Device for maintenance and measurement of motor train unit
By designing a measuring device for EMU maintenance, including a multi-function measuring ruler and clamping assembly, the problem of complex structure and lack of clamping assembly in the prior art is solved, and accurate measurement and efficient operation in EMU maintenance is achieved.
Patent Information
- Application Number
- CN202421973016.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-14
- Publication Date
- 2025-05-30
- Estimated Expiration
- 2034-08-14
AI Technical Summary
The existing high-speed rail EMU first-level repair multi-function measuring ruler has a complex structure design and is not designed with clamping components, which leads to low practicality and easy loss, which cannot meet the needs of EMU maintenance and measurement.
A device is designed including a measuring ruler and a clamping assembly, which has multiple measuring parts for measuring the height of different components. The clamping assembly is fixed by bending plates and bolts to ensure that the measuring ruler is not easily lost.
The device can easily and accurately measure the height of key components such as brake pads, carbon skateboards, troubleshooters, sand-spreading pipes in the EMU, improving the efficiency of maintenance operations and operation completeness.
Smart Images

Figure CN222926093U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of maintenance, and particularly relates to a device for measuring during the maintenance of EMUs. Background Art
[0002] During the daily maintenance operations of EMUs, when it comes to primary and secondary maintenance, it is necessary to measure the heights of brake pads, pantograph carbon blocks, fenders, sand pipes, etc. Since there is no professional measuring device set up at the maintenance site, during maintenance measurement, in order to avoid inconsistent measuring devices and measurement standards of maintenance personnel, and at the same time to improve the on-site operation efficiency and perfect the operation, it is necessary to design a special measuring device to measure the heights of key components such as brake pads, pantograph carbon blocks, fenders, sand pipes, etc.
[0003] The existing multi-functional measuring ruler for the primary maintenance of high-speed EMUs has a complex structural design, and the specific material and model of the multi-functional measuring ruler are not clearly defined. The complex structural design is not conducive to on-site use of high-speed EMUs, and its practicability is not high. Moreover, the existing multi-functional measuring ruler for the primary maintenance of high-speed EMUs is not designed with a clamping component and is easy to lose.
[0004] Therefore, a new technology is needed to solve the problem in the prior art that there is a lack of a device specifically for measuring during the maintenance of EMUs. Summary of the Utility Model
[0005] To solve the above problems in the prior art, the utility model provides a device specifically for measuring during the maintenance of EMUs, which can measure the heights of key components such as brake pads, pantograph carbon blocks, fenders, sand pipes, etc.
[0006] The utility model adopts the following technical solutions:
[0007] A device for measuring during the maintenance of EMUs includes a measuring ruler and a clamping component; the clamping component is arranged on the measuring ruler; the measuring ruler has a first measuring part, a second measuring part, and a third measuring part; the first measuring part is used for measuring the worn limit thickness of the brake pad; the second measuring part is used for measuring the worn limit thickness of the pantograph carbon block; the third measuring part is provided with scale lines and dimension readings, and the third measuring part is used for conventional dimension measurement.
[0008] Further, the measurable range of the scale lines of the third measuring part is from 0 mm to 90 mm.
[0009] Further, the third measuring part is used for measuring the height of the sand pipe or the height of the fender.
[0010] Further, the second measuring part is an "L"-shaped notch.
[0011] Further, there are seven dimension readings.
[0012] Furthermore, the scale lines include long scale lines, medium-long scale lines, and short scale lines; the long scale lines, the medium-long scale lines, and the short scale lines are arranged at a standard scale interval;
[0013] At the downward position of the first long scale line, the measuring ruler is provided with an identifier with a dimension reading of 3;
[0014] At the downward position of the second long scale line, the measuring ruler is provided with an identifier with a dimension reading of 4;
[0015] At the downward position of the third long scale line, the measuring ruler is provided with an identifier with a dimension reading of 5;
[0016] At the downward position of the fourth long scale line, the measuring ruler is provided with an identifier with a dimension reading of 6;
[0017] At the downward position of the fifth long scale line, the measuring ruler is provided with an identifier with a dimension reading of 7;
[0018] At the downward position of the sixth long scale line, the measuring ruler is provided with an identifier with a dimension reading of 8;
[0019] At the downward position of the seventh long scale line, the measuring ruler is provided with an identifier with a dimension reading of 9.
[0020] Furthermore, the clamping assembly includes a clamping member, and one end of the clamping member is fixed on the measuring ruler; through the clamping member, the measuring ruler can be clamped to an object.
[0021] Furthermore, the clamping member is a bent plate member; when viewed from the front side, the guiding end of the bent plate member is a "V"-shaped guiding end.
[0022] Furthermore, the clamping assembly further includes a fixing member, and one end of the clamping member is fixed on the measuring ruler through the fixing member.
[0023] Furthermore, the fixing member is a bolt or a screw.
[0024] Compared with the prior art, the beneficial effects of the present utility model are:
[0025] A device for maintenance measurement of EMUs of the present utility model includes a measuring ruler and a clamping assembly. The measuring ruler has a first measuring part, a second measuring part and a third measuring part. The first measuring part can measure the wear limit thickness of brake pads, the second measuring part can measure the wear limit thickness of carbon skateboards, and the third measuring part is provided with scale lines and dimension readings, which can measure conventional dimensions such as the height of the sanding pipe and the height of the obstacle arrester; the clamping assembly can facilitate people to carry (hold) the measuring ruler, and when the measuring ruler is carried, the clamping assembly plays a role in clamping and preventing it from falling. Brief Description of the Drawings
[0026] The following further describes the technology of the present utility model in detail with reference to the drawings and specific embodiments:
[0027] Figure 1 is a three-dimensional schematic diagram of a device for maintenance measurement of EMUs of the present utility model;
[0028] Figure 2 is a front view of a device for maintenance measurement of EMUs of the present utility model;
[0029] Figure 3 is Figure 2 the back view of
[0030] Figure 4 is Figure 2 the right side view of
[0031] Reference Signs:
[0032] 1 - Measuring ruler; 11 - First measuring part; A - Width; 12 - Second measuring part; B - Length; 13 - Third measuring part; C - Measurable range; D - Scale line; D1 - Long scale line; D2 - Medium-long scale line; D3 - Short scale line;
[0033] 2 - Clamping assembly; 21 - Clamping member; E - "V"-shaped guiding end. Specific Embodiments
[0034] The following will clearly and completely describe the concept, specific structure and technical effects generated by the present utility model in combination with the embodiments and the drawings, so as to fully understand the purpose, solution and effects of the present utility model. It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The same reference signs used in the drawings indicate the same or similar parts everywhere.
[0035] It should be noted that, unless otherwise specified, when a feature is referred to as "fixed" or "connected" to another feature, it can be directly fixed or connected to the other feature, or indirectly fixed or connected to the other feature. In addition, the descriptions such as up, down, left, and right used in the present utility model are only relative to the mutual positional relationship of the components of the present utility model in the drawings.
[0036] Referring to Figures 1 to 4 , a device for maintenance measurement of multiple unit trains includes a measuring ruler 1 and a clamping assembly 2; the clamping assembly 2 is arranged on the measuring ruler 1; the measuring ruler 1 has a first measuring part 11, a second measuring part 12, and a third measuring part 13; the first measuring part 11 is used to measure the worn limit thickness of brake pads; the second measuring part 12 is used to measure the worn limit thickness of carbon skids; the third measuring part 13 is provided with scale lines D and dimensional readings, and the third measuring part 13 is used for conventional dimensional measurement. Among them, the dimensional readings can facilitate people to directly read out the actual data of the height and length of the measured position.
[0037] Referring to Figures 1 to 4 , in one embodiment, the width A of the first measuring part 11 is the worn limit thickness of the brake pad. Align the first measuring part 11 horizontally with the brake pad grinding block. If the thickness of the grinding block aligns with the width A of the first measuring part 11, it can be directly judged that the brake pad has reached the worn limit.
[0038] Referring to Figures 1 to 4 , in one embodiment, the length B of the second measuring part 12 is the worn limit thickness of the carbon skid. Align the second measuring part 12 vertically with the carbon skid. If the lower surface of the carbon strip aligns with the lower surface of the second measuring part 12, it can be directly judged that the carbon skid has reached the worn limit.
[0039] Referring to Figures 1 to 4 , in one embodiment, the measurable range C of the scale lines D of the third measuring part 13 is from 0 mm to 90 mm.
[0040] Referring to Figures 1 to 4 , in one embodiment, the third measuring part 13 is used to measure the height of the sand-spreading pipe or the height of the obstacle-removing device.
[0041] Referring to Figures 1 to 4 , in one embodiment, the second measuring part 12 is an "L"-shaped notch.
[0042] Referring to Figures 1 to 4 , in one embodiment, the length of the "L"-shaped notch is 2.5 mm,
[0043] Referring to Figures 1 to 4 , in one embodiment, there are seven dimensional readings.
[0044] Refer to Figures 1 to 4 , in one embodiment, the scale line D includes a long scale line D1, a medium-long scale line D2, and a short scale line D3; the long scale line D1, the medium-long scale line D2, and the short scale line D3 are arranged at a standard scale interval;
[0045] At the downward position of the first long scale line D1, the measuring ruler 1 is provided with an identifier with a size reading of 3;
[0046] At the downward position of the second long scale line D1, the measuring ruler 1 is provided with an identifier with a size reading of 4;
[0047] At the downward position of the third long scale line D1, the measuring ruler 1 is provided with an identifier with a size reading of 5;
[0048] At the downward position of the fourth long scale line D1, the measuring ruler 1 is provided with an identifier with a size reading of 6;
[0049] At the downward position of the fifth long scale line D1, the measuring ruler 1 is provided with an identifier with a size reading of 7;
[0050] At the downward position of the sixth long scale line D1, the measuring ruler 1 is provided with an identifier with a size reading of 8;
[0051] At the downward position of the seventh long scale line D1, the measuring ruler 1 is provided with an identifier with a size reading of 9.
[0052] Refer to Figures 1 to 4 , in one embodiment, the clamping assembly 2 includes a clamping member 21, and one end of the clamping member 21 is fixed on the measuring ruler 1; through the clamping member 21, the measuring ruler 1 can be clamped to an object.
[0053] Refer to Figures 1 to 4 , in one embodiment, the clamping member 21 is a bent plate member; when viewed from the front side, the guiding end of the bent plate member is a "V"-shaped guiding end E.
[0054] Refer to Figures 1 to 4 , in one embodiment, the clamping assembly 2 further includes a fixing member, and one end of the clamping member 21 is fixed on the measuring ruler 1 through the fixing member.
[0055] In one embodiment, the fixing member is a bolt or a screw.
[0056] In one embodiment, the measuring ruler 1 is a metal measuring ruler; the clamping assembly 2 is a metal clamping assembly.
[0057] A device for maintenance measurement of EMUs can conveniently and accurately measure the heights of key components such as brake pads, carbon skid plates, fenders, and sand pipes during the first-level maintenance of EMUs, improving the efficiency of the first-level maintenance operation. The appearance of this utility model solves the problem that "during the first-level maintenance of EMUs, there is no professional measurement device at the maintenance site, resulting in inaccurate measurement operations and deviation in measurement results". The appearance of this utility model improves the on-site operation efficiency and perfects the operation.
[0058] For other contents of the device for maintenance measurement of EMUs described in this utility model, please refer to the prior art and will not be elaborated here.
[0059] The above are only the preferred embodiments of this utility model and do not impose any form of limitation on this utility model. Therefore, any modification, equivalent change, and modification made to the above embodiments based on the technical essence of this utility model without departing from the content of the technical solution of this utility model still fall within the scope of the technical solution of this utility model.
Claims
1. A device for EMU maintenance measurement, characterized in that: It comprises a measuring ruler and a clamping assembly; the clamping assembly is arranged on the measuring ruler; the measuring ruler has a first measuring part, a second measuring part and a third measuring part; the first measuring part is used to measure the wear of the brake pad to a limit thickness; the second measuring part is used to measure the wear of the carbon slide plate to a limit thickness; the third measuring part is provided with scale lines and dimension readings, and the third measuring part is used for dimension measurement.
2. The device for EMU maintenance and measurement according to claim 1, characterized in that: The measurable range of the scale line of the third measuring part is 0 mm to 90 mm.
3. The device for EMU maintenance and measurement according to claim 2 is characterized in that: The third measuring position is used to measure the height of the sand spreading pipe or the height of the obstacle remover.
4. The device for EMU maintenance and measurement according to claim 1, characterized in that: The second measuring part is an "L"-shaped notch.
5. The device for EMU maintenance and measurement according to claim 2, characterized in that: The dimension readings are provided at seven locations.
6. The device for EMU maintenance and measurement according to claim 5, characterized in that: The scale lines include long scale lines, medium-long scale lines and short scale lines; the long scale lines, the medium-long scale lines and the short scale lines are arranged according to the standard scale spacing; At the lower position of the first long scale line, the measuring ruler is provided with a mark indicating a size reading of 3; At the lower position of the second long scale line, the measuring ruler is provided with a mark indicating a size reading of 4; At the lower position of the third long scale line, the measuring ruler is provided with a mark indicating a size reading of 5; At the lower position of the fourth long scale line, the measuring ruler is provided with a mark indicating a size reading of 6; At the lower position of the fifth long scale line, the measuring ruler is provided with a mark indicating a size reading of 7; At the lower position of the sixth long scale line, the measuring ruler is provided with a mark indicating a size reading of 8; At the lower position of the seventh long scale line, the measuring ruler is provided with a mark indicating a size reading of 9.
7. The device for EMU maintenance and measurement according to any one of claims 1 to 6, characterized in that: The clamping assembly comprises a clamping member, one end of which is fixed on the measuring ruler; the measuring ruler can be clamped on an object through the clamping member.
8. The device for EMU maintenance and measurement according to claim 7, characterized in that: The clamping member is a bent plate member; viewed from the front side, the guide end of the bent plate member is a "V"-shaped guide end.
9. The device for EMU maintenance and measurement according to claim 7, characterized in that: The clamping assembly also includes a fixing member, and one end of the clamping member is fixed to the measuring ruler through the fixing member.
10. The device for EMU maintenance and measurement according to claim 9, characterized in that: The fixing member is a bolt or a screw.