Safety helmet performance detection device for safety management of constructional engineering
By designing a helmet performance testing device with a base plate, cone head, and linkage components, and utilizing the cooperation of cylinders and springs, the device simulates the impact force of falling from different heights. This solves the problem of the upper limit of the detection height of existing devices, realizes multi-angle helmet performance testing, and improves the operability and authenticity of the testing.
Patent Information
- Application Number
- CN202423127565.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-18
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-12-18
AI Technical Summary
Existing helmet detection devices are limited to the upper limit of detection height and cannot simulate the impact force generated by falling from different heights, resulting in poor operability.
A safety helmet performance testing device was designed, comprising a base plate, a cone head, an adjustment frame, and a linkage assembly. The device uses an air pump box to fill the cylinder and utilizes gravity acceleration and inertia to simulate the impact force of falling from different heights. The device combines the tip and flat end of the cone head to conduct impact tests, enabling multi-angle testing.
It enhances the operability and realism of the test, and can simulate drop tests at different heights to ensure the rationality and reliability of the test data.
Smart Images

Figure CN223637302U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to hard hat detection technical field, more specifically, relate to a kind of hard hat performance detection device for construction engineering safety management. BACKGROUND
[0002] Hard hat is a kind of personal protective equipment for protecting head from injury, and is widely used in many workplaces and dangerous environments. In the construction site of construction engineering, safety helmet is needed to ensure safety.
[0003] To ensure the quality of hard hat production, sampling detection is needed to ensure that the hard hat produced in batches meets safety standards. The existing detection device mostly detects the safety through the falling hammer part of vertical drop. The existing detection device has an upper limit of detection height, and it is not convenient to simulate the actual impact test after the acceleration generated by falling from different heights. Therefore, we propose a kind of hard hat performance detection device for construction engineering safety management. UTILITY MODEL CONTENT
[0004] The utility model aims at overcoming the shortcomings of prior art, adapting to the actual needs, and providing a kind of hard hat performance detection device for construction engineering safety management to solve the technical problems of the upper limit of detection height of current detection device, inconvenient simulation of impact force generated by falling from different heights, and poor operability.
[0005] To solve the above technical problems, the utility model provides the following technical scheme: a kind of hard hat performance detection device for construction engineering safety management, including bottom plate, cone head, adjusting frame and linkage assembly, the middle part of the upper end surface of bottom plate is equipped with head mould, and safety helmet is worn on head mould, both sides of the upper end surface of bottom plate are equipped with side frame, and air pump box is equipped in the bottom of inner side of side frame, the inner side upper end of side frame is slidably installed with lifting plate, both sides recess of side frame are fixed with air cylinder, and the top of air cylinder is connected with lifting plate, the outer end of adjusting frame is fixed on lifting plate, the linkage assembly is installed in the outer end of adjusting frame, the cone head is connected with the lower end of linkage assembly by connecting piece.
[0006] The utility model discloses a high -altitude falling simulation test device, including the connecting piece, the connecting piece bottom is equipped with the head mould, the head mould top is equipped with the helmet, the helmet top is equipped with the gas cylinder, the gas cylinder top is equipped with the air pump box, the air pump box top is equipped with the air pump, the air pump bottom is equipped with the control equipment, the gas cylinder bottom is equipped with the electromagnetic valve pipe, the gas cylinder is equipped with the spring, the gas cylinder is equipped with the adjusting frame, the gas cylinder is equipped with the conical head, the adjusting frame is equipped with the linkage assembly, the connecting piece is equipped with the linkage assembly.
[0007] Preferably, the upper end of the gas cylinder is sleeved with a spring on the outside, and the upper end of the spring is attached to the bottom of the lifting plate.
[0008] Preferably, the outside of the conical head is sleeved with a collar, and the collar is provided with a shaft sleeve on both sides.
[0009] Preferably, the linkage assembly is composed of a sliding end and a linkage arm, the sliding end is installed on the upper end of the linkage arm, and the sliding end is slidingly installed in the sliding groove on the inside of the adjusting frame.
[0010] Preferably, the two ends of the connecting piece are respectively provided with a shaft end and a hinge end, the shaft end is annularly arranged with resistance pads, and the shaft end is rotatably installed in the shaft sleeve.
[0011] Preferably, the lower end of the linkage arm is rotatably connected with the hinge end, and the clamping block is clamped in the clamping sleeve.
[0012] Compared with the prior art, the utility model has the beneficial effects that:
[0013] 1. The utility model discloses a side frame is designed, and the air pump case is started to fill air to the inside of air cylinder, and the air cylinder expands and drives the adjustment frame and the cone head part to go up, and the corresponding height and gravity acceleration make the cone head produce impact force, and the adjustment spring expands amplitude, after adjusting, the solenoid valve pipe is started to discharge the air in the air cylinder, and the spring rebound drives the adjustment frame and the cone head part to drop rapidly, and the cone head impact head mould realizes simulation detection, and can adjust the cone head orientation through the rotation of the shaft end and resistance pad, and the tip of the cone head and the plane end carry out different impact test, through the above structure, can simulate falling test according to the impact force of corresponding object falling at different height, and the operability is strong.
[0014] 2. The utility model discloses still through the design linkage assembly, when the adjustment frame and the cone head drop rapidly, spring resets to the bottom end, and the clamping block and the clamping sleeve are separated through inertia and gravity effect, the cone head part still drops down at this time, and the hinge end realizes the inclination of linkage arm, and the upper end sliding end of linkage arm slides in the built-in sliding slot in the adjustment frame, and the above structure imitates gravity acceleration operation through inertia effect, makes the cone head vertical drop simulation high altitude falling, enhances the reliability and authenticity of test detection, guarantees the reasonable of detection data. DRAWINGS
[0015] Figure 1 It is the front view structure schematic drawing of the utility model;
[0016] Figure 2 It is the use structure schematic drawing of the utility model;
[0017] Figure 3 It is the cone head structure schematic drawing of the utility model;
[0018] Figure 4 It is the enlarged structure schematic drawing of the utility model;
[0019] Figure 5 It is the connecting piece structure schematic drawing of the utility model.
[0020] Mark number explanation in drawing: 1, bottom plate; 2, head mould; 201, safety helmet; 3, side frame; 301, air pump case; 302, air cylinder; 303, spring; 304, lifting plate; 305, solenoid valve pipe; 4, cone head; 401, collar; 402, shaft sleeve; 5, adjustment frame; 6, linkage assembly; 601, sliding end; 602, linkage arm; 603, clamping sleeve; 7, connecting piece; 701, shaft end; 702, resistance pad; 703, hinge end; 704, clamping block. DETAILED DESCRIPTION
[0021] As Figures 1 to 4The utility model relates to a safety helmet performance detection device for constructional engineering safety management, including bottom plate 1, cone head 4, adjusting frame 5 and linkage assembly 6, the upper end surface middle part of bottom plate 1 is equipped with head mould 2, and the safety helmet helmet 201 is worn on head mould 2, and the both sides of the upper end surface of bottom plate 1 are all installed with side frame 3, and the inboard bottom of side frame 3 is equipped with air pump box 301, and the inboard upper end of side frame 3 is slidably installed with lifting plate 304, the both sides recesses of side frame 3 are all fixed with air cylinder 302, and air cylinder 302 top connects lifting plate 304, and the upper end outside of air cylinder 302 is sleeved with spring 303, and spring 303 upper end sticks to lifting plate 304 bottom, and the lower end outside of air cylinder 302 is equipped with electromagnetic valve pipe 305, and air cylinder 302 passes through the pipeline and is communicated with air pump box 301, starts air pump box 301 and fills air to the inside of air cylinder 302, and air cylinder 302 expands and drives adjusting frame 5 and cone head 4 part to rise, according to corresponding height and gravity acceleration makes cone head 4 produce impact force, adjusts spring 303 expansion amplitude, after adjusting, starts electromagnetic valve pipe 305 and discharges the air in air cylinder 302, and through the rebound of spring 303 drives adjusting frame 5 and cone head 4 part to descend quickly, realizes simulation detection through the impact of cone head 4 to head mould 2, can adjust the orientation of cone head 4 through the rotation of shaft end 701 and resistance pad 702, carries out different impact test through the tip of cone head 4 and plane end, through the above-mentioned structure, can simulate falling test according to the impact force of corresponding object falling at different height high speed, and the operability is strong.
[0022] As Figures 2 to 5The utility model relates to a safety helmet performance detection device for constructional engineering safety management, including bottom plate 1, cone head 4, adjusting frame 5 and linkage assembly 6, the outer end of adjusting frame 5 is fixed on lifting plate 304, linkage assembly 6 is installed in the outer end of adjusting frame 5, and cone head 4 is connected with the lower end of linkage assembly 6 through connecting piece 7, and the outside of cone head 4 is sleeved with collar 401, and both sides of collar 401 are equipped with shaft sleeve 402, and the upper and lower ends of cone head 4 are equipped with pointed end and plane end respectively, and cone head 4 corresponds safety helmet 201, and linkage assembly 6 is composed of sliding end 601 and linkage arm 602, sliding end 601 is installed on the upper end of linkage arm 602, and sliding end 601 is slidably installed in the inside slide groove of adjusting frame 5, and the lower end of linkage arm 602 is equipped with clamping sleeve 603, and both ends of connecting piece 7 are equipped with pivot end 701 and hinge end 703 respectively, pivot end 701 is annularly arranged with resistance pad 702, pivot end 701 is rotatably installed in shaft sleeve 402, the lower side of hinge end 703 is fixed with clamping block 704, the lower end of linkage arm 602 is rotatably connected with hinge end 703, clamping block 704 is clamped in clamping sleeve 603, when cone head 4 and adjusting frame 5 are located in the same horizontal plane, clamping block 704 is butt joint with clamping sleeve 603, the height of cone head 4 is limited at this time, when adjusting frame 5 and cone head 4 fall rapidly, spring 303 resets to the bottom end, clamping block 704 and clamping sleeve 603 are separated through the inertia and gravity effect, at this time, the part of cone head 4 still falls, at this time, hinge end 703 realizes the inclination of linkage arm 602, and sliding end 601 on the upper end of linkage arm 602 slides in the built-in slide groove of adjusting frame 5, the above structure simulates gravity acceleration operation through the inertia effect, makes cone head 4 vertical fall simulation high altitude fall, enhances the reliability and authenticity of test and detection, and ensures that the detection data is reasonable.
[0023] Working principle: the embodiment provides a kind of hard hat performance detection device for construction engineering safety management, external power supply is powered, operator starts the device by external control equipment, wear safety helmet 201 on head mould 2, then start air pump box 301, air is filled to the inside of pneumatic cylinder 302, pneumatic cylinder 302 expands and drives adjusting frame 5 and conical head 4 part rise, according to corresponding height and gravity acceleration, make conical head 4 produce impact force, adjusting spring 303 expands amplitude, after adjustment is completed, start electromagnetic valve pipe 305, air in pneumatic cylinder 302 is discharged, the rebound of spring 303 drives adjusting frame 5 and conical head 4 part and quickly falls, by conical head 4 impact head mould 2, realize simulation detection, can be rotated by pivot end 701 and resistance pad 702, adjust the direction of conical head 4, different impact tests are carried out by the tip of conical head 4 and plane end, when adjusting frame 5 and conical head 4 quickly fall, spring 303 resets to the bottom end, by inertia and gravity effect, make clamping block 704 and clamping sleeve 603 separate, conical head 4 part still falls at this time, hinge end 703 realizes the inclination of linkage arm 602, linkage arm 602 upper end sliding end 601 slide in the built-in sliding groove of adjusting frame 5.
[0024] The embodiments of the utility model discloses the better embodiment, but is not limited to this, the ordinary skill of the art, easily according to the above-mentioned embodiment, the spirit of the utility model is appreciated, and different extension and change are made, but as long as not departing from the spirit of the utility model, all are within the protection scope of the utility model.
Claims
1. A safety helmet performance detection device for construction safety management, comprising a base plate (1), a cone head (4), an adjusting frame (5) and a linkage assembly (6), characterized in that: The upper end surface of the bottom plate (1) is provided with a head mold (2), and the head mold (2) is provided with a safety helmet (201), both sides of the upper end surface of the bottom plate (1) are provided with side frames (3), and the inner bottom of the side frame (3) is provided with a gas pump box (301), the inner upper end of the side frame (3) is slidably provided with a lifting plate (304), both sides of the side frame (3) are fixedly provided with a gas cylinder (302), and the top of the gas cylinder (302) is connected with the lifting plate (304), the outer end of the adjusting frame (5) is fixed on the lifting plate (304), the linkage assembly (6) is installed on the outer end of the adjusting frame (5), and the taper head (4) is connected with the lower end of the linkage assembly (6) through the connecting piece (7).
2. The hard hat performance detection device for construction safety management according to claim 1, characterized in that: The outer side of the upper end of the gas cylinder (302) is sleeved with a spring (303), and the upper end of the spring (303) is attached to the bottom of the lifting plate (304), the outer side of the lower end of the gas cylinder (302) is provided with a solenoid valve pipe (305), and the gas cylinder (302) is communicated with the gas pump box (301) through a conduit.
3. The safety helmet performance detection device for construction safety management according to claim 2, characterized in that: The outer side of the taper head (4) is sleeved and fixed with a sleeve ring (401), and the both sides of the sleeve ring (401) are provided with shaft sleeves (402), the upper and lower ends of the taper head (4) are respectively provided with a pointed end and a flat end, and the taper head (4) corresponds to the safety helmet (201).
4. The safety helmet performance detection device for construction safety management according to claim 3, characterized in that: The linkage assembly (6) is composed of a sliding end (601) and a linkage arm (602), the sliding end (601) is installed on the upper end of the linkage arm (602), and the sliding end (601) is slidably installed in the sliding groove on the inner side of the adjusting frame (5), and the lower end of the linkage arm (602) is provided with a clamping sleeve (603).
5. The safety helmet performance detection device for construction safety management according to claim 4, characterized in that: The both ends of the connecting piece (7) are respectively provided with a rotating shaft end (701) and a hinge end (703), the rotating shaft end (701) is arranged in an annular array and is provided with a resistance pad (702), and the rotating shaft end (701) is rotatably installed in the shaft sleeve (402), and the lower side of the hinge end (703) is fixedly provided with a clamping block (704).
6. The safety helmet performance detection device for construction safety management according to claim 5, characterized in that: The lower end of the linkage arm (602) is rotatably connected with the hinge end (703), and the clamping block (704) is clamped in the clamping sleeve (603).