CN214309518U - Test jig of drive-by-wire chassis - Google Patents
Test jig of drive-by-wire chassis Download PDFInfo
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- CN214309518U CN214309518U CN202120640732.2U CN202120640732U CN214309518U CN 214309518 U CN214309518 U CN 214309518U CN 202120640732 U CN202120640732 U CN 202120640732U CN 214309518 U CN214309518 U CN 214309518U
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Abstract
The utility model discloses a test jig of drive-by-wire chassis, it includes four supports, four supports become the rectangle and distribute, every support all includes vertical bracing piece, the upper end of every bracing piece all is provided with the C-shaped plate, the upper end of every C-shaped plate all is provided with two parallel roller bearings, be provided with the clearance between two roller bearings, the both ends of roller bearing are installed on the C-shaped plate through the bearing frame, the surface of roller bearing is provided with the antiskid cover; two adjacent supports located on the wide side are connected through a connecting rod, two adjacent supports located on the long side are connected through a telescopic rod, and the telescopic rod is fixed in length through a screw knob. The utility model discloses simple structure, with low costs, can satisfy the research initial stage on drive-by-wire chassis completely, relevant data between experiment place adjustment controller and motor realize static test, occupation space is little, and is very convenient and the practicality is strong.
Description
Technical Field
The utility model relates to a car observes and controls technical field, concretely relates to test jig on drive-by-wire chassis.
Background
The sensing, decision-making and control units of the automatic driving automobile are the control execution ends which are most closely attached to the traditional automobile industry and comprise driving control, steering control, braking control and the like. The decision of automatic driving is output by a sensor according to the actual road condition, and the decision is all electric signals, so that the traditional chassis of the automobile needs to be modified by wire control, and the automatic driving decision is suitable for automatic driving. The drive-by-wire chassis mainly comprises five systems, namely a drive-by-wire steering system, a drive-by-wire brake system, a drive-by-wire gear shifting system, a drive-by-wire accelerator system and a drive-by-wire suspension system. Steering and braking are the most core products facing the direction of an automatic driving execution end, and the technical difficulty of brake-by-wire is the highest.
At present, when the control of a drive-by-wire chassis motor is researched, the motor is controlled to drive wheels to rotate under the static state of a vehicle, and the rotation condition of the wheels is observed. At present, professional motor test racks are very expensive in cost, a large field area is needed in the using process, and small research institutions cannot configure the motor test rack.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned not enough among the prior art, the utility model provides a convenient to use's test jig on drive-by-wire chassis.
In order to achieve the purpose of the invention, the technical scheme adopted by the utility model is as follows:
the test jig comprises four supports which are distributed in a rectangular shape, each support comprises a vertical support rod, a C-shaped plate is arranged at the upper end of each support rod, two parallel rolling shafts are arranged at the upper end of each C-shaped plate, a gap is formed between the two rolling shafts, two ends of each rolling shaft are mounted on the C-shaped plate through bearing seats, and anti-skidding sleeves are arranged on the outer surfaces of the rolling shafts; the two adjacent supports on the wide side are connected through the connecting rod, the two adjacent supports on the long side are connected through the telescopic rod, the telescopic rod comprises a sleeve, one end of the sleeve is open, the other end of the sleeve is fixed on the support, the sleeve is movably provided with the extension rod, one end of the extension rod is fixed on the support, the sleeve is provided with a screw rod knob for fixing the extension rod, and the screw rod knob is in threaded connection with the sleeve.
The utility model has the advantages that: this scheme is used for testing car drive-by-wire chassis, and the rotatory condition of test motor drive wheel, the chassis is placed on the support to make every wheel place between two roller bearings, the roller bearing supports the wheel, starts the motor of wheel on the chassis, makes the high-speed rotation of wheel, and the automobile body can remain motionless, makes things convenient for the staff to survey the rotatory condition of wheel. The utility model discloses simple structure, with low costs, can satisfy the research initial stage on drive-by-wire chassis completely, relevant data between experiment place adjustment controller and motor realize static test, occupation space is little, and is very convenient and the practicality is strong.
Drawings
Fig. 1 is a front view of a test rack of a drive-by-wire chassis.
Fig. 2 is a side view of a test rack of the drive-by-wire chassis.
FIG. 3 is a top view of the C-shaped plate.
The device comprises a walking wheel 1, a walking wheel 2, a supporting rod 3, a speed sensor 4, an extension rod 5, a screw knob 6, a sleeve 7, a C-shaped plate 8, a rolling shaft 9, a bearing seat 10, a strip-shaped hole 11 and a bolt.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and various changes will be apparent to those skilled in the art as long as they are within the spirit and scope of the present invention as defined and defined by the appended claims, and all inventions contemplated by the present invention are protected.
As shown in fig. 1 to 3, the test jig of the drive-by-wire chassis in the scheme comprises four brackets which are distributed in a rectangular shape, each bracket comprises a vertical support rod 2, a C-shaped plate 7 is arranged at the upper end of each support rod 2, two parallel rolling shafts 8 are arranged at the upper end of each C-shaped plate 7, a gap is arranged between the two rolling shafts 8, two ends of each rolling shaft 8 are mounted on the C-shaped plate 7 through a bearing seat 9, and an anti-skid sleeve is arranged on the outer surface of each rolling shaft 8; two adjacent supports on the broadside are connected through a connecting rod, two adjacent supports on the long side are connected through a telescopic rod, the telescopic rod comprises a sleeve 6, one end of the sleeve 6 is opened, the other end of the sleeve is fixed on the support, an extension rod 4 is movably arranged in the sleeve 6, one end of the extension rod 4 is fixed on the support, a screw rod knob 5 for fixing the extension rod 4 is arranged on the sleeve 6, and the screw rod knob 5 is in threaded connection with the sleeve 6.
This scheme is used for testing car drive-by-wire chassis, and the rotatory condition of test motor drive wheel, chassis are placed on the support to make every wheel place between two roller bearings 8, roller bearing 8 supports the wheel, starts the motor of wheel on the chassis, makes the high-speed rotation of wheel, and the automobile body can remain motionless, makes things convenient for the staff to survey the rotatory condition of wheel. The utility model discloses simple structure, with low costs, can satisfy the research initial stage on drive-by-wire chassis completely, relevant data between experiment place adjustment controller and motor realize static test, occupation space is little, and is very convenient and the practicality is strong.
A strip-shaped hole 10 is formed in the C-shaped plate 7 along the length direction, the bearing seat 9 is fixed to the strip-shaped hole 10 through a bolt 11, the distance between the two rolling shafts 8 on the C-shaped plate 7 can be adjusted, and the C-shaped plate can be conveniently adapted to tires of different sizes; the telescopic rod is propped against the telescopic rod through the screw rod knob 5 to realize the fixation of the telescopic rod.
Every the lower extreme of bracing piece 2 all is provided with walking wheel 1 of taking self-locking mechanism, conveniently carries whole test jig.
One end of the roller 8 is connected with the speed sensor 3, the speed sensor 3 is installed on the C-shaped plate 7, the tire drives the roller 8 to rotate in the high-speed rotating process, the speed sensor 3 collects the rotating speed of the roller 8, and then the rotating speed working condition of the tire can be measured.
Be provided with the scale mark along length direction on the telescopic link, the test jig can be suitable for different motorcycle types according to the wheel base adjustment length of different cars to the convenient accurate control length of test jig of scale mark makes tire and roller bearing 8 cooperate completely.
Claims (5)
1. The test jig for the wire-controlled chassis is characterized by comprising four supports, wherein the four supports are distributed in a rectangular shape, each support comprises a vertical support rod, a C-shaped plate is arranged at the upper end of each support rod, two parallel rolling shafts are arranged at the upper ends of the two C-shaped plates, a gap is formed between the two rolling shafts, two ends of each rolling shaft are mounted on the C-shaped plates through bearing seats, and anti-skidding sleeves are arranged on the outer surfaces of the rolling shafts; two adjacent that are located the broadside are connected through the connecting rod between the support, are located two adjacent on long limit connect through the telescopic link between the support, the telescopic link includes the sleeve pipe, sheathed tube one end opening, the other end are fixed on the support, the intraductal activity of sleeve is provided with the extension rod, the one end of extension rod is fixed on the support, be provided with the screw rod knob of fixed extension rod on the sleeve pipe, screw rod knob and sleeve pipe threaded connection.
2. The test rack of the drive-by-wire chassis according to claim 1, wherein a strip-shaped hole is formed in the C-shaped plate along the length direction, and the bearing seat is fixed to the strip-shaped hole through a bolt.
3. The test rack of the drive-by-wire chassis according to claim 1, wherein a walking wheel with a self-locking mechanism is arranged at the lower end of each support rod.
4. The test rack of chassis-by-wire of claim 1, wherein one end of the roller is connected with a speed sensor, and the speed sensor is mounted on a C-shaped plate.
5. The test rack of the drive-by-wire chassis according to claim 1, wherein the telescopic rod is provided with scale marks along the length direction.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120640732.2U CN214309518U (en) | 2021-03-30 | 2021-03-30 | Test jig of drive-by-wire chassis |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120640732.2U CN214309518U (en) | 2021-03-30 | 2021-03-30 | Test jig of drive-by-wire chassis |
Publications (1)
Publication Number | Publication Date |
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CN214309518U true CN214309518U (en) | 2021-09-28 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202120640732.2U Active CN214309518U (en) | 2021-03-30 | 2021-03-30 | Test jig of drive-by-wire chassis |
Country Status (1)
Country | Link |
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CN (1) | CN214309518U (en) |
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2021
- 2021-03-30 CN CN202120640732.2U patent/CN214309518U/en active Active
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