CN218566911U - Truck driving wheel positioning device - Google Patents

Abstract

The utility model discloses a truck driving wheel positioning device, relating to the technical field of automobile wheel positioning; the floating disc mechanism comprises a plurality of pairs of rotating floating discs, wherein the pairs of rotating floating discs are arranged into two rows, and the two rows of rotating floating discs are distributed in an axisymmetric manner; the positioning detection device also comprises a 3D laser testing mechanism and a laser transfer mechanism; the 3D laser testing mechanism comprises a 3D laser tester and a computer, and the computer is electrically connected with the 3D laser tester; the laser transfer mechanism comprises a pair of rails which are symmetrically distributed about the axis of the floating disc mechanism, the pair of rails are parallel to each other and are positioned on the outer side of the floating disc mechanism; each rail is provided with a movable seat which is movably clamped on the rail; and each movable seat is fixedly connected with a 3D laser tester, and the laser emitting side of the 3D laser tester faces the direction of the rotary floating disc.

Description

Truck driving wheel positioning device

Technical Field

The utility model relates to a car wheel location technical field specifically is a truck drive wheel positioner.

Background

The wheel alignment parameters have a crucial role in the handling stability of the vehicle. In order to ensure the straight-line running of the wheel, the wheel alignment parameters need to be tested. The test contents of the wheel alignment parameters mainly comprise toe-in, camber angle, symmetry axis, running direction of each axle, left-right deflection angle and horizontal inclination angle of a steering wheel, runout compensation of toe-in and camber angle, double-front-axle parallelism double-front-axle type, and parallelism and perpendicularity of a rear axle. However, the existing positioning detection device needs a plurality of operators to work in a matching way in the detection process; the existing positioning detection device only has a pair of floating discs, so the device is only suitable for positioning the driving tire of a single-drive vehicle and cannot be used for positioning the driving tire of a double-drive vehicle; in addition, the existing wheel positioning device adopts a 2D laser testing technology, and the detection result is not accurate enough, so the existing technology needs to be improved; in addition, in the conventional measuring device, since the laser testing device is not limited at all, the positions of the laser testing device in the X-axis direction and the Y-axis direction need to be corrected respectively after the position of the laser testing device is adjusted, and the correction takes a long time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a truck drive wheel positioner to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a truck driving wheel positioning device comprises a floating disc mechanism, wherein the floating disc mechanism comprises a plurality of pairs of rotating floating discs, the rotating floating discs are arranged into two rows, and the two rows of rotating floating discs are distributed in an axisymmetric manner; the positioning device also comprises a positioning detection device, and the positioning detection device also comprises a 3D laser testing mechanism and a laser transfer mechanism; the 3D laser testing mechanism comprises a 3D laser tester and a computer, and the computer is electrically connected with the 3D laser tester; the laser transfer mechanism comprises a pair of rails which are symmetrically distributed about the axis of the floating disc mechanism, the pair of rails are parallel to each other and are positioned at the outer side of the floating disc mechanism; each rail is provided with a movable seat, and the movable seat is movably clamped on the rail; and each movable seat is fixedly connected with a 3D laser tester, and one laser emitting side of the 3D laser tester faces the direction of the rotary floating disc.

As a preferred technical solution of the present invention, each of the tracks is fixedly connected with a screw, the screw penetrates through the movable seat and the movable seat is in threaded connection with the screw, the movable seat is fixedly connected with a stepping motor, a driving shaft of the stepping motor is inserted into the movable seat, and a driving gear is fixedly sleeved on the driving shaft of the stepping motor; a threaded sleeve is sleeved on the rod part of the screw rod positioned in the movable seat in a threaded manner, two ends of the threaded sleeve are abutted against the inner wall of the movable seat, and a driven gear is fixedly sleeved on the threaded sleeve; the driving gear and the driven gear are meshed with each other. Through setting up step motor drive sliding seat and moving along the track, can realize the position of automatic and accurate control sliding seat.

As a preferred technical scheme of the utility model, the equal gomphosis in both ends of thread bush has the ball, the ball offsets with the inner wall of sliding seat. Through setting up the inner wall counterbalance of ball and sliding seat, can avoid the sliding friction loss between thread bush and the sliding seat, also can reduce the rotational resistance of thread bush simultaneously.

As a preferred technical scheme of the utility model, every the fixed frame of equal fixedly connected with laser tester on the sliding seat, the 3D laser tester block in the fixed frame of laser tester inside and the fixed frame fixed connection of 3D laser tester and laser tester.

As an optimal technical scheme of the utility model, every all be provided with two sliding seats on the track. Through setting up two movable seats, can install two 3D laser testers on every slide rail, during the test, lie in the truck and can be detected by the 3D laser tester with two drive wheels of one side simultaneously, be favorable to sparingly measuring time.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up 3D laser tester and computer, can improve drive wheel positioning parameter's detection accuracy.

2. The utility model discloses a set up laser transfer mechanism, can receive orbital injecing with 3D laser tester along track adjusting position, in accommodation process, 3D laser tester, so the orbital direction of perpendicular to need not rectify, only need rectify along the position of track direction can, the correction operation is more time-saving.

3. The utility model discloses a set up two pairs and rotate the floating plate, can satisfy the detection demand of the drive wheel of dual drive truck.

Drawings

FIG. 1 is a schematic view of a truck drive wheel positioning device;

FIG. 2 is a schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic view of a first perspective of a connection structure between a movable seat, a screw, a threaded sleeve, a driving gear and a driven gear in a truck driving wheel positioning device;

FIG. 4 is a schematic view of the structure at B in FIG. 3;

FIG. 5 is a second perspective view of a connection structure between a movable seat, a threaded rod, a threaded sleeve, a driving gear and a driven gear in a truck drive wheel positioning apparatus;

fig. 6 is a schematic structural diagram at C in fig. 5.

In the figure: 1. rotating the floating disc; 2. a 3D laser tester; 3. a track; 4. a movable seat; 5. a screw; 6. a stepping motor; 7. a drive gear; 8. a threaded sleeve; 9. a driven gear; 10. a ball bearing; 11. laser tester fixes frame.

Detailed Description

In order to make the technical solutions in the embodiments of the present application better understood, the technical solutions in the embodiments of the present application will be described below clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict, and the present application will be described in detail with reference to fig. 1 to 6 in conjunction with the embodiments.

Example 1

Referring to fig. 1, fig. 2, fig. 3 and fig. 5, the present embodiment provides a positioning device for a driving wheel of a truck, which includes a floating plate mechanism, where the floating plate mechanism includes two pairs of rotating floating plates 1, the two pairs of rotating floating plates 1 are arranged in two rows, and the two rows of rotating floating plates 1 are axially symmetrically distributed; during testing, four driving wheels of the dual-drive truck are respectively positioned on one rotating floating disc 1; the positioning detection device also comprises a 3D laser testing mechanism and a laser transfer mechanism; the 3D laser testing mechanism comprises a 3D laser tester 2 and a computer, and the computer is electrically connected with the 3D laser tester 2; the laser transfer mechanism comprises a pair of rails 3 which are symmetrically distributed about the axis of the floating disc mechanism, the pair of rails 3 are parallel to each other, and the pair of rails 3 are positioned at the outer side of the floating disc mechanism; each track 3 is provided with a movable seat 4, and the movable seat 4 is movably clamped on the track 3; when the movable seat 4 is moved, the position of the movable seat 4 in the direction perpendicular to the rail 3 is never changed due to the limitation of the rail 3, so that the position of the movable seat 4 in the direction perpendicular to the rail 3 is not corrected, and only the position of the movable seat 4 along the rail 3 needs to be corrected after the position is adjusted each time. A laser tester fixing frame 11 is fixedly connected to each movable seat 4, a 3D laser tester 2 is clamped inside the laser tester fixing frame 11, and a shell of the 3D laser tester 2 is fixedly connected with the laser tester fixing frame 11 through bolts; the 3D laser tester 2 emits laser light in a direction toward the rotating float 1. The 3D laser tester 2 emits laser to the tire and receives the laser reflected from the tire, the 3D laser tester 2 transmits the received laser data reflected back to the computer, and the computer obtains tire positioning parameters through calculation; each track 3 is fixedly connected with a screw rod 5, the screw rods 5 penetrate through the movable seat 4, the movable seat 4 is in threaded connection with the screw rods 5, the movable seat 4 is fixedly connected with a stepping motor 6, a driving shaft of the stepping motor 6 is inserted into the movable seat 4, and a driving gear 7 is fixedly sleeved on the driving shaft of the stepping motor 6; a threaded sleeve 8 is arranged on a threaded sleeve 8 on a rod part of the screw rod 5 positioned in the movable seat 4, two ends of the threaded sleeve 8 are abutted against the inner wall of the movable seat 4, and a driven gear 9 is fixedly sleeved on the threaded sleeve 8; the drive gear 7 and the driven gear 9 are engaged with each other. Starting the stepping motor 6, driving the driving gear 7 to rotate by the rotating shaft of the stepping motor 6, driving the driven gear 9 to rotate by the driving gear 7, driving the threaded sleeve 8 to rotate by the driven gear 9, and horizontally moving the threaded sleeve 8 along the screw rod 5 as the threaded sleeve 8 is meshed with the screw rod 5 in a threaded manner; because both ends of the threaded sleeve 8 are abutted against the inner wall of the movable seat 4, the threaded sleeve 8 drives the whole movable seat 4 to horizontally move along the screw rod 5, and the position adjustment of the 3D laser tester 2 is realized. In the present embodiment, the stepping motor 6 controls the number of revolutions by a preset program or computer software, which belongs to the prior art of the stepping motor 6 and will not be described in detail herein. The 3D laser tester 2 is moved to a testing position by adjusting the movable seat 4, the 3D laser tester 2 emits laser to the tire and receives the laser reflected from the tire, and the data of the received reflected laser is transmitted to a computer, and the computer obtains the positioning parameters of the tire through calculation.

The beneficial effects of this embodiment:

in the embodiment, the detection accuracy of the driving wheel positioning parameters can be improved by arranging the 3D laser tester 2 and the computer. In the embodiment, the 3D laser tester 2 can be adjusted in position along the rail 3 by arranging the laser transfer mechanism, and the 3D laser tester 2 is limited by the rail 3 in the adjusting process, so that the direction perpendicular to the rail 3 does not need to be corrected, only the position along the rail 3 needs to be corrected, and the correcting operation saves more time. The detection requirement of the driving wheel of the dual-drive truck can be met by arranging the two pairs of rotating floating plates 1. In the embodiment, the stepping motor 6 is arranged to drive the movable seat 4 to move along the track 3, so that the position of the movable seat 4 can be automatically and accurately controlled.

Example 2

Referring to fig. 4 and fig. 6, embodiment 2 is an improvement on the basis of embodiment 1, and the specific improvements are as follows: both ends of the threaded sleeve 8 are embedded with balls 10, and the balls 10 are abutted against the inner wall of the movable seat 4. Through setting up ball 10 and the inner wall counterbalance of sliding seat 4, can avoid the sliding friction loss between thread bush 8 and sliding seat 4, also can reduce the rotational resistance of thread bush 8 simultaneously.

Example 3

Referring to fig. 1, embodiment 3 is an improvement on the basis of embodiment 1, and the specific improvements are as follows: each track 3 is provided with two movable seats 4; through setting up two sliding seats 4, can install two 3D laser testers 2 on every slide rail, during the test, two drive wheels that lie in truck same one side can be detected by 3D laser tester 2 simultaneously, are favorable to sparingly measuring time.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims (5)

1. The positioning device for the driving wheel of the truck comprises a floating disc mechanism and is characterized in that the floating disc mechanism comprises two pairs of rotating floating discs (1), the two pairs of rotating floating discs (1) are arranged into two rows, and the two rows of rotating floating discs (1) are distributed in an axisymmetric manner; the positioning device also comprises a positioning detection device, and the positioning detection device also comprises a 3D laser testing mechanism and a laser transfer mechanism; the 3D laser testing mechanism comprises a 3D laser tester (2) and a computer, and the computer is electrically connected with the 3D laser tester (2); the laser transfer mechanism comprises a pair of rails (3) which are symmetrically distributed about the axis of the floating disc mechanism, the pair of rails (3) are parallel to each other, and the pair of rails (3) are positioned on the outer side of the floating disc mechanism; each rail (3) is provided with a movable seat (4), and the movable seat (4) is movably clamped on the rail (3); each movable seat (4) is fixedly connected with a 3D laser tester (2), and the laser emitting side of each 3D laser tester (2) faces the direction of the rotary floating disc (1).

2. The truck driving wheel positioning device according to claim 1, wherein a screw (5) is fixedly connected to each track (3), the screw (5) penetrates through the movable seat (4), the movable seat (4) is in threaded connection with the screw (5), a stepping motor (6) is fixedly connected to the movable seat (4), a driving shaft of the stepping motor (6) is inserted into the movable seat (4), and a driving gear (7) is fixedly sleeved on the driving shaft of the stepping motor (6); a threaded sleeve (8) is arranged on a threaded sleeve (8) on the rod part of the screw rod (5) positioned in the movable seat (4), two ends of the threaded sleeve (8) are abutted against the inner wall of the movable seat (4), and a driven gear (9) is fixedly sleeved on the threaded sleeve (8); the driving gear (7) and the driven gear (9) are meshed with each other.

3. The truck driving wheel positioning device according to claim 2, wherein the two ends of the threaded sleeve (8) are respectively embedded with a ball (10), and the balls (10) are abutted against the inner wall of the movable seat (4).

4. A truck driving wheel positioning device according to claim 1, characterized in that a laser tester fixing frame (11) is fixedly connected to each movable seat (4), the 3D laser tester (2) is engaged inside the laser tester fixing frame (11) and the 3D laser tester (2) is fixedly connected to the laser tester fixing frame (11).

5. A truck drive wheel positioning device according to claim 1, characterized in that two movable seats (4) are provided on each track (3).

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