CN112577692B - Intelligent random collision test equipment for safety helmet - Google Patents
Intelligent random collision test equipment for safety helmet Download PDFInfo
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- CN112577692B CN112577692B CN202110153104.6A CN202110153104A CN112577692B CN 112577692 B CN112577692 B CN 112577692B CN 202110153104 A CN202110153104 A CN 202110153104A CN 112577692 B CN112577692 B CN 112577692B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
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Abstract
The invention relates to intelligent test equipment, in particular to intelligent test equipment for random collision of a safety helmet. The technical problem of the invention is that: the intelligent random collision test equipment for the safety helmet, which can realize automatic test and has a good test effect, is provided. The technical implementation scheme of the invention is as follows: an intelligent random collision test device for a safety helmet comprises a base and a mounting rack, wherein the mounting rack is arranged on one side of the base; the bracket is arranged on one side of the base; the driving mechanism is arranged in the middle of the base; the clutch mechanism is arranged among the base, the mounting frame and the driving mechanism; and the rotating mechanism is connected between the clutch mechanism and the mounting frame. Through the cooperation between actuating mechanism, clutching mechanism, slewing mechanism and the extrusion mechanism, can realize the intelligent test to the helmet, through the position of random test helmet, can improve the pressure measurement effect.
Description
Technical Field
The invention relates to intelligent test equipment, in particular to intelligent test equipment for random collision of a safety helmet.
Background
The helmet is a harness for protecting the head, is a hat worn by soldiers in training and battle, and is an indispensable tool in people's traffic. It is mainly composed of three portions of external shell, lining and suspension device. The shell is made of special steel, glass fiber reinforced plastic, leather, nylon and other materials respectively to resist the damage of bullets, shrapnel and other striking objects to the head.
Therefore, the helmet anti-compression test is vital, and the existing anti-compression test only adopts some anti-compression equipment to impact the helmet, so that the test effect is poor, and the operation of technical personnel is needed, therefore, the intelligent testing device for the side anti-compression of the safety helmet, which can realize automatic test and good test effect, is developed at present.
Disclosure of Invention
In order to overcome the defects that the existing compression-resistant equipment has poor testing effect and needs to be operated by technical personnel, the invention has the technical problems that: the intelligent random collision test equipment for the safety helmet, which can realize automatic test and has a good test effect, is provided.
The technical implementation scheme of the invention is as follows: a safety helmet random collision intelligent test device comprises:
the mounting rack is arranged on one side of the base;
the bracket is arranged on one side of the base;
the driving mechanism is arranged in the middle of the base;
the clutch mechanism is arranged among the base, the mounting frame and the driving mechanism;
the rotating mechanism is connected between the clutch mechanism and the mounting frame;
and the extrusion mechanism is connected between the base and the clutch mechanism.
More preferably, the drive mechanism includes:
the middle of the base is provided with the speed reducing motor;
the rotating rod is arranged on the output shaft of the speed reducing motor.
More preferably, the clutch mechanism includes:
the two sides of the middle part of the base are both connected with first guide rods;
the guide plate is connected between the first guide rods in a sliding manner;
the first springs are arranged between the two sides of the bottom of the guide plate and the first guide rods on the same side;
a connecting plate is arranged on one side of the guide plate;
the pedal is arranged on one side of the connecting plate;
the rotating rod is provided with a first toothed bar;
the middle of the mounting frame is rotatably connected with the driving rod;
the lower part of the driving rod is provided with a second rack bar;
first ring gear, slidingtype are connected with first ring gear between second ratch and the first ratch, and first ring gear is connected with the deflector rotary type.
More preferably, the rotating mechanism includes:
the upper part of the driving rod is provided with a rotating frame;
the outer side of the rotating frame is provided with a fixing ring;
the gear ring is arranged on one side of the mounting rack;
the top of the rotating frame is uniformly provided with fixed rods;
the fixed rods are rotatably connected with gears which are meshed with the gear rings;
the fixed model is arranged at the top of the gear.
More preferably, the pressing mechanism includes:
the right rear side of the base is provided with a fixed frame;
the guide sleeve is connected between the fixed frame and the bracket;
the guide sleeve is connected with a second guide rod in a sliding manner;
a pressing block is arranged on one side of the second guide rod;
the pull ring is arranged on the right side of the second guide rod;
the lower part of the guide sleeve is rotatably connected with a wire guide wheel;
the clamping block is arranged at the bottom of the pull ring;
the pull rope is arranged on one side of the clamping block and bypasses the wire guide wheel;
the vertical rod is arranged on one side of the base and is connected with the connecting plate in a sliding manner;
the vertical rods are connected with the placing disc in a sliding manner;
the top of the placing disc is provided with a guide pipe which is connected with the vertical rod in a sliding manner;
the weights are placed on the placing disc, and the top of the guide pipe is connected with the pull rope;
and one side of the top of the connecting plate is provided with a limiting rod.
More preferably, the apparatus further comprises a supporting mechanism, wherein the supporting mechanism comprises:
the linkage rod is arranged on one side of the placing disc;
the top of the first guide rod on the right side of the first sliding rod is provided with a first sliding rod;
the first sliding sleeve is connected with the first sliding rod in a sliding mode, and one side of the first sliding sleeve is connected with the linkage rod;
the square hole pipe is arranged on one side of the first sliding sleeve;
the square rod is connected in the square hole pipe in a sliding manner;
one side of the square rod is provided with a first wedge-shaped block;
a second slide bar is arranged on one side of the first wedge-shaped block;
a second sliding sleeve is arranged on one side of the square hole pipe and is connected with a second sliding rod in a sliding manner;
a second spring is connected between one side of the second sliding sleeve and the first wedge-shaped block;
the rotating frame is uniformly provided with a third sliding sleeve;
the two sides of the third sliding sleeve are both connected with a third sliding rod in a sliding manner;
the second wedge-shaped blocks are arranged between the lower parts of the third slide bars on the same side;
the upper parts of the third sliding rods are connected with damping rings in a sliding manner, and the bottoms of the damping rings are connected with the tops of the third sliding sleeves;
the upper parts of the bearing brackets and the third sliding rod are connected with the bearing brackets.
More preferably, the locking device further comprises a locking mechanism, wherein the locking mechanism comprises:
the connecting frames are arranged on two sides of the top of the guide plate;
and a second gear ring is connected between the connecting frames and is connected with a second gear rod in a sliding manner.
More preferably, still include stop gear, stop gear includes:
one side of the placing disc is connected with the rotating shaft;
the rotating shaft is rotatably connected with the rotating ring;
the stop lever is connected to the rotating ring;
the rubber block is arranged on one side of the bottom of the placing disc;
a clockwork spring is connected between the rotary ring and the rotary shaft.
More preferably, the method further comprises the following steps:
the orientation rod is arranged on one side of the guide pipe.
Compared with the prior art, the invention has the following advantages: 1. through the cooperation between actuating mechanism, clutching mechanism, slewing mechanism and the extrusion mechanism, can realize the intelligent test to the helmet, through the position of random test helmet, can improve the pressure measurement effect.
2. Through the cooperation between the supporting mechanism and the locking mechanism, the helmet after pressure measurement can be automatically taken out, and the work of people is reduced.
3. Through the cooperation between stop gear and the directional pole, can realize direction and fixed action to the weight.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of the clutch mechanism of the present invention.
Fig. 3 is a schematic perspective view of the rotating mechanism of the present invention.
Fig. 4 is a schematic perspective view of the lifting mechanism of the present invention.
Fig. 5 is a partial perspective view of the present invention.
Fig. 6 is a schematic perspective view of the pressing mechanism of the present invention.
The parts are labeled as follows: 1. a base, 2, a mounting frame, 3, a bracket, 4, a driving mechanism, 41, a speed reducing motor, 42, a rotating rod, 5, a clutch mechanism, 51, a first guide rod, 52, a guide plate, 53, a first spring, 54, a connecting plate, 55, a pedal, 56, a first toothed rod, 57, a first gear ring, 58, a second toothed rod, 59, a driving rod, 6, a rotating mechanism, 61, a rotating frame, 62, a fixing ring, 63, a fixing rod, 64, a gear, 65, a fixing model, 66, a toothed ring, 7, a squeezing mechanism, 71, a fixing frame, 72, a guide sleeve, 73, a second guide rod, 74, a pressing block, 75, a pull ring, 76, a clamping block, 77, a pull rope, 78, a guide wire wheel, 79, a vertical rod, 710, a placing disc, 711, a guide pipe, 712, a weight, 713, a limiting rod, 8, a supporting mechanism, 81, a linkage rod, 82, a first sliding rod, 83, a first sliding sleeve, 84, a square hole pipe, 85, a square rod, 86. the device comprises a first wedge-shaped block, 87, a second sliding rod, 88, a second sliding sleeve, 89, a second spring, 810, a third sliding sleeve, 811, a damping ring, 812, a third sliding rod, 813, a second wedge-shaped block, 814, a support bracket, 9, a locking mechanism, 91, a connecting frame, 92, a second gear ring, 10, a limiting mechanism, 101, a rotating shaft, 102, a rotating ring, 103, a stop lever, 104, a rubber block, 105, a clockwork spring, 11 and an orientation lever.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The utility model provides a safety helmet random collision intelligent test equipment, as shown in figure 1, including base 1, mounting bracket 2, support 3, actuating mechanism 4, clutching mechanism 5, slewing mechanism 6 and extrusion mechanism 7, base 1 left side is equipped with mounting bracket 2, base 1 right side front side is equipped with support 3, be equipped with actuating mechanism 4 in the middle of the base 1, be equipped with clutching mechanism 5 between mounting bracket 2 and the actuating mechanism 4, be connected with slewing mechanism 6 between clutching mechanism 5 and the mounting bracket 2, be connected with extrusion mechanism 7 between base 1 and the clutching mechanism 5.
When people need carry out resistance to compression intelligent test to the helmet side, place the helmet earlier on slewing mechanism 6's part, start actuating mechanism 4 afterwards, actuating mechanism 4 drives slewing mechanism 6's part through clutching mechanism 5 and rotates for the helmet constantly rotates, through stepping on clutching mechanism 5, drives extrusion mechanism 7 and strikes the pressure measurement to the helmet, takes out the helmet after the completion, closes actuating mechanism 4 can.
Example 2
On the basis of embodiment 1, as shown in fig. 1 to 6, the driving mechanism 4 includes a speed reducing motor 41 and a rotating rod 42, the speed reducing motor 41 is disposed in the middle of the base 1, and the rotating rod 42 is disposed on an output shaft of the speed reducing motor 41.
When people need carry out resistance to compression intelligence test to the helmet side, place the helmet on slewing mechanism 6's part earlier, start gear motor 41 afterwards, gear motor 41 output shaft rotates and drives bull stick 42 and rotate, and then drives slewing mechanism 6's part and helmet and rotate, and it can to close gear motor 41 after the completion.
The clutch mechanism 5 comprises a first guide rod 51, a guide plate 52, a first spring 53, a connecting plate 54, a pedal 55, a first rack bar 56, a first gear ring 57, a second rack bar 58 and a driving rod 59, the left side and the right side of the middle of the base 1 are both connected with the first guide rod 51, the guide plate 52 is connected between the first guide rods 51 in a sliding manner, the first spring 53 is arranged between the left side and the right side of the bottom of the guide plate 52 and the first guide rod 51 on the same side, the connecting plate 54 is arranged on the right side of the guide plate 52, the pedal 55 is arranged on the right side of the connecting plate 54, the first rack bar 56 is arranged on the rotating rod 42, the driving rod 59 is connected in a rotating manner in the middle of the mounting frame 2, the second rack bar 58 is arranged on the lower portion of the driving rod 59, the first gear ring 57 is connected between the second rack bar 58 and the first rack bar 56 in a sliding manner, and the first gear ring 57 is connected with the guide plate 52 in a rotating manner.
The rotating rod 42 rotates to drive the first rack bar 56, the first gear ring 57, the second rack bar 58, the driving rod 59, the rotating mechanism 6 and the helmet to rotate, then the pedal 55 is stepped on, so that the connecting plate 54, the guide plate 52 and the first gear ring 57 move downwards, the first spring 53 is compressed, at the moment, the first gear ring 57 is separated from the second rack bar 58, the second rack bar 58 stops moving, the helmet also stops moving, the squeezing mechanism 7 is driven to test the helmet, after the helmet is completed, the helmet is taken down, the pedal 55 is released, under the action of the first spring 53, the connecting plate 54, the guide plate 52 and the first gear ring 57 are driven to move upwards to reset, and at the moment, the first gear ring 57 is attached to the second gear bar 58.
When people need carry out the resistance to compression intelligence test to the helmet side, place the helmet on fixed model 65 earlier, actuating lever 59 rotates and drives rotating turret 61, solid fixed ring 62, dead lever 63, gear 64 and fixed model 65 and rotate, under the effect of ring gear 66, drives gear 64 and the rotation of fixed model 65 for the helmet also rotates, and test helmet effect can be better at random like this.
The extrusion mechanism 7 comprises a fixed frame 71, a guide sleeve 72, a second guide rod 73, a pressing block 74, a pull ring 75, a fixture block 76, a pull rope 77, a wire guide wheel 78, a vertical rod 79, a placing disc 710, a guide tube 711, weights 712 and a limiting rod 713, the fixed frame 71 is arranged on the right rear side of the base 1, the guide sleeve 72 is connected between the fixed frame 71 and the support 3, the second guide rod 73 is slidably connected on the guide sleeve 72, the pressing block 74 is arranged on the left side of the second guide rod 73, the pull ring 75 is arranged on the right side of the second guide rod 73, the wire guide wheel 78 is rotatably connected on the lower portion of the guide sleeve 72, the fixture block 76 is arranged at the bottom of the pull ring 75, the pull rope 77 is arranged on the left side of the fixture block 76, the pull rope 77 bypasses the wire guide wheel 78, the vertical rod 79 is arranged in the middle of the right side of the base 1, the vertical rod 79 is slidably connected with the connecting plate 54, the placing disc 710 is slidably connected with the weight 711 on the vertical rod 711, the guide tube 711 is slidably connected with the vertical rod 79, a plurality of placing disc 710, the top of the guide tube 711 is connected with the pull rope 77, the right side of the top of the connecting plate 54 is provided with a limiting rod 713, and the limiting rod 713 is matched with the clamping block 76.
According to the helmet compression resistance testing degree required by people, the weight 712 can be placed adaptively, the connecting plate 54 moves downwards to drive the limiting rod 713 to move downwards, the clamping block 76 is separated from the limiting rod 713, the weight 712, the placing disc 710 and the guide pipe 711 are driven to move downwards under the action of the gravity of the weight 712, the pull rope 77 is pulled to drive the pull ring 75, the clamping block 76, the second guide rod 73 and the pressing block 74 to move leftwards, the pressing block 74 impacts the helmet, after pressure measurement is completed, the pull ring 75, the clamping block 76, the second guide rod 73 and the pressing block 74 are pulled to move rightwards to reset, the placing disc 710, the guide pipe 711 and the weight 712 are driven to move upwards to reset through the pull rope 77, and the connecting plate 54 moves upwards to drive the limiting rod 713 to move upwards to reset and clamp the clamping block 76.
The lifting mechanism 8 comprises a linkage rod 81, a first sliding sleeve 82, a first sliding sleeve 83, a square hole pipe 84, a square rod 85, a first wedge block 86, a second sliding sleeve 87, a second sliding sleeve 88, a second spring 89, a third sliding sleeve 810, a damping ring 811, a third sliding sleeve 812, a second wedge block 813 and a bearing bracket 814, wherein the linkage rod 81 is arranged on the left side of the placing disc 710, the first sliding rod 82 is arranged at the top of the first guide rod 51 on the right side, the first sliding sleeve 83 is connected with the first sliding sleeve 82 in a sliding manner, the right side of the first sliding sleeve 83 is connected with the linkage rod 81, the square hole pipe 84 is arranged on the left upper side of the first sliding sleeve 83, the square rod 85 is connected with the square hole pipe 84 in a sliding manner, the first wedge block 86 is arranged on the left side of the square rod 85, the second sliding sleeve 87 is arranged on the right side of the front side of the first wedge block 86, the second sliding sleeve 88 is arranged on the front side of the square hole pipe 84, the second sliding sleeve 88 is connected with the second sliding sleeve 87, a second spring 89 is connected between the left side of the second sliding sleeve 88 and the first wedge-shaped block 86, a third sliding sleeve 810 is uniformly arranged on the rotating frame 61, third sliding rods 812 are connected to both sides of the third sliding sleeve 810 in a sliding manner, a second wedge-shaped block 813 is arranged between the lower parts of the two third sliding rods 812 on the same third sliding sleeve 810, damping rings 811 are connected to the upper parts of the third sliding rods 812 in a sliding manner, the bottom of each damping ring 811 is connected to the top of the third sliding sleeve 810, support brackets 814 are connected to the upper parts of the third sliding rods 812, and the two support brackets 814 are respectively located on both sides of the corresponding fixed model 65.
The placing disc 710 moves downwards to drive the linkage rod 81, the first sliding sleeve 83, the square hole pipe 84 and the upper parts to move downwards, when the first wedge-shaped block 86 is in contact with the second wedge-shaped block 813, the first wedge-shaped block 86, the square rod 85 and the second sliding rod 87 move rightwards, the second spring 89 is compressed, when the first wedge-shaped block 86 is separated from the second wedge-shaped block 813, the first wedge-shaped block 86, the square rod 85 and the second sliding rod 87 are driven to move leftwards to reset under the action of the second spring 89, the placing disc 710 moves upwards to drive the linkage rod 81, the first sliding sleeve 83, the square hole pipe 84 and the upper parts to move upwards to reset, when the first wedge-shaped block 86 is in contact with the second wedge-shaped block 813 again, the second wedge-shaped block 813, the third sliding rod 812 and the support bracket 814 are driven to move upwards to eject the helmet, and the third sliding rod 812 can be decelerated under the action of the damping ring 811, subsequently, when the second wedge block 813 rotates away from the first wedge block 86, the second wedge block 813, the third sliding rod 812 and the support bracket 814 move downwards to be reset due to the action of gravity.
The locking mechanism 9 is further included, the locking mechanism 9 includes a connecting frame 91 and a second gear ring 92, the connecting frame 91 is arranged on the left side and the right side of the top of the guide plate 52, the second gear ring 92 is connected between the connecting frames 91, and the second gear ring 92 is connected with the second gear rod 58 in a sliding mode.
The guide plate 52 moves downwards to drive the connecting frame 91 and the second gear ring 92 to move downwards, when the driving rod 59 is separated again, due to inertia, the driving rod 59 can continue to rotate, when the second gear ring 92 moves downwards and is in contact with the second gear rod 58, the second gear rod 58 and the driving rod 59 can stop moving, and when the guide plate 52 moves upwards to drive the connecting frame 91 and the second gear ring 92 to move upwards, the second gear ring 92 and the second gear rod 58 are separated.
The automatic winding device is characterized by further comprising a limiting mechanism 10, wherein the limiting mechanism 10 comprises a rotating shaft 101, a rotating ring 102, a stop lever 103, a rubber block 104 and a clockwork spring 105, the rotating shaft 101 is connected to the right side of the placing disc 710, the rotating shaft 101 is rotatably connected with the rotating ring 102, the stop lever 103 is connected to the rotating ring 102, the rubber block 104 is arranged on the right side of the bottom of the placing disc 710, and the clockwork spring 105 is connected between the rotating ring 102 and the rotating shaft 101.
In order to make the weight 712 fixed, avoid the weight 712 to fall out, can use pin 103 to block, when needing to deposit and withdraw the weight 712, can rotate pin 103 forward, drive swivel 102 and rotate, clockwork spring 105 is twistd reverse, under the effect of rubber block 104, make swivel 102 slew velocity slow down, play the effect of slowing down, deposit and withdraw the weight 712 afterwards, loosen pin 103 after the completion, under the effect of clockwork spring 105, drive swivel 102 and pin 103 and rotate and reset.
The device also comprises a directional rod 11, and the left side of the guide tube 711 is provided with the directional rod 11.
The orientation bar 11 guides and fixes the weight 712.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. The utility model provides a safety helmet random collision intelligent test equipment which characterized in that, including:
the device comprises a base (1) and a mounting rack (2), wherein the mounting rack (2) is arranged on one side of the base (1);
the bracket (3) is arranged on one side of the base (1);
the driving mechanism (4) is arranged in the middle of the base (1);
the clutch mechanism (5) is arranged among the base (1), the mounting rack (2) and the driving mechanism (4);
the rotating mechanism (6) is connected between the clutch mechanism (5) and the mounting rack (2);
the extrusion mechanism (7) is connected between the base (1) and the clutch mechanism (5);
the drive mechanism (4) comprises:
the speed reducing motor (41) is arranged in the middle of the base (1);
the output shaft of the speed reducing motor (41) is provided with a rotating rod (42);
the clutch mechanism (5) comprises:
the two sides of the middle part of the base (1) are both connected with the first guide rod (51);
the guide plates (52) are connected between the first guide rods (51) in a sliding manner;
the first springs (53) are arranged between the two sides of the bottom of the guide plate (52) and the first guide rods (51) on the same side;
a connecting plate (54), wherein one side of the guide plate (52) is provided with the connecting plate (54);
the pedal (55) is arranged on one side of the connecting plate (54);
the rotating rod (42) is provided with a first rack bar (56);
the middle of the mounting frame (2) is rotatably connected with the driving rod (59);
the lower part of the driving rod (59) is provided with a second rack bar (58);
the first gear ring (57) is connected between the second gear rod (58) and the first gear rod (56) in a sliding manner, and the first gear ring (57) is rotatably connected with the guide plate (52);
the rotating mechanism (6) comprises:
the upper part of the driving rod (59) is provided with the rotating frame (61);
the outer side of the rotating frame (61) is provided with a fixed ring (62);
a toothed ring (66), wherein the toothed ring (66) is arranged on one side of the mounting rack (2);
the top of the rotating frame (61) is uniformly provided with the fixed rods (63);
the fixed rod (63) is rotatably connected with a gear (64), and the gear (64) is meshed with a gear ring (66);
the fixed model (65) is arranged, and the fixed model (65) is arranged at the top of the gear (64);
when people need to carry out compression resistance intelligent test on the side face of the helmet, the helmet is placed on the fixed model (65) firstly, the driving rod (59) rotates to drive the rotating frame (61), the fixed ring (62), the fixed rod (63), the gear (64) and the fixed model (65) to rotate, and under the action of the toothed ring (66), the gear (64) and the fixed model (65) are driven to rotate, so that the helmet also rotates, and the helmet test effect is better;
the pressing mechanism (7) includes:
the fixing frame (71), the right back side of the base (1) is provided with the fixing frame (71);
the guide sleeve (72) is connected between the fixed frame (71) and the bracket (3);
the second guide rod (73), the guide sleeve (72) is connected with the second guide rod (73) in a sliding way;
a press block (74), wherein the press block (74) is arranged on one side of the second guide rod (73);
a pull ring (75) is arranged on the right side of the second guide rod (73);
the lower part of the guide sleeve (72) is rotatably connected with a wire guide wheel (78);
the fixture block (76) is arranged at the bottom of the pull ring (75);
a pull rope (77) is arranged on one side of the fixture block (76), and the pull rope (77) bypasses the wire guide wheel (78);
the vertical rod (79) is arranged on one side of the base (1), and the vertical rod (79) is connected with the connecting plate (54) in a sliding manner;
the vertical rod (79) is connected with the placing disc (710) in a sliding way;
the top of the placing disc (710) is provided with a guide pipe (711), and the guide pipe (711) is connected with the vertical rod (79) in a sliding manner;
the weights (712) are placed on the placing disc (710), and the top of the guide pipe (711) is connected with the pull rope (77);
the limiting rod (713) is arranged on one side of the top of the connecting plate (54).
2. The intelligent random impact testing device for safety helmets according to claim 1, further comprising a lifting mechanism (8), wherein the lifting mechanism (8) comprises:
one side of the placing disc (710) is provided with the linkage rod (81);
the top of the first guide rod (51) on the right side of the first sliding rod (82) is provided with the first sliding rod (82);
the first sliding sleeve (83), the first sliding rod (82) is connected with the first sliding sleeve (83) in a sliding mode, and one side of the first sliding sleeve (83) is connected with the linkage rod (81);
a square hole pipe (84), wherein one side of the first sliding sleeve (83) is provided with the square hole pipe (84);
the square hole pipe (84) is internally connected with the square rod (85) in a sliding manner;
the first wedge block (86) is arranged on one side of the square rod (85);
a second sliding rod (87) is arranged on one side of the first wedge-shaped block (86);
a second sliding sleeve (88) is arranged on one side of the square hole pipe (84), and the second sliding sleeve (88) is connected with a second sliding rod (87) in a sliding manner;
a second spring (89), wherein the second spring (89) is connected between one side of the second sliding sleeve (88) and the first wedge-shaped block (86);
the third sliding sleeve (810), the rotating frame (61) is evenly provided with the third sliding sleeve (810);
a third sliding rod (812), wherein both sides of the third sliding sleeve (810) are connected with the third sliding rod (812) in a sliding way;
the second wedge-shaped blocks (813) are arranged between the lower parts of the third sliding rods (812) on the same side;
the damping rings (811) are connected to the upper parts of the third sliding rods (812) in a sliding manner, and the bottoms of the damping rings (811) are connected with the top of the third sliding sleeve (810);
the upper parts of the support brackets (814) and the third sliding rods (812) are connected with the support brackets (814).
3. The random impact intelligent test equipment for the safety helmet as recited in claim 2, further comprising a locking mechanism (9), wherein the locking mechanism (9) comprises:
the connecting frames (91) are arranged on the two sides of the top of the guide plate (52);
and a second gear ring (92) is connected between the connecting frames (91), and the second gear ring (92) is connected with the second rack bar (58) in a sliding manner.
4. The random collision intelligent test equipment for the safety helmet according to claim 3, further comprising a limiting mechanism (10), wherein the limiting mechanism (10) comprises:
one side of the placing disc (710) is connected with the rotating shaft (101);
the rotating ring (102) is connected to the rotating shaft (101) in a rotating mode;
the stop lever (103) is connected to the rotating ring (102);
the rubber block (104) is arranged on one side of the bottom of the placing disc (710);
a clockwork spring (105), and the clockwork spring (105) is connected between the rotating ring (102) and the rotating shaft (101).
5. The intelligent random impact testing apparatus for safety helmets according to claim 4, further comprising:
the orientation rod (11) is arranged on one side of the guide pipe (711).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110153104.6A CN112577692B (en) | 2021-02-04 | 2021-02-04 | Intelligent random collision test equipment for safety helmet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110153104.6A CN112577692B (en) | 2021-02-04 | 2021-02-04 | Intelligent random collision test equipment for safety helmet |
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| CN112577692A CN112577692A (en) | 2021-03-30 |
| CN112577692B true CN112577692B (en) | 2021-09-03 |
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| CN202110153104.6A Active CN112577692B (en) | 2021-02-04 | 2021-02-04 | Intelligent random collision test equipment for safety helmet |
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| CN117705398B (en) * | 2024-02-04 | 2024-04-30 | 广东德鑫体育产业有限公司 | Intelligent helmet collision performance test equipment |
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