CN220932017U - Checking device of polygonal detection equipment for wheels of railway rolling stock - Google Patents

Abstract

The utility model discloses a checking device of a railway locomotive vehicle wheel polygon detection device, which comprises 2 wheel cakes and 1 axle, wherein the wheel cakes are provided with a plurality of regular manually processed tread defects, and the axle is used for fixedly connecting the 2 wheel cakes and enabling the wheel cakes to rotate so as to realize checking of the wheel polygon detection device. The tread of the wheel cake is manually processed with a plurality of regular tread defects on one circle, and the radial radius size of the wheel of the tread of the wheel cake is changed, so that the tread has a polygonal order with fixed protrusions, and uniform and periodic radial diameter changes occur on the circumference of the tread of the whole wheel. The utility model can be used for rapidly checking the existing polygon detection equipment, and provides a reference standard value for the polygon detection equipment or equipment needing polygon checking; the utility model is the supplement and the perfection of the existing polygon detection, and meets the development needs of the current railway locomotive wheel polygon detection field.

Description

Checking device of polygonal detection equipment for wheels of railway rolling stock

Technical Field

The utility model belongs to the field of wheel polygon detection, and particularly relates to a checking device of railway locomotive vehicle wheel polygon detection equipment.

Background

Wheel sets are an important component of the running gear of rolling stock. When the rolling stock runs, the wheel set is directly impacted by the rail, and is the part with the worst working condition, and also the part with the most easy failure of the running part of the rolling stock.

The wheel set of the railway rolling stock can generate a phenomenon of out-of-round in the long-term running process of the rolling stock, which can lead wheels of the railway rolling stock to generate wheel polygons on a track, further damage train parts, reduce comfort level of passengers, influence the safety and service life of trains and track facilities, and even lead axle to break and collapse, thereby causing serious accidents. For this purpose, a railroad rolling stock wheel polygon detection device is produced for detecting wheel polygons. But there is currently no verification device for a wheel polygon detection apparatus in the industry.

In this case, therefore, a device is required that can check whether the wheel polygon detection apparatus is good or bad or whether the detection accuracy is high.

Disclosure of Invention

Aiming at the defects and shortcomings in the prior art, the utility model aims to provide a checking device of a wheel polygon detection device of a railway locomotive, and the device can be used for checking the wheel polygon detection device.

The utility model solves the technical problems, and adopts the following technical scheme:

The utility model provides a verifying attachment of railway rolling stock wheel polygon check out test set, includes 2 wheel cakes and 1 axletree, sets up the tread defect of a plurality of regular people's processings on the wheel cake, and the axletree is fixed the wheel cake connection and the wheel cake is rotatable, realizes to the check out of wheel polygon check out test set.

Further, the wheel cake defects and the shaft hole diameter jumps are all smaller than 0.05mm.

Further, a plurality of regular tread defects are manually processed on one circumference of the tread of the wheel cake, and the radial radius size of the wheel of the tread of the wheel cake is changed, so that the tread has a polygonal order with fixed protrusions, and uniform and periodic radial diameter changes occur on the circumference of the tread of the whole wheel.

Further, the depth of each tread defect is consistent in size and range.

Further, the depth of the tread defect is as follows: 0.04-0.7 mm; the tread defect range: in the axial direction, the outer side surface of the wheel cake rim of the wheel reaches the root of the rim; in the circumferential direction: and (3) cutting an arc according to the depth of the tread defect in a straight line to obtain a chord length value, wherein the arc length is larger than the chord length value, and the arc lengths of the tread defects are the same value.

Further, the depth of the tread defect is as follows: 0.2-0.5 mm.

Further, the tread defects are uniformly distributed along the circumferential direction of the tread.

Further, the 2 wheel cakes are provided with a plurality of regular manually processed tread defects.

Compared with the prior art, the utility model has the following beneficial effects:

(1) By utilizing the checking device provided by the utility model, the conventional polygonal detection equipment can be checked rapidly.

(2) The checking device provides a reference standard value for polygon detection equipment or equipment needing polygon checking.

(3) The checking device is the supplement and the perfection of the existing polygon detection, and meets the development needs of the current railway rolling stock wheel polygon detection field.

Drawings

FIG. 1 is a schematic diagram of the present utility model in use on an on-line dynamic polygon detection apparatus;

FIG. 2 is a schematic diagram of the present utility model in use on a portable polygon detection apparatus;

FIG. 3 is a schematic illustration of a wheel cake of a railway vehicle wheel;

FIG. 4 is an axle schematic of a railway vehicle wheel;

FIG. 5 is a schematic view of a railroad car wheel well plate processed with polygonal defects: (a) a side view; (b) is a cross-sectional view;

FIG. 6 is a schematic diagram of a wheel cake with 28 tread defect distributions processed into a polygon.

The device comprises a 1-track, a 2-track edge online dynamic polygon detection device, a 3-wheel polygon detection device checking device, a 4-top wheel device, a 5-portable polygon detection device, a 6-rim root, a 7-rim, an 8-shaft hole, a 9-rim outer side surface and a 10-tread.

Detailed Description

The utility model is further described below with reference to the drawings and examples.

The checking device 3 of the polygonal detection equipment for the wheels of the railway rolling stock of the embodiment comprises 2 wheel cakes and 1 axle, wherein a plurality of regular manually processed tread defects are arranged on the 2 wheel cakes, the 1 axle is used for connecting and fixing the 2 wheel cakes, and the wheel cakes are conveniently driven to rotate, so that the polygonal detection equipment is checked through the checking device.

Wherein, through the axletree of fig. 4, connect fixed with 2 wheel cakes, and two wheel cakes can rotate on the axletree.

The schematic diagram of the wheel cake is shown in fig. 3, the radius of the wheel cake in this embodiment is 416.95mm, and the diameter jump of the wheel defect and the shaft hole 8 is less than 0.05mm.

The wheel cake is a measuring part of polygonal detection equipment, and the axle plays roles of fixing the wheel cake, rotating the wheel cake and partially lifting the wheel for supporting.

Wherein, the tread 10 of the wheel cake is manually processed.

As shown in fig. 6, in the present embodiment, 28 tread 10 defects are artificially processed on the circumference of the wheel cake tread 10, and the depth and the range of each tread 10 defect are uniform, so that the radial radius size of the wheel cake tread 10 is changed to have 28-order polygonal orders with fixed protrusions.

Specifically, the depth of each tread 10 defect is 0.2mm. The extent of each tread 10 defect is: axial direction: the outer side surface 9 of the wheel cake rim reaches the root 6 of the rim; and (3) circumferential direction: cutting an arc according to the tread defect depth and straight line to obtain a chord length value: 25.83mm, the arc length is larger than the chord length value, and the arc length value is as follows: 55mm.

The radial wheel diameter of the wheel cake (figure 5) is subjected to 360-degree three-coordinate measurement along the circumferential direction, three-coordinate measurement values are derived, and a roughness level value is calculated to be 37.21dB/um by referring to a roughness level calculation method in EN 15610:2009.

Referring to fig. 1 and 2, two operation scenarios of the checking device 3 of the railroad rolling stock wheel polygon detection apparatus of the present embodiment are shown:

(1) First scenario: as shown in fig. 1, the on-line dynamic polygon detection device 2 on the rail side is located outside the rail 1, and the verification device 3 of the on-line dynamic polygon detection device of this embodiment rolls on the rail 1 according to the use requirement of the on-site customer, and at this time, the verification device 3 of the on-line dynamic polygon detection device on the rail side can verify the on-line dynamic polygon detection device 2.

(2) The second scenario: as shown in fig. 2, the checking device 3 of the wheel polygon detection apparatus of this embodiment is fixed by the top wheel device 4 and the wheel cake thereof is rotatable (the top wheel device 4 is similar to a forklift truck, 2 rolling rotors are mounted on each fork arm of the forklift truck, the calibration device shaft is placed on the rotors, the lifting fork arm can be used for lifting the wheel for fixed rotation), the portable polygon detection apparatus 5 is placed under the wheel cake, and at this time, the checking device 3 of the wheel polygon detection apparatus of this embodiment can check the portable polygon detection apparatus 5.

The procedure of the verification by the verification device 3 of the wheel polygon detection apparatus of the present embodiment is as follows:

the first scenario, check-up is performed on the rail edge on-line dynamic polygon detection device 2: (1) The checking device 3 of the wheel polygon detection device in the embodiment is transported to the track 1, the track edge on-line dynamic polygon detection device 2 is started, and the checking device 3 of the wheel polygon detection device rolls at a constant speed through the track edge on-line dynamic polygon detection device 2. (2) Closing the rail edge on-line dynamic polygon detection device 2, and ending the verification. (3) Checking detection data of the on-line dynamic polygon detection equipment 2 on the rail side, and comparing the detection data with a standard value (28 orders of the polygon and corresponding roughness level 37.21 dB/um) of a checking device 3 of the wheel polygon detection equipment to achieve a checking effect.

The second scenario: checking the portable polygon detection apparatus 5: (1) The calibration device 3 of the wheel polygon detection apparatus of this embodiment needs to be lifted up to be able to rotate freely; (2) Starting the portable polygonal detection equipment 5, uniformly rotating the axle or wheel cake (the rotation speeds of the axle and the wheel cake are consistent) of the checking device 3 of the wheel polygonal detection equipment until the portable polygonal detection equipment 5 finishes measuring, stopping rotating the wheel, and finishing checking. (3) Checking the detection data of the portable polygon detection equipment 5, and comparing the detection data with the standard value (28 orders of the polygon and corresponding roughness level 37.21 dB/um) of the checking device 3 of the wheel polygon detection equipment to achieve the checking effect.

The foregoing description of the embodiments to enable any person skilled in the art to make or use the utility model, and it will be apparent to those skilled in the art that various modifications may be made to the embodiments without departing from the spirit or scope of the utility model and that the general principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model, and therefore the utility model is not to be limited to the embodiments shown herein, but is to be accorded the full scope of the utility model as defined by the appended claims.

Claims (8)

1. The checking device for the polygonal detection equipment of the wheels of the railway locomotive is characterized by comprising 2 wheel cakes and 1 axle, wherein the wheel cakes are provided with a plurality of regular manually processed tread defects, and the axle is used for fixedly connecting the wheel cakes and enabling the wheel cakes to rotate so as to check the polygonal detection equipment of the wheels.

2. The checking device for a railroad rolling stock wheel polygon detection apparatus of claim 1, wherein the wheel cake defect and the shaft hole diameter jump are both less than 0.05mm.

3. The checking device for a railway rolling stock wheel polygon detection apparatus according to claim 2, wherein the tread of the wheel cake is artificially processed with a plurality of regular tread defects on one circumference, and the radial radius size of the wheel cake tread is changed so that the tread has a polygonal order with a fixed protrusion, thereby causing uniform periodic radial wheel diameter variation on the tread circumference of the whole wheel.

4. A checking apparatus for a railroad rolling stock wheel polygon detection apparatus as set forth in any one of claims 1-3, wherein the depth and extent of each tread defect is uniform.

5. The checking apparatus for a railroad rolling stock wheel polygon detection apparatus, as set forth in claim 4, wherein the tread defect has a depth of: 0.04-0.7 mm;

The tread defect range: in the axial direction, the outer side surface of the wheel cake rim of the wheel reaches the root of the rim; in the circumferential direction: and (3) cutting an arc according to the depth of the tread defect in a straight line to obtain a chord length value, wherein the arc length is larger than the chord length value, and the arc lengths of the tread defects are the same value.

6. The checking device for a railroad rolling stock wheel polygon detection apparatus of claim 5, wherein the tread defect has a depth of: 0.2-0.5 mm.

7. A checking apparatus for a railway rolling stock wheel polygon detection apparatus according to any one of claims 1 to 3, wherein each tread defect is uniformly distributed along the tread circumference.

8. A checking device for a railway rolling stock wheel polygon detection apparatus according to any one of claims 1 to 3, wherein each of said 2 wheel cakes is provided with a plurality of regular, man-made tread defects.