Vehicle speed detection device

Abstract

The utility model relates to the technical field of vehicle speed measurement, and discloses a vehicle speed detection device which comprises a supporting mechanism, a vehicle speed detection mechanism is arranged in the supporting mechanism, the supporting mechanism comprises connecting baffles located on the two sides, and an outer supporting rod and an inner supporting rod are fixedly connected between the connecting baffles. The outer supporting rod is close to the outer edge of the connecting baffle, the inner supporting rod is close to the interior of the connecting baffle, and the outer supporting rod and the inner supporting rod are symmetrically installed on the two sides of the interior of the connecting baffle. According to the vehicle speed detection device, the rotatable speed measurement roller is arranged between the connecting baffles and connected with the intelligent terminal through the speed measurement roller, meanwhile, the blocking rollers are arranged on the two sides of the speed measurement roller, and an inverted triangle is formed between the blocking rollers and the speed measurement roller, so that the vehicle power wheel is limited, and when the vehicle power wheel rotates, the speed measurement roller rotates along with the vehicle power wheel; and rotating data are displayed through the intelligent terminal, so that safety detection is achieved, and the external influence is small when the data are detected.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle speed measurement, in particular to a vehicle speed detection device. Background Art

[0002] During the production process of automobiles, comprehensive inspections are required for the vehicles, among which speed inspection is an important part.

[0003] When a vehicle is speeding, the acceleration time, top speed and braking ability of the vehicle are generally tested. When testing, the car company will choose a closed road section and test the vehicle speed by driving at high speed on the closed road section.

[0004] The above detection methods have the following disadvantages:

[0005] Poor safety. Once human error occurs, it is easy to cause damage.

[0006] Outdoor testing is easily affected by the environment because different humidity in the air will cause different friction coefficients of the car's tires, resulting in inaccurate test data.

[0007] It can be seen that there is an urgent need for a vehicle speed detection device to improve the safety and data accuracy during vehicle speed detection. Utility Model Content

[0008] The purpose of the utility model is to provide a vehicle speed detection device to solve the problems raised in the above background technology.

[0009] In order to solve the above technical problems, the utility model provides the following technical solutions: a vehicle speed detection device, comprising a support mechanism, wherein a vehicle speed detection mechanism is arranged inside the support mechanism, wherein the support mechanism comprises connecting baffles located on both sides, an outer support rod and an inner support rod are fixedly connected between the connecting baffles, wherein the outer support rod is close to the outer edge of the connecting baffle, and the inner support rod is close to the inside of the connecting baffle, and the outer support rod and the inner support rod are symmetrically installed on both sides of the inside of the connecting baffle;

[0010] An intelligent terminal is fixedly connected to the outer surface of the connecting baffle, and the intelligent terminal is used to monitor the rotation speed;

[0011] The vehicle speed detection mechanism includes a speed measuring roller and an inclined rod, wherein the speed measuring roller is installed between the connecting baffles and can rotate, and one end of the speed measuring roller is connected to the inside of the smart terminal;

[0012] The two diagonal tie rods form a group and the lower ends are symmetrically hinged on the inner support rod. A connecting rod is fixedly connected between the speed measuring rollers. A telescopic member is hinged on the connecting rod. The other end of the telescopic member is hinged on the outer support rod to support the diagonal tie rod.

[0013] Rotatable blocking rollers are installed between the inclined tie rods, and the blocking rollers are symmetrically distributed on both sides of the speed measuring roller.

[0014] Preferably, the interior of the intelligent terminal includes a rotation speed sensor for detecting the rotation speed and a display screen for displaying the rotation speed sensor data, and the rotation speed sensor is connected to the rotating shaft of the speed measuring roller.

[0015] Preferably, the speed measuring roller and the two blocking rollers are distributed in an inverted triangle, and the speed measuring roller is located at the bottom of the triangle.

[0016] Preferably, the outer surfaces of the speed measuring roller and the blocking roller are both provided with anti-slip grooves, and the side surfaces of the speed measuring roller are provided with disc brakes.

[0017] Preferably, all the telescopic members move synchronously, and the telescopic members are hydraulic rods.

[0018] Preferably, a detection platform auxiliary device is fixedly connected to the side surface of the connecting baffle, and the detection platform auxiliary device has a slope.

[0019] Preferably, the slope on the auxiliary device of the detection platform is a gentle slope, and a buffer zone is provided between the auxiliary devices of the detection platform.

[0020] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0021] First, the utility model sets a rotatable speed measuring roller between the connecting baffles, connects with the intelligent terminal through the speed measuring roller, and sets blocking rollers on both sides of the speed measuring roller to form an inverted triangle between the speed measuring roller, thereby limiting the power wheel of the automobile. When the power wheel of the automobile rotates, the speed measuring roller rotates accordingly, and the rotation data is displayed through the intelligent terminal, thereby achieving safety detection, and the detection data is less affected by the outside world.

[0022] Secondly, the utility model uses a telescopic part to pull the diagonal rod, so that the blocking rollers on both sides of the speed measuring roller can change the angle between them, so as to adapt to wheels of different sizes. When the vehicle is being tested, the support height of the blocking roller can be changed to facilitate the vehicle to get on and off, thereby achieving the effect of improving adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the structure of the utility model;

[0024] Figure 2 This is a left view of the structure of the utility model;

[0025] Figure 3 This is a top view of the structure of the utility model;

[0026] Figure 4 This is a schematic diagram of the installation of the blocking roller of the utility model.

[0027] Among them: 1. Support mechanism; 101. Connecting baffle; 102. External support rod; 103. Internal support rod; 104. Intelligent terminal; 2. Vehicle speed detection mechanism; 201. Speed ​​measuring roller; 202. Inclined rod; 203. Connecting rod; 204. Telescopic member; 205. Blocking roller; 3. Auxiliary device of the test bench. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] See also Figure 1-4 A vehicle speed detection device comprises a support mechanism 1, a vehicle speed detection mechanism 2 is arranged inside the support mechanism 1, the support mechanism 1 comprises connecting baffles 101 located on both sides, an outer support rod 102 and an inner support rod 103 are fixedly connected between the connecting baffles 101, the outer support rod 102 is close to the outer edge of the connecting baffle 101, the inner support rod 103 is close to the inside of the connecting baffle 101, and the outer support rod 102 and the inner support rod 103 are symmetrically installed on both sides of the inside of the connecting baffle 101;

[0030] The outer surface of the connecting baffle 101 is fixedly connected with an intelligent terminal 104, which is used to monitor the rotation speed. The detection and display devices inside the intelligent terminal 104 are all existing devices;

[0031] The vehicle speed detection mechanism 2 includes a speed measuring roller 201 and an inclined rod 202. The speed measuring roller 201 is installed between the connecting baffles 101 and can rotate. One end of the speed measuring roller 201 is connected to the inside of the smart terminal 104.

[0032] Two inclined tie rods 202 are formed into a group and the lower ends are symmetrically hinged on the inner support rod 103. A connecting rod 203 is fixedly connected between the speed measuring rollers 201. A telescopic member 204 is hinged on the connecting rod 203. The other end of the telescopic member 204 is hinged on the outer support rod 102 to support the inclined tie rod 202.

[0033] Rotatable blocking rollers 205 are installed between the inclined tie rods 202 , and the blocking rollers 205 are symmetrically distributed on both sides of the speed measuring roller 201 .

[0034] Through the above technical solution, a rotatable speed measuring roller 201 is set between the connecting baffles 101, and is connected to the smart terminal 104 through the speed measuring roller 201. At the same time, blocking rollers 205 are set on both sides of the speed measuring roller 201 to form an inverted triangle between the speed measuring roller 201, so as to limit the power wheel of the automobile. When the power wheel of the automobile rotates, the speed measuring roller 201 rotates accordingly, and the rotation data is displayed through the smart terminal 104, thereby achieving safety detection, and the detection data is less affected by the outside world.

[0035] Specifically, the interior of the intelligent terminal 104 includes a rotation speed sensor for detecting the rotation speed and a display screen for displaying the rotation speed sensor data. The rotation speed sensor is connected to the rotating shaft of the speed measuring roller 201 .

[0036] Through the above technical solution, the speed sensor is used to detect the speed of the speed measuring roller 201, so that the speed of the car can be calculated according to the diameter of the speed measuring roller 201, and the speed sensor transmits data to the display screen for intuitive display.

[0037] Specifically, the speed measuring roller 201 and the two blocking rollers 205 are arranged in an inverted triangle, and the speed measuring roller 201 is located at the bottom of the triangle.

[0038] Through the above technical solution, the blocking rollers 205 are arranged on both sides of the speed measuring roller 201 to form an inverted triangle, so that the speed measuring roller 201 is driven by the wheel through contact with the wheel, and the blocking rollers 205 on both sides are used to limit the two sides of the wheel. The rotation of the blocking rollers 205 can prevent the car from moving forward or backward, thereby improving safety.

[0039] Specifically, the outer surfaces of the speed measuring roller 201 and the blocking roller 205 are both provided with anti-slip grooves, and the side of the speed measuring roller 201 is provided with a disc brake.

[0040] Through the above technical solution, anti-skid patterns are provided on the outer surfaces of the speed measuring roller 201 and the blocking roller 205, so as to increase the friction with the vehicle wheels and avoid slipping between the speed measuring roller 201 and the wheels to affect the detection accuracy.

[0041] Specifically, all telescopic members 204 move synchronously, and the telescopic members 204 are hydraulic rods.

[0042] Through the above technical solution, the telescopic member 204 is synchronously controlled, so that the stability of the lifting and lowering of the vehicle wheel can be improved, and the telescopic member 204 is set as a hydraulic rod, which can simplify the structure and improve the cost performance of the equipment.

[0043] Specifically, the side of the connecting baffle 101 is fixedly connected with the detection platform auxiliary device 3, and the detection platform auxiliary device 3 has a slope.

[0044] Through the above technical solution, the detection platform auxiliary device 3 is used to facilitate the vehicle to get on and off and to support the non-powered wheels of the vehicle.

[0045] Specifically, the slope on the auxiliary device 3 of the testing platform is a gentle slope, and a buffer zone is provided between the auxiliary devices 3 of the testing platform.

[0046] Through the above technical solution, the slope is set to a gentle slope, so that it is convenient for the car to climb the slope, and the set buffer zone can effectively prevent the manual transmission car from stalling during the uphill process.

[0047] When in use, a rotatable speed measuring roller 201 is arranged between the connecting baffles 101, and the speed measuring roller 201 is connected to the smart terminal 104. At the same time, blocking rollers 205 are arranged on both sides of the speed measuring roller 201 to form an inverted triangle between the speed measuring roller 201, so as to limit the position of the power wheel of the automobile. When the power wheel of the automobile rotates, the speed measuring roller 201 rotates accordingly, and the rotation data is displayed through the smart terminal 104, thereby achieving safety detection, and the detection data is less affected by the outside world;

[0048] By using the telescopic member 204 to pull the inclined rod 202, the blocking rollers 205 on both sides of the speed measuring roller 201 can change the angle between them, so as to adapt to wheels of different sizes. When the vehicle is being tested, the support height of the blocking rollers 205 can be changed to facilitate the vehicle to get on and off, thereby achieving the effect of improving adaptability.

[0049] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A vehicle speed detection device, comprising a support mechanism (1), wherein a vehicle speed detection mechanism (2) is arranged inside the support mechanism (1), characterized in that: The support mechanism (1) comprises connecting baffles (101) located on both sides, an outer support rod (102) and an inner support rod (103) are fixedly connected between the connecting baffles (101), the outer support rod (102) is close to the outer edge of the connecting baffle (101), the inner support rod (103) is close to the inside of the connecting baffle (101), and the outer support rod (102) and the inner support rod (103) are symmetrically mounted on both sides of the inside of the connecting baffle (101); An intelligent terminal (104) is fixedly connected to the outer surface of the connecting baffle (101), and the intelligent terminal (104) is used to monitor the rotation speed; The vehicle speed detection mechanism (2) comprises a speed measuring roller (201) and an inclined rod (202); the speed measuring roller (201) is installed between the connecting baffles (101) and is rotatable; one end of the speed measuring roller (201) is connected to the inside of the intelligent terminal (104); The inclined tie rods (202) are grouped in two and their lower ends are symmetrically hinged on the inner support rod (103); a connecting rod (203) is fixedly connected between the speed measuring rollers (201); a telescopic member (204) is hinged on the connecting rod (203); the other end of the telescopic member (204) is hinged on the outer support rod (102) to support the inclined tie rod (202); Rotatable blocking rollers (205) are installed between the inclined rods (202), and the blocking rollers (205) are symmetrically distributed on both sides of the speed measuring roller (201).

2. A vehicle speed detection device according to claim 1, characterized in that: The intelligent terminal (104) includes a rotation speed sensor for detecting the rotation speed and a display screen for displaying the rotation speed sensor data, and the rotation speed sensor is connected to the rotation shaft of the speed measuring roller (201).

3. A vehicle speed detection device according to claim 1, characterized in that: The speed measuring roller (201) and the two blocking rollers (205) are arranged in an inverted triangle, and the speed measuring roller (201) is located at the bottom of the triangle.

4. A vehicle speed detection device according to claim 1, characterized in that: The outer surfaces of the speed measuring roller (201) and the blocking roller (205) are both provided with anti-slip grooves, and the side surface of the speed measuring roller (201) is provided with a disc brake.

5. A vehicle speed detection device according to claim 1, characterized in that: All the telescopic members (204) move synchronously, and the telescopic members (204) are hydraulic rods.

6. A vehicle speed detection device according to any one of claims 1 to 5, characterized in that: A detection platform auxiliary device (3) is fixedly connected to the side surface of the connecting baffle (101), and the detection platform auxiliary device (3) has a slope.

7. A vehicle speed detection device according to claim 6, characterized in that: The slope on the detection platform auxiliary device (3) is a gentle slope, and a buffer zone is provided between the detection platform auxiliary devices (3).

Images