Safety shoe performance detection device

Abstract

The invention relates to the technical field of safety shoes, and provides a safety shoe performance detection device which comprises a detection table, a cross beam frame, a pressure applying device, a knocking device, a fixing device and a first distance measuring device, and the pressure applying device is movably arranged on the side, facing the detection table, of the cross beam frame in the length direction of the cross beam frame; the knocking device is movably arranged on the detection table in the length direction of the detection table; the fixing device is arranged on one side, far away from the knocking device, of the detection table and is spaced from the pressure applying device; the first distance measuring device is arranged on the side, facing the detection table, of the pressure applying device. The safety shoe performance detection device provided by the invention can accurately evaluate the anti-skid performance of the front and back sides of the insole of the safety shoe according to the displacement distance of the insole relative to the pressure applying device and relative to the safety shoe, so that the anti-skid risk is favorably prevented, the safety of a wearer is guaranteed, and the experience feeling and the comfort degree of the user are improved.

Description

Technical Field

[0001] The present application relates to the technical field of safety shoes, and in particular to a safety shoe performance testing device. Background Art

[0002] Safety shoes are shoes used to protect the wearer's feet from various dangers and injuries that may occur in the working environment. Safety shoe performance testing is a process used to ensure that safety shoes meet relevant standards and can effectively protect the wearer's feet.

[0003] Safety shoe performance testing equipment in related technologies usually only tests the compression resistance, puncture resistance, insulation and other properties of the safety shoe body, but does not test the anti-slip performance of the insole, resulting in an inability to accurately evaluate the comfort and safety of the safety shoes. Summary of the invention

[0004] The embodiment of the present application provides a safety shoe performance detection device, which can improve the technical problem in the related art that the anti-slip performance of the safety shoe insole is not detected, resulting in the inability to accurately evaluate the comfort and safety of the safety shoe.

[0005] The present application provides a safety shoe performance detection device, comprising: Testing bench; A crossbeam frame is arranged on the testing platform; the length direction of the crossbeam frame is parallel to the length direction of the testing platform; A pressure device is movably arranged on a side of the cross beam frame facing the detection platform along the length direction of the cross beam frame; the pressure device can be extended and retracted along the height direction of the cross beam frame, and is used to apply pressure to the insole in the safety shoe; a knocking device, movably arranged on the testing platform along the length direction of the testing platform; the knocking device is located on one side of the pressure device along the length direction of the crossbeam, and is used to knock the pressure device along the length direction of the testing platform to cause the pressure device to move relative to the insole or the insole to move relative to the safety shoe; A fixing device is arranged on the testing platform; the fixing device is located on a side of the pressure device away from the knocking device and is spaced apart from the pressure device; the fixing device is used to abut against an end of the safety shoe away from the knocking device to limit the movement of the safety shoe along the length direction of the testing platform; and The first distance measuring device is arranged on the side of the pressure device facing the detection platform, and is used to detect the displacement distance of the pressure device relative to the insole. The above technical solutions in the embodiments of the present application have at least the following technical effects: The safety shoe performance testing device provided in the embodiment of the present application can apply pressure to the insole of the safety shoe through a pressure-applying device arranged on the crossbeam frame to simulate the pressure applied to the insole by a person wearing the safety shoe, and knock the pressure-applying device through a knocking device arranged on the testing platform to simulate the sudden movement or stop of the person wearing the safety shoe, and the safety shoe is made unable to move through a fixing device arranged on the testing platform, so that the first distance measuring device can detect the displacement distance of the insole relative to the pressure-applying device and relative to the safety shoe, and according to the displacement distance of the insole relative to the pressure-applying device and relative to the safety shoe, the anti-slip performance of the front and back sides of the insole of the safety shoe can be accurately evaluated, which is beneficial to prevent the risk of slipping, ensure the safety of the wearer, and enhance the user experience and comfort.

[0006] In some embodiments, the pressure applying device comprises: A lifting rod, one end of which is movably arranged on a side of the cross beam frame facing the detection platform along the length direction of the cross beam frame; the lifting rod can be extended and retracted along the height direction of the cross beam frame; A simulation foot, one end of which is arranged at the other end of the lifting rod; the side of the simulation foot facing the detection platform is parallel to the upper surface of the detection platform; a front pressure component, the front pressure component being disposed on the lifting rod; the front pressure component being used to apply pressure to the other end of the simulated foot toward the detection platform; and A first striking piece is arranged on a side of the lifting rod facing the striking device.

[0007] In some embodiments, the lifting rod is provided with a through hole along the length direction of the crossbeam frame; the lifting rod is provided with a first groove along its own axis direction; the first groove is connected to the through hole; the front pressure assembly includes: A rack, the rack being movably arranged in the through hole along the length direction of the crossbeam frame; A driving gear, the driving gear is arranged in the first groove; the axis of the driving gear is perpendicular to the axis of the lifting rod; the axis of the driving gear is perpendicular to the length direction of the crossbeam frame; the driving gear can rotate around its own axis; A pressurizing swing rod, one end of which is hinged to the other end of the lifting rod; the other end of which is hinged to one end of the rack; and A pressure rod, one end of which is hinged to the pressure swing rod; and the other end of which is hinged to the upper surface of the simulated foot.

[0008] In some embodiments, a second groove is formed on a side of the simulated foot facing the detection platform, and an opening direction of the second groove faces the detection platform; the first distance measuring device includes: A spring bracket, the spring bracket being arranged on the inner bottom surface of the groove; the spring bracket being capable of extending and retracting along the depth direction of the groove; A universal rolling ball, the universal rolling ball is arranged at one end of the spring bracket facing the detection platform; and A displacement measuring device, the displacement measuring device is arranged on the spring bracket; the displacement measuring device is used to detect the rotation of the universal ball and output the displacement distance information; Wherein, the spring bracket is used to push part of the universal ball out of the groove along the depth direction of the groove.

[0009] In some embodiments, the lifting rod is capable of rotating along its own axis; the pressure-applying device further includes a second impact piece, which is disposed on one side of the lifting rod along the width direction of the simulated foot.

[0010] In some embodiments, a second distance measuring device is further included, and the second distance measuring device is arranged on the crossbeam frame; the second distance measuring device is used to detect the moving distance of the pressure applying device on the crossbeam frame.

[0011] In some embodiments, it also includes: a first pressure sensor, the first pressure sensor being disposed along the length direction of the simulated foot at an end away from the striking device; and A second pressure sensor is provided on a side of the simulated foot away from the second striking member along the width direction of the simulated foot.

[0012] In some embodiments, the striking device comprises: A rotating member, the rotating member is movably disposed on the detection platform along the length direction of the detection platform; the rotating member has a rotating shaft; and A striking hammer, one end of which is disposed on the rotating member; The rotating member is used to move to change the position of the striking hammer, and drive the striking hammer to rotate around the rotating axis so that the striking hammer strikes the pressure device.

[0013] In some embodiments, the rotating member comprises: a housing, the housing being movably disposed on the detection platform along a length direction of the detection platform; and A driving motor is disposed in the housing; the axis of the driving motor is the rotating shaft; and the power output end of the driving motor is connected to one end of the striking hammer.

[0014] In some embodiments, the fixing device includes a fixing piece, which is arranged on the detection platform; the fixing piece is located on the side of the pressure device away from the knocking device; the side of the fixing piece facing the pressure device is a curved surface; the curved surface is used to fit the toe part of the safety shoe. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application, 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 of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 A schematic diagram of the structure of a safety shoe performance testing device provided in an embodiment of the present application; Figure 2 A schematic structural diagram of a safety shoe performance testing device from another perspective provided in an embodiment of the present application; Figure 3 A cross-sectional view of a pressure-applying device of a safety shoe performance testing device provided in an embodiment of the present application.

[0017] Among them, the reference numerals in the figure are: 100. Safety shoe performance testing device; 10. Testing platform; 20. Crossbeam; 30. Pressure device; 31. Lifting rod; 311. Through hole; 312. First groove; 32. Simulated foot; 321. Second groove; 33. Front pressure assembly; 331. Rack; 332. Driving gear; 333. Pressure rocker; 334. Pressure rod; 34. First impact piece; 35. Second impact piece; 40. Striking device; 41. Rotating piece; 42. Striking hammer; 50. Fixing device; 51. Fixing piece; 52. Arc surface; 60. First distance measuring device; 61. Spring bracket; 62. Universal ball; 70. Second distance measuring device; 80. First pressure sensor; 90. Second pressure sensor; A. Length direction of testing platform; B. Width direction of testing platform. DETAILED DESCRIPTION

[0018] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0019] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs; the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit this application. The terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned figure descriptions are intended to cover non-exclusive inclusions.

[0020] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0021] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0022] In addition, 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 the indicated technical features. 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, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0023] In this application, "and / or" is only a description of the association relationship of associated objects, indicating that there can be three relationships; for example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0024] It should be noted that, in the present application, words such as "in some embodiments", "exemplarily", "for example", etc. are used to indicate examples, illustrations or descriptions. Any embodiment or design described in the present application as "in some embodiments", "exemplarily", "for example" should not be interpreted as being more preferred or more advantageous than other embodiments or designs. Specifically, the use of words such as "in some embodiments", "exemplarily", "for example", etc. is intended to present related concepts in a concrete way, meaning that specific features, structures or characteristics described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the above words in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0025] Safety shoes are shoes used to protect the wearer's feet from various dangers and injuries that may occur in the working environment. Safety shoe performance testing is a process used to ensure that safety shoes meet relevant standards and can effectively protect the wearer's feet.

[0026] Safety shoe performance testing equipment in the related art usually only tests the compression resistance, puncture resistance, insulation and other properties of the safety shoe body, but does not test the insole, resulting in an inability to accurately evaluate the comfort and safety of the safety shoes.

[0027] Based on this, in order to improve the technical problem in the related art that the performance of the insoles of the safety shoes is not tested, resulting in the inability to accurately evaluate the comfort and safety of the safety shoes, the embodiments of the present application provide the following solution.

[0028] Please also read Figure 1 and Figure 2The embodiment of the present application provides a safety shoe performance testing device 100, which includes a testing platform 10, a beam frame 20, a pressure device 30, a knocking device 40, a fixing device 50 and a first distance measuring device 60. The beam frame 20 is arranged on the testing platform 10; the length direction of the beam frame 20 is parallel to the length direction A of the testing platform. The pressure device 30 is movably arranged on the side of the beam frame 20 facing the testing platform 10 along the length direction of the beam frame 20; the pressure device 30 can be extended and retracted along the height direction of the beam frame 20, and is used to apply pressure to the insole in the safety shoe. The knocking device 40 is movably arranged on the testing platform 10 along the length direction A of the testing platform; the knocking device 40 is located on one side of the pressure device 30 along the length direction of the beam frame 20, and is used to knock the pressure device 30 along the length direction A of the testing platform, so that the pressure device 30 is displaced relative to the insole or the insole is displaced relative to the safety shoe. The fixing device 50 is arranged on the testing platform 10; the fixing device 50 is located on the side of the pressure device 30 away from the knocking device 40, and is spaced apart from the pressure device 30; the fixing device 50 is used to abut against the end of the safety shoe away from the knocking device 40 to limit the movement of the safety shoe along the length direction A of the testing platform; the first distance measuring device 60 is arranged on the side of the pressure device 30 facing the testing platform 10, and is used to detect the displacement distance of the pressure device 30 relative to the insole.

[0029] It can be understood that the test bench 10 is a component used to provide a flat test plane. For example, the test bench 10 can be a wooden table or a metal plate, but it is not limited thereto. The crossbeam frame 20 is a component used to provide suspension support. For example, the crossbeam frame 20 may include two support rods and a hard rod. The two support rods are spaced apart along the length direction A of the test bench, and the two ends of the long rod are respectively arranged on the two support rods, so that the long rod is erected above the test bench 10; or it may include two hanging ropes and a guide rail. The two hanging ropes are spaced apart along the length direction A of the test bench, and the two ends of the guide rail are respectively arranged at one end of the two hanging ropes, so that the guide rail is suspended above the test bench 10, but it is not limited thereto. The pressure device 30 is a component used to apply pressure toward the plane of the test bench 10 to the insole of the safety shoe and the safety shoe being tested to simulate the pressure on the insole and the safety shoe when a person wears the shoe. The pressure device 30 may include an object that can move toward the test bench 10 to apply pressure to the insole of the safety shoe, but it is not limited thereto. The knocking device 40 is a component used to knock the pressure device 30 to cause relative displacement between the human foot and the insole. The knocking device 40 can simulate the relative displacement between the human foot and the insole when a person wearing safety shoes suddenly moves or suddenly stops. The knocking device 40 may include a driving component and a knocking component. The driving component is arranged on one side of the pressure device 30, and the knocking component is connected to the driving component. The knocking component is driven to move by the driving component, thereby completing the knocking of the pressure device 30. The driving component may include a rotating cylinder, or may include a servo motor, but is not limited thereto; the knocking component may use a metal hammer, or may use a rubber hammer, but is not limited thereto. The fixing device 50 is a component used to fix the safety shoes during the test process. For example, the fixing device 50 may include multiple elastic bands, and the two ends of the elastic bands are arranged on the test table 10 at intervals. The multiple elastic bands are arranged at intervals so that the elastic bands fit the test table 10. When the safety shoes need to be fixed, the elastic bands are pulled up to move the elastic bands away from the test table 10, and the safety shoes are placed between the elastic bands and the test table 10, so that the elastic bands are contracted to complete the fixation; or the fixing device 50 may include a fixing block, which is abutted against one end of the safety shoe to fix the safety shoe, but is not limited to this. The first distance measuring device 60 is a component for detecting the displacement distance of the pressure device 30 relative to the insole. By detecting the displacement distance of the pressure device 30 relative to the insole, the anti-slip performance of the insole is reflected. The first distance measuring device 60 may include a roller and a rotary encoder. The roller is set at the bottom of the pressure device 30, and the rotary encoder is set on the roller. The travel distance of the roller is obtained by measuring the rotation angle of the roller, and then the displacement distance of the pressure device 30 relative to the insole is obtained; or the first distance measuring device 60 can use a laser rangefinder to detect the displacement distance of the pressure device 30 relative to the insole through the laser rangefinder, but is not limited to this.

[0030] As can be seen from the above, the safety shoe performance testing device 100 provided in the embodiment of the present application applies pressure to the insole of the safety shoe through the pressure-applying device 30 arranged on the crossbeam frame 20 to simulate the pressure generated on the insole by a person wearing the safety shoe, and knocks the pressure-applying device 30 through the knocking device 40 arranged on the testing platform 10 to simulate the sudden movement or stop of a person wearing the safety shoe, and the safety shoe is made unable to move through the fixing device 50 arranged on the testing platform 10, so that the first distance measuring device 60 can detect the displacement distance of the insole relative to the pressure-applying device 30 and relative to the safety shoe. According to the displacement distance of the insole relative to the pressure-applying device 30 and relative to the safety shoe, the anti-slip performance of the front and back sides of the insole of the safety shoe can be accurately evaluated, which is beneficial to prevent the risk of slipping, ensure the safety of the wearer, and enhance the user experience and comfort.

[0031] In some embodiments, please refer to Figure 1 The pressure-applying device 30 includes a lifting rod 31, a simulation foot 32, a front pressure assembly 33 and a first striking piece 34. One end of the lifting rod 31 is movably arranged on the side of the beam frame 20 facing the detection platform 10 along the length direction of the beam frame 20; the lifting rod 31 can be extended and retracted along the height direction of the beam frame 20; one end of the simulation foot 32 is arranged at the other end of the lifting rod 31; the side of the simulation foot 32 facing the detection platform 10 is parallel to the upper surface of the detection platform 10; the front pressure assembly 33 is arranged on the lifting rod 31; the front pressure assembly 33 is used to apply pressure toward the detection platform 10 to the other end of the simulation foot 32; the first striking piece 34 is arranged on the side of the lifting rod 31 facing the knocking device 40.

[0032] It can be understood that the lifting rod 31 is a component that can be extended and retracted to provide pressure. For example, the lifting rod 31 can be a hydraulic cylinder, or an electric telescopic rod, but it is not limited to this. The crossbeam frame 20 may include a guide rail and an electric slider that can move along the guide rail. One end of the lifting rod 31 is connected to the slider so that the lifting rod 31 can move along the length direction of the crossbeam frame 20. The simulated foot 32 is a component that simulates the shape of a human foot. By pressing the simulated foot 32 against the safety shoe through the lifting rod 31, the pressure distribution on the safety shoe and the sole can be made closer to the actual use. The surface of the simulated foot 32 can be covered with different materials to simulate the friction of the skin or socks when a person wears safety shoes in actual use. For example, it can be covered with cotton cloth, or it can be covered with silica gel, but it is not limited to this. The front pressure component 33 is a component used to abut against the other end of the simulated foot 32 and apply pressure to the other end of the simulated foot 32. The elongation of the lifting rod 31 and the front pressure component 33 can be adjusted respectively to simulate the force of the human foot in different postures, thereby testing the anti-slip performance of the insole of the safety shoe under different conditions. The first impact piece 34 is a component used to withstand impact to avoid damage to the lifting rod 31. The first impact piece 34 can be detachably set on the lifting rod 31, for example, it can be connected to the lifting rod 31 by bolts, or it can be adhered to the lifting rod 31 by adhesive. The first impact piece 34 can be a metal plate, or it can be a rubber plate, but is not limited to this.

[0033] In this way, the safety shoe to be tested is put on the simulated foot 32, and the lifting rod 31 and the front pressure assembly 33 are controlled to apply pressure to the two ends of the simulated foot 32 respectively according to the test conditions. The first impact piece 34 is struck by the striking device 40, so that the simulated foot 32 is displaced along the length direction A of the test platform. This is conducive to simulating a variety of actual usage scenarios to test the safety shoes, improve the utilization rate and use efficiency of the safety shoe performance testing device 100, and improve the comprehensiveness of the safety shoe performance testing.

[0034] Optionally, in some embodiments, see Figure 1 and Figure 3The lifting rod 31 is provided with a through hole 311 along the length direction of the cross beam frame 20; the lifting rod 31 is provided with a first groove 312 along its own axis direction; the first groove 312 is connected with the through hole 311; the front pressurizing assembly 33 includes a rack 331, a driving gear 332, a pressurizing swing rod 333 and a pressurizing rod 334, the rack 331 is movably provided in the through hole 311 along the length direction of the cross beam frame 20; the driving gear 332 is provided in the first groove 312; The axis of the driving gear 332 is perpendicular to the axis of the lifting rod 31; the axis of the driving gear 332 is perpendicular to the length direction of the crossbeam frame 20; the driving gear 332 can rotate around its own axis; one end of the pressure rocker 333 is hinged to the other end of the lifting rod 31; the other end of the pressure rocker 333 is hinged to one end of the rack 331; one end of the pressure rod 334 is hinged to the pressure rocker 333; the other end of the pressure rod 334 is hinged to the upper surface of the simulation foot 32.

[0035] It can be understood that the cross-sectional shape of the through hole 311 can match the rack 331. For example, the cross-sectional shape of the through hole 311 can be circular or square, but is not limited thereto. The cross-sectional shape of the first groove 312 can be square or circular, but is not limited thereto. A limiting structure is provided at both ends of the rack 331. For example, a limiting member can be provided at both ends of the rack 331, so that the rack 331 cannot continue to move when the end portion contacts the driving gear 332. The limiting member can be a block protruding from the tooth surface of the rack 331, so that the two ends of the rack 331 cannot mesh with the driving gear 332; or a rod body perpendicular to the length direction of the rack 331 can be used, and the rod body can abut against the side of the lifting rod 31, so that the end portion of the rack 331 cannot pass through the through hole 311, but is not limited thereto. At least part of the driving gear 332 protrudes from the first groove 312 to mesh with the rack 331 in the through hole 311. The front pressurizing assembly 33 further includes a driving motor, which is disposed in the first groove 312, and the power output end of the driving motor is connected to the driving gear 332. The pressurizing swing rod 333 is a component for transmitting pressure, and the pressurizing swing rod 333 can be a long rod, one end of which can be connected to the other end of the lifting rod 31 through a hinge, or can be connected to the other end of the lifting rod 31 through a pin shaft, but is not limited thereto. The pressurizing rod 334 is a component for changing the direction of pressure and transmitting pressure, and the pressurizing rod 334 can be telescopic, for example, the pressurizing rod 334 can be a hydraulic telescopic rod, or the pressurizing rod 334 can include a spring, a movable rod, and a fixed rod, the fixed rod has an internal space, the spring is disposed in the fixed rod, one end of the spring is disposed on the inner wall of one end of the fixed rod, the movable rod is movably disposed in the fixed rod, the outer wall of the movable rod is in sliding contact with the inside of the fixed rod, one end of the movable rod is connected to the spring, and at least part of the movable rod is in the internal space of the fixed rod, but is not limited thereto.

[0036] In this way, the rack 331 is driven to move by the rotation of the driving gear 332, and the driving rack 331 moves to rotate the pressure-applying rocker 333, thereby compressing the pressure-applying rod 334 or releasing the pressure-applying rod 334 to increase or decrease the pressure applied to one end of the simulated foot 32. By designing the components that apply pressure to both ends of the simulated foot 32 as an integrated whole, and by the coordination of the rack 331 and the driving gear 332, the pressure-applying device 30 will not affect the pressure on the simulated foot 32 when it is struck, and will not affect the pressure on the safety shoes. This can effectively improve the accuracy of safety shoe performance testing, improve the reliability of the safety shoe performance testing device 100, extend the service life of the safety shoe performance testing device 100, and reduce the cost of safety shoe performance testing.

[0037] Optionally, see Figure 1 and Figure 3 A second groove 321 is provided on the side of the simulation foot 32 facing the detection platform 10, and the opening direction of the second groove 321 faces the detection platform 10; the first distance measuring device 60 includes a spring bracket 61, a universal ball 62 and a displacement meter, the spring bracket 61 is arranged on the inner bottom surface of the groove; the spring bracket 61 can be extended and retracted along the depth direction of the groove; the universal ball 62 is arranged at one end of the spring bracket 61 facing the detection platform 10; the displacement meter is arranged on the spring bracket 61; the displacement meter is used to detect the rotation of the universal ball 62 and output the displacement distance information; wherein, the spring bracket 61 is used to push part of the universal ball 62 out of the groove along the depth direction of the groove.

[0038] It can be understood that the spring bracket 61 is a component for clamping the universal ball 62 and pushing the universal ball 62 toward the detection platform 10. The clamping of the universal ball 62 by the spring bracket 61 does not affect the rolling of the universal ball 62. The spring bracket 61 may include a semi-enclosed shell and a spring, one end of the spring is arranged on the inner bottom surface of the groove, and the semi-enclosed shell is arranged on the other end of the spring, and the semi-enclosed shell has a receiving space; the semi-enclosed shell has an opening on the side facing the detection platform 10, and the diameter of the opening of the semi-enclosed shell is smaller than the diameter of the universal ball 62. The universal ball 62 is arranged in the receiving space; at least part of the universal ball 62 protrudes from the opening of the semi-enclosed shell and protrudes from the simulation foot 32; the universal ball 62 abuts against the inner wall of the semi-enclosed shell on the side away from the detection platform 10. The displacement measuring device may use a photoelectric encoder, or may use a Hall effect sensor, but is not limited thereto.

[0039] In this arrangement, the universal ball 62 is clamped by the spring bracket 61 and pushed toward the testing platform 10, so that the universal ball 62 can maintain contact with the insole of the safety shoe. The rolling distance of the universal ball 62 is detected by the displacement measuring device, and the displacement distance of the simulated foot 32 relative to the insole of the safety shoe can be obtained, and then the anti-slip performance of the insole of the safety shoe can be evaluated through the displacement distance. In this way, the comprehensiveness and accuracy of the safety shoe performance testing work can be improved, and the quality of the safety shoe can be controlled more accurately.

[0040] In some embodiments, see Figure 1 , the lifting rod 31 can rotate along its own axis; the pressure device 30 also includes a second impact piece 35, and the second impact piece 35 is arranged on one side of the lifting rod 31 along the width direction of the simulated foot 32.

[0041] It can be understood that one end of the lifting rod 31 is connected to the cross beam frame 20 and the lifting rod 31 can rotate along its own axis. For example, a through hole 311 can be opened at one end of the lifting rod 31, and one end of the lifting rod 31 is connected to the cross beam frame 20 by a bolt. The lifting rod 31 is spaced from the cross beam frame 20 so that the lifting rod 31 can rotate; or a rotation groove can be set at one end of the lifting rod 31, and a protrusion structure can be set on the cross beam frame 20. The protrusion structure is embedded in the rotation groove to form a match, so that the lifting rod 31 can rotate along its own axis, but it is not limited thereto. The second impact piece 35 can adopt the same structure as the first impact piece 34.

[0042] With such arrangement, by rotating the lifting rod 31, the second striking piece 35 is subjected to the striking of the striking device 40, thereby changing the force direction of the pressure-applying device 30, and thereby being able to test the anti-slip performance of the insole of the safety shoe during lateral movement or emergency stop. This can improve the integrity of the safety shoe performance testing device 100 in testing the safety shoe, improve the applicability of the safety shoe performance testing device 100, improve the utilization rate of the safety shoe performance testing device 100, and reduce the use cost of the safety shoe performance testing device 100.

[0043] Optionally, in some embodiments, see Figure 1 and Figure 2 The safety shoe performance detection device 100 further includes a second distance measuring device 70 , which is disposed on the crossbeam frame 20 ; the second distance measuring device 70 is used to detect the moving distance of the pressure applying device 30 on the crossbeam frame 20 .

[0044] It can be understood that the second distance measuring device 70 can obtain the moving distance of the pressure device 30 on the crossbeam frame 20 by measuring the distance difference between the pressure device 30 and the second distance measuring device 70 before and after being struck by the striking device 40. The second distance measuring device 70 can be an infrared rangefinder or a laser rangefinder, but is not limited thereto.

[0045] In this way, the second distance measuring device 70 is arranged on the cross beam frame 20, and the moving distance of the pressure device 30 on the cross beam frame 20 is detected by the second distance measuring device 70. By calculating the difference between the moving distances detected by the second distance measuring device 70 and the first distance measuring device 60, the distance that the insole of the safety shoe moves relative to the shoe body of the safety shoe after the knocking device 40 knocks the pressure device 30 can be obtained, and then the anti-slip performance of the other side of the insole of the safety shoe can be evaluated, so that the safety shoe performance detection device 100 can obtain more complete data to make a more accurate evaluation of the performance of the safety shoe, thereby improving the safety of the safety shoe and effectively protecting the safety of the wearer.

[0046] Optionally, see Figure 1 and Figure 2 The safety shoe performance detection device 100 also includes a first pressure sensor 80 and a second pressure sensor 90. The first pressure sensor 80 is arranged at one end away from the striking device 40 along the length direction of the simulated foot 32; the second pressure sensor 90 is arranged on one side of the simulated foot 32 away from the second striking member 35 along the width direction of the simulated foot 32.

[0047] It is understood that the first pressure sensor 80 may be a strain gauge pressure sensor or a piezoelectric pressure sensor, but is not limited thereto. The second pressure sensor 90 may be a sensor of the same type as the first pressure sensor 80 .

[0048] In this way, by arranging the first pressure sensor 80 at one end away from the knocking device 40 along the length direction of the simulated foot 32, it is possible to detect the pressure exerted on the safety shoe by one end of the simulated foot 32 when the first striking member 34 moves along its own length direction to abut against the safety shoe after being struck by the knocking device 40; by arranging the second pressure sensor 90 at one side of the simulated foot 32 away from the second striking member 35 along the width direction of the simulated foot 32, it is possible to detect the pressure exerted on the safety shoe by one side of the simulated foot 32 when the second striking member 35 moves along its own width direction to abut against the safety shoe after being struck by the knocking device 40. In this way, the anti-skid performance of the insole of the safety shoe can be further comprehensively and accurately evaluated based on the pressure exerted on the simulated foot 32, and the comfort of the wearer wearing the safety shoe can be directly reflected, which is conducive to improving the reliability of the safety shoe performance detection device 100.

[0049] In some embodiments, see Figure 1 and Figure 2The knocking device 40 includes a rotating member 41 and a knocking hammer 42. The rotating member 41 is movably arranged on the testing platform 10 along the length direction A of the testing platform; the rotating member 41 has a rotating axis; one end of the knocking hammer 42 is arranged on the rotating member 41; wherein the rotating member 41 is used to move to change the position of the knocking hammer 42, and drive the knocking hammer 42 to rotate around the rotating axis so that the knocking hammer 42 knocks the pressure device 30.

[0050] It can be understood that the rotating member 41 is a component used to drive the knocking hammer 42 to move. For example, the rotating member 41 can adopt a servo motor or a rotary cylinder, but it is not limited to this. A slide groove can be opened on the detection platform 10 along the length direction A of the detection platform, a slider is set in the slide groove, and the rotating member 41 is set on the slider so that the rotating member 41 can move along the length direction A of the detection platform; or a slide rail can be set on the detection platform 10 along the length direction A of the detection platform, a slide table is set on the slide rail, and the rotating member 41 is set on the slide table so that the rotating member 41 can move along the length direction A of the detection platform, but it is not limited to this. The knocking hammer 42 may include a hammer handle and a knocking member, one end of the hammer handle is connected to the power output shaft of the rotating member 41, and the knocking member is connected to the other end of the hammer handle; or the knocking hammer 42 may include a connecting rope and a knocking member, one end of the connecting rope is connected to the power output shaft of the rotating member 41, and the knocking member is connected to the other end of the connecting rope, but it is not limited to this.

[0051] In this way, by movably arranging the rotating member 41 on the testing platform 10, the rotating member 41 drives the striking hammer 42 to strike the pressure-applying device 30, thereby reducing the required space, improving the portability of the safety shoe performance testing device 100, and being able to perform more precise force control, provide continuous and stable striking, improve the detection accuracy of the safety shoe performance testing device 100, flexibly change the striking position to adjust the force angle of the pressure-applying device 30, so that the safety shoe performance testing device 100 can be tested under various working conditions, thereby improving the adaptability of the safety shoe performance testing device 100.

[0052] In some embodiments, the rotating member 41 includes a shell and a driving motor, the shell is movably arranged on the testing platform 10 along the length direction A of the testing platform; the driving motor is arranged in the shell; the axis of the driving motor is the rotating axis; the power output end of the driving motor is connected to one end of the striking hammer 42.

[0053] It can be understood that the housing is a component used to carry the drive motor and can move on the test bench 10. For example, the housing may include a slide, and a slide groove is provided on the test bench 10, and the slide is arranged in the slide groove, and the drive motor is arranged on the slide; or the housing may include a table body and a plurality of rollers, and the drive motor is arranged on the table body by arranging the plurality of rollers at intervals on the side of the table body, but it is not limited thereto. The drive motor may be a stepper motor or a servo motor, but it is not limited thereto.

[0054] In this way, by setting the driving motor on a movable shell, the power output end of the driving motor is connected to one end of the striking hammer 42. By moving the shell, the striking hammer 42 can always strike the same position on the pressure device 30, or the striking angle and strength of the striking hammer 42 can be flexibly changed, thereby effectively improving the adaptability of the safety shoe performance testing device 100 and improving the integrity of the safety shoe performance testing device 100 in detecting the safety shoes.

[0055] Optionally, in some embodiments, the rotating member 41 includes a slide, a pull rope, a clockwork capstan and a twist rod, the slide is movably arranged on the testing table 10 along the length direction A of the testing table; one end of the pull rope is movably arranged on the side of the slide away from the pressure-applying device 30, and one end of the pull rope is spaced from the slide; the clockwork capstan is arranged on the slide, and the clockwork capstan can rotate around its own axis; the axis of the clockwork capstan is perpendicular to the length direction A of the testing table and parallel to the plane of the testing table 10; the twist rod is arranged at one end of the clockwork capstan; the other end of the pull rope is fixedly connected to one end of the twist rod, and the pull rope is wound around one end of the twist rod close to the clockwork capstan; the other end of the twist rod is connected to one end of the strike hammer 42; the axis of the twist rod coincides with the axis of the clockwork capstan.

[0056] It can be understood that the slide can include a platform body and a plurality of electric rollers, and the plurality of electric rollers are arranged at intervals on the side of the platform body so that the slide can move along the length direction A of the detection platform. The pull rope can be a nylon rope or a metal rope, but is not limited thereto. The clockwork capstan is used for automatic winding to keep the tension of the pull rope at all times. The pull rope can be tied with a detachable bolt, or can be glued with a movable slider by gluing, so that the two ends are respectively arranged on the detection platform 10 and the twisted wire rod.

[0057] In this way, the slide moves along the length direction A of the testing platform, so that the spring capstan moves toward the pressure device 30, the tension of the pull rope increases, the spring capstan and the twist rod are pulled to rotate, and then the striking hammer 42 rotates and strikes the pressure device 30. The force with which the striking hammer 42 strikes the pressure device 30 is adjusted by controlling the moving speed of the slide, and the angle at which the striking hammer 42 strikes the pressure device 30 is adjusted by adjusting the distance between one end of the pull rope and the pressure device 30. Without adjusting the moving speed of the slide and the distance between one end of the pull rope and the pressure device 30, it is ensured that the magnitude and direction of the striking force applied to the pressure device 30 are consistent, which is beneficial to controlling the variables of the safety shoe performance testing device 100, improving the efficiency of the safety shoe performance testing work, and improving the accuracy of the safety shoe performance testing results.

[0058] In some embodiments, see Figure 1 and Figure 2The fixing device 50 includes a fixing member 51, which is arranged on the testing platform 10; the fixing member 51 is located on the side of the pressure device 30 away from the knocking device 40; the side of the fixing member 51 facing the pressure device 30 is an arc surface 52; the arc surface 52 is used to fit the toe part of the safety shoe.

[0059] It can be understood that the fixing member 51 can be a block, which is arranged on the side of the pressure device 30 away from the knocking device 40, and the side of the block facing the pressure device 30 is a curved surface 52, which can fit the toe part of the safety shoe.

[0060] Optionally, in some embodiments, the width of the fixing device 50 is greater than the width of the safety shoes; the fixing device 50 includes a plurality of elastic limit frames, which are arranged on the testing platform 10 along the length direction A of the testing platform, and the elastic limit frames are located on the side of the pressure device 30 away from the knocking device 40; the elastic limit frames can be contracted along the length direction A of the testing platform; and the plurality of elastic limit frames are arranged side by side along the width direction B of the testing platform.

[0061] It can be understood that the width of the fixing device 50 is the sum of the widths of the multiple elastic limiting frames and the distances between the multiple elastic limiting frames.

[0062] In this arrangement, the safety shoes are fixed by the fixing device 50, and when the knocking device 40 knocks the pressure-applying device 30, the safety shoes are prevented from moving, so that the displacement distance of the pressure-applying device 30 relative to the insole and the displacement distance of the pressure-applying device 30 relative to the safety shoes can be accurately measured, thereby effectively reducing irrelevant variables of the safety shoe performance detection device 100, and accurately evaluating the anti-slip performance of the front and back sides of the insole of the safety shoe, which is beneficial to preventing the risk of slipping, ensuring the safety of the wearer, and enhancing the user experience and comfort.

[0063] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A safety shoe performance testing device, characterized in that: include: Testing bench; A crossbeam frame is arranged on the testing platform; the length direction of the crossbeam frame is parallel to the length direction of the testing platform; A pressure device is movably arranged on a side of the cross beam frame facing the detection platform along the length direction of the cross beam frame; the pressure device can be extended and retracted along the height direction of the cross beam frame, and is used to apply pressure to the insole in the safety shoe; a knocking device, movably arranged on the testing platform along the length direction of the testing platform; the knocking device is located on one side of the pressure device along the length direction of the crossbeam, and is used to knock the pressure device along the length direction of the testing platform to cause the pressure device to move relative to the insole or the insole to move relative to the safety shoe; A fixing device is arranged on the testing platform; the fixing device is located on a side of the pressure device away from the knocking device and is spaced apart from the pressure device; the fixing device is used to abut against an end of the safety shoe away from the knocking device to limit the movement of the safety shoe along the length direction of the testing platform; and The first distance measuring device is arranged on a side of the pressure applying device facing the detection platform, and is used to detect the displacement distance of the pressure applying device relative to the insole.

2. The safety shoe performance testing device according to claim 1, characterized in that: The pressure applying device comprises: A lifting rod, one end of which is movably arranged on a side of the cross beam frame facing the detection platform along the length direction of the cross beam frame; the lifting rod can be extended and retracted along the height direction of the cross beam frame; A simulation foot, one end of which is arranged at the other end of the lifting rod; the side of the simulation foot facing the detection platform is parallel to the upper surface of the detection platform; a front pressure component, the front pressure component being disposed on the lifting rod; the front pressure component being used to apply pressure to the other end of the simulated foot toward the detection platform; and A first striking piece is arranged on a side of the lifting rod facing the striking device.

3. The safety shoe performance testing device according to claim 2, characterized in that: The lifting rod is provided with a through hole along the length direction of the crossbeam frame; the lifting rod is provided with a first groove along its own axis direction; the first groove is connected with the through hole; the front pressure assembly includes: A rack, the rack being movably arranged in the through hole along the length direction of the crossbeam frame; A driving gear, the driving gear is arranged in the first groove; the axis of the driving gear is perpendicular to the axis of the lifting rod; the axis of the driving gear is perpendicular to the length direction of the crossbeam frame; the driving gear can rotate around its own axis; A pressurizing swing rod, one end of which is hinged to the other end of the lifting rod; the other end of which is hinged to one end of the rack; and A pressure rod, one end of which is hinged to the pressure swing rod; and the other end of which is hinged to the upper surface of the simulated foot.

4. The safety shoe performance testing device according to claim 2, characterized in that: A second groove is formed on a side of the simulated foot facing the detection platform, and the opening direction of the second groove faces the detection platform; the first distance measuring device includes: A spring bracket, the spring bracket being arranged on the inner bottom surface of the groove; the spring bracket being capable of extending and retracting along the depth direction of the groove; A universal rolling ball, the universal rolling ball is arranged at one end of the spring bracket facing the detection platform; and A displacement measuring device, the displacement measuring device is arranged on the spring bracket; the displacement measuring device is used to detect the rotation of the universal ball and output the displacement distance information; Wherein, the spring bracket is used to push part of the universal ball out of the groove along the depth direction of the groove.

5. The safety shoe performance testing device according to claim 2, characterized in that: The lifting rod can rotate along its own axis; the pressure-applying device also includes a second impact piece, which is arranged on one side of the lifting rod along the width direction of the simulated foot.

6. The safety shoe performance testing device according to claim 5, characterized in that: It also includes a second distance measuring device, which is arranged on the crossbeam frame; the second distance measuring device is used to detect the moving distance of the pressure device on the crossbeam frame.

7. The safety shoe performance testing device according to claim 6, characterized in that: Also includes: A first pressure sensor, wherein the first pressure sensor is disposed at an end away from the striking device along the length direction of the simulated foot; as well as A second pressure sensor is provided on a side of the simulated foot away from the second striking member along the width direction of the simulated foot.

8. The safety shoe performance testing device according to claim 1, characterized in that: The knocking device comprises: A rotating member, the rotating member is movably disposed on the detection platform along the length direction of the detection platform; the rotating member has a rotating shaft; and A striking hammer, one end of which is disposed on the rotating member; The rotating member is used to move to change the position of the striking hammer, and drive the striking hammer to rotate around the rotating axis so that the striking hammer strikes the pressure device.

9. The safety shoe performance testing device according to claim 8, characterized in that: The rotating member comprises: a housing, the housing being movably disposed on the detection platform along a length direction of the detection platform; and A driving motor is disposed in the housing; the axis of the driving motor is the rotating shaft; and the power output end of the driving motor is connected to one end of the striking hammer.

10. The safety shoe performance testing device according to claim 1, characterized in that: The fixing device comprises a fixing part, and the fixing part is arranged on the detection platform; the fixing part is located on a side of the pressure device away from the knocking device; and a side of the fixing part facing the pressure device is a curved surface; The arc surface is used to fit the toe portion of the safety shoe.

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