CN221945586U - Comprehensive test bed for testing multifunctional performance of steering column - Google Patents

Abstract

The utility model discloses a comprehensive test bed for testing the multi-functional performance of a steering column, which relates to the technical field of automobile part testing and aims to solve the problems that in the prior art, the testing of various different performances of the steering column cannot be realized at one station, tool change during performance testing is reduced, and staff carrying is troublesome, the axial adjusting mechanism is connected with the angular adjusting mechanism in a sliding way, the angular adjusting mechanism comprises a first clamping jaw, the vertical position of the axial adjusting mechanism is provided with the handle unlocking mechanism, the test pipe column is fixed on the fixed pipe column tool, the unlocking handle is unlocked through the handle unlocking mechanism, the test of angle adjustment and axial adjustment of the test pipe column is realized, and the test of angle adjustment and axial adjustment holding force of the test pipe column is realized through the locking of the unlocking handle.

Description

A comprehensive test bench for multifunctional performance testing of steering columns

Technical Field

The utility model relates to the technical field of automobile component testing, in particular to a steering column multifunctional performance testing comprehensive test bench.

Background Art

With the rapid development of automobiles, drivers' demands for diversified steering wheel functions are becoming more and more intense. Therefore, steering column manufacturers continue to innovate their structures based on drivers' needs. Diversified performance parameter testing makes the production line cycle longer and longer, such as angle adjustment force, angle holding force, axial adjustment force, axial holding force, handle locking force, handle releasing force, etc. In order to ensure the accuracy of data and reduce the production line cycle, a multifunctional performance test bench is imminent.

Therefore, a multifunctional comprehensive performance test bench is needed, which can realize the testing of various different performances of the steering column at one workstation, reduce the time of tooling changeover and employee transportation during performance testing, which not only greatly reduces the production cycle, but also reduces excess labor.

Utility Model Content

The technical problem to be solved by the utility model is to overcome the existing defects and provide a steering column multifunctional performance test integrated test bench, which can effectively solve the problems in the background technology.

To achieve the above-mentioned purpose, the utility model discloses a comprehensive test bench for multifunctional performance testing of a steering column, and the technical solution adopted is as follows: a test bench and a test column, wherein the test column includes a column lower mounting point, a mounting bracket assembly, a column input assembly, an unlocking handle, a spline sleeve, a steering wheel counterweight and a connector. The test bench is provided with an angle adjustment mechanism, and the angle adjustment mechanism includes a first cylinder, and the first cylinder is rotatably connected to a fifth bracket, and the fifth bracket is fixed to the bottom of the test bench. A first rotating shaft frame is provided on the surface of the test bench, and a fixed column tooling is rotatably connected to the first rotating shaft frame, and a support frame is vertically provided on the fixed column tooling. A second rotating shaft frame is provided at the bottom of the fixed column tooling, and the second rotating shaft frame is connected to the output rod of the first cylinder, so that the fixed column tooling can adjust its angle under the push of the first cylinder. A tightening mechanism is provided above the angle adjustment mechanism, and the tightening mechanism includes a third cylinder, and the third cylinder is fixed to the top of the angle adjustment mechanism through the first bracket. The output rod of the third cylinder is connected to the double push rod, and the tightening mechanism is used to fix the test pipe column to the support frame. There is an axial adjustment mechanism on the left side of the angle adjustment mechanism, and the axial adjustment mechanism includes a fourth bracket, and the fourth bracket is fixed to the test workbench. The fourth bracket is rotatably connected to the second support plate through a rotating shaft, and an arc-shaped notch is provided on the fourth bracket, and the second support plate is fixed to the fourth bracket through the arc-shaped notch and bolts. When the bolts are loosened, the angle can be rotated to adjust. An axial guide rail is provided on the other side of the second support plate, and the axial guide rail slidably connects the angular adjustment mechanism to the axial guide rail through an axial slider. There is a ninth bracket on the second support plate, and the ninth bracket is fixed A fourth cylinder, the output rod of the fourth cylinder is connected to the third support plate through a sixth bracket, the angular adjustment mechanism includes the third support plate, the other side of the third support plate is provided with a first radial guide rail, the first radial guide rail slidably connects the seventh bracket to the first radial guide rail through a first radial slider, the seventh bracket is provided with a clamping claw slide rail, the clamping claw slide rail slidably connects the clamping claw fixing tool to the clamping claw slide rail through a clamping claw slider, the clamping claw fixing tool is connected to the output rod of the fifth cylinder, the fifth cylinder is fixed to the seventh bracket through an eighth bracket, the clamping claw fixing tool is provided with a first clamping claw, the third support plate is provided with a first servo motor, the output shaft of the first servo motor is connected to a lead screw, and the other end of the lead screw is connected to a bearing The seat is fixed to the third support plate, the screw is connected to the seventh bracket through a screw sliding mechanism, the vertical position of the angle adjustment mechanism and the axial adjustment mechanism is provided with a handle unlocking mechanism, the handle unlocking mechanism includes a third bracket, the third bracket is fixed to the test workbench, the surface of the third bracket is provided with a second radial guide rail, the second radial guide rail slidably connects the second bracket to the third bracket through a second radial slider, the second bracket supports a crankshaft tooling, the end of the crankshaft tooling is connected to a second servo motor, the other end of the crankshaft tooling is provided with a first support plate, the first support plate is provided with a second clamp, the bottom of the third bracket is provided with a second cylinder, and the output rod of the second cylinder is connected to the second bracket through a stroke groove.

As a preferred technical solution of the utility model, the bottom of the test workbench is provided with rollers to achieve mobility in placement.

As an optimal technical solution of the utility model, a tooling pin is provided on the top of the support frame, and the tooling pin is used to cooperate with the mounting bracket assembly for positioning. The removable connecting long bolt on the fixed pipe column tooling is used to cooperate with the installation point under the pipe column for positioning.

As a preferred technical solution of the present utility model, a rotation adjustment mechanism is provided on the second support plate, and the second support plate can be auxiliaryly adjusted in angle by the rotation adjustment mechanism.

As a preferred technical solution of the utility model, an adjustment slot is provided on the first support plate, and the second clamping jaw is slidably connected to the inside of the adjustment slot, so that the second clamping jaw can achieve a certain position adjustment.

As a preferred technical solution of the utility model, a scanner is provided on the test workbench on the right side of the angle adjustment mechanism, and the scanner is used to scan and record the test pipe string to realize the traceability function of the test pipe string after loading. A computer is provided on the test workbench above the angle adjustment mechanism.

As a preferred technical solution of the utility model, an angle positioning ruler is provided on the left side of the fixed pipe column tooling, and the angle positioning ruler is used to observe the inclination angle of the fixed pipe column tooling.

As a preferred technical solution of the utility model, a gravity sensor is provided on the clamp fixing tooling for detecting the force measurement value.

As a preferred technical solution of the utility model, the sensor, the computer, the cylinder and the servo motor are electrically connected to an external central controller.

As a preferred technical solution of the utility model, the crankshaft tooling is internally rotatably connected to the transmission shaft, one end of the transmission shaft is connected to the second servo motor, and the other end is connected to the first support plate, and the second servo motor provides power to the first support plate through the transmission shaft.

Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model fixes the test pipe column to the fixed pipe column tooling, unlocks the unlocking handle by the handle unlocking mechanism and moves the angular adjustment mechanism and the first clamp up and down, so as to realize the test of the angular adjustment of the test pipe column, drives the axial movement of the angular adjustment device and the first clamp by the axial adjustment device, realizes the test of the axial adjustment of the test pipe column, locks the unlocking handle by the handle unlocking mechanism and moves the angular adjustment mechanism and the first clamp up and down, and drives the axial movement of the angular adjustment device and the first clamp by the axial adjustment device to realize the test of the axial adjustment holding force of the test pipe column.

BRIEF DESCRIPTION OF THE DRAWINGS

Fig. 1 is a schematic diagram of the structure of the utility model;

FIG2 is a front view of the angle adjustment mechanism of the utility model;

FIG3 is an axonometric view of the axial adjustment mechanism of the utility model;

FIG4 is an axonometric view of the axial adjustment mechanism of the utility model;

FIG5 is an axonometric view of the angular adjustment mechanism of the present invention;

FIG6 is a left side view of the angular adjustment mechanism of the utility model;

FIG7 is a front view of the angular adjustment mechanism of the utility model;

FIG8 is an axonometric view of the angular adjustment mechanism of the present invention;

Figure 9 is an enlarged view of point A of the present utility model;

FIG10 is an axonometric view of the handle unlocking mechanism of the present invention;

FIG11 is a bottom view of the handle unlocking mechanism of the present invention;

FIG12 is an axonometric view of the test pipe string of the utility model;

FIG. 13 is a partial view of the angular adjustment mechanism of the present invention.

In the figure: 1. test workbench; 101. roller; 102. first bracket; 2. angle adjustment mechanism; 201. fixed pipe column tooling; 202. first rotating shaft frame; 203. long bolt; 204. first cylinder; 205. angle positioning ruler; 206. tooling pin; 207. support frame; 208. fifth bracket; 209. second rotating shaft frame; 3. tightening mechanism; 301. third cylinder; 302. double push rod; 4. angle Directional adjustment mechanism; 401, third support plate; 402, axial slider; 403, sixth bracket; 404, first radial guide rail; 405, first radial slider; 406, seventh bracket; 407, eighth bracket; 408, first servo motor; 409, lead screw; 410, clamping jaw fixing tool; 411, fifth cylinder; 412, clamping jaw slide rail; 413, clamping jaw slider; 414, first clamping jaw; 415, bearing seat; 5, shaft 501, fourth bracket; 5011, arc notch; 502, second support plate; 503, axial guide rail; 504, ninth bracket; 505, fourth cylinder; 506, rotating shaft; 507, rotating adjustment mechanism; 6, handle unlocking mechanism; 601, second servo motor; 602, crankshaft tooling; 603, second bracket; 604, third bracket; 605, second radial guide rail; 606, first support plate; 607, adjustment slot; 608, second clamp; 609, second cylinder; 610, travel slot; 611, second radial slider; 7, computer; 8, scanner; 9, test column; 901, column lower mounting point; 902, mounting bracket assembly; 903, column input assembly; 904, unlocking handle; 905, steering wheel counterweight; 906, spline sleeve; 907, connector; 10, gravity sensor; 11, lead screw sliding mechanism.

DETAILED DESCRIPTION

The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

Example

As shown in Figures 1 to 13, the utility model discloses a comprehensive test bench for multifunctional performance testing of a steering column, and the technical scheme adopted is as follows: a test bench 1 and a test column 9, wherein the test column 9 comprises a column lower mounting point 901, a mounting bracket assembly 902, a column input assembly 903, an unlocking handle 904, a spline sleeve 906, a steering wheel counterweight 905 and a connector 907, a roller 101 is provided below the test bench 1, an angle adjustment mechanism 2 is provided on the test bench 1, and the angle adjustment mechanism 2 comprises a first cylinder 204, which is fixed to the bottom of the test bench 1 through a fifth bracket 208, and a first rotating shaft frame 202 is provided on the surface of the test bench 1, and the first rotating shaft frame 202 is rotatably connected to the fixed tube Column fixture 201, the fixed column fixture 201 has a detachable long connecting bolt 203, the fixed column fixture 201 is provided with a support frame 207, the end of the support frame 207 is provided with a fixture pin 206, the bottom of the fixed column fixture 201 has a second rotating axis frame 209, the second rotating axis frame 209 is connected to the output rod of the first cylinder 204, the left side of the fixed column fixture 201 has an angle positioning ruler 205, the angle positioning ruler 205 is fixed to the test workbench 1, the top of the angle adjustment mechanism 2 has a tightening mechanism 3, the tightening mechanism 3 includes a third cylinder 301, the third cylinder 301 is fixed to the test workbench 1 through the first bracket 102, and the output rod of the third cylinder 301 is connected to the double push rod 302.

As a preferred technical solution of the utility model, the angle adjustment mechanism 2 has an axial adjustment mechanism 5 on the left side, and the axial adjustment mechanism 5 includes a fourth bracket 501, the fourth bracket 501 is fixed to the test workbench 1, and the fourth bracket 501 is provided with an arc notch 5011, and the fourth bracket 501 is rotatably connected to the second support plate 502 through a rotating shaft 506, and the second support plate 502 is fixed to the fourth bracket 501 through bolts and the arc notch 5011, and the second support plate 502 and the fourth bracket 501 are provided with a rotation adjustment Mechanism 507, a fourth cylinder 505 is arranged on the second support plate 502, the fourth cylinder 505 is fixed to the second support plate 502 through a ninth bracket 504, the other side of the second support plate 502 has two parallel axial guide rails 503, the second support plate 502 is slidably connected to the angular adjustment mechanism 4 through the axial guide rails 503 and the axial slider 402, the angular adjustment mechanism 4 includes a third support plate 401, a sixth bracket 403 is arranged on the third support plate 401, and the sixth bracket 403 is connected to the output rod of the fourth cylinder 505.

As a preferred technical solution of the utility model, the other side of the third support plate 401 is provided with a first radial guide rail 404, the first radial guide rail 404 is slidably connected to the seventh bracket 406 through a first radial slider 405, the eighth bracket 407 is fixed on the seventh bracket 406, the fifth cylinder 411 is fixed on the eighth bracket 407, and the upper surface of the seventh bracket 406 is provided with a clamping claw slide rail 412, the clamping claw slide rail 412 is slidably connected to the clamping claw fixing tool 410 through a clamping claw slider 413, the clamping claw fixing tool 410 and the fifth cylinder 411 The clamp fixing tool 410 is provided with a first clamp 414, a gravity sensor 10 is provided between the first clamp 414 and the clamp fixing tool 410, a first servo motor 408 is provided at the bottom of the third support plate 401, a lead screw 409 is connected to the output shaft of the first servo motor 408, the other end of the lead screw 409 is rotatably connected to a bearing seat 415, the bearing seat 415 is fixed to the third support plate 401, a lead screw sliding mechanism 11 is slidably connected to the lead screw 409, and the lead screw sliding mechanism 11 is connected to the seventh bracket 406.

As an optimal technical solution of the present utility model, the vertical position of the angle adjustment mechanism 2 and the axial adjustment mechanism 5 is provided with a handle unlocking mechanism 6, and the handle unlocking mechanism 6 includes a third bracket 604, and the third bracket 604 is fixed to the test workbench 1. The surface of the third bracket 604 is provided with a second radial guide rail 605, and the second radial guide rail 605 is connected to the second bracket 603 through a second radial slider 611. The second bracket 603 supports a crankshaft tooling 602, and one end of the crankshaft tooling 602 is provided with a second servo motor 601. The crankshaft tooling 602 is internally rotatably connected to a transmission shaft, one end of the transmission shaft is connected to the second servo motor 601, and the other end of the transmission shaft is connected to a first support plate 606. An adjustment groove 607 is provided on the first support plate 606, and a second clamp 608 is slidably connected in the adjustment groove 607. The bottom of the third bracket 604 is connected to a second cylinder 609, and the output rod of the second cylinder 609 passes through a stroke groove 610 and is connected to the second bracket 603.

As a preferred technical solution of the utility model, a computer 7 is provided on the top of the test workbench 1, a scanner 8 is provided on the right side of the test workbench 1, and the servo motor, cylinder, gravity sensor 10, computer 7 and scanner 8 are electrically connected to an external central controller.

The working principle of the utility model is as follows: pull out the long bolt 203, place the mounting bracket assembly 902 of the test pipe column 9 on the tooling pin 206, and then pass the long bolt 203 through the lower mounting point 901 of the pipe column to fix it to the fixed pipe column tooling 201, adjust the angle adjustment mechanism 4 to a suitable angle by loosening the bolt in the arc-shaped notch 5011 to adjust the rotating adjustment mechanism 507, adjust the position of the second clamping jaw 608 in the adjustment groove 607 to make the second clamping jaw 608 located at a specified position, start the equipment, the third cylinder 301 pushes the double push rod 302 down to the mounting bracket assembly 902 to achieve fixation, the first cylinder 204 retracts and expands, pushes the fixed pipe column tooling 201 to drive the test pipe column 9 to swing to a suitable angle, the fourth cylinder 505 pushes the angle adjustment mechanism 4 to a suitable position, the fifth cylinder 411 pushes the first clamping jaw 414 to the connector 907, and at this time the second cylinder 609 pushes the second clamping jaw 608 to the unlocking handle 904, and preparations are now ready. , start the second servo motor 601, the second servo motor 601 drives the second clamping jaw 608 to rotate, drives the unlocking handle 904 to lock or release, and tests the unlocking force and releasing force of the unlocking handle 904. When the unlocking handle 904 is in the unlocking state, the first servo motor 408 rotates clockwise and counterclockwise, so that the first clamping jaw 414 can move up and down, drive the pipe string input assembly 903 to swing up and down, and realize the angular adjustment of the test pipe string 9. The fourth cylinder 505 outputs the rod to extend and retract, thereby driving the first clamping jaw 414 to move axially, and realizes the axial adjustment test of the test pipe string 9. The second servo motor 601 drives the second clamping jaw 608 to rotate in the opposite direction, and puts the unlocking handle 904 in a locked state. At this time, the first servo motor 408 rotates clockwise and counterclockwise to test the holding force of the angular adjustment of the test pipe string 9, and the fourth cylinder 505 outputs the rod to extend and retract, so as to realize the holding force of the axial adjustment of the test pipe string 9.

The circuits and mechanical connections involved in the utility model are common means used by those skilled in the art, and technical inspiration can be obtained through a limited number of experiments, which are common knowledge.

Components not described in detail herein are prior art.

Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims (9)

1. A comprehensive test bench for testing the multifunctional performance of a steering column, comprising a test bench (1) and a test column (9), wherein the test column (9) comprises a column lower mounting point (901), a mounting bracket assembly (902), a column input assembly (903), an unlocking handle (904), a spline sleeve (906), a steering wheel counterweight (905) and a connector (907), wherein the test bench (1) is provided with an angle adjustment mechanism (2), wherein the angle adjustment mechanism (2) comprises a first cylinder (204), wherein the first cylinder (204) is rotatably connected to a fifth cylinder (204). The fifth bracket (208) is fixed to the bottom of the test bench (1), the surface of the test bench (1) is provided with a first rotating shaft frame (202), a fixed pipe column tooling (201) is rotatably connected to the first rotating shaft frame (202), a support frame (207) is vertically provided on the fixed pipe column tooling (201), a second rotating shaft frame (209) is provided at the bottom of the fixed pipe column tooling (201), the second rotating shaft frame (209) is connected to the output rod of the first cylinder (204), and a tightening machine is provided above the angle adjustment mechanism (2). The tightening mechanism (3) comprises a third cylinder (301), the third cylinder (301) is fixed to the top of the angle adjustment mechanism (2) through a first bracket (102), the output rod of the third cylinder (301) is connected to the double push rod (302), and an axial adjustment mechanism (5) is provided on the left side of the angle adjustment mechanism (2), the axial adjustment mechanism (5) comprises a fourth bracket (501), the fourth bracket (501) is fixed to the test workbench (1), and the fourth bracket (501) is rotatably connected to the second support plate through a rotating shaft (506). (502), an arc-shaped notch (5011) is provided on the fourth support (501), and the second support plate (502) is fixed to the fourth support (501) via the arc-shaped notch (5011) and bolts, an axial guide rail (503) is provided on the other surface of the second support plate (502), and the axial guide rail (503) slidably connects the angular adjustment mechanism (4) to the axial guide rail (503) via an axial slider (402), and a ninth support (504) is provided on the second support plate (502), and a fourth cylinder is fixed on the ninth support (504). (505), the output rod of the fourth cylinder (505) is connected to the third support plate (401) through the sixth support (403), the angular adjustment mechanism (4) includes the third support plate (401), the other side of the third support plate (401) has a first radial guide rail (404), the first radial guide rail (404) slidably connects the seventh support (406) to the first radial guide rail (404) through the first radial slider (405), the seventh support (406) has a clamping claw slide rail (412), the clamping claw slide rail (412) is connected to the first radial guide rail (404) through the clamping claw slide The block (413) slidably connects the clamping jaw fixing fixture (410) to the clamping jaw slide rail (412); the clamping jaw fixing fixture (410) is connected to the output rod of the fifth cylinder (411); the fifth cylinder (411) is fixed to the seventh bracket (406) through the eighth bracket (407); the clamping jaw fixing fixture (410) is provided with a first clamping jaw (414); the third support plate (401) is provided with a first servo motor (408); the output shaft of the first servo motor (408) is connected to a lead screw (409); the other end of the lead screw (409) is connected to the lead screw (409) through a bearing The seat (415) is fixed to the third support plate (401), the lead screw (409) is connected to the seventh bracket (406) through a lead screw sliding mechanism (11), and the vertical position of the angle adjustment mechanism (2) and the axial adjustment mechanism (5) is provided with a handle unlocking mechanism (6), and the handle unlocking mechanism (6) includes a third bracket (604), the third bracket (604) is fixed to the test workbench (1), and the surface of the third bracket (604) has a second radial guide rail (605), and the second radial guide rail (605) is connected to the seventh bracket (406) through a second radial slider (61 1) Slidingly connecting the second bracket (603) to the third bracket (604), the second bracket (603) supports a crankshaft fixture (602), the end of the crankshaft fixture (602) is connected to a second servo motor (601), the other end of the crankshaft fixture (602) is provided with a first support plate (606), the first support plate (606) is provided with a second clamping claw (608), the bottom of the third bracket (604) is provided with a second cylinder (609), and the output rod of the second cylinder (609) is connected to the second bracket (603) via a travel groove (610). 2. A steering column multifunctional performance test bench according to claim 1, characterized in that: a roller (101) is provided at the bottom of the test bench (1). 3. A steering column multifunctional performance test bench according to claim 1, characterized in that: a tooling pin (206) is provided on the top of the support frame (207), and a detachable long connecting bolt (203) is provided on the fixed column tooling (201). 4. A steering column multifunctional performance test bench according to claim 1, characterized in that: a rotation adjustment mechanism (507) is provided on the second support plate (502). 5. A steering column multifunctional performance test bench according to claim 1, characterized in that: an adjustment groove (607) is opened on the first support plate (606), and the second clamping claw (608) is slidably connected to the inside of the adjustment groove (607). 6. A steering column multifunctional performance test bench according to claim 1, characterized in that: a scanning gun (8) is provided on the test bench (1) on the right side of the angle adjustment mechanism (2), and a computer (7) is provided on the test bench (1) above the angle adjustment mechanism (4). 7. A steering column multifunctional performance test bench according to claim 1, characterized in that an angle positioning ruler (205) is provided on the left side of the fixed column tooling (201). 8. A steering column multifunctional performance test bench according to claim 1, characterized in that: a gravity sensor (10) is provided on the clamping jaw fixing fixture (410). 9. A steering column multifunctional performance test bench according to claim 1, characterized in that: the crankshaft fixture (602) is internally rotatably connected to a transmission shaft, one end of the transmission shaft is connected to the second servo motor (601), and the other end is connected to the first support plate.