An impact test device for explosion doors

Abstract

The application discloses an explosion door impact test device, which comprises a fixed base, an outer fixed stand and a fixed support rod arranged on the fixed base, a door frame locking device arranged on a support frame, a swing arm stand arranged on one side of the fixed base, a telescopic arm hinged to the swing arm stand at one end and connected with an impact vertical body at the other end, a pulley block and a steel wire rope, the pulley block being arranged on the top of the swing arm stand, the steel wire rope being wound around the pulley block and connected with the telescopic arm, a lifting device arranged on the swing arm stand, an oil pipe assembly connected with the lifting device and the telescopic arm, and a control cabinet electrically connected to the lifting device and the oil pipe assembly. The device has the advantages that the multiple locking structures of the preliminary positioning of the positioning pin, the screw post driving of the pressing plate and the hinge auxiliary fixing are combined with the slidable support frame, the explosion door is accurately and stably fixed, and the problems of the door frame deviation and loosening in the test process are solved.

Description

Technical Field

[0001] This invention belongs to the technical field of explosion-proof door testing equipment, and particularly relates to an explosion-proof door impact testing device. Background Technology

[0002] Explosion-proof doors are safety protection components used in industries such as mining, chemical, civil defense, and construction. They are mainly used to resist the impact of blast shock waves and high-speed impact objects, preventing the spread of blast energy from causing equipment damage and personnel casualties. Their impact resistance is a core indicator for measuring product quality and safety protection capabilities. Therefore, explosion-proof doors must undergo professional impact tests before leaving the factory and during type testing to accurately detect key performance parameters such as impact deformation, structural stability, and load-bearing capacity.

[0003] Existing traditional explosion-proof door impact testing devices have a relatively simple structural design, mostly employing a fixed impact structure, which has several technical defects: First, the fixed structure of the explosion-proof door has poor stability, and the door frame is prone to displacement and loosening during the test, resulting in large errors in test data and poor test repeatability; Second, the impact mechanism has poor adjustability, unable to flexibly adapt to explosion-proof doors of different specifications and sizes, making it difficult to achieve precise adjustment of impact distance and impact angle, and the impact pendulum is inconvenient to replace, resulting in extremely low adaptability; Third, traditional equipment lacks a buffer transmission structure, and the instantaneous impact load is too large, which can easily cause vibration and structural deformation of the equipment body, reducing the accuracy and service life of the equipment in the long run; Fourth, the equipment lacks a safety maintenance structure and accurate data acquisition function, and cannot record the stress and deformation data of the explosion-proof door in real time during the impact, making it difficult to meet the requirements of standardized and refined testing; at the same time, the fixed structure of the equipment base is rudimentary, with insufficient impact rigidity, and the overall structural stability is unable to withstand high-intensity impact test conditions. Summary of the Invention

[0004] The purpose of this invention is to solve the problems of unstable fixing of explosion-proof doors, poor adjustability of impact mechanisms, low equipment stability, inaccurate test data acquisition, and poor adaptability in the prior art, so as to achieve stable locking of explosion-proof doors, multi-dimensional impact adjustment, and high-precision test detection, while improving the overall structural strength and operational safety of the equipment.

[0005] This invention achieves the above-mentioned objectives through the following technical solution: an explosion-proof door impact testing device, comprising a fixed base, on which an outer fixed column and a fixed support rod are provided, the outer fixed column and the fixed support rod together forming a support frame for installing an explosion-proof door; a door frame locking device, disposed on the support frame, for fixing the explosion-proof door in the test position; a swing arm column, disposed on one side of the fixed base; a telescopic arm, one end of which is hinged to the swing arm column, and the other end of which is connected to an impact plumb bob; and a pulley system and... A steel wire rope, with the pulley block mounted on top of the swing arm column, the steel wire rope wound around the pulley block and connected to the telescopic arm, is used to drive the telescopic arm and the impact plumb bob to lift, lower, and swing; a lifting configuration device is mounted on the swing arm column, used to drive the pulley block and the steel wire rope; an oil pipe assembly is connected to the lifting configuration device and the telescopic arm, providing hydraulic power to the device; and a control cabinet is electrically connected to the lifting configuration device and the oil pipe assembly, used to control the impact test process of the impact plumb bob on the explosion-proof door.

[0006] Preferably, the bottom of the support frame is provided with an installation component, which includes a base and a cement embedded part. The base is fixedly installed at the lower end of the outer fixed column to support the outer fixed column. The cement embedded part is installed below the ground. The base is detachably connected to the cement embedded part by multiple reinforcing locking bolts to achieve stable installation of the outer fixed column and ensure the overall stability of the support frame from the bottom.

[0007] Preferably, the door frame locking device includes a door frame fixing guide groove, a door frame pressing plate, a door frame locking hinge, a fixing base, and a slider. The door frame fixing guide groove is vertically arranged on the support frame; the door frame pressing plate is slidably arranged in the door frame fixing guide groove; the door frame locking hinge is connected to the door frame pressing plate to press and fix the explosion-proof door in the test position; a slider is provided at the bottom of the fixing base, and the fixing base is installed on the ground track through the slider, which can realize the fine adjustment of the overall position of the support frame to adapt to different test conditions.

[0008] Preferably, the telescopic arm includes a telescopic arm body, a rotary adjustment motor, and an impact hammer locking accessory. The telescopic arm body is used to achieve radial telescopic adjustment of the impact distance; the rotary adjustment motor is installed on the telescopic arm body and is used to drive the rotary adjustment of the impact angle; the impact hammer locking accessory is detachably installed at the end of the telescopic arm body and is used to connect and lock the impact hammer, allowing for quick replacement of impact hammers of different specifications and improving the equipment's adaptability.

[0009] Preferably, the impact penetrator includes a hammer body and a locking head. The hammer body is used to physically impact the explosion-proof door. The locking head is coaxially disposed at one end of the hammer body and is used to dock and lock with the end of the telescopic arm. The locking head is provided with an axial limiting structure to effectively prevent the hammer body from loosening or falling off during the impact process and to ensure the stability of the impact operation.

[0010] Preferably, the pulley block includes a fixed pulley, an upper pulley block seat, and a lower pulley block seat. The fixed pulley is rotatably installed inside the upper pulley block seat. The upper pulley block seat is fixedly connected to the swing arm column, and the lower pulley block seat is connected to the telescopic arm. A steel wire rope is wound around the fixed pulley, and its two ends are respectively connected to the upper pulley block seat and the lower pulley block seat, forming a movable pulley transmission structure. This structure can realize the smooth lifting and lowering of the telescopic arm, while also having a buffering effect to reduce the vibration load on the equipment during impact.

[0011] Preferably, the door frame locking device further includes a fixing component, a positioning pin, a tightening stud, and a pressure plate. The fixing component provides an installation reference for the overall structure; the positioning pin is set on the fixing component to perform preliminary positioning of the explosion-proof door and avoid installation misalignment; the tightening stud can be rotatably installed on the fixing component, and the pressure plate is connected to the tightening stud. By rotating the tightening stud, the pressure plate can be driven to press the explosion-proof door, thereby achieving high-strength and stable locking of the explosion-proof door.

[0012] Preferably, a maintenance platform is connected to the swing arm column. The maintenance platform includes a fixed rod, a ladder, and a guardrail. The fixed rod is vertically fixed to the bottom of the maintenance platform to support the platform structure. The ladder connects the swing arm column and the maintenance platform, making it convenient for workers to climb and repair the equipment. The guardrail is set around the platform to effectively ensure the safety of high-altitude maintenance operations.

[0013] Preferably, the control cabinet integrates a data acquisition module, which is connected to the impact plumb bob and the explosion-proof door signal, respectively. It can monitor and record the stress changes and deformation data of the explosion-proof door in real time during the impact process, providing accurate data support for the analysis of test results.

[0014] Preferably, the surface of the fixed base is provided with anti-slip texture, and the four edges of the fixed base are provided with reinforcing ribs, which effectively improves the bending rigidity and overall structural stability of the fixed base, can withstand high-intensity impact loads, and avoids deformation and displacement of the base.

[0015] Compared with the prior art, the beneficial effects of the present invention are: 1. Through a multi-locking structure consisting of initial positioning with locating pins, pressing with studs to drive the pressure plate, and auxiliary fixing with hinges, combined with a sliding and adjustable support frame, the explosion-proof door is accurately and stably fixed, completely solving the problem of door frame offset and loosening during the test, and greatly improving the accuracy and repeatability of test data.

[0016] 2. It adopts an adjustable telescopic arm structure, which can realize radial adjustment of impact distance and rotational adjustment of impact angle. At the same time, it is equipped with a detachable impact hammer lock accessory, which can quickly replace impact hammers of different specifications. It can adapt to the testing needs of explosion-proof doors of different sizes and impact resistance levels, greatly improving the adaptability and versatility of the equipment.

[0017] 3. The pulley block with a dynamic pulley transmission structure, combined with a hydraulically driven lifting device, enables the impact plumb bob to rise, fall, and swing smoothly. It also has a good buffering effect, effectively reducing the vibration and impact load of the equipment at the moment of impact, protecting the equipment structure, extending the service life of the equipment, and ensuring the stability of the test process.

[0018] 4. The bottom reinforcement installation component is set up, and the support frame is fixedly installed by cement embedded parts and reinforcement locking bolts. Combined with the fixed base with reinforcing ribs and anti-slip texture, the overall structural strength and impact resistance of the equipment are greatly improved, and it can be adapted to high-intensity and high-frequency impact test conditions.

[0019] 5. An integrated data acquisition module can collect stress and deformation data during the impact process of the explosion-proof door in real time, realizing digital and precise detection of the test process; at the same time, it is equipped with a maintenance platform with a protective structure to facilitate equipment inspection and maintenance, and greatly improve the safety and practicality of equipment operation. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the present invention; Figure 2 This is a schematic diagram of the fixed base of the present invention; Figure 3 This is a schematic diagram of the inner door frame locking device of the present invention; Figure 4 This is a schematic diagram of the telescopic arm of the present invention; Figure 5 This is a schematic diagram of the impactor of the present invention; Figure 6 This is a schematic diagram of the pulley system of the present invention; Figure 7 This is a schematic diagram of the door frame clamping plate of the present invention; Figure 8 This is a schematic diagram of the safety ladder of the present invention; In the diagram: 1-Fixed base, 2-Outer fixed column, 3-Fixed support rod, 4-Door frame locking device, 5-Explosion-proof door, 6-Swing arm column, 7-Pulley block, 8-Wire rope, 9-Telescopic arm, 10-Impact hammer, 11-Oil pipe assembly, 12-Lifting configuration device, 13-Maintenance platform, 14-Control cabinet, 41-Door frame locking hinge, 42-Door frame pressure plate, 43-Door frame fixed guide groove, 44-Fixed base, 45-Slider, 71-Fixed pulley, 72-Pulley block upper seat, 73-Pulley block lower seat, 91-Telescopic arm body, 92-Rotation adjustment motor, 93-Impact hammer lock accessory, 101-Hammer body, 102-Locking head, 131-Fixed rod, 132-Ladder, 133-Guardrail, 421-Fixed component, 422-Positioning pin, 423-Tightening stud, 424-Pressure plate. Detailed Implementation

[0021] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0022] In the description of this invention, it should be understood that the terms "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0023] Combination Figures 1-8 As shown, an explosion-proof door impact testing device includes a fixed base 1, on which an outer fixed column 2 and a fixed support rod 3 are fixedly installed. The outer fixed column 2 and the fixed support rod 3 are spliced ​​together to form a rectangular support frame, which serves as the test mounting carrier for the explosion-proof door 5. A door frame locking device 4 is installed on the support frame to accurately position and press the explosion-proof door 5 into place, ensuring that the explosion-proof door 5 does not shift or loosen during the test.

[0024] A swing arm column 6 is fixedly installed on one side of the fixed base 1. A telescopic arm 9 is hinged to the upper part of the swing arm column 6. The free end of the telescopic arm 9 is detachably connected to an impact plumb bob 10. A pulley block 7 is installed on the top of the swing arm column 6. A steel wire rope 8 is wound inside the pulley block 7 and its two ends are fixedly connected to the telescopic arm 9. The extension and retraction of the steel wire rope 8 drives the telescopic arm 9 and the impact plumb bob 10 to complete the lifting and swinging movements, realizing the impact test on the explosion-proof door 5. A lifting configuration device 12 is fixedly installed on the side wall of the swing arm column 6. The lifting configuration device 12 is connected to the hydraulic system through the oil pipe assembly 11, providing stable hydraulic power for the transmission of the pulley block 7 and the extension and retraction adjustment of the telescopic arm 9. A control cabinet 14 is installed on the outside of the equipment. The control cabinet 14 is electrically connected to the lifting configuration device 12 and the oil pipe assembly 11 through cables. The operator can accurately control the impact height, impact speed, and impact angle through the control cabinet 14 to complete the automated impact test. To ensure the stability of the support frame installation, a dedicated installation component is installed at the bottom of the support frame, including a base and embedded cement parts. The base is fixedly welded to the lower end of the outer fixed column 2, serving as the load-bearing base of the column. The embedded cement parts are pre-cast below the ground, and the base is locked to the embedded cement parts by multiple sets of reinforcing locking bolts, achieving a detachable and stable installation of the support frame. This prevents the support frame from shifting or shaking during high-intensity impacts. At the same time, the surface of the fixed base 1 is processed with anti-slip textures, and reinforcing ribs are welded to the four edges, significantly improving the structural rigidity and deformation resistance of the fixed base 1, making it less prone to bending or deformation when bearing impact loads. The door frame locking device 4 is the core structure for fixing the explosion-proof door. The door frame fixing guide groove 43 is vertically fixed inside the support frame, and the door frame pressing plate 42 is slidably mounted inside the guide groove, allowing for adaptive height adjustment to accommodate explosion-proof doors of different heights. The door frame pressing plate 42 is connected to the door frame locking hinge 41. The locking action of the hinge causes the pressing plate to adhere to the explosion-proof door frame, achieving initial pressing and fixing. Simultaneously, the locking device is equipped with a fixing component 421 as an installation reference. The fixing component 421 is fitted with a positioning pin 422 and a tightening stud 423. During explosion-proof door installation, the positioning pin 422 can quickly engage with the positioning hole in the door frame, achieving precise alignment and preventing installation misalignment. Rotating the tightening stud 423 drives the pressure plate 424 to press down, providing secondary high-strength pressing to the explosion-proof door frame, forming a double locking structure and completely preventing loosening or displacement of the explosion-proof door during testing. In addition, the bottom fixed base 44 of the locking device is equipped with a slider 45, which is slidably installed on the ground track. The overall position of the support frame can be finely adjusted according to the test requirements to accurately match the impact point of the impact plumb bob 10. The telescopic arm 9 features multi-dimensional adjustment capabilities. The telescopic arm body 91 can extend and retract radially, precisely adjusting the distance between the impact plumb bob 10 and the explosion-proof door 5 to meet the testing requirements of different impact strokes. A rotary adjustment motor 92 is mounted on the telescopic arm body 91, driving the entire telescopic arm 9 to rotate and precisely adjust the impact angle, simulating multi-angle and multi-directional impact conditions. A detachable impact hammer lock accessory 93 is fitted at the end of the telescopic arm 9, allowing for quick disassembly and replacement of impact plumb bobs 10 of different weights and shapes, adapting to impact testing standards for different specifications of explosion-proof doors. The equipment is highly versatile. The impact hammer 10 adopts a split locking structure, with the hammer body 102 as the core impact component. Made of high-strength alloy steel, it is impact-resistant and not easily deformed. A locking head 102 is coaxially mounted at one end of the hammer body 101. The locking head 102 has a built-in axial limiting structure, which, after docking with the impact hammer locking accessory 93, can achieve axial locking and limiting, completely preventing the hammer body from loosening, falling off, or shifting during impact. This ensures the consistency and stability of each impact action and improves the accuracy of test data. The pulley block 7 adopts a movable pulley buffer transmission structure. The fixed pulley 71 is rotatably mounted inside the upper seat 72 of the pulley block. The upper seat 72 of the pulley block is fixed to the top of the swing arm column 6, and the lower seat 73 of the pulley block is hinged to the telescopic arm 9. The steel wire rope 8 is wound around the fixed pulley 71 and its two ends are connected to the upper seat and the lower seat respectively, forming a labor-saving buffer transmission structure. Driven by the lifting device 12, the steel wire rope 8 is wound up and down, driving the telescopic arm 9 to rise and fall smoothly. At the same time, the movable pulley structure can effectively buffer the instantaneous tensile force and vibration load during impact, reduce the wear of the equipment transmission structure, and improve the operational stability and service life of the equipment. To facilitate routine inspection and maintenance of the equipment, a maintenance platform 13 is installed on the upper part of the swing arm column 6. The bottom of the maintenance platform is reinforced and supported by multiple sets of vertical fixing rods 131 to ensure the platform's load-bearing stability. A ladder 132 is fixedly connected between the swing arm column 6 and the platform, allowing workers to climb to the top of the platform for inspection and maintenance of high-altitude components such as the top pulley assembly, telescopic arm hinge, and hydraulic lines. A safety railing 133 is installed around the platform to comprehensively protect the personal safety of workers operating at height and improve the safety of equipment operation. The control cabinet 14 integrates a high-precision data acquisition module. The data acquisition module is connected to the impact plumb bob 10 and the explosion-proof door 5 through sensor lines. During the impact test, it can collect and record key parameters such as stress value, deformation displacement data and impact peak data of the explosion-proof door 5 when it is impacted in real time. The test data is automatically stored and can be exported and analyzed later to accurately determine whether the impact resistance performance of the explosion-proof door meets the standard, realizing the digital and standardized testing of the test process.

[0025] During operation, the overall position of the support frame is first adjusted via the ground track. The explosion-proof door 5 is then precisely positioned using the positioning pin 422. The door frame is locked and hinged 41, and the pressure plate 424 is driven by the tightening stud 423 to complete the double locking and fixing of the explosion-proof door 5. Subsequently, according to the test standards, the impact distance is adjusted via the telescopic arm body 91, and the impact angle is adjusted via the rotation adjustment motor 92. The impact plumb bob 10 of matching specifications is replaced and locked and fixed via the locking accessories. The equipment is started via the control cabinet 14. Under the hydraulic drive of the oil pipe assembly 11, the lifting configuration device 12, in conjunction with the pulley block 7 and the wire rope 8, drives the telescopic arm 9 and the impact plumb bob 10 to the set height. Finally, the impact plumb bob 10 is released, causing it to impact the explosion-proof door 5 at the set speed and angle. During the test, the data acquisition module collects various test data in real time to complete a single impact test. Repeated cyclical operations can be performed to complete batch and multi-group standardized impact tests.

[0026] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0027] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An impact testing device for explosion-proof doors, comprising a fixed base (1), characterized in that: The fixed base (1) is provided with an outer fixed column (2) and a fixed support rod (3), which together form a support frame for installing the explosion-proof door (5); a door frame locking device (4) is provided on the support frame for fixing the explosion-proof door (5) in the test position; a swing arm column (6) is provided on one side of the fixed base (1); a telescopic arm (9) is hinged at one end to the swing arm column (6) and connected to an impact plumb bob (10) at the other end; a pulley block (7) and a wire rope (8) are provided, with the pulley block (7) provided on the top of the swing arm column (6). The steel wire rope (8) is wound around the pulley block (7) and connected to the telescopic arm (9) to drive the telescopic arm (9) and the impact plumb bob (10) to lift and swing; the lifting configuration device (12) is set on the swing arm column (6) to drive the pulley block (7) and the steel wire rope (8); the oil pipe assembly (11) is connected to the lifting configuration device (12) and the telescopic arm (9) to provide hydraulic power to the device; and the control cabinet (14) is electrically connected to the lifting configuration device (12) and the oil pipe assembly (11) to control the impact test process of the impact plumb bob (10) on the explosion-proof door (5).

2. The explosion-proof door impact testing device according to claim 1, characterized in that: The bottom of the support frame is provided with an installation component, which includes a base (11) fixedly installed at the lower end of the outer fixed column (2) for supporting the outer fixed column (2); and a cement embedded part (12) installed below the ground. The base (11) is detachably connected to the cement embedded part (12) by multiple reinforcing locking bolts (13) to achieve stable installation of the outer fixed column (2).

3. The explosion-proof door impact testing device according to claim 2, characterized in that: The door frame locking device (4) includes a door frame fixing guide groove (43), which is vertically arranged on the support frame; a door frame pressing plate (42), which is slidably arranged in the door frame fixing guide groove (43); a door frame locking hinge (41), which is connected to the door frame pressing plate (42) and is used to press and fix the explosion-proof door (5) in the test position; and a fixed base (44) and a slider (45) arranged at its bottom. The fixed base (44) is installed on the ground track through the slider (45) to realize the position adjustment of the entire support frame during the test.

4. The explosion-proof door impact testing device according to claim 3, characterized in that: The telescopic arm (9) includes a telescopic arm body (91) for radial telescopic adjustment of the impact distance; a rotary adjustment motor (92) mounted on the telescopic arm body (91) for driving the rotary adjustment of the impact angle; and an impact hammer lock accessory (93) detachably mounted on the end of the telescopic arm body (91) for connecting and locking the impact pendulum (10) to achieve quick replacement and fixation of impact hammers of different specifications.

5. The explosion-proof door impact testing device according to claim 4, characterized in that: The impact penetrator (10) includes a hammer (101) for physically impacting the explosion-proof door (5); and a locking head (102) coaxially disposed at one end of the hammer (101) for docking and locking with the end of the telescopic arm (9). The locking head (102) has an axial limiting structure to ensure the connection stability of the hammer (101) during the impact process.

6. The explosion-proof door impact testing device according to claim 5, characterized in that: The pulley block (7) includes a fixed pulley (71) rotatably mounted in the upper pulley block seat (72); an upper pulley block seat (72) and a lower pulley block seat (73), the upper pulley block seat (72) being connected to the swing arm column (6), and the lower pulley block seat (73) being connected to the telescopic arm (9); and a steel wire rope (74) wound around the fixed pulley (71) and connected to the upper pulley block seat (72) and the lower pulley block seat (73) respectively, forming a movable pulley transmission structure for realizing the lifting transmission and buffering of the telescopic arm (9).

7. The explosion-proof door impact testing device according to claim 6, characterized in that: The door frame locking device (4) includes a fixing member (421) for providing an installation reference for the structure; a positioning pin (422) disposed on the fixing member (421) for initial positioning of the explosion-proof door (5); a tightening stud (423) disposed on the fixing member (421) and capable of rotational movement; and a pressure plate (424) connected to the tightening stud (423), wherein the tightening stud (423) can drive the pressure plate (424) to apply a clamping force to the explosion-proof door (5) to achieve stable locking of the explosion-proof door (5) during the test.

8. The explosion-proof door impact testing device according to claim 7, characterized in that: The swing arm column (6) is also connected to a maintenance platform, which includes: a fixed rod (131) vertically fixed to the bottom of the maintenance platform to support the structural stability of the maintenance platform; a ladder (132) connected between the swing arm column (6) and the maintenance platform for workers to climb to the maintenance platform; and a guardrail (133) surrounding the maintenance platform to ensure the safety of workers during maintenance.

9. The explosion-proof door impact testing device according to claim 8, characterized in that: The control cabinet (14) integrates a data acquisition module, which is connected to the impact pendulum (10) and the explosion-proof door (5) to monitor and record the stress change and deformation data of the explosion-proof door (5) during the impact process of the impact pendulum (10).

10. The explosion-proof door impact testing device according to claim 9, characterized in that: The surface of the fixed base (1) is provided with anti-slip texture, and the four edges of the fixed base (1) are provided with reinforcing ribs to enhance the overall bending rigidity and structural stability of the fixed base (1) when the support frame is subjected to impact load.

Images