Width measuring device for frog rim groove

By designing the contoured body and adjustable secondary ruler structure, the error and limitation of measurement of the width of the travertine rim groove in the prior art are solved, and accurate measurement of the width of the travertine rim groove and a wider measurement range are achieved. .

CN222279590UActive Publication Date: 2024-12-31CHINA RAILWAY SHANQIAO GRP CO LTD
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Patent Information

Application Number
CN202422679892.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-05
Publication Date
2024-12-31
Estimated Expiration
2034-11-05

AI Technical Summary

Technical Problem

The prior art has errors and limitations when measuring the width of the traverse groove of the high manganese steel. The vernier caliper cannot accurately measure the arc and slope structure, and the special sample can only obtain the range value rather than the accurate value.

Method used

A traverse groove width measuring device including a contour body, a top surface fitting block and a sub ruler is designed. The contour body has a contour fitting surface that is adapted to the arc of the working edge of the traverse, and the top surface fitting is attached. The combined block is removably connected to the main ruler, and the secondary ruler can be adjusted to accurately locate the side gauge line of the rushing wing rail to expand the measurement range.

Benefits of technology

Accurate measurement of the width of the traverse groove is achieved, providing a wider measurement range, ensuring the accuracy and reliability of the measurement results.

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Abstract

The utility model discloses a frog rim groove width measuring device, which relates to the frog rim groove width measuring field, and comprises a profiling main body, a top surface fitting block and an auxiliary ruler, the profiling main body comprises a profiling part and a main ruler part which are integrally formed, a profiling fitting surface matched with a frog working edge arc is formed on the lower surface of the profiling part, and the top surface fitting block and the auxiliary ruler are integrally formed. The main ruler part is provided with a main ruler scale line with the frog point rail working edge gauge line as the starting point, the top face attaching block is detachably connected with the end, away from the main ruler part, of the profiling part, the auxiliary ruler is movably arranged on the main ruler part, and the length directions of the auxiliary ruler and the main ruler part are located on the same straight line. The auxiliary ruler is provided with an auxiliary ruler scale line with the frog wing rail side gauge line as the starting point. According to the utility model, through the profiling main body with the profiling binding surface, the profiling main body can be directly attached to a frog working edge arc, accurate positioning at a frog point rail working edge gauge line is completed, the width of a frog rim groove can be accurately measured, and the whole width measuring device has a wider measuring range.
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Description

Technical Field

[0001] The utility model relates to the field of frog wheel rim groove width measurement, in particular to a frog wheel rim groove width measurement device with accurate measurement and a wide measurement range. Background Art

[0002] The wheel flange groove width of high manganese steel frogs is one of the key dimensions of frogs, which is directly related to the safety of line driving. At present, the measurement of the width of the wheel flange groove after processing is generally completed by a special vernier caliper or a special template, but both of these measurement methods have certain errors or limitations. For example, when using a vernier caliper to measure, due to the arc and inclined structure on the top surface of the frog heart rail, and the tolerance of the top surface height of the wing rail, it is impossible to accurately measure the wheel flange groove width at the height of the gauge line when using a vernier caliper, and there is a certain error; when using a special template to measure, according to the upper and lower limit values ​​of the template, only the range value of the wheel flange groove width can be obtained, and the accurate value of the wheel flange groove width cannot be obtained. Utility Model Content

[0003] In order to solve the defects existing in the above-mentioned technology, the utility model provides a frog wheel flange groove width measuring device with accurate measurement and a wide measuring range.

[0004] The technical solution adopted by the utility model to achieve the above technical effects is:

[0005] A device for measuring the width of a frog wheel flange groove comprises a profiling body, a top surface fitting block and a secondary scale, wherein the profiling body comprises an integrally formed profiling portion and a main scale portion, the lower surface of the profiling portion is formed with a profiling fitting surface adapted to the arc of a frog working side, the main scale portion is provided with main scale graduation lines starting from the gauge line of the frog heart rail working side, the top surface fitting block is detachably connected to the profiling portion at one end away from the main scale portion, the secondary scale is movably arranged on the main scale portion, the length directions of the two are located on the same straight line, and the secondary scale is provided with secondary scale graduation lines starting from the gauge line of the frog wing rail side surface.

[0006] Preferably, in the above-mentioned frog wheel flange groove width measuring device, the top surface fitting block and the contouring portion are detachably connected at an end away from the main scale portion through a quick-release connection structure.

[0007] Preferably, in the above-mentioned frog wheel flange groove width measuring device, the lower surface of the top surface fitting block is formed with a positioning fitting surface adapted to the angle of the frog heart rail top surface.

[0008] Preferably, in the above-mentioned frog wheel rim groove width measuring device, the quick-release connection structure includes a T-shaped plug-in groove formed on the end surface of the profiling portion at an end away from the main scale portion, and a T-shaped plug-in portion formed on the corresponding end surface of the top surface fitting block and plugged into and mating with the T-shaped plug-in groove.

[0009] Preferably, in the above frog wheel flange groove width measuring device, the secondary ruler is movably connected to the main ruler part through a groove structure.

[0010] Preferably, in the above-mentioned frog wheel rim groove width measuring device, the groove structure includes an assembly groove opened from the outer end surface of the main scale portion along its length direction, the side of the main scale portion is provided with a strip slide groove connected to the assembly groove, the secondary scale can be movably assembled in the assembly groove, and the secondary scale is provided with a lever assembled in the strip slide groove at one end close to the profiling portion.

[0011] Preferably, in the above frog wheel flange groove width measuring device, the side surface of the main scale portion is formed with horizontal limiting ribs perpendicular to its surface along its length direction, and the assembly groove is formed with horizontal limiting sliding grooves for adapting to the horizontal limiting ribs.

[0012] Preferably, in the above frog wheel flange groove width measuring device, the outer end of the main ruler portion is provided with a screw hole communicating with the assembly groove on one side of its upper surface, and a fastening screw for positioning the secondary ruler is provided in the screw hole.

[0013] Preferably, in the above-mentioned frog wheel flange groove width measuring device, the maximum scale value of the main scale line is 30 mm.

[0014] Preferably, in the above-mentioned frog wheel flange groove width measuring device, the scale value range of the secondary scale scale line is 0 to 20 mm.

[0015] The beneficial effects of the utility model are as follows: the width measuring device of the utility model can be directly fitted and adapted to the arc of the working side of the frog through the profiling main body with the profiling fitting surface, and the top surface fitting block is fitted to the top surface of the frog heart rail to complete the accurate positioning of the width measuring device at the track gauge line of the working side of the frog heart rail, and then the starting point of the scale line of the secondary ruler is adjusted to abut the track gauge line on the side of the frog wing rail by adjusting the secondary ruler, so that the width of the frog wheel flange groove can be accurately measured. Under the adjustment of the secondary ruler, the entire width measuring device has a wider measurement range. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A three-dimensional diagram of the present invention from one viewing angle;

[0017] Figure 2 A three-dimensional diagram of the present invention from one viewing angle;

[0018] Figure 3 A three-dimensional diagram of the present invention from one viewing angle;

[0019] Figure 4 It is a top view of the utility model;

[0020] Figure 5 It is a side view of the utility model;

[0021] Figure 6 It is a three-dimensional diagram of the main scale part of the utility model;

[0022] Figure 7 It is a cross-sectional view of the main scale portion of the utility model;

[0023] Figure 8 It is a three-dimensional diagram of the top surface bonding block of the utility model;

[0024] Fig. 9 It is a three-dimensional diagram of the secondary ruler of the utility model;

[0025] Fig.10 is a schematic diagram of a frog wheel flange groove;

[0026] Fig.11 This is a state diagram of the utility model when measuring the frog wheel flange groove. DETAILED DESCRIPTION

[0027] In order to further understand the present invention, the present invention is further described below with reference to the accompanying drawings and specific embodiments:

[0028] In the description of this utility, it should be noted that the terms "vertical", "upper", "lower", "horizontal", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing this utility and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of this utility. In addition, "first", "second", "third", and "fourth" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0029] In the description of this utility, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, a mechanical connection, an electrical connection, a direct connection, or a connection through an intermediate medium, or the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this utility can be understood according to specific circumstances.

[0030] See also Figure 1 , Figure 2 and Figure 3 As shown in the figure, the embodiment of the utility model provides a frog wheel flange groove width measuring device, the width measuring device is used to measure Fig.10 The width of the frog wheel flange groove is shown. Fig.10 As shown, a frog wheel flange groove 10 is formed between the frog heart rail and the wing rail. The width of the frog wheel flange groove 10 is the width W between the working edge 20 of the frog heart rail and the corresponding wing rail side surface 30 at the height of the track gauge line AA. The width W is usually 30 to 50 mm. Specifically, in the embodiment of the utility model, as shown in FIG. Figure 1 , Figure 2 and Figure 3 As shown, the width measuring device comprises a profiling body 1, a top surface fitting block 2 and a secondary ruler 3, wherein the profiling body 1 comprises an integrally formed profiling part 11 and a main ruler part 12, the lower surface of the profiling part 11 is formed with a profiling fitting surface 111 adapted to the arc of the frog working side, and the main ruler part 12 is provided with a main ruler scale line 121 starting from the gauge line of the frog heart rail working side. The top surface fitting block 2 is detachably connected to the profiling part 11 at one end away from the main ruler part 12, and the top surface fitting block 2 is used to fit on the top surface of the frog heart rail, and cooperate with the profiling part 11 to position the entire profiling body 1 at the gauge line of the frog heart rail working side. The secondary ruler 3 is movably arranged on the main ruler part 12, and the length directions of the two are located on the same straight line, and the secondary ruler 3 is provided with a secondary ruler scale line 31 starting from the gauge line of the frog wing rail side. Since the length directions of the secondary scale 3 and the main scale portion 12 are located on the same straight line, when the entire profiling body 1 is positioned at the track gauge line of the frog heart rail working side, the starting point of the secondary scale scale line 31 of the secondary scale 3 can also be accurately positioned at the track gauge line of the wing rail side 30, thereby accurately measuring Fig.10 The width W of the working edge 20 of the middle frog rail and the corresponding wing rail side 30 at the height of the track gauge line AA. Fig.11 As shown, in the embodiment of the present invention, the maximum scale value of the main scale line 121 plus the reading of the secondary scale line 31 of the secondary scale 3 after the secondary scale 3 is moved into place is the precise size of the rim groove width at that location.

[0031] Further, in a preferred embodiment of the present invention, the top surface fitting block 2 and the contouring portion 11 are detachably connected at one end away from the main scale portion 12 through a quick-release connection structure, and the top surface fitting block 2 can be replaced through the quick-release connection between the two. In the embodiment of the present invention, the lower surface of the top surface fitting block 2 is formed with a positioning fitting surface 21 adapted to the top surface angle of the frog heart rail, and a top surface fitting block with a suitable angle can be selected according to the top surface angle of the frog, and the flange groove width of frogs with different top surface angles can be measured by replacing the top surface fitting block 2.

[0032] Specifically, in the preferred embodiment of the present utility model, Figure 1 , Figure 2 and Figure 3 As shown, the quick-release connection structure includes a T-shaped insertion groove formed on the end surface of the profiling portion 11 away from the main scale portion 12, and a T-shaped insertion portion 22 formed on the corresponding end surface of the top surface bonding block 2 and plugged into the T-shaped insertion groove. In the embodiment of the utility model, the structure of the T-shaped insertion portion 22 on the top surface bonding block 2 is as shown in FIG. Figure 8 As shown, when connected with the profiling part 11, the T-shaped plug-in part 22 is inserted laterally into the T-shaped plug-in slot of the profiling part 11 until it is in place. When the top surface bonding block 2 needs to be replaced, the T-shaped plug-in part 22 is pulled out laterally from the T-shaped plug-in slot of the profiling part 11.

[0033] Furthermore, in a preferred embodiment of the present invention, the secondary ruler 3 is movably connected to the main ruler portion 12 through a groove structure, and the width measuring range of the entire width measuring device can be expanded by pulling the secondary ruler 3. Specifically, Figure 3 , Figure 6 and Figure 7 As shown, the groove structure includes an assembly groove 122 opened along the length direction of the main ruler portion 12 from the outer end surface thereof, wherein a strip-shaped slide groove 1221 connected to the assembly groove 122 is opened on the side of the main ruler portion 12, the auxiliary ruler 3 is movably assembled in the assembly groove 122, and a lever 32 assembled in the strip-shaped slide groove 1221 is provided at one end of the auxiliary ruler 3 close to the profiling portion 11. When it is necessary to measure a wider frog wheel flange groove 10, the lever 32 is pulled to move the auxiliary ruler 3 in the assembly groove 122 to the corresponding measuring stroke.

[0034] In order to increase the stability of the movement of the secondary ruler 3 in the assembly groove 122, as shown in FIG. Fig. 9 As shown, the side surface of the main ruler portion 12 is formed with horizontal limiting ribs 33 perpendicular to its surface along its length direction. Figure 6 and Figure 7 As shown, the assembly groove 122 is formed with a horizontal limiting sliding groove 1222 for adapting to the horizontal limiting rib 33.

[0035] Further, in a preferred embodiment of the present invention, Figure 6 As shown, the outer end of the main ruler portion 12 is provided with a screw hole connected to the assembly groove 122 on one side of its upper surface, and a fastening screw 4 for positioning the secondary ruler 3 is provided in the screw hole. After the secondary ruler 3 is moved into position, the secondary ruler 3 in position can be positioned at the stroke by tightening the fastening screw 4, thereby ensuring that the secondary ruler 3 is stable at the stroke and achieving accurate reading. In the embodiment of the utility model, the secondary ruler 3 is moved into position means that the starting point of the secondary ruler scale line 31 of the secondary ruler 3 is positioned at the track gauge line of the side 30 of the frog wing rail.

[0036] As a preferred embodiment, in the present invention, the maximum scale value of the main scale line 121 is 30 mm, the scale value range of the secondary scale line 31 is 0 to 20 mm, and the width measurement range is 30 to 50 mm.

[0037] In summary, the width measuring device of the utility model can be directly fitted and adapted to the arc of the working side of the frog through the contoured main body with the contoured fitting surface, and the top surface fitting block is fitted to the top surface of the frog heart rail to complete the precise positioning of the width measuring device at the gauge line of the working side of the frog heart rail, and then the starting point of the secondary ruler scale line is adjusted to abut the gauge line on the side of the frog wing rail by adjusting the secondary ruler, so as to accurately measure the width of the frog wheel flange groove. Under the adjustment of the secondary ruler, the entire width measuring device has a wider measurement range.

[0038] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and the specification only describe the principle of the utility model. The utility model may have various changes and improvements without departing from the spirit and scope of the utility model, and these changes and improvements fall within the scope of the utility model to be protected, and the scope of protection required by the utility model is defined by the attached claims and their equivalents.

Claims

1. A frog wheel flange groove width measuring device, characterized in that: The invention comprises a profiling body (1), a top surface fitting block (2) and a secondary scale (3), wherein the profiling body (1) comprises an integrally formed profiling portion (11) and a main scale portion (12), the lower surface of the profiling portion (11) being formed with a profiling fitting surface (111) adapted to the arc of the frog working side, the main scale portion (12) being provided with a main scale scale line (121) starting from the track gauge line of the frog heart rail working side, the top surface fitting block (2) being detachably connected to the profiling portion (11) at one end away from the main scale portion (12), the secondary scale (3) being movably arranged on the main scale portion (12), the length directions of the two being located on the same straight line, and the secondary scale (3) being provided with a secondary scale scale line (31) starting from the track gauge line of the frog wing rail side surface.

2. The frog wheel flange groove width measuring device according to claim 1, characterized in that: The top surface fitting block (2) is detachably connected to the contoured portion (11) at an end away from the main scale portion (12) via a quick-release connection structure.

3. The frog wheel flange groove width measuring device according to claim 1, characterized in that: The lower surface of the top surface fitting block (2) is formed with a positioning fitting surface (21) adapted to the angle of the top surface of the frog heart rail.

4. The frog wheel flange groove width measuring device according to claim 2, characterized in that: The quick-release connection structure comprises a T-shaped insertion groove formed on an end surface of the profiling portion (11) away from the main scale portion (12), and a T-shaped insertion portion (22) formed on a corresponding end surface of the top surface fitting block (2) and pluggably engaged with the T-shaped insertion groove.

5. The frog wheel flange groove width measuring device according to claim 1, characterized in that: The secondary scale (3) is movably connected to the main scale part (12) via a groove structure.

6. The frog wheel flange groove width measuring device according to claim 5, characterized in that: The groove structure comprises an assembly groove (122) formed along the length direction of the main ruler portion (12) from the outer end surface thereof; a strip-shaped slide groove (1221) connected to the assembly groove (122) is formed on the side surface of the main ruler portion (12); the auxiliary ruler (3) is movably mounted in the assembly groove (122); and a lever (32) mounted in the strip-shaped slide groove (1221) is provided at one end of the auxiliary ruler (3) close to the profiling portion (11).

7. The frog wheel flange groove width measuring device according to claim 6, characterized in that: The side surface of the main ruler portion (12) is formed with a horizontal limiting convex rib (33) perpendicular to its surface along its length direction, and the assembly groove (122) is formed with a horizontal limiting sliding groove (1222) for adapting to the horizontal limiting convex rib (33).

8. The frog wheel flange groove width measuring device according to claim 6, characterized in that: The outer end of the main ruler portion (12) is provided with a screw hole on one side of its upper surface which is connected to the assembly groove (122), and a fastening screw (4) for positioning the auxiliary ruler (3) is provided in the screw hole.

9. The frog wheel flange groove width measuring device according to claim 1, characterized in that: The maximum scale value of the main scale line (121) is 30 mm.

10. The frog wheel flange groove width measuring device according to claim 9, characterized in that: The scale value range of the secondary scale mark (31) is 0 to 20 mm.