CN214584071U - Automobile steering angle test bed with straightening mechanism - Google Patents
Automobile steering angle test bed with straightening mechanism Download PDFInfo
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- CN214584071U CN214584071U CN202120970136.0U CN202120970136U CN214584071U CN 214584071 U CN214584071 U CN 214584071U CN 202120970136 U CN202120970136 U CN 202120970136U CN 214584071 U CN214584071 U CN 214584071U
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- moving frame
- straightening
- frame
- floating
- steering angle
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Abstract
The utility model discloses an automobile steering angle test bed with a straightening mechanism, wherein a first moving frame and a second moving frame of a synchronous moving frame are simultaneously close to the middle point of a central axis or far away from the middle point of the central axis along the central axis of the synchronous moving frame; the top parts of the first moving frame and the second moving frame are respectively provided with a floating turntable, the top of the floating turntable is flush with the top parts of the first moving frame and the second moving frame, and the floating turntable rotates 360 degrees clockwise or anticlockwise along the center of the floating turntable; two sets of aligning mechanisms are fixed respectively in synchronous motion frame both sides and from first moving frame and the second moving frame top directional two centers of floating the carousel, guarantee vehicle center and the coincidence of the steering angle test bench geometric centre line, and synchronous motion frame adjusts according to the car of different wheel gauges for two wheels drive into floating the carousel and carry out the angle test after counterpointing, have detection efficiency height, detect the characteristics that the accuracy is high, application scope is wide, applicable in the car of different wheel gauges.
Description
Technical Field
The utility model relates to an automobile performance testing tool, concretely relates to automobile steering angle test bench of mechanism is ajusted in area.
Background
Whether the steering angle of the front wheel of the automobile is qualified or not directly influences the comfort and safety of driving the automobile and the running stability of the automobile.
In recent years, in automobile manufacturers, demands for precision, standardization, and rationalization of the steering angle adjustment of front wheels of an off-line vehicle have been increasing, and the quality control thereof has been taking a greater weight.
The maximum turning angle of the automobile steering wheel directly influences the turning radius of the automobile, the turning radius is an important parameter of the automobile, and the turning radius relates to the safe driving of the automobile on a road. Therefore, the maximum turning angle of the steering wheel of the automobile is a necessity item of the automobile manufacturer. The traditional detection device is high in labor intensity, low in detection efficiency, poor in detection precision and narrow in application range, needs cooperation of multiple persons, cannot be suitable for automobiles with different wheel pitches, and cannot realize full coverage of detection on the maximum turning angle performance of various automobile steering wheels.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that current automobile steering angle test bench intensity of labour is big, needs many people to cooperate, and detection efficiency is low, the precision is poor, and application scope is narrow simultaneously, can not be applicable to the car of different wheel bases, can't realize the full coverage that detects all kinds of automobile steering wheel maximum rotation angle performance, the utility model aims to provide a mechanism is ajusted in area's automobile steering angle test bench solves above-mentioned technical problem.
The utility model discloses a following technical scheme realizes:
the utility model provides a take car steering angle test bench of mechanism of putting, includes: the device comprises a table body frame, a synchronous moving frame, a floating turntable and a straightening mechanism;
the synchronous moving frame comprises a first moving frame and a second moving frame, and the first moving frame and the second moving frame are close to the middle point of the central axis or far away from the middle point of the central axis along the central axis of the synchronous moving frame;
the top parts of the first moving frame and the second moving frame are respectively provided with a floating turntable, the top of the floating turntable is flush with the top parts of the first moving frame and the second moving frame, and the floating turntable rotates 360 degrees clockwise or anticlockwise along the center of the floating turntable;
the first moving frame and the second moving frame are respectively provided with a group of righting mechanisms, and the two groups of righting mechanisms are respectively fixed on two sides of the synchronous moving frame and point to the centers of the two floating turntables from the tops of the first moving frame and the second moving frame, so that the centers of the vehicles are ensured to be coincident with the geometric center line of the equipment.
The working principle of the scheme is as follows: the front wheels of the vehicle to be detected are firstly driven into the synchronous moving frame, the synchronous moving frame is initially aligned to carry out vehicle distance adjustment, so that the two wheels are driven into the floating turntable, secondary alignment is carried out on the floating turntable by the aligning mechanism, the accurate positioning of the front wheels of the vehicle in the driving direction is ensured, the floating turntable is driven to rotate left and right when the wheels rotate left and right, and the steering angle of the wheels can be obtained according to the rotating amplitude of the floating turntable; the test bed is special equipment for detecting the steering angle of the front wheel of the automobile, and is used for testing the maximum steering angle and the related value of the steering wheel of the automobile and can finish other detection items with high positioning requirements of the front axle of the automobile on the test bed.
The platform body frame is internally provided with a first sliding guide rail and a second sliding guide rail, the first moving frame slides back and forth along the first sliding guide rail, and the second moving frame slides back and forth along the second sliding guide rail.
The further optimization scheme is that the synchronous moving frame further comprises a synchronous mechanism, the synchronous mechanism is arranged between the first sliding guide rail and the second sliding guide rail, one end of the synchronous mechanism is connected with the first moving frame, the other end of the synchronous mechanism is connected with the second moving frame, and the synchronous mechanism pulls the first moving frame and the second moving frame to be synchronously close to or away from each other.
The synchronous moving frame is used for adapting to vehicles with different wheel tracks, and the first moving frame and the second moving frame move synchronously through the synchronous mechanism.
The further optimization scheme is that the centering mechanism comprises a centering piece, a centering frame and a centering servo motor, the centering piece is installed on two sides of the synchronous moving frame in the table body frame through the centering frame, the centering servo motor and the centering piece are installed on the centering frame, and the centering servo motor drives the centering piece to move back and forth.
The front wheel of the vehicle drives into the floating turntable correctly, so that the coincidence of the center of the vehicle and the geometric center line of the equipment is basically ensured, at the moment, the center of the vehicle and the geometric center line of the equipment are completely ensured to be coincident through secondary centering by the centering mechanism, the steering angle of the wheel can be tested after accurate positioning, and a detection project with high requirement on the positioning of the front axle of the vehicle can be made.
The further optimization scheme is that hole sites with diameters larger than the diameter of the floating rotary table are arranged at the tops of the first movable frame and the second movable frame, so that the floating rotary table can rotate conveniently.
The further optimization scheme is that a guide mechanism is further arranged on the synchronous moving frame, a group of guide mechanisms is respectively arranged on the tops of the first moving frame and the second moving frame, and the guide mechanisms guide wheels to drive into the floating rotary table.
When a vehicle enters the floating turntable, the wheel track is automatically adapted and centered through a wheel channel (guide mechanism) with a guide function. The floating turntable is designed in the shape of a circular disc and can rotate and float around the center. The center of the floating rotary disk is provided with an encoder for measuring the rotation angle of the disk. The floating rotary disc can be locked by one cylinder, so that the vehicle can conveniently enter and exit, and the initial position of the floating rotary disc is ensured.
The further optimization scheme is that the central axis of the guide mechanism is superposed with the central axis of the floating turntable.
The further optimization scheme is that the guide mechanism comprises a first guide group and a second guide group, the first guide group is an equidistant limiting group, one end of the first guide group points to the floating turntable, the other end of the first guide group is connected with the second guide group, the second guide group is an splayed limiting group, and one side with a small opening is connected with the first guide group.
The further optimization scheme is that a stepped limiting piece group and a friction block are arranged on the surface of the floating rotary disc, and the friction block is arranged in the middle of the stepped limiting piece group.
After the vehicle tires enter the floating rotary table, the tires are limited through the stepped limiting piece group, so that the tires are located on the axis of the floating rotary table, and the friction block on the surface of the floating rotary table can increase the friction force between the tires of the floating rotary table when the steering angle is tested, so that the obtained corner of the floating rotary table is closer to the actual corner of the tires, and the detection precision is effectively improved.
If the vehicle deviates from the center position of the floating turntable in front of the platform, the wheel can impact the first guide group or the second guide group of the guide mechanism, so that the first moving frame and the second moving frame move synchronously or the wheel moves leftwards and rightwards (a roller capable of facilitating the left and right movement of the wheel is arranged between the second guide groups), and the front wheel can correctly drive into the floating turntable under the condition that the vehicle deviates from the geometric center line of the platform; the center of the vehicle is approximately matched with the geometric center line of the test board, after the vehicle drives on the floating turntable, the centering servo motor of the centering mechanism enables the centering piece to extend out, the centering piece enables the wheel to move left and right again along with the floating turntable, the coincidence of the center of the vehicle and the geometric center line of the test board can be ensured, the accurate positioning is realized, and the subsequent corner test or other test work is facilitated.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
1. the utility model relates to a take car steering angle test bench of mechanism of ajusting, synchronous movement frame adjusts according to the car of different wheel bases for two wheels drive into and carry out the angle test after the carousel of floating counterpointing, have low in labor strength, detection efficiency height, detect characteristics that the accuracy is high, application scope is wide, applicable car in different wheel bases.
2. The utility model relates to a take car steering angle test bench of mechanism of ajusting, the clutch blocks on unsteady carousel surface can be when turning to the angle test, and the increase carousel that floats is used for the frictional force between the tire for the carousel corner that floats that acquires is closer with the actual corner of tire, effectively improves and detects the precision.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a schematic view of a partial structure of the synchronous moving frame of the present invention;
FIG. 4 is a schematic view of a partial structure of the aligning mechanism of the present invention;
FIG. 5 is a schematic view of the floating rotary table of the present invention;
fig. 6 is a cross-sectional view of the floating rotary table of the present invention.
Reference numbers and corresponding part names:
1-table body frame, 2-synchronous moving frame, 21-first moving frame, 22-second moving frame, 3-floating turntable, 4-correcting mechanism, 41-correcting piece, 42-correcting frame, 43-correcting servo motor, 5-first sliding guide rail, 6-second sliding guide rail, 7-guiding mechanism, 71-first guiding group and 72-second guiding group.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail so as not to obscure the present invention.
Throughout the specification, reference to "one embodiment," "an embodiment," "one example," or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the present invention. Thus, the appearances of the phrases "one embodiment," "an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In the description of the present invention, it should be understood that the terms "front", "back", "left", "right", "upper", "lower", "vertical", "horizontal", "high", "low", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the scope of the present invention.
Example 1
As shown in fig. 1 and 2, the present embodiment provides an automobile steering angle test stand with a straightening mechanism, including: the device comprises a table body frame 1, a synchronous moving frame 2, a floating turntable 3 and a centering mechanism 4;
the synchronous moving frame 2 comprises a first moving frame 21 and a second moving frame 22, and the first moving frame 21 and the second moving frame 22 are simultaneously close to the middle point of the central axis or far away from the middle point of the central axis along the central axis of the synchronous moving frame 2;
the top parts of the first moving frame 21 and the second moving frame 22 are respectively provided with a floating turntable 3, the top of the floating turntable 3 is flush with the top parts of the first moving frame 21 and the second moving frame 22, and the floating turntable 3 rotates 360 degrees clockwise or anticlockwise along the center of the floating turntable;
the floating rotary plate 3 is installed on top of the first moving frame 21 and the second moving frame 22, and the floating rotary plate 3 is rotated clockwise or counterclockwise by 360 ° along the center thereof. The central distance between the two floating turntables 3 on the first moving frame 21 and the second moving frame 22 ranges from 1450mm to 1850mm so as to adapt to the requirements of different automobile steering wheel track distances
The first moving frame 21 and the second moving frame 22 are respectively provided with a group of righting mechanisms 4, and the two groups of righting mechanisms 4 are respectively fixed on two sides of the synchronous moving frame 2 and point to the centers of the two floating turntables 3 from the tops of the first moving frame 21 and the second moving frame 22, so that the centers of the vehicles are ensured to be coincident with the geometric center line of the equipment.
The table body frame 1 is internally provided with a first sliding guide rail 5 and a second sliding guide rail 6, the first moving frame 21 slides back and forth along the first sliding guide rail 5, and the second moving frame 22 slides back and forth along the second sliding guide rail 6.
As shown in fig. 3, the synchronous moving frame 2 further includes a synchronizing mechanism 23, the synchronizing mechanism 23 is disposed between the first sliding guide rail 5 and the second sliding guide rail 6, one end of the synchronizing mechanism 23 is connected to the first moving frame 21, the other end of the synchronizing mechanism 23 is connected to the second moving frame 22, and the synchronizing mechanism 23 pulls the first moving frame 21 and the second moving frame 22 to approach or move away synchronously.
As shown in fig. 4, the centering mechanism 4 includes a centering member 41, a centering frame 42 and a centering servo motor 43, the centering member 41 is installed on both sides of the synchronously moving frame 2 in the table frame 1 through the centering frame 42, the centering servo motor 43 and the centering member 41 are installed on the centering frame 42, and the centering servo motor 43 drives the centering member 41 to move back and forth.
Hole sites with diameters larger than that of the floating rotary disc 3 are arranged at the tops of the first moving frame 21 and the second moving frame 22, so that the floating rotary disc 3 can rotate conveniently.
The synchronous moving frame 2 is also provided with a guide mechanism 7, a group of guide mechanisms 7 are respectively arranged on the tops of the first moving frame 21 and the second moving frame 22, and the guide mechanisms 7 guide wheels to drive into the floating rotary disc 3.
The guide mechanism 7 comprises a first guide group 71 and a second guide group 72, the first guide group 71 is an equidistant limiting group, one end of the first guide group 71 points to the floating turntable 3, the other end of the first guide group is connected with the second guide group 72, the second guide group 72 is a splayed limiting group, and one side with a small opening is connected with the first guide group 71.
As shown in fig. 5 and 6, a stepped stopper set 31 and a friction block 32 are arranged on the surface of the floating rotary disk 3, and the friction block 32 is installed in the middle of the stepped stopper set 31.
Before and after testing, the floating rotary table 3 needs to be fixed to prevent the floating rotary table from rotating, the floating rotary table 3 adopts a clamping mode of a front group of cylinders and a rear group of cylinders, when pistons of the two groups of cylinders extend out, the floating rotary table 3 is clamped, wheels can conveniently drive in (out) the floating rotary table 3, and when the pistons return, the floating rotary table 3 can rotate at the moment. The floating rotary disc 3 can do plane compound movement (left-right translation, front-back translation and rotation movement). The centering rod of the centering mechanism extends out from the left side and the right side, the floating rotary disc 3 can move left and right once more, the front wheels of the vehicle are accurately positioned in the driving direction, a high-precision encoder is installed below the central rotating shaft of the floating rotary disc 3, when the wheels drive the floating rotary disc 3 to rotate left and right, the encoder can measure the rotating angle of the floating rotary disc 3, the steering angle of the vehicle can be obtained, and detection items with high requirements on positioning of the front axle of the vehicle, such as detection of driving auxiliary function items, can be further carried out.
The steering angle test bed has the advantages of reasonable equipment layout, high and reliable action precision, high positioning precision of the vehicle and capability of executing other detection items at the station, and meets the requirement of detecting the steering angle of the front wheel of the vehicle.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120970136.0U CN214584071U (en) | 2021-05-08 | 2021-05-08 | Automobile steering angle test bed with straightening mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120970136.0U CN214584071U (en) | 2021-05-08 | 2021-05-08 | Automobile steering angle test bed with straightening mechanism |
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| Publication Number | Publication Date |
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| CN214584071U true CN214584071U (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120970136.0U Expired - Fee Related CN214584071U (en) | 2021-05-08 | 2021-05-08 | Automobile steering angle test bed with straightening mechanism |
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| CN (1) | CN214584071U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115014813A (en) * | 2022-02-28 | 2022-09-06 | 南京依维柯汽车有限公司 | Automobile corner measuring method based on electronic gyroscope |
-
2021
- 2021-05-08 CN CN202120970136.0U patent/CN214584071U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115014813A (en) * | 2022-02-28 | 2022-09-06 | 南京依维柯汽车有限公司 | Automobile corner measuring method based on electronic gyroscope |
| CN115014813B (en) * | 2022-02-28 | 2025-09-09 | 南京依维柯汽车有限公司 | Automobile corner measurement method based on electronic gyroscope |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211102 |