CN112082725B - Dummy for train secondary collision test - Google Patents
Dummy for train secondary collision test Download PDFInfo
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- CN112082725B CN112082725B CN202010954054.7A CN202010954054A CN112082725B CN 112082725 B CN112082725 B CN 112082725B CN 202010954054 A CN202010954054 A CN 202010954054A CN 112082725 B CN112082725 B CN 112082725B
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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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/08—Railway vehicles
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Abstract
The utility model relates to a Hybrid III-50th-RS dummy for a train secondary collision test, wherein a head assembly is connected with a neck assembly through a neck rotating pin (1-6); the chest assembly is connected with the chest adapter (6-1) of the neck assembly and the lumbar assembly (6) through a vertebra assembly (3-3); the upper abdomen assembly (4) is piled on the lower abdomen assembly (5) and is packaged by an abdomen cloth bag (5-7); the lower abdomen assembly (5) is welded on the lumbar vertebra assembly (6) through the left sensor welding bracket assembly and the right sensor welding bracket assembly; the lumbar vertebra assembly (6) is connected with a spine assembly (3-3) of the chest assembly through a chest adapter (6-1) and is fixed on a pelvis of the hip assembly (7) through a pelvis connecting plate; the arm assembly (8) is locked on the shoulder assembly of the chest assembly; the leg assembly (9) is fixed on the hip assembly (9) through a thigh framework (9-1). The utility model can reflect the damage of the train internal components to the human body more truly.
Description
Technical Field
The utility model relates to the field of train crash tests, in particular to a Hybrid III-50th-RS dummy for a train secondary crash test.
Background
Early in the foreign 20 th century, the 80's, there were literature reports relating to the mitigation of crash severity and the improvement of energy absorption concepts. Later, british scholars have developed concepts of designing crash-resistant vehicle body structures and absorbing crash energy in a controlled large deformation manner, and have also conducted physical crash tests, quasi-static impact tests on vehicle body ends on self-made test stands, front-to-head crash tests on two trains of full-size trains, and the like. The british railway administration has established a specialized research institute for train collision problems in the 90 s of the 20 th century. Through theoretical and experimental research, great britain researchers have summarized the design method and principle of crashworthiness vehicle structure, propose should adopt the multistage energy absorption system in crashworthiness design of automobile body. The Federal Railway Administration (FRA) in the United states has conducted a great deal of train collision research, safety regulations related to train collision are established in the United states as early as 1997, from 11 months 1999, a plurality of whole vehicle collision tests are conducted in the United states transportation technology center of Colorado, and the secondary collision characteristics of single-section vehicles and rigid walls, locomotives and locomotives, locomotives and vehicles, vehicles and vehicles, and trains after the train collision and passengers after the train collision are intensively researched, and compared and analyzed the secondary collision damage conditions of passengers and equipment in the train when no safety belt and safety belt are available, and research shows that the safety factor of the passengers can be obviously improved under the condition that the safety belt is bound by the waist and shoulder safety belt, so that the research suggests that the safety belt is additionally arranged on the train.
Although a few studies are conducted on secondary collision injuries of train passengers, no special dummy aiming at the study of the secondary collision injuries of the train exists at present, but the Hybrid III-50th dummy commonly used in the automobile industry at present is adopted as a standard, the belly of the dummy is foamed polyurethane and PVC skin, a sensor for measuring belly invasion is not provided, the damage of the belly cannot be reflected, and the liver and the spleen of the upper belly are easily damaged, so that the dummy for the secondary collision of the train is necessary to be developed.
Disclosure of Invention
In order to realize the aim of the utility model, the utility model provides a Hybrid III-50th-RS dummy for a train secondary collision test, which modifies the chest, the abdomen and the hip of the dummy on the basis of the existing standard Hybrid III-50th dummy and can reflect the damage of train internal components to a human body more truly.
The purpose of the utility model is realized by the following technical scheme:
the utility model provides a Hybrid III-50th-RS dummy for a train secondary collision test, which comprises the following components:
a head assembly, a neck assembly, a chest assembly, an upper abdomen assembly, a lower abdomen assembly, a lumbar assembly, a hip assembly, an arm assembly and a leg assembly;
the head assembly includes a neck rotation pin, the neck assembly includes a neck joint; the head assembly is screwed into the neck joint through the neck rotating pin to realize connection with the neck assembly;
the thoracic assembly includes a vertebral assembly; the lumbar assembly comprises a thoracic adapter; the chest assembly is upwards connected with the neck assembly through the spine assembly and downwards connected with the chest adapter of the lumbar assembly;
the upper abdomen assembly is stacked on the lower abdomen assembly and is packaged into a whole through an abdomen cloth bag; the lower abdomen assembly is fixed on the lumbar assembly through a left sensor welding bracket assembly and a right sensor welding bracket assembly;
the upper part of the lumbar assembly is connected with a spine assembly of the chest assembly through a chest adapter, and the lower part of the lumbar assembly is fixed on a pelvis of the hip assembly through a pelvis connecting plate;
the arm assembly is locked on the shoulder assembly of the chest assembly;
the leg assembly is fixed on the hip assembly through the thigh framework by screws.
More preferably, the head assembly further comprises:
the back cover bone skin, the skull back cover, the skull skin and the sensor mounting bracket;
the cortex lycii radicis skin of the back cover is arranged on the back cover of the skull; the skull skin is arranged on the skull, and the sensor mounting bracket is arranged in the skull; the sensor mounting bracket is provided with three acceleration sensors and is provided with a pin hole for mounting a neck rotation pin; the head assembly is connected with the neck assembly after being screwed out from the pin hole of the head sensor mounting bracket through the neck rotating pin.
More preferably, the neck assembly further comprises:
the neck adjusting upper bracket, the neck joint rubber block and the neck steel cable;
the neck adjusting upper bracket is arranged at the lower part of the neck; the neck joint is arranged at the upper part of the neck, and the neck joint rubber block is arranged on the upper surface of the neck joint; the neck steel cable sequentially passes through the neck joint, the neck and the central hole of the neck adjusting upper bracket and is locked by the nut;
the neck assembly is matched and installed with the neck rotating pin of the head assembly through the neck joint, and connection with the head assembly is achieved.
More preferably, the chest assembly further comprises:
the chest displacement sensor comprises chest skin, a shoulder assembly, a rib assembly, a chest displacement sensor unit, an L-shaped bracket, a flat plate type bracket, a cross universal joint and a connecting bolt;
the shoulder assembly is arranged on two side lugs of the vertebral assembly; the rib assembly is arranged on the back of the vertebral assembly; the chest displacement sensor units are two pairs and are respectively fixed on left and right vertebral column side plates of the vertebral column assembly through left and right flat plate type supports and L-shaped supports; the front end pull rod of the chest displacement sensor unit is connected with a cross universal joint; the connecting bolt penetrates through the rib assembly to fix the cross universal joint on the rib assembly.
More preferably, the pair of chest displacement sensor units are respectively arranged at the left and right sides of the second rib of the chest; and the other pair of chest displacement sensor units are respectively arranged at the left and right sides of the fifth rib of the chest.
More preferably, the chest displacement sensor unit includes:
the potentiometer comprises an output end potentiometer base, a pull rod front end, a first bearing, a potentiometer connecting rod base, an angular displacement sensor, a pull rod rear end, a fixed end mounting transfer block, a second bearing and a mounting base;
three angular displacement sensors are provided;
one of the angle displacement sensors is fixed on the potentiometer connecting rod seat, and the potentiometer connecting rod seat and the output end potentiometer base are respectively arranged on the outer inner ring of the first bearing; the front end of the pull rod is fixed on the potentiometer connecting rod seat, and the rear end of the pull rod is fixed on the potentiometer connecting rod seat and the potentiometer base which are adjacent;
the other two angle displacement sensors are respectively arranged on the fixed end mounting adapter block and the mounting base; the fixed end mounting switching block is connected with the potentiometer connecting rod seat through a first bearing, and the fixed end mounting switching block is mounted on a mounting base with a second bearing.
More preferably, the upper abdominal assembly comprises:
an upper abdomen part matching plate, an upper abdomen cross universal joint, an upper abdomen internal foam front layer, an upper abdomen internal foam middle layer, an upper abdomen internal foam rear layer, an upper abdomen support, an upper abdomen displacement sensor mounting plate and an upper abdomen displacement sensor unit;
the upper abdomen part matching plate and the upper abdomen part cross universal joint are locked by a nut, and the upper abdomen part cross universal joint is connected with the tail end of a pull rod displacement sensor shaft in the upper abdomen part displacement sensor unit; the upper abdomen displacement sensor unit is fixed on the left side and the right side of the lumbar vertebra displacement device base of the lumbar vertebra through an upper abdomen displacement sensor mounting plate; the upper abdomen support is fixed at the front part of the lumbar vertebra displacement device base of the lumbar vertebra and is used for limiting the upper abdomen; the upper abdomen internal foam front layer, the upper abdomen internal foam middle layer and the upper abdomen internal foam rear layer are bonded together; the foam back layer inside the upper abdomen is supported by the upper abdomen for limiting.
More preferably, the upper abdominal position displacement sensor unit includes:
the device comprises an upper abdomen angular displacement sensor fixing block, an upper abdomen pivot cover plate, an upper abdomen pull rod displacement sensor lower clamping block, an upper abdomen pull rod displacement sensor upper clamping block, an upper abdomen pull rod displacement sensor, an upper abdomen pivot block, an upper abdomen angular displacement sensor clamping block, an upper abdomen angular displacement sensor base, an angular displacement sensor and a second bearing;
the upper abdomen pull rod displacement sensor is fixed by the lower clamping block of the upper abdomen pull rod displacement sensor and the upper clamping block of the upper abdomen pull rod displacement sensor and is used for measuring the displacement of the upper abdomen assembly in the X direction; the lower clamping block of the upper abdomen pull rod displacement sensor and the upper clamping block of the upper abdomen pull rod displacement sensor are arranged in the upper abdomen pivot block and the upper abdomen pivot cover plate through second bearings;
the upper abdomen pivot is arranged on a shaft of an angular displacement sensor in the upper abdomen angular displacement sensor base, and the angular displacement sensor is fixed by an upper abdomen angular displacement sensor fixing block and is used for measuring the rotating angle of the pivot along the Z axis;
the angle displacement sensor is fixed by the upper abdomen angle displacement sensor clamping block and the upper abdomen angle displacement sensor base and is used for measuring the displacement of the abdomen impact in the Z direction.
More preferably, the lower abdominal assembly comprises:
the device comprises an internal welding component, a left sensor welding and mounting bracket assembly, a right sensor welding and mounting bracket assembly, a lower abdomen rear foam layer, a lower abdomen front foam layer, a lower abdomen distributing plate, an abdomen cloth bag and a stay wire displacement sensor;
the built-in welding component is connected with the left sensor welding mounting bracket assembly and the right sensor mounting bracket assembly; the other side of the built-in welding component is sleeved with a lower abdomen rear foam layer;
two stay wire displacement sensors for measuring the displacement in the X direction generated by the impact on the lower abdomen are respectively fixed on the inner sides of the left sensor welding and mounting bracket assembly and the right sensor welding and mounting bracket assembly; the stay cord of the stay cord displacement sensor sequentially penetrates through inner holes of the abdomen cloth bag and the lower abdomen distribution plate and is fixed by the front foam layer arranged in the abdomen cloth bag and the lower abdomen through nuts;
the lower abdomen assembly is fixed on the lumbar assembly through a left sensor welding mounting bracket assembly and a right sensor mounting bracket assembly.
More preferably, the lower lumbar assembly further comprises: lumbar vertebrae;
the lumbar vertebra is fixed on the chest adapter assembly;
the chest adapter assembly comprises a chest adapter welding part and a chest adapter balancing weight; the chest adapter counterweight block is arranged on a chest adapter welding piece, and an acceleration sensor is arranged on the chest adapter welding piece;
the lumbar vertebrae includes: the lumbar vertebra displacement device comprises a lumbar vertebra displacement left side star wheel, a lumbar vertebra displacement right side star wheel, a lumbar vertebra displacement device base, a lumbar vertebra flexion joint assembly, a lumbar vertebra mounting block, a lumbar vertebra force sensor and a pelvis connecting plate;
the lumbar vertebra displacement left star wheel is installed on the lower portion of the chest adapter assembly, the lumbar vertebra displacement right star wheel is installed on the upper portion of a lumbar vertebra displacement device base, and the angle between the lumbar vertebra displacement left star wheel and the lumbar vertebra displacement right star wheel is adjusted through tooth occlusion, so that the switching between sitting posture and standing posture is achieved;
the upper end of the lumbar flexion joint assembly is connected with a lumbar dislocation right star wheel through a lumbar dislocation device base, and the lower part of the lumbar flexion joint assembly is connected with a lumbar force sensor for measuring lumbar force through a lumbar mounting block; the lumbar force sensor is arranged on a pelvis connecting plate connected with the pelvis; the lumbar vertebra is connected with the pelvis of the hip assembly through the pelvis connecting plate.
More preferably, in the sitting position, the hip assembly comprises: a sitting position pelvis, a sitting position hip skin and femur assembly; the sitting position pelvis is formed by cutting off the upper part of a pelvis on the basis of the existing standard Hybrid III-50th dummy, and an H point mounting insert is arranged on the pelvis to calibrate the chest of the Hybrid III-50th-RS dummy; the sitting position hip skin is formed by cutting off the upper part of the sitting position hip skin on the basis of the existing standard Hybrid III-50th dummy, so that the left sensor welding mounting bracket assembly and the right sensor welding mounting bracket assembly are ensured not to interfere with the sitting position pelvis and the sitting position hip skin; the femur assembly is arranged at two side edges of the sitting position pelvis, and the surface of the sitting position pelvis covers the skin of the sitting position buttocks;
alternatively, the first and second electrodes may be,
in a standing position, the hip assembly includes: femur assembly, left hip skin, right hip skin, standing pelvis, and standing hip skin; the standing pelvic bone is formed by cutting off the upper part and the lower part of the pelvic bone on the basis of the existing standard Hybrid III-50th dummy, and the standing hip skin is formed by cutting off the upper part of the standing hip on the basis of the existing standard Hybrid III-50th dummy so as to ensure that the left sensor welding and mounting bracket assembly and the right sensor welding and mounting bracket assembly do not interfere with the standing pelvic bone and the standing hip skin; the femur assembly is arranged on two side edges of the standing pelvis, and the surface of the standing pelvis is covered with the skin of the hip of the standing posture; the femur assembly is covered with the left and right hip skins.
According to the scheme, the utility model has the following technical effects:
the Hybrid III-50th-RS dummy for the train secondary collision test can simulate the weight and the movement posture of a human body, and collects acceleration, displacement force, force and moment in the test process for testing the damage of the human body and evaluating the safety performance; meanwhile, the dynamic strength test of parts of the restraint system can be realized, and the damage of the internal parts of the train to the human body can be reflected more truly.
Drawings
FIG. 1 is a schematic view of the construction of the dummy of the present invention;
FIG. 2 is an exploded view of the head assembly of the present invention;
FIG. 3 is an exploded view of the neck assembly of the present invention;
FIG. 4-1 is an exploded view of the chest assembly of the present invention;
fig. 4-2 is an exploded view of the chest displacement sensor unit structure in accordance with the present invention;
FIG. 5-1 is an exploded view of the upper abdominal assembly of the present invention;
FIG. 5-2 is an exploded view of the epigastric displacement sensor of the present invention;
FIG. 6 is an exploded view of the lower belly assembly of the present invention;
figure 7-1 is an exploded view of the lumbar assembly of the present invention;
fig. 7-2 is an exploded view of the chest adapter structure of the present invention;
figures 7-3 are exploded views of the lumbar spine structure of the present invention;
FIG. 8-1 is an exploded view of the hip structure in a sitting position according to the present invention;
FIG. 8-2 is an exploded view of the hip structure in the standing position of the present invention;
FIG. 9 is an exploded view of the left arm structure of the present invention;
FIG. 10 is an exploded view of the left leg structure of the present invention;
reference numerals:
a head assembly 1, a neck assembly 2, a chest assembly 3, an upper abdomen assembly 4, a lower abdomen assembly 5, a lumbar vertebra assembly 6, a hip assembly 7, an arm assembly 8 and a leg assembly 9; the device comprises 1-1 parts of posterior cap bone skin, 1-2 parts of a skull posterior cap, 1-3 parts of a skull, 1-4 parts of skull skin, 1-5 parts of a sensor mounting bracket and 1-6 parts of a neck rotation pin; a neck adjusting upper bracket 2-1, a neck 2-2, a neck joint 2-3, a neck joint rubber block 2-4 and a neck steel cable 2-5; 3-1 parts of chest skin, 3-2 parts of shoulder assemblies, 3-3 parts of spine assemblies, 3-4 parts of rib assemblies, 3-5 parts of chest displacement sensor units, 3-6 parts of L-shaped supports, 3-7 parts of flat-plate supports, 3-8 parts of cross universal joints and 3-9 parts of connecting bolts; 3-5-1 parts of a potentiometer base at an output end, 3-5-2 parts of the front end of a pull rod, 3-5-3 parts of a first bearing, 3-5-4 parts of a potentiometer connecting rod base, 3-5-5 parts of an angular displacement sensor, 3-5-6 parts of a pressing strip, 3-5-7 parts of the rear end of the pull rod, 3-5-8 parts of a fixed end mounting and switching block, 3-5-9 parts of a second bearing and 3-5-10 parts of a mounting base; an upper abdomen part matching plate 4-1, an upper abdomen cross universal joint 4-2, an upper abdomen internal foam front layer 4-3, an upper abdomen internal foam middle layer 4-4, an upper abdomen internal foam rear layer 4-5, an upper abdomen support 4-6, an upper abdomen displacement sensor mounting plate 4-7 and an upper abdomen displacement sensor unit 4-8; 4-8-1 parts of an upper abdomen angular displacement sensor fixing block, 4-8-2 parts of an upper abdomen pivot cover plate, 4-8-3 parts of an upper abdomen pull rod displacement sensor lower clamping block, 4-8-5 parts of an upper abdomen pull rod displacement sensor upper clamping block, 4-8-4 parts of an upper abdomen pull rod displacement sensor, 4-8-6 parts of an upper abdomen pivot block, 4-8-7 parts of an upper abdomen angular displacement sensor clamping block, 4-8-8 parts of a large flat pad and 4-8-9 parts of an upper abdomen angular displacement sensor base; the sensor comprises an internal welding component 5-1, a left sensor welding and mounting bracket assembly 5-2, a right sensor welding and mounting bracket assembly 5-3, a lower abdomen rear foam layer 5-4, a lower abdomen front foam layer 5-5, a lower abdomen distributing plate 5-6, an abdomen cloth bag 5-7 and a stay wire displacement sensor 5-8; 6-1 parts of a chest adapter assembly and 6-2 parts of lumbar vertebrae; a chest adapter weldment 6-1-1 and a chest adapter counterweight 6-1-2; 6-2-1 parts of a lumbar vertebra dislocation left star wheel, 6-2-2 parts of a lumbar vertebra dislocation right star wheel, 6-2-3 parts of a lumbar vertebra dislocation device base, 6-2-4 parts of a lumbar vertebra flexion joint assembly, 6-2-5 parts of a lumbar vertebra mounting block, 6-2-6 parts of a lumbar vertebra force sensor and 6-2-7 parts of a pelvis connecting plate; 7-1 parts of sitting posture pelvis bone, 7-2 parts of sitting posture hip skin, 7-3 parts of femoral assembly, 7-4 parts of left hip skin, 7-5 parts of right hip skin, 7-6 parts of standing posture pelvis bone and 7-7 parts of standing posture hip skin; 8-1 parts of hands, 8-2 parts of wrist rotation connecting pieces, 8-3 parts of lower arms, 8-4 parts of upper arm connecting pieces, 8-5 parts of upper arms, 8-6 parts of washers at upper elbow joints and 8-7 parts of sleeves at the upper elbow joints; 9-1 parts of thigh skeletons, 9-2 parts of force sensor substitutes, 9-3 parts of inner side sliding blocks, 9-4 parts of knee skeletons, 9-5 parts of knee embedded rubber, 9-6 parts of shank skeletons, 9-7 parts of ankle bone assemblies, 9-8 parts of feet, 9-9 parts of foot pads, 9-10 parts of shank skins, 9-11 parts of outer side sliding blocks, 9-12 parts of knee skins and 9-13 parts of thigh skins.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
The terms of orientation such as up, down, left, right, front, and rear in the present specification are established based on the positional relationship shown in the drawings. The corresponding positional relationship may also vary depending on the drawings, and therefore, should not be construed as limiting the scope of protection.
In the present application, the terms "mounting," "connecting," "fixing," and the like are to be understood in a broad sense, and may be, for example, a fixed connection, a detachable connection, an integrated connection, a mechanical connection, an electrical connection, a mutual communication, a direct connection, an indirect connection through an intermediate medium, a communication inside two components, or an interaction relationship between two components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The utility model provides a Hybrid III-50th-RS dummy for a train secondary collision experiment, which is referred to as the Hybrid III-50th-RS dummy for short and is applied to reflecting the damage degree of passengers during train collision, evaluating the damage of dining table impact on chest and abdomen and the damage of head, neck and legs, and providing reference and data support for the design of the internal structure of a train. The Hybrid III-50th-RS dummy adopts the lower abdomen and lumbar vertebra of the THOR, the other parts of the THOR continue to use the head, the neck, the thoracic vertebra, the upper and lower arms, the upper and lower legs and the hip of the previous generation of standard Hybrid III-50th dummy, the framework material is metal, and the skin material is polyethylene. The thoracic vertebrae of the existing standard Hybrid III-50th dummy are connected to the lumbar repositioning device by a thoracic adapter weld assembly, and the lumbar vertebrae are connected to the pelvis of the Hybrid III-50th-RS dummy of the present invention by a pelvic connection plate. In the Hybrid III-50th-RS dummy, the upper abdomen and the lower abdomen are packaged by a cloth bag, the framework material of the Hybrid III-50th-RS dummy is metal, the skin material is polyethylene, and the filling material is foamed polyurethane.
The structure of the Hybrid III-50th-RS dummy for the train secondary collision experiment is shown in figure 1, and comprises the following components: the head assembly 1, the neck assembly 2, the chest assembly 3, the upper abdomen assembly 4, the lower abdomen assembly 5, the lumbar vertebra assembly 6, the hip assembly 7, the arm assembly 8 and the leg assembly 9.
The head assembly 1 is screwed into the head sensor mounting bracket 1-5 and the neck joint 2-3 through the neck rotation pin 1-6 to realize the connection with the neck assembly 2; the neck assembly 2 is locked on a vertebral assembly 3-3 of the chest assembly 3 through screws; the chest assembly 3 is upwards connected with the neck assembly 2 by screws through a vertebral assembly 3-3 and downwards connected with a chest adapter 6-1 of a lumbar assembly 6 by screws; the upper abdomen assembly 4 is stacked on the lower abdomen assembly 5 and is packaged into a whole by an abdomen cloth bag 5-7; the lower abdomen assembly 5 is fixed on the side of the lumbar vertebra installation block 6-2-5 of the lumbar vertebra assembly 6 through a left sensor welding support assembly 5-2 and a right sensor welding support assembly 5-3; the upper part of the lumbar vertebra assembly 6 is connected with a vertebra assembly 3-3 of the chest assembly 3 through a chest adapter 6-1, and the lower part of the lumbar vertebra assembly is fixed on a sitting posture pelvis 7-1 or a standing posture pelvis 7-6 of a hip assembly 7 through a pelvis connecting plate 6-2-7; a thigh framework 9-1 on the leg assembly 9 is locked on a femur assembly 7-3 of the hip assembly 9 through screws; the arm assembly 8 is locked on the shoulder assembly 3-2 of the chest assembly 3 by screws.
First, head assembly 1
The back cover bone skin 1-1 is arranged on the back cover 1-2 of the skull, the skull skin 1-4 is arranged on the skull 1-3, the sensor mounting bracket 1-5 is arranged in the skull 1-3, the sensor mounting bracket 1-5 is provided with a pin hole and three groups of sensor mounting holes, wherein the pin hole is internally provided with a neck rotation pin 1-6 and is locked by a set screw. Three acceleration sensors are arranged on the three groups of sensor mounting holes. The head assembly 1 is screwed into the head sensor mounting brackets 1-5 and the neck joint 2-3 through the neck rotation pins 1-6 to realize the connection with the neck assembly 2.
Second, neck assembly 2
The neck assembly 2 is composed of an aluminum framework and rubber, and the structure of the neck assembly is shown in fig. 3, and comprises: a neck adjusting upper bracket 2-1, a neck 2-2, a neck joint 2-3, a neck joint rubber block 2-4 and a neck steel cable 2-5.
The neck adjusting upper bracket 2-1 is arranged at the lower part of the neck 2-2; the neck steel cable 2-5 passes through the neck joint 2-3, the neck 2-2 and the central hole of the neck adjusting upper bracket 2-1 in sequence, the end part is locked by a nut, and the neck assembly 2 is connected with the head assembly 1 through the neck rotating pin 1-6. The neck joint 2-3 is arranged at the upper part of the neck 2-2, and the neck joint rubber block 2-4 is arranged on the upper surface of the neck joint 2-3 and plays a role of buffering.
The neck assembly 2 is matched and installed with the neck rotating pins 1-6 of the head assembly 1 through neck joints 2-3 to realize connection with the head assembly 1.
Third, chest assembly 3
The chest assembly 3 is composed of a metal framework and rubber skin, wherein the metal framework is divided into steel vertebrae, ribs (damping materials are adhered to the surface of the steel vertebrae), aluminum scapula and clavicle.
The thoracic assembly 3 is screwed upwardly to the neck assembly 2 and downwardly to the thoracic adapter 6-1 of the lumbar assembly 6 by means of the vertebral assemblies 3-3. The structure of the chest assembly 3 is shown in fig. 4-1, which includes: 3-1 parts of chest skin, 3-2 parts of shoulder assemblies, 3-3 parts of spine assemblies, 3-4 parts of rib assemblies, 3-5 parts of chest displacement sensor units, 3-6 parts of L-shaped supports, 3-7 parts of flat-plate supports, 3-8 parts of cross universal joints and 3-9 parts of connecting bolts.
The chest skin 3-1 is worn on the chest skeleton. Shoulder assembly 3-2 is mounted to a lug of vertebral assembly 3-3. The rib assemblies 3-4 are mounted to the back of the spine assembly 3-3 by screws. Two pairs of chest displacement sensor units 3-5 are respectively fixed on the left and right vertebral column side plates of the vertebral column assembly 3-3 through a left and right flat plate type support 3-7 and an L-shaped support 3-6. The front end pull rod of the chest displacement sensor unit 3-5 is connected with the cross universal joint 3-8, and the connecting bolt 3-9 penetrates through the rib assembly 3-4 to fix the cross universal joint 3-8 on the cross universal joint 3-8.
The chest displacement sensor units 3-5 are four, the left side and the right side of the second rib of the chest are two, the left side and the right side of the fifth rib of the chest are two, and the chest displacement sensor units 3-5 adopt three angular displacement sensors 3-5-5 to form a double-rod device for measuring the stressed space displacement of the chest ribs. The specific structure of the chest displacement sensor unit 3-5 is shown in fig. 4-2, and it includes: 3-5-1 parts of output end potentiometer base, 3-5-2 parts of pull rod front end, 3-5-3 parts of first bearing, 3-5-4 parts of potentiometer connecting rod base, 3-5-5 parts of angular displacement sensor, 3-5-6 parts of pressing strip, 3-5-7 parts of pull rod rear end, 3-5-8 parts of fixed end mounting adapter block, 3-5-9 parts of second bearing and 3-5-10 parts of mounting base.
Three angular displacement sensors 3-5-5 are provided, wherein one angular displacement sensor 3-5-5 is fixed on a potentiometer connecting rod seat 3-5-4, and the potentiometer connecting rod seat 3-5-4 and an output end potentiometer base 3-5-1 are respectively arranged on an outer inner ring of a first bearing 3-5-3; the front end 3-5-2 of the pull rod is fixed on the potentiometer connecting rod seat 3-5-4 through a set screw, and the rear end 3-5-7 of the pull rod is fixed on the potentiometer connecting rod seat 3-5-4 and the potentiometer base 3-5-1 adjacent to the potentiometer connecting rod seat through the set screw; the other two angular displacement sensors 3-5-5 are respectively arranged on the fixed end mounting transfer block 3-5-8 and the mounting base 3-5-10; the fixed end mounting adapter block 3-5-8 is connected with the potentiometer connecting rod seat 3-5-4 through a first bearing 3-5-3, and the fixed end mounting adapter block 3-5-8 is mounted on a mounting base 3-5-10 with a second bearing 3-5-9. The three angular displacement sensors 3-5-5 jointly realize three-way measurement of the chest displacement sensor. The end displacement of the front end 3-5-2 of the pull rod of the chest displacement sensor unit 3-5 can be determined from the three-way measurement parameters. The basic working principle is as follows:
the three-dimensional coordinates of the tail end of the front end 3-5-2 of the pull rod can be obtained through calculation.
The output end potentiometer base 3-5-1 and the potentiometer connecting rod seat 3-5-4 are respectively arranged on the inner ring and the outer ring of the first bearing 3-5-3, so that the rotation of the output end potentiometer base 3-5-1 and the potentiometer connecting rod seat 3-5-4 is changed into the rolling of the bearing; an angular displacement sensor 3-5-5 is fixed on the potentiometer connecting rod seat 3-5-4 through a pressing bar 3-5-6.
Similarly, the fixed end mounting adapter block 3-5-8 is connected with the potentiometer connecting rod seat 3-5-4 through the first bearing 3-5-3, and the fixed end mounting adapter block 3-5-8 is mounted on a mounting base 3-5-10 with a second bearing 3-5-9; one angular displacement sensor 3-5-5 installed at the fixed end is fixed on a fixed end installation switching block 3-5-8 through a pressing strip 3-5-6, and the other angular displacement sensor 3-5-5 is fixed on an installation base 3-5-10 through a pressing strip 3-5-6.
The parameter outputs of the three angular displacement sensors 3-5-5 can be processed to represent the tail end displacement of the front end pull rod 3-5-2 of the chest displacement sensor unit 3-5.
The chest displacement sensor can measure spatial displacement and has three-direction freedom degrees, one angle displacement sensor 3-5-5 and the front end pull rod 3-5-2 form a rotating mechanism in one direction, and the other two angle displacement sensors 3-5-5 and the rear end pull rod 3-5-7 form two-direction rotating mechanisms for measuring the coordinates, time and displacement of four different points of the thorax.
The rotating mechanism is formed by connecting a potentiometer base 3-5-1 and a potentiometer connecting rod base 3-5-4 through a first bearing 3-5-3, and the mutual rotation of the potentiometer base 3-5-1 and the potentiometer connecting rod base is converted into the rolling of an inner ring and an outer ring of the bearing.
Four, the upper abdomen assembly 4
The upper abdominal assembly 4 is formed from a personified abdominal material that is substantially as soft as the person's upper abdomen. The upper abdomen assembly 4 is stacked on the lower abdomen assembly 5 and is packaged into a whole by adopting an abdomen cloth bag 5-7. The upper abdomen support is arranged on the lumbar vertebra displacement device base to support the upper abdomen. The middle of the upper abdomen is provided with a hole, so that the upper abdomen displacement sensor unit is convenient to install. The upper abdomen displacement sensor unit adopts 2 angular displacement sensors and 1 pull rod displacement sensor to realize the measurement of the spatial displacement of the upper abdomen after being stressed.
The structure of the epigastric assembly 4 is shown in fig. 5-1, and it includes: an upper abdomen part matching plate 4-1, an upper abdomen cross universal joint 4-2, an upper abdomen internal foam front layer 4-3, an upper abdomen internal foam middle layer 4-4, an upper abdomen internal foam rear layer 4-5, an upper abdomen support 4-6, an upper abdomen displacement sensor mounting plate 4-7 and an upper abdomen displacement sensor unit 4-8.
The upper abdomen part matching plate 4-1 and the upper abdomen part cross universal joint 4-2 are locked by a nut, the upper abdomen part cross universal joint 4-2 is connected with the tail end of a pull rod displacement sensor 4-8-4 shaft in the upper abdomen part displacement sensor unit 4-7, and the pull rod displacement sensor 4-8-4 is used for measuring the forced displacement of the upper abdomen part. The upper abdomen displacement sensor unit 4-8 is fixed on the left and right sides of the lumbar vertebra displacement device base 6-2-3 of the lumbar vertebra 6-2 through an upper abdomen displacement sensor mounting plate 4-7. The upper abdomen support 4-6 is fixed in front of the lumbar vertebra displacement device base 6-2-3 of the lumbar vertebra 6-2 through screws and used for limiting the upper abdomen. The upper abdomen internal foam front layer 4-3 and the upper abdomen internal foam middle layer 4-4 are formed by polyurethane foam, the mechanical property and the softness degree of the upper abdomen internal foam front layer are basically consistent with those of the human abdomen, and the upper abdomen internal foam rear layer 4-5 is made of a rubber plate. The upper abdomen internal foam front layer 4-3, the upper abdomen internal foam middle layer 4-4 and the upper abdomen internal foam rear layer 4-5 are bonded together through glue, the outer edge of the upper abdomen internal foam front layer 4-3 is arc-shaped, the periphery is straight edge, and the upper abdomen internal foam rear layer 4-5 is limited by the upper abdomen support 4-6. The upper abdomen internal foam front layer 4-3, the upper abdomen internal foam middle layer 4-4, the upper abdomen internal foam rear layer 4-5 and the upper abdomen support 4-6 are provided with holes at two sides, so that the upper abdomen displacement sensor unit 4-8 can be conveniently installed.
The upper abdominal displacement sensor unit 4-8 is constructed as shown in fig. 5-2, and includes: 4-8-1 parts of an upper abdomen angular displacement sensor fixing block, 4-8-2 parts of an upper abdomen pivot cover plate, 4-8-3 parts of an upper abdomen pull rod displacement sensor lower clamping block, 4-8-5 parts of an upper abdomen pull rod displacement sensor upper clamping block, 4-8-4 parts of an upper abdomen pull rod displacement sensor, 4-8-6 parts of an upper abdomen pivot block, 4-8-7 parts of an upper abdomen angular displacement sensor clamping block, 4-8-8 parts of a large flat pad, 4-8-9 parts of an upper abdomen angular displacement sensor base, 3-5-5 parts of an angular displacement sensor and 3-5-9 parts of a second bearing.
The upper abdomen pull rod displacement sensor 4-8-4 is fixed by an upper abdomen pull rod displacement sensor lower clamping block 4-8-3 and an upper abdomen pull rod displacement sensor upper clamping block 4-8-5; the lower clamping block 4-8-3 of the upper abdomen pull rod displacement sensor and the upper clamping block 4-8-5 of the upper abdomen pull rod displacement sensor are arranged in the upper abdomen pivot block 4-8-6 and the upper abdomen pivot cover plate 4-8-2 through the second bearing 3-5-9, and the lower clamping block 4-8-3 of the upper abdomen pull rod displacement sensor, the upper clamping block 4-8-5 of the upper abdomen pull rod displacement sensor and the upper abdomen pull rod displacement sensor 4-8-4 can rotate in the upper abdomen pivot; the angle of the motion of the upper abdomen pull rod displacement sensor 4-8-4 along the Z axis can be recorded by the angle displacement sensor 3-5-5 fixed on the upper abdomen pivot cover plate 4-8-2 through the upper abdomen angle displacement sensor fixed block 4-8-1. The upper abdomen pivot 4-8-6 is arranged on an angle displacement sensor 3-5-5 shaft fixed on an upper abdomen angle displacement sensor base 4-8-9 and an upper abdomen angle displacement sensor clamping block 4-8-7, a brass large flat pad 4-8-8 for adjusting clearance and lubricating and reducing friction is arranged on the shaft, the angle displacement sensor 3-5-5 can measure the rotation angle of the pivot along the Y axis, and the displacement in the X axis direction is measured by a pull rod displacement sensor.
The three-axis epigastric position displacement sensor unit 4-8 measures the spatial displacement of the abdomen, and one pull rod displacement sensor 4-8-4 is fixed by clamping blocks 4-8-3 and 4-8-5 to measure the displacement of the abdomen in the X direction; an angle displacement sensor 3-5-5 fixed by an upper abdomen angle displacement sensor clamping block 4-8-7 and an upper abdomen angle displacement sensor base 4-8-9 is used for measuring the displacement of the abdomen impact in the Z direction; the angular displacement sensor 3-5-5 fixed by the upper abdomen angular displacement sensor fixing block 4-8-1 is used for measuring the displacement in the Y direction. The data fed back by the pull rod displacement sensor and the angle displacement sensor can express the displacement in each direction generated by the impact on the upper abdomen through formula operation.
Five, lower abdomen assembly 5
As shown in figure 6, the lower abdomen assembly 5 is fixed on the side of the lumbar vertebra mounting block 6-2-5 of the lumbar assembly 6 by the left and right sensor welding bracket assemblies 5-2, 5-3. The lower abdomen assembly 5 adopts THOR lower abdomen and is formed by anthropomorphic abdomen material, and the softness degree of the lower abdomen assembly is basically consistent with that of the lower abdomen of a person. The lower abdomen assembly 5 adopts a single-shaft stay wire displacement sensor 5-8 to measure the displacement compression amount of the lower abdomen.
The lower abdominal section assembly 5 is structured as shown in fig. 6, and the lower abdominal section assembly 5 includes: the sensor comprises an internal welding component 5-1, a left sensor welding mounting bracket assembly 5-2, a right sensor welding mounting bracket assembly 5-3, a lower abdomen rear foam layer 5-4, a lower abdomen front foam layer 5-5, a lower abdomen distributing plate 5-6, an abdomen cloth bag 5-7 and a stay wire displacement sensor 5-8.
The lower abdomen assembly 5 is fixed on the lumbar assembly 6 through a left sensor welding mounting bracket assembly 5-2 and a right sensor mounting bracket assembly 5-3.
The built-in welding component 5-1 and the left sensor welding mounting bracket assembly 5-2 are connected through screws, and the right sensor mounting bracket assembly 5-3 is connected through screws; the other side of the built-in welding component 5-1 is sleeved with a lower abdomen rear foam layer 5-4. The lower abdomen rear foam layer 5-4 and the lower abdomen front foam layer 5-5 are arranged in the abdomen cloth bag 5-7, and the lower abdomen foam layer (comprising the lower abdomen rear foam layer 5-4 and the lower abdomen front foam layer 5-5) is fixed by a pull rope of the pull wire displacement sensor 5-8 sequentially passing through the abdomen cloth bag 5-7 and the inner hole of the lower abdomen distribution plate 5-6. The two stay wire displacement sensors 5-8 are respectively fixed on the inner sides of the left sensor welding and mounting bracket assembly 5-2 and the right sensor welding and mounting bracket assembly 5-3, and the stay wire displacement sensors 5-8 can measure the displacement in the X direction generated by the impact on the lower abdomen.
The lower abdomen part has the functions of the lower abdomen part of the THOR dummy, the outer edge of the front foam layer 5-5 of the lower abdomen part is arc-shaped, and the periphery is a straight edge. The left sensor welding and mounting bracket assembly 5-2 and the right sensor welding and mounting bracket assembly 5-3 are used for mounting the stay wire displacement sensor 5-8, measuring the displacement of the lower abdomen part under impact, and the upper abdomen part and the lower abdomen part are packaged by adopting an abdomen cloth bag 5-7.
Six, lumbar vertebra assembly 6
The lumbar vertebra assembly 6 adopts THOR lumbar vertebra, the lower part of the lumbar vertebra assembly 6 is fixed on a sitting posture pelvis 7-1 or a standing posture pelvis 7-6 of a hip assembly 7 through a pelvis connecting plate by screws, and the upper part of the lumbar vertebra assembly is connected with a vertebra assembly 3-3 of a chest assembly 3 through a chest adapter by screws.
The lower lumbar assembly 6 is shown in figure 7-1 and comprises: a chest adapter assembly 6-1 and a lumbar vertebra 6-2.
The chest adapter assembly 6-1 is fixed on the lumbar vertebra 6-2 through screws, and the lumbar vertebra 6-2 is connected with the sitting position pelvis or the standing position pelvis 7-6 of the hip assembly 7 through the pelvis connecting plate 6-2-7.
The structure of the chest adapter assembly 6-1 is shown in fig. 7-2, and the chest adapter assembly is composed of a chest adapter welding part 6-1-1 and a chest adapter balancing weight 6-1-2, wherein the chest adapter balancing weight 6-1-2 is installed on the chest adapter welding part 6-1-1 through a countersunk head screw, and three acceleration sensors can be installed on the chest adapter welding part 6-1-1. The chest adapter welding part 6-1-1 is connected with a vertebral assembly 3-3 through a screw and connected with a lumbar dislocation left star wheel 6-2-1 through a screw.
The lumbar vertebra 6-2 is a sub-assembly of the lumbar vertebra assembly 6 and is connected with the hip, the structure of the lumbar vertebra 6-2-6-2-3-6-2-4-6-5-6-7-6-2-7-6-3-6-2-4-6-7-6-3-6-4-6-2-7-6-3-6-2-4-6-3-6-2-4-6-4-6-7-6-2-7-6-2-7-4-2-4-6-2-3-2-3-6-2-3-6-2-7-2-6-7-6-2-7-2-7-6-2-7-2-7-2-6-2-4-2-one.
The lumbar vertebra displacement left star wheel 6-2-1 is installed on the lower portion of the chest adapter assembly 6-1 through screws, the lumbar vertebra displacement right star wheel 6-2-2 is installed on the upper portion of a lumbar vertebra displacement device base through screws, the lumbar vertebra displacement left star wheel 6-2-1 and the lumbar vertebra displacement right star wheel 6-2-2 are locked through screws, and the angle is adjusted through tooth meshing between the two through screws, so that the switching between a sitting posture and a standing posture is achieved. The lumbar vertebra flexion joint assembly 6-2-4 is a straight lumbar vertebra and is formed by a metal component lumbar vertebra top plate, a lumbar vertebra bottom plate and rubber glue injection, the lumbar vertebra is tensioned by two steel wire ropes, the upper part of the lumbar vertebra flexion joint assembly is connected to a lumbar vertebra displacement device base 6-2-3 through screws, and the lower part of the lumbar vertebra flexion joint assembly is connected to a lumbar vertebra installation block 6-2-5 through screws. The lower part of the lumbar flexion joint assembly 6-2-4 is connected with a lumbar force sensor (or a lumbar force sensor replacement) 6-2-6 through a lumbar mounting block 6-2-5, the lumbar force sensor 6-2-6 measures the lumbar force, and the lumbar force sensor 6-2-6 is arranged on a pelvic bone connecting plate 6-2-7 connected with a pelvic bone. The inclination angle of the lumbar vertebra installation block 6-2-5 ensures that the axis of the lower abdomen pull wire sensor 5-8 is horizontal to the hip sitting posture state of the Hybrid III-50th-RS dummy, and the angle can be determined to be 5 degrees.
The upper end of the lumbar vertebra flexion joint assembly 6-2-4 is connected with a lumbar vertebra deflection right star wheel 6-2-2 through a lumbar vertebra deflection device base 6-2-3, and the lumbar vertebra deflection left star wheel 6-2-1 and the lumbar vertebra deflection right star wheel 6-2-2 are mutually occluded to form a lumbar vertebra deflection device. The lower end of the lumbar flexion joint assembly 6-2-4 is connected with a lumbar force sensor (or a lumbar force sensor replacement) 6-2-6 through a lumbar mounting block 6-2-5, and the lumbar force sensor (or the lumbar force sensor replacement) 6-2-6 is installed on a pelvic bone connecting plate 6-2-7 connected with a pelvic bone to jointly form the lumbar vertebra 6-2 of the Hybrid III-50th-RS dummy. The chest adapter assembly 6-1 consists of a chest adapter welding assembly 6-1-1 and a chest adapter balancing weight 6-1-2, and is connected with a spine assembly 3-3 of Hybrid III-50th, and the lumbar vertebra 6-2 is connected with a sitting posture pelvis 7-1 or a standing posture pelvis 7-6 through a pelvis connecting plate 6-2-7.
Sixthly, a hip assembly 7
The hip assembly 7 is composed of an aluminum framework and rubber skin, a pelvis (a sitting pelvis 7-1 in a sitting posture state or a standing pelvis 7-6 in a standing posture state) is connected with the pelvis connecting plate 6-2-7 through screws, and a femur assembly 7-3 and a thigh framework 9-1 are locked through shaft shoulder screws.
The structure of the Hybrid III-50th-RS dummy in the sitting posture state is shown in fig. 8-1, in the sitting posture state, the pelvis of the Hybrid III-50th-RS dummy adopts a sitting posture pelvis 7-1, and the hip assembly 7 at the moment comprises: 7-1 parts of sitting position pelvis, 7-2 parts of sitting position hip skin and 7-3 parts of femoral assembly. The sitting posture pelvis 7-1 is formed by cutting off the upper part of the pelvis of the existing Hybrid III-50th dummy, and an H point mounting insert block is arranged on the pelvis and used for calibrating the chest of the Hybrid III-50th-RS dummy; the sitting position hip skin 7-2 is formed by cutting off the upper part of the sitting position hip skin of the existing Hybrid III-50th dummy; so as to ensure that the left sensor welding and mounting bracket assembly 5-2 and the right sensor welding and mounting bracket assembly 5-3 are not interfered with the sitting position pelvis 7-1 and the sitting position hip skin 7-2; the femoral assembly 7-3 is arranged on two side edges of the sitting position pelvis 7-1 through screws, and the surface of the sitting position pelvis 7-1 covers the hip skin 7-2 of the sitting position.
The structure of the Hybrid III-50th-RS dummy in the standing posture state is shown in figure 8-2, and in the standing posture state, the pelvic bone of the Hybrid III-50th-RS dummy adopts a standing posture pelvic bone 7-6. The hip assembly 7 in this case comprises: 7-3 parts of a femoral assembly, 7-4 parts of left hip skin, 7-5 parts of right hip skin, 7-6 parts of a standing pelvis and 7-7 parts of standing hip skin. The standing pelvic bone 7-6 is formed by cutting off the upper part and the lower part of the pelvic bone of the Hybrid III-50th dummy in the existing standard in a modified mode, and the standing hip skin 7-7 is formed by cutting off the upper part of the standing hip of the Hybrid III-50th dummy in the existing standard in a modified mode so as to ensure that the left sensor welding and mounting bracket assembly 5-2 and the right sensor welding and mounting bracket assembly 5-3 are not interfered with the standing pelvic bone 7-6 and the standing hip skin 7-7; the femur assembly 7-3 is arranged at two side edges of the standing pelvis 7-6 through screws, and the surface of the standing pelvis 7-6 is covered with the standing hip skin 7-7; the femur assembly 7-3 is covered with a left hip skin 7-4 and a right hip skin 7-5.
According to the utility model, the existing standard Hybrid III-50th dummy pelvis, the sitting position hip skin, the existing standard Hybrid III-50th dummy pelvis and the existing interference part of the sensor welding mounting bracket is cut off by modifying the sitting position pelvis 7-1, the sitting position hip skin 7-2, the standing position pelvis 7-6 and the standing position hip skin 7-7, so that the interference is avoided.
Seven, arm assembly 8
The hand assembly 8 is arranged on the shoulder assembly 3-2 of the dummy chest assembly 3 through an upper arm 8-5 inner frame upper arm pivot, and comprises a left arm assembly and a right arm assembly which are symmetrical in structure. The following description will be given of the structure of the left arm assembly.
The left arm assembly is shown in fig. 9, and includes: 8-1 parts of hands, 8-2 parts of wrist rotation connecting pieces, 8-3 parts of lower arms, 8-4 parts of upper arm connecting pieces, 8-5 parts of upper arms, 8-6 parts of washers at upper elbow joints and 8-7 parts of sleeves at the upper elbow joints.
The lower arm 8-3 and the upper arm 8-5 are both composed of metal skeletons and rubber skins, the upper arm 8-5 can rotate around the shoulders, the lower arm 8-3 and the upper arm 8-5 can rotate, the tightness can be adjusted, and a polyurethane protective pad is arranged at the elbow.
The wrist rotating connecting piece 8-2 is connected with the lower arm 8-3 and the hand 8-1 through bolt locking. The lower arm 8-3 is connected with the upper arm 8-5 through an upper arm connecting piece 8-4. An upper elbow joint washer 8-6 and an elbow joint sleeve 8-7 are arranged on the upper arm connecting piece 8-4.
Eight, leg assembly 9
The leg assembly 9 is locked on the femur assembly 7-3 of the hip assembly 7 through a thigh framework by screws and comprises a left leg assembly and a right leg assembly which are consistent in structure. The structure of the left leg assembly will be described below by way of example only.
The big leg and the small leg of the leg assembly 9 are both composed of a steel skeleton and rubber skin, a force sensor can be additionally arranged on the thigh, and an upper tibia force sensor and a lower tibia force sensor can be additionally arranged on the shank. The leg assembly 9 is constructed as shown in fig. 10, and includes: 9-1 parts of thigh skeletons, 9-2 parts of force sensor substitutes, 9-3 parts of inner side sliding blocks, 9-4 parts of knee skeletons, 9-5 parts of knee embedded rubber, 9-6 parts of shank skeletons, 9-7 parts of ankle bone assemblies, 9-8 parts of feet, 9-9 parts of foot pads, 9-10 parts of shank skins, 9-11 parts of outer side sliding blocks, 9-12 parts of knee skins and 9-13 parts of thigh skins.
The thigh skeleton 9-1 is placed in the thigh skin 9-13, and the force sensor substitute 9-2 is connected with the thigh skeleton 9-1 and the knee skeleton 9-4; the knee framework 9-4 and the knee embedded rubber 9-5 are arranged in the knee skin 9-12, the lateral sliding block 9-11 and the medial sliding block 9-3 are arranged in the knee framework 9-4 and locked by screws. The lower leg skeleton 9-6 and the ankle bone assembly 9-7 are connected by bolts. The ankle bone assembly 9-7 is attached to the foot 9-8 and is bolted down. The foot pads 9-9 are flatly placed in the holes below the feet 9-8. The skin of the lower leg 9-10 is arranged on the lower leg skeleton 9-6.
Although the present invention has been described in detail with reference to the preferred embodiments thereof, it should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of exemplary implementations of the present invention, and are not limitative of the scope of the present invention. The details of the embodiments are not to be interpreted as limiting the scope of the utility model, and any obvious changes, such as equivalent alterations, simple substitutions and the like, based on the technical solution of the utility model, can be interpreted without departing from the spirit and scope of the utility model.
Claims (11)
1. Hybrid III-50 for train secondary collision testth-an RS dummy, characterized in that it comprises:
a head assembly (1), a neck assembly (2), a chest assembly (3), an upper abdomen assembly (4), a lower abdomen assembly (5), a lumbar assembly (6), a hip assembly (7), an arm assembly (8) and a leg assembly (9);
the head assembly (1) comprises a neck rotation pin (1-6), the neck assembly (2) comprises a neck joint (2-3); the head assembly (1) is screwed into the neck joint (2-3) through the neck rotating pin (1-6) to realize connection with the neck assembly (2);
the thoracic assembly (3) comprises a vertebral assembly (3-3); the lumbar vertebra assembly (6) comprises a chest adapter (6-1); the chest assembly (3) is upwards connected with the neck assembly (2) through the vertebral assembly (3-3) and downwards connected with the chest adapter (6-1) of the lumbar assembly (6);
the upper abdomen assembly (4) is stacked on the lower abdomen assembly (5) and is packaged into a whole by an abdomen cloth bag (5-7); the lower abdomen assembly (5) is fixed on the lumbar vertebra assembly (6) through a left sensor welding bracket assembly (5-2) and a right sensor welding bracket assembly (5-3);
the upper part of the lumbar vertebra assembly (6) is connected with a vertebra assembly (3-3) of the chest assembly (3) through a chest adapter (6-1), and the lower part of the lumbar vertebra assembly is fixed on a pelvis of the hip assembly (7) through a pelvis connecting plate;
the arm assembly (8) is locked on the shoulder assembly of the chest assembly (3);
the leg assembly (9) is fixed on the hip assembly (9) through a thigh framework (9-1) by screws.
2. The Hybrid III-50 for the secondary train collision test as claimed in claim 1th-an RS dummy, characterized in that the head assembly (1) further comprises:
the skull bone comprises posterior cap bone skin (1-1), a skull posterior cap (1-2), a skull (1-3), skull skin (1-4) and a sensor mounting bracket (1-5);
the posterior cover bone skin (1-1) is arranged on the skull posterior cover (1-2); skull skin (1-4) is arranged on the skull (1-3), and a sensor mounting bracket (1-5) is arranged in the skull (1-3); the sensor mounting bracket (1-5) is provided with three acceleration sensors and a pin hole for mounting a neck rotation pin (1-6); the head assembly (1) is screwed out of the pin hole of the head sensor mounting bracket (1-5) through the neck rotating pin (1-6) and then is connected with the neck assembly (2).
3. The Hybrid III-50 for the secondary train crash test as claimed in claim 1th-an RS dummy, characterized in that the neck assembly (2) further comprises:
the neck adjusting upper bracket (2-1), the neck (2-2), the neck joint rubber block (2-4) and the neck steel cable (2-5);
the neck adjusting upper bracket (2-1) is arranged at the lower part of the neck (2-2); the neck joint (2-3) is arranged at the upper part of the neck (2-2), and the neck joint rubber block (2-4) is arranged on the upper surface of the neck joint (2-3); the neck steel cable (2-5) sequentially penetrates through the neck joint (2-3), the neck (2-2) and the central hole of the neck adjusting upper bracket (2-1) and is locked by a nut;
the neck assembly (2) is matched and mounted with the neck rotating pin (1-6) of the head assembly (1) through a neck joint (2-3) to realize connection with the head assembly (1).
4. The Hybrid III-50 for the secondary train collision test as claimed in claim 1th-an RS dummy, characterized in that the chest assembly (3) further comprises:
the chest displacement sensor comprises chest skin (3-1), shoulder assemblies (3-2), rib assemblies (3-4), chest displacement sensor units (3-5), L-shaped supports (3-6), flat type supports (3-7), cross universal joints (3-8) and connecting bolts (3-9);
the shoulder assembly (3-2) is arranged on lugs at two sides of the vertebral assembly (3-3); the rib assembly (3-4) is arranged on the back of the vertebral assembly (3-3); the two pairs of chest displacement sensor units (3-5) are respectively fixed on left and right vertebral column side plates of the vertebral column assembly (3-3) through a left and right flat plate type support (3-7) and an L-shaped support (3-6); a pull rod at the front end of the chest displacement sensor unit (3-5) is connected with a cross universal joint (3-8); the connecting bolts (3-9) penetrate through the rib assemblies (3-4) to fix the cross universal joints (3-8) on the rib assemblies (3-4).
5. The Hybrid III-50 for the train secondary collision test according to claim 4th-an RS dummy characterized by:
wherein a pair of the chest displacement sensor units (3-5) are respectively arranged at the left side and the right side of a second rib of the chest; and the other pair of chest displacement sensor units (3-5) are respectively arranged at the left and right sides of the fifth rib of the chest.
6. The Hybrid III-50 for the secondary train collision test as claimed in claim 4 or 5th-an RS dummy, characterized in that the chest displacement sensor unit (3-5) comprises:
an output end potentiometer base (3-5-1), a pull rod front end (3-5-2), a first bearing (3-5-3), a potentiometer connecting rod base (3-5-4), an angular displacement sensor (3-5-5), a pull rod rear end (3-5-7), a fixed end mounting adapter block (3-5-8), a second bearing (3-5-9) and a mounting base (3-5-10);
three angular displacement sensors (3-5-5) are arranged;
one of the angular displacement sensors (3-5-5) is fixed on a potentiometer connecting rod seat (3-5-4), and the potentiometer connecting rod seat (3-5-4) and an output end potentiometer base (3-5-1) are respectively arranged on an outer inner ring of a first bearing (3-5-3); the front end (3-5-2) of the pull rod is fixed on the potentiometer connecting rod seat (3-5-4), and the rear end (3-5-7) of the pull rod is fixed on the potentiometer connecting rod seat (3-5-4) and the potentiometer base (3-5-1) which are adjacent;
the other two angular displacement sensors (3-5-5) are respectively arranged on the fixed end installation transfer block (3-5-8) and the installation base (3-5-10); the fixed end mounting adapter block (3-5-8) is connected with the potentiometer connecting rod seat (3-5-4) through a first bearing (3-5-3), and the fixed end mounting adapter block (3-5-8) is mounted on a mounting base (3-5-10) with a second bearing (3-5-9).
7. The Hybrid III-50 for the secondary train crash test as claimed in claim 1th-an RS dummy, characterized in that said upper abdominal assembly (4) comprises:
an upper abdomen part matching plate (4-1), an upper abdomen cross universal joint (4-2), an upper abdomen internal foam front layer (4-3), an upper abdomen internal foam middle layer (4-4), an upper abdomen internal foam rear layer (4-5), an upper abdomen support (4-6), an upper abdomen displacement sensor mounting plate (4-7) and an upper abdomen displacement sensor unit (4-8);
the upper abdomen part matching plate (4-1) and the upper abdomen part cross universal joint (4-2) are locked by a nut, and the upper abdomen part cross universal joint (4-2) is connected with the shaft tail end of a pull rod displacement sensor (4-8-4) in an upper abdomen part displacement sensor unit (4-8); the upper abdomen displacement sensor unit (4-8) is fixed on the left side and the right side of a lumbar vertebra displacement device base (6-2-3) of the lumbar vertebra (6-2) through an upper abdomen displacement sensor mounting plate (4-7); the upper abdomen support (4-6) is fixed in front of the lumbar vertebra displacement device base (6-2-3) of the lumbar vertebra (6-2) and used for limiting the upper abdomen; the upper abdomen internal foam front layer (4-3), the upper abdomen internal foam middle layer (4-4) and the upper abdomen internal foam rear layer (4-5) are bonded together; the foam back layer (4-5) inside the upper abdomen is limited by the upper abdomen support (4-6).
8. The Hybrid III-50 for the secondary train collision test as claimed in claim 7th-an RS dummy, characterized in that said epigastric displacement sensor unit (4-8) comprises:
an upper abdomen angular displacement sensor fixing block (4-8-1), an upper abdomen pivot cover plate (4-8-2), an upper abdomen pull rod displacement sensor lower clamping block (4-8-3), an upper abdomen pull rod displacement sensor upper clamping block (4-8-5), an upper abdomen pull rod displacement sensor (4-8-4), an upper abdomen pivot block (4-8-6), an upper abdomen angular displacement sensor clamping block (4-8-7), an upper abdomen angular displacement sensor base (4-8-9), an angular displacement sensor (3-5-5) and a second bearing (3-5-9);
the upper abdomen pull rod displacement sensor (4-8-4) is fixed by the upper abdomen pull rod displacement sensor lower clamping block (4-8-3) and the upper abdomen pull rod displacement sensor upper clamping block (4-8-5) and is used for measuring the displacement of the upper abdomen assembly (4) in the X direction; the lower clamping block (4-8-3) of the upper abdomen pull rod displacement sensor and the upper clamping block (4-8-5) of the upper abdomen pull rod displacement sensor are arranged in the upper abdomen pivot block (4-8-6) and the upper abdomen pivot cover plate (4-8-2) through second bearings (3-5-9);
the upper abdomen pivot (4-8-6) is arranged on the shaft of the angular displacement sensor (3-5-5) in the upper abdomen angular displacement sensor base (4-8-9), and the angular displacement sensor (3-5-5) is fixed by the upper abdomen angular displacement sensor fixing block (4-8-1) and is used for measuring the rotation angle of the pivot along the Z axis;
an angular displacement sensor (3-5-5) fixed by an upper abdomen angular displacement sensor clamping block (4-8-7) and an upper abdomen angular displacement sensor base (4-8-9) is used for measuring the displacement of the abdomen impact in the Z direction.
9. The Hybrid III-50 for the secondary train crash test as claimed in claim 1th-an RS dummy, characterized in that said lower abdominal assembly (5) comprises:
the device comprises an internal welding component (5-1), a left sensor welding and mounting bracket assembly (5-2), a right sensor welding and mounting bracket assembly (5-3), a lower abdomen rear foam layer (5-4), a lower abdomen front foam layer (5-5), a lower abdomen distribution plate (5-6), an abdomen cloth bag (5-7) and a stay wire displacement sensor (5-8);
the built-in welding component (5-1) is connected with the left sensor welding mounting bracket assembly (5-2) and the right sensor mounting bracket assembly (5-3); the other side of the built-in welding component (5-1) is sleeved with a lower abdomen rear foam layer (5-4);
two stay wire displacement sensors (5-8) for measuring the displacement in the X direction generated by the impact on the lower abdomen are respectively fixed at the inner sides of the left sensor welding and mounting bracket assembly (5-2) and the right sensor welding and mounting bracket assembly (5-3); the stay cord of the stay cord displacement sensor (5-8) sequentially penetrates through the inner holes of the abdomen cloth bag (5-7) and the lower abdomen distribution plate (5-6), and the lower abdomen rear foam layer (5-4) and the lower abdomen front foam layer (5-5) which are arranged in the abdomen cloth bag (5-7) are fixed through nuts;
the lower abdomen assembly (5) is fixed on the lumbar assembly (6) through a left sensor welding mounting bracket assembly (5-2) and a right sensor mounting bracket assembly (5-3).
10. The Hybrid III-50 for the secondary train crash test as claimed in claim 1th-an RS dummy, characterized in that said lumbar assembly (6) further comprises:
lumbar vertebrae (6-2);
the lumbar vertebra (6-2) is fixed on the chest adapter assembly (6-1);
the chest adapter assembly (6-1) comprises a chest adapter welding part (6-1-1) and a chest adapter balancing weight (6-1-2); the chest adapter counterweight block (6-1-2) is arranged on a chest adapter welding piece (6-1-1), and an acceleration sensor is arranged on the chest adapter welding piece (6-1-1);
the lumbar vertebrae (6-2) comprises: the lumbar vertebra displacement device comprises a lumbar vertebra displacement left star wheel (6-2-1), a lumbar vertebra displacement right star wheel (6-2-2), a lumbar vertebra displacement device base (6-2-3), a lumbar vertebra flexion joint assembly (6-2-4), a lumbar vertebra mounting block (6-2-5), a lumbar vertebra force sensor (6-2-6) and a pelvis connecting plate (6-2-7);
the lumbar vertebra displacement left star wheel (6-2-1) is arranged at the lower part of the chest adapter assembly (6-1), the lumbar vertebra displacement right star wheel (6-2-2) is arranged at the upper part of a lumbar vertebra displacement device base (6-2-3), and the angle between the lumbar vertebra displacement left star wheel (6-2-1) and the lumbar vertebra displacement right star wheel (6-2-2) is adjusted through tooth engagement, so that the switching between a sitting posture and a standing posture is realized;
the upper end of the lumbar vertebra flexion joint assembly (6-2-4) is connected with a lumbar vertebra deflection right star wheel (6-2-2) through a lumbar vertebra deflection device base (6-2-3), and the lower part of the lumbar vertebra flexion joint assembly is connected with a lumbar vertebra force sensor (6-2-6) for measuring lumbar vertebra force through a lumbar vertebra mounting block (6-2-5); the lumbar force sensor (6-2-6) is arranged on a pelvis connecting plate (6-2-7) connected with the pelvis; the lumbar vertebra (6-2) is connected with the pelvis of the hip assembly (7) through a pelvis connecting plate (6-2-7).
11. The Hybrid III-50 for the secondary train crash test as claimed in claim 1th-an RS dummy, characterized in that,
in a sitting position, the hip assembly (7) comprises: a sitting position pelvis (7-1), a sitting position hip skin (7-2) and a femur assembly (7-3); the pelvis (7-1) in the sitting position is in the existing standard Hybrid III-50thOn the basis of the dummy, the dummy is formed by cutting off the upper part of the pelvis and arranging an H point mounting insert block on the pelvis to calibrate the Hybrid III-50th-a chest of an RS dummy; hip skin (7-2) in sitting position is in the existing standard Hybrid III-50thThe upper part of hip skin of a sitting posture is cut off on the basis of the dummy, so that a left sensor welding and mounting bracket assembly (5-2) and a right sensor welding and mounting bracket assembly (5-3) are ensured not to interfere with a sitting posture pelvis (7-1) and the sitting posture hip skin (7-2); the femur assembly (7-3) is arranged on two side edges of the sitting position pelvis (7-1), and the surface of the sitting position pelvis (7-1) covers the sitting position hip skin (7-2);
alternatively, the first and second electrodes may be,
in the standing position, the hip assembly (7) comprises: a femur assembly (7-3), a left hip skin (7-4), a right hip skin (7-5), a standing pelvis bone (7-6) and a standing hip skin (7-7); the standing pelvic bone (7-6) is in the existing standard Hybrid III-50thThe artificial human is reformed by cutting off the upper part and the lower part of the pelvis, and the hip skin (7-7) in the standing posture is the skin of the existing standard Hybrid III-50thThe dummy is formed by cutting off the upper part of the standing hip on the basis of the dummy so as to ensure that a left sensor welding and mounting bracket assembly (5-2) and a right sensor welding and mounting bracket assembly (5-3) are not interfered with a standing pelvis bone (7-6) and a standing hip skin (7-7); the femur assembly (7-3) is arranged on two side edges of the standing pelvis bone (7-6), and the standing hip skin (7-7) is covered on the surface of the standing pelvis bone (7-6); the femur assembly (7-3) is covered with the left hip skin (7-4) and the right hip skin (7-5).
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| CN112432795B (en) * | 2020-12-17 | 2022-10-18 | 中国标准化研究院 | Dummy for children |
| CN112729744B (en) * | 2021-01-07 | 2022-10-18 | 上海中氐实业股份有限公司 | Integral pedestrian protection dummy design method for collision experiment |
| CN113295364B (en) * | 2021-04-26 | 2023-01-10 | 中汽研汽车检验中心（天津）有限公司 | Dummy lumbar vertebra calibration method and device |
| CN114734465B (en) * | 2022-06-13 | 2022-09-16 | 中国汽车技术研究中心有限公司 | Arm for collision dummy, control method, apparatus, and storage medium |
| US11610514B1 (en) | 2022-09-29 | 2023-03-21 | China Automotive Technology And Research Center Co., Ltd | Arm for crash dummy, control method, device and storage medium |
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| US6982409B2 (en) * | 2002-02-21 | 2006-01-03 | First Technology Safety Systems, Inc. | Measurement system for ball joint of crash test dummy |
| KR100862254B1 (en) * | 2007-09-05 | 2008-10-09 | 현대자동차주식회사 | Pelvis assembly of a dummy model |
| CN203275061U (en) * | 2013-06-05 | 2013-11-06 | 锦州锦恒汽车安全系统有限公司 | Counterweight dummy for automobile crash test |
| US20160078784A1 (en) * | 2014-09-17 | 2016-03-17 | Humanetics Innovative Solutions, Inc. | Internal organ assembly for crash test dummy |
| CN104792545A (en) * | 2015-04-21 | 2015-07-22 | 湖南赛孚汽车科技有限公司 | Specification-adjustable dummy used for car crash testing |
| CN205192759U (en) * | 2015-07-20 | 2016-04-27 | 奇瑞汽车股份有限公司 | A women's counter weight dummy for bump test |
| US20170301262A1 (en) * | 2015-10-14 | 2017-10-19 | Humanetics Innovative Solutions, Inc. | Three-dimensional components and method of three-dimensional printing of components for crash test dummy |
| CN105352364B (en) * | 2015-12-10 | 2018-09-21 | 中国人民武装警察部队工程大学 | A kind of nonlethal weapon kinetic energy impact mechanical response test system |
| CN108507806B (en) * | 2018-03-14 | 2019-09-20 | 中南大学 | Train occupant's secondary collision pilot system and method |
| CN209894492U (en) * | 2019-07-08 | 2020-01-03 | 北京可维汇众科技发展有限公司 | Simple dummy for evaluating bottom impact damage |
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