Helmet anti-falling testing machine

Abstract

The utility model relates to a helmet anti-drop testing machine in the technical field of helmet anti-drop, which comprises a machine table and two support frames arranged on the surface of the machine table, a lifting platform is movably arranged in a movable groove, and two lifting mechanisms used for adjusting the lifting platform are arranged on the movable groove in the support frames. A swinging device capable of swinging left and right is installed between the two lifting tables, a rotating mechanism is installed on the swinging device and composed of a rotating motor, a first rotating shaft, an installing disc, four supporting rods and four installing rods, supporting blocks capable of being adjusted outwards are arranged at the two ends of each supporting rod, and installing grooves used for installing obstacles are formed in the two ends of the machine table. The mounting grooves for mounting different obstacles are formed in the two ends of the machine table, so that collision testing can be performed on two obstacles at a time, the first rotating shaft is arranged to drive the mounting disc to rotate during swinging, and the mounting rods on the mounting disc can rotatably perform collision testing on the obstacles in the swinging process of the swinging device.

Description

Technical Field

[0001] The utility model relates to the field of helmet anti - detachment, and particularly relates to a helmet anti - detachment testing machine. Background Art

[0002] A helmet is a device for protecting the head, which is divided into military helmets and civilian helmets. Among them, civilian helmets are very common in our daily life. When riding out, a helmet is needed to protect the head from being injured or reduce the injury when being hit.

[0003] Chinese Patent with Publication No. CN220650079U discloses a helmet anti - detachment testing machine, which includes a base. On one side of the top of the base, there is a fixed seat. A spring is arranged on the fixed seat, and an installation seat is arranged at the top of the spring. A head mold is installed on the installation seat. On the other side of the base, there is a support seat. A motor is vertically arranged on the support seat, and a rotating seat is arranged at the top of the motor. A toggle column is telescopically arranged on the rotating seat corresponding to the installation seat, and a knocking column is telescopically arranged on the top of the rotating seat in cooperation with the head mold. A protective cover is arranged outside the base, a protective door is arranged on the protective cover, and observation windows are cooperatively arranged on the protective cover and the protective door. The utility model is convenient for the anti - detachment test of helmets and has good protection performance. However, the testing machine still has the following problems: when the testing machine conducts a collision test, it can only collide with a single helmet in a single direction to test the anti - detachment through collision. However, it cannot test multiple angles. Therefore, the data obtained by the testing machine through the collision test is limited and the applicable range is limited. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the above - mentioned defects and provide a helmet anti - detachment testing machine.

[0005] The purpose of the utility model is achieved in the following way: a helmet anti - detachment testing machine includes a machine platform and two support frames both installed on the surface of the machine platform. An activity groove is arranged inside the support frame, and a lifting platform is movably installed inside the activity groove. Two lifting mechanisms for adjusting the lifting platform are installed inside the support frame above the activity groove. A swaying device that can sway left and right is installed between the two lifting platforms, and a rotating mechanism is installed on the swaying device. The rotating mechanism is composed of a rotating motor, a first rotating shaft, an installation disc, four support rods and four installation rods. The two ends of the first rotating shaft are respectively connected to the rotating motor and the installation disc. The four installation rods are all circumferentially installed on the side surface of the installation disc. The support rods are sleeved on the installation rods, and support blocks that can be adjusted outwards are arranged at both ends of the support rods. Installation grooves for installing obstacles are arranged at both ends of the machine platform.

[0006] Further, the lifting mechanism is composed of a lifting motor and a lifting screw rod. The lifting motor drives the lifting screw rod to rotate, thereby driving the lifting platform to slide up and down.

[0007] Further, the swinging device is composed of two swinging motors, two second rotating shafts and a swinging frame. The swinging motors are installed on the lifting platform. One end of the second rotating shaft is movably connected to the swinging motor, and the other end of the second rotating shaft penetrates into the swinging frame for fixed connection. By rotating the second rotating shaft of the swinging motor, the swinging frame is driven to swing.

[0008] Further, rebound springs are installed on the mounting rods. Increasing the rebound springs can reduce the impact force between the mounting rods and the obstacles during the collision.

[0009] Further, a plurality of adjustment holes are provided on the outer surfaces at both ends of the support rod, and a convex portion matching the adjustment holes is provided on the support block. The support block can be adjusted to extend outwards through the convex portion.

[0010] Further, a plurality of mounting holes for mounting obstacles are provided on the mounting groove. By providing a plurality of mounting holes, different obstacles can be installed according to needs for testing.

[0011] The beneficial effects produced by the present utility model are as follows: By providing mounting grooves at both ends of the machine table that can mount different obstacles, collision tests on two or more obstacles can be achieved at one time. And by providing a swinging device that can swing left and right, when swinging, the first rotating shaft is provided to drive the mounting disc to rotate, so that the mounting rods on the mounting disc can rotate to conduct collision tests on the obstacles during the swinging process of the swinging device. Therefore, collisions can be carried out at multiple angles, thereby testing the anti-detachment effect. Description of the Drawings

[0012] Figure 1 is a three-dimensional structural schematic diagram of a helmet anti-detachment testing machine of the present utility model;

[0013] Figure 2 of the present utility model Figure 1 is a partial enlarged schematic diagram of A in

[0014] Figure 3 is a three-dimensional structural schematic diagram of a helmet anti-detachment testing machine of the present utility model;

[0015] Figure 4 of the present utility model Figure 3 is a partial enlarged schematic diagram of B in

[0016] Figure 5 is a three-dimensional structural schematic diagram of a helmet anti-detachment testing machine of the present utility model;

[0017] In the figure, 1 is a machine platform; 2 is a support frame; 3 is a movable groove; 4 is a lifting platform; 5 is a rotating motor; 6 is a first rotating shaft; 7 is a mounting disc; 8 is a support rod; 9 is a mounting rod; 10 is a support block; 11 is a mounting groove; 12 is a lifting motor; 13 is a lifting screw rod; 14 is a swinging motor; 15 is a second rotating shaft; 16 is a swinging frame; 17 is a return spring; 18 is an adjustment hole; 19 is a convex portion; 20 is a mounting hole; 21 is an obstacle; 22 is a helmet. Detailed implementation mode

[0018] For the convenience of those skilled in the art to understand, the following combines embodiments with the accompanying drawings to further illustrate the present invention. The content mentioned in the implementation mode does not limit the present invention. The following describes the present invention in detail with reference to the accompanying drawings.

[0019] Please refer to Figures 1-5 , a helmet anti-detachment testing machine in its specific implementation includes a machine platform 1 and two support frames 2 both installed on the surface of the machine platform 1. A movable groove 3 is provided inside the support frame 2, and a lifting platform 4 is movably installed inside the movable groove 3. Two lifting mechanisms for adjusting the lifting platform 4 are installed inside the support frame 2 above the movable groove 3.

[0020] A swing device that can swing left and right is installed between the two lifting platforms 4. A rotating mechanism is installed on the swing device. The rotating mechanism is composed of a rotating motor 5, a first rotating shaft 6, a mounting disc 7, four support rods 8, and four mounting rods 9. Both ends of the first rotating shaft 6 are respectively connected to the rotating motor 5 and the mounting disc 7. The four mounting rods 9 are all installed around the side surface of the mounting disc 7. The support rod 8 is sleeved on the mounting rod 9. Both ends of the support rod 8 are provided with support blocks 10 that can be adjusted outwards. Mounting grooves 11 for installing obstacles 21 are provided at both ends of the machine platform 1, and a number of mounting holes 20 for installing obstacles 21 are provided on the mounting grooves 11. Different obstacles 21 can be installed according to needs through the setting of a number of mounting holes 20 for testing.

[0021] The lifting mechanism is composed of a lifting motor 12 and a lifting screw rod 13. The lifting screw rod 13 is driven to rotate by the lifting motor 12, thereby driving the lifting platform 4 to slide up and down. The swing device is composed of two swing motors 14, two second rotating shafts 15, and a swing frame 16. The swing motor 14 is installed on the lifting platform 4. One end of the second rotating shaft 15 is movably connected to the swing motor 14, and the other end of the second rotating shaft 15 penetrates into the swing frame 16 for fixed connection. The swing frame 16 is driven to swing by the rotation of the second rotating shaft 15 of the swing motor 14.

[0022] A resilient spring 17 is installed on each of the mounting rods 9. Enhancing the resilient spring 17 can reduce the impact force between the mounting rod 9 and the obstacle 21 during a collision. A number of adjustment holes 18 are provided on the outer surfaces at both ends of the support rod 8, and a protrusion 19 that mates with the adjustment hole 18 is provided on the support block 10. The support block 10 can be adjusted to extend outwards through the protrusion 19.

[0023] The working principle of the embodiment of the present utility model is as follows: During operation, the helmet 22 is installed on the support rod 8. The support rod 8 supports the helmet 22 by adjusting the support block 10. The lifting motor 12 drives the lifting screw rod 13 to rotate, thereby driving the lifting table 4 to be adjusted downwards. The swing motor 14 on the lifting table 4 drives the second rotating shaft 15 to rotate, thereby driving the swing frame 16 to swing left and right. The mounting rod 9 collides with the obstacle 21 through swinging, i.e., swing-type collision. The rotating motor 5 drives the first rotating shaft 6 to rotate, thereby driving the mounting disk 7 to rotate. The mounting disk 7 drives the four mounting rods 9 to rotate, performing a rotary collision on the obstacle 21. By providing mounting grooves 11 for installing the obstacle 21 at both ends of the machine table 1, and a number of mounting holes 20 are provided on the mounting grooves 11, different obstacles 21 can be installed as needed for anti-detachment tests.

[0024] The above content is a further detailed description of the present utility model in combination with specific further embodiments. It cannot be determined that the specific implementation of the present utility model is limited only to these descriptions. For those of ordinary skill in the technical field to which the present utility model belongs, without departing from the concept of the present utility model, several simple deductions or substitutions can still be made, which should all be regarded as the protection scope of the present utility model.

Claims

1. A helmet anti-detachment testing machine, comprising a machine platform and two support frames both installed on the surface of the machine platform. An activity slot is provided in the support frame, and a lifting platform is movably installed in the activity slot. Two lifting mechanisms for adjusting the lifting platform are installed in the support frame at the position of the activity slot. It is characterized in that, A swaying device that can sway left and right is installed between the two lifting platforms. A rotating mechanism is installed on the swaying device. The rotating mechanism is composed of a rotating motor, a first rotating shaft, a mounting disc, four support rods, and four mounting rods. The two ends of the first rotating shaft are respectively connected to the rotating motor and the mounting disc. The four mounting rods are all installed around the side surface of the mounting disc. The support rods are sleeved on the mounting rods. Both ends of the support rods are provided with support blocks that can be adjusted outwards. Installation grooves for installing obstacles are provided at both ends of the machine table.

2. The helmet anti-detachment testing machine according to claim 1, wherein: The lifting mechanism is composed of a lifting motor and a lifting screw rod.

3. The helmet anti-detachment testing machine according to claim 1, characterized in that: The swaying device is composed of two swaying motors, two second rotating shafts, and a swaying frame. The swaying motors are installed on the lifting platforms. One end of the second rotating shaft is movably connected to the swaying motor, and the other end of the second rotating shaft penetrates into the swaying frame for fixed connection.

4. The helmet anti-detachment testing machine according to any one of claims 1-3, characterized in that: Rebound springs are installed on the mounting rods.

5. The helmet anti-detachment testing machine according to any one of claims 1 to 3, characterized in that: A number of adjustment holes are provided on the outer surfaces of both ends of the support rods, and the support blocks are provided with protruding portions that cooperate with the adjustment holes.

6. The helmet anti-detachment testing machine according to any one of claims 1-3, characterized in that: A number of mounting holes for installing obstacles are provided on the installation grooves.

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