Single-wheel transverse force friction coefficient metrological verification structure

Abstract

The utility model discloses a single-wheel transverse force friction coefficient metrological verification structure, and relates to the technical field of single-wheel transverse force friction coefficients. Comprising a counter-force fixing piece, a fixed bottom plate, a movable trolley, a loading ejector rod, a high-precision force sensor and a friction wheel, the fixed bottom plate is arranged at the bottom of the counter-force fixing piece, the friction wheel is arranged above the fixed bottom plate, the movable trolley is arranged at the bottom of the friction wheel, the high-precision force sensor is arranged on one side of the movable trolley, and the loading ejector rod is arranged on the other side of the movable trolley. A loading ejector rod is arranged at one end of the high-precision force sensor, and a fixed bottom plate is arranged at the bottom of the loading ejector rod. The counter-force fixing piece, the fixed bottom plate, the movable trolley, the loading ejector rod, the high-precision force sensor and the friction wheel are arranged, a metrological verification basis is provided, the equipment provides a clear basis for metrological verification work of the single-wheel transverse force friction coefficient equipment, and the accuracy and reliability of the equipment in the testing process can be ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to single wheel transverse force friction coefficient technical field, concretely is a single wheel transverse force friction coefficient measurement and calibration structure. BACKGROUND

[0002] In the field of transportation, single wheel transverse force friction coefficient equipment is an important tool for evaluating the anti-skid performance of the road surface. The device measures the friction coefficient of the road surface by simulating the friction between the vehicle tire and the road surface, so as to evaluate the safety performance of the road surface. However, in order to ensure the data accuracy and consistency of these devices, they need to be periodically measured and calibrated.

[0003] In the measurement and calibration work of single wheel transverse force friction coefficient equipment, the traditional method often needs to disassemble the sensor of the equipment for calibration comparison, which is not only cumbersome, time-consuming and laborious, but also easy to introduce human error, affecting the accuracy and reliability of the calibration results. UTILITY MODEL CONTENT

[0004] The utility model provides a single wheel transverse force friction coefficient measurement and calibration structure to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a single wheel transverse force friction coefficient measurement and calibration structure, comprising a counterforce fixing part, a fixed bottom plate, a movable trolley, a loading top rod, a high-precision force sensor and a friction wheel, the bottom of the counterforce fixing part is provided with a fixed bottom plate, the top of the fixed bottom plate is provided with a friction wheel, the bottom of the friction wheel is provided with a movable trolley, one side of the movable trolley is provided with a high-precision force sensor, one end of the high-precision force sensor is provided with a loading top rod, and the bottom of the loading top rod is provided with a fixed bottom plate.

[0006] Further, the movable trolley is provided with wheels on the front and rear sides.

[0007] Further, the loading top rod is fixedly provided with mounting plates on the front and rear sides, and the mounting plates are movably connected with the fixed bottom plate by screws.

[0008] Further, the screw is made of stainless steel.

[0009] Further, the movable trolley and the fixed bottom plate are provided with concave plates, and the concave plates are shaped like a low middle and high sides.

[0010] Further, the fixed bottom plate is in the shape of a cuboid.

[0011] Compared with the prior art, the utility model provides a single wheel transverse force friction coefficient measurement and calibration structure, which has the following advantages:

[0012] 1、 the single wheel lateral force friction coefficient measurement and verification structure, through the setting up counterforce fixing part, fixed bottom plate, movable trolley, loading top rod, high-precision force sensor and friction wheel, provide measurement and verification basis, the equipment provides clear basis for the measurement and verification work of single wheel lateral force friction coefficient equipment, help to ensure the accuracy and reliability of the equipment in the test process;

[0013] Unified data standard, by using the equipment, can provide standard for the data uniformity of single wheel lateral force friction coefficient equipment, so as to avoid the data difference caused by different equipment or different test methods;

[0014] High-precision sensor application, the equipment adopts higher precision force sensor to calibrate the force sensor of the equipment, which can more truly reflect the stress condition of the friction wheel tire on the road surface friction, so as to more accurately evaluate the friction coefficient of the road surface;

[0015] Convenient and efficient calibration method, the equipment establishes a special structure which can calibrate and compare without disassembling the equipment sensor, greatly simplifies the process of calibration work, reduces the time cost of calibration work, and improves the work efficiency;

[0016] Provide consistency basis, by using the equipment for measurement and verification, the verification work of single wheel lateral force friction coefficient equipment can provide consistency basis, ensure that the test results of different equipment under the same conditions have comparability;

[0017] Promote highway friction detection work, the application of the equipment will help to improve the accuracy and efficiency of highway friction detection, which has important significance for guaranteeing road traffic safety and improving road use quality. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The structure of the utility model is shown in the figure.

[0019] In the figure: 1, counterforce fixing part;2, fixed bottom plate;3, movable trolley;4, loading top rod;5, high-precision force sensor;6, friction wheel. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0021] Please refer to Figure 1The utility model discloses a single wheel transverse force friction coefficient measurement and calibration structure, including counterforce fixing piece 1, fixed bottom plate 2, movable trolley 3, loading top rod 4, high accuracy force sensor 5 and friction wheel 6, the bottom of counterforce fixing piece 1 is provided with fixed bottom plate 2, the top of fixed bottom plate 2 is provided with friction wheel 6, the bottom of friction wheel 6 is provided with movable trolley 3, one side of movable trolley 3 is provided with high accuracy force sensor 5, and high accuracy force sensor is a kind of force sensor capable of measuring, and its principle is to utilize strain gauge or elastomer etc.

[0022] Specifically, the movable trolley 3 is provided with wheels on the front and rear sides.

[0023] In the embodiment, the movable trolley 3 is part of the single wheel transverse force friction coefficient measurement and calibration device, and is used to carry the friction wheel 6. During the calibration process, the friction wheel 6 falls on the movable trolley 3 on the fixed bottom plate 2.

[0024] Specifically, the loading top rod 4 is fixedly provided with mounting plates on the front and rear sides, and the mounting plates are movably connected to the fixed bottom plate 2 by screws.

[0025] In the embodiment, the loading top rod 4 is installed on the fixed bottom plate 2 by the screws. The loading top rod 4 loads the movable trolley 3 by the high accuracy force sensor 5, and drives the friction wheel 6 of the single wheel transverse force friction coefficient device to move inward to stretch the force sensor of the device.

[0026] Specifically, the screw is made of stainless steel.

[0027] In the embodiment, the screw is made of stainless steel. The stainless steel screw generally refers to a steel screw with the ability to resist corrosion of air, water, acid, alkali salt or other media. The stainless steel screw is not easy to rust and is durable. Stainless steel generally refers to steel with the ability to resist corrosion of air, water, acid, alkali salt or other media.

[0028] Specifically, a concave plate is arranged between the movable trolley 3 and the fixed bottom plate 2, and the concave plate has a shape with a low middle and high sides.

[0029] In the embodiment, the concave plate has a shape with a low middle and high sides. This design helps to keep the movable trolley 3 stable when moving and guides the trolley to move on a specific path.

[0030] Specifically, the fixed base plate 2 is in the shape of a cuboid.

[0031] In this embodiment, the fixed base plate 2 is mainly used to provide a stable base to support the movable trolley 3, the loading top rod 4, the high-precision force sensor 5 and the friction wheel 6.

[0032] In use, the core data acquisition component of the single-wheel lateral force friction coefficient device is the tension sensor. The device transmits the frictional resistance between the friction wheel 6 and the ground to the force sensor through mechanical structural components, and then collects and analyzes the data by computer software to generate an evaluation report of the road surface friction coefficient.

[0033] The key of the device is to use a higher-precision force sensor to calibrate the force sensor of the device to more truly reflect the force condition of the friction wheel 6 when it is in friction with the road surface. This technology can accurately reflect the friction and skid condition of the road surface, thereby characterizing the anti-skid ability of the road surface.

[0034] In terms of structure, the counterforce fixing member 1 is used to firmly install the fixed base plate 2 on the ground. The friction wheel 6 of the single-wheel lateral force friction coefficient device is placed on the movable trolley 3 on the fixed base plate 2. The loading top rod 4 applies a loading force to the movable trolley 3 through the high-precision force sensor 5, thereby pushing the friction wheel 6 of the single-wheel lateral force friction coefficient device to move inward and stretching the force sensor of the device.

[0035] By measuring the changes under different loading forces, the coefficient of the force sensor of the device can be calculated, and the sensor of the device can be adjusted to achieve an accurate, sensitive and reliable working state.

[0036] In summary, the single-wheel lateral force friction coefficient measurement and verification structure, by setting the counter-force fixing part 1, the fixed bottom plate 2, the movable trolley 3, the loading top rod 4, the high-precision force sensor 5 and the friction wheel 6, provides the measurement and verification basis, which provides a clear basis for the measurement and verification of the single-wheel lateral force friction coefficient device, helps to ensure the accuracy and reliability of the device during the test process, unifies the data standard, and through the use of the device, the data uniformity of the single-wheel lateral force friction coefficient device can be provided with a standard, so as to avoid the data difference caused by different devices or different test methods, the high-precision sensor is applied, the device uses a higher-precision force sensor to calibrate the force sensor of the device, which can more truly reflect the stress condition of the friction wheel tire when it is rubbed on the road surface, so as to more accurately evaluate the friction coefficient of the road surface, the convenient and efficient calibration method, the device establishes a special structure that can calibrate and compare without disassembling the device sensor, greatly simplifies the process of calibration work, reduces the time cost of calibration work, and improves the work efficiency, provides a consistent basis, through the use of the device for measurement and verification, the consistent basis can be provided for the verification work of the single-wheel lateral force friction coefficient device, to ensure that the test results of different devices under the same conditions are comparable, promote the highway friction detection work, the application of the device will help to improve the accuracy and efficiency of highway friction detection, which has important significance for guaranteeing road traffic safety and improving road use quality.

[0037] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A single-wheel lateral force friction coefficient metrological verification structure, comprising a counter-force fixing member (1), a fixed base plate (2), a movable trolley (3), a loading top rod (4), a high-precision force sensor (5) and a friction wheel (6), characterized in that: The bottom of the counterforce fixing part (1) is provided with a fixed bottom plate (2), the upper side of the fixed bottom plate (2) is provided with a friction wheel (6), the bottom of the friction wheel (6) is provided with a movable trolley (3), one side of the movable trolley (3) is provided with a high-precision force sensor (5), one end of the high-precision force sensor (5) is provided with a loading top rod (4), and the bottom of the loading top rod (4) is provided with a fixed bottom plate (2).

2. A single wheel lateral force friction coefficient metrological verification structure according to claim 1, characterized in that: Both sides of the movable trolley (3) are provided with wheels.

3. The single wheel lateral force friction coefficient metrological verification structure according to claim 1, characterized in that: Both sides of the loading top rod (4) are fixedly provided with mounting plates, and the mounting plates and the fixed bottom plate (2) are movably connected through screws.

4. The single wheel lateral force friction coefficient metrological verification structure according to claim 3, characterized in that: The material of the screw is stainless steel.

5. The single wheel lateral force friction coefficient metrological verification structure of claim 1, wherein: A concave plate is arranged between the movable trolley (3) and the fixed bottom plate (2), and the concave plate is in a shape of low in the middle and high on both sides.

6. The single wheel lateral force friction coefficient metrological verification structure of claim 1, wherein: The fixed bottom plate (2) is in a cuboid shape.

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