Adjustable automobile A column strength collision detection device

Abstract

The invention relates to the technical field of automobile A column strength collision testing, in particular to an adjustable automobile A column strength collision detection device which comprises a collision platform, the lower end of the collision platform is fixedly connected with a first driving assembly, the collision platform is further rotationally connected with a reversing mechanism, and the collision platform is slidably connected with a collision block assembly. When the first driven shaft rotates, a first bevel gear in sliding connection with the first driven shaft is driven to rotate, through the meshing effect of the two first bevel gears, a rotating shaft rotates on a connecting frame, then an impact block fixedly connected with the rotating shaft is driven to rotate, and angle adjustment is achieved; the supporting block is enabled to slide transversely, the impact block is further driven to slide transversely, the purpose of adjusting the impact area is achieved, the angle of the impact block facing a tested vehicle and the impact area are adjusted in this way, the impact test is simpler, the adjustment angle is large, and operation is convenient.

Description

Technical Field

[0001] The invention relates to the technical field of automobile A-pillar strength collision testing, in particular to an adjustable automobile A-pillar strength collision detection device. Background Art

[0002] The A-pillar of a car refers to the pillars on both sides of the car's front windshield, that is, the metal pillars on both sides of the car's front windshield. When viewed from the side of the car, the A-pillar is an important part of the vehicle structure and plays a vital role in the overall rigidity and safety of the vehicle. When the vehicle collides, the A-pillar can protect the safety of the occupants in the car. As a front impact energy transmission channel in the mechanical structure, it can transfer the impact energy of the front of the car to the roof, thereby reducing the impact on the passenger compartment; The existing Chinese patent with publication number: CN115824673B discloses a vehicle head collision detection device and method, including a mounting bracket and a trapezoidal collision plate, wherein the mounting bracket is fixedly connected to the top of the mounting bracket with an axle body, a connecting body is rotatably sleeved in the middle of the axle body, an electric telescopic rod is arranged between the mounting bracket and the connecting body, one end of the connecting body is fixedly connected to the middle of the trapezoidal collision plate, both sides of the connecting body are fixedly connected with T-shaped support frames, one end of the two T-shaped support frames are rotatably sleeved on the surface of the axle body, and the other ends of the two T-shaped support frames are fixedly connected with a stabilizing support plate. The present invention supports the trapezoidal collision plate by providing two T-shaped support frames, and the trapezoidal collision plate is placed in different positions by using different fixed positions of the T-shaped support frames, and the different inclination angles of the trapezoidal collision plate with the ground and the different driving speeds of the vehicle are used to simulate the collision effect of the head of the vehicle uphill and downhill, so that the vehicle head collision test is more comprehensive and more accurate collision data is obtained; The existing collision test devices mainly have the following disadvantages: When performing an offset collision, the vehicle to be tested needs to be moved to an appropriate position for collision testing, which makes the test troublesome. When performing collisions at different angles, the vehicles need to be collided, which makes the test troublesome and dangerous.

[0003] The lighting at the test site was poor, and the testers could not clearly observe the extent of damage to the vehicle with the naked eye. Summary of the invention

[0004] The object of the present invention is to provide an adjustable automobile A-pillar strength collision detection device to solve the problems raised in the above background technology.

[0005] In order to achieve the above-mentioned invention object, the present invention adopts the following technical scheme: Provided is an adjustable automobile A-pillar strength collision detection device, comprising a collision platform, a driving component 1 is fixedly connected to the lower end of the collision platform, a reversing mechanism is rotatably connected to the collision platform, a collision block component is slidably connected to the collision platform, the lower end of the collision block component is slidably connected to the reversing mechanism, and a light irradiation component is fixedly connected to the upper end of the collision block component; wherein The reversing mechanism comprises: A driving component 2, wherein the driving component 2 is fixedly connected to the collision platform, a collision angle adjustment component is provided at the upper end of the driving component 2, and an offset collision adjustment component is provided at the lower end of the driving component 2, and the collision angle adjustment component and the offset collision adjustment component are both rotatably connected to the collision platform.

[0006] Furthermore, the second driving component includes: Motor 2, wherein the motor 2 is fixedly connected to one side of the collision platform, and an output end of the motor 2 is fixedly connected to a bevel gear 2; and The collision platform is also rotatably connected to a driving shaft, one end of which is fixedly connected to a second bevel gear, and the two second bevel gears are meshed; and Two main ratchet assemblies are fixed at both ends of the driving shaft.

[0007] Furthermore, the collision angle adjustment component includes: A driven shaft 1 is rotatably connected to the collision platform, the driven shaft 1 is arranged at the upper end of the driving shaft, both ends of the driven shaft 1 are fixedly connected with a ratchet 1, and the ratchet 1 is adapted to a main ratchet assembly.

[0008] Furthermore, the offset collision adjustment component includes: A driven shaft 2 is rotatably connected to the collision platform, the driven shaft 2 is arranged at the lower end of the driving shaft, both ends of the driven shaft 2 are fixedly connected with ratchet 2, the ratchet 2 is adapted to another main ratchet assembly, and a curved slide rail is fixedly connected to the driven shaft 2.

[0009] Furthermore, the main ratchet assembly includes: The main body has a plurality of slide grooves on its outer side, the bottom of the slide groove is fixedly connected to one end of the spring, the other end of the spring is fixedly connected to a tooth block, and the tooth block is slidably connected in the slide groove.

[0010] Furthermore, the impact block assembly includes: Two support blocks, the two support blocks are slidably connected to the driving shaft and the driven shaft, the upper ends of the two support blocks are fixedly connected to the two ends of the connecting frame respectively, the connecting frame is rotatably connected with a rotating shaft, the upper end of the rotating shaft is fixedly connected to the lower end of the impact block, the impact block slides on the collision platform, the lower end of the rotating shaft is fixedly connected to a bevel gear, the connecting frame is rotatably connected with a bevel gear and the bevel gear is slidably connected to the driven shaft, and the two bevel gears are meshed; wherein The lower ends of the two support blocks are fixedly connected with two limit blocks, and the two limit blocks slide on the curved slide rails.

[0011] Furthermore, the driving component 1 includes: Motor 1, wherein the motor 1 is fixed on the ground, the output end of the motor 1 is fixedly connected to a synchronous wheel, a driving shaft is rotatably connected to the collision platform, one end of the driving shaft is fixedly connected to a synchronous wheel, the two synchronous wheels are driven by a synchronous belt, a curved groove is provided on the driving shaft, a push block is slidably connected in the curved groove, and the push block is slidably connected to the collision platform.

[0012] Furthermore, the light irradiation component includes: The bracket is fixedly connected to the upper end of the impact block, and two reflectors are rotatably connected to the bracket. The two ends of the reflectors are respectively fixedly connected to one end of two connecting rods, and the other ends of the two connecting rods are respectively slidably connected to two connecting rods, and the connecting rods are fixedly connected to the cylinder. A light source is fixedly connected to the bracket.

[0013] Compared with the prior art, one or more of the above technical solutions have the following beneficial effects: When the driven shaft rotates, it drives a bevel gear 1 slidably connected to it to rotate. Through the meshing action of the two bevel gears 1, the rotating shaft rotates on the connecting frame, and then drives the impact block fixedly connected to the rotating shaft to rotate, so as to achieve angle adjustment. When the driven shaft 2 rotates, the support block slides horizontally through the cooperation of the curved slide rail and the two limit blocks, and then drives the impact block to slide horizontally to achieve the purpose of adjusting the impact area. In this way, the angle of the impact block facing the test vehicle and the collision area are adjusted, which makes the impact test simpler, the adjustment angle is large, and the operation is convenient.

[0014] After the collision is completed, the light source is started so that it shines on the A-pillar through the two reflectors. When it is necessary to test different parts of the A-pillar after the collision, the cylinder can be extended and retracted to drive the connecting rod to move, so that the connecting rod drives the reflector fixed to it to rotate on the bracket. In this way, after the test is completed, the angle of the reflector can be adjusted by the cylinder, thereby changing the position where the light shines on the vehicle, allowing the operator to more clearly observe the extent of damage to the vehicle caused by the collision. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings in the specification, which constitute a part of the present invention, are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.

[0016] In addition, the terms "installed", "set", "provided with", "connected", "connected", and "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0017] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present invention; Figure 2 It is a schematic diagram of the overall three-dimensional structure of the reversing mechanism of the present invention; Figure 3 It is a schematic diagram of the overall three-dimensional structure of the second driving component of the present invention; Figure 4 It is a schematic diagram of the overall three-dimensional structure of the collision angle adjustment assembly of the present invention; Figure 5 It is a schematic diagram of the overall three-dimensional structure of the offset collision adjustment assembly of the present invention; Figure 6 It is a schematic diagram of the overall three-dimensional structure of the main ratchet assembly of the present invention; Figure 7 It is a schematic diagram of the overall three-dimensional structure of the main ratchet assembly of the present invention; Figure 8 It is a schematic diagram of the overall three-dimensional structure of the impact block assembly of the present invention; Fig. 9 It is a schematic diagram of the overall three-dimensional structure of the impact block assembly of the present invention; Fig.10 It is a schematic diagram of the overall three-dimensional structure of the driving assembly of the present invention; Fig.11 It is a front view of the overall three-dimensional structure of the driving assembly of the present invention; Fig.12 It is a schematic diagram of the overall three-dimensional structure of the light irradiation assembly of the present invention; Fig.13 This is a front view of the overall three-dimensional structure of the support block of the present invention; In the accompanying drawings, the components represented by the reference numerals are listed as follows: 1. Collision platform; 2. Driving assembly 1; 21. Motor 1; 22. Synchronous wheel; 23. Driving shaft; 231. Curved slide 231; 24. Synchronous belt; 25. Push block; 3. Reversing mechanism; 31. Driving assembly 2; 311. Motor 2; 312. Bevel gear 2; 313. Active shaft; 314. Main ratchet assembly; 3141. Body; 3142. Slideway; 3143. Spring; 3144. Tooth block; 32. Collision angle adjustment assembly; 321. Driven shaft 1; 322. Ratchet 1; 33. Offset collision adjustment assembly; 331. Driven shaft 2; 332. Ratchet 2; 333. Curved slide rail; 4. Impact block assembly; 41. Support block; 42. Connecting frame; 43. Rotating shaft; 44. Impact block; 45. Bevel gear 1; 46. Limit block; 5. Light irradiation component; 51. Bracket; 52. Reflector; 53. Connecting rod; 54. Connecting rod; 55. Cylinder; 56. Light source. DETAILED DESCRIPTION

[0018] In order to enable those skilled in the art to better understand the solution of the present application, the following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of this application.

[0019] Reference Figure 1-2 As shown, an adjustable automobile A-pillar strength collision detection device comprises a collision platform 1, a driving component 2 is fixedly connected to the lower end of the collision platform 1, a reversing mechanism 3 is rotatably connected to the collision platform 1, a collision block component 4 is slidably connected to the collision platform 1, the lower end of the collision block component 4 is slidably connected to the reversing mechanism 3, and the upper end of the collision block component 4 is fixedly connected to the light irradiation component 5; wherein The reversing mechanism 3 includes: A driving component 2 31, wherein the driving component 2 31 is fixedly connected to the collision platform 1, a collision angle adjustment component 32 is provided at the upper end of the driving component 2 31, and an offset collision adjustment component 33 is provided at the lower end of the driving component 2 31, and the collision angle adjustment component 32 and the offset collision adjustment component 33 are both rotatably connected to the collision platform 1.

[0020] The A-pillar of the automobile to be tested is fixed on the driving component 1 2, and the driving component 1 2 is used to drive the automobile to collide with the collision block component, so as to realize the strength collision detection of the automobile A-pillar, and the driving component 2 31 can be operated to adjust the size of the collision area and the angle of the collision. When the size of the collision area is adjusted, the offset collision adjustment component 33 can be driven by the driving component 2 31 to move the collision block component 4 to achieve the purpose of adjusting the collision area. When the collision angle needs to be adjusted, the driving component 2 31 works in the reverse direction to drive the collision angle adjustment component 32 to adjust the angle of the collision block component 4. After the collision is completed, the light irradiation component can be driven to work.

[0021] Reference Figure 3 As shown, the second driving component 31 includes: A second motor 311 , wherein the second motor 311 is fixedly connected to one side of the collision platform 1 , and an output end of the second motor 311 is fixedly connected to a second bevel gear 312 ; and The collision platform 1 is also rotatably connected to a driving shaft 313, one end of the driving shaft 313 is fixedly connected to a second bevel gear 312, and the two second bevel gears 312 are meshed; and Two main ratchet assemblies 314 are fixed at both ends of the driving shaft 313 .

[0022] By starting the second motor 311, the second motor 311 drives the second bevel gear 312 fixedly connected thereto to rotate, and the meshing action of the two bevel gears causes the driving shaft 313 to rotate, thereby driving the main ratchet assembly 314 fixedly connected to the driving shaft 313 to rotate.

[0023] Reference Figure 4 As shown, the collision angle adjustment component 32 includes: A driven shaft 321 is rotatably connected to the collision platform 1 . The driven shaft 321 is disposed at the upper end of the driving shaft 313 . Both ends of the driven shaft 321 are fixedly connected with a ratchet 322 . The ratchet 322 is adapted to a main ratchet assembly 314 .

[0024] Through the adaptation of the ratchet wheel 322 and the main ratchet assembly 314, when the main ratchet assembly 314 rotates, the ratchet wheel 322 can be driven to rotate, thereby driving the driven shaft 321 fixedly connected thereto to rotate.

[0025] Reference Figure 5 As shown, the offset collision adjustment component 33 includes: The driven shaft 331 is rotatably connected to the collision platform 1. The driven shaft 331 is arranged at the lower end of the driving shaft 313. Both ends of the driven shaft 331 are fixedly connected with ratchet wheels 332. The ratchet wheels 332 are adapted to another main ratchet assembly 314. The driven shaft 331 is fixedly connected with a curved slide rail 333.

[0026] Through the adaptation of the second ratchet wheel 332 and the main ratchet assembly 314 , when the main ratchet wheel rotates, the second ratchet wheel 332 is driven to rotate, thereby driving the second driven shaft 331 and the curved slide rail 333 to rotate.

[0027] Reference Figure 6-7 As shown, the main ratchet assembly 314 includes: The main body 3141 has a plurality of slide grooves 3142 on its outer side, the bottom of the slide groove 3142 is fixedly connected to one end of a spring 3143 , the other end of the spring 3143 is fixedly connected to a tooth block 3144 , and the tooth block 3144 is slidably connected in the slide groove 3142 .

[0028] When the driving shaft 313 rotates, the spring 3143 and the gear block 3144 are driven to rotate.

[0029] Reference Fig. 9 and 13 As shown, the impact block assembly 4 includes: Two support blocks 41, the two support blocks 41 are slidably connected to the driving shaft 313 and the driven shaft 321, the upper ends of the two support blocks 41 are respectively fixedly connected to the two ends of the connecting frame 42, the connecting frame 42 is rotatably connected with a rotating shaft 43, the upper end of the rotating shaft 43 is fixedly connected to the lower end of the impact block 44, the impact block 44 slides on the collision platform 1, the lower end of the rotating shaft 43 is fixedly connected with a bevel gear 45, the connecting frame 42 is rotatably connected with a bevel gear 45 and the bevel gear 45 is slidably connected to the driven shaft 321, and the two bevel gears 45 are meshed; wherein Two limit blocks 46 are fixedly connected to the lower ends of the two support blocks 41 , and the two limit blocks 46 slide on the curved slide rail 333 .

[0030] When the driven shaft 321 rotates, it drives a bevel gear 45 slidably connected to it to rotate. Through the meshing action of the two bevel gears 45, the rotating shaft 43 rotates on the connecting frame 42, and then drives the impact block 44 fixedly connected to the rotating shaft 43 to rotate, so as to achieve angle adjustment. When the driven shaft 331 rotates, the curved slide rail 333 cooperates with the two limit blocks 46 to make the support block 41 slide horizontally, and then drives the impact block 44 to slide horizontally, so as to achieve the purpose of adjusting the impact area.

[0031] Reference Figure 10-11 As shown, the driving component 1 2 includes: A motor 21 is fixed on the ground, an output end of the motor 21 is fixedly connected to a synchronous wheel 22, a driving shaft 23 is rotatably connected to the collision platform 1, one end of the driving shaft 23 is fixedly connected to a synchronous wheel 22, the two synchronous wheels 22 are driven by a synchronous belt 24, a curved groove 231 is provided on the driving shaft 23, a push block 25 is slidably connected in the curved groove 231, and the push block 25 is slidably connected to the collision platform 1.

[0032] When performing a collision test, the push block 25 is fixedly connected to the A-pillar of the automobile, and by starting the motor 21, the motor 21 drives the synchronous wheel 22 fixedly connected thereto to rotate, and through the transmission action of the synchronous belt 24, the other synchronous wheel 22 drives the drive shaft 23 fixedly connected thereto to rotate, thereby causing the lower end of the push block 25 to slide in the curved groove, and at the same time, the push block 25 drives the test vehicle to collide with the collision block 44.

[0033] Reference Fig.12 As shown, the light irradiation component 5 includes: A bracket 51, wherein the bracket 51 is fixedly connected to the upper end of the impact block 44, and two reflectors 52 are rotatably connected to the bracket 51, and both ends of the reflectors 52 are respectively fixedly connected to one end of two connecting rods 53, and the other ends of the two connecting rods 53 are respectively slidably connected to two connecting rods 54, and the connecting rods 54 are fixedly connected to the cylinder 55. A light source 56 is fixedly connected to the bracket 51.

[0034] After the collision is completed, the light source 56 is started so that the light source 56 is irradiated onto the A-pillar through the two reflectors 52. When it is necessary to detect different parts of the A-pillar after the collision, the cylinder 55 can be extended and retracted to drive the connecting rod 54 to move, so that the connecting rod 53 drives the reflector 52 fixedly connected thereto to rotate on the bracket 51.

[0035] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In the description of the present invention, unless otherwise specified and limited, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a mechanical connection or an electrical connection, or it can be the internal communication of two elements, it can be a direct connection, or it can be an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0036] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An adjustable automobile A-pillar strength collision detection device, characterized in that: The invention comprises a collision platform (1), the lower end of the collision platform (1) is fixedly connected to a driving component (2), the collision platform (1) is also rotatably connected to a reversing mechanism (3), the collision platform (1) is slidably connected to a collision block component (4), the lower end of the collision block component (4) is slidably connected to the reversing mechanism (3), and the upper end of the collision block component (4) is fixedly connected to a light irradiation component (5); wherein The reversing mechanism (3) comprises: A second driving component (31), wherein the second driving component (31) is fixedly connected to the collision platform (1), a collision angle adjustment component (32) is provided at the upper end of the second driving component (31), and an offset collision adjustment component (33) is provided at the lower end of the second driving component (31), and the collision angle adjustment component (32) and the offset collision adjustment component (33) are both rotatably connected to the collision platform (1).

2. The adjustable automobile A-pillar strength collision detection device according to claim 1, characterized in that: The second driving component (31) comprises: Motor 2 (311), wherein the motor 2 (311) is fixedly connected to one side of the collision platform (1), and the output end of the motor 2 (311) is fixedly connected to a bevel gear 2 (312); and The collision platform (1) is also rotatably connected to a driving shaft (313), one end of the driving shaft (313) is fixedly connected to a second bevel gear (312), and the two second bevel gears (312) are meshed; and Two main ratchet assemblies (314) are fixed to both ends of the driving shaft (313).

3. The adjustable automobile A-pillar strength collision detection device according to claim 2, characterized in that: The collision angle adjustment component (32) comprises: A driven shaft (321) is rotatably connected to the collision platform (1); the driven shaft (321) is arranged at the upper end of the driving shaft (313); both ends of the driven shaft (321) are fixedly connected to a ratchet (322); the ratchet (322) is adapted to a main ratchet assembly (314).

4. The adjustable automobile A-pillar strength collision detection device according to claim 3, characterized in that: The offset collision adjustment component (33) comprises: A second driven shaft (331), the second driven shaft (331) is rotatably connected to the collision platform (1), the second driven shaft (331) is arranged at the lower end of the driving shaft (313), both ends of the second driven shaft (331) are fixedly connected to a second ratchet (332), the second ratchet (332) is adapted to another main ratchet assembly (314), and a curved slide rail (333) is fixedly connected to the second driven shaft (331).

5. The adjustable automobile A-pillar strength collision detection device according to claim 4, characterized in that: The main ratchet assembly (314) comprises: A main body (3141) is provided with a plurality of slide grooves (3142) on the outer side of the main body (3141), the bottom of the slide groove (3142) is fixedly connected to one end of a spring (3143), the other end of the spring (3143) is fixedly connected to a tooth block (3144), and the tooth block (3144) is slidably connected in the slide groove (3142).

6. The adjustable automobile A-pillar strength collision detection device according to claim 5, characterized in that: The impact block assembly (4) comprises: Two support blocks (41), the two support blocks (41) are slidably connected to the driving shaft (313) and the driven shaft (321), the upper ends of the two support blocks (41) are respectively fixedly connected to the two ends of the connecting frame (42), the connecting frame (42) is rotatably connected to a rotating shaft (43), the upper end of the rotating shaft (43) is fixedly connected to the lower end of an impact block (44), the impact block (44) slides on the collision platform (1), the lower end of the rotating shaft (43) is fixedly connected to a bevel gear (45), the connecting frame (42) is rotatably connected to a bevel gear (45) and the bevel gear (45) is slidably connected to the driven shaft (321), and the two bevel gears (45) are meshed; wherein The lower ends of the two support blocks (41) are fixedly connected to two limit blocks (46), and the two limit blocks (46) slide on the curved slide rail (333).

7. The adjustable automobile A-pillar strength collision detection device according to claim 6, characterized in that: The driving component 1 (2) comprises: A motor (21) is fixed on the ground, an output end of the motor (21) is fixedly connected to a synchronous wheel (22), a drive shaft (23) is rotatably connected to the collision platform (1), one end of the drive shaft (23) is fixedly connected to a synchronous wheel (22), the two synchronous wheels (22) are driven by a synchronous belt (24), a curved slide groove (231) is provided on the drive shaft (23), a push block (25) is slidably connected in the curved slide groove (231), and the push block (25) is slidably connected to the collision platform (1).

8. The adjustable automobile A-pillar strength collision detection device according to claim 7, characterized in that: The light irradiation component (5) comprises: A bracket (51), the bracket (51) being fixedly connected to the upper end of the impact block (44), the bracket (51) being rotatably connected to two reflectors (52), the two ends of the reflectors (52) being respectively fixedly connected to one end of two connecting rods (53), the other ends of the two connecting rods (53) being respectively slidably connected to two connecting rods (54), the connecting rods (54) being fixedly connected to the cylinder (55), and the bracket (51) being fixedly connected to a light source (56).

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