Multifunctional measuring device for measuring dimensions of key parts of motor train unit
By designing a multifunctional measuring device for key components of the EMU, the problem of lack of applicability and accuracy in the prior art is solved, and rapid and accurate dimensional measurement in dark light environments are achieved, and operating efficiency and quality are improved.
Patent Information
- Application Number
- CN202421853384.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-01
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-08-01
AI Technical Summary
The prior art lacks a multifunctional measuring device for measuring the size of key components of the EMU, which causes operators to easily experience reading errors in dark light environments when working at night, and the angle problem of the existing scale in a specific working space cannot effectively and accurately measure data, resulting in low operating quality.
A multi-functional measuring device is designed, including several measuring rulers, rotating shafts, limit adjustment parts and limit stops. Through the adjustment of the limit adjustment parts, a single measuring ruler or a combination of two measuring rulers can be flexibly used for measurement, and a positioning scale line is provided at the end of the measuring ruler, which is suitable for verification in dark light environments.
The device can quickly and accurately perform standard comparisons in dark light environments, judge component status, ensure measurement accuracy, and flexibly adapt to the dimensional measurement requirements of multiple key components of the EMU, improving operating efficiency and quality.
Smart Images
Figure CN222912551U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of measuring devices, and particularly relates to a multifunctional measuring device for measuring the dimensions of key components of EMUs. Background Art
[0002] When the service mileage and operation period of key components of EMUs reach the limit, it is necessary to measure the thickness of brake pads, carbon skids, and abrasives, the distances between the auxiliary obstacle eliminator, the obstacle eliminator, the center pin of the traction rod and the lateral stop, the clearances between the abrasives and the tread surface, the automatic neutral section passing antenna and the rail, and the height of the sanding pipe, etc., to ensure that the states of all components are in the best working condition.
[0003] During the actual maintenance process, due to factors such as a large number of components involved and limited measurement space, the following problems will occur when using a 150 - millimeter measuring scale for measurement: ① Maintenance operations are mostly carried out at night, and the relatively dark working environment will lead to poor visibility and potential risks of reading errors; ② During the operation, it is necessary to take readings and then check the data, resulting in low operation efficiency; ③ For the measurement of the dimensions of a specific operation space, due to angle problems, the 150 - mm measuring scale cannot effectively and accurately measure the data, resulting in low operation quality.
[0004] Currently, there is a lack of a multifunctional measuring device for measuring the dimensions of key components of EMUs to facilitate operators to quickly and accurately perform standard comparisons, judge the component states, and ensure the accuracy of measurements.
[0005] Therefore, a new technology is needed to solve the problem that there is a lack of a multifunctional measuring device for measuring the dimensions of key components of EMUs in the prior art. Summary of the Utility Model
[0006] To solve the above problems in the prior art, the utility model provides a multifunctional measuring device for measuring the dimensions of key components of EMUs, which can facilitate operators to quickly and accurately perform standard comparisons, judge the component states, and ensure the accuracy of measurements.
[0007] The utility model adopts the following technical solutions:
[0008] A multifunctional measuring device for measuring the dimensions of key components of EMUs includes a plurality of measuring scales, a rotating shaft, a limit adjusting member, and an ultimate stop member; the plurality of measuring scales are strung in the rotating shaft; the ultimate stop members are provided at the first end and the second end of the rotating shaft; the limit adjusting member is adjustably provided in the rotating shaft for timely loosening or tightening the limit on the plurality of measuring scales.
[0009] Further, the rotating shaft is a threaded rotating shaft; each measuring scale has a string hole; through the string hole, the measuring scale is sleeved on the threaded rotating shaft.
[0010] Further, the position-limiting and adjusting member is a rotating disk; the rotating disk has a threaded hole; through the threaded hole, the rotating disk is threadedly connected to the threaded rotating shaft, and the rotating disk is located at the lowermost position of several of the measuring rulers.
[0011] Further, a layer of rubber protective sleeve is wrapped around the outer surface of the position-limiting and adjusting member.
[0012] Further, there are five of the measuring rulers;
[0013] The five measuring rulers are respectively strung on the rotating shaft, and from top to bottom, they are the first measuring ruler, the second measuring ruler, the third measuring ruler, the fourth measuring ruler, and the fifth measuring ruler;
[0014] The position-limiting and adjusting member is located below the fifth measuring ruler.
[0015] Further, the thicknesses of several of the measuring rulers are different, but the lengths and widths are the same.
[0016] Further, the thickness of the first measuring ruler is 15 mm; the thickness of the second measuring ruler is 8 mm; the thickness of the third measuring ruler is 20 mm; the thickness of the fourth measuring ruler is 5 mm; the thickness of the fifth measuring ruler is 13 mm.
[0017] Further, the first measuring ruler is provided with a positioning scale line. Based on the end of the first measuring ruler, the distance from this positioning scale line to the reference is 5 mm;
[0018] The second measuring ruler is provided with a positioning scale line. Based on the end of the second measuring ruler, the distance from this positioning scale line to the reference is 13 mm;
[0019] The third measuring ruler is provided with two positioning scale lines. Based on the end of the third measuring ruler, the distance from the first positioning scale line to the reference is 20 mm, and the distance from the second positioning scale line to the reference is 22 mm;
[0020] The fourth measuring ruler is provided with two positioning scale lines. Based on the end of the fourth measuring ruler, the distance from the first positioning scale line to the reference is 40 mm, and the distance from the second positioning scale line to the reference is 60 mm;
[0021] The fifth measuring ruler is provided with two positioning scale lines. Based on the end of the fifth measuring ruler, the distance from the first positioning scale line to the reference is 115 mm, and the distance from the second positioning scale line to the reference is 120 mm;
[0022] The ends of the first measuring ruler, the second measuring ruler, the third measuring ruler, the fourth measuring ruler, and the fifth measuring ruler are flush, and the references are flush.
[0023] Further, the positioning scale lines are one or more of red positioning scale lines, yellow positioning scale lines, and green positioning scale lines.
[0024] Further, luminous powder is provided on all the positioning scale lines.
[0025] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0026] A multifunctional measuring device for measuring the dimensions of key components of a multiple unit train can be adjusted to obtain a single measuring ruler or two measuring rulers stacked together through a limit adjusting member. People can flexibly use the thickness of a single measuring ruler or the combination of the thicknesses of two measuring rulers for measurement and comparison, and can also flexibly use the positioning scale lines of the measuring ruler for dimension verification. The present utility model enriches the measuring methods of the measuring device, enabling the present utility model to easily face the dimension measurement of multiple key components of a multiple unit train; the present utility model can facilitate operators to quickly and accurately perform standard comparison, judge the component state, and ensure the accuracy of measurement. BRIEF DESCRIPTION OF THE DRAWINGS
[0027] The technical solution of the present utility model will be further described in detail below with reference to the drawings and specific embodiments:
[0028] Figure 1 is the elevation view of the multifunctional measuring device of the present utility model (several measuring rulers are not circumferentially rotated and unfolded around the threaded rotating shaft);
[0029] Figure 2 is Figure 1 the top view of
[0030] Figure 3 is Figure 1 the isometric view of
[0031] Figure 4 is Figure 3 the schematic diagram of several measuring rulers circumferentially rotated and unfolded around the threaded rotating shaft;
[0032] Figure 5 is Figure 4 the top view after several measuring rulers are circumferentially rotated and unfolded around the threaded rotating shaft.
[0033] Reference Signs:
[0034] 1 - Measuring Ruler;
[0035] 11 - First Measuring Ruler; 111 - Positioning Scale Line;
[0036] 12 - Second Measuring Ruler; 121 - Positioning Scale Line;
[0037] 13 - Third measuring ruler; 131 - Positioning scale line; 132 - Positioning scale line;
[0038] 14 - Fourth measuring ruler; 141 - Positioning scale line; 142 - Positioning scale line;
[0039] 15 - Fifth measuring ruler; 151 - Positioning scale line; 152 - Positioning scale line;
[0040] T - Thickness; L - (Effective) length; W - (Effective) width; M - End;
[0041] 2 - Threaded rotating shaft;
[0042] 3 - Limit adjusting part;
[0043] 4 - Extreme stop part. Detailed implementation manners
[0044] The concept, specific structure and technical effects of the present utility model will be clearly and completely described below in combination with embodiments and 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 numerals used in the drawings indicate the same or similar parts everywhere.
[0045] It should be noted that, unless otherwise specified, when a certain 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 up, down, left, right, etc. descriptions 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.
[0046] Refer to Figures 1 to 5 , a multi-functional measuring device for measuring the dimensions of key components of a bullet train, including several measuring rulers 1, a rotating shaft, a limit adjusting part 3 and an extreme stop part 4; several of the measuring rulers 1 are strung in the rotating shaft; the first end and the second end of the rotating shaft are provided with the extreme stop part 4, and the extreme stop part 4 is used to prevent the measuring ruler 1 and the limit adjusting part 3 from slipping out of the rotating shaft; the limit adjusting part 3 is adjustably arranged in the rotating shaft and is used to timely loosen or tighten the limit on several of the measuring rulers 1.
[0047] Refer to Figures 1 to 5 , in an embodiment, the rotating shaft is a threaded rotating shaft 2; each of the measuring rulers 1 has a string hole; through the string hole, the measuring ruler 1 is sleeved on the threaded rotating shaft 2. Wherein, the diameter of the string hole is larger than the shaft diameter of the threaded rotating shaft 2.
[0048] Refer to Figures 1 to 5, in one embodiment, the limit adjusting member 3 is a rotating disk; the rotating disk has a threaded hole; through the threaded hole, the rotating disk is threadedly connected to the threaded rotating shaft 2, and the rotating disk is located at the lowermost position of several of the measuring rulers 1. The rotating disk can be adjusted up or down on the shaft body of the threaded rotating shaft 2 to achieve clamping or loosening of the measuring ruler 1. By operating the rotating disk, the switching of the working state of the measuring ruler 1 can be realized to adapt to the measurement requirements in a specific space.
[0049] In one embodiment, the outer surface of the limit adjusting member 3 is wrapped with a layer of rubber protective sleeve to play an anti-slip role.
[0050] In one embodiment, the limit stop member 4 is welded to the end of the threaded rotating shaft 3.
[0051] Refer to Figures 1 to 5 , in one embodiment, there are five of the measuring rulers 1;
[0052] The five measuring rulers 1 are respectively strung on the rotating shaft. From top to bottom, they are the first measuring ruler 11, the second measuring ruler 12, the third measuring ruler 13, the fourth measuring ruler 14, and the fifth measuring ruler 15;
[0053] The limit adjusting member 3 is located below the fifth measuring ruler 15.
[0054] Refer to Figures 1 to 5 , in one embodiment, the thicknesses T of several of the measuring rulers 1 are different, but the (effective) lengths L and (effective) widths W are the same. The present utility model can use the thickness T of the measuring ruler 1 to measure whether the clearance of key components in an irregular space meets the clearance requirements (the measurement method is similar to a "feeler" gauge).
[0055] Refer to Figures 1 to 5 , in one embodiment, the thickness of the first measuring ruler 11 is 15 mm; the thickness of the second measuring ruler 12 is 8 mm; the thickness of the third measuring ruler 13 is 20 mm; the thickness of the fourth measuring ruler 14 is 5 mm; the thickness of the fifth measuring ruler 15 is 13 mm. Among them, the thickness of the first measuring ruler 11 can be used to measure the "distance between the lapping tool and the tread surface" of a 15 mm clearance. When the first measuring ruler 11 and the second measuring ruler 12 are stacked together, the thickness can be used to measure the "distance between the lapping tool and the tread surface" of a 23 mm clearance; the thickness of the third measuring ruler 13 can be used to measure the "distance between the obstacle eliminator" of a 20 mm clearance. When the second measuring ruler 12 and the third measuring ruler 13 are stacked together, the thickness can be used to measure the "distance between the obstacle eliminator" of a 28 mm clearance; the thickness of the fourth measuring ruler 14 can be used to measure the "thickness of the brake pad" of 5 mm; the thickness of the fifth measuring ruler 15 can be used to measure the "distance between the auxiliary obstacle eliminator" of a 13 mm clearance.
[0056] Refer toFigures 1 to 5 , in one embodiment, the first measuring ruler 11 is provided with a positioning scale line 111. Taking the end of the first measuring ruler 11 as a reference, the distance from this positioning scale line 111 to the reference is 5 mm; the positioning scale line 111 of the first measuring ruler 11 can be used to measure the "thickness of brake pads and carbon skids".
[0057] The second measuring ruler 12 is provided with a positioning scale line 121. Taking the end of the second measuring ruler 12 as a reference, the distance from this positioning scale line 121 to the reference is 13 mm; the positioning scale line 121 of the second measuring ruler 12 can be used to measure the "thickness of the lapping tool".
[0058] The third measuring ruler 13 is provided with two positioning scale lines. Taking the end of the third measuring ruler 13 as a reference, the distance from the first positioning scale line 131 to the reference is 20 mm, and the distance from the second positioning scale line 132 to the reference is 22 mm; the first positioning scale line 131 and the second positioning scale line 132 of the third measuring ruler 13 can be used to measure the "gap between the traction center pin and the lateral stop".
[0059] The fourth measuring ruler 14 is provided with two positioning scale lines. Taking the end of the fourth measuring ruler 14 as a reference, the distance from the first positioning scale line 141 to the reference is 40 mm, and the distance from the second positioning scale line 142 to the reference is 60 mm; the first positioning scale line 141 and the second positioning scale line 142 of the fourth measuring ruler 14 can be used to measure the "height of the sand spreading pipe".
[0060] The fifth measuring ruler 15 is provided with two positioning scale lines. Taking the end of the fifth measuring ruler 15 as a reference, the distance from the first positioning scale line 151 to the reference is 115 mm, and the distance from the second positioning scale line 152 to the reference is 120 mm; the first positioning scale line 151 and the second positioning scale line 152 of the fifth measuring ruler 15 can be used to measure the "height of the automatic neutral section passing antenna".
[0061] The ends M of the first measuring ruler 11, the second measuring ruler 12, the third measuring ruler 13, the fourth measuring ruler 14, and the fifth measuring ruler 15 are flush, and the references are flush.
[0062] Refer to Figure 2 , in one embodiment, several of the measuring rulers 1 are stainless steel measuring rulers with an effective length L of 130 mm and an effective width W of 10 mm.
[0063] In one embodiment, the positioning scale line is one or more of a red positioning scale line, a yellow positioning scale line, and a green positioning scale line.
[0064] In this embodiment, the positioning scale lines are all red positioning scale lines.
[0065] In one embodiment, the positioning scale lines are all provided with luminous powder, which can facilitate the operators to judge the component state in a low-light environment and ensure that the operators can quickly compare and measure in a low-light environment.
[0066] Under normal working conditions, the operator selects the corresponding measuring ruler according to the EMU components to be measured, and flexibly uses the thickness of a single measuring ruler or the combined thickness of two measuring rulers for measurement and comparison, and flexibly uses the positioning scale lines for dimension verification.
[0067] The utility model can be applied to the maintenance of key components of CRH6F type EMUs.
[0068] For other contents of the multifunctional measuring device for measuring the dimensions of key components of EMUs described in the utility model, reference can be made to the prior art and will not be elaborated here.
[0069] The above are only the preferred embodiments of the utility model, and do not impose any form of limitation on the utility model. Therefore, any modification, equivalent change and modification made to the above embodiments according to the technical essence of the utility model without departing from the content of the technical solution of the utility model still fall within the scope of the technical solution of the utility model.
Claims
1. A multifunctional measuring device for measuring the dimensions of key components of EMU, characterized in that: It comprises a plurality of measuring rulers, a rotating shaft, a limit adjustment member and an extreme stop member; the plurality of measuring rulers are arranged in series in the rotating shaft; the extreme stop member is arranged at the first end and the second end of the rotating shaft; the limit adjustment member is adjustably arranged in the rotating shaft and is used for timely loosening or tightening the limit of the plurality of measuring rulers.
2. The multifunctional measuring device for measuring the dimensions of key components of a train set according to claim 1, characterized in that: The rotating shaft is a threaded rotating shaft; each of the measuring rulers has a string hole; the measuring ruler is sleeved in the threaded rotating shaft through the string hole.
3. The multifunctional measuring device for measuring the dimensions of key components of a train set according to claim 2, characterized in that: The limit adjustment member is a rotating disk; the rotating disk has a threaded hole; the rotating disk is threadedly connected to the threaded shaft through the threaded hole, and the rotating disk is located at the lowest position of the plurality of measuring rulers.
4. The multifunctional measuring device for measuring the dimensions of key components of a train set according to claim 1, characterized in that: The outer surface of the limit adjustment member is wrapped with a rubber protective sleeve.
5. The multifunctional measuring device for measuring the dimensions of key components of a train set according to any one of claims 1 to 4, characterized in that: Some of the measuring rulers are provided with five strips; The five measuring rulers are respectively arranged on the rotating shaft, from top to bottom, namely, a first measuring ruler, a second measuring ruler, a third measuring ruler, a fourth measuring ruler and a fifth measuring ruler; The limit adjustment member is located below the fifth measuring ruler.
6. The multifunctional measuring device for measuring the dimensions of key components of a train set according to claim 1, characterized in that: Several of the measuring tapes have different thicknesses but the same length and width.
7. The multifunctional measuring device for measuring the dimensions of key components of a train set according to claim 5, characterized in that: The thickness of the first measuring ruler is 15 mm; the thickness of the second measuring ruler is 8 mm; the thickness of the third measuring ruler is 20 mm; the thickness of the fourth measuring ruler is 5 mm; and the thickness of the fifth measuring ruler is 13 mm.
8. The multifunctional measuring device for measuring the dimensions of key components of a train set according to claim 5, characterized in that: The first measuring ruler is provided with a positioning scale line, with the end of the first measuring ruler as the reference, and the distance from the positioning scale line to the reference is 5 mm; The second measuring ruler is provided with a positioning scale line, with the end of the second measuring ruler as the reference, and the distance from the positioning scale line to the reference is 13 mm; The third measuring ruler is provided with two positioning scale lines, with the end of the third measuring ruler as the reference, the distance from the first positioning scale line to the reference is 20 mm, and the distance from the second positioning scale line to the reference is 22 mm; The fourth measuring ruler is provided with two positioning scale lines, with the end of the fourth measuring ruler as the reference, the distance from the first positioning scale line to the reference is 40 mm, and the distance from the second positioning scale line to the reference is 60 mm; The fifth measuring ruler is provided with two positioning scale lines, with the end of the fifth measuring ruler as the reference, the distance from the first positioning scale line to the reference is 115 mm, and the distance from the second positioning scale line to the reference is 120 mm; The first measuring ruler, the second measuring ruler, the third measuring ruler, the fourth measuring ruler and the fifth measuring ruler have ends aligned and bases aligned.
9. The multifunctional measuring device for measuring the dimensions of key components of a train set according to claim 8, characterized in that: The positioning scale line is one or more of a red positioning scale line, a yellow positioning scale line, and a green positioning scale line.
10. The multifunctional measuring device for measuring the dimensions of key components of a train set according to claim 8, characterized in that: The positioning scale lines are all provided with luminous powder.