Safety helmet impact puncture tester

Abstract

The utility model discloses a safety helmet impact puncture tester which comprises a base, two supporting columns are fixedly welded on the top wall of the base, a top seat is fixedly welded at the top ends of the two supporting columns, a hydraulic rod is arranged on the top seat, a testing head is installed at the bottom end of the hydraulic rod, a groove is formed in the top wall of the base, and the testing head is arranged in the groove. And a rotating column is rotationally installed in the groove, a supporting rod is fixedly welded to the rotating column, and a fixing base is fixedly installed at the top end of the supporting rod. According to the placing seat, different angles are adjusted by turning over the rotating column and the supporting rod on the base, so that the safety helmet can be used for testing side impact tests at different angles, and the supporting rod is locked and fixed after the angle of the supporting rod is adjusted through the matching of the adjusting rod, the fixing rod, the locking rod and the locking cap. And the stability of the safety helmet during testing is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of safety helmet testing, in particular to a safety helmet impact puncture tester. Background Art

[0002] In order to protect the safety of workers during the construction process, workers usually need to wear corresponding protective equipment. Safety helmets are one of the safety protection equipment. Safety helmets refer to hats that protect the human head from injuries caused by falling objects and other specific factors. It is usually necessary to test the safety performance of safety helmets.

[0003] After searching, it is found that in the prior art, the authorized patent with announcement number CN221377522U discloses an impact resistance and puncture tester for helmet testing, which relates to the technical field of helmet testing, including a work box, the work box is provided with an adjustment mechanism, the adjustment mechanism includes a servo motor, a screw rod, a slider, an arc seat, a movable ball, a bearing, a swing rod, a support spring, and a fixed block, the output shaft of the servo motor is fixedly connected to the screw rod through a coupling, the other end of the screw rod away from the servo motor is movably connected to the bearing, the outside of the screw rod is movably connected to the slider, and the top of the slider is fixedly connected to the arc seat. The utility model drives the servo motor to drive the screw rod to rotate, so that the slider drives the arc seat to move left and right, so that the movable ball movably connected inside the arc seat rotates to drive the swing rod to swing a certain angle, so that the clamping assembly tilts the helmet to a certain angle, so as to realize the impact resistance and puncture test of the side of the helmet, and there is no need to manually adjust the angle of the helmet, which is convenient to use.

[0004] However, the above technical solution still has the following deficiencies when used in practice: 1. The above device only supports the swing arm by a supporting spring, so that when the safety helmet is impacted during the test, the swing arm will still swing, causing the safety helmet to be unable to withstand the full test impact force, thereby resulting in inaccurate test data; 2. When the above device needs to test different positions of the safety helmet, the safety helmet needs to be disassembled and assembled back and forth for position adjustment, which is time-consuming and labor-intensive and inconvenient to use. Utility Model Content

[0005] The utility model aims to provide a helmet impact puncture tester to solve the problems raised in the above background technology.

[0006] To achieve the above purpose, the utility model provides the following technical solution: a helmet impact puncture tester, comprising:

[0007] The base has two supporting columns fixedly welded on the top wall of the base, and a top seat is fixedly welded on the top ends of the two supporting columns, a hydraulic rod is arranged on the top seat, and a test head is installed on the bottom end of the hydraulic rod, a groove is opened on the top wall of the base, a rotating column is rotatably installed in the groove, a support rod is fixedly welded on the rotating column, a fixed seat is fixedly installed on the top end of the support rod, a placing seat is arranged on the fixed seat, a clamping mechanism is arranged on the placing seat, an adjusting rod is fixedly and rotatably installed on one side wall of the support rod, a slot is opened on the end of the adjusting rod away from the support rod, and a locking assembly for locking and fixing the adjusting rod is arranged on the top wall of the base located on one side of the support rod.

[0008] Preferably, the locking assembly includes two fixing rods, which are respectively arranged on both sides of the groove, and the two fixing rods are fixedly welded to the top wall of the base. The fixing rods are provided with a plurality of equidistantly distributed through grooves, and a locking rod is movably inserted in the through grooves, and a locking cap is threadedly connected to the front end of the locking rod.

[0009] Preferably, the placement seat is rotatably mounted on the fixed seat via a rotating shaft fixedly welded on the bottom wall, a plurality of annular limiting grooves equidistantly distributed are provided on the side wall of the fixed seat, a base is fixedly welded on the bottom wall of the placement seat, a threaded column is threadedly connected to the base, and the threaded column is inserted into a limiting groove.

[0010] Preferably, a slide groove is provided on the bottom wall of the top seat, a screw rod is rotatably installed in the slide groove, a movable seat is threadedly connected to the screw rod, the movable seat is slidably connected in the slide groove, and the hydraulic rod is fixedly installed on the movable seat.

[0011] Preferably, a servo motor is fixedly mounted on one end of the top seat, an output end of the servo motor is transmission-connected to a screw rod, and the servo motor is electrically connected to a controller of an external device via electric wires.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The placement seat of the utility model can adjust different angles by turning over the rotating column and the support rod on the base, so that the safety helmet can be tested for side impact tests at different angles. The support rod is locked and fixed after the angle is adjusted by the cooperation of the adjustment rod, the fixing rod, the locking rod and the locking cap, thereby ensuring the stability of the safety helmet during the test;

[0014] 2. The placement seat of the utility model is rotatably installed on the fixed seat, so that the placement seat can be rotated on the fixed seat to rotate and adjust the safety helmet, and the placement seat is limited and fixed by screwing the set threaded column on the base into the limit groove, so that during testing, the safety helmet can be rotated to adjust different test positions without disassembling and assembling the safety helmet back and forth, which greatly improves the convenience during testing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a three-dimensional structural diagram of a safety helmet impact puncture tester proposed by the utility model;

[0016] Figure 2 The utility model provides a safety helmet impact puncture tester. Figure 1 The structure diagram at A is enlarged;

[0017] Figure 3 The utility model discloses a front cross-sectional structural diagram of a top seat in a safety helmet impact penetration tester.

[0018] In the figure: 1. base; 2. support column; 3. top seat; 4. hydraulic rod; 5. test head; 6. groove; 7. rotating column; 8. support rod; 9. fixed seat; 10. placement seat; 11. clamping mechanism; 12. adjustment rod; 13. slot; 14. fixing rod; 15. through slot; 16. locking rod; 17. locking cap; 18. limit slot; 19. base; 20. threaded column; 21. slide slot; 22. screw; 23. servo motor; 24. moving seat. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-3 The utility model provides a technical solution: a safety helmet impact puncture tester, comprising:

[0021] A base 1, wherein two support columns 2 are fixedly welded on the top wall of the base 1, and a top seat 3 is fixedly welded on the top ends of the two support columns 2, a hydraulic rod 4 is arranged on the top seat 3, and a test head 5 is installed on the bottom end of the hydraulic rod 4, a groove 6 is opened on the top wall of the base 1, a rotating column 7 is rotatably installed in the groove 6, a support rod 8 is fixedly welded on the rotating column 7, a fixed seat 9 is fixedly installed on the top end of the support rod 8, a placement seat 10 is arranged on the fixed seat 9, and a clamping mechanism 11 is arranged on the placement seat 10, an adjusting rod 12 is fixedly and rotatably installed on one side wall of the support rod 8, a slot 13 is opened on the end of the adjusting rod 12 away from the support rod 8, and a locking assembly for locking and fixing the adjusting rod 12 is arranged on the top wall of the base 1 located on one side of the support rod 8.

[0022] The locking assembly includes two fixing rods 14, which are respectively arranged on both sides of the groove 6, and the two fixing rods 14 are fixedly welded on the top wall of the base 1. The fixing rod 14 is provided with a plurality of equally spaced through grooves 15, and a locking rod 16 is movably inserted in the through grooves 15. The front end of the locking rod 16 is threadedly connected with a locking cap 17. The locking rod 16 is inserted into the through grooves 15 and the slots 13 of the two fixing rods 14, and the locking rod 16 is fixed on the two fixing rods 14 through the locking cap 17, so that the adjusting rod 12 can be locked and fixed.

[0023] The placement seat 10 is rotatably mounted on the fixing seat 9 via a rotating shaft fixedly welded on the bottom wall. A plurality of annular limiting grooves 18 equidistantly distributed are provided on the side wall of the fixing seat 9. A base 19 is fixedly welded on the bottom wall of the placement seat 10. A threaded column 20 is threadedly connected to the base 19. The threaded column 20 is inserted into a limiting groove 18. The placement seat 10 can be rotated on the fixing seat 9 to rotate and adjust the safety helmet, and the placement seat 10 can be limited and fixed by screwing the set threaded column 20 on the base 19 and inserting it into the limiting groove 18. Therefore, during testing, the safety helmet can be rotated to adjust different test positions without disassembling and assembling the safety helmet back and forth, which greatly improves the convenience during testing.

[0024] A slide groove 21 is provided on the bottom wall of the top seat 3 , a screw rod 22 is rotatably installed in the slide groove 21 , a moving seat 24 is threadedly connected to the screw rod 22 , the moving seat 24 is slidably connected in the slide groove 21 , and the hydraulic rod 4 is fixedly installed on the moving seat 24 .

[0025] A servo motor 23 is fixedly mounted at one end of the top seat 3, and the output end of the servo motor 23 is transmission-connected to the screw rod 22. The servo motor 23 is electrically connected to the controller of the external device through wires. The servo motor 23 can drive the screw rod 22 to rotate. When the screw rod 22 rotates, it can drive the movable seat 24 to move in the slide groove 21, thereby mobilizing the hydraulic rod 4 to move, so as to facilitate the corresponding position adjustment of the test head 5 according to the position of the safety helmet.

[0026] Working principle: The placement seat 10 of the utility model can adjust different angles by flipping the rotating column 7 and the support rod 8 on the base 1, so that the safety helmet can be tested for side impact tests at different angles. The support rod 8 is locked and fixed after the angle is adjusted by the cooperation of the arranged adjusting rod 12, the fixing rod 14, the locking rod 16 and the locking cap 17, thereby ensuring the stability of the safety helmet during the test. The specific operation process is to pull the adjusting rod 12 so that the slot 13 of the adjusting rod 12 is aligned with the through slot 15 at the required position, and then the locking rod 16 is inserted into the through slot 15 and the slot 13, and the locking cap 17 is tightened. The placement seat 10 is rotatably installed on the fixing seat 9, so that the placement seat 10 can be rotated on the fixing seat 9 to rotate and adjust the safety helmet, and the threaded column 20 is screwed on the base 19 and inserted into the limiting groove 18 to limit and fix the placement seat 10, so that during the test, the safety helmet can be rotated to adjust different test positions, and there is no need to disassemble and assemble the safety helmet back and forth, which greatly improves the convenience during the test.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0028] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A helmet impact puncture tester, characterized in that: include: A base (1), wherein two support columns (2) are fixedly welded on the top wall of the base (1), a top seat (3) is fixedly welded at the top ends of the two support columns (2), a hydraulic rod (4) is arranged on the top seat (3), a test head (5) is installed at the bottom end of the hydraulic rod (4), a groove (6) is provided on the top wall of the base (1), a rotating column (7) is rotatably installed in the groove (6), a support rod (8) is fixedly welded on the rotating column (7), a fixed seat (9) is fixedly installed on the top end of the support rod (8), a placement seat (10) is arranged on the fixed seat (9), a clamping mechanism (11) is arranged on the placement seat (10), an adjustment rod (12) is fixedly and rotatably installed on one side wall of the support rod (8), a slot (13) is provided at one end of the adjustment rod (12) away from the support rod (8), and a locking assembly for locking and fixing the adjustment rod (12) is arranged on the top wall of the base (1) located on one side of the support rod (8).

2. A helmet impact puncture tester according to claim 1, characterized in that: The locking assembly comprises two fixing rods (14), the two fixing rods (14) are respectively arranged on both sides of the groove (6), the two fixing rods (14) are fixedly welded to the top wall of the base (1), the fixing rods (14) are provided with a plurality of equally spaced through grooves (15), the through grooves (15) are movably inserted with locking rods (16), and the front ends of the locking rods (16) are threadedly connected with locking caps (17).

3. A helmet impact puncture tester according to claim 1, characterized in that: The placement seat (10) is rotatably mounted on the fixed seat (9) via a rotating shaft fixedly welded on the bottom wall; a plurality of annular limiting grooves (18) equidistantly distributed are provided on the side wall of the fixed seat (9); a base (19) is fixedly welded on the bottom wall of the placement seat (10); a threaded column (20) is threadedly connected to the base (19); and the threaded column (20) is inserted into a limiting groove (18).

4. The impact puncture tester for a safety helmet according to claim 1, characterized in that: A slide groove (21) is provided on the bottom wall of the top seat (3), a screw rod (22) is rotatably installed in the slide groove (21), a movable seat (24) is threadedly connected to the screw rod (22), the movable seat (24) is slidably connected in the slide groove (21), and the hydraulic rod (4) is fixedly installed on the movable seat (24).

5. A helmet impact puncture tester according to claim 4, characterized in that: A servo motor (23) is fixedly mounted on one end of the top seat (3); an output end of the servo motor (23) is drivingly connected to the screw rod (22); and the servo motor (23) is electrically connected to a controller of an external device via an electric wire.

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