Rail transit vehicle weld measuring device

Abstract

The utility model relates to rail transit vehicle measurement technical field, and disclose a kind of rail transit vehicle weld measuring device, including substrate and support seat, the support seat is fixedly connected in the bottom of substrate, the inner wall of substrate is equipped with strip-shaped mouth, the inner wall sliding of substrate located strip-shaped mouth is equipped with sliding block, the sidewall of sliding block is fixedly connected with ranging clamp rod, the inner wall of substrate is equipped with sliding hole.The utility model provides that the ranging clamp rod is driven sliding block to slide along the inner wall of strip-shaped mouth, the wear-resistant metal pad block of ranging clamp rod bottom can be clamped and set on the both sides of weld, the position on the first scale line of observation indicating mark can be observed, the width of weld can be measured and handled, and when ranging clamp rod measures, the bottom of pressing rod can be tightly set on the top end of weld, the thickness of weld can be observed by the second scale line on the pressing rod wall, the quality of weld can be measured and detected.

Description

Technical Field

[0001] This utility model relates to the field of rail transit vehicle measurement technology, and in particular to a rail transit vehicle weld measurement device. Background Technology

[0002] Rail transit vehicles are the core vehicles of urban public transportation systems. Their design integrates technologies from multiple fields such as mechanics, electrical engineering, and materials, aiming to achieve safe, efficient, and environmentally friendly transportation of people.

[0003] In the existing technology, during the production and processing of rail transit vehicles, some joints need to be welded. After welding, in order to check the quality of the welding, the weld seam needs to be measured. However, the weld seam positions are different for different workpieces, and the measuring device is difficult to adapt to different weld seams for accurate measurement. Utility Model Content

[0004] The purpose of this invention is to solve the problem in the existing technology that during the production and processing of rail transit vehicles, some joints need to be welded. After welding, in order to check the quality of the welding, it is necessary to measure the weld seam. However, the weld seam positions of different workpieces are different, and the measuring device is difficult to adapt to different weld seams for accurate measurement. Therefore, this invention proposes a rail transit vehicle weld seam measuring device.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A weld seam measuring device for rail transit vehicles includes a base plate and a support base. The support base is fixedly connected to the bottom of the base plate. A strip-shaped opening is formed on the inner wall of the base plate. A slider is slidably mounted on the inner wall of the strip-shaped opening on the base plate. A distance measuring clamp is fixedly connected to the side wall of the slider. A sliding hole is formed on the inner wall of the base plate. A pressure rod is slidably mounted on the inner wall of the sliding hole on the base plate. A first scale line is provided on the side wall of the strip-shaped opening on the base plate. A second scale line is provided on the wall of the pressure rod. An arc-shaped notch is formed on the inner wall of the base plate at a corner. A fixing ring is fixedly connected to the side wall of the arc-shaped notch on the base plate. A top rod is slidably mounted on the inner wall of the fixing ring.

[0007] Preferably, a rubber pad is fixedly connected to the inner wall of the strip-shaped opening of the substrate, and the side wall of the slider is fitted onto the side wall of the rubber pad.

[0008] Preferably, the measuring rod has an indicator on its wall, and the indicator is aligned with the first scale line.

[0009] Preferably, a sliding plate is fixedly sleeved on the rod wall of the top rod, the sliding plate is slidably mounted on the side wall of the base plate, and a spring is sleeved on the rod wall of the top rod, one end of the spring is fixedly connected to the sliding plate, and the other end of the spring is fixedly connected to the side wall of the fixing ring.

[0010] Preferably, a pointer is fixedly connected to the side wall of the slide plate, and a third scale line is provided on the side wall of the base plate located on the top rod. The pointer is slidably disposed on the side wall of the base plate located on the third scale line.

[0011] Preferably, a wear-resistant metal pad is fixedly connected to the bottom side wall of the ranging clamp.

[0012] Compared with the prior art, this utility model provides a weld seam measuring device for rail transit vehicles, which has the following advantages:

[0013] 1. This rail transit vehicle weld seam measuring device, by moving the measuring rod to drive the slider to slide along the inner wall of the strip opening, can clamp the wear-resistant metal pad at the bottom of the measuring rod to both sides of the weld seam. The position of the indicator on the first scale line can be observed, and the width of the weld seam can be measured. When the measuring rod is measuring, the bottom of the pressure rod will press against the top of the weld seam, and the thickness of the weld seam can be observed by looking at the second scale line on the pressure rod wall, and the quality of the weld seam can be measured and inspected.

[0014] 2. This rail transit vehicle weld seam measuring device, by pressing and fitting the base plate against the side wall of the arc-shaped notch at the corner, and by sliding the top rod along the side wall of the fixing ring to press and fit the weld seam, can measure and process the welding condition of the weld seam at the corner.

[0015] 3. This rail transit vehicle weld seam measuring device uses a spring to push a sliding plate along the side wall of the base plate, which can tighten the top rod against the weld seam and improve the stability of the top rod's movement. When the sliding plate moves, it can push the pointer along the third scale line, allowing for direct and accurate observation of data. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of a weld seam measuring device for rail transit vehicles proposed in this utility model;

[0017] Figure 2 for Figure 1 Enlarged structural diagram of part A in the middle section;

[0018] Figure 3 for Figure 1 Three-dimensional view of the structure of the central top rod.

[0019] In the diagram: 1. Base plate, 2. Support base, 3. Slider, 4. Distance measuring clamp, 5. Pressure rod, 6. Rubber pad, 7. First scale line, 8. Second scale line, 9. Indicator, 10. Fixing ring, 11. Top rod, 12. Slide plate, 13. Spring, 14. Pointer, 15. Third scale line, 16. Wear-resistant metal pad. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0021] Reference Figure 1-3 A measuring device for weld seams in rail transit vehicles includes a base plate 1 and a support base 2. The support base 2 is fixedly connected to the bottom of the base plate 1. A strip-shaped opening is provided on the inner wall of the base plate 1. A slider 3 is slidably provided on the inner wall of the base plate 1 at the strip-shaped opening. A measuring clamp 4 is fixedly connected to the side wall of the slider 3. A sliding hole is provided on the inner wall of the base plate 1 at the sliding hole. A pressure rod 5 is slidably provided on the inner wall of the base plate 1 at the sliding hole. A first scale line 7 is provided on the side wall of the base plate 1 at the strip-shaped opening. A second scale line 8 is provided on the rod wall of the pressure rod 5. An arc-shaped notch is provided on the inner wall of the base plate 1 at the corner. A fixing ring 10 is fixedly connected to the side wall of the arc-shaped notch. A top rod 11 is slidably provided on the inner wall of the fixing ring 10. A wear-resistant metal pad 16 is fixedly connected to the bottom side wall of the measuring clamp 4.

[0022] A rubber pad 6 is fixedly connected to the inner wall of the strip-shaped opening on the substrate 1. The side wall of the slider 3 is attached to the side wall of the rubber pad 6. An indicator 9 is provided on the rod wall of the measuring clamp 4. The indicator 9 is aligned with the first scale line 7.

[0023] In use, by placing the support frame 2 on the workpiece to be inspected, and moving the measuring clamp 4 to move the slider 3 along the inner wall of the strip opening, the wear-resistant metal pad 16 at the bottom of the measuring clamp 4 can be clamped and set on both sides of the weld. The position of the indicator 9 on the first scale line 7 can be observed, and the width of the weld can be measured. When the measuring clamp 4 is measuring, the bottom of the pressure rod 5 will be pressed and set on the top of the weld. The thickness of the weld can be observed by looking at the second scale line 8 on the wall of the pressure rod 5, so that the quality of the weld can be measured and inspected.

[0024] If the weld is located at the corner of the workpiece, the side wall of the base plate 1 located at the arc-shaped notch can be pressed and fitted to the corner. The top rod 11 slides along the side wall of the fixing ring 10 and is pressed and fitted to the weld. The welding condition of the weld located at the corner can be measured and processed.

[0025] In order for the push rod 11 to be tightly fitted onto the weld, such as Figure 1-3As shown, a sliding plate 12 is fixedly sleeved on the rod wall of the top rod 11. The sliding plate 12 is slidably mounted on the side wall of the base plate 1. A spring 13 is sleeved on the rod wall of the top rod 11. One end of the spring 13 is fixedly connected to the sliding plate 12, and the other end of the spring 13 is fixedly connected to the side wall of the fixing ring 10. A pointer 14 is fixedly connected to the side wall of the sliding plate 12. A third scale line 15 is provided on the side wall of the base plate 1 located on the top rod 11. The pointer 14 is slidably mounted on the side wall of the base plate 1 located on the third scale line 15.

[0026] Spring 13 pushes slide plate 12 to slide along the side wall of substrate 1, which can make push rod 11 press against the weld and improve the stability of push rod 11 movement. When slide plate 12 moves, it can push pointer 14 to move along the third scale line 15, which can intuitively observe accurate data.

[0027] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A weld seam measuring device for rail transit vehicles, comprising a base plate (1) and a support base (2), characterized in that: The support base (2) is fixedly connected to the bottom of the base plate (1). The inner wall of the base plate (1) is provided with a strip-shaped opening. The base plate (1) is provided with a slider (3) slidably on the inner wall of the strip-shaped opening. A distance measuring clamp (4) is fixedly connected to the side wall of the slider (3). The inner wall of the base plate (1) is provided with a sliding hole. The base plate (1) is provided with a pressure rod (5) slidably on the inner wall of the sliding hole. The base plate (1) is provided with a first scale line (7) on the side wall of the strip-shaped opening. The pressure rod (5) is provided with a second scale line (8) on the rod wall. The inner wall of the base plate (1) at the corner is provided with an arc-shaped recess. The base plate (1) is fixedly connected with a fixing ring (10) on the side wall of the arc-shaped recess. A top rod (11) is slidably provided on the inner wall of the fixing ring (10).

2. The rail vehicle weld measurement device of claim 1, wherein: The substrate (1) is fixedly connected to the inner wall of the strip opening with a rubber pad (6), and the side wall of the slider (3) is attached to the side wall of the rubber pad (6).

3. The rail vehicle weld measurement device of claim 1, wherein: The measuring rod (4) has an indicator (9) on its wall, and the indicator (9) is aligned with the first scale line (7).

4. The rail vehicle weld measurement device of claim 1, wherein: A sliding plate (12) is fixedly sleeved on the rod wall of the top rod (11). The sliding plate (12) is slidably mounted on the side wall of the base plate (1). A spring (13) is sleeved on the rod wall of the top rod (11). One end of the spring (13) is fixedly connected to the sliding plate (12), and the other end of the spring (13) is fixedly connected to the side wall of the fixing ring (10).

5. The rail vehicle weld measurement device of claim 4, wherein: A pointer (14) is fixedly connected to the side wall of the slide plate (12). The base plate (1) is provided with a third scale line (15) on the side wall of the top rod (11). The pointer (14) is slidably disposed on the side wall of the base plate (1) located on the third scale line (15).

6. The rail vehicle weld measurement device of claim 1, wherein: The bottom side wall of the ranging clamp (4) is fixedly connected to a wear-resistant metal pad (16).

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