Automobile running deviation testing device

Abstract

The utility model provides an automobile running deviation testing device. The objective of the utility model is to solve the technical problem of large occupied space during the automobile running deviation test in the prior art. According to the technical scheme, the automobile running deviation testing device comprises a test bed, a first supporting mechanism, a second supporting mechanism and a distance measuring sensor, wherein the first supporting mechanism and the second supporting mechanism are arranged on the test bed in the front-back direction, and the distance measuring sensor is installed on the left side or the right side of the test bed. The first supporting mechanism comprises two first rollers which are arranged in parallel front and back, a first lifting part arranged between the two first rollers, and a first power source for driving the first lifting part to move up and down; a rotating shaft of the first roller faces left and right; the second supporting mechanism comprises two second rollers which are arranged in parallel front and back, a second lifting part arranged between the two second rollers, and a second power source for driving the second lifting part to move up and down; and a rotating shaft of the second roller faces left and right. According to the utility model, the requirement of the automobile running deviation test on the field size can be greatly reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle detection, in particular to a vehicle driving deviation test device. Background Technique

[0002] Maintaining straight driving is one of the important evaluation indicators for vehicle driving stability and a basic requirement for vehicle safety. Therefore, it is necessary to conduct a driving deviation test on vehicles off the assembly line. However, if the deviation test is carried out by actually driving on the road, it has extremely high requirements for the size of the site. Therefore, it is necessary to study a vehicle driving deviation test device to reduce the requirements for the size of the site. Summary of the Invention

[0003] The purpose of the utility model is to provide a vehicle driving deviation test device, which can greatly reduce the requirements for the size of the site for vehicle driving deviation tests.

[0004] To achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A vehicle driving deviation test device includes: a test bench, a first support mechanism and a second support mechanism arranged on the test bench in the front-rear direction, and a distance measuring sensor installed on the left or right side of the test bench; wherein, the first support mechanism includes: two first rollers arranged side by side in the front-rear direction, a first lifting member arranged between the two first rollers, and a first power source for driving the first lifting member to move up and down; the rotating shaft of the first roller is oriented left and right; the second support mechanism includes: two second rollers arranged side by side in the front-rear direction, a second lifting member arranged between the two second rollers, and a second power source for driving the second lifting member to move up and down; the rotating shaft of the second roller is oriented left and right.

[0006] Optionally, it further includes: a first motor; one of the two first rollers of the first support mechanism constitutes a first driving roller; the first driving roller is in transmission connection with the first motor through a first transmission chain.

[0007] Optionally, it further includes: a second motor; one of the two second rollers of the second support mechanism constitutes a second driving roller; the second driving roller is in transmission connection with the second motor through a second transmission chain.

[0008] Optionally, it further includes: a second bracket; the second support mechanism and the second motor are installed on the second bracket; the second bracket is adapted to a traveling unit for adjusting its position in the front-rear direction.

[0009] Optionally, it further includes: a first bracket; the first support mechanism and the first motor are installed on the first bracket; the first bracket is provided with a first rear support plate extending backward at the rear side of the first support mechanism, and the second bracket is provided with a second front support plate extending forward at the front side of the second support mechanism; the rear section of the first rear support plate overlaps with the front section of the second front support plate up and down.

[0010] Optionally, the first bracket is provided with a first front support plate extending forward at the front side of the first support mechanism, and the second bracket is provided with a second rear support plate extending backward at the rear side of the second support mechanism.

[0011] Optionally, two sets of first support mechanisms are arranged along the left - right direction on the test bench, and two corresponding first motors are provided; the two sets of first support mechanisms are installed on the same first bracket.

[0012] Optionally, two sets of second support mechanisms are arranged along the left - right direction on the test bench, and two corresponding second motors are provided; the two sets of second support mechanisms are installed on the same second bracket.

[0013] Optionally, the distance measuring sensor is one of a laser sensor, an ultrasonic sensor, an infrared sensor, and a radar sensor.

[0014] The working principle of the present utility model is as follows: Move the first lifting member upward to exceed the first roller, and move the second lifting member upward to exceed the second roller; drive the vehicle to travel along the tabletop of the test bench so that the front wheels of the vehicle move to the first lifting member and the rear wheels of the vehicle move to the second lifting member; then move the first lifting member and the second lifting member downward so that the first support mechanism supports the front wheels of the vehicle through the first roller, and the second support mechanism supports the rear wheels of the vehicle through the second roller. Then, restart the vehicle, and the vehicle running can be simulated without the vehicle moving forward; during this process, by the distance measuring sensor located on the left or right side of the test bench, monitoring the change in the distance from the left or right side of the vehicle to the distance measuring sensor, the deviation situation of the vehicle during running can be known. After the test is completed, move the first lifting member and the second lifting member upward to lift the vehicle again, and then the vehicle can be driven away from the test bench.

[0015] It can be seen from this that the beneficial effect of the present utility model is that the vehicle running deviation test can be carried out without the vehicle moving forward, thus greatly reducing the requirement for the size of the site. Description of the Drawings

[0016] To more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the accompanying drawings required for the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other accompanying drawings can be obtained based on these drawings.

[0017] Figure 1 It is a structural schematic diagram of the present utility model;

[0018] Figure 2 It is a schematic diagram of the present utility model for testing an automobile;

[0019] Figure 3 It is a schematic diagram of the present utility model for arranging a ranging sensor.

[0020] Reference numerals: 1, the first support mechanism; 2, the second support mechanism; 3, the ranging sensor; 4, the first roller; 5, the first lifting member; 6, the first power source; 7, the second roller; 8, the second lifting member; 9, the second power source; 10, the first motor; 11, the second motor; 12, the traveling unit; 13, the first rear support plate; 14, the second front support plate; 15, the first front support plate; 16, the second rear support plate. Detailed implementation manners

[0021] In the following, only some exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present utility model. Therefore, the accompanying drawings and the description are considered to be essentially exemplary rather than restrictive.

[0022] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "front", "rear", "left", "right", etc. is the orientation or positional relationship based on the driver's perspective, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model.

[0023] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, "a plurality" means two or more unless otherwise specifically defined.

[0024] In the present utility model, unless otherwise clearly defined and limited, terms such as "installation", "connection", "linkage", "fixation", etc. shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral one; it may be a direct connection, or an indirect connection through an intermediate medium, and it may be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0025] The following disclosure provides many different embodiments or examples for implementing different structures of the present utility model. To simplify the disclosure of the present utility model, the components and settings of specific examples are described below. Of course, they are only examples and are not intended to limit the present utility model.

[0026] The following will Figure 1 ~ Figure 3 describe the embodiments of the present utility model in detail with reference to the appended

[0027] The embodiment of the present utility model provides a vehicle driving deviation test device. The vehicle driving deviation test device includes: a test bench, a first support mechanism 1 and a second support mechanism 2 arranged on the test bench in the front-rear direction, and a ranging sensor 3 installed on the left or right side of the test bench. Among them, the first support mechanism 1 includes: two first rollers 4 arranged side by side in the front-rear direction, a first lifting member 5 arranged between the two first rollers 4, and a first power source 6 for driving the first lifting member 5 to move up and down. It should be understood that the length direction of the first lifting member 5 is parallel to the length direction of the first roller 4, both ends of the first lifting member 5 can be installed on the vertical frame of the first base, and the first power source 6 can drive the first base to move up and down to drive the first lifting member 5 to move up and down. The first power source 6 is usually arranged as a hydraulic cylinder. The rotation axis of the first roller 4 is oriented left and right. The second support mechanism 2 includes: two second rollers 7 arranged side by side in the front-rear direction, a second lifting member 8 arranged between the two second rollers 7, and a second power source 9 for driving the second lifting member 8 to move up and down. It should be understood that the length direction of the second lifting member 8 is parallel to the length direction of the second roller 7, both ends of the second lifting member 8 can be installed on the vertical frame of the second base, and the second power source 9 can drive the second base to move up and down to drive the second lifting member 8 to move up and down. The second power source 9 is usually arranged as a hydraulic cylinder. The rotation axis of the second roller 7 is oriented left and right.

[0028] The specific implementation manner of the present utility model is described below: Move the first lifting member 5 upward to exceed the first roller 4, and move the second lifting member 8 upward to exceed the second roller 7; drive the vehicle to travel along the tabletop of the test bench so that the front wheels of the vehicle move to the first lifting member 5 and the rear wheels of the vehicle move to the second lifting member 8; move the first lifting member 5 and the second lifting member 8 downward so that the first support mechanism 1 supports the front wheels of the vehicle through the first roller 4, and the second support mechanism 2 supports the rear wheels of the vehicle through the second roller 7. Then, restart the vehicle, and it is possible to simulate the vehicle running without the vehicle moving forward; during this process, by means of the distance measuring sensor 3 located on the left or right side of the test bench, monitoring the change in the distance from the left or right side of the vehicle to the distance measuring sensor 3, it is possible to know the deviation condition of the vehicle during running. After the test is completed, move the first lifting member 5 and the second lifting member 8 upward to lift the vehicle again, and then the vehicle can be driven away from the test bench. The present utility model can perform a running deviation test on a vehicle without the vehicle moving forward, thereby greatly reducing the requirement for the size of the site.

[0029] Further, it further includes: a first motor 10; one of the two first rollers 4 of the first support mechanism 1 constitutes a first driving roller; the first driving roller is in transmission connection with the first motor 10 through a first transmission chain. It should be understood that the first driving roller can also be driven by the first motor 10 to drive the front wheels of the vehicle to rotate passively, so as to simulate the vehicle running in another way for a deviation test.

[0030] Further, it further includes: a second motor 11; one of the two second rollers 7 of the second support mechanism 2 constitutes a second driving roller; the second driving roller is in transmission connection with the second motor 11 through a second transmission chain. It should be understood that the second driving roller can also be driven by the second motor 11 to drive the rear wheels of the vehicle to rotate passively, so as to simulate the vehicle running in another way for a deviation test.

[0031] Further, it further includes: a second bracket; the second support mechanism 2 and the second motor 11 are installed on the second bracket; the second bracket is adapted to a traveling unit 12 that adjusts its position in the front-rear direction. It should be understood that by driving the second bracket to move forward and backward through the traveling unit 12, the distance between the second support mechanism 2 and the first support mechanism 1 can be adjusted, so as to adapt to vehicles of different lengths. The traveling unit 12 can be set as a linear motor; the traveling unit 12 can also be set as a combination of a servo motor and a ball screw; in addition, a rack or a toothed chain can be installed on the second bracket, and a meshing gear is adapted, and the second bracket is driven to move forward and backward by driving the gear to rotate through a servo motor.

[0032] Further, it further includes: a first bracket; the first support mechanism 1 and the first motor 10 are installed on the first bracket; the first bracket is provided with a first rear support plate 13 extending backward at the rear side of the first support mechanism 1, and the second bracket is provided with a second front support plate 14 extending forward at the front side of the second support mechanism 2; the rear section of the first rear support plate 13 and the front section of the second front support plate 14 overlap vertically. It should be understood that through the cooperation of the first rear support plate 13 and the second front support plate 14, it can ensure that the vehicle wheels pass smoothly between the first support mechanism 1 and the second support mechanism 2.

[0033] Further, the first bracket is provided with a first front support plate 15 extending forward at the front side of the first support mechanism 1, and the second bracket is provided with a second rear support plate 16 extending backward at the rear side of the second support mechanism 2. It should be understood that the tabletop of the test bench is mainly composed of the first front support plate 15, the first rear support plate 13, the second front support plate 14, and the second rear support plate 16.

[0034] Further, two sets of first support mechanisms 1 are arranged along the left - right direction on the test bench, and two corresponding first motors 10 are provided; the two sets of first support mechanisms 1 are installed on the same first bracket. It should be understood that the two first support mechanisms 1 respectively support the two front wheels of the vehicle; this can shorten the length of the first roller 4 to improve its strength.

[0035] Further, two sets of second support mechanisms 2 are arranged along the left - right direction on the test bench, and two corresponding second motors 11 are provided; the two sets of second support mechanisms 2 are installed on the same second bracket. It should be understood that the two second support mechanisms 2 respectively support the two rear wheels of the vehicle; this can shorten the length of the second roller 7 to improve its strength.

[0036] Further, the ranging sensor 3 is one of a laser sensor, an ultrasonic sensor, an infrared sensor, and a radar sensor.

[0037] Although the specific embodiments of the present invention have been described above, those skilled in the art should understand that without departing from the principles and essence of the present invention, various changes or modifications can be made to these embodiments, but these changes and modifications all fall within the protection scope of the present invention.

Claims

1. A vehicle running deviation test device, characterized in that: include: Test bench; and A first supporting mechanism (1) and a second supporting mechanism (2) arranged on the test bench along the front-rear direction; and A distance sensor (3) installed on the left or right side of the test bench; in, The first supporting mechanism (1) comprises: two first rollers (4) arranged in parallel front and back, a first lifting member (5) arranged between the two first rollers (4), and a first power source (6) for driving the first lifting member (5) to move up and down; The rotation axis of the first roller (4) is oriented leftward and rightward; The second supporting mechanism (2) comprises: two second rollers (7) arranged in parallel front and back, a second lifting member (8) arranged between the two second rollers (7), and a second power source (9) for driving the second lifting member (8) to move up and down; The rotation axis of the second roller (7) is oriented leftward and rightward.

2. The vehicle running deviation test device according to claim 1, characterized in that: Also includes: a first motor (10); One of the two first rollers (4) of the first support mechanism (1) forms a first active roller; the first active roller is in transmission connection with the first motor (10) via a first transmission chain.

3. The vehicle running deviation test device according to claim 2, characterized in that: Also includes: a second motor (11); One of the two second rollers (7) of the second supporting mechanism (2) forms a second active roller; the second active roller is in transmission connection with the second motor (11) via a second transmission chain.

4. The vehicle running deviation test device according to claim 3 is characterized in that: Also included: a second bracket; The second support mechanism (2) and the second motor (11) are mounted on a second bracket; the second bracket is adapted to be equipped with a walking unit (12) whose position is adjusted along the front-rear direction.

5. The vehicle running deviation test device according to claim 4, characterized in that: Also included: a first bracket; The first supporting mechanism (1) and the first motor (10) are mounted on a first bracket; The first bracket is provided with a first rear support plate (13) extending backwards on the rear side of the first support mechanism (1), and the second bracket is provided with a second front support plate (14) extending forwards on the front side of the second support mechanism (2); The rear section of the first rear support plate (13) and the front section of the second front support plate (14) overlap vertically.

6. The vehicle running deviation test device according to claim 5, characterized in that: The first bracket is provided with a first front support plate (15) extending forward on the front side of the first support mechanism (1), and the second bracket is provided with a second rear support plate (16) extending backward on the rear side of the second support mechanism (2).

7. The vehicle running deviation test device according to claim 5, characterized in that: The test bench is provided with two sets of first support mechanisms (1) along the left and right directions, and two first motors (10) are provided accordingly; the two sets of first support mechanisms (1) are installed on the same first bracket.

8. The vehicle running deviation test device according to claim 4, characterized in that: The test bench is provided with two sets of second support mechanisms (2) along the left and right directions, and two second motors (11) are provided accordingly; the two sets of second support mechanisms (2) are installed on the same second bracket.

9. The vehicle running deviation test device according to any one of claims 1 to 3, characterized in that: The distance measuring sensor (3) is one of a laser sensor, an ultrasonic sensor, an infrared sensor and a radar sensor.

Images