Composite measuring scale for intercity motor train unit

By designing a composite measuring ruler for intercity EMUs, the complexity and inefficiency caused by multiple measuring tools were solved, enabling rapid and accurate measurement of various data and improving the measurement efficiency and safety of intercity EMUs.

CN223580844UActive Publication Date: 2025-11-21GUANGZHOU METRO GRP CO LTD
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Patent Information

Application Number
CN202423320948.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-11-21
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

During the secondary maintenance of intercity EMUs, the variety of measuring tools and the complexity of their use and coordination lead to tight measurement schedules, low accuracy, and low efficiency. Furthermore, the limited physical strength of the operators also affects the measurement efficiency.

Method used

A composite measuring ruler for intercity EMU trains was designed, including a horizontal module, a height module, and a distance module. It is kept horizontal by magnetic attraction and its rotation is restricted by a limiting component. Combined with multiple measurement functions, it can realize the rapid measurement of various data.

Benefits of technology

It improves measurement efficiency, reduces the types of tools to carry, facilitates on-site management, lowers the skill requirements for operators, and ensures measurement accuracy and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of inter-city motor train unit maintenance, in particular to a composite measuring scale for an inter-city motor train unit. The intercity motor train unit composite measuring scale specifically comprises a horizontal module, a height module and a distance module. The height module is vertically connected with the horizontal module and is matched with the horizontal module to measure the height of the coupler; the distance module extends into two ends of the horizontal module, and is matched with the horizontal module to detect the height from the lowest surface of the neutral section passing sensor to the steel rail surface, the horizontal distance from the central point of the neutral section passing sensor to the center line of the steel rail, and the wheel set inner side distance. The device has the advantages of being capable of measuring various data and high in measuring efficiency.
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Description

TECHNICAL FIELD

[0001] The utility model relates to intercity motor train unit overhauling technical field, especially intercity motor train unit composite measuring scale. BACKGROUND

[0002] In the process of the intercity motor train unit in the secondary repair, a variety of different measuring tools need to be used to measure data, and the tools need to be carried to different data measurement points, which is prone to improper use of tools, missing tools in the operation site and other phenomena, which is not conducive to the on-site tool management. In the detection process, the distance from the horizontal center line of the coupler to the top surface of the rail, the height of the minimum surface of the overpass sensor from the rail surface, the horizontal distance of the center point of the sensor from the rail center line and the inside distance of the wheelset need to be detected.

[0003] Since the coupler height and overpass sensor data need to be measured under sufficient train pressure, and the train pressure will decrease over time during the operation, if the operator is not familiar with the use and cooperation of the tools, the operation time will be too long, which will eventually affect the accuracy and effectiveness of the measurement results. Therefore, the measurement operation is relatively complex and requires a high degree of proficiency.

[0004] When measuring the inside distance of the wheelset, the operator needs to hold the measuring scale and ensure that the scale is level, which affects the operation efficiency due to the limited physical strength of the operator and the large number of wheelsets to be measured.

[0005] Therefore, in view of the deficiencies of the prior art, an intercity motor train unit composite measuring scale is provided. UTILITY MODEL CONTENTS

[0006] In order to overcome the deficiencies of the prior art, the utility model provides an intercity motor train unit composite measuring scale, which aims to solve the problems of too many measuring tools, complex cooperation, urgent measurement time, low measurement accuracy and low efficiency.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] An intercity motor train unit composite measuring scale, comprising: a horizontal module, a height module and a distance module;

[0009] The height module is connected perpendicularly to the horizontal module, and the height module and the horizontal module cooperate to measure the coupler height.

[0010] The distance module extends into both ends of the horizontal module, and the distance module and the horizontal module cooperate to detect the height of the minimum surface of the overpass sensor from the rail surface, the horizontal distance of the center point of the overpass sensor from the rail center line and the inside distance of the wheelset.

[0011] As a further improvement of the utility model technical scheme, the horizontal module includes horizontal rod body and magnetic attraction piece, the magnetic attraction piece is located below the horizontal rod body, the magnetic attraction piece is matched with the steel rail magnetically.

[0012] As a further improvement of the utility model technical scheme, the height module includes support seat, height scale and measuring slide block, the height scale is connected perpendicularly to the horizontal rod body through the support seat, the measuring slide block is connected slidingly with the height scale, and the measuring slide block is aligned with the car hook measuring point.

[0013] As a further improvement of the utility model technical scheme, the distance module includes distance rod body, connecting block and scale claw, the distance rod body is fixedly connected with the connecting block, the connecting block is connected slidingly with the scale claw, the connecting block is provided with height reading window for reading the scale of the scale claw, both ends of the horizontal rod body are provided with openings for inserting the distance rod body, the horizontal rod body is connected rotatably with the distance rod body, and the opening is provided with distance reading window for reading the scale of the distance rod body.

[0014] As a further improvement of the utility model technical scheme, the horizontal module further includes limiting assembly, the limiting assembly includes limiting pin, elastic member and pin cap, both ends of the elastic member are connected with the limiting pin and the pin cap respectively, and the pin cap is connected with the horizontal rod body.

[0015] As a further improvement of the utility model technical scheme, the distance rod body includes a plurality of limiting sliding grooves, and the limiting pin is connected with the limiting sliding grooves in a limiting mode.

[0016] As a further improvement of the utility model technical scheme, the rotation angle of the horizontal rod body and the distance rod body is ±30°.

[0017] As a further improvement of the utility model technical scheme, the horizontal module further includes level meter, and the level meter is fixed to the upper end surface of the horizontal rod body.

[0018] As a further improvement of the utility model technical scheme, the horizontal rod body is further provided with first indicating line, the support seat is provided with second indicating line, and the first indicating line is aligned with the second indicating line.

[0019] As a further improvement of the utility model technical scheme, the magnetic attraction piece includes balance magnet and vertical magnet, the balance magnet is matched with the surface of the steel rail magnetically, and the vertical magnet is matched with the side surface of the steel rail magnetically.

[0020] Compared with the prior art, the utility model has the beneficial effects that:

[0021] The horizontal module, the height module and the distance module in the intercity motor train unit composite measuring scale can be assembled and disassembled according to different measuring requirements, the horizontal module is assembled with the height module and the distance module as a core module, the horizontal module is horizontally placed on the steel rail, the height module is used for measuring the height of the coupler by cooperating with the horizontal module, and the distance module is used for detecting the height of the lowest surface of the overhead phase sensor from the surface of the steel rail, the horizontal distance of the center point of the overhead phase sensor from the center line of the steel rail and the inside distance of the wheel set. BRIEF DESCRIPTION OF DRAWINGS

[0022] The technology of the utility model will be further described in detail in combination with the drawings and specific embodiments:

[0023] Fig. 1 is the three-dimensional structure schematic view of the intercity motor train unit composite measuring scale of the utility model;

[0024] Fig. 2 is the three-dimensional structure schematic view of the distance module in the intercity motor train unit composite measuring scale of the utility model;

[0025] Fig. 3 is the bottom view of the distance module in the intercity motor train unit composite measuring scale of the utility model.

[0026] In the drawings:

[0027] 1, horizontal module; 11, horizontal rod body; 111, first indicating line; 112, distance reading window; 121, balance magnet; 122, vertical magnet; 13, limiting assembly; 14, level;

[0028] 2, height module; 21, support seat; 211, second indicating line; 22, height scale; 23, measuring sliding block;

[0029] 3, distance module; 31, distance rod body; 311, limiting sliding groove; 32, connecting block; 321, height reading window; 33, scale claw. SPECIFIC EMBODIMENT

[0030] The concept, specific structure and generated technical effects of the utility model will be clearly and completely described in combination with the embodiments and the drawings, so as to fully understand the purpose, scheme and effect of the utility model. It should be noted that the embodiments in the application and the features in the embodiments can be combined with each other without conflict. The same reference signs used in the drawings indicate the same or similar parts.

[0031] It should be noted that, unless otherwise specified, when a certain feature is referred to as being "fixed", "connected" to another feature, it can be directly fixed, connected to the other feature, or indirectly fixed, connected to the other feature. In addition, the up, down, left, right and other descriptions used in the utility model are only relative to the mutual positional relationship of the components of the utility model in the drawings.

[0032] Referring to Figs. 1 to 3 An intercity EMU composite measuring scale, comprising a horizontal module 1, a height module 2 and a distance module 3;

[0033] In one embodiment, the height module 2 is connected perpendicularly to the horizontal module 1, and the height module 2 cooperates with the horizontal module 1 to measure the height of the coupler; the distance module 3 extends into both ends of the horizontal module 1, and the distance module 3 cooperates with the horizontal module 1 to detect the height of the overpass sensor and the wheel pair inside distance.

[0034] The horizontal module 1, the height module 2 and the distance module 3 can be assembled and disassembled according to different measurement requirements, the horizontal module 1 is assembled with the height module 2 and the distance module 3 as the core module, the horizontal module 1 is placed horizontally on the rail, the height module 2 measures the height of the coupler by cooperating with the horizontal module 1, and the distance module 3 detects the height of the overpass sensor from the rail surface, the horizontal distance of the overpass sensor center point from the rail center line, and the wheel pair inside distance by cooperating with the horizontal module 1. The intercity EMU composite measuring scale has the characteristics of measuring multiple data and high measurement efficiency. The composite measuring scale is complete in function and convenient to use, which is beneficial to reduce the types of tools needed to be carried during EMU data measurement operation, facilitate on-site tool management and improve operation efficiency, at the same time, reduce the number of required collaborative workers, indirectly optimize the labor distribution. The use scenarios mainly concentrate in the manufacturing, maintenance and detection process of intercity EMUs. Since the intercity EMU needs to maintain high precision and stability during operation, the size measurement requirements of each part of the vehicle are very strict. The composite measuring scale can meet the demand of accurately measuring different parts of the EMU vehicle, and ensure the safety and reliability of the vehicle.

[0035] In one embodiment, the horizontal module 1 comprises a horizontal rod body 11 and a magnetic attraction element below the horizontal rod body 11, which is magnetically attracted to the rail. The horizontal rod body 11 is a hollow rectangular rod. The horizontal rod body 11 is placed on the rail, and the magnetic attraction element comprises a balance magnet 121 and a vertical magnet 122. The balance magnet 121 is magnetically attracted to the surface of the rail and can reliably maintain the horizontal state when assembling different measurement modules. The vertical magnet 122 is magnetically attracted to the side of the rail, so that the horizontal module 1 is perpendicular to the rail in the horizontal direction, and the center of the horizontal module 1 coincides with the center line of the track with the standard gauge. The balance magnet 121 is not easy to shake or fall, and the vertical magnet 122 is perpendicular to the rail.

[0036] In one embodiment, the height module 2 comprises a support seat 21, a height ruler 22, and a measurement slide block 23. The height ruler 22 is connected to the horizontal rod body 11 perpendicularly through the support seat 21, and the measurement slide block 23 is slidingly connected to the height ruler 22. The measurement slide block 23 is aligned with the measurement point of the coupler. The measurement slide block 23 comprises a slide block body and a measurement head protruding from the slide block body. The measurement head is aligned with the center line of the coupler. Preferably, the height ruler 22 is provided with a scale, and the slide block body is provided with a fastening screw for fixing the height ruler 22.

[0037] The composite measuring ruler integrates multiple measurement functions, including length, width, height, etc. In use, the operator only needs to select the appropriate measurement module or function according to the specific measurement requirements and follow the conventional measurement tool operation steps to measure.

[0038] When measuring the height of the coupler center line from the rail surface, place the horizontal module 1 on the track in front of the coupler and keep it fixed, and vertically install the height module 2 with the support seat 21 downwardly installed in the middle of the horizontal rod body 11 within the range of the first indicating line 111, so that the second indicating line 211 of the support seat 21 is completely aligned with it. Adjust the height of the measurement slide block 23 and the extension position of the measurement head, so that the measurement head is aligned with the measurement point of the coupler and is fixed with a locking nut. The vernier of the measurement slide block 23 and the scale of the height ruler 22 can obtain accurate data.

[0039] In one embodiment, the distance module 3 comprises a distance rod body 31, a connecting block 32, a ruler jaw 33, the distance rod body 31 is fixedly connected with the connecting block 32, the connecting block 32 is slidingly connected with the ruler jaw 33, the connecting block 32 is provided with a height reading window 321 for reading the scale of the ruler jaw 33, the horizontal rod body 11 is provided with an opening at both ends for inserting the distance rod body 31, the horizontal rod body 11 is rotationally connected with the distance rod body 31, and the opening is provided with a distance reading window 112 for reading the scale of the distance rod body 31. The distance reading window 112 is provided with a secondary scale, which cooperates with the scale on the distance rod body 31 to obtain an accurate horizontal distance value. The locking nuts arranged on the upper surface of the horizontal module 1 are used to fix the distance module 3, so as to avoid movement errors during reading after the measurement is completed. Preferably, the distance rod body 31 can rotate forward and backward and slide in and out in the horizontal rod body 11. The connecting block 32 is provided with a locking screw for fixing the ruler jaw 33.

[0040] In one embodiment, the horizontal module 1 further comprises a limiting component 13, which comprises a limiting pin, an elastic member and a pin cap, the two ends of the elastic member are respectively connected with the limiting pin and the pin cap, and the pin cap is connected with the horizontal rod body 11. Preferably, the bottom of the horizontal rod body 11 is further provided with two through holes, the pin cap installs the limiting pin and the elastic member in the through holes, the elastic member enables the limiting pin to make a telescopic movement in the through hole, the limiting pin is designed in a conical shape so as not to fall out from the inside when it is extended out of the through hole, and the elastic member is a spring.

[0041] When it is necessary to measure the height of the lowest surface of the overhead phase sensor from the rail surface, the horizontal distance between the midpoint of the overhead phase sensor and the center line of the rail, the horizontal module 1 is placed on the rail between the overhead phase sensors on both sides of the motor train unit body and kept fixed, the two distance ruler modules are respectively installed into the horizontal module at both ends and kept installed in a vertical state, when the limiting pin falls into the limiting sliding groove 311, the distance ruler module is limited from rotating and is not hindered from telescopic sliding, at this time, the distance reading window 112 displays the horizontal distance scale, the distance module 3 is adjusted to be telescopic and the height of the ruler jaw 33 is adjusted, so that the step of the ruler jaw 33 is tightly attached to the overhead phase sensor in the horizontal direction and the height direction, then the locking nuts at the distance reading window 112 and the sensor height reading window 321 are tightened to fix the distance module 3 as a whole, at this time, the horizontal distance of the sensor can be obtained through the distance reading window 112, and the height of the sensor can be obtained through the sensor height reading window 321.

[0042] In one embodiment, with reference to Fig. 3As shown, the distance rod body 31 comprises three limiting sliding grooves 311, and the limiting pin is connected with the limiting sliding grooves 311 in a limiting mode; the rotating angle of the horizontal rod body 11 and the distance rod body 31 is ±30°. The limiting sliding grooves 311 are arranged along the length direction of the distance rod body 31; when the limiting pin is located in the middle limiting sliding groove 311, the caliper jaw 33 is in a vertical position, and at this time, the distance reading window 112 displays the scale of the horizontal distance from the center point of the phase opposition sensor to the center line of the rail; when the limiting pin is located in the limiting sliding grooves 311 on the two sides, the caliper jaw 33 rotates ±30°, and at this time, the distance reading window 112 displays the wheel set inside scale.

[0043] When it is necessary to measure the wheel set inside scale, on the basis of measuring the phase opposition sensor mode, the device is placed on the rail in front of the measured wheel set, the caliper jaw 33 is adjusted to the same height of the size of the height ruler 22, the locking nut of the sensor height reading window 321 is tightened and fixed, the two distance modules 3 are rotated to the same side by 30° so that the limiting pin falls into another limiting sliding groove 311, at this time, the distance reading window 112 displays the wheel set inside scale, the distance module 3 at one end of the device is adjusted in extension and retraction until the reading of the distance reading window 112 is the initial scale "1400mm", the locking nut at the distance reading window 112 is tightened, the horizontal module 1 is moved to make the top of the step of the caliper jaw 33 at this end tightly adhere to the inside surface of one side of the wheel set, the distance module 3 at the other end is adjusted in extension and retraction, so that the top of the step of the caliper jaw 33 tightly adheres to the inside surface of the other side of the wheel set, and the locking nut at the distance reading window 112 is tightened, and then the wheel set inside distance can be obtained from the distance reading window 112 at this end.

[0044] Preferably, the measurement results are recorded, and data analysis is carried out according to the needs. By comparing the measurement results with the design requirements or standard values, the size precision and manufacturing quality of the motor train unit parts can be evaluated.

[0045] In one embodiment, the horizontal module 1 further comprises a level 14, and the level 14 is fixed to the left and right end surfaces of the horizontal rod body 11. Preferably, the level 14 is a level sight glass, which is used for observing the horizontal state of the horizontal module 1.

[0046] In one embodiment, the horizontal rod body 11 is further provided with a first indicating line 111, and the support seat 21 is provided with a second indicating line 211, and the first indicating line 111 is aligned with the second indicating line 211. When the height module 2 is correctly installed on the horizontal module 1, the first indicating line 111 in the middle of the horizontal rod body 11 will be aligned with the second indicating line 211 of the support seat 21, so as to ensure the precision of the size measurement.

[0047] The other contents of the intercity motor train unit composite measuring scale are known from the prior art, and will not be described here.

[0048] The above are only preferred embodiments of the present application, and are not intended to limit the present application in any form. Any modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application, without departing from the technical solution content of the present application, still belong to the scope of the technical solution of the present application.

[0049] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple" is at least two, for example, two, three, etc., unless otherwise specifically limited.

[0050] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

Claims

1. A composite measuring ruler for intercity EMU trains, characterized in that, include: Horizontal module, height module, and distance module; The height module is connected perpendicularly to the horizontal module, and the height module works in conjunction with the horizontal module to measure the coupler height; The distance module extends into both ends of the horizontal module. The distance module and the horizontal module work together to detect the height of the lowest surface of the phase-separating sensor from the rail surface, the horizontal distance of the center point of the phase-separating sensor from the center line of the rail, and the inner distance of the wheelset.

2. The composite measuring ruler for intercity EMU trains according to claim 1, characterized in that, The horizontal module includes a horizontal bar body and a magnetic chuck. The magnetic chuck is located below the horizontal bar body and magnetically engages with the rail.

3. The composite measuring ruler for intercity EMU trains according to claim 2, characterized in that, The height module includes a support base, a height gauge, and a measuring slider. The height gauge is connected to the horizontal bar body perpendicularly via the support base. The measuring slider is slidably connected to the height gauge and is aligned with the coupler measurement point.

4. The composite measuring ruler for intercity EMU trains according to claim 2, characterized in that, The distance module includes a distance rod body, a connecting block, and a ruler claw. The distance rod body is fixedly connected to the connecting block, and the connecting block is slidably connected to the ruler claw. The connecting block is provided with a height reading window for reading the scale of the ruler claw. The horizontal rod body has openings at both ends for inserting the distance rod body. The horizontal rod body is rotatably connected to the distance rod body, and the openings are provided with distance reading windows for reading the scale of the distance rod body.

5. A composite measuring ruler for intercity EMU trains according to claim 4, characterized in that, The horizontal module also includes a limiting component, which includes a limiting pin, an elastic element, and a pin cap. The two ends of the elastic element are respectively connected to the limiting pin and the pin cap, and the pin cap is connected to the horizontal bar body.

6. The composite measuring ruler for intercity EMU trains according to claim 5, characterized in that, The distance rod body includes several limiting grooves, and the limiting pin is limited to the limiting grooves.

7. A composite measuring ruler for intercity EMU trains according to claim 6, characterized in that, The rotation angle between the horizontal bar body and the distance bar body is ±30°.

8. A composite measuring ruler for intercity EMU trains according to claim 2, characterized in that, The leveling module also includes a level, which is fixed to the upper end face of the leveling rod body.

9. A composite measuring ruler for intercity EMU trains according to claim 3, characterized in that, The horizontal bar body is also provided with a first indicator line, and the support base is provided with a second indicator line, with the first indicator line aligned with the second indicator line.

10. A composite measuring ruler for intercity EMU trains according to claim 2, characterized in that, The magnetic attraction component includes a balancing magnet and a vertical magnet. The balancing magnet is magnetically attracted to the surface of the rail, and the vertical magnet is magnetically attracted to the side of the rail.