Railway rolling stock wheel pair inner distance ruler
By designing an inner distance ruler of the railway rolling stock wheel pair including a ruler, a fixed end limit plate, a probe, a value-sensitive sleeve, a movable measuring rod and a measurement end limit plate, the problems of low measurement efficiency and easy misreading in the prior art are solved, and efficient and accurate inner distance measurement is achieved.
Patent Information
- Application Number
- CN202421489239.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-27
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-06-27
AI Technical Summary
The measurement efficiency of the inner diameter of the wheel-to-side scale of the existing railway rolling stock is low, and the measuring staff needs to repeatedly confirm the minimum reading, which is easy to misread and takes a long time.
A railroad rolling stock wheel pair inner ruler including a ruler, a fixed end limit plate, a probe, a value-sensitive sleeve, a movable measuring rod and a measurement end limit plate is designed. Through the cooperation of the spring and the static friction fixing plate, the automatic alignment and fixation of the movable measuring rod is realized, and the direct reading is only possible.
It reduces the time for the measuring staff to confirm the minimum reading, reduces random errors, accurate measurement data, greatly improves measurement efficiency, and reduces the experience requirements for users.
Smart Images
Figure CN222951636U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of railway locomotives, in particular to an inner distance ruler of a railway locomotive vehicle wheel pair. Background Art
[0002] The wheelset of railway locomotives and vehicles is loaded with heavy loads and connected to rails, and is affected by various external forces. The inspection of the various dimensions of the wheelset is an important task for the railway train inspection department. The railway technical management regulations have strict regulations on the dimensions of each part of the wheelset. Once exceeded, it will directly affect the structural strength and positioning ability, threaten driving safety, and even cause serious accidents such as derailment and overturning.
[0003] At present, the vehicle maintenance department's detection method is to check the measuring tools manually when the train is stopped. However, when measuring with existing measuring tools, the measuring personnel are required to repeatedly confirm the minimum reading of the inner distance scale, which is time-consuming, has low measurement efficiency, and is prone to misreading. Utility Model Content
[0004] The utility model aims to solve the shortcomings in the prior art and proposes an inner distance ruler for wheelsets of railway locomotives and vehicles.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a railway locomotive vehicle wheel set inner distance ruler, including a ruler body, a fixed end limit plate, a probe, an indicating mark sleeve, a movable measuring rod and a measuring end limit plate, one end of the ruler body is provided with a groove, the fixed end limit plate is fixed to one end of the ruler body by a screw, the probe is installed in the groove, the other end of the ruler body is provided with a thread, the indicating mark sleeve is installed on the other end of the ruler body by a threaded connection, a guide rod is provided in the indicating mark sleeve, and the movable measuring rod is slidably installed in the indicating mark sleeve , a sliding groove is provided on the movable measuring rod, and the sliding groove slides on the guide rod. A spring 1 is installed between the movable measuring rod and the other end of the ruler body. One end of the spring 1 is connected to the movable measuring rod, and the other end of the spring 1 contacts with the other end of the ruler body. A visual window and an installation groove are provided on the indicating sleeve. A static friction fixing plate is engaged in the installation groove, and a pressing handle is hinged on the static friction fixing plate. A spring 2 is provided between the pressing handle and the static friction fixing plate. The measuring end limit plate is fixed to the end of the indicating sleeve away from the ruler body through a screw.
[0006] As a further description of the above technical solution:
[0007] The measuring end limit plate is the same as the fixed end limit plate.
[0008] As a further description of the above technical solution:
[0009] The visual window is provided with scale lines.
[0010] As a further description of the above technical solution:
[0011] A reference line is provided on the movable measuring rod.
[0012] The utility model has the following beneficial effects:
[0013] When the utility model is used to measure the inner distance of a wheelset, the surveyor does not need to repeatedly confirm the minimum reading of the inner distance ruler, but can directly read the reading, thereby saving the surveyor's time of repeatedly confirming the minimum reading, reducing random errors, measuring data accurately, greatly improving measuring efficiency, and reducing the experience requirements for users. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of the overall structure of an inner distance gauge of a railway locomotive wheel set according to the present invention;
[0015] Figure 2 for Figure 1 A magnified view of part A;
[0016] Figure 3 A schematic diagram of the internal structure of an inner distance gauge of a railway locomotive wheel set of the present invention;
[0017] Figure 4 This is a schematic diagram of the fixed end limit plate structure of the inner distance scale of a railway locomotive wheel set;
[0018] Figure 5 A schematic diagram of the structure of a railway locomotive wheel set inner distance gauge indicator sleeve Figure 1 ;
[0019] Figure 6 A schematic diagram of the structure of a railway locomotive wheel set inner distance gauge indicator sleeve Figure 2 ;
[0020] Figure 7 A schematic diagram of a movable measuring rod structure for the inner distance gauge of a railway locomotive wheel set Figure 1 ;
[0021] Figure 8 A schematic diagram of a movable measuring rod structure for the inner distance gauge of a railway locomotive wheel set Figure 2 ;
[0022] Fig. 9 This is a schematic diagram of the connection between the measuring head and the ruler body of a railway locomotive wheel set inner distance ruler of the present invention;
[0023] Fig.10 The utility model discloses a schematic diagram of the connection between a static friction fixing plate and a pressing handle of an inner distance ruler of a wheelset of a railway locomotive vehicle.
[0024] Legend:
[0025] 1. Ruler body; 2. Fixed end limit plate; 3. Probe; 4. Indicator sleeve; 5. Movable measuring rod; 6. Measuring end limit plate; 7. Guide rod; 8. Spring 1; 9. Visual window; 10. Mounting slot; 11. Static friction fixing plate; 12. Press handle; 13. Spring 2; 14. Scale line; 15. Reference line. DETAILED DESCRIPTION
[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0027] Reference Figures 1 to 10 As shown, the utility model provides a railway locomotive vehicle wheel set inner distance ruler, including a ruler body 1, a fixed end limit plate 2, a probe 3, an indicating mark sleeve 4, a movable measuring rod 5 and a measuring end limit plate 6, the fixed end limit plate 2 is fixed to one end of the ruler body 1 by a screw, one end of the ruler body 1 is provided with a groove, the probe 3 is installed in the groove, the other end of the ruler body 1 is provided with a thread, the indicating mark sleeve 4 is installed on the other end of the ruler body 1 by threaded connection, a guide rod 7 is provided in the indicating mark sleeve 4, the movable measuring rod 5 is slidably installed in the indicating mark sleeve 4, and the movable measuring rod 5 is provided with a slide groove The slide groove is slidably connected to the guide rod 7, a spring 8 is installed between the movable measuring rod 5 and the other end of the ruler body 1, one end of the spring 8 is connected to the movable measuring rod 5, and the other end of the spring 8 contacts the other end of the ruler body 1, a visual window 9 and a mounting groove 10 are provided on the indicating standard sleeve 4, a static friction fixing plate 11 is engaged in the mounting groove 10, a pressing handle 12 is hingedly provided on the static friction fixing plate 11, and a spring 13 is provided between the pressing handle 12 and the static friction fixing plate 11, and the measuring end limit plate 6 is fixed to the end of the indicating standard sleeve 4 away from the ruler body 1 by a screw.
[0028] The measuring end limit plate 6 is the same as the fixed end limit plate 2 .
[0029] The visual window 9 is provided with scale marks 14 .
[0030] The movable measuring rod 5 has a reference line 15 .
[0031] Steps:
[0032] When measuring the distance on the inner side of the wheel of a railway locomotive vehicle, the fixed end limit plate 2 and the measuring end limit plate 6 are placed on the inner side of the wheel of the railway locomotive vehicle of the vehicle in need, and the measuring head 3 is lowered on the inner side of the wheel. The movable measuring rod 5 is lowered on the inner side of the wheel on the other side under the elastic force of the spring 2 13, and the measuring end limit plate 6 is rotated. The measuring end limit plate 6 drives the indicating sleeve 4 to rotate. The indicating sleeve 4 rotates so that the spring 1 8 is extended or contracted, thereby adjusting the corresponding relationship between the reference line 15 and the scale line 14 on the movable measuring rod. After the adjustment is completed, the pressing handle 12 is pressed to drive The static friction fixing plate 11 is moved to fix the adjusted indicating sleeve 4, and the reference line 15 on the movable measuring rod 5 and the corresponding scale line 14 can be observed through the visual window 9 of the indicating sleeve 4. The scale here is the reading of the inner distance of the railway locomotive wheel. When the utility model is used to measure the inner distance of the wheel pair, it is not necessary for the surveyor to repeatedly confirm the minimum reading of the inner distance ruler, and the reading can be directly read, which saves the time of the surveyor to repeatedly confirm the minimum reading, reduces random errors, measures data accurately, greatly improves the measurement efficiency, and reduces the experience requirements for users.
[0033] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A railway locomotive wheel set inner gauge, comprising a gauge body (1), a fixed end stop plate (2), a probe (3), an indicating sleeve (4), a movable measuring rod (5) and a measuring end stop plate (6), characterized in that: One end of the ruler body (1) is provided with a groove, the fixed end limit plate (2) is fixed to one end of the ruler body (1) by a screw rod, the measuring head (3) is installed in the groove, the other end of the ruler body (1) is provided with a thread, the value indicating sleeve (4) is installed on the other end of the ruler body (1) by a threaded connection, a guide rod (7) is provided in the value indicating sleeve (4), the movable measuring rod (5) is slidably installed in the value indicating sleeve (4), the movable measuring rod (5) is provided with a slide groove, the slide groove slides on the guide rod (7), and a spring is installed between the movable measuring rod (5) and the other end of the ruler body (1) One (8), one end of the spring one (8) is connected to the movable measuring rod (5), the other end of the spring one (8) is in contact with the other end of the ruler body (1), the indicating sleeve (4) is provided with a visual window (9) and a mounting groove (10), a static friction fixing plate (11) is engaged in the mounting groove (10), a pressing handle (12) is hingedly provided on the static friction fixing plate (11), a spring two (13) is provided between the pressing handle (12) and the static friction fixing plate (11), and the measuring end limit plate (6) is fixed to the end of the indicating sleeve (4) away from the ruler body (1) by a screw.
2. The inner distance gauge of a railway locomotive wheel set according to claim 1, characterized in that: The measuring end limit plate (6) is the same as the fixed end limit plate (2).
3. The inner distance gauge of a railway locomotive wheel set according to claim 1, characterized in that: The visual window (9) is provided with scale lines (14).
4. The inner distance gauge of a railway locomotive wheel set according to claim 1, characterized in that: The movable measuring rod (5) is provided with a reference line (15).