to simulate various situations of the combined riot helmet in actual use.

[0080] (3) The equipment used in this application needs to have stable performance and be able to conduct repeated tests to ensure the accuracy and reliability of the test results.

[0081] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, "plurality" means two or more, unless otherwise clearly and specifically defined.

[0082] In the description of the present application, the word "for example" is used to mean "used as an example, illustration or explanation". Any embodiment described as "for example" in the present application is not necessarily to be construed as being more preferred or advantageous than other embodiments. The following description is given to enable any technician in the field to implement and use the present invention. In the following description, details are listed for the purpose of explanation. It should be understood that a person of ordinary skill in the art can recognize that the present invention can be implemented without using these specific details. In other examples, well-known structures and processes will not be elaborated in detail to avoid obscuring the description of the present invention with unnecessary details. Therefore, the present invention is not intended to be limited to the embodiments shown, but is consistent with the widest scope consistent with the principles and features disclosed in the present application.

[0083] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. An impact resistance test device, It is characterized in that The equipment includes a test head mold, a head mold rotating device, a front-to-back adjustment device, a left-to-right adjustment device and a drop weight test platform; The test head model is used to install a combined riot helmet; The test head mold is arranged on the head mold rotating device; The head mold rotating device is arranged on the drop weight test platform through the front-rear adjusting device and the left-right adjusting device.

2. The impact resistance testing device according to claim 1, It is characterized in that A drop weight is arranged above the test head mold.

3. The impact resistance testing device according to claim 1, It is characterized in that The front-to-back adjustment device is fixedly connected to the drop weight test platform; the left-to-right adjustment device is fixedly connected to the front-to-back adjustment device; the front-to-back adjustment device is vertically arranged with the left-to-right adjustment device, and the head mold rotating device is fixedly connected to the left-to-right adjustment device.

4. The impact resistance testing device according to claim 3, It is characterized in that The head mold rotating device is fixedly connected to the left and right adjusting devices through a U-shaped bracket.

5. The impact resistance testing device according to claim 1, It is characterized in that The front-to-back adjustment device comprises: a front-to-back adjustment hand wheel, a front-to-back adjustment linear guide rail, a front-to-back adjustment mechanism, a front-to-back adjustment platform and a front-to-back adjustment lower support platform; The front-to-back adjustment linear guide rail and the front-to-back adjustment mechanism are fixedly connected to the front-to-back adjustment lower support platform; The front and rear adjustment hand wheel is connected to the end of the front and rear adjustment mechanism; The front-to-back adjustment platform is movably connected to the front-to-back adjustment linear guide rail and the front-to-back adjustment mechanism; The upper part of the front-rear adjustment platform is used for fixedly connecting the left-right adjustment device.

6. The impact resistance testing device according to claim 5, It is characterized in that The left-right adjustment device comprises: a left-right adjustment hand wheel, a left-right adjustment linear guide rail, a left-right adjustment mechanism, and a left-right adjustment platform; The left and right adjustment linear guide rails and the left and right adjustment mechanism are fixedly connected to the front and rear adjustment platform; The left and right adjustment hand wheels are connected to the ends of the left and right adjustment mechanisms; The left-right adjustment platform is movably connected to the left-right adjustment linear guide rails and the left-right adjustment mechanism; The left and right adjustment platforms are used for fixedly connecting with the head mold rotating device.

7. The impact resistance testing device according to claim 6, It is characterized in that The left and right adjustment linear guide rails and the left and right adjustment mechanisms are arranged in parallel.

8. The impact resistance testing device according to claim 1, It is characterized in that The head mold rotating device comprises: a rotating adjustment hand wheel, a fastening screw, a rotating support frame and a rotating support shaft; The rotating support frame is fixedly connected to the left and right adjustment device via a bracket; The rotating support shaft is rotatably connected to the rotating support frame; One end of the rotating support shaft is connected to the rotating adjustment hand wheel, and the other end is fixedly connected to the test head mold; The rotation adjustment hand wheel adjusts the rotation angle of the rotation support shaft on the rotation support frame to adjust the rotation angle of the test head mold. When the rotation support shaft rotates to a certain angle, the rotation support shaft is fastened to the rotation support frame by the fastening screw.

9. The impact resistance testing device according to claim 8, It is characterized in that The rotating support frame has a central hole opened in the horizontal direction; The rotary support shaft is rotatably connected in the central hole; The fastening screw is perpendicular to the axial direction of the central hole and is threadedly connected to the rotating support frame, and the end of the fastening screw extends into the central hole.

10. A method for testing impact resistance. It is characterized in that The impact resistance test device according to any one of claims 1 to 9 is completed, and the method comprises: After the combined anti-riot helmet is installed on the test head mold, the position of the combined anti-riot helmet is adjusted by the front-back adjustment device and the left-right adjustment device, and the angle of the combined anti-riot helmet is adjusted by the head mold rotating device, so that the impact resistance test part of the combined anti-riot helmet is located directly below the drop hammer; Adjust the height of the drop weight and release it to perform an impact test on the impact test area.

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