Device for measuring minimum turning radius of automobile

Abstract

The utility model discloses a device for measuring the minimum turning radius of an automobile, and the device comprises a fixing assembly which is disposed on a wheel hub of a tire and is connected with the wheel hub of the tire in a clamping manner; the adjusting assembly is arranged on the fixing assembly and fixedly connected with the fixing assembly; and the marking assembly is arranged on the adjusting assembly and used for marking the running path of the tire, and the adjusting assembly is used for adjusting the position of the marking assembly on the center line of the tread of the tire, so that the marking accuracy is guaranteed. According to the device for measuring the minimum turning radius of the automobile, measurement can be completed by one person, the measurement result is more accurate than that of manual operation, measurement can be completed by one person, use is easy and convenient, a switch of marking liquid can be controlled at any time, and it is avoided that the marking liquid flows out too much to hinder the accuracy of the measurement result; and the measurement of the minimum turning radius of the automobile is more accurate.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile turning radius measurement, in particular to a device for measuring the minimum turning radius of an automobile. Background Art

[0002] The minimum turning radius of a car is the radius of the circle of the track that the center plane of the outer steering wheel rolls on the support plane when the steering wheel is turned to the extreme position and the car is turning at the lowest stable speed. The minimum turning radius of a car largely represents the ability of the car to pass through narrow curved areas or bypass obstacles that cannot be crossed. The smaller the turning radius, the better the maneuverability of the car.

[0003] Measuring the minimum turning radius of a car is very important for vehicle performance. The current devices for measuring the minimum turning radius of a car are very inconvenient to use. Most of them are measured manually and require the cooperation of multiple people. The measurement results are inaccurate, resulting in inaccurate evaluation of the car's maneuverability. Utility Model Content

[0004] The utility model aims to provide a device for measuring the minimum turning radius of an automobile, so as to solve the above-mentioned problem, to conveniently measure the minimum turning radius of an automobile, to increase the accuracy of the measurement result, and thus to improve the accuracy of the evaluation of the maneuverability of the automobile.

[0005] To achieve the above object, the utility model provides a device for measuring the minimum turning radius of a car, comprising:

[0006] A fixing assembly is arranged on the tire hub and is clamped with the tire hub;

[0007] An adjusting component, disposed on the fixing component and fixedly connected to the fixing component;

[0008] The marking component is arranged on the adjusting component and is used for marking the travel path of the tire. The adjusting component is used for adjusting the position of the marking component at the center line of the tire tread to ensure the marking accuracy.

[0009] Preferably, in the embodiment of the above-mentioned device for measuring the minimum turning radius of a car, the fixing assembly comprises:

[0010] A cross fixing sleeve rod, on which a fixing knob is arranged;

[0011] The fixing claw is arranged inside the cross fixing sleeve rod, is slidably connected with the cross fixing sleeve rod, and is fixed by the fixing knob.

[0012] Preferably, in the above-mentioned embodiment of the device for measuring the minimum turning radius of a car, the adjustment component comprises:

[0013] A connecting rod is vertically arranged on the cross fixing sleeve rod and fixedly connected to the cross fixing sleeve rod;

[0014] A fixed sleeve rod 1, which is vertically arranged on the connecting rod and fixedly connected to the connecting rod, and is provided with a fixed knob;

[0015] The adjustable slider 1 is an L-shaped structure, one end of which is arranged in the fixed sleeve rod 1 and is slidably connected to the fixed sleeve rod 1, and the other end is an internal hollow structure and is arranged parallel to the connecting rod. A fixed knob is arranged at one end of the internal hollow structure of the adjustable slider 1;

[0016] The second adjustable slider is arranged in the hollow structure of the first adjustable slider and is slidably connected to the first adjustable slider.

[0017] Preferably, in the embodiment of the above-mentioned device for measuring the minimum turning radius of a car, the marking component comprises:

[0018] A marking liquid tank is arranged on the second adjustable slider, fixedly connected to the second adjustable slider, and is provided with a nozzle, and is arranged downwardly and vertically to the ground;

[0019] The control liquid switch is arranged on the marking liquid tank to control whether the marking liquid flows out.

[0020] Preferably, in the above-mentioned embodiment of the device for measuring the minimum turning radius of a car, the control liquid switch is connected to a controller, and the liquid switch is controlled by the controller.

[0021] Therefore, the utility model adopts a device for measuring the minimum turning radius of an automobile with the above structure, fixes the fixed claw on the steering wheel hub of the automobile by adjustment, adjusts the adjustable slider one to make the marking component in a suitable position behind the tire, adjusts the adjustable slider two to make the marking component located at the center line position of the tire tread, controls the tire to rotate to the maximum angle, turns on the control liquid switch to allow the marking liquid to flow out through the nozzle, controls the automobile to travel at a constant speed, and then measures the minimum turning radius of the automobile according to the path marked by the marking liquid. With this device, one person can complete the measurement and the measurement result is more accurate than manual measurement. The measurement can be completed by a single person, is simple and convenient to use, and the switch of the marking liquid can be controlled at any time to avoid excessive outflow of the marking liquid to hinder the accuracy of the measurement result, and the measurement of the minimum turning radius of the automobile is also more accurate.

[0022] The technical solution of the utility model is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the overall structure of a measuring device for measuring the minimum turning radius of a car according to an embodiment of the utility model;

[0024] Figure 2 The utility model is a schematic structural diagram of a device for measuring the minimum turning radius of a car, in which the measuring device is installed on a wheel hub. DETAILED DESCRIPTION

[0025] The technical solution of the utility model is further described below through the accompanying drawings and embodiments.

[0026] Unless otherwise defined, the technical terms or scientific terms used in the present invention shall have the usual meanings understood by persons with ordinary skills in the field to which the present invention belongs. The words "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. Words such as "include" or "comprise" and the like mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. Words such as "connect" or "connected" and the like are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0027] See attached Figure 1-2 , the embodiment of the present application provides a device for measuring the minimum turning radius of a car, comprising:

[0028] The fixing assembly 1 is arranged on the tire hub 4 and is clamped with the tire hub 4;

[0029] An adjusting component 2 is disposed on the fixing component 1 and is fixedly connected to the fixing component 1;

[0030] The marking component 3 is arranged on the adjusting component 2 and is used for marking the tire travel path. The adjusting component 2 is used for adjusting the position of the marking component 3 at the center line of the tire tread to ensure the marking accuracy.

[0031] To further optimize the above technical solution, the fixing assembly 1 includes:

[0032] A cross fixing sleeve rod 11, on which a fixing knob 111 is provided;

[0033] The fixing claw 12 is disposed inside the cross fixing sleeve rod 11 , is slidably connected to the cross fixing sleeve rod 11 , and is fixed by the fixing knob 111 .

[0034] Specifically, the fixed claw 12 is clamped on the wheel hub after adjustment. After the fixed claw 12 is adjusted, it is fixed by the fixing knob 111 so that the fixed claw 12 is fixed on the wheel hub, and the angle of the marking component 3 can be adjusted by adjusting the fixing position of the fixed claw 12.

[0035] To further optimize the above technical solution, the adjustment component 2 includes:

[0036] A connecting rod 21 is vertically arranged on the cross fixing sleeve rod 11 and fixedly connected to the cross fixing sleeve rod 11;

[0037] A fixed sleeve rod 22, which is vertically arranged on the connecting rod 21 and fixedly connected to the connecting rod 21, and is provided with a fixed knob 111;

[0038] The adjustable slider 23 is an L-shaped structure, one end of which is disposed in the fixed sleeve rod 22 and is slidably connected to the fixed sleeve rod 22, and the other end is an internal hollow structure, which is arranged parallel to the connecting rod 21. The end of the adjustable slider 23 with an internal hollow structure is provided with a fixed knob 111;

[0039] The adjustable slider 2 24 is disposed in the hollow structure of the adjustable slider 1 23 and is slidably connected to the adjustable slider 1 23 .

[0040] It should be noted that by adjusting the adjustable slider 23, the marking component 3 can be located at a suitable position on the rear side of the tire. The adjustable slider 23 slides in the fixed sleeve rod 22, and is fixed by the fixing knob 111 after being adjusted to a suitable position. By adjusting the adjustable slider 24, the marking component 3 is set on the center line of the tire tread, and is fixed by the fixing knob 111 after the adjustment is completed.

[0041] To further optimize the above technical solution, the marking component 3 includes:

[0042] The marking liquid tank 31 is disposed on the second adjustable slider 24 and is fixedly connected to the second adjustable slider 24. A nozzle 311 is disposed on the marking liquid tank 31 and is disposed downward and vertically to the ground.

[0043] The control liquid switch 32 is disposed on the marking liquid tank 31 to control whether the marking liquid flows out.

[0044] In order to further optimize the above technical solution, the control liquid switch 32 is connected to a controller, and the liquid switch is controlled by the controller.

[0045] Specifically, the controller can control the liquid switch 32 at any time to control the outflow of the marking liquid, thereby preventing the marking liquid from flowing out too much at one position and affecting the measurement result.

[0046] Working principle: When using the measuring device for measurement, first adjust the fixed claw 12, select a suitable angle, clamp the fixed claw 12 on the left steering wheel of the car, and fix it with the fixing knob 111; adjust the adjustable slider 1 23 so that the marking liquid device is at a suitable position behind the steering wheel of the car, and fix the adjustable slider 1 23; control the steering wheel of the car to turn right to the maximum angle, adjust the adjustable slider 2 24 so that the position of the nozzle of the marking liquid tank 31 is aligned with the center line of the tire surface of the steering wheel of the car, and tighten the fixing knob 111 to fix the adjusting slider 2 24; turn on the control liquid switch 32 to let the marking liquid flow out through the nozzle while controlling the car to drive to the right at a constant speed, and when the marking liquid marks out When the circle is closed, turn off the control liquid switch and control the car to drive away; measure the diameter of the closed circle; remove the fixing assembly from the left steering wheel of the car; adjust the fixing claw 12 and fix it on the right steering wheel of the car; adjust the adjustable slider 1 23 so that the marking liquid device is at a suitable position behind the steering wheel of the car; control the steering wheel of the car to turn right to the maximum angle, adjust the adjustable slider 2 24 so that the position of the nozzle 311 is aligned with the center line of the tire surface of the steering wheel of the car; turn on the liquid switch to let the marking liquid flow out through the nozzle while controlling the car to drive to the left at a constant speed. When the marking liquid marks a closed circle, turn off the liquid switch and control the car to drive away; measure the diameter of the closed circle.

[0047] Therefore, the utility model adopts a device for measuring the minimum turning radius of an automobile with the above structure, fixes the fixed claw on the steering wheel hub of the automobile by adjustment, adjusts the adjustable slider one to make the marking component in a suitable position behind the tire, adjusts the adjustable slider two to make the marking component located at the center line position of the tire tread, controls the tire to rotate to the maximum angle, turns on the control liquid switch to allow the marking liquid to flow out through the nozzle, controls the automobile to travel at a constant speed, and then measures the minimum turning radius of the automobile according to the path marked by the marking liquid. With this device, one person can complete the measurement and the measurement result is more accurate than manual measurement. The measurement can be completed by a single person, is simple and convenient to use, and the switch of the marking liquid can be controlled at any time to avoid excessive outflow of the marking liquid to hinder the accuracy of the measurement result, and the measurement of the minimum turning radius of the automobile is also more accurate.

[0048] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that they can still modify or replace the technical solution of the utility model with equivalents, and these modifications or equivalent replacements cannot cause the modified technical solution to deviate from the spirit and scope of the technical solution of the utility model.

Claims

1. A device for measuring the minimum turning radius of a car, characterized in that: include: A fixing assembly is arranged on the tire hub and is clamped with the tire hub; An adjusting component, disposed on the fixing component and fixedly connected to the fixing component; A marking component, arranged on the adjusting component, for marking the tire travel path, the adjusting component is used to adjust the marking component to the center line position of the tire tread to ensure the marking accuracy; The fixing assembly comprises: A cross fixing sleeve rod, on which a fixing knob is arranged; A fixing claw is arranged inside the cross fixing sleeve rod, is slidably connected to the cross fixing sleeve rod, and is fixed by the fixing knob; The adjustment component comprises: A connecting rod is vertically arranged on the cross fixing sleeve rod and fixedly connected to the cross fixing sleeve rod; A fixed sleeve rod 1, which is vertically arranged on the connecting rod and fixedly connected to the connecting rod, and is provided with a fixed knob; The adjustable slider 1 is an L-shaped structure, one end of which is arranged in the fixed sleeve rod 1 and is slidably connected to the fixed sleeve rod 1, and the other end is an internal hollow structure and is arranged parallel to the connecting rod. A fixed knob is arranged at one end of the internal hollow structure of the adjustable slider 1; The second adjustable slider is disposed in the hollow structure of the first adjustable slider and is slidably connected to the first adjustable slider; The marking assembly comprises: A marking liquid tank is arranged on the second adjustable slider, fixedly connected to the second adjustable slider, and is provided with a nozzle, and is arranged downwardly and vertically to the ground; The control liquid switch is arranged on the marking liquid tank to control whether the marking liquid flows out; the control liquid switch is connected to a controller, and the liquid switch is controlled by the controller.

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