Height measuring tool for electric locomotive sensor

Abstract

The utility model discloses a height measuring tool for an electric locomotive sensor, which comprises a main ruler, an auxiliary ruler, a height ruler and a spirit bubble, the main ruler is provided with horizontal scales, the main ruler is provided with a nylon walking strip, the auxiliary ruler is provided with a long groove, the long groove is in sliding fit with the nylon walking strip, the height ruler is arranged on the auxiliary ruler through an aluminum mounting seat and a height ruler fastening screw, and the height ruler is arranged on the auxiliary ruler. Stop blocks are arranged on two sides of the lower portion of the main ruler, a vernier is arranged on the height ruler in a sliding mode, a vernier fastening nut is arranged at the left lower end of the vernier, and a spirit bubble is arranged at the right end of the vernier. The device can quickly and accurately measure the height from the vehicle sensor to the steel rail surface and the width from the center of the vehicle sensor to the inner side of the steel rail, and ensures that the installation of the vehicle sensor meets the standard requirement.

Description

Technical Field

[0001] This utility model relates to the field of locomotive maintenance tools, specifically to a height measuring tool for electric locomotive sensors. Background Technology

[0002] The vehicle sensors, also known as ground-based induction receivers, are installed on both sides of the lower bogie of the locomotive, four in total, with front and rear backups for each other. They employ a sealed, waterproof, and shockproof design to ensure reliable system operation. Based on the principle of electromagnetic induction, the sensors combine the induction receiving coil with the magnetic field of the ground sensor to complete the system's positioning and identification. They offer advantages such as high accuracy, short response time, strong anti-interference capability, and long trouble-free operation time. However, there are no specialized measuring tools available for measuring the height of the vehicle sensors on electric locomotives, and operators lack standardized measurements, resulting in large errors and inaccurate measurements of the sensor's installation dimensions. Currently, the tools used to measure sensor height are too rudimentary, leading to excessive measurement errors.

[0003] If the rail surface is lower than the ground, the gap between the measuring tool and the rail surface makes measurement work difficult. Currently, in the process of measuring the height of the vehicle sensor above the rail, if the operator holds the ruler at an incorrect angle or if it wobbles, the height readings will be inconsistent and have large errors. Operators usually take three measurements and take the average, which is time-consuming.

[0004] In summary, this utility model designs a height measuring tool for electric locomotive sensors that can achieve standard measurements, shorten operation time, and achieve accurate measurements. Summary of the Invention

[0005] To address the shortcomings of existing technologies, the purpose of this utility model is to provide a height measuring tool for electric locomotive vehicle sensors, which can quickly and accurately measure the height of the vehicle sensor from the rail surface and the width of the center of the vehicle sensor from the inner side of the rail, ensuring that the vehicle sensor installation meets the standard requirements.

[0006] To achieve the above objectives, this utility model is implemented through the following technical solution: a height measuring tool for electric locomotive sensors, comprising a main scale, a secondary scale, a height gauge, and a spirit level. The main scale is provided with a horizontal scale and a nylon guide strip. The secondary scale is provided with a long groove that slides in conjunction with the nylon guide strip. The height gauge is mounted on the secondary scale via an aluminum mounting base and height gauge fastening screws. Stops are provided on both sides of the lower part of the main scale. A vernier is slidably mounted on the height gauge. The lower left end of the vernier is a vernier fastening nut, and the right end of the vernier is provided with a spirit level.

[0007] Preferably, the height gauge is provided with height gauge graduations.

[0008] Preferably, all the blocks are nylon blocks.

[0009] Preferably, the height gauge forms a 90° angle with the vernier.

[0010] The beneficial effects of this utility model are: This utility model has a simple structure and is easy to operate. It can effectively solve the problem of vehicle sensor height measurement, improve maintenance efficiency and quality, and has broad application prospects. Attached Figure Description

[0011] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments;

[0012] Figure 1 This is a schematic diagram of the structure of this utility model;

[0013] Figure 2 This is a partially enlarged schematic diagram of the present invention;

[0014] Figure 3 This is a schematic diagram illustrating the measurement application of this utility model. Detailed Implementation

[0015] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0016] Reference Figures 1-2 The specific implementation adopts the following technical solution: a height measuring tool for electric locomotive sensors, including a main scale 1, a secondary scale 2, a height gauge 3, and a spirit level 11. The main scale 1 is provided with a horizontal scale 8 and a nylon guide strip. The secondary scale 2 is provided with a long groove that slides with the nylon guide strip. The height gauge 3 is mounted on the secondary scale 2 via an aluminum mounting base and a height gauge fastening screw 6. Stops 7 are provided on both sides of the lower part of the main scale 1. A vernier 4 is slidably mounted on the height gauge 3. The lower left end of the vernier 4 is a vernier fastening nut 5, and the right end of the vernier 4 is provided with a spirit level 11.

[0017] It is worth noting that the height gauge 3 is provided with height gauge scale 9.

[0018] It is worth noting that all of the aforementioned blocks 7 are nylon blocks.

[0019] Furthermore, the height ruler 3 forms a 90° angle with the vernier.

[0020] In this specific embodiment, the main scale 1 is made of aluminum alloy square tubing, with a length of 1600mm, and is used to measure the distance from the center of the vehicle sensor to the inner side of the rail. The auxiliary scale 2 is also made of aluminum alloy square tubing, with a length of 700mm, and is connected to the main scale via a nylon strip. It can slide freely along the main scale and is used to measure the height of the vehicle sensor. The height gauge 3 is made of 90° stainless steel angle ruler and is installed on the auxiliary scale to measure the height of the vehicle sensor from the rail surface. The stop block 7 is made of nylon block and is installed at the lower part of the main scale to fix the position of the measuring tools.

[0021] Through actual testing, using this tool significantly improved the measurement accuracy of the vehicle sensor height and greatly reduced the measurement time, ensuring the accuracy of the vehicle sensor installation.

[0022] Example 1: Refer to Figure 3 This measuring tool is specifically designed to measure the height H of the electric locomotive's phase-crossing sensor from the B-side of the rail and the width L of the distance from the centerline of the electric locomotive's phase-crossing sensor to the inner side of the rail.

[0023] Specifications: Weight: 0.7 kg; Length × Width × Height: 1570 mm × 50 mm × 193 mm

[0024] Height of the bottom surface of the vehicle sensor from the rail surface: 110-120mm

[0025] Width of the center of the vehicle sensor from the inside of the rail: 335±20mm

[0026] The sensor receiver A of the vehicle-mounted automatic phase-crossing device is installed as shown in the figure (335±20mm from the inside of the rail and 110+10mm from the rail tread).

[0027] The specific operation of the measuring tool is as follows:

[0028] (1) Before entering the trench, put on work clothes, a protective helmet, and insulated shoes. Confirm that the locomotive pantograph is lowered, place "No Moving" signs in front of and behind the locomotive, and engage wheel chocks. Bring measuring tools and other work tools.

[0029] (2) Before operation, check and calibrate the vehicle sensor measuring tool. (Place the tool vertically on the two rails, with the lower right stop of the main scale in close contact with the inside of the rail, and the vernier scale able to move flexibly left and right. When it is moved to the leftmost position, it corresponds to the 0 mark on the main scale. The 0 mark on the height gauge is flush with the lower end of the main scale. Tighten the screws on the vertical parts of the scale and the vernier scale. The vernier on the height gauge can move flexibly up and down. When the vernier fixing nut is fixed, the level bubble on the right side of the vernier is exactly in the middle position.)

[0030] (3) During the assignment:

[0031] ① When the ground height below the sensor to be tested is lower than the rail surface: Place the calibrated sensor height measuring tool vertically on the rail below locomotive end I, and align it with sensors T1 and T2 on the same horizontal plane. Move the vernier scale towards sensor T1 until the right side of the height gauge is in close contact with the rightmost side of T1. Read the horizontal scale L1 corresponding to the distance the vernier scale moved towards T1 on the main scale. Then move the vernier on the height gauge upwards until it is in close contact with the horizontal plane below sensor T1. Tighten the fastening nut on the vernier and read the scale value H on the height gauge. This scale value H is the height of sensor T1 from the rail surface.

[0032] ② When the ground height below the sensor to be tested is higher than the rail surface: Place the calibrated sensor height measuring tool vertically on the rail below one end of the locomotive, and ensure it is on the same horizontal plane as sensors T1 and T2. Loosen the screws securing the scale perpendicular to the vernier scale, move the height scale upwards by a certain increment, and retighten the screws. Read the height scale value h1 from the upward movement of the height scale. Move the vernier scale towards sensor T1 until it is flush with the rightmost side of T1. Then move the horizontal scale upwards until it is flush with the lower horizontal plane of sensor T1. Tighten the nut on the horizontal scale and read the scale value h2. Apply the formula: H = h1 + h2. The calculated scale value H is the height of sensor T1 from the rail surface.

[0033] ③ Calculation of the distance L from the center of the vehicle sensor to the inside of the rail (range requirement: 335±20mm): Apply the formula: L=L1+L2. The value L is for reference only and is not used as an acceptance standard. (L2 is the radius of the vehicle sensor).

[0034] ④ Measure and record the distances of the sensors from the rail surface to the T1, T2, T3, and T4 sensors in sequence: H1, H2, H3, H4;

[0035] (4) When the measured value is within the range of 110≤H≥120mm, there is no need to adjust the height of the vehicle sensor;

[0036] (5) When measuring the height of the vehicle sensor, the bubble level is mainly used to help determine the horizontal state of the two rails and serves as an auxiliary reference.

[0037] When the measured value is in the range of H < 110mm or H > 120mm, an electric wrench and a combination wrench are needed to adjust the height of the vehicle sensor to within the range of 110 ≤ H ≥ 120mm, tighten the left and right mounting screws of the vehicle sensor, and apply the paint mark.

[0038] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A height measuring tool for electric locomotive sensors, characterized in that, It includes a main scale (1), a secondary scale (2), a height gauge (3), and a spirit level (11). The main scale (1) is equipped with a horizontal scale (8) and a nylon feed strip. The secondary scale (2) is equipped with a long groove that slides with the nylon feed strip. The height gauge (3) is mounted on the secondary scale (2) via an aluminum mounting base and a height gauge fastening screw (6). The lower two sides of the main scale (1) are equipped with stop blocks (7). The height gauge (3) is equipped with a vernier (4) that slides on it. The lower left end of the vernier (4) is a vernier fastening nut (5). The right end of the vernier (4) is equipped with a spirit level (11).

2. The electric locomotive vehicle sensor height measuring tool according to claim 1, characterized in that, The height gauge (3) is provided with height gauge scale (9).

3. The electric locomotive vehicle sensor height measuring tool according to claim 1, characterized in that, All of the aforementioned blocks (7) are nylon blocks.

4. The electric locomotive vehicle sensor height measuring tool according to claim 1, characterized in that, The height gauge (3) forms a 90° angle with the vernier.

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