Chest rib ballistic blunt test platform

Abstract

The invention discloses a chest rib ballistic blunt test platform, and belongs to the technical field of ballistic blunt experiments, the chest rib ballistic blunt test platform comprises a first substrate, a first fixing piece, a second fixing piece and a percussion piece, the first fixing piece is connected with the first substrate and is used for fixing one end of a to-be-tested piece; the second fixing piece is connected with the first substrate and used for fixing the other end of the to-be-tested piece, and the second fixing piece can move relative to the first substrate on the straight line where the two fixed ends of the to-be-tested piece are located; the percussion piece is connected with the first substrate and arranged on the side, away from the first fixing piece, of the second fixing piece, and meanwhile the percussion piece can move relative to the first substrate on the straight line where the two fixed ends of the piece to be tested are located so that the second fixing piece can be pushed to move towards the first fixing piece, impact force can be applied to the piece to be tested, and the blunt strike experiment can be completed.

Description

Technical Field

[0001] The present application belongs to the technical field of ballistic blunt impact experiments, and specifically relates to a chest rib ballistic blunt impact test platform. Background Art

[0002] Although there have been many studies and medical cases on the chest under ballistic blunt impact in recent years, the impact load and degree of damage to the chest ribs under blunt impact tests are still unclear, and it is necessary to conduct impact tests on the ribs separately to study the damage characteristics. At present, there is still a lack of test equipment that can directly assess the damage by impacting the chest with a bullet. At the same time, the traditional chest blunt impact test mainly uses a human model made of gelatin. The production process of this model is complicated, and a model needs to be dried for many days before it can be used for testing. It cannot accurately simulate the impact of a bullet on the human chest on the rib cage. Therefore, the test conditions are harsh and the test data has large errors. Summary of the invention

[0003] Purpose of the invention: This application develops a chest and rib ballistic blunt impact test platform, aiming to solve the technical problem that there is still a lack of test equipment for evaluating the damage caused by bullet impact on the chest in the prior art.

[0004] Technical solution: This application provides a chest rib ballistic blunt impact test platform, including:

[0005] A first substrate, wherein the first substrate has a first direction, a second direction and a third direction intersecting each other, and the first substrate is extended along a plane formed by the first direction and the second direction;

[0006] A first fixing member, the first fixing member is connected to the first substrate, and along the first direction, the first fixing member is used to fix one end of the device under test;

[0007] A second fixing member, along the third direction, the second fixing member is arranged on a side of the first substrate close to the first fixing member; the second fixing member is connected to the first substrate, the second fixing member can move relative to the first substrate along the first direction, and the second fixing member and the first fixing member are arranged opposite to each other to fix the other end of the DUT along the first direction;

[0008] A firing member, along the third direction, the firing member is arranged on a side of the first substrate close to the first fixing member; the firing member is connected to the first substrate, and can move relative to the first substrate along the first direction, and the firing member and the second fixing member are arranged opposite to each other and are located on a side of the second fixing member away from the first fixing member; the firing member is used to drive the second fixing member to move along the first direction.

[0009] In some embodiments, an acceleration sensor is further included, wherein the acceleration sensor is connected to the second fixing member and the acceleration sensor is extended along the first direction.

[0010] In some embodiments, it also includes:

[0011] A displacement sensor, the displacement sensor is connected to the first substrate, and the displacement sensor is extended along the first direction;

[0012] A trigger member, the trigger member is connected to the second fixing member; along the first direction, the detection terminal of the displacement sensor at least partially overlaps with the orthographic projection of the trigger member, and the detection terminal of the displacement sensor is at least partially arranged in the movement stroke of the trigger member.

[0013] In some embodiments, the first fixing member comprises:

[0014] A first support plate, the first support plate extending along a plane formed by the second direction and the third direction;

[0015] A first locking member, the first locking member is connected to the first supporting plate and is arranged on a side of the first supporting plate close to the second fixing member; the first locking member includes a first supporting plate and a plurality of first clamping plates; along the second direction, two adjacent first clamping plates are arranged at intervals; the first supporting plate is extended along a plane formed by the first direction and the second direction, and is connected to two adjacent first clamping plates;

[0016] A pressure sensor is connected to the first support plate, the pressure sensor is extended along the first direction, and the detection end of the pressure sensor is toward the second fixing member; along the second direction, the pressure sensor is arranged between two adjacent first clamping plates; along the third direction, at least part of the pressure sensor is projected on the first support plate.

[0017] In some embodiments, the first fixing member further comprises a first fastening gasket, and along the first direction, the first fastening gasket is disposed between the first locking member and the first supporting plate to connect the first locking member and the first supporting plate;

[0018] The first fastening gasket has a first groove, the opening of the first groove faces the first supporting plate, a first through hole is formed at the bottom of the first groove, and the pressure sensor is disposed through the first through hole.

[0019] In some embodiments, the first fixing member further comprises:

[0020] A cushion block, the cushion block is connected to the first support plate and is arranged on a side of the first support plate away from the first locking member; a plurality of the cushion blocks are arranged at intervals along the second direction;

[0021] The second support plate is extended along a plane formed by the second direction and the third direction; the second support plate is connected to the cushion block and is arranged on a side of the cushion block away from the first support plate.

[0022] In some embodiments, the first fixing member further comprises:

[0023] a third support plate, the third support plate extending along a plane formed by the second direction and the third direction; the third support plate is connected to the second support plate and is disposed on a side of the second support plate away from the cushion block;

[0024] The second substrate is extended along a plane formed by the first direction and the second direction; along the third direction, one end of the second substrate is connected to the first substrate, and the other end of the second substrate is connected to the third supporting plate.

[0025] In some embodiments, the chest rib ballistic blunt impact test platform further includes a guide rail, the guide rail is extended along the first direction, and the guide rail is connected to the first substrate;

[0026] The second fixing member comprises:

[0027] A sliding seat, the sliding seat being slidably connected to the guide rail;

[0028] a third substrate connected to the sliding seat;

[0029] a fourth support plate, the fourth support plate extending along a plane formed by the second direction and the third direction, the fourth support plate being connected to the third substrate;

[0030] A second locking member, the second locking member is connected to the fourth supporting plate, and along the first direction, the second locking member is arranged on a side of the fourth supporting plate close to the first fixing member; the second locking member includes a second supporting plate and a plurality of second clamping plates; along the second direction, two adjacent second clamping plates are arranged at intervals; the second supporting plate is extended along the plane formed by the first direction and the second direction, and is connected to two adjacent second clamping plates.

[0031] In some embodiments, the second fixing member further comprises a second fastening gasket, and along the first direction, the second fastening gasket is disposed between the second locking member and the fourth supporting plate to connect the second locking member and the fourth supporting plate;

[0032] The second fastening gasket has a second groove, and the opening of the second groove faces the fourth supporting plate.

[0033] In some embodiments, the chest rib ballistic blunt impact test platform further comprises:

[0034] A guide seat, the guide seat is connected to the first substrate, and the firing member is slidably connected to the guide seat;

[0035] a first clamping plate, the first clamping plate extending along a plane formed by the second direction and the third direction; along the first direction, the first clamping plate is arranged on a side of the firing member away from the second fixing member;

[0036] The second clamping plate is extended along the plane formed by the second direction and the third direction, the second clamping plate is connected to the first clamping plate, and is arranged on the side of the first clamping plate away from the firing member, and the second clamping plate and the first clamping plate are enclosed to form a clamping groove.

[0037] An impact device, the impact device includes a bracket, a swing rod and an impact hammer, one end of the swing rod is rotatably connected to the bracket, the other end of the swing rod is connected to the impact hammer, and the orthographic projection of the impact hammer when moving in the first direction at least partially overlaps with the orthographic projection of the firing member in the first direction, so as to push the firing member to drive the second fixing member to move along the first direction.

[0038] Beneficial effect: Compared with the prior art, a chest rib ballistic blunt impact test platform provided by an embodiment of the present application includes a first substrate, a first fixing member, a second fixing member and a firing member, wherein the first fixing member is connected to the first substrate and is used to fix one end of the piece to be tested; the second fixing member is connected to the first substrate and is used to fix the other end of the piece to be tested, and the second fixing member can move relative to the first substrate on a straight line where the two fixed ends of the piece to be tested are located; the firing member is connected to the first substrate and is arranged on a side of the second fixing member away from the first fixing member, and at the same time, the firing member can move relative to the first substrate on a straight line where the two fixed ends of the piece to be tested are located, so as to push the second fixing member to move toward the first fixing member, so as to apply impact force to the piece to be tested and complete the blunt impact experiment. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without creative work.

[0040] Figure 1 A three-dimensional diagram of a chest rib ballistic blunt impact test platform provided in an embodiment of the present application;

[0041] Figure 2 A three-dimensional diagram of a first base plate, a first clamping plate, and a second clamping plate in a chest rib ballistic blunt impact test platform provided in an embodiment of the present application;

[0042] Figure 3 An exploded view of a first fixing member in a chest rib ballistic blunt impact test platform provided in an embodiment of the present application;

[0043] Figure 4 A three-dimensional diagram of a second fixing member in a chest rib ballistic blunt impact test platform provided in an embodiment of the present application;

[0044] Figure numerals: 10, first substrate; 20, first fixing member; 21, first supporting plate; 22, first locking member; 221, first supporting plate; 222, first clamping plate; 223, first connecting plate; 2231, second through hole; 23, pressure sensor; 24, first fastening gasket; 241, first groove; 242, first through hole; 25, pad; 26, second supporting plate; 27, third supporting plate; 28, second substrate; 30, second fixing member; 31, sliding seat; 32, third substrate; 33, fourth supporting plate ; 35. second locking member; 351. second supporting plate; 352. second clamping plate; 353. second connecting plate; 36. second fastening gasket; 361. second groove; 40. firing member; 50. acceleration sensor; 60. displacement sensor; 70. trigger member; 80. guide rail; 90. guide seat; 100. first clamping plate; 1010. second clamping plate; 1020. impact device; 1021. bracket; 1022. swing rod; 1023. impact hammer; X, first direction; Y, second direction; Z, third direction. DETAILED DESCRIPTION

[0045] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present application.

[0046] Although there have been many studies and medical cases on the chest under ballistic blunt impact in recent years, the impact load and degree of damage to the chest ribs under blunt impact tests are still unclear, and it is necessary to conduct impact tests on the ribs separately to study the damage characteristics. At present, there is still a lack of test equipment that can directly assess the damage by impacting the chest with a bullet. At the same time, the traditional chest blunt impact test mainly uses a human model made of gelatin. The production process of this model is complicated, and a model needs to be dried for many days before it can be used for testing. It cannot accurately simulate the impact of a bullet on the human chest on the rib cage. Therefore, this test condition is harsh and the test data has large errors. There is an urgent need for a more practical and effective test system to replace the traditional solution.

[0047] In view of this, an embodiment of the present application provides a chest rib ballistic blunt impact test platform, including a first substrate 10, a first fixing member 20, a second fixing member 30 and a firing member 40, wherein the first fixing member 20 is connected to the first substrate 10, and is used to fix one end of the test piece; the second fixing member 30 is connected to the first substrate 10, and is used to fix the other end of the test piece, and the second fixing member 30 can move relative to the first substrate 10 on a straight line where the two fixed ends of the test piece are located; the firing member 40 is connected to the first substrate 10, and is arranged on a side of the second fixing member 30 away from the first fixing member 20, and at the same time, the firing member 40 can move relative to the first substrate 10 on a straight line where the two fixed ends of the test piece are located, so as to push the second fixing member 30 to move toward the first fixing member 20, so as to apply impact force to the test piece to complete the blunt impact experiment.

[0048] In some embodiments, see Figure 1 and Figure 2 , Figure 1 A three-dimensional diagram of a chest rib ballistic blunt impact test platform provided in an embodiment of the present application, Figure 2 A three-dimensional diagram of the first substrate 10, the first clamping plate 100 and the second clamping plate 1010 in the chest rib ballistic blunt impact test platform provided in the embodiment of the present application. The first substrate 10 in the chest rib ballistic blunt impact test platform provided in the embodiment of the present application has a first direction X, a second direction Y and a third direction Z that are intersectingly arranged, and the first substrate 10 is extended along the plane formed by the first direction X and the second direction Y. Specifically, the first direction X is the length direction of the first substrate 10, the second direction Y is the width direction of the first substrate 10, and the third direction Z is the thickness direction of the first substrate 10. The first substrate 10 is a rectangular plate body, a square plate body, etc. that are extended along the width direction and the length direction, and the first direction X, the second direction Y and the third direction Z are orthogonally arranged.

[0049] In some embodiments, see Figure 1 and Figure 3 , Figure 1A three-dimensional diagram of a chest rib ballistic blunt impact test platform provided in an embodiment of the present application, Figure 3 The first fixing member 20 in the chest rib ballistic blunt impact test platform provided in the embodiment of the present application is connected to the first substrate 10 along the first direction X, and the first fixing member 20 is used to fix one end of the test piece. Specifically, the first fixing member 20 includes a first supporting plate 21, a first locking member 22 and a pressure sensor 23. The first supporting plate 21 is extended along a plane formed by the second direction Y and the third direction Z, that is, it is arranged perpendicular to the first substrate 10, and is used to support and carry the first locking member 22 and the pressure sensor 23; the first locking member 22 is connected to the first supporting plate 21, and is arranged on a side of the first supporting plate 21 close to the second fixing member 30, and is used to lock and fix one end of the workpiece to be measured; further, the first locking member 22 includes a first supporting plate 221 and a plurality of first clamping plates 222, and along the second direction Y, two adjacent first clamping plates 222 are arranged at intervals. In the present application, the first clamping plate 222 is extended along a plane formed by the first direction X and the third direction Z, and two first clamping plates 222 are arranged along the second direction Y, and a waist circle is provided on each clamping plate. The holes are penetrated by bolts in the oval holes of the two first clamping plates 222. After the workpiece to be measured is placed, the bolts are tightened to tighten the two first clamping plates 222 to lock and fix the workpiece to be measured. The first supporting plate 221 is extended along the plane formed by the first direction X and the second direction Y, and is connected to the two adjacent first clamping plates 222 for supporting the workpiece to be measured. The pressure sensor 23 is connected to the first supporting plate 21, and the pressure sensor 23 is extended along the first direction X, and the detection end of the pressure sensor 23 faces the second fixing member 30, which is used to abut the workpiece to be measured and detect the pressure on the workpiece to be measured. Further, along the second direction Y, the pressure sensor 23 is arranged between the two adjacent first clamping plates 222. Along the third direction Z, at least part of the positive projection of the pressure sensor 23 is arranged on the supporting plate to ensure that the detection end of the pressure sensor 23 contacts the workpiece to be measured.

[0050] In some embodiments, see Figure 1 and Figure 3 , Figure 1 A three-dimensional diagram of a chest rib ballistic blunt impact test platform provided in an embodiment of the present application, Figure 3An exploded view of the first fixing member 20 in the chest rib ballistic blunt impact test platform provided in the embodiment of the present application. The first fixing member 20 in the chest rib ballistic blunt impact test platform provided in the embodiment of the present application also includes a first fastening gasket 24, which is arranged between the first locking member 22 and the first support plate 21 along the first direction X to connect the first locking member 22 and the first support plate 21; the first fastening gasket 24 has a first groove 241, the opening of the first groove 241 faces the first support plate 21, and a first through hole 242 is opened at the bottom of the first groove 241, and the pressure sensor 23 is penetrated by the first through hole 242. Further, the first locking member 22 further includes a first connecting plate 223, which is extended along the plane formed by the second direction Y and the third direction Z, that is, the first connecting plate 223, the first supporting plate 221 and the first clamping plate 222 are orthogonally arranged, and along the first direction X, the first connecting plate 223 is arranged on the side of the first locking member 22 close to the first fastening gasket 24, and the first connecting plate 223 is fixedly connected to the first fastening gasket 24 to achieve the connection between the first locking member 22 and the first fastening gasket 24. Further, the first connecting plate 223 has a second through hole 2231, which is coaxially arranged with the first through hole 242, and the pressure sensor 23 is penetrated by the second through hole 2231.

[0051] In some embodiments, see Figure 1 and Figure 3 , Figure 1 A three-dimensional diagram of a chest rib ballistic blunt impact test platform provided in an embodiment of the present application, Figure 3 The exploded view of the first fixing member 20 in the chest rib ballistic blunt impact test platform provided in the embodiment of the present application. The first fixing member 20 in the chest rib ballistic blunt impact test platform provided in the embodiment of the present application also includes a pad 25 and a second support plate 26. The pad 25 is connected to the first support plate 21 and is arranged on the side of the first support plate 21 away from the first locking member 22; a plurality of pads 25 are arranged at intervals along the second direction Y, specifically, two pads 25 are arranged in parallel along the third direction Z, and two pads 25 are arranged on both sides of the first support plate 21 along the second direction Y; the second support plate 26 is extended along the plane formed by the second direction Y and the third direction Z; the second support plate 26 is connected to the pad 25 and is arranged on the side of the pad 25 away from the first support plate 21. It can be understood that after the first support plate 21 is subjected to force, the force is dispersed to the two pads 25, and the two pads 25 then transmit the force to the second support plate 26.

[0052] In some embodiments, see Figure 1 and Figure 3 , Figure 1 A three-dimensional diagram of a chest rib ballistic blunt impact test platform provided in an embodiment of the present application, Figure 3The exploded view of the first fixing member 20 provided in the embodiment of the present application. The first fixing member 20 in the chest rib ballistic blunt impact test platform provided in the embodiment of the present application also includes a third support plate 27, a second base plate 28 and a reinforcement plate. The third support plate 27 is extended along the plane formed by the second direction Y and the third direction Z, that is, the third support plate 27 and the first base plate 10 are arranged vertically; the third support plate 27 is connected to the second support plate 26 and is arranged on the side of the second support plate 26 away from the cushion block 25; the second base plate 28 is extended along the plane formed by the first direction X and the second direction Y, that is, the second base plate 28 and the first base plate 10 are arranged in parallel; along the third direction Z, one end of the second base plate 28 is connected to the first base plate 10, and the other end of the second base plate 28 is connected to the third support plate 27; the reinforcement plate is connected to the third support plate 27 and the second base plate 28, and is arranged on the side of the third support plate 27 away from the second support plate 26.

[0053] In some embodiments, see Figure 1 and Figure 4 , Figure 1 A three-dimensional diagram of a chest rib ballistic blunt impact test platform provided in an embodiment of the present application, Figure 4A three-dimensional diagram of the second fixing member 30 in the chest rib ballistic blunt impact test platform provided in the embodiment of the present application. The second fixing member 30 in the chest rib ballistic blunt impact test platform provided in the embodiment of the present application is arranged on the side of the first substrate 10 close to the first fixing member 20 along the third direction Z; the second fixing member 30 is connected to the first substrate 10, and the second fixing member 30 can move relative to the first substrate 10 along the first direction X, and the second fixing member 30 and the first fixing member 20 are arranged opposite to each other to fix the other end of the test piece along the first direction X. Specifically, the chest rib ballistic blunt impact test platform provided in the embodiment of the present application also includes a guide rail 80, which is extended along the first direction X and fixedly connected to the first substrate 10; the second fixing member 30 includes a sliding seat 31, a third substrate 32, a fourth support plate 33 and a second locking member 35, and the sliding seat 31 is slidably connected to the guide rail 80; the third substrate 32 is connected to the sliding seat 31 to drive the movement of the second fixing member 30 through the sliding of the sliding seat 31 along the guide rail 80; the fourth support plate 33 is extended along the plane formed by the second direction Y and the third direction Z, and the fourth support plate 33 is connected to the third substrate 32; the second locking member 35 is connected to the fourth support plate 33, and along the first direction X, the second locking member 35 is arranged close to the fourth support plate 33 Near one side of the first fixing member 20; the second locking member 35 includes a second supporting plate 351 and a plurality of second clamping plates 352; along the second direction Y, two adjacent second clamping plates 352 are arranged at intervals, and in the present application, the second clamping plate 352 is extended along the plane formed by the first direction X and the third direction Z, and two second clamping plates 352 are arranged along the second direction Y, and a waist round hole is opened on each clamping plate, and bolts are passed through the waist round holes of the two second clamping plates 352. After placing the workpiece to be measured, the bolts are tightened to tighten the two second clamping plates 352 to lock and fix the workpiece to be measured; the second supporting plate 351 is extended along the plane formed by the first direction X and the second direction Y, and is connected to the two adjacent second clamping plates 352, and is used to support the workpiece to be measured.

[0054] In some embodiments, see Figure 1 and Figure 4 , Figure 1 A three-dimensional diagram of a chest rib ballistic blunt impact test platform provided in an embodiment of the present application, Figure 4A three-dimensional diagram of the second fixing member 30 in the chest rib ballistic blunt impact test platform provided in the embodiment of the present application. The second fixing member 30 in the chest rib ballistic blunt impact test platform provided in the embodiment of the present application also includes a second fastening gasket 36, which is arranged between the second locking member 35 and the fourth support plate 33 along the first direction X to connect the second locking member 35 and the fourth support plate 33; the second fastening gasket 36 has a second groove 361, and the opening of the second groove 361 faces the fourth support plate 33. Furthermore, the second locking member 35 also includes a second connecting plate 353, and the second connecting plate 353 is extended along the plane formed by the second direction Y and the third direction Z, that is, the second connecting plate 353, the second supporting plate 351 and the second clamping plate 352 are orthogonally arranged, and along the first direction X, the second connecting plate 353 is arranged on the side of the second locking member 35 close to the second fastening gasket 36, and the first connecting plate 223 is fixedly connected to the first fastening gasket 24 to realize the connection between the second locking member 35 and the second fastening gasket 36.

[0055] In some embodiments, see Figure 1 , Figure 1 A three-dimensional diagram of a chest rib ballistic blunt impact test platform provided in an embodiment of the present application. The firing member 40 in the chest rib ballistic blunt impact test platform provided in an embodiment of the present application is arranged on a side of the first substrate 10 close to the first fixing member 20; the firing member 40 is connected to the first substrate 10, and the firing member 40 can move relative to the first substrate 10 along the first direction X, and the firing member 40 and the second fixing member 30 are arranged opposite to each other and are located on a side of the second fixing member 30 away from the first fixing member 20; the firing member 40 is used to drive the second fixing member 30 to move along the first direction X. Specifically, the firing member 40 is a rod-shaped member, and the axis of the firing member 40 is collinear with the straight line where the two fixed ends of the test piece are located. It can be understood that the end of the firing member 40 away from the second fixing member 30 receives the thrust along the first direction X toward the second fixing member 30 and moves, pushing the second fixing member 30 to move along the first direction X toward the first fixing member 20. Since the first fixing member 20 is fixedly connected to the first substrate 10, the test piece will be subjected to pressure along the first direction X. When the pressure reaches a certain level, the test piece will bend, fracture, break, etc. to complete the test.

[0056] In some embodiments, see Figure 1 , Figure 1 A stereoscopic view of a chest rib ballistic blunt impact test platform provided in an embodiment of the present application. A guide seat 90 is also provided in the chest rib ballistic blunt impact test platform provided in an embodiment of the present application. The guide seat 90 is fixedly connected to the first substrate 10, and the firing member 40 is slidably connected to the guide seat 90 to guide the firing member 40 when the firing member 40 moves.

[0057] In some embodiments, see Figure 1 and Figure 4 , Figure 1 A three-dimensional diagram of a chest rib ballistic blunt impact test platform provided in an embodiment of the present application, Figure 4 A three-dimensional diagram of the second fixing member 30 in the chest rib ballistic blunt impact test platform provided in the embodiment of the present application. The chest rib ballistic blunt impact test platform provided in the embodiment of the present application is also provided with an acceleration sensor 50, which is connected to the second fixing member 30 and is extended along the first direction X. Specifically, the acceleration sensor 50 is connected to the fourth support plate 33, and the movement of the fourth support plate 33 drives the acceleration sensor 50 to move, so as to detect the acceleration of the workpiece during the test.

[0058] In some embodiments, see Figure 1 and Figure 4 , Figure 1 A three-dimensional diagram of a chest rib ballistic blunt impact test platform provided in an embodiment of the present application, Figure 4 A stereoscopic diagram of the second fixing member 30 provided in the embodiment of the present application. The chest rib ballistic blunt impact test platform provided in the embodiment of the present application is also provided with a displacement sensor 60 and a trigger member 70. The displacement sensor 60 is connected to the first substrate 10, and the displacement sensor 60 is extended along the first direction X; the trigger member 70 is connected to the second fixing member 30; along the first direction X, the detection terminal of the displacement sensor 60 is at least partially overlapped with the orthographic projection of the trigger member 70, and the detection terminal of the displacement sensor 60 is at least partially arranged in the movement stroke of the trigger member 70. Specifically, the trigger member 70 is connected to the third substrate 32, and when the third substrate 32 moves, the detection terminal of the displacement sensor 60 is driven to move to detect the displacement generated by the second fixing member 30 during the test.

[0059] In some embodiments, see Figure 1 , Figure 1 A stereoscopic diagram of a chest rib ballistic blunt impact test platform provided in an embodiment of the present application. The chest rib ballistic blunt impact test platform provided in an embodiment of the present application is also provided with an impact device 1020, which includes a bracket 1021, a swing rod 1022 and an impact hammer 1023. One end of the swing rod 1022 is rotatably connected to the bracket 1021, and the other end of the swing rod 1022 is connected to the impact hammer 1023. The orthographic projection of the impact hammer 1023 when moving in the first direction X is at least partially overlapped with the orthographic projection of the firing member 40 in the first direction X, so as to push the firing member 40 to drive the second fixing member 30 to move along the first direction X. Specifically, the axis of the firing member 40 is in the tangential direction of the rotation of the swing rod 1022. When the swing rod 1022 swings, it drives the impact hammer 1023 to hammer the firing member 40, so as to push the firing member 40 to drive the second fixing member 30 to move in the first direction X for testing.

[0060] In some embodiments, see Figure 1 and Figure 2 , Figure 1 A three-dimensional diagram of a chest rib ballistic blunt impact test platform provided in an embodiment of the present application, Figure 2 A three-dimensional diagram of the first substrate 10, the first clamping plate 100 and the second clamping plate 1010 in the chest rib ballistic blunt impact test platform provided in the embodiment of the present application. The chest rib ballistic blunt impact test platform provided in the embodiment of the present application is also provided with a first clamping plate 100 and a second clamping plate 1010, the first clamping plate 100 is extended along the plane formed by the second direction Y and the third direction Z; along the first direction X, the first clamping plate 100 is arranged on the side of the firing member 40 away from the second fixing member 30; the second clamping plate 1010 is extended along the plane formed by the second direction Y and the third direction Z, the second clamping plate 1010 is connected to the first clamping plate 100, and is arranged on the side of the first clamping plate 100 away from the firing member 40, and the second clamping plate 1010 and the first clamping plate 100 are enclosed to form a clamping groove. Specifically, the second clamp plate 1010 is connected and fixed to the first clamp plate 100 by bolts, and a bulletproof vest can be set between the first clamp plate 100 and the second clamp plate 1010 and locked and fixed by bolts. The impact hammer 1023 hammers the firing piece 40 through the bulletproof vest to complete the test with the bulletproof vest attached.

[0061] It can be understood that an embodiment of the present application provides a chest rib ballistic blunt impact test platform, including a first substrate 10, a first fixing member 20, a second fixing member 30 and a firing member 40. The first fixing member 20 is connected to the first substrate 10, and is used to fix one end of the test piece; the second fixing member 30 is connected to the first substrate 10, and is used to fix the other end of the test piece, and the second fixing member 30 can move relative to the first substrate 10 on a straight line where the two fixed ends of the test piece are located; the firing member 40 is connected to the first substrate 10, and is arranged on a side of the second fixing member 30 away from the first fixing member 20. At the same time, the firing member 40 can move relative to the first substrate 10 on a straight line where the two fixed ends of the test piece are located, so as to push the second fixing member 30 to move toward the first fixing member 20, so as to apply impact force to the test piece to complete the blunt impact experiment.

[0062] The present application has introduced in detail a chest rib ballistic blunt impact test platform provided by the embodiments of the present application. Specific examples are used herein to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the method of the present application and its core idea. At the same time, for technical personnel in this field, according to the ideas of the present application, there will be changes in the specific implementation methods and application scopes. In summary, the content of this specification should not be understood as a limitation on the present application.

Claims

1. A chest rib ballistic blunt impact test platform, characterized in that: include: A first substrate (10), the first substrate (10) having a first direction (X), a second direction (Y) and a third direction (Z) arranged to intersect each other, and the first substrate (10) is extended along a plane formed by the first direction (X) and the second direction (Y); A first fixing member (20), the first fixing member (20) being connected to the first substrate (10), and the first fixing member (20) being used to fix one end of the device to be tested along the first direction (X); a second fixing member (30), which is arranged on a side of the first substrate (10) close to the first fixing member (20) along the third direction (Z); the second fixing member (30) is connected to the first substrate (10), and the second fixing member (30) can move relative to the first substrate (10) along the first direction (X), and the second fixing member (30) and the first fixing member (20) are arranged relative to each other to fix the other end of the device to be tested along the first direction (X); A firing member (40) is arranged on a side of the first substrate (10) close to the first fixing member (20) along the third direction (Z); the firing member (40) is connected to the first substrate (10), and the firing member (40) can move relative to the first substrate (10) along the first direction (X), and the firing member (40) and the second fixing member (30) are arranged opposite to each other and are located on a side of the second fixing member (30) away from the first fixing member (20); the firing member (40) is used to drive the second fixing member (30) to move along the first direction (X).

2. The chest rib ballistic blunt impact test platform according to claim 1, characterized in that: It also includes an acceleration sensor (50), the acceleration sensor (50) being connected to the second fixing member (30), and the acceleration sensor (50) being arranged to extend along the first direction (X).

3. The chest rib ballistic blunt impact test platform according to claim 1, characterized in that: Also includes: a displacement sensor (60), the displacement sensor (60) being connected to the first substrate (10), and the displacement sensor (60) being extended along the first direction (X); A trigger member (70), the trigger member (70) being connected to the second fixing member (30); along the first direction (X), the detection terminal of the displacement sensor (60) at least partially overlaps with the orthographic projection of the trigger member (70), and the detection terminal of the displacement sensor (60) is at least partially arranged in the movement stroke of the trigger member (70).

4. The chest rib ballistic blunt impact test platform according to claim 1, characterized in that: The first fixing member (20) comprises: A first support plate (21), the first support plate (21) extending along a plane formed by the second direction (Y) and the third direction (Z); A first locking member (22), the first locking member (22) is connected to the first supporting plate (21) and is arranged on a side of the first supporting plate (21) close to the second fixing member (30); the first locking member (22) comprises a first supporting plate (221) and a plurality of first clamping plates (222); along the second direction (Y), two adjacent first clamping plates (222) are arranged at intervals; the first supporting plate (221) is extended along a plane formed by the first direction (X) and the second direction (Y), and is connected to two adjacent first clamping plates (222); A pressure sensor (23), the pressure sensor (23) is connected to the first supporting plate (21), the pressure sensor (23) is extended along the first direction (X), and the detection end of the pressure sensor (23) is toward the second fixing member (30); along the second direction (Y), the pressure sensor (23) is arranged between two adjacent first clamping plates (222); along the third direction (Z), at least part of the positive projection of the pressure sensor (23) is arranged on the first supporting plate (221).

5. The chest rib ballistic blunt impact test platform according to claim 4, characterized in that: The first fixing member (20) further comprises a first fastening gasket (24), and along the first direction (X), the first fastening gasket (24) is arranged between the first locking member (22) and the first supporting plate (21) to connect the first locking member (22) and the first supporting plate (21); The first fastening gasket (24) has a first groove (241), the opening of the first groove (241) faces the first supporting plate (21), a first through hole (242) is formed at the bottom of the first groove (241), and the pressure sensor (23) is inserted through the first through hole (242).

6. The chest rib ballistic blunt impact test platform according to claim 4, characterized in that: The first fixing member (20) further comprises: a cushion block (25), the cushion block (25) being connected to the first support plate (21) and being arranged on a side of the first support plate (21) away from the first locking member (22); a plurality of cushion blocks (25) are arranged at intervals along the second direction (Y); A second support plate (26), the second support plate (26) is extended along a plane formed by the second direction (Y) and the third direction (Z); the second support plate (26) is connected to the cushion block (25) and is arranged on a side of the cushion block (25) away from the first support plate (21).

7. The chest rib ballistic blunt impact test platform according to claim 6, characterized in that: The first fixing member (20) further comprises: a third support plate (27), the third support plate (27) extending along a plane formed by the second direction (Y) and the third direction (Z); the third support plate (27) is connected to the second support plate (26) and is arranged on a side of the second support plate (26) away from the cushion block (25); A second substrate (28), wherein the second substrate (28) is extended along a plane formed by the first direction (X) and the second direction (Y); along the third direction (Z), one end of the second substrate (28) is connected to the first substrate (10), and the other end of the second substrate (28) is connected to the third support plate (27).

8. The chest rib ballistic blunt impact test platform according to claim 1, characterized in that: The chest rib ballistic blunt impact test platform further comprises a guide rail (80), wherein the guide rail (80) is extended along the first direction (X), and the guide rail (80) is connected to the first substrate (10); The second fixing member (30) comprises: A sliding seat (31), wherein the sliding seat (31) is slidably connected to the guide rail (80); A third substrate (32), the third substrate (32) being connected to the sliding seat (31); a fourth support plate (33), the fourth support plate (33) extending along a plane formed by the second direction (Y) and the third direction (Z), the fourth support plate (33) being connected to the third substrate (32); A second locking member (35), the second locking member (35) is connected to the fourth supporting plate (33), and along the first direction (X), the second locking member (35) is arranged on a side of the fourth supporting plate (33) close to the first fixing member (20); the second locking member (35) includes a second supporting plate (351) and a plurality of second clamping plates (352); along the second direction (Y), two adjacent second clamping plates (352) are arranged at intervals; the second supporting plate (351) is extended along the plane formed by the first direction (X) and the second direction (Y), and is connected to two adjacent second clamping plates (352).

9. The chest rib ballistic blunt impact test platform according to claim 8, characterized in that: The second fixing member (30) further comprises a second fastening gasket (36), and along the first direction (X), the second fastening gasket (36) is arranged between the second locking member (35) and the fourth supporting plate (33) to connect the second locking member (35) and the fourth supporting plate (33); The second fastening gasket (36) has a second groove (361), and the opening of the second groove (361) faces the fourth supporting plate (33).

10. The chest rib ballistic blunt impact test platform according to claim 1, characterized in that: The chest rib ballistic blunt impact test platform also includes: A guide seat (90), the guide seat (90) being connected to the first substrate (10), and the firing member (40) being slidably connected to the guide seat (90); a first clamping plate (100), the first clamping plate (100) extending along a plane formed by the second direction (Y) and the third direction (Z); along the first direction (X), the first clamping plate (100) is arranged on a side of the firing member (40) away from the second fixing member (30); A second clamping plate (1010), the second clamping plate (1010) is extended along a plane formed by the second direction (Y) and the third direction (Z), the second clamping plate (1010) is connected to the first clamping plate (100), and is arranged on a side of the first clamping plate (100) away from the firing member (40), and the second clamping plate (1010) and the first clamping plate (100) are enclosed to form a clamping groove; An impact device (1020), the impact device (1020) comprising a bracket (1021), a swing rod (1022) and an impact hammer (1023), one end of the swing rod (1022) being rotatably connected to the bracket (1021), the other end of the swing rod (1022) being connected to the impact hammer (1023), and the orthographic projection of the impact hammer (1023) when moving in the first direction (X) at least partially overlaps with the orthographic projection of the firing member (40) in the first direction (X), so as to push the firing member (40) to drive the second fixing member (30) to move along the first direction (X).

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