Safety helmet strength detection device

Abstract

The utility model relates to the technical field of safety helmet detection, and discloses a safety helmet strength detection device which comprises a detection table shell, a control panel arranged on the detection table shell, a supporting assembly and a lifting assembly arranged on the detection table shell, a pressure detection assembly arranged on the supporting assembly, and a lower jaw belt sample clamp arranged on the lifting assembly. An adjusting assembly and two supporting rods are arranged on the lower jaw belt sample clamp, the two supporting rods are connected with the adjusting assembly, a rotating assembly is arranged on the adjusting assembly, the two supporting rods can be far away from or close to each other through the adjusting assembly, and the lifting assembly can drive the lower jaw belt sample clamp, the adjusting assembly, the rotating assembly and the two supporting rods to horizontally move up and down. The two sliding blocks drive the two supporting rods to get close to each other, when a worker reversely rotates the rotating disc, the two supporting rods are far away from each other, the distance between the two supporting rods can be adjusted according to the requirements of safety helmets of different sizes, accordingly, the mandible belt sample clamps of different sizes are obtained through adjustment, and the adaptability of equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of safety helmet detection, and more specifically to a safety helmet strength detection device. Background Art

[0002] As an important personal protective equipment, the design and testing process of the hard hat has a series of strict standards to ensure that it provides maximum protection while maintaining a certain degree of comfort and functionality. The strength test of the hard hat mainly includes impact test, puncture resistance test, lateral rigidity test and hard hat chin strap strength test. The strength test of the hard hat chin strap is an important part of these tests. It is responsible for keeping the hard hat firmly on the head in the event of an impact, and preventing the protective effect from being reduced due to the hard hat falling off.

[0003] In the strength test of the chin strap of the full helmet, the helmet is usually placed on the head mold, and the chin strap is placed on the two metal rods on the chin strap sample clamp. The two metal rods are used to fix and stabilize the chin strap to ensure its correct position and force during the test. However, the two metal rods on the existing chin strap sample clamp are fixed on the chin strap sample clamp, and chin strap sample clamps of different sizes cannot be adjusted according to the requirements of helmets of different sizes, which limits its use. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a safety helmet strength detection device to solve the problem in the above-mentioned background technology that different sizes of chin strap sample clips cannot be adjusted according to the requirements of safety helmets of different sizes.

[0005] The utility model provides the following technical solutions: a safety helmet strength testing device comprises a testing platform shell, a control panel is arranged on the testing platform shell, a supporting assembly and a lifting assembly are arranged on the testing platform shell, a pressure testing assembly is arranged on the supporting assembly, a mandibular strap sample clamp is arranged on the lifting assembly, an adjusting assembly and two support rods are arranged on the mandibular strap sample clamp, the two support rods are connected by the adjusting assembly, a rotating assembly is arranged on the adjusting assembly, the two support rods can be moved away from or close to each other through the adjusting assembly, and the lifting assembly can drive the mandibular strap sample clamp, the adjusting assembly, the rotating assembly and the two support rods to move horizontally up and down.

[0006] Furthermore, the support assembly includes a support plate and a connecting plate, wherein the support plate is fixedly mounted on the detection platform housing, and the connecting plate is fixedly mounted on the support plate.

[0007] Furthermore, the pressure detection assembly includes a head mold and a pressure sensor, wherein the pressure sensor is arranged on the head mold, and the head mold is connected to the connecting plate via bolts.

[0008] Furthermore, the lifting assembly includes an electric push rod and a fixed rod. The testing platform shell is hollow. The electric push rod is fixedly installed in the testing platform shell. The electric push rod is electrically connected to the control panel. One end of the fixed rod is fixedly connected to the output end of the electric push rod. The other end of the fixed rod passes through the top of the testing platform shell and slides with the testing platform shell. The mandibular band sample clamp is connected to one end of the fixed rod passing through the testing platform shell by bolts.

[0009] Furthermore, the adjustment component includes a slot, a bidirectional screw rod and two sliders, the slot is opened on the mandibular strap sample clamp, the two ends of the bidirectional screw rod are rotatably connected to the inner wall of the slot, the threads on the two ends of the bidirectional screw rod are in opposite directions, the two sliders are sleeved on the bidirectional screw rod and slidably cooperate with the slot, the two sliders are symmetrically arranged, and the two support rods are fixedly connected to the corresponding sliders respectively.

[0010] Furthermore, the rotating assembly includes a rotating rod and a rotating disk, one end of the rotating rod passes through the mandibular band sample clamp and is fixedly connected to one end of the bidirectional screw rod, the rotating rod is rotatably connected to the mandibular band sample clamp, and the rotating disk is fixedly connected to the other end of the rotating rod.

[0011] Furthermore, the shell of the testing table is sprayed with anti-corrosion paint.

[0012] Technical effects and advantages of the utility model:

[0013] 1. In the utility model, when the staff rotates the turntable, the turntable drives the rotating rod to rotate, and the rotating rod drives the bidirectional screw to rotate. Because of the limitation of the notch, the two sliders do not rotate with the bidirectional screw, but slide along the notch, so that the two sliders respectively drive the two support rods to approach each other. When the staff rotates the turntable in the opposite direction, the two support rods will move away from each other. The distance between the two support rods can be adjusted according to the requirements of different sizes of safety helmets, thereby adjusting different sizes of mandibular strap sample clamps, thereby increasing the adaptability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0016] Figure 3 Practical Figure 2 A schematic diagram of the enlarged structure of part A.

[0017] The accompanying drawings are marked as follows: 1. testing table shell; 2. control panel; 3. support assembly; 301. support plate; 302. connecting plate; 4. lifting assembly; 401. electric push rod; 402. fixing rod; 5. pressure detection assembly; 501. head mold; 502. pressure sensor; 6. mandibular strap sample clamp; 7. adjustment assembly; 701. notch; 702. bidirectional screw rod; 703. slider; 8. support rod; 9. rotating assembly; 901. rotating rod; 902. turntable. DETAILED DESCRIPTION

[0018] The present invention is further described below in conjunction with specific embodiments. However, people familiar with the art should understand that the detailed description given here in conjunction with the drawings is for better explanation, and the structure of the present invention necessarily exceeds these limited embodiments. For some equivalent replacement schemes or common means, they are no longer described in detail herein, but still fall within the scope of protection of the present application.

[0019] Figure 1 to Figure 3 It is the best embodiment of the utility model, and the following Figure 1 ~Attached Figure 3 The utility model is further described.

[0020] The utility model discloses a safety helmet strength detection device, comprising a detection platform shell 1, a control panel 2 is arranged on the detection platform shell 1, a support assembly 3 and a lifting assembly 4 are arranged on the detection platform shell 1, a pressure detection assembly 5 is arranged on the support assembly 3, a mandibular belt sample clamp 6 is arranged on the lifting assembly 4, an adjustment assembly 7 and two support rods 8 are arranged on the mandibular belt sample clamp 6, the two support rods 8 are connected by the adjustment assembly 7, a rotating assembly 9 is arranged on the adjustment assembly 7, the two support rods 8 can be moved away from or close to each other by the adjustment assembly 7, and the lifting assembly 4 can drive the mandibular belt sample clamp 6 , adjusting component 7, rotating component 9 and two supporting rods 8 move up and down horizontally, the supporting component 3 includes a supporting plate 301 and a connecting plate 302, the supporting plate 301 is fixedly mounted on the detection platform shell 1, and the connecting plate 302 is fixedly mounted on the supporting plate 301, the pressure detection component 5 includes a head mold 501 and a pressure sensor 502, the pressure sensor 502 is arranged on the head mold 501, and the head mold 501 is connected to the connecting plate 302 by bolts, the lifting component 4 includes an electric push rod 401 and a fixed rod 402, the detection platform shell 1 is hollow, and the electric push rod 4 01 is fixedly installed in the detection platform housing 1, the electric push rod 401 is electrically connected to the control panel 2, one end of the fixing rod 402 is fixedly connected to the output end of the electric push rod 401, the other end of the fixing rod 402 passes through the top of the detection platform housing 1, and slides with the detection platform housing 1, the mandibular band sample clamp 6 is connected to one end of the fixing rod 402 passing through the detection platform housing 1 by bolts, and the adjustment component 7 includes a notch 701, a bidirectional screw rod 702 and two sliders 703, the notch 701 is opened on the mandibular band sample clamp 6, and the two ends of the bidirectional screw rod 702 are connected to the notch 701 The inner wall is rotatably connected, and the directions of the threads on the two ends of the bidirectional screw rod 702 are opposite. The two sliders 703 are sleeved on the bidirectional screw rod 702 and slideably cooperate with the slot 701. The two sliders 703 are symmetrically arranged, and the two support rods 8 are fixedly connected to the corresponding sliders 703 respectively. The rotating assembly 9 includes a rotating rod 901 and a turntable 902. One end of the rotating rod 901 passes through the mandibular band sample clamp 6 and is fixedly connected to one end of the bidirectional screw rod 702. The rotating rod 901 is rotatably connected to the mandibular band sample clamp 6, and the turntable 902 is fixedly connected to the other end of the rotating rod 901.

[0021] 1, so that the two support rods 8 on the chin strap sample clamp 6 are adjusted to the desired size. The chin strap is placed below the two support rods 8 and in the gaps of the two support rods 8. At this time, the chin strap is in a stretched state. At this time, the electric push rod 401 is started, and the electric push rod 401 slowly drives the fixed rod 402, the chin strap sample clamp 6, the adjustment component 7, the rotating component 9, the two support rods 8 and the chin strap supported and fixed by the two support rods 8 to move downward, and stretch the chin strap. The pressure applied to the chin strap is transmitted to the safety helmet, and the pressure sensor 502 and the head mold 501 are pressurized by the safety helmet. The pressure signal is transmitted to the control panel 2 through the pressure sensor 502. The pressure sensor 502 is an existing device, and the control panel 2 is a plc control panel in the prior art. The pressure data applied to the chin strap can be seen on the control panel 2. When the chin strap is disconnected or loosened, the maximum load value at this time is recorded. At this time, the chin strap strength test is ended, and the electric push rod 401 drives the fixed rod 402, the chin strap sample clamp 6, the adjustment component 7, the rotating component 9, and the two support rods 8 back to the initial position.

[0022] Specifically, the testing platform housing 1 is sprayed with anti-corrosion paint.

[0023] In this embodiment, anti-corrosion paint is sprayed to prevent the detection platform housing 1 from rusting, thereby increasing the service life.

[0024] The above is only the preferred embodiment of the utility model, and does not limit the utility model in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model without departing from the technical solution of the utility model still belongs to the protection scope of the technical solution of the utility model.

Claims

1. A safety helmet strength testing device, comprising a testing platform housing (1), characterized in that: The detection platform shell (1) is provided with a control panel (2), the detection platform shell (1) is provided with a support assembly (3) and a lifting assembly (4), the support assembly (3) is provided with a pressure detection assembly (5), the lifting assembly (4) is provided with a mandibular sample band clamp (6), the mandibular sample band clamp (6) is provided with an adjustment assembly (7) and two support rods (8), the two support rods (8) are connected to the adjustment assembly (7), the adjustment assembly (7) is provided with a rotating assembly (9), the two support rods (8) can be moved away from or closer to each other by the adjustment assembly (7), and the lifting assembly (4) can drive the mandibular sample band clamp (6), the adjustment assembly (7), the rotating assembly (9) and the two support rods (8) to move up and down horizontally.

2. The helmet strength detection device according to claim 1, characterized in that: The support assembly (3) comprises a support plate (301) and a connection plate (302); the support plate (301) is fixedly mounted on the detection platform housing (1); and the connection plate (302) is fixedly mounted on the support plate (301).

3. The helmet strength detection device according to claim 2, characterized in that: The pressure detection assembly (5) comprises a head mold (501) and a pressure sensor (502); the pressure sensor (502) is arranged on the head mold (501); and the head mold (501) is connected to the connecting plate (302) via bolts.

4. The helmet strength detection device according to claim 1, characterized in that: The lifting assembly (4) comprises an electric push rod (401) and a fixed rod (402); the detection platform housing (1) is hollow; the electric push rod (401) is fixedly installed in the detection platform housing (1); the electric push rod (401) is electrically connected to the control panel (2); one end of the fixed rod (402) is fixedly connected to the output end of the electric push rod (401); the other end of the fixed rod (402) passes through the top of the detection platform housing (1) and is slidably matched with the detection platform housing (1); the mandibular band sample clamp (6) is connected to one end of the fixed rod (402) passing through the detection platform housing (1) by bolts.

5. The helmet strength detection device according to claim 4, characterized in that: The adjustment assembly (7) comprises a notch (701), a bidirectional screw rod (702) and two sliders (703); the notch (701) is provided on the mandibular strap sample clamp (6); the two ends of the bidirectional screw rod (702) are rotatably connected to the inner wall of the notch (701); the threads on the two ends of the bidirectional screw rod (702) are in opposite directions; the two sliders (703) are sleeved on the bidirectional screw rod (702) and slidably cooperate with the notch (701); the two sliders (703) are symmetrically arranged; and the two support rods (8) are respectively fixedly connected to the corresponding sliders (703).

6. The helmet strength detection device according to claim 5, characterized in that: The rotating assembly (9) comprises a rotating rod (901) and a rotating disk (902); one end of the rotating rod (901) passes through the mandibular band sample clamp (6) and is fixedly connected to one end of the bidirectional screw rod (702); the rotating rod (901) is rotatably connected to the mandibular band sample clamp (6); and the rotating disk (902) is fixedly connected to the other end of the rotating rod (901).

7. The helmet strength detection device according to claim 1, characterized in that: The detection platform housing (1) is sprayed with anti-corrosion paint.

Images