Crumple test mechanism with adjustable angle for automobile steering column

Abstract

The utility model relates to the technical field of steering systems, in particular to an angle-adjustable crumple test mechanism for an automobile steering column. An angle-adjustable crumple test mechanism for an automobile steering column is characterized in that the left side and the right side of a bottom plate are connected with supports respectively, a jacking assembly is arranged at the rear side position between the supports on the left side and the right side, the jacking assembly is connected with the back face of a dip angle T-shaped table board through a jacking connecting piece, and the front face of the dip angle T-shaped table board is connected with an adjusting device; the left side and the right side of the jacking assembly are connected with the supports on the left side and the right side through locking assemblies correspondingly. A rotating shaft assembly is arranged above the jacking assembly; a Z-axis rotating mechanism is arranged in the shell box body, and the front side of the Z-axis rotating mechanism is connected with a Y-axis rotating mechanism. Compared with the prior art, the device not only can meet the requirements of a customer on a crumple test mechanism, but also can be applied to other tests with angles, so that the laboratory test capability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steering systems, in particular to a collapse testing mechanism for an adjustable angle of an automobile steering column. Background Art

[0002] OEMs are placing increasingly stringent requirements on the safety performance specifications of automotive steering systems. These requirements require verification not only along the vehicle's X-axis but also along the vehicle's Y and Z axes. Currently available devices are unable to meet these requirements. Therefore, a test mechanism for the adjustable angle collapse of automotive steering columns has been invented. Summary of the Invention

[0003] In order to overcome the deficiencies of the prior art, the utility model provides a collapse test mechanism for an adjustable angle steering column of an automobile, which enables the column to be adjusted at any angle along the Y-axis and the Z-axis of the entire vehicle.

[0004] To achieve the above-mentioned purpose, a collapse testing mechanism for an adjustable angle of an automobile steering column is designed, comprising a tilt T-shaped table, a rotating shaft assembly, a jacking assembly, a locking assembly, a base, and a bracket, and characterized in that: the left and right sides of the base plate are respectively connected to the brackets, a jacking assembly is provided at the rear side between the left and right brackets, the jacking assembly is connected to the back of the tilt T-shaped table through a jacking connector, and the front of the tilt T-shaped table is connected to the adjusting device; the left and right sides of the jacking assembly are respectively connected to the brackets on the left and right sides through locking assemblies; a rotating shaft assembly is provided above the jacking assembly, and the left and right sides of the rotating shaft assembly are respectively connected to the brackets on the left and right sides; the adjusting device comprises an outer shell body, a Z-axis rotating mechanism, and a Y-axis rotating mechanism, the outer shell body is provided with a Z-axis rotating mechanism, and the front side of the Z-axis rotating mechanism is connected to the Y-axis rotating mechanism.

[0005] The Z-axis rotation mechanism includes a Z-axis rotation reversing machine crank, a Z-axis locking pin, an X-axis rotating shaft, a bevel gear assembly, a ball bearing, a connecting plate with an angle ruler, and a Z-axis rotating shaft. The Z-axis rotating shaft is provided in the outer casing, and the upper and lower ends of the Z-axis rotating shaft are respectively connected to ball bearings. The top of the Z-axis rotating shaft is connected to one end of the X-axis rotating shaft by a bevel gear assembly, and the other end of the X-axis rotating shaft is connected to the Z-axis rotation reversing machine crank; the X-axis rotating shaft is connected to the top of the outer casing by a rotating shaft support seat, and the rotating shaft support seat is provided with a Z-axis locking pin; the Z-axis rotating shaft is connected to the Y-axis rotation mechanism through a connecting plate.

[0006] The Y-axis rotation mechanism includes a Y-axis rotation plate, a product fixture fixing plate, a Y-axis rotation axis, and a Y-axis locking pin. The Z-axis rotation axis of the Z-axis rotation mechanism is connected to the back of the Y-axis rotation plate by a connecting plate. The front center of the Y-axis rotation plate is connected to the product fixture fixing plate through the Y-axis rotation axis. Arc holes are respectively provided on the product fixture fixing plates on the upper and lower sides of the Y-axis rotation axis, and the Y-axis locking pins are connected in the arc holes. T-slots connected to the product are respectively provided on the upper and lower sides of the product fixture fixing plate.

[0007] The inclined T-shaped table top comprises a T-slot table top and a table top base. The bottom of the T-slot table top is connected to the table top base. A T-shaped groove is provided on the T-slot table top.

[0008] The rotating shaft assembly includes a bearing clamping block, a rotating shaft, and a bearing. The rotating shaft passes through the left bracket, the front side of the table base, and the right bracket from left to right, and the left and right ends of the rotating shaft are respectively connected to the bearing clamping blocks, and bearings are respectively provided between the left and right ends of the rotating shaft and the bearing clamping blocks.

[0009] The jacking assembly includes a jacking fixed seat, a screw rod, a nut, a table jacking rotating seat assembly, and a movable locking plate. The bottom of the jacking fixed seat is connected to the base plate. The top of the jacking fixed seat is a U-shaped groove. A nut is provided in the U-shaped groove. The nut is connected to the screw rod. The end of the screw rod is connected to the rear side of the table base through the table jacking rotating seat assembly; the left and right sides of the nut are fixedly connected to the jacking fixed seat.

[0010] The table top lifting and rotating seat assembly includes a table top connecting seat and a screw rod connecting piece. The bottom of the table top connecting seat is connected to the rear side of the table top base. The top of the table top connecting seat is a U-shaped groove, and the U-shaped groove is connected to the end of the screw rod through the screw rod connecting piece.

[0011] A movable locking plate is provided on the left and right sides of the screw rod, one end of the movable locking plate is connected to the bracket, and the other end of the movable locking plate is connected to the side of the table base.

[0012] The movable locking plate is provided with a sliding groove.

[0013] The locking assembly includes a screw bearing seat, a screw, and an adjusting washer. The screw passes through the sliding grooves on the bracket and the movable locking plate respectively, and the two ends of the screw are connected to the screw bearing seat and the adjusting washer. The screw bearing seat is located on the outside of the bracket, and the adjusting washer is located on the inside of the movable locking plate.

[0014] Compared to existing technologies, this utility model provides a crush test mechanism for an adjustable steering column, enabling the column to be adjusted to any angle along the vehicle's Y and Z axes. This device not only meets customer requirements for crush testing but can also be applied to tests at other angles, expanding laboratory testing capabilities. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic structural diagram of the utility model.

[0016] Figure 2 This is a schematic diagram of the connection between the Z-axis rotation mechanism and the Y-axis rotation mechanism in the present invention.

[0017] Figure 3 Schematic diagram of the Z-axis rotation mechanism structure.

[0018] Figure 4 Schematic diagram of the Y-axis rotation mechanism structure.

[0019] Figure 5 This is a schematic diagram of the rear stand structure of the utility model.

[0020] Figure 6 for Figure 5 Exploded view of the structure. DETAILED DESCRIPTION

[0021] The present invention will be further described below with reference to the accompanying drawings.

[0022] like Figures 1 to 6 As shown, the left and right sides of the base plate 5 are respectively connected to the brackets 6, and a jacking assembly 3 is provided at the rear position between the left and right brackets 6. The jacking assembly 3 is connected to the back of the tilt T-shaped table 1 through a jacking connector, and the front of the tilt T-shaped table 1 is connected to the adjusting device 7; the left and right sides of the jacking assembly 3 are respectively connected to the brackets 6 on the left and right sides through the locking assembly 4; a rotating shaft assembly 2 is provided above the jacking assembly 3, and the left and right sides of the rotating shaft assembly 2 are respectively connected to the brackets 6 on the left and right sides; the adjusting device 7 includes an outer shell box, a Z-axis rotating mechanism, and a Y-axis rotating mechanism. A Z-axis rotating mechanism 7-2 is provided in the outer shell box 7-1, and the front side of the Z-axis rotating mechanism 7-2 is connected to the Y-axis rotating mechanism 7-3.

[0023] The Z-axis rotation mechanism 7-2 includes a Z-axis rotation reversing machine crank handle, a Z-axis locking pin, an X-axis rotating shaft, a bevel gear assembly, a ball bearing, a connecting plate with an angle ruler, and a Z-axis rotation shaft. A Z-axis rotation shaft 7-2-7 is provided in the outer casing 7-1. The upper and lower ends of the Z-axis rotation shaft 7-2-7 are respectively connected to ball bearings 7-2-5. The top of the Z-axis rotation shaft 7-2-7 is connected to one end of the X-axis rotating shaft 7-2-3 by a bevel gear assembly 7-2-4, and the other end of the X-axis rotating shaft 7-2-3 is connected to the Z-axis rotation reversing machine crank handle 7-2-1; the X-axis rotating shaft 7-2-3 is connected to the top of the outer casing 7-1 by a rotating shaft support seat 7-2-8, and the rotating shaft support seat 7-2-8 is provided with a Z-axis locking pin 7-2-2; the Z-axis rotation shaft 7-2-7 is connected to the Y-axis rotation mechanism 7-3 through a connecting plate 7-2-6.

[0024] The Z-axis rotating shaft 7-2-7 is secured above and below by two ball bearings 7-2-5. Rotating the Z-axis rotary reversing mechanism crank 7-2-1 drives the Z-axis rotating shaft 7-2-7 through the bevel gear assembly 7-2-4. The Z-axis locking pin 7-2-2 prevents the X-axis rotating shaft 7-2-3 from rotating. The upper connecting plate 7-2-6, equipped with an angle scale, allows for Z-direction rotation as required during rotation.

[0025] The Y-axis rotation mechanism 7-3 includes a Y-axis rotation plate, a product fixture fixing plate, a Y-axis rotation shaft, and a Y-axis locking pin. The Z-axis rotation shaft 7-2-7 of the Z-axis rotation mechanism 7-2 is connected to the back of the Y-axis rotation plate 7-3-1 through a connecting plate 7-2-6. The front center of the Y-axis rotation plate 7-3-1 is connected to the product fixture fixing plate 7-3-2 through the Y-axis rotation shaft 7-3-3. Arc holes are respectively provided on the product fixture fixing plates 7-3-2 on the upper and lower sides of the Y-axis rotation shaft 7-3-3. Y-axis locking pins 7-3-4 are connected in the arc holes. T-slots 7-3-5 connected to the products are respectively provided on the upper and lower sides of the product fixture fixing plate 7-3-2.

[0026] The Z-axis rotation shaft 7-2-7 drives the Y-axis rotation plate 7-3-1 to rotate, and simultaneously rotates the product fixture fixing plate 7-3-2. The Y-axis locking pin 7-3-4 on the product fixture fixing plate 7-3-2 can lock and prevent excessive rotation of the product. The T-slot 7-3-5 is designed to accommodate all currently available products.

[0027] The inclined T-shaped table top 1 comprises a T-slot table top and a table top base. The bottom of the T-slot table top 1-1 is connected to the table top base 1-2. A T-shaped groove is provided on the T-slot table top 1-1.

[0028] The rotating shaft assembly 2 includes a bearing clamping block, a rotating shaft, and a bearing. The rotating shaft 2-1 passes through the left bracket 6, the front side of the table base 1-2, and the right bracket 6 from left to right, and the left and right ends of the rotating shaft 2-1 are respectively connected to the bearing clamping block 2-3, and bearings 2-2 are respectively provided between the left and right ends of the rotating shaft 2-1 and the bearing clamping block 2-3.

[0029] The jacking assembly 3 includes a jacking fixed seat, a screw rod, a nut, a table jacking rotating seat assembly, and a movable locking plate. The bottom of the jacking fixed seat 3-1 is connected to the base plate 5. The top of the jacking fixed seat 3-1 is a U-shaped groove. A nut 3-3 is provided in the U-shaped groove. The nut 3-3 is connected to the screw rod 3-2. The end of the screw rod 3-2 is connected to the rear side of the table base 1-2 through the table jacking rotating seat assembly; the left and right sides of the nut 3-3 are fixedly connected to the jacking fixed seat 3-1.

[0030] The table top lifting and rotating seat assembly includes a table top connecting seat and a screw rod connecting piece. The bottom of the table top connecting seat 3-4 is connected to the rear side of the table base 1-2. The top of the table top connecting seat 3-4 is a U-shaped groove, and the U-shaped groove is connected to the end of the screw rod 3-2 through the screw rod connecting piece 3-6.

[0031] Movable locking plates 3-5 are respectively provided on the left and right sides of the screw rod 3-2. One end of the movable locking plate 3-5 is connected to the bracket 6, and the other end of the movable locking plate 3-5 is connected to the side of the table base 1-2.

[0032] The movable locking plate 3-5 is provided with a sliding groove 3-5-1.

[0033] The locking assembly 4 includes a screw bearing seat, a screw, and an adjusting washer. The screw 4-1 passes through the bracket 6 and the sliding groove 3-5-1 on the movable locking plate 3-5 respectively, and the two ends of the screw 4-1 are connected to the screw bearing seat 4-2 and the adjusting washer 4-3. The screw bearing seat 4-2 is located on the outside of the bracket 6, and the adjusting washer 4-3 is located on the inside of the movable locking plate 3-5.

[0034] The implementation steps of this utility model are as follows:

[0035] 1. The outer shell 7-1 is connected to the workbench body;

[0036] 2. Rotate the Z-axis rotary reversing machine handle 7-2-1 to the required angle and tighten the Z-axis locking pin 7-2-2;

[0037] 3. Rotate the product fixture fixing plate 7-3-2 to the required angle and tighten the Y-axis locking pin 7-3-4;

[0038] 4. Install product fixtures and products for testing.

[0039] Adjust different angles to simulate the collapse of the column when the vehicle collides, so as to reduce the damage to the driver.

[0040] First, fix the collapse test mechanism to the equipment body fixture, and then perform Z-axis rotation adjustment and Y-axis rotation adjustment.

[0041] The adjustment method is as follows:

[0042] 1. Z axis rotation Figure 3 As shown, open the Z-axis locking pin 7-2-2, rotate the Z-axis rotation reversing machine handle 7-2-1, and through torque transmission, the connecting plate 7-2-6 (with an angle ruler) on the upper part of the Z-axis rotation shaft 7-2-7 drives the Y-axis rotation plate 7-3-1 to rotate to the required angle, tighten the Z-axis locking pin 7-2-2, and complete the Z-axis rotation work.

[0043] 2. Y axis rotation as follows Figure 4 As shown, open the Y-axis locking pin 7-3-4, rotate the product fixture fixing plate 7-3-2, adjust it to the required angle by observing the angle ruler on the product fixture fixing plate 7-3-2, and lock the Y-axis locking pin 7-3-4.

[0044] This device can not only meet the requirements of customers' collapse test organizations, but can also be applied to other angle tests, increasing laboratory testing capabilities.

Claims

1. A collapse test mechanism for an adjustable steering column of an automobile, comprising an inclination T-shaped table, a rotating shaft assembly, a lifting assembly, a locking assembly, a base, and a bracket, characterized in that: The left and right sides of the bottom plate (5) are respectively connected to brackets (6); a jacking assembly (3) is provided at the rear side between the left and right brackets (6); the jacking assembly (3) is connected to the back of the tilted T-shaped table (1) through a jacking connector, and the front of the tilted T-shaped table (1) is connected to an adjustment device (7); the left and right sides of the jacking assembly (3) are respectively connected to the brackets (6) on the left and right sides through locking assemblies (4); a rotating shaft assembly (2) is provided above the jacking assembly (3); the left and right sides of the rotating shaft assembly (2) are respectively connected to the brackets (6) on the left and right sides; the adjustment device (7) comprises an outer shell, a Z-axis rotating mechanism, and a Y-axis rotating mechanism; the outer shell (7-1) is provided with a Z-axis rotating mechanism (7-2), and the front side of the Z-axis rotating mechanism (7-2) is connected to the Y-axis rotating mechanism (7-3).

2. A collapse test mechanism for an adjustable steering column of an automobile according to claim 1, characterized in that: The Z-axis rotation mechanism (7-2) includes a Z-axis rotation reversing machine handle, a Z-axis locking pin, an X-axis rotating shaft, a bevel gear assembly, a ball bearing, a connecting plate with an angle ruler, and a Z-axis rotating shaft. A Z-axis rotating shaft (7-2-7) is provided in the housing (7-1). The upper and lower ends of the Z-axis rotating shaft (7-2-7) are respectively connected to ball bearings (7-2-5). The top of the Z-axis rotating shaft (7-2-7) is connected to the X-axis rotating shaft (7-2-4) by a bevel gear assembly (7-2-5). -2-3), and the other end of the X-axis rotating shaft (7-2-3) is connected to the Z-axis rotating reversing machine crank (7-2-1); the X-axis rotating shaft (7-2-3) is connected to the top of the outer casing (7-1) by a rotating shaft support seat (7-2-8), and the rotating shaft support seat (7-2-8) is provided with a Z-axis locking pin (7-2-2); the Z-axis rotating shaft (7-2-7) is connected to the Y-axis rotating mechanism (7-3) through a connecting plate (7-2-6).

3. The collapse testing mechanism for an adjustable steering column of an automobile according to claim 1, characterized in that: The Y-axis rotation mechanism (7-3) includes a Y-axis rotation plate, a product fixture fixing plate, a Y-axis rotation shaft, and a Y-axis locking pin. The Z-axis rotation shaft (7-2-7) of the Z-axis rotation mechanism (7-2) is connected to the back of the Y-axis rotation plate (7-3-1) using a connecting plate (7-2-6). The center of the front of the Y-axis rotation plate (7-3-1) is connected to the product fixture fixing plate (7-3-2) through the Y-axis rotation shaft (7-3-3). Arc holes are respectively provided on the product fixture fixing plate (7-3-2) on the upper and lower sides of the Y-axis rotation shaft (7-3-3). The Y-axis locking pin (7-3-4) is connected in the arc hole. T-slots (7-3-5) connected to the product are respectively provided on the upper and lower sides of the product fixture fixing plate (7-3-2).

4. The collapse testing mechanism for an adjustable steering column of an automobile according to claim 1, characterized in that: The inclined T-shaped table top (1) comprises a T-slot table top and a table top base. The bottom of the T-slot table top (1-1) is connected to the table top base (1-2). The T-slot table top (1-1) is provided with a T-shaped groove.

5. The collapse testing mechanism for an adjustable steering column of an automobile according to claim 1, characterized in that: The rotating shaft assembly (2) comprises a bearing clamping block, a rotating shaft, and a bearing. The rotating shaft (2-1) passes through the left bracket (6), the front side of the table base (1-2), and the right bracket (6) from left to right, and the left and right ends of the rotating shaft (2-1) are respectively connected to the bearing clamping block (2-3). Bearings (2-2) are respectively provided between the left and right ends of the rotating shaft (2-1) and the bearing clamping block (2-3).

6. The collapse testing mechanism for an adjustable steering column of an automobile according to claim 1, characterized in that: The jacking assembly (3) includes a jacking fixed seat, a screw rod, a nut, a table top jacking rotating seat assembly, and a movable locking plate. The bottom of the jacking fixed seat (3-1) is connected to the base plate (5). The top of the jacking fixed seat (3-1) is a U-shaped groove. A nut (3-3) is provided in the U-shaped groove. The nut (3-3) is connected to the screw rod (3-2). The end of the screw rod (3-2) is connected to the rear side of the table top base (1-2) through the table top jacking rotating seat assembly. The left and right sides of the nut (3-3) are fixedly connected to the jacking fixed seat (3-1).

7. A collapse testing mechanism for an adjustable steering column of an automobile according to claim 6, characterized in that: The table top lifting and rotating seat assembly comprises a table top connecting seat and a screw rod connecting piece. The bottom of the table top connecting seat (3-4) is connected to the rear side of the table top base (1-2). The top of the table top connecting seat (3-4) is a U-shaped groove. The U-shaped groove is connected to the end of the screw rod (3-2) via the screw rod connecting piece (3-6).

8. The collapse testing mechanism for an adjustable steering column of an automobile according to claim 6, characterized in that: A movable locking plate (3-5) is provided on the left and right sides of the screw rod (3-2), one end of the movable locking plate (3-5) is connected to the bracket (6), and the other end of the movable locking plate (3-5) is connected to the side of the table base (1-2).

9. The collapse testing mechanism for an adjustable steering column of an automobile according to claim 8, characterized in that: The movable locking plate (3-5) is provided with a sliding groove (3-5-1).

10. The collapse testing mechanism for an adjustable steering column of an automobile according to claim 1, characterized in that: The locking assembly (4) includes a screw bearing seat, a screw, and an adjusting washer. The screw (4-1) passes through the sliding groove (3-5-1) on the bracket (6) and the movable locking plate (3-5), and the two ends of the screw (4-1) are connected to the screw bearing seat (4-2) and the adjusting washer (4-3). The screw bearing seat (4-2) is located on the outside of the bracket (6), and the adjusting washer (4-3) is located on the inside of the movable locking plate (3-5).

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