CN114397081A - Simulation impact test device - Google Patents

Simulation impact test device Download PDF

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Publication number
CN114397081A
CN114397081A CN202111599629.9A CN202111599629A CN114397081A CN 114397081 A CN114397081 A CN 114397081A CN 202111599629 A CN202111599629 A CN 202111599629A CN 114397081 A CN114397081 A CN 114397081A
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CN
China
Prior art keywords
impact
base
piece
lever arm
lever
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111599629.9A
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Chinese (zh)
Inventor
宋家锋
许述财
黄彬兵
殷绩伟
李少鹏
张洋洋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Automotive Research Institute of Tsinghua University
Original Assignee
Suzhou Automotive Research Institute of Tsinghua University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suzhou Automotive Research Institute of Tsinghua University filed Critical Suzhou Automotive Research Institute of Tsinghua University
Priority to CN202111599629.9A priority Critical patent/CN114397081A/en
Publication of CN114397081A publication Critical patent/CN114397081A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M7/00Vibration-testing of structures; Shock-testing of structures
    • G01M7/08Shock-testing
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/30Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
    • G01N3/313Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated by explosives

Abstract

The invention belongs to the technical field of impact tests and discloses a simulated impact test device.A simulation piece is used for simulating a human body part, the simulated impact test device comprises a test bench, an impact mechanism and a lever mechanism, and the test bench comprises an impact base; the impact mechanism is arranged on the impact base and comprises an impact piece; the lever mechanism comprises a lever arm and an impact transfer plate, the lever arm is rotatably connected to the impact base, the impact piece is located at one end of the lever arm, the impact transfer plate is located at the other end of the lever arm, the simulation piece is located on the impact transfer plate, and the impact piece can move downwards along the direction perpendicular to the impact base to abut against one end of the lever arm, so that the impact transfer plate and the simulation piece are subjected to an upward acting force along the direction perpendicular to the impact base. The simulated impact test device provided by the invention utilizes the lever principle, tests for multiple times to simulate vertical impact, observes the damage of a simulation piece, and determines the damage of the impact force to a human body.

Description

Simulation impact test device
Technical Field
The invention relates to the technical field of impact tests, in particular to a simulation impact test device.
Background
Mines and improvised explosive devices have become a major threat to motor vehicles. With the increasing number of simple explosive devices, human body injury under the action of vertical load has become a general injury phenomenon in the current military conflict. The landmine or the simple explosion device is generally hidden underground, so if the landmine or the simple explosion device explodes, the impact force of the landmine or the simple explosion device is mainly transmitted from the bottom of a vehicle, and the damage to the legs or the neck of a person is extremely large, and if the person is not protected, the inestimable result is caused. Current simulation impact test device, from simulation impact test device's top applyed load, load is acted on the simulation piece along vertical direction downwards to the damage after the vertical impact that human body received in the simulation test vehicle, but load is acted on the simulation piece along vertical direction downwards, and experimental result is inaccurate, and from the top applyed load moreover, cause the secondary damage of simulation piece easily, further influence experimental accuracy
Disclosure of Invention
The invention aims to provide a simulation impact test device which simulates damage of a human body in a vehicle after vertical impact.
In order to achieve the purpose, the invention adopts the following technical scheme:
a simulated impact testing apparatus, the simulation being for simulating a human body part, the simulated impact testing apparatus comprising:
a test rig comprising an impact base;
the impact mechanism is arranged on the impact base and comprises an impact piece;
lever mechanism, including lever arm and impact transfer plate, the lever arm rotate connect in strike the base, the impact piece is located the one end of lever arm, impact transfer plate is located the other end of lever arm, the simulation piece is located strike on the transfer plate, the impact piece can be followed the perpendicular to strike the direction of base move down the butt in the one end of lever arm, so that strike the transfer plate with the simulation piece receives along the perpendicular to strike the ascending effort in direction of base.
Preferably, the impact mechanism further comprises a first slide rail arranged on the impact base, and the impact piece can slide along the first slide rail and abut against one end of the lever arm.
Preferably, the impact member includes:
the sliding piece is in sliding fit with the first sliding rail and comprises a first sliding block and a second sliding block positioned above the first sliding block, and the first sliding block can abut against one end of the lever arm;
and the load member is connected to the second sliding block, and the weight of the load member is adjustable.
Preferably, the lever mechanism further comprises a connecting assembly, wherein the connecting assembly comprises a connecting seat and a connecting piece, the connecting seat is connected to the impact base, and the connecting seat is rotatably connected to the lever arm through the connecting piece.
Preferably, the connecting position of the lever arm and the connecting seat is adjustable, and the connecting position of the connecting seat and the impact base is adjustable.
Preferably, the lever mechanism further includes a first limiting member disposed on the impact base, one end of the lever arm can abut against the first limiting member, and the first limiting member is used to protect the impact base.
Preferably, the test bench further comprises a hoisting assembly, the hoisting assembly is connected to the impact base and arranged above the impact base, and the hoisting assembly is used for hoisting the impact piece.
Preferably, the hoisting assembly comprises:
a first hoist motor located above the impact base;
and one end of the first lifting rope is connected to the output end of the first lifting motor, and the other end of the first lifting rope is connected to the impact piece.
Preferably, the simulated impact test device further comprises an impact loading mechanism, and the impact loading mechanism comprises:
the second sliding rail is arranged on the impact base;
the connecting sliding block is in sliding fit with the second sliding rail;
the connecting arm is connected to the connecting sliding block, and the simulation piece is connected to the connecting arm;
and the second lifting rope is connected to the connecting sliding block and used for lifting the connecting sliding block.
Preferably, the impact load mechanism further comprises a damping adjuster, and the connecting arm is rotatably connected to the simulation member through the damping adjuster.
The invention has the beneficial effects that:
the simulation impact test device provided by the invention simulates a human body part by using the simulation piece, the middle part of the lever arm is rotatably connected with the impact base, the impact piece moves downwards along the direction vertical to the impact base and abuts against one end of the lever arm, the end is stressed to move downwards, the other end of the lever arm moves upwards and abuts against the impact transfer plate, so that the impact transfer plate and the simulation piece are subjected to an upward acting force along the direction vertical to the impact base, and the damage of a human body in a vehicle after vertical impact is simulated. The simulated impact test device provided by the invention utilizes the lever principle, tests for multiple times to simulate vertical impact, observes the damage of a simulation piece and determines the damage of the impact force to a human body.
Drawings
FIG. 1 is a schematic structural diagram of a simulated impact testing apparatus provided with a first simulated assembly according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a second simulation assembly disposed on the simulated impact testing apparatus according to the embodiment of the present invention.
In the figure:
100. a first simulation member; 101. a lower leg member; 102. an ankle member;
200. a second simulation member; 201. a roof member; 202. a helmet member; 203. a neck member;
1. a test bench; 11. impacting the base; 12. a hoisting assembly; 121. a first lifting rope; 122. a box body; 13. a frame column; 14. a frame leg;
2. an impact mechanism; 21. an impact member; 211. a first slider; 212. a second slider; 213. a load member; 22. a first slide rail;
3. a lever mechanism; 31. a lever arm; 32. an impact transfer plate; 33. a connecting assembly; 331. a connecting seat; 332. a connecting member; 34. a first limit piece; 35. a second limiting member; 351. a mounting seat; 352. a support pillar; 353. a limiting column;
4. an impact load mechanism; 41. a second slide rail; 42. connecting the sliding block; 43. a connecting arm; 44. a second lifting rope; 45. a damping adjuster; 46. and a third lifting rope.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In embodiments of the invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or the first and second features being in contact, not directly, but via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the embodiments of the present invention, the terms "upper", "lower", "right", and the like are used in an orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The embodiment provides a simulated impact test device, as shown in fig. 1 and 2, a simulation piece is used for simulating a human body part, the simulated impact test device comprises a test bench 1, an impact mechanism 2 and a lever mechanism 3, the test bench 1 comprises an impact base 11; the impact mechanism 2 is arranged on the impact base 11, and the impact mechanism 2 comprises an impact piece 21; the lever mechanism 3 comprises a lever arm 31 and an impact transmission plate 32, the lever arm 31 is rotatably connected to the impact base 11, the impact member 21 is positioned at one end of the lever arm 31, the impact transmission plate 32 is positioned at the other end of the lever arm 31, the simulation member is positioned on the impact transmission plate 32, and the impact member 21 can move downwards along the direction vertical to the impact base 11 to abut against one end of the lever arm 31, so that the impact transmission plate 32 and the simulation member are acted on by upward force along the direction vertical to the impact base 11.
The simulated impact test device provided by the embodiment simulates a human body part by using a simulation piece, the middle part of the lever arm 31 is rotatably connected to the impact base 11, the impact piece 21 moves downwards along the direction perpendicular to the impact base 11 and abuts against one end of the lever arm 31, the end is stressed to move downwards (as shown in fig. 1), the other end of the lever arm 31 moves upwards (as shown in fig. 1) and abuts against the impact transfer plate 32, so that the impact transfer plate 32 and the simulation piece are subjected to an upward acting force along the direction perpendicular to the impact base 11, and damage of a human body in a vehicle after vertical impact is simulated. The simulation impact test device that this embodiment provided utilizes lever principle, and the vertical impact of many times test simulation observes the damage of simulation piece, confirms the damage of the size of impact force to the human body.
Further, as shown in fig. 1 and 2, the impact mechanism 2 further includes a first slide rail 22 disposed on the impact base 11, the impact member 21 can slide along the first slide rail 22 and abut against one end of the lever arm 31, the first slide rail 22 is disposed to provide a guide for the impact member 21, so that the impact member 21 can move along the track direction of the first slide rail 22, and the impact member 21 can abut against one end of the lever arm 31.
Specifically, as shown in fig. 1 and 2, the impact member 21 includes a sliding member and a load member 213, the sliding member is slidably engaged with the first slide rail 22, the sliding member includes a first slider 211 and a second slider 212 located above (above as shown in fig. 1) the first slider 211, the first slider 211 is a T-shaped structure, the first slider 211 has a tip, and the tip can abut against one end of the lever arm 31; the second slider 212 is a T-shaped structure, the lower end surface of the second slider 212 can abut against the upper end surface of the first slider 211, the load piece 213 can be detachably connected to the side wall of the second slider 212, and the weight of the load piece 213 can be adjusted, so that the weight of the load piece 213 can be adjusted according to actual test requirements, the impact force can be adjusted, and the test range is enlarged. When it is necessary to increase or decrease the impact force, the load members 213 of different weights are mounted on the second slider 212, thereby adjusting the impact force. In other embodiments, the first slider 211 and the second slider 212 may be configured in any shape as long as they can abut against one end of the lever arm 31.
Further, as shown in fig. 1 and 2, the test bench 1 further includes a hoisting assembly 12, the hoisting assembly 12 is connected to the impact base 11 and disposed above the impact base 11, and the hoisting assembly 12 is used for hoisting the impact member 21. The hoisting assembly 12 is arranged to hoist the impact member 21 to a certain height, and then release the impact member 21 to slide along the first slide rail 22 and abut against one end of the lever arm 31.
Specifically, as shown in fig. 1 and 2, the hoisting assembly 12 includes a first hoisting motor, a first hoisting rope 121 and a box 122, the box 122 is disposed above the impact base 11 and connected to the impact base 11 through the frame upright 13, and the first hoisting motor is disposed above the impact base 11 and inside the box 122; one end of the first lifting rope 121 is connected to the output end of the first lifting motor, the other end of the first lifting rope passes through the box body 122 and is connected to the first sliding block 211 of the impact piece 21, when a test needs to be conducted, the first lifting motor is started, the first lifting rope 121 retracts to lift the impact piece 21, when the impact piece 21 is lifted to a proper height, the first lifting motor stops working, and the impact piece 21 slides along the first sliding rail 22. The first lifting rope 121 is arranged, and the initial descending height of the impact piece 21 is adjusted to meet different test impulse requirements.
Specifically, a controller and an electromagnetic relay electrically connected with the controller are further disposed in the box 122, the first hoisting motor is electrically connected with the controller, and the controller is used for controlling starting and stopping of the first hoisting motor. In the test, the striker 21 was released from a predetermined height using an electromagnetic relay.
Specifically, as shown in fig. 1 and 2, the test stage 1 further includes a rack foot 14 provided on a lower end surface of the impact base 11, and the rack foot 14 supports the impact base 11. In other embodiments, the stand feet 14 may be replaced with pulleys to facilitate movement of the analog impact testing apparatus, for example, to maintain the test termination status during testing, and to move to a medical scanning station for scanning analysis.
Further, as shown in fig. 1 and 2, the lever mechanism 3 further includes a connecting assembly 33, the connecting assembly 33 includes a connecting base 331 and a connecting member 332, the connecting base 331 is connected to the impact base 11, and the connecting base 331 is rotatably connected to the lever arm 31 through the connecting member 332. Specifically, the lever arm 31 is partially disposed inside the connecting seat 331, the connecting member 332 is a pin, a first mounting hole is formed in the connecting seat 331, a second mounting hole is formed in the lever arm 31, and the pin penetrates through the connecting seat 331 and the lever arm 31 to realize the rotational connection between the connecting seat 331 and the lever arm 31. Be provided with the third mounting hole on connecting seat 331, be provided with the fourth mounting hole on strikeing base 11, the screw passes third mounting hole and fourth mounting hole in proper order, realizes connecting seat 331 and strikeing the dismantled connection of base 11.
Specifically, as shown in fig. 1 and 2, the coupling position of the lever arm 31 and the coupling seat 331 is adjustable, and the coupling position of the coupling seat 331 and the striking base 11 is adjustable. The lever arm 31 is provided with a plurality of second mounting holes, and the connecting member 332 can selectively penetrate through one of the second mounting holes so as to rotatably connect the connecting seat 331 and the lever arm 31, and the connecting positions of the lever arm 31 and the connecting seat 331 are adjusted according to test requirements. A plurality of fourth mounting holes are formed in the impact base 11, and a screw can selectively pass through one of the fourth mounting holes, so that the connecting seat 331 and the impact base 11 can be detachably connected, the plurality of fourth mounting holes are formed, and the connecting position of the connecting seat 331 and the impact base 11 can be adjusted according to test requirements.
Specifically, as shown in fig. 1 and fig. 2, the lever mechanism 3 further includes a first limiting member 34, the first limiting member 34 is disposed on the impact base 11, a lower end surface of one end of the lever arm 31 can abut against the first limiting member 34, and the first limiting member 34 is used to protect the impact base 11 from being damaged. In the present embodiment, the first limiting member 34 includes a large circular truncated cone and a small circular truncated cone disposed above the large circular truncated cone (above as shown in fig. 1), and the lower end surface of one end of the lever arm 31 can abut against the small circular truncated cone, so that the lower end surface of one end of the lever arm 31 is prevented from abutting against the impact base 11, which causes damage to the impact base 11.
Specifically, as shown in fig. 1 and 2, the lever mechanism 3 further includes a second limiting member 35, the second limiting member 35 includes a mounting seat 351 provided on the impact base 11, a supporting column 352 provided on the mounting seat 351, and a limiting column 353 provided on the mounting seat 351, the impact transmission plate 32 is located above the supporting column 352, the supporting column 352 is used for supporting the impact transmission plate 32, and the other end of the lever arm 31 is provided below (below as shown in fig. 1) the impact transmission plate 32, so that a force in a direction perpendicular to the impact base 11 can be provided to the impact transmission plate 32. The support columns 352 are provided with two support columns 353, the limiting columns 353 are arranged between the two support columns 352, and accommodating grooves are formed in the limiting columns 353 and can partially accommodate the other ends of the lever arms 31.
Further, as shown in fig. 1 and fig. 2, the simulated impact test device further includes an impact load receiving mechanism 4, the impact load receiving mechanism 4 includes a second slide rail 41, a connecting slider 42, a connecting arm 43 and a second lifting rope 44, the second slide rail 41 is disposed on the impact base 11, and the other end of the second slide rail 41 is connected to the box 122 of the hoisting assembly 12; the connecting slide block 42 is in sliding fit with the second slide rail 41; the connecting arm 43 is connected to the connecting slider 42, and the dummy member is connected to the connecting arm 43; the second hoist rope 44 is connected to the connection block 42, and the second hoist rope 44 is used to hoist the connection block 42. Specifically, in this embodiment, the impact load receiving mechanism 4 further includes a second hoisting motor disposed in the box 122, one end of the second hoisting rope 44 is connected to the output end of the second hoisting motor, the other end of the second hoisting rope passes through the box 122 and is connected to the connecting slider 42, so as to connect the simulation piece to the connecting arm 43, and the second hoisting rope 44 can hoist the connecting slider 42, so as to adjust the height of the simulation piece in the direction perpendicular to the impact base 11. In other embodiments, only one hoist motor may be disposed in the box 122 to tighten or loosen the first hoist rope 121 and the second hoist rope 44.
In this embodiment, as shown in fig. 1, the simulation member includes a first simulation member 100, the first simulation member 100 includes a lower leg member 101 and an ankle member 102 connected to the lower leg member 101, and the first simulation member 100 is used to simulate the lower leg and the ankle of a human body.
Specifically, as shown in fig. 1, the impact load mechanism 4 further includes a damper adjuster 45, and the connecting arm 43 is rotatably connected to the lower leg member 101 of the first dummy member 100 via the damper adjuster 45. The damping regulator 45 is internally provided with a variable elastic coefficient spring, and the tension degree of the lower limb muscles of a human body in different mental states can be simulated by regulating the pretightening force, so that the test working conditions are enriched. In other embodiments, different sensors may be positioned on the ankle member 102 of the lower leg member 101 to obtain the force response parameters such as acceleration, strain, etc. during impact. For example, an acceleration sensor and/or a strain sensor may be installed. It should be noted that, when the strain sensor needs to be installed, the first dummy member 100 should be made of a silicone material.
It should be noted that, for the sensors required for the test, sensing test components such as an acceleration sensor, a strain sensor, an optical calibration plate, etc. may be selected, and connected to different human body parts according to the test requirements, without being affected by the test system. For lower limb impact testing, acceleration sensors, strain sensors, acoustic emission sensors and optical calibration plates may be mounted to the calcaneus and tibia. The force sensor may be mounted to the lever impact end. For impact testing of the head and neck assembly, the sensors may be mounted on the vertebrae and the force sensors may be attached to the top of the fixture simulating the roof and the lower end of the neck. In addition, the calibration of the speed and the analysis and the recording of the motion process can be carried out from different angles through high-speed shooting.
More specifically, as shown in fig. 1, the impact load receiving mechanism 4 further includes a third lifting rope 46, one end of the third lifting rope 46 is connected to the connecting arm 43, the other end of the third lifting rope 46 is connected to the connecting slider 42, the third lifting rope 46 is provided, the connecting arm 43 is used for simulating a thigh structure of a human body, the connecting arm 43 can rotate up and down along the second slide rail 41, and different lower limb placing postures (vertical, forward-extending and backward-bending) can be realized by adjusting different included angles, so as to simulate the impact damage characteristic of the human body under different riding conditions.
As shown in fig. 1, the lower leg part 101 is pivotally connected to the connecting arm 43, one end of the ankle part 102 is pivotally connected to the lower leg part 101, and the other end is placed on the impact transmission plate 32, so that when the impact member 21 moves downward (downward as shown in fig. 1) along the first slide rail 22, the impact transmission plate 32 and the first dummy part 100 are subjected to an upward impact force, thereby measuring the damage to the lower limbs of the human body and the protection performance of the protection structure.
In the present embodiment, a second simulation member 200 is further provided, as shown in fig. 2, the second simulation member 200 includes a roof member 201, a helmet member 202 and a neck member 203, the roof member 201 is used for simulating the roof of the vehicle, wherein the roof member 201 is rotatably connected to the connecting arm 43 to simulate different roof structures, the helmet member 202 and the neck member 203 are used for simulating the head and neck with helmet of the human body in the vehicle, it should be noted that, in the present embodiment, the first simulation member 100 and the second simulation member 200 only show the state diagrams of the lower leg and ankle, the roof, the helmet and the neck, and in the actual test, the silicone member with multiple degrees of freedom can be selected to simulate the human body part. It should be noted that the roof of a common household vehicle is arc-shaped, i.e. close to a plane, while for special vehicles such as military vehicles, the roof structure of the vehicle has roof structures with different forms such as a horizontal plane, an inclined plane, an arc-shaped plane, etc., and a proper roof part 201 is selected according to actual test requirements.
As shown in fig. 2, the roof member 201 is pivotally connected to the connecting arm 43, the neck member 203 is fixedly disposed on the impact transmission plate 32, the helmet member 202 is disposed above the neck member 203 (above as shown in fig. 2), and when the impact member 21 moves downward along the first slide rail 22 (below as shown in fig. 2), the impact transmission plate 32 and the second dummy member 200 are subjected to an upward impact force, so as to measure the damage to the head and neck of the human body and the protection performance of the protection structure. It should be noted that the damping adjuster 45 is not required to be used to rotationally connect the roof member 201 and the connecting arm 43, and the roof member 201 and the connecting arm 43 can be rotationally connected only by using a conventional pin or a conventional rotating shaft.
It is understood that protective structures such as protective helmets, impact resistant cushioned military boots, and the like are protective equipment.
Note that, when the test lower limbs are simulated by the first simulator 100, the feet and the impact transmission plate 32 are in free contact (because the feet are freely placed on the vehicle floor when a person rides the vehicle); when the second simulation piece 200 is used to simulate the neck injury, the neck is fixedly connected with the impact transmission plate 32, and the two are used as a whole to simulate the upper half of the human body.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. The utility model provides a simulation impact test device, simulation piece are used for simulating human body position, its characterized in that includes:
a test bench (1) comprising an impact base (11);
the impact mechanism (2) is arranged on the impact base (11), and the impact mechanism (2) comprises an impact piece (21);
lever mechanism (3), including lever arm (31) and impact transfer plate (32), lever arm (31) rotate connect in strike base (11), impact piece (21) are located the one end of lever arm (31), impact transfer plate (32) are located the other end of lever arm (31), the analog piece is located on impact transfer plate (32), impact piece (21) can be followed the perpendicular to strike base (11) the direction move down the butt in the one end of lever arm (31), so that strike transfer plate (32) with the analog piece receives along the perpendicular to the ascending effort in the direction of striking base (11).
2. The device for simulating impact test according to claim 1, wherein the impact mechanism (2) further comprises a first slide rail (22) disposed on the impact base (11), and the impact member (21) can slide along the first slide rail (22) and abut against one end of the lever arm (31).
3. A simulated impact testing device according to claim 2, characterised in that said impact member (21) comprises:
the sliding piece is in sliding fit with the first sliding rail (22) and comprises a first sliding block (211) and a second sliding block (212) positioned above the first sliding block (211), and the first sliding block (211) can abut against one end of the lever arm (31);
a load member (213), the load member (213) being connected to the second slider (212), the weight of the load member (213) being adjustable.
4. The device for simulating impact test according to claim 1, wherein the lever mechanism (3) further comprises a connecting assembly (33), the connecting assembly (33) comprises a connecting base (331) and a connecting piece (332), the connecting base (331) is connected to the impact base (11), and the connecting base (331) is rotatably connected to the lever arm (31) through the connecting piece (332).
5. A device according to claim 4, wherein the connection position of the lever arm (31) and the connection seat (331) is adjustable, and the connection position of the connection seat (331) and the impact base (11) is adjustable.
6. The device for simulating impact test according to claim 1, wherein the lever mechanism (3) further includes a first limiting member (34), the first limiting member (34) is disposed on the impact base (11), one end of the lever arm (31) can abut against the first limiting member (34), and the first limiting member (34) is used for protecting the impact base (11).
7. The simulated impact test device according to claim 1, wherein the test bench (1) further comprises a hoisting assembly (12), the hoisting assembly (12) is connected to the impact base (11) and arranged above the impact base (11), and the hoisting assembly (12) is used for hoisting the impact member (21).
8. The simulated impact testing apparatus of claim 7 wherein said lifting assembly (12) comprises:
a first hoisting motor located above the impact base (11);
and one end of the first lifting rope (121) is connected to the output end of the first lifting motor, and the other end of the first lifting rope (121) is connected to the impact piece (21).
9. A simulated impact testing device according to claim 1, further comprising an impact loading mechanism (4), said impact loading mechanism (4) comprising:
a second slide rail (41) arranged on the impact base (11);
the connecting sliding block (42), the connecting sliding block (42) is in sliding fit with the second sliding rail (41);
a connecting arm (43), said connecting arm (43) being connected to said connecting slider (42), said dummy being connected to said connecting arm (43);
a second lifting rope (44), wherein the second lifting rope (44) is connected to the connecting slide block (42), and the second lifting rope (44) is used for lifting the connecting slide block (42).
10. A device according to claim 9, characterised in that the impact-loaded mechanism (4) further comprises a damping adjuster (45), the connecting arm (43) being pivotally connected to the dummy via the damping adjuster (45).
CN202111599629.9A 2021-12-24 2021-12-24 Simulation impact test device Pending CN114397081A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111599629.9A CN114397081A (en) 2021-12-24 2021-12-24 Simulation impact test device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111599629.9A CN114397081A (en) 2021-12-24 2021-12-24 Simulation impact test device

Publications (1)

Publication Number Publication Date
CN114397081A true CN114397081A (en) 2022-04-26

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111599629.9A Pending CN114397081A (en) 2021-12-24 2021-12-24 Simulation impact test device

Country Status (1)

Country Link
CN (1) CN114397081A (en)

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