Platform lifting, translation and rotation device and method suitable for dummy test

Abstract

The invention discloses a platform lifting, translating and rotating device and method suitable for dummy testing. The platform lifting, translating and rotating device comprises a platen, a linear sliding output part, a rotating motion output part and a lifting motion output part. The platform plate is used for installing a dummy to be tested or a dummy component; the linear sliding output part comprises a first sliding rail, a rack assembly, a gear assembly and a sliding power assembly, wherein the first sliding rail and the rack assembly are connected with the platform plate. The rotary motion output part comprises a supporting plate and a rotary power assembly; the rotating power assembly is fixed to the supporting plate and connected with a sliding block on the first sliding rail, and power generated by the rotating power assembly drives the direct sliding output part to integrally rotate in a reciprocating mode. And the lifting motion output part drives the direct sliding output part and the rotary motion output part to integrally lift up and down in a reciprocating manner under the action of a lifting power assembly.

Description

Technical Field

[0001] The present invention relates to the technical field of dummy detection and calibration, and particularly relates to a platform lifting, translating and rotating device and method suitable for dummy testing. Background Art

[0002] In the field of automobile safety performance detection, for the safety of personnel, both at home and abroad, a humanoid test device (i.e., a dummy) for automobile safety collision tests is used as a test tool, and corresponding response parameters are obtained through various sensors built into each part of the dummy. These data are used to reflect the degree of human body injury during an automobile collision, and thereby judge the safety performance of the automobile. At the same time, it provides a reference for researchers to improve the vehicle body structure and optimize the restraint system. In dummy detection, the dummy needs to be fixed. Generally, the dummy is installed and fixed on a platform, and then the corresponding part calibration test of the dummy is realized by adjusting the platform or the impact component.

[0003] However, the position adjustment device in the existing dummy calibration equipment in China is not universal and cannot meet the different experimental requirements such as different angles and heights for different models of dummies or dummy parts waiting for testing products during experiments. Therefore, there is a need to provide a platform lifting, translating and rotating device and method that is universal and suitable for dummy testing. Summary of the Invention

[0004] In order to solve the above problems in the prior art, the present invention provides a platform lifting, translating and rotating device and method suitable for dummy testing.

[0005] First, the present invention provides a platform lifting, translating and rotating device suitable for dummy testing, including: a platform plate, a linear sliding output part, a rotary motion output part, and a lifting motion output part; Wherein, the platform plate is used to install the dummy or dummy part to be tested; The linear sliding output part includes: a first slide rail and a rack and pinion assembly, a gear assembly, and a sliding power assembly connected to the platform plate; wherein, the sliding power assembly drives the rack and pinion assembly to pull the platform plate to perform direct reciprocating sliding under the guiding action of the first slide rail through the gear assembly; The rotary motion output part includes: a support plate and a rotary power assembly; the rotary power assembly is fixed on the support plate and is connected to the slider on the first slide rail, and the power generated by the rotary power assembly drives the entire linear sliding output part to perform reciprocating rotation; The lifting motion output part drives the entire linear sliding output part and the rotary motion output part to perform reciprocating lifting under the action of a lifting power assembly.

[0006] The lifting motion output part includes a lifting component, an intermediate rotating shaft, a second slide rail, a lead screw support component, a lead screw component, a small gear, a large gear, a lead screw transmission component, a third slide rail, a base plate, and a lifting power component. Among them, the second slide rail is installed below the support plate. The two lifting components are symmetrically arranged and connected into one body through the intermediate rotating shaft. One side of the upper end of the lifting component is slidably connected to the second slide rail, and the same side of the lower end of the lifting component is connected to the slider on the third slide rail. The third slide rail is fixedly installed on the base plate, and its slider is connected to the lead screw transmission component. The two groups of lead screw components are connected and fixed to the base plate through the lead screw support component. Both groups of lead screw components are equipped with large gears. The large gears are meshed and driven by the small gears under the action of the lifting power component, and then drive the slider on the third slide rail to slide through the lead screw component, driving the lifting component to perform reciprocating up and down lifting, thereby realizing the height adjustment of the platform plate.

[0007] The sliding power component includes a servo motor 1 and a planetary reducer. The rotating power component includes a rotary reducer component with a built-in motor. The lifting power component includes a servo motor 2 and a worm and worm gear reducer.

[0008] The lifting component is an X-shaped fork arm structure formed by the intersection of two support rods. The intermediate rotating shaft is connected to the middle connecting part of the two support rods. Connecting blocks are provided at the ends of the lifting component.

[0009] Secondly, the present invention also provides a platform lifting, translating and rotating method applicable to dummy testing, specifically: the power supply supplies electrical energy to the sliding power component, the rotating power component, and the lifting power component. Among them, the sliding power component drives the rack component through the gear component, and the gear component pulls the platform plate to perform linear reciprocating sliding under the guiding action of the first slide rail. The power generated by the rotating power component drives the entire direct sliding output part to perform reciprocating rotation. The lifting power component drives the entire connecting sliding output part and the rotating motion output part to perform reciprocating up and down lifting through the cooperation of the lifting motion output part.

[0010] The direct sliding output part includes a first slide rail connected to the platform plate, a rack component, a gear component, and a sliding power component. Among them, the sliding power component drives the rack component through the gear component to pull the platform plate to perform direct reciprocating sliding under the guiding action of the first slide rail. The rotating motion output part includes a support plate and a rotating power component. The rotating power component is fixed on the support plate and is connected to the slider on the first slide rail. The power generated by the rotating power component drives the entire direct sliding output part to perform reciprocating rotation. The lifting motion output part drives the direct sliding output part and the rotary motion output part to perform reciprocating up-and-down lifting as a whole under the action of the lifting power assembly.

[0011] The lifting motion output part includes a lifting assembly, an intermediate rotating shaft, a second slide rail, a lead screw support assembly, a lead screw assembly, a small gear, a large gear, a lead screw transmission assembly, a third slide rail, a bottom plate, and a lifting power assembly; wherein, the second slide rail is installed below the support plate, the two lifting assemblies are symmetrically arranged and connected into one body through the intermediate rotating shaft, the upper end of the lifting assembly is slidably connected to the second slide rail, the lower end of the lifting assembly is connected to the slider on the third slide rail, the third slide rail is fixedly installed on the bottom plate and its slider is connected to the lead screw transmission assembly, the two groups of lead screw assemblies are connected and fixed to the bottom plate through the lead screw support assembly, large gears are installed on both groups of lead screw assemblies, and the large gears are meshed and driven under the action of the lifting power assembly through the small gears, and then drive the slider on the third slide rail to slide through the lead screw assembly and drive the lifting assembly to perform reciprocating up-and-down lifting, thereby realizing the height adjustment of the platform plate.

[0012] The technical solution of the present invention has the following advantages: 1. The platform lifting, translating and rotating device provided by the present invention integrates four parts: power, rotary motion, linear motion and lifting motion, and adopts a combination drive of gears and racks with good connection coupling, with a compact structure, greatly reducing the overall weight of the transmission system; the overall structure of the device is simple, effectively reducing the structural space while effectively improving the overall efficiency of the system; at the same time, a compact box-like structure is formed under the action of the platform plate, the support plate and the bottom plate, and only the test dummy or dummy parts to be tested need to be fixedly installed on the platform plate, which can be applicable to various different sizes and types of test dummies or other products, making the platform have wide versatility and can even be used in non-detection fields.

[0013] 2. The lifting motion output part of the present invention is arranged between the support plate and the bottom plate, and a stable four-sided support structure is formed under the cooperation of the two groups of fork-arm-structured lifting assemblies to ensure the transmission stability.

[0014] 3. The platform lifting, translating and rotating device provided by the present invention is directly or indirectly controlled by a servo motor. Through the servo motor with good controllability, the accuracy of the experimental content, experimental position and angle can be conveniently controlled, and the collection effect of experimental data can be effectively guaranteed. Description of the Drawings

[0015] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0016] Figure 1 It is an exploded schematic view of the platform lifting, translating and rotating device of the present invention; Figure 2 It is a combined state schematic view of the platform lifting, translating and rotating device of the present invention; Figure 3 It is a usage schematic view of the platform lifting, translating and rotating device of the present invention.

[0017] Reference numerals: Platform plate 1, first slide rail 2, rack assembly 3, gear assembly 4, planetary reduction gear 5, servo motor 1 6, rotary reduction gear assembly 7, support plate 8, intermediate rotating shaft 9, second slide rail 10, lead screw support assembly 11, lead screw assembly 12, pinion gear 13, large gear 14, lifting assembly 15, servo motor 2 16, lead screw drive assembly 17, bottom plate 18, worm and worm gear reduction gear 19, third slide rail 20. Specific embodiments

[0018] To make the above objects, features and advantages of the present invention more obvious and understandable, the following will make a detailed description of the specific embodiments of the present invention in conjunction with the drawings. The following content is only an example and explanation of the concept of the present invention. Those skilled in the art of the present technology can make various modifications or supplements to the described specific embodiments or use similar methods to replace them, as long as they do not deviate from the concept of the invention or exceed the scope defined by the claims of the present invention, they should all fall within the protection scope of the present invention. The experimental reagents, materials, etc. used in the following embodiments, unless otherwise specified, can all be obtained from commercial channels.

[0019] Embodiment 1: As Figure 1 shown, this embodiment provides a platform lifting, translating and rotating device suitable for dummy testing, including: platform plate 1, linear sliding output part, rotary motion output part, and lifting motion output part; Among them, the platform plate 1 is used to install the dummy or dummy parts to be tested; The linear sliding output part includes: a first slide rail 2, a rack assembly 3, a gear assembly 4, and a sliding power assembly connected to the platform plate 1; among them, the sliding power assembly drives the rack assembly 3 meshing with it through the gear assembly 4 to pull the platform plate 1 to perform direct reciprocating sliding under the guiding action of the first slide rail 2; Specifically, the sliding power assembly includes a first servo motor 6 and a planetary reducer 5. The four sliders on the first slide rail 2 are fixedly connected to the rotating surface of the rotary reducer assembly 7. The sliding power assembly composed of the gear assembly 4, the first servo motor 6 and the planetary reducer 5 is fixedly connected to the rotating surface of the rotary reducer assembly 7. During operation, the first servo motor 6 transmits power to the gear assembly 4 through the planetary reducer 5 to drive the rack assembly 3 meshing with it. The rack assembly 3 is fixedly connected to the platform plate 1 by screws. Therefore, the rack assembly 3 pulls the platform plate 1 to slide linearly under the guiding action of the first slide rail 2. The rotary motion output part includes: a support plate 8 and a rotary power assembly; the rotary power assembly is rotatably fixed on the support plate 8 and is connected to the slider on the first slide rail 2. The power generated by the rotary power assembly drives the whole of the direct sliding output part to rotate reciprocally. Specifically, the rotary power assembly includes a rotary reducer assembly 7 with a built-in motor. The rotary reducer assembly 7 is rotatably fixed on the support plate 8 and is fixedly connected to the slider on the first slide rail 2. The rotary reducer assembly 7 rotates itself through the built-in motor and drives the platform plate and the whole of the linear sliding output part to rotate reciprocally. The lifting motion output part drives the whole of the direct sliding output part and the rotary motion output part to move up and down reciprocally under the action of the lifting power assembly.

[0020] Specifically, the lifting motion output part includes a lifting assembly 15, an intermediate rotating shaft 9, a second slide rail 10, a lead screw support assembly 11, a lead screw assembly 12, a small gear 13, a large gear 14, a lead screw transmission assembly 17, a third slide rail 20, a bottom plate 18 and a lifting power assembly. Among them, the lifting assembly 15 is an X-shaped fork arm structure formed by the intersection of two support rods. The intermediate rotating shaft 9 is connected to the middle connecting part of the two support rods. Connecting blocks are provided at the ends of the lifting assembly. As Figure 2 shown, one side of the lower end of the lifting assembly 15 is fixedly connected to the bottom plate 18, and the same side of the upper end is fixedly connected below the support plate 8. The other side of the upper end of the lifting assembly 15 is slidably connected to the second slide rail 10, and the same side of the lower end of the lifting assembly 15 is connected to the slider on the third slide rail 20. Further, the second slide rail 10 is installed below the support plate 8. The two lifting components 15 are symmetrically arranged and connected into one body through the middle rotating shaft 9. The upper end of the lifting component is slidably connected to the second slide rail 10, and the lower end of the lifting component 15 is connected to the slider on the third slide rail 20. The third slide rail 20 is fixedly installed on the bottom plate 18, and its slider is connected to a lead screw transmission component 17. The two groups of lead screw components 12 are connected and fixed to the bottom plate 18 through a lead screw support component 11. The two groups of lead screw components 12 are both equipped with large gears 14. The large gears 14 are meshed and driven by small gears 13 under the action of a lifting power component, and then drive the slider on the third slide rail 20 to slide through the lead screw component 12 and drive the lifting component to perform reciprocating up and down movement, thereby realizing the height adjustment of the platform plate 1.

[0021] Among them, the lifting power component includes a servo motor II 16 and a worm and worm gear reducer 19, which provides power for the lifting of the lifting component 15 by driving the small gear 13.

[0022] In this embodiment, the linear sliding output part and the rotational motion output part are both arranged between the platform plate 1 and the support plate 8, and the lifting motion output part is arranged between the support plate 8 and the bottom plate 18, forming a compact box-like structure among the three plates; as Figure 3 shown, during use, when only the dummy or dummy component to be measured needs to be fixedly installed on the platform plate 1, single adjustment of linear sliding, rotation, and lifting or simultaneous adjustment of two or three of them can be realized through this platform; at the same time, it can be applied to various different sizes and types of dummies to be measured or other products, with wide versatility, and even this platform can be used in non-detection fields.

[0023] That is, the platform lifting, translation, and rotation device provided in this embodiment integrates four parts: power, rotational motion, linear motion, and lifting motion, and adopts a combination drive of gears and racks with good connection coupling, with a compact structure, greatly reducing the overall weight of the drive system; the overall structure of the device is simple, effectively reducing the structural space while effectively improving the overall efficiency of the system.

[0024] At the same time, in this embodiment, the lifting motion output part is arranged between the support plate 8 and the bottom plate 18, and a stable four-sided support structure is formed under the cooperation of the two groups of fork-arm-structured lifting components 15 to ensure the transmission stability; further, the platform lifting, translation, and rotation device is directly or indirectly controlled by a servo motor. Through a servo motor with good controllability, the accuracy of the experimental content, experimental position, and angle can be conveniently controlled, and the collection effect of experimental data can be effectively guaranteed.

[0025] Embodiment 2: On the basis of Embodiment 1, this embodiment provides a platform lifting, translating and rotating method applicable to dummy testing, specifically: The power supply supplies electric energy to the sliding power assembly, the rotating power assembly and the lifting power assembly. Among them, the sliding power assembly drives the rack assembly through the gear assembly, and the gear assembly pulls the platform plate to perform linear reciprocating sliding under the guidance of the first slide rail. The power generated by the rotating power assembly drives the whole direct sliding output part to perform reciprocating rotation. The lifting power assembly drives the whole direct sliding output part and the rotating motion output part to perform reciprocating lifting up and down through the cooperation of the lifting motion output part.

[0026] Obviously, the above embodiments are only examples given for clear illustration, and are not limitations on the implementation manners. For those of ordinary skill in the art, other different forms of changes or variations can be made on the basis of the above description. It is not necessary and impossible to enumerate all the implementation manners here. And the obvious changes or variations derived therefrom still fall within the protection scope of the present invention.

Claims

1. A platform lifting, translating and rotating device applicable to dummy tests, characterized in that, Comprising: A platform plate, a linear sliding output part, a rotary motion output part, and a lifting motion output part; Wherein, the platform plate is used for installing a dummy or dummy components to be tested; The linear sliding output part includes: a first slide rail and a rack assembly connected to the platform plate, a gear assembly, and a sliding power assembly; wherein, the sliding power assembly drives the rack assembly meshing with it through the gear assembly to pull the platform plate to perform direct reciprocating sliding under the guiding action of the first slide rail; The rotary motion output part includes: a support plate and a rotary power assembly; the rotary power assembly is fixed on the support plate and connected to a slider on the first slide rail, and the power generated by the rotary power assembly drives the entire direct sliding output part to perform reciprocating rotation; The lifting motion output part drives the entire direct sliding output part and the rotary motion output part to perform reciprocating up and down lifting under the action of a lifting power assembly.

2. The platform lifting, translating and rotating device applicable to dummy testing according to claim 1, wherein The lifting motion output part includes a lifting assembly, an intermediate rotating shaft, a second slide rail, a lead screw support assembly, a lead screw assembly, a small gear, a large gear, a lead screw transmission assembly, a third slide rail, a bottom plate, and a lifting power assembly; wherein, the second slide rail is installed below the support plate, two lifting assemblies are symmetrically arranged and connected into one body through the intermediate rotating shaft, one side of the upper end of the lifting assembly is slidably connected to the second slide rail, and the same side of the lower end of the lifting assembly is connected to a slider on the third slide rail. The third slide rail is fixedly installed on the bottom plate and its slider is connected to the lead screw transmission assembly. Two groups of lead screw assemblies are connected and fixed to the bottom plate through the lead screw support assembly. Both groups of lead screw assemblies are equipped with large gears, and the large gears are meshed and driven by the small gears under the action of the lifting power assembly, and then drive the slider on the third slide rail to slide through the lead screw assembly and drive the lifting assembly to perform reciprocating up and down lifting, thereby realizing the height adjustment of the platform plate.

3. The platform lifting, translating and rotating device applicable to dummy testing according to claim 2, wherein The sliding power assembly includes a servo motor 1 and a planetary reducer, the rotary power assembly includes a rotary reducer assembly with a built-in motor, and the lifting power assembly includes a servo motor 2 and a worm and worm gear reducer.

4. The platform lifting, translating and rotating device applicable to dummy testing according to claim 2, characterized in that, The lifting assembly is an X-shaped fork arm structure formed by the intersection of two support rods, and the intermediate rotating shaft is connected to the middle connecting part of the two support rods; connection blocks are provided at the ends of the lifting assembly.

5. Platform lifting, translation and rotation method applicable to dummy testing, characterized in that, This method includes: The power supply provides electrical energy to the sliding power assembly, the rotary power assembly, and the lifting power assembly, Wherein, the sliding power assembly drives the rack assembly through the gear assembly, and the gear assembly pulls the platform plate to perform linear reciprocating sliding under the guidance of the first slide rail; The power generated by the rotary power assembly drives the entire direct sliding output part to perform reciprocating rotation; The lifting power assembly drives the entire direct sliding output part and the rotary motion output part to perform reciprocating up and down lifting through the cooperation of the lifting motion output part.

6. The platform lifting, translating and rotating method for dummy testing according to claim 5, wherein, The linear sliding output part includes: a first slide rail and a rack assembly connected to the platform plate, a gear assembly, and a sliding power assembly; wherein, the sliding power assembly drives the rack assembly through the gear assembly to pull the platform plate to perform direct reciprocating sliding under the guiding action of the first slide rail; The rotary motion output part includes: a support plate and a rotary power assembly; the rotary power assembly is fixed on the support plate and is connected to the slider on the first slide rail, and the power generated by the rotary power assembly drives the whole of the direct sliding output part to perform reciprocating rotation; The lifting motion output part drives the whole of the direct sliding output part and the rotary motion output part to perform up-and-down reciprocating lifting under the action of the lifting power assembly.

7. The platform lifting, translating and rotating method for dummy testing according to claim 5, wherein The lifting motion output part includes a lifting assembly, an intermediate rotating shaft, a second slide rail, a lead screw support assembly, a lead screw assembly, a small gear, a large gear, a lead screw transmission assembly, a third slide rail, a bottom plate, and a lifting power assembly; wherein, the second slide rail is installed below the support plate, the two lifting assemblies are symmetrically arranged and are connected into one body through the intermediate rotating shaft, the upper end of the lifting assembly is slidably connected to the second slide rail, the lower end of the lifting assembly is connected to the slider on the third slide rail, the third slide rail is fixedly installed on the bottom plate and its slider is connected to the lead screw transmission assembly, the two lead screw assemblies are connected and fixed to the bottom plate through the lead screw support assembly, large gears are installed on both lead screw assemblies, and the large gears are meshed and driven by the small gears under the action of the lifting power assembly, and then drive the slider on the third slide rail to slide through the lead screw assemblies and drive the lifting assemblies to perform up-and-down reciprocating lifting so as to realize the height adjustment of the platform plate.

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