Steel rail polishing profile inspection device

Abstract

A steel rail polishing profile inspection device comprises a profile inspection assembly and a depth measuring scale, the profile inspection assembly comprises a stand column, a reference profile measurement block, a profile comparison block and a probe, a T-shaped positioning groove extending in the vertical direction is formed in the inner side wall of the stand column, and the reference profile measurement block and the profile comparison block respectively comprise a T-shaped positioning block and a probe positioning block. The T-shaped positioning block can be positioned in the T-shaped positioning groove of the stand column, the probe positioning block is formed by horizontally extending a middle arm of the T-shaped positioning block outwards, the probe positioning groove penetrates through the upper surface and the lower surface of the probe positioning block, the probes are arranged in the probe positioning groove in parallel, and the upper ends and the lower ends of the probes protrude out of the upper end face and the lower end face of the probe positioning groove respectively. The inner sides of the bottom ends of the stand columns are connected with steel rail positioning blocks capable of being positioned at steel rail jaws. The device is small in size, light in weight, convenient to carry outside, economical and practical, can meet the measurement requirement of the steel rail contour, and is suitable for popularization and application.

Description

TECHNICAL FIELD

[0001] The utility model relates to the inspection device of rail transit maintenance process, especially relates to a rail grinding profile inspection device. BACKGROUND

[0002] With the increase of railway service time, the profile of the rail on the railway may be deformed, in order to avoid the profile of the rail from being deformed to affect the safety of train operation, the profile of the rail with the deformed profile needs to be ground. Generally, the rail is ground by the rail grinding car, but the section that cannot be ground by the rail grinding car needs to be ground manually, and the manual grinding needs to be checked by the inspection device to check whether it is qualified, at present, the imported rail section profile instrument is used to measure the difference between two places (the rail section profile ground by the rail grinding car and the rail section profile ground manually), and the difference is qualified within the specified range, otherwise it is unqualified. The rail section profile instrument has large size, and it is inconvenient to carry out, and in addition, the equipment is an imported product with high price and difficult after-sales maintenance, so it is difficult to promote in China. SUMMARY

[0003] The utility model discloses in order to solve the technical problem in the prior art, provide a rail grinding profile inspection device, its volume is small, and the weight is light, and it is convenient to carry out, and the economic practicality can satisfy the measurement requirement of rail profile, and it is fit to use widely.

[0004] The utility model discloses a technical scheme that is adopted for realizing the above-mentioned purpose: a rail grinding profile inspection device, including profile inspection subassembly and depth measuring scale, profile inspection subassembly includes stand, reference profile measuring block, profile contrast block, measuring needle, the inside wall of stand is provided with a T-shaped positioning groove that extends in the vertical direction, reference profile measuring block and profile contrast block include T-shaped positioning block and measuring needle positioning block respectively, T-shaped positioning block can be positioned in the T-shaped positioning groove of stand, measuring needle positioning block is formed by the horizontal extension of the middle arm of T-shaped positioning block, measuring needle positioning groove penetrates the upper and lower surfaces of measuring needle positioning block, measuring needle is arranged in measuring needle positioning groove and mutually parallel, and the upper and lower ends of measuring needle protrude from the upper and lower end surfaces of measuring needle positioning groove, and the inside of the bottom end of stand is connected with the rail positioning block that can be positioned at the rail jaw.

[0005] The further technical scheme of the utility model discloses: the upper end of T-shaped positioning groove penetrates the top end of stand, when the T-shaped positioning block of reference profile measuring block and profile contrast block is positioned in T-shaped positioning groove, reference profile measuring block and profile contrast block can be separated from T-shaped positioning groove from the top end of stand.

[0006] The further technical scheme of the utility model discloses: the measuring needle positioning block of the reference profile measurement block and the profile comparison block is vertically installed with measuring needle locking screw to one side surface, is provided with a piece of rubber plate in the inner side of the wall of measuring needle locking screw one side in the measuring needle positioning groove, and the inner side of measuring needle locking screw extends to the measuring needle positioning groove and is pressed on the outer surface of rubber plate.

[0007] The further technical scheme of the utility model discloses: still be provided with the interval adjusting screw for pressing the distance of rubber plate both ends on the measuring needle positioning block of measuring needle locking screw both sides.

[0008] The further technical scheme of the utility model discloses: the measuring needle positioning groove one side outer surface of the reference profile measurement block is equipped with length scale, and length scale is the scale that 0 is in the middle and gradually increases to both sides.

[0009] The further technical scheme of the utility model discloses: the measuring needle positioning groove one side outer surface of the profile comparison block is equipped with angle scale, and angle scale is the scale that 0 is in the middle and gradually increases to both sides.

[0010] The further technical scheme of the utility model discloses: the steel rail positioning block is fixedly connected in the T-shaped positioning groove in the bottom end of stand through locking screw, the steel rail positioning block includes the side face positioning block that can position the side face of steel rail and the rail jaw positioning block that can position the rail jaw of steel rail, and the side face positioning block and rail jaw positioning block are connected as an integral structure, and the magnet is connected on the side face positioning block and rail jaw positioning block respectively.

[0011] The utility model discloses a kind of steel rail profile checking devices with following beneficial effects: the structure of profile checking assembly and depth measuring scale of checking device is relatively small and delicate, convenient to carry outside, and checking device structure is simple, economical and practical;Steel rail positioning block can be positioned at rail jaw of steel rail quickly, measuring needle can be positioned in measuring needle positioning groove in advance, and detection process only needs to be reference profile measurement block and profile comparison block, very convenient to use, can satisfy the measurement requirement of steel rail profile, and it is suitable for promotion and use in domestic engineering department.

[0012] The utility model discloses a kind of steel rail profile checking devices with following beneficial effects: the structure of profile checking assembly and depth measuring scale of checking device is relatively small and delicate, convenient to carry outside, and checking device structure is simple, economical and practical;Steel rail positioning block can be positioned at rail jaw of steel rail quickly, measuring needle can be positioned in measuring needle positioning groove in advance, and detection process only needs to be reference profile measurement block and profile comparison block, very convenient to use, can satisfy the measurement requirement of steel rail profile, and it is suitable for promotion and use in domestic engineering department. DRAWINGS

[0013] Figure 1 It is the front view of the profile checking assembly of the utility model discloses a kind of steel rail profile checking device;

[0014] Figure 2 It is the top view of the profile checking assembly of the utility model discloses a kind of steel rail profile checking device;

[0015] Figure 3 It is the perspective view of the profile checking assembly of the utility model discloses a kind of steel rail profile checking device;

[0016] Figure 4 is a perspective view of a depth measuring scale of a rail profile inspection device of the utility model;

[0017] Figure 5 is a schematic view of measuring the reference profile of the rail polished by the rail polisher using the profile inspection assembly;

[0018] Figure 6 is a schematic view of measuring the profile of the manually polished rail (the rail that cannot be polished by the rail polisher) using the profile inspection assembly;

[0019] Figure 7 is a schematic view of profile comparison measurement using the rail profile inspection device of the utility model;

[0020] Explanation of reference numerals: 1 - stand, 2 - reference profile measurement block, 3 - profile comparison block, 4 - measuring needle, 5 - measuring needle locking screw, 6 - spacing adjustment screw, 7 - magnet, 8 - rail jaw positioning block, 9 - side positioning block, 10 - measuring needle positioning groove, 11 - rubber plate, 12 - T-shaped positioning block, 13 - measuring needle positioning block, 14 - T-shaped positioning groove, 15 - depth measuring scale, 16 - rail, 17 - rail positioning block. DETAILED DESCRIPTION

[0021] As shown in Figures 1 to 4 , the utility model discloses a rail profile inspection device for checking the profile deviation of the section of the rail that cannot be polished by the rail polisher and guiding the manual polishing of the profile of the section of the rail. The utility model includes a profile inspection assembly and a depth measuring scale 15, and the profile inspection assembly includes a stand 1, a reference profile measurement block 2, a profile comparison block 3 and a measuring needle 4. The depth measuring scale 15 is an existing device that can be directly purchased, and the structure thereof is not introduced herein.

[0022] As shown in Figures 1 to 3As shown, the inner side wall of the column 1 is provided with a T-shaped positioning groove 14 extending in the vertical direction, the upper end of the T-shaped positioning groove 14 penetrates the top end of the column 1. The reference profile measuring block 2 and the profile comparison block 3 respectively include a T-shaped positioning block 12 and a stylus positioning block 13, the T-shaped positioning block 12 can be positioned in the T-shaped positioning groove 14 of the column 1, when the T-shaped positioning block 12 of the reference profile measuring block 2 and the profile comparison block 3 is positioned in the T-shaped positioning groove 14, the reference profile measuring block 2 and the profile comparison block 3 can be separated from the T-shaped positioning groove 14 at the top end of the column 1. The stylus positioning block 13 is formed by extending outwardly and horizontally from the middle arm of the T-shaped positioning block 12, the stylus positioning groove 10 penetrates the upper and lower surfaces of the stylus positioning block 13, the mutually parallel styli 4 are arranged in the stylus positioning groove 10 and the upper and lower ends of the styli 4 respectively protrude from the upper and lower end surfaces of the stylus positioning groove 10. The stylus locking screw 5 is vertically mounted on the side surface of the stylus positioning block 13 of the reference profile measuring block 2 and the profile comparison block 3, the rubber plate 11 is arranged in the inner side of the side wall of the stylus positioning groove 10 close to the stylus locking screw 4, the inner side of the stylus locking screw 5 extends vertically inwardly into the stylus positioning groove 10 and presses against the outer surface of the rubber plate 11, the rubber plate 11 presses the middle part of all the styli 4. The stylus locking screw 5 extends inwardly from the outside and presses against the surface of the rubber plate 11 which faces away from the styli 4, the distance adjusting screw 6 for pressing the two ends of the rubber plate 11 is further arranged on the stylus positioning block 13 on both sides of the stylus locking screw 5. The force with which the rubber plate 11 presses the styli 4 can be adjusted by adjusting the tightness of the stylus locking screw 5 and the distance adjusting screw 6, the tighter the stylus locking screw 5 and the distance adjusting screw 6, the greater the force with which the rubber plate 11 presses the styli 4, the styli 4 are less likely to move up and down; the looser the stylus locking screw 5 and the distance adjusting screw 6, the smaller the force with which the rubber plate 11 presses the styli 4, the styli 4 are more likely to move up and down. The structures of the reference profile measuring block 2 and the profile comparison block 3 are basically the same, the difference between the two structures is that: the outer surface of one side of the stylus positioning groove 10 of the reference profile measuring block 2 is provided with a length scale, and the length scale is a scale with 0 in the middle and gradually increasing towards both sides; the outer surface of one side of the stylus positioning groove 10 of the profile comparison block 3 is provided with an angle scale, and the angle scale is a scale with 0 in the middle and gradually increasing towards both sides. The length scale and the angle scale are both convenient for more intuitively seeing which position of the detection result is the maximum gap position.

[0023] As Figure 1 、 Figure 3 shown, the bottom end of the column 1 is connected with a rail positioning block 17 capable of being positioned at the rail jaw of the steel rail 16, in this embodiment, the rail positioning block 17 is fixedly connected in the T-shaped positioning groove 14 at the bottom end of the column 1 by a locking screw, the rail positioning block 17 includes a side surface positioning block 9 capable of positioning the side surface of the steel rail 16 and a rail jaw positioning block 8 capable of positioning the rail jaw of the steel rail 16, the side surface positioning block 9 and the rail jaw positioning block 8 are connected as an integral structure, and the side surface positioning block 9 and the rail jaw positioning block 8 are respectively connected with a magnet 7.

[0024] In use, asFigure 5 、 6 , 7, first, the rail positioning block 17 of the inspection device is adsorbed on the rail jaw of the rail 16 polished by the rail grinder, wherein the side positioning block 9 is close to the side of the rail 16, the rail jaw positioning block 8 is close to the rail jaw of the rail 16, the reference profile measuring block 2 is loaded in the T-shaped positioning groove 14 of the stand 1 and the measuring needles are dropped on the surface of the rail 16, all the measuring needles are pressed downward to make the lower ends thereof contact with the surface of the rail 16, as shown in Figure 5 , the measuring needle locking screw 5 is tightened, the inspection device is removed, and the reference profile measuring block 2 is taken out from the T-shaped positioning groove 14 of the stand 1. Secondly, the rail positioning block 17 of the inspection device is adsorbed on the rail 16 which is not polished by the rail grinder (the rail is polished by the small grinder), the profile comparison block 3 is loaded in the T-shaped positioning groove 14 of the stand 1, all the measuring needles are pressed downward to make the lower ends thereof contact with the surface of the rail 16, and the measuring needle locking screw 5 is locked, as shown in Figure 6 . Then, the reference profile measuring block 2 is loaded in the T-shaped positioning groove 14 of the inspection device and the lower ends of the measuring needles thereof are contacted with the upper ends of the measuring needles of the profile comparison block, as shown in Figure 7 , the gap between the measuring needles is observed, the position of the maximum gap is recorded from the angle mark. Finally, the reference surface of the depth measuring ruler 15 is abutted on the upper end of the profile comparison block, the measuring ruler of the depth measuring ruler 15 is pushed to make the measuring head thereof contact with the measuring needle on the upper end of the profile comparison block at the maximum gap, the measurement value is read, and the rail is manually polished by the small grinder according to the measurement result until the measurement result is qualified.

[0025] The above embodiment is only a preferred embodiment of the present application, and the structure of the present application is not limited to the form listed in the above embodiment. Any modification, equivalent replacement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A rail profile inspection device, characterised in that, The profile inspection assembly and the depth measuring scale (15) are included, the profile inspection assembly includes a stand (1), a reference profile measuring block (2), a profile comparison block (3) and a measuring needle (4), a T-shaped positioning groove (14) extending in the vertical direction is arranged on the inner side wall of the stand (1), the reference profile measuring block (2) and the profile comparison block (3) respectively include a T-shaped positioning block (12) and a measuring needle positioning block (13), the T-shaped positioning block (12) can be positioned in the T-shaped positioning groove (14) of the stand (1), the measuring needle positioning block (13) is formed by extending outward horizontally from the middle arm of the T-shaped positioning block (12), a measuring needle positioning groove (10) penetrates the upper and lower surfaces of the measuring needle positioning block (13), the measuring needles (4) are arranged in the measuring needle positioning groove (10) and parallel to each other, and the upper and lower ends of the measuring needles (4) respectively protrude from the upper and lower end surfaces of the measuring needle positioning groove (10), and the inner side of the bottom end of the stand (1) is connected with a rail positioning block (17) capable of being positioned at the rail jaw of the rail (16).

2. A rail profile inspection device as defined in claim 1, wherein, The upper end of the T-shaped positioning groove (14) penetrates the top end of the stand (1), when the T-shaped positioning blocks (12) of the reference profile measuring block (2) and the profile comparison block (3) are positioned in the T-shaped positioning groove (14), the reference profile measuring block (2) and the profile comparison block (3) can be separated from the T-shaped positioning groove (14) at the top end of the stand (1).

3. A rail profile inspection device as defined in claim 1, wherein, The measuring needle locking screw (5) is vertically installed on one side surface of the measuring needle positioning block (13) of the reference profile measuring block (2) and the profile comparison block (3), a rubber plate (11) is arranged on the inner side of the side wall of the measuring needle positioning groove (10) near the measuring needle locking screw (5), and the inner side of the measuring needle locking screw (5) extends vertically inward into the measuring needle positioning groove (10) and presses against the outer surface of the rubber plate (11).

4. A rail profile inspection device as defined in claim 3, wherein, The distance adjusting screws (6) for pressing the two ends of the rubber plate (11) are further arranged on the measuring needle positioning blocks (13) on both sides of the measuring needle locking screw (5).

5. A rail profile inspection device as defined in claim 1, wherein, The length scale is arranged on the outer surface of one side of the measuring needle positioning groove (10) of the reference profile measuring block (2), and the length scale is a scale with 0 in the middle and gradually increasing to both sides.

6. A rail profile inspection device as defined in claim 1, wherein, The angle scale is arranged on the outer surface of one side of the measuring needle positioning groove (10) of the profile comparison block (3), and the angle scale is a scale with 0 in the middle and gradually increasing to both sides.

7. A rail profile inspection device as defined in claim 1, wherein, The rail positioning block (17) is fixedly connected in the T-shaped positioning groove (14) at the bottom end of the stand (1) through a locking screw, the rail positioning block (17) includes a side positioning block (9) capable of positioning the side surface of the rail (16) and a rail jaw positioning block (8) capable of positioning the rail jaw of the rail (16), the side positioning block (9) and the rail jaw positioning block (8) are connected as an integral structure, and the magnets (7) are respectively connected on the side positioning block (9) and the rail jaw positioning block (8).

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