A bow and arrow fatigue testing machine

Abstract

This utility model belongs to the field of bow and arrow testing technology, and relates to a bow and arrow fatigue testing machine, including a support platform, a linear slide module, a bow handle clamping device, a string-hooking assembly, an outer shell, and a controller. The outer shell has an operating door on the front, a shooting hole on the right side, and a bow handle clearance hole on the top. The support platform is set on the outer shell, the linear slide module is set on the top of the support platform, and the string-hooking assembly is set on the slider of the linear slide module. The string-hooking assembly includes a tension sensor and a gripper assembly. The bow handle clamping device is used to clamp the bow handle of the arrow, and the bow handle clamping device includes a connecting arm, a fixed clamping block, a movable clamping block, and a telescopic mechanism. The fixed clamping block and the movable clamping block have clamping grooves on opposite sides that match the clamping parts of the bow handle. This utility model has the advantages of wide applicability, high testing accuracy, low noise during the testing process, and high safety.

Description

Technical Field

[0001] This utility model belongs to the field of archery testing technology, specifically, it relates to an archery fatigue testing machine. Background Technology

[0002] The main repetitive actions in archery are drawing the bow and releasing it. Since bows and arrows have a non-infinite lifespan, the repeated execution of these two actions during competitions and training causes material fatigue. When the material reaches its fatigue limit, the bow will break. Because the bow stores a large amount of energy when fired, sudden breakage or other damage at this point poses a significant safety hazard to the archer. Therefore, testing the lifespan of archery equipment is essential.

[0003] Chinese patent document CN206113761 U discloses a bow and arrow lifespan testing device, which includes a support assembly, a tension assembly, a gripping assembly, a string-hooking assembly, and an electrical control box. The tension assembly includes a main support plate, a lead screw, a slide table, a vertical baffle, and a stepper motor. The gripping assembly is fixed to the left end of the tension assembly and is used to hold the bow handle. The string-hooking assembly includes a string-hooking body, a tension sensor, and a fixing plate. The electrical control box includes a controller and a touch screen. The touch screen is signal-connected to the controller, and the controller is also signal-connected to the stepper motor and the tension sensor. This bow and arrow lifespan testing device can test the lifespan of bows and arrows, thereby reminding users to stop using them when their lifespan is nearing its limit. It can also be used by bow and arrow manufacturers to calibrate the lifespan of their products during production, guiding them to improve production quality or serving as a warning to users.

[0004] However, the aforementioned device lacks safety protection during testing, resulting in low safety. In addition, the device operates with high noise levels and cannot be used for high-precision fatigue testing of bows and arrows of different specifications. Therefore, it urgently needs improvement. Utility Model Content

[0005] The purpose of this invention is to provide a bow and arrow fatigue testing machine to solve the technical problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: A bow and arrow fatigue testing machine includes a support platform, a linear slide module, a bow handle clamping device, a string-hooking assembly, an outer casing, and a controller. The outer casing has an operating door on its front side, a firing port on its right side, and a bow handle clearance hole on its top. The support platform is disposed inside the outer casing and fixed to its base plate. The linear slide module is disposed on the top of the support platform, and the string-hooking assembly is mounted on the slider of the linear slide module for hooking or releasing the bowstring. The linear slide module is electrically connected to the controller, and the slider of the linear slide module faces the operating door. The string-hooking assembly includes a tension sensor and a gripper assembly, with one end of the tension sensor fixed... The bow handle clamping device is connected to the slider at one end and fixedly connected to the gripper assembly at the other end. It is used to clamp the bow handle of the bow and arrow. The bow handle clamping device includes a connecting arm, a fixed clamping block, a movable clamping block, and a telescopic mechanism. The connecting arm is fixed to the lower right end of the guide rail of the linear slide module. The fixed clamping block and the movable clamping block are respectively provided with clamping grooves that match the clamping part of the bow handle on opposite sides. The telescopic mechanism is fixed to the connecting arm, and the telescopic end of the telescopic mechanism is detachably connected to the movable clamping block. The fixed clamping block and the movable clamping block are correspondingly provided and detachably connected to the front side of the guide rail. The tension sensor, the gripper assembly, and the telescopic mechanism are electrically connected to the controller.

[0007] Preferably, the linear slide module is a screw slide module driven by a servo motor to improve testing accuracy.

[0008] Preferably, the gripper assembly is a pneumatic gripper or an electric gripper. When a pneumatic gripper is used, it is connected to an external compressed air source through an air source pipeline, and a solenoid valve electrically connected to the controller is installed on the air source pipeline to achieve flexible control of the pneumatic gripper.

[0009] Preferably, the tension sensor is a DYLY-103S type weighing sensor.

[0010] Preferably, the telescopic mechanism is a pneumatic cylinder or an electric cylinder. When a pneumatic cylinder is used, it is connected to an external compressed air source through an air source pipeline two, and a solenoid valve two electrically connected to the controller is installed on the air source pipeline two to achieve flexible control of the telescopic mechanism.

[0011] Preferably, the present invention also includes an audible and visual alarm, which is electrically connected to the controller. When the real-time pull of the arrow under test fails to reach the set threshold during the test, the audible and visual alarm will sound an alarm, thereby helping to quickly screen out unqualified arrows and thus improving the testing efficiency.

[0012] Preferably, the operating door is a double door, and the two opposite sides of the double doors are respectively hinged to the outer shell. Closing the operating door during testing can reduce noise during the testing process and also help to achieve safety protection during the testing process, thereby improving the safety and reliability of the device.

[0013] Preferably, the movable clamping block is connected to the telescopic end of the telescopic mechanism by bolt one, and the fixed clamping block is connected to the guide rail by bolt two. In use, the corresponding fixed clamping block and movable clamping block can be selected and replaced according to the bow handle structure of different specifications of bows and arrows, thereby helping to expand the applicability of the device.

[0014] Preferably, the controller is a PLC programmable controller. The PLC programmable controller is used to control basic instructions and firing instructions, and is also used to input parameters such as the number of missions and test speed, and to display the number of tests completed and the real-time tension. The basic instruction is a fatigue tensile test of an arrow in an unstrung state.

[0015] The process of using this invention is as follows: First, open the operating door and place the bow and arrow to be tested inside the outer casing. Then, insert the clamping part of the bow handle into the clamping groove on the fixed clamping block. Next, operate the telescopic mechanism via the controller to clamp the bow handle. The controller then controls the linear slide module to move the string-hooking assembly to the bowstring position. The string-hooking assembly is then operated to hook the bowstring onto the gripper assembly. Finally, the corresponding test command is initiated to perform a fatigue test on the bow and arrow in an unstrung state. When a shooting test is required, the arrow is loaded manually, and then the shooting test is conducted following the same firing command as the fatigue test in an unstrung state.

[0016] Compared with the prior art, the utility model has the following beneficial effects: This invention has the advantages of wide applicability, high testing accuracy, low noise and high safety during the testing process, making it more suitable for widespread application. Attached Figure Description

[0017] The utility model will be further described below with reference to the accompanying drawings and embodiments: Figure 1 This is a three-dimensional structural schematic diagram of the present invention in Embodiment 1; Figure 2 yes Figure 1 Enlarged schematic diagram of part A in the diagram; Figure 3 yes Figure 1 Enlarged schematic diagram of section B in the diagram. Detailed Implementation

[0018] The utility model will now be clearly described with reference to the accompanying drawings and specific embodiments. This description is merely for explaining the utility model and is not intended to limit it. Any modifications, equivalent substitutions, or improvements made by those skilled in the art based on the embodiments of the utility model without inventive effort to obtain all other embodiments should be included within the protection scope of the utility model.

[0019] Example 1 like Figures 1-3 As shown, this embodiment provides a bow and arrow fatigue testing machine, including a support platform 1, a linear slide module 2, a bow handle clamping device, a string-hooking assembly, an outer shell 3, and a controller 4. The outer shell has an operating door 5 on its front side, a firing port 6 on its right side, and a bow handle clearance hole 7 on its top. The support platform is disposed inside the outer shell and fixed to the bottom plate of the outer shell. The linear slide module is disposed on the top of the support platform, and the string-hooking assembly is disposed on the slider of the linear slide module for hooking or releasing the bowstring. The linear slide module is electrically connected to the controller, and the slider of the linear slide module is positioned facing the operating door. The string-hooking assembly includes a tension sensor 8 and a gripper assembly 9. One end of the tension sensor... The bow handle clamping device is fixedly connected to the slider at one end and to the gripper assembly at the other end. It is used to clamp the bow handle of the bow and includes a connecting arm 10, a fixed clamping block 11, a movable clamping block 12, and a telescopic mechanism 13. The connecting arm is fixed to the lower right end of the guide rail of the linear slide module. The fixed clamping block and the movable clamping block are respectively provided with clamping grooves (not shown in the figure) that match the clamping part of the bow handle on opposite sides. The telescopic mechanism is fixed to the connecting arm, and the telescopic end of the telescopic mechanism is detachably connected to the movable clamping block. The fixed clamping block and the movable clamping block are respectively provided and detachably connected to the front side of the guide rail. The tension sensor, the gripper assembly, and the telescopic mechanism are electrically connected to the controller.

[0020] In this embodiment, the linear slide module is a screw slide module driven by a servo motor 14 to improve testing accuracy. The gripper assembly is a pneumatic gripper, connected to an external compressed air source via an air source pipeline (not shown in the figure), and a solenoid valve (not shown in the figure) electrically connected to the controller is installed on the air source pipeline to achieve flexible control of the pneumatic gripper. The tension sensor is a DYLY-103S type load cell.

[0021] Specifically, the telescopic mechanism uses a cylinder and is connected to an external compressed air source through an air source pipeline two (not shown in the figure). A solenoid valve two (not shown in the figure) that is electrically connected to the controller is installed on the air source pipeline two to achieve flexible control of the telescopic mechanism.

[0022] Following the above embodiments, this utility model also includes an audible and visual alarm 15, which is electrically connected to the controller. When the real-time pull of the tested arrow does not reach the set threshold during the test, the audible and visual alarm will sound an alarm, thereby helping to quickly screen out unqualified arrows and thus improving the testing efficiency.

[0023] Specifically, the operating door is a double door, and the two opposite sides of the double doors are respectively hinged to the outer shell. Closing the operating door during testing can reduce noise during the testing process and also help to achieve safety protection during the testing process, thereby improving the safety and reliability of the device.

[0024] More specifically, the movable clamping block is connected to the telescopic end of the telescopic mechanism by bolt one, and the fixed clamping block is connected to the guide rail by bolt two. In use, the corresponding fixed clamping block and movable clamping block can be selected and replaced according to the bow handle structure of different specifications of bows and arrows, thereby helping to expand the applicability of the device.

[0025] In this embodiment, the controller is a PLC programmable controller. The PLC programmable controller is used to control basic instructions and shooting instructions, and is also used to input parameters such as the number of missions and test speed, and to display the number of tests completed and the real-time tension. The basic instruction is a fatigue tensile test of an arrow in an unstrung state.

[0026] Example 2 The only difference between this embodiment and Embodiment 1 is that the gripper assembly is an electric gripper and the telescopic mechanism is an electric cylinder. This embodiment is relatively simpler in terms of device structure and easier to operate.

[0027] The process of using this invention is as follows: First, open the operating door and place the bow and arrow to be tested inside the outer casing. Then, insert the clamping part of the bow handle into the clamping groove on the fixed clamping block. Next, operate the telescopic mechanism via the controller to clamp the bow handle. The controller then controls the linear slide module to move the string-hooking assembly to the bowstring position. The string-hooking assembly is then operated to hook the bowstring onto the gripper assembly. Finally, the corresponding test command is initiated to perform a fatigue test on the bow and arrow in an unstrung state. When a shooting test is required, the arrow is loaded manually, and then the shooting test is conducted following the same firing command as the fatigue test in an unstrung state.

[0028] The above description is merely a preferred embodiment of the present invention and is not limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A bow and arrow fatigue testing machine, comprising a support platform, a linear slide module, a bow handle clamping device, a string-drawing assembly, and a controller, characterized in that: It also includes an outer casing, with an operating door on the front, a firing port on the right side, and a bow handle clearance hole on the top. A support platform is located inside the outer casing and fixed to its base plate. A linear slide module is positioned on top of the support platform, and a bowstring hook assembly is mounted on the slider of the linear slide module for hooking or releasing the bowstring. The linear slide module is electrically connected to the controller, and its slider faces the operating door. The bowstring hook assembly includes a tension sensor and a gripper assembly; one end of the tension sensor is fixedly connected to the slider, and the other end is fixedly connected to the gripper assembly. Next, the bow handle clamping device is used to clamp the bow handle of the bow and arrow, and the bow handle clamping device includes a connecting arm, a fixed clamping block, a movable clamping block and a telescopic mechanism. The connecting arm is fixed to the lower right end of the guide rail of the linear slide module. The fixed clamping block and the movable clamping block are respectively provided with clamping grooves that match the clamping part of the bow handle on opposite sides. The telescopic mechanism is fixed on the connecting arm, and the telescopic end of the telescopic mechanism is detachably connected to the movable clamping block. The fixed clamping block and the movable clamping block are respectively provided and detachably connected to the front side of the guide rail. The tension sensor, the gripper assembly and the telescopic mechanism are respectively electrically connected to the controller.

2. The bow and arrow fatigue testing machine according to claim 1, characterized in that: The linear slide module is a screw slide module driven by a servo motor.

3. The bow and arrow fatigue testing machine according to claim 1, characterized in that: The gripper assembly uses either a pneumatic gripper or an electric gripper.

4. The bow and arrow fatigue testing machine according to claim 1, characterized in that: The tensile sensor is a DYLY-103S type weighing sensor.

5. The bow and arrow fatigue testing machine according to claim 1, characterized in that: The telescopic mechanism uses a pneumatic cylinder or an electric cylinder.

6. The bow and arrow fatigue testing machine according to claim 1, characterized in that: It also includes an audible and visual alarm, which is electrically connected to the controller. When the real-time pull of the arrow being tested fails to reach the set threshold during the test, the audible and visual alarm will sound an alarm.

7. The bow and arrow fatigue testing machine according to claim 1, characterized in that: The operating door is a double door, and the two opposite sides of the double doors are respectively hinged to the outer casing.

8. The bow and arrow fatigue testing machine according to claim 1, characterized in that: The movable clamping block is connected to the telescopic end of the telescopic mechanism by bolt one, and the fixed clamping block is connected to the guide rail by bolt two.

9. A bow and arrow fatigue testing machine according to any one of claims 1 to 8, characterized in that: The controller is a PLC programmable controller.

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