CN218121339U

CN218121339U - Vehicle-mounted aerodynamic test platform

Info

Publication number: CN218121339U
Application number: CN202220598154.5U
Authority: CN
Inventors: 刘平; 潘惠
Original assignee: Chengdu Shuofang Huizhi Technology Co ltd
Current assignee: Chengdu Shuofang Huizhi Technology Co ltd
Priority date: 2022-03-18
Filing date: 2022-03-18
Publication date: 2022-12-23
Anticipated expiration: 2032-03-18

Abstract

The utility model relates to an aerodynamic force test technical field specifically discloses an on-vehicle aerodynamic force test platform, the on-line screen storage device comprises a base, every single move adjustment mechanism, the track, slider and slide, all be provided with the slider on two tracks, the slider sets up the bottom at the slide, every single move adjustment mechanism includes two shear type structures, shear type structure includes bracing piece A and bracing piece B, bracing piece A and bracing piece B's middle part articulates together, the both sides of base are provided with preceding support, it sets up the front axle to rotate between two preceding supports, two every single move adjustment mechanism's bracing piece A's one end respectively with the both ends fixed connection of front axle, two every single move adjustment mechanism's bracing piece B's bottom is articulated with back hinge support, still include the installation pole, the one end of installation pole articulates between two shear type structure's two bracing piece B tops, the middle part of installation pole is articulated through last branch and bracing piece A top. The utility model has the advantages that can carry out every single move angular adjustment to installing the experiment model on the installation pole.

Description

Vehicle-mounted aerodynamic test platform

Technical Field

The utility model relates to an aerodynamic force test technical field, especially a vehicle-mounted aerodynamic force test platform.

Background

The vehicle aerodynamic test platform system is a set of aerodynamic control platform system designed for researching the space-time aerodynamic force characteristics of tested equipment in moving vehicles and knowing the test parameters of a model under the conditions of vehicle-mounted air flow and vehicle vibration.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's shortcoming, provide a vehicle-mounted aerodynamic test platform.

The purpose of the utility model is realized through the following technical scheme: the utility model provides a vehicle-mounted aerodynamic test platform, includes base, every single move adjustment mechanism, track, slider and slide, the base on parallel arrangement have two the track, two all be provided with the slider on the track, the slider sets up the bottom of slide, every single move adjustment mechanism includes two shear type structures, shear type structure includes bracing piece A and bracing piece B, bracing piece A and bracing piece B's middle part is articulated together, the both sides of base all are provided with preceding support, two rotate between the preceding support and set up the front axle, two every single move adjustment mechanism's bracing piece A's one end respectively with the both ends fixed connection of front axle, be provided with back hinge support on the slide, two every single move adjustment mechanism's bracing piece B's bottom with back hinge support is articulated, still includes the installation pole, the one end of installation pole articulates between two bracing piece B tops of shear type structure, the middle part of installation pole is articulated through last branch and bracing piece A top.

The novel pitching adjusting mechanism comprises a base, and is characterized in that the novel pitching adjusting mechanism further comprises a driving mechanism, the driving mechanism comprises a driving motor, two rear pillars are arranged on the base, a motor support is arranged between the rear pillars in a rotating mode, the driving motor is fixed on the motor support, a bearing seat is arranged on the motor support, the output end of the driving motor is connected with a lead screw, one end of the lead screw is arranged on the bearing seat in a rotating mode, a lead screw nut is arranged between a supporting rod A of the pitching adjusting mechanism in a rotating mode, and the lead screw is in threaded connection with the lead screw nut.

Specifically, one end of the front shaft is provided with an encoder.

Specifically, the number of the upper supporting rods is two, and one ends of the two upper supporting rods are hinged to the top of one supporting rod A respectively.

Specifically, the mounting rod is of an arc-shaped structure.

Specifically, the top end of the mounting rod is provided with a supporting rod seat, the supporting rod seat is provided with a mounting hole, the supporting rod seat is provided with a supporting rod, and one end of the supporting rod is arranged in the mounting hole.

The installation rod comprises an installation rod seat, a mounting hole is formed in the support rod seat, an installation shaft and a fixing hole are formed in the sideslip angle support, an included angle is formed between the axis of the fixing hole and the axis of the installation shaft, the installation shaft is fixed in the mounting hole, and one end of the support rod is fixed in the fixing hole.

Specifically, bracing piece B is located two between the bracing piece A, two go up branch and be located two between the bracing piece A, all be provided with spacing axle between the bracing piece A, between the bracing piece B, between the last branch.

The utility model has the advantages of it is following:

1. the utility model discloses an on-vehicle aerodynamic force test platform can install and use on the vehicle, will test the model mounting on the installation pole, can adjust the every single move angle of experiment model through adjustment every single move adjustment mechanism and satisfy the experiment demand.

Drawings

FIG. 1 is a schematic view of the overall structure of the experimental platform of the present invention;

FIG. 2 is a schematic top view of the experimental platform of the present invention;

in the figure: 1-base, 2-track, 3-slide block, 4-slide plate, 5-back hinge support, 6-front support, 7-support rod A, 8-support rod B, 9-upper support rod, 10-mounting rod, 11-back support, 12-motor support, 13-driving motor, 14-bearing seat, 15-screw rod, 16-screw rod nut, 17-bearing seat, 18-support rod, 19-limit shaft and 20-encoder.

Detailed Description

In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one of 8230, and" comprising "does not exclude the presence of additional like elements in a process, method, article, or apparatus comprising the element.

The present invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.

As shown in fig. 1-2, a vehicle-mounted aerodynamic test platform comprises a base 1, two pitching adjusting mechanisms, two rails 2, a slider 3 and a sliding plate 4, wherein the base 1 is provided with the two rails 2 in parallel, the two rails 2 are provided with the slider 3, the slider 3 is arranged at the bottom of the sliding plate 4, each pitching adjusting mechanism comprises two scissor structures, each scissor structure comprises a supporting rod A7 and a supporting rod B8, the middle parts of the supporting rods A7 and the supporting rods B8 are hinged together, the two sides of the base 1 are provided with front supports 6, a front shaft is rotatably arranged between the front supports 6, one ends of the supporting rods A7 of the two pitching adjusting mechanisms are fixedly connected with the two ends of the front shaft respectively, the sliding plate 4 is provided with a rear hinge support 5, the bottom ends of the supporting rods B8 of the two pitching adjusting mechanisms are hinged to the rear hinge support 5, the mounting rod 10 is further provided, one end of the mounting rod 10 is hinged between the tops of the two supporting rods B8 of the two scissor structures, and the middle part of the mounting rod 10 is hinged to the top of the supporting rod A7 through an upper support rod 9. The vehicle-mounted aerodynamic test platform of this embodiment can install when using and use on the vehicle, especially can install and use on pick-up car etc. vehicle that has the back packing box, pass through the bolt fastening with base 1 on the vehicle when using, support installation pole 10 through every single move adjustment mechanism, install the experiment model at the top of installation pole 10 during the experiment, just so can carry out data acquisition when the vehicle is marchd, simultaneously can also carry out pitch angle's regulation to the experiment model in the in-process of experiment, be provided with two tracks 2 on the base 1, slide 4's both ends slide 3 through the slider and slide and set up on track 2, make the top of bracing piece A7 and bracing piece B8 be close to each other along track 2 removal through drive slide 4, the contained angle between last branch 9 and the installation pole 10 diminishes this moment, installation pole 10 rotates the angle of experiment model to adjust, the angle of bracing piece A7 and bracing piece B8 increases when keeping away from each other in the top, just can realize the pitch angle adjustment of experiment model through the position to adjustment slide 4.

Further, still include actuating mechanism, actuating mechanism includes driving motor 13, be provided with two back posts 11 on the base 1, two it is provided with motor support 12 to rotate between the back post 11, driving motor 13 fixes on motor support 12, be provided with bearing frame 14 on the motor support 12, driving motor 13's output is connected with lead screw 15, the one end of lead screw 15 is rotated and is set up on bearing frame 14, two it is provided with screw-nut 16 to rotate between every single move adjustment mechanism's the bracing piece A7, lead screw 15 with screw-nut 16 threaded connection. In this embodiment, the pitching angle of the experimental model is adjusted by the driving motor 13, the driving motor 13 rotates to drive the lead screw 15 to rotate, because the lead screw nut 16 is connected with the support rod A7 in a rotating manner, the support rod A7 and the front shaft can be driven to rotate around the joint with the front support seat 6 when the lead screw 15 rotates, so that the pitching angle of the experimental model can be adjusted, and the lead screw 15 and the lead screw nut 16 have certain self-locking performance after the adjustment is completed, the lead screw can play a certain supporting role, so that the two shear-type structures are more stable in structure, and the structural strength is ensured.

Further, an encoder 20 is provided at one end of the front axle. In this embodiment, an encoder 20 is provided at one end of the front axle to detect the pitch angle of the experimental model.

Furthermore, the number of the upper supporting rods 9 is two, and one end of each of the two upper supporting rods 9 is hinged to the top of one supporting rod A7. One end of each of the two upper supporting rods 9 is hinged with the middle part of the mounting rod 10.

Further, the mounting rod 10 has an arc-shaped structure. The installation pole 10 of this embodiment adopts curved mechanism, and structural strength is high, can guarantee not to produce deformation at the in-process of experiment.

Further, a supporting rod seat 17 is arranged at the top end of the mounting rod 10, a mounting hole is formed in the supporting rod seat 17, a supporting rod 18 is arranged on the supporting rod seat 17, and one end of the supporting rod 18 is arranged in the mounting hole. In this embodiment, the experimental model is first fixedly mounted at one end of the supporting rod 18, and then the other end of the supporting rod 18 is fixedly mounted in the mounting hole of the supporting rod seat 17 and fixed by a bolt.

Further, still include sideslip angle support and branch 18, installation pole 10 top is provided with branch seat 17, be provided with the mounting hole on the branch seat 17, be provided with installation axle and fixed orifices on the sideslip angle support, the axis of fixed orifices has the contained angle with the axis of installation axle, the installation axle is fixed in the mounting hole, the one end of branch 18 is fixed in the fixed orifices. In this embodiment, the experimental model is fixed at the one end of branch 18 first, then insert the other end of branch 18 in the fixed orifices that sideslip angle supported and fix through the bolt, then insert the installation axle that sideslip angle supported in the installation hole of branch seat 17 and fix through the bolt, just so fix the experimental model, the installation axle that sideslip angle supported and the axis of fixed orifices have the contained angle, the experimental model center pin after installing so just has the contained angle with the axis of branch 18, satisfy the test requirement, sideslip angle that can change different contained angles when the experiment supports and fixes the experimental model.

Further, the bracing piece B8 is located two between the bracing piece A7, two go up branch 9 and be located two between the bracing piece A7, all be provided with spacing axle 19 between the bracing piece A7, between the bracing piece B8, between the last branch 9. The present embodiment performs mechanical position limitation by providing a position limitation shaft 19.

The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any way. The technical solutions of the present invention can be used by anyone skilled in the art to make many possible variations and modifications to the technical solution of the present invention, or to modify equivalent embodiments with equivalent variations, without departing from the scope of the technical solution of the present invention. Therefore, any modification, equivalent change and modification of the above embodiments according to the present invention are all within the protection scope of the present invention.

Claims

1. The utility model provides a vehicle-mounted aerodynamic test platform which characterized in that: including base (1), every single move adjustment mechanism, track (2), slider (3) and slide (4), base (1) go up parallel arrangement and have two track (2), two all be provided with slider (3) on track (2), slider (3) set up the bottom of slide (4), every single move adjustment mechanism includes two scissor structure, scissor structure includes bracing piece A (7) and bracing piece B (8), and the middle part of bracing piece A (7) and bracing piece B (8) articulates together, the both sides of base (1) all are provided with preceding support (6), two rotate between preceding support (6) and set up the front axle, two the one end of every single move adjustment mechanism's bracing piece A (7) respectively with the both ends fixed connection of front axle, be provided with back hinge support (5) on slide (4), two the bottom of every single move adjustment mechanism's bracing piece B (8) with back hinge support (5) are articulated, still include installation pole (10), the one end of installation pole (10) articulates between two bracing piece B (8) of two scissor structure, the middle part of bracing piece (9) is articulated with the top of branch (7) is through installation pole (9).

2. The vehicle-mounted aerodynamic test platform according to claim 1, characterized in that: still include actuating mechanism, actuating mechanism includes driving motor (13), be provided with two back posts (11) on base (1), two it is provided with motor support (12) to rotate between back post (11), driving motor (13) are fixed on motor support (12), be provided with bearing frame (14) on motor support (12), the output of driving motor (13) is connected with lead screw (15), the one end of lead screw (15) is rotated and is set up on bearing frame (14), two it is provided with screw-nut (16) to rotate between every single move adjustment mechanism's bracing piece A (7), lead screw (15) with screw-nut (16) threaded connection.

3. The vehicle-mounted aerodynamic test platform according to claim 1, characterized in that: an encoder (20) is arranged at one end of the front shaft.

4. The vehicle-mounted aerodynamic test platform according to claim 1, characterized in that: the number of the upper supporting rods (9) is two, and one end of each of the two upper supporting rods (9) is hinged to the top of one supporting rod A (7) respectively.

5. The vehicle-mounted aerodynamic test platform according to claim 1, characterized in that: the mounting rod (10) is of an arc-shaped structure.

6. The vehicle-mounted aerodynamic test platform according to claim 1, characterized in that: the mounting rod is characterized in that a supporting rod seat (17) is arranged at the top end of the mounting rod (10), a mounting hole is formed in the supporting rod seat (17), a supporting rod (18) is arranged on the supporting rod seat (17), and one end of the supporting rod (18) is arranged in the mounting hole.

7. The vehicle-mounted aerodynamic test platform according to claim 1, characterized in that: still include sideslip angle support and branch (18), installation pole (10) top is provided with branch seat (17), be provided with the mounting hole on branch seat (17), be provided with installation axle and fixed orifices on the sideslip angle support, the axis of fixed orifices has the contained angle with the axis of installation axle, the installation axle is fixed in the mounting hole, the one end of branch (18) is fixed in the fixed orifices.

8. The vehicle-mounted aerodynamic test platform according to claim 4, characterized in that: bracing piece B (8) are located two between bracing piece A (7), two go up branch (9) and be located two between bracing piece A (7), all be provided with spacing axle (19) between bracing piece A (7), between bracing piece B (8), between last branch (9).