Railway wheel set wheel tread radial and end face runout measuring device

Abstract

The utility model relates to a railway wheel set wheel tread radial and end face run-out measuring device which comprises an inverted V-shaped seat, a vertical ruler sleeve, a vertical ruler, a transverse ruler, a radial run-out dial gauge, a radial run-out measuring wheel, an end face run-out gauge seat, an end face run-out dial gauge, an end face run-out measuring wheel, a shaft end positioning transverse sliding ruler, a shaft end positioning assembly and a shaft shoulder positioning assembly. The vertical ruler sleeve is connected with the top end of the inverted-V-shaped seat, the vertical ruler is connected in the vertical ruler sleeve, the transverse ruler is vertically connected with the upper end of the vertical ruler, the radial run-out dial gauge is connected to the transverse ruler, the end face run-out gauge seat is connected to the tail end of the transverse ruler, and the end face run-out dial gauge is connected to the end face run-out gauge seat. The shaft end positioning transverse sliding rule is installed in a sliding hole of the inverted-V-shaped base, the two ends of the shaft end positioning transverse sliding rule protrude out of the two sides of the inverted-V-shaped base respectively, and the shaft end positioning assembly and the shaft shoulder positioning assembly are connected to the two ends of the shaft end positioning transverse sliding rule respectively. The device can rapidly and accurately measure the radial and end face runout values of the wheel tread, and is high in measurement efficiency.

Description

Technical Field

[0001] The utility model relates to a measuring instrument, in particular to a measuring device capable of measuring the radial and end face runout dimensions of a wheel tread of a railway wheel set. Background Art

[0002] The tread of a railway wheel refers to the contact part between the wheel and the working surface of the rail. In order to make the wheelset run smoothly on the rail, pass through curves smoothly, reduce wheel wear, and extend the mileage of the wheel, the tread should have a reasonable shape, so the tread needs to be measured. When testing the wheel tread runout in my country's railway vehicle industry, the vehicle wheel set wheel tread runout measuring instrument (TB / T2456.8-1993) can be used. Although this measuring instrument can realize the detection function, it requires two people to cooperate in operation, one person holding the measuring instrument and the other person pushing the wheel to rotate, which wastes manpower and has low work efficiency. It cannot measure the radial and end face runout values ​​of the tread at the same time. Summary of the invention

[0003] The purpose of the utility model is to provide a railway wheelset wheel tread radial and end face runout measuring device in view of the defects of the above-mentioned prior art, which can quickly and accurately measure the wheel tread radial and end face runout values ​​with high measurement efficiency.

[0004] The utility model adopts the following technical scheme to achieve the above-mentioned purpose: a railway wheel set wheel tread radial and end face runout measuring device, comprising an inverted V-shaped seat, a vertical ruler sleeve, a vertical ruler, a horizontal ruler, a radial runout indicator, a radial runout measuring wheel, an end face runout table seat, an end face runout indicator, an end face runout measuring wheel, a shaft end positioning transverse slide ruler, a shaft end positioning assembly and a shaft shoulder positioning assembly, wherein the inverted V-shaped seat is an overall inverted V-shaped positioning frame, the vertical ruler sleeve is connected to the top of the inverted V-shaped seat and extends upward in the vertical direction, the vertical ruler is connected to the vertical ruler sleeve by a vertical ruler locking screw, the horizontal ruler is vertically connected to the upper end of the vertical ruler and extends horizontally to one side, the radial runout indicator is connected to the horizontal ruler with the measuring needle facing downward by the indicator locking screw, and the radial runout indicator is connected to the horizontal ruler with the measuring needle facing downward. The movable measuring wheel is connected to the end of the measuring needle of the radial runout indicator, the end face runout indicator seat is connected to the end of the horizontal scale away from the vertical scale and extends vertically downward, the end face runout indicator is connected to the end face runout indicator seat through the indicator locking screw, and the measuring needle of the end face runout indicator extends vertically toward the side where the vertical scale is located, the end face runout measuring wheel is connected to the end of the measuring needle of the end face runout indicator, a sliding hole is provided in the middle of the inverted V-shaped seat, the shaft end positioning transverse slide is installed in the sliding hole of the inverted V-shaped seat through the locking screw and the two ends protrude from the two sides of the inverted V-shaped seat respectively, the shaft end positioning assembly is vertically connected to the lower side of one end of the shaft end positioning transverse slide away from the end face runout indicator seat, and the shaft shoulder positioning assembly is vertically connected to one end of the shaft end positioning transverse slide close to the end face runout indicator seat.

[0005] A further technical solution of the utility model is: the inverted V-shaped seat includes two inverted V-shaped positioning frames arranged side by side, a handle is connected between the middle parts of the upper sides of the two inverted V-shaped positioning frames, the two inverted V-shaped positioning frames are connected by the handle to form an integral structure, and the vertical ruler sleeve is connected to the upper end of the middle part of one of the inverted V-shaped positioning frames.

[0006] A further technical solution of the utility model is: the bottom ends of the inverted V-shaped positioning frame are respectively connected with supporting feet extending downward, and balancing blocks are connected between adjacent supporting feet.

[0007] A further technical solution of the utility model is: the sliding holes horizontally penetrate the middle positions of the two inverted V-shaped positioning frames respectively, and the shaft end positioning transverse sliding ruler is assembled in the sliding holes and the two ends protrude from the outside of the two inverted V-shaped positioning frames respectively.

[0008] A further technical solution of the utility model is: each inverted V-shaped positioning frame comprises two inclined positioning arms, two symmetrically arranged guide rods are connected between the positioning arms of adjacent inverted V-shaped positioning frames, and each guide rod is sleeved with two journal positioning wheels.

[0009] A further technical solution of the utility model is: the shaft end positioning assembly includes a shaft end positioning longitudinal slide and a shaft end positioning wheel, the shaft end positioning longitudinal slide is connected to the lower side of the shaft end positioning transverse slide away from one end of the end face runout table seat through a locking screw, and the shaft end positioning wheel is connected to the bottom end of the shaft end positioning longitudinal slide.

[0010] A further technical solution of the utility model is: the shoulder positioning assembly includes a shoulder positioning vertical ruler and a shoulder positioning wheel, the shoulder positioning vertical ruler is connected to the end of the shaft end positioning transverse slide close to one end of the end face runout table seat through a locking screw, and the shoulder positioning wheel is connected to the bottom end of the shoulder positioning vertical ruler.

[0011] A further technical solution of the utility model is that a tread surface positioning claw is connected to the lower side of one end of the horizontal ruler close to the end face runout meter seat, and the tread surface positioning claw is a foldable positioning claw that can be folded upward.

[0012] The utility model railway wheel set wheel tread radial and end face runout measuring device has the following beneficial effects: 1. A radial runout indicator is arranged on the horizontal ruler, the front end of the horizontal ruler is connected to the end face runout indicator seat and the end face runout indicator is installed, so that the radial runout and end face runout values ​​can be measured simultaneously, and the measuring efficiency is high; 2. Due to the arrangement of an inverted V-shaped seat that can be quickly and stably positioned on the journal, a balancing block is connected to the lower side of the inverted V-shaped seat support foot, and the inverted V-shaped seat is sleeved on the journal. Under the action of the gravity of the balancing block, the inverted V-shaped seat can be stably fitted on the journal surface, and the measuring process only requires rotating the wheels of the wheelset for one circle to quickly read the radial runout value, and the operation is convenient, the stability is good, and the measuring accuracy is high; 3. One end of the axle end positioning transverse sliding ruler is connected to the axle end positioning component, and the other end is connected to the axle shoulder positioning component, so that the axle with or without a shoulder can be quickly measured, and the versatility is strong.

[0013] The following is a further description of the railway wheelset wheel tread radial and end face runout measuring device of the present invention in conjunction with the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of a device for measuring the radial and end face runout of a wheel tread of a railway wheelset according to the utility model;

[0015] Figure 2 yes Figure 1 Right side view of the measuring device shown (shoulder locating assembly omitted);

[0016] Figure 3 yes Figure 1 An enlarged view of the inverted V-shaped seat of the measuring device shown and the parts connected thereto;

[0017] Figure 4 yes Figure 1 An enlarged view of the crossbar of the measuring device shown and the parts to which it is connected;

[0018] Figure 5 It is a schematic diagram of using the measuring device of the utility model to measure the radial and end runout of the wheel tread of a railway wheel set;

[0019] Figure 6 yes Figure 5 A partial enlarged view of

[0020] Explanation of the accompanying numbers: 1-shaft end locating wheel, 2-shaft end locating longitudinal slide, 3-locking screw, 4-shaft end locating transverse slide, 5-handle, 6-vertical ruler sleeve, 7-vertical ruler locking screw, 8-vertical ruler, 9-horizontal ruler, 10-radial runout indicator, 11-indicator locking screw, 12-radial runout measuring wheel, 13-tread locating claw, 14-end face runout table seat, 15-end face runout indicator, 16-end face runout measuring wheel, 17-shoulder locating vertical ruler, 18-guide rod, 19-shoulder locating wheel, 20-axle neck locating wheel, 21-support foot, 22-balance block, 23-inverted V-shaped seat, 24-inverted V-shaped positioning frame, 25-locating arm, 26-tread, 27-axle neck, 28-inside side of wheel, 29-wheel. DETAILED DESCRIPTION

[0021] like Figures 1 to 4 As shown, the utility model railway wheel set wheel tread radial and end face runout measuring device comprises an inverted V-shaped seat 23, a vertical ruler sleeve 6, a vertical ruler 8, a horizontal ruler 9, a radial runout indicator 10, a radial runout measuring wheel 12, an end face runout table seat 14, an end face runout indicator 15, an end face runout measuring wheel 16, an axle end positioning transverse slide 4, an axle end positioning assembly and an axle shoulder positioning assembly.

[0022] like Figure 1 , Figure 2 As shown, the inverted V-shaped seat 23 is an overall inverted V-shaped positioning frame. In this embodiment, the inverted V-shaped seat 23 includes two inverted V-shaped positioning frames 24 arranged side by side, and the two inverted V-shaped positioning frames 24 are arranged parallel to each other. A handle 5 is connected between the middle parts of the upper sides of the two inverted V-shaped positioning frames 24, and the two inverted V-shaped positioning frames 24 are connected to form an integral structure through the handle 5. The carrying handle 5 can lift the measuring device as a whole. Each inverted V-shaped positioning frame 24 includes two inclined positioning arms 25, and two symmetrically arranged guide rods 18 are connected between the positioning arms 25 of adjacent inverted V-shaped positioning frames 24, that is, a guide rod 18 is connected between the positioning arms 25 on each side, and the guide rods 18 of the positioning arms 25 on both sides are symmetrically arranged. Two journal positioning wheels 20 are sleeved on each guide rod 18. The journal positioning wheel 20 can be positioned on the surface of the journal 27 during measurement. The journal positioning wheel 20 is set to rotate the wheel pair more smoothly during measurement. The bottom ends of the inverted V-shaped positioning frames 24 are respectively connected to downwardly extending support feet 21, the upper ends of the support feet 21 are connected to the lower ends of each positioning arm 25, and balancing blocks 22 are connected between adjacent support feet 21, wherein the balancing blocks 22 are connected both between the support feet 21 at the bottom end of the same inverted V-shaped positioning frame 24 and between the support feet 21 at the bottom ends of adjacent inverted V-shaped positioning frames 24, and the balancing blocks 22 can balance the overall weight of the measuring device on the inverted V-shaped seat 23.

[0023] like Figure 1 , Figure 3As shown, a sliding hole is provided in the middle of the inverted V-shaped seat 23, and the shaft end positioning transverse slide 4 is installed in the sliding hole of the inverted V-shaped seat 23 through the locking screw 3, and the two ends protrude from the two sides of the inverted V-shaped seat 23. In this embodiment, the sliding holes horizontally penetrate the middle positions of the two inverted V-shaped positioning frames 24, and the shaft end positioning transverse slide 4 is assembled in the sliding hole, and the two ends protrude from the outside of the two inverted V-shaped positioning frames 24, respectively. The position of the shaft end positioning transverse slide 4 in the sliding hole can be adjusted by adjusting the locking screw 3. The shaft end positioning assembly is vertically connected to the lower side of the end of the shaft end positioning transverse slide 4 away from the end face runout meter seat 14, and the shaft shoulder positioning assembly is vertically connected to the end of the shaft end positioning transverse slide 4 close to the end face runout meter seat 14. The shaft end positioning assembly includes a shaft end positioning longitudinal slider 2 and a shaft end positioning wheel 1. The shaft end positioning longitudinal slider 2 is connected to the lower side of the shaft end positioning transverse slider 4 away from one end of the end face runout meter seat 14 through a locking screw 3. The locking screw 3 can adjust the position of the shaft end positioning longitudinal slider 2 in the vertical direction. The shaft end positioning wheel 1 is connected to the bottom end of the shaft end positioning longitudinal slider 2. The surface of the shaft end positioning wheel 1 can be mutually positioned with the shaft end surface. The shoulder positioning assembly includes a shoulder positioning vertical ruler 17 and a shoulder positioning wheel 19. The shoulder positioning vertical ruler 17 is connected to the end of the shaft end positioning transverse slider 4 close to one end of the end face runout meter seat 14 through a locking screw. The locking screw 3 can adjust the position of the shoulder positioning vertical ruler 17 in the vertical direction. The shoulder positioning wheel 19 is connected to the bottom end of the shoulder positioning vertical ruler 17. The shoulder positioning wheel 19 is used to mutually position with the shoulder surface. The axle end positioning transverse slide ruler 4 can slide back and forth in the sliding hole of the inverted V-shaped seat 23 and be locked by the locking screw 3. If the measured wheelset has an axle shoulder, the axle shoulder positioning wheel 19 is used to position the axle shoulder relative to the axle shoulder. If the measured wheelset has no axle shoulder, the axle end positioning wheel 1 is used to position the axle end relative to the axle shoulder.

[0024] like Figures 1 to 4 As shown, the vertical ruler sleeve 6 is connected to the top of the inverted V-shaped seat 23 and extends upward in the vertical direction, wherein the vertical ruler sleeve 6 is connected to the middle upper end of one of the inverted V-shaped positioning frames 24. In this embodiment, as shown in FIG. Figure 1As shown, the vertical ruler sleeve 6 is connected to the upper end of the middle part of the inverted V-shaped positioning frame 24 located on the right side. The vertical ruler 8 is connected to the vertical ruler sleeve 6 by the vertical ruler locking screw 7, and the height of the vertical ruler 8 can be adjusted by the vertical ruler locking screw 7. The horizontal ruler 9 is vertically connected to the upper end of the vertical ruler 8 and extends horizontally to one side. The radial runout indicator 10 is connected to the horizontal ruler 9 with the measuring needle facing downward by the indicator locking screw 11, and the radial runout measuring wheel 12 is connected to the measuring needle end of the radial runout indicator 10. The lower side of one end of the horizontal ruler 9 close to the end face runout meter seat 14 is connected to the tread positioning claw 13, which is a foldable positioning claw that can be folded upward. The tread positioning claw 13 can be positioned on the tread 26 before measurement, and the tread positioning claw 13 can be folded during measurement. The end face runout meter base 14 is connected to the end of the horizontal scale 9 away from the vertical scale 8 and extends vertically downward. The end face runout indicator 15 is connected to the end face runout meter base 14 through the indicator locking screw 11. The measuring needle of the end face runout indicator extends vertically toward the side where the vertical scale 8 is located. The end face runout measuring wheel 16 is connected to the end of the measuring needle of the end face runout indicator 15.

[0025] The measurement method using the above-mentioned railway wheel set wheel tread radial and end face runout measuring device is as follows: Figure 5 , 6As shown, the method comprises the following steps: (i) firstly installing the radial runout indicator 10 on the horizontal ruler 9, installing the end runout indicator 15 on the end runout indicator seat 14, and sleeve the inverted V-shaped seat 23 of the measuring device on the wheelset journal 27: the inverted V-shaped positioning frame 24 is positioned on the upper side of the wheelset journal 27, the support feet 21 are positioned on the outer edges of both sides of the wheelset journal 27, and the balance block 22 is located on the lower side of the wheelset journal 27. Under the weight of the balance block 22, the inverted V-shaped seat 23 is The inner journal positioning wheel 20 can be in close contact with the surface of the journal 27; (ii) Move the measuring device to make the tread positioning claw 13 contact the tread 26. If the axle has no shoulder, push the axle end positioning transverse slide 4 to make the axle end positioning wheel 1 contact the axle end, adjust the axle end positioning longitudinal slide 2 up and down to a suitable position and lock the locking screw; if the axle has a shoulder, push the axle end positioning transverse slide 4 to make the axle shoulder positioning wheel 19 contact the axle shoulder, and adjust the axle shoulder positioning vertical ruler 17 up and down to a suitable position. The embodiment is to measure the wheel axle with a shoulder, so according to the shoulder, the axle end positioning transverse slide 4 is pushed inward to make the shoulder positioning wheel 19 contact the axle shoulder, the shoulder positioning vertical ruler 17 is adjusted up and down to a suitable position (the shoulder positioning wheel 19 can be stably against the shoulder surface) and the locking screw 3 is locked; (iii) the height of the vertical ruler 8 is adjusted to make the radial runout measuring wheel 12 contact the wheelset tread 26, and the vertical ruler locking screw 7 is locked to clear the radial runout indicator 10; the end face runout indicator 15 is adjusted to make the end face runout measuring wheel 16 contact the inner side 28 of the wheel, and the end face runout indicator 15 is locked to clear the value of the end face runout indicator 15, and the tread positioning claw 1390 degrees is rotated to fold it and then separate it from the tread 26; (iv) the wheelset wheel 29 is rotated one circle, the radial runout amount is read from the radial runout indicator, and the end face runout amount is read from the end face runout indicator 15.

[0026] The above embodiments are only preferred embodiments of the present invention. The structure of the present invention is not limited to the forms listed in the above embodiments. Any modifications, equivalent substitutions, 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 device for measuring radial and end runout of a railway wheel set tread, characterized in that: The invention comprises an inverted V-shaped seat (23), a vertical ruler sleeve (6), a vertical ruler (8), a horizontal ruler (9), a radial runout indicator (10), a radial runout measuring wheel (12), an end face runout seat (14), an end face runout indicator (15), an end face runout measuring wheel (16), a shaft end positioning transverse slide ruler (4), a shaft end positioning assembly and a shaft shoulder positioning assembly, wherein the inverted V-shaped seat (23) is an overall inverted V-shaped positioning frame, the vertical ruler sleeve (6) is connected to the top of the inverted V-shaped seat (23) and extends upward in the vertical direction, the vertical ruler (8) is connected to the vertical ruler sleeve (6) through a vertical ruler locking screw (7), the horizontal ruler (9) is vertically connected to the upper end of the vertical ruler (8) and extends horizontally to one side, the radial runout indicator (10) is connected to the horizontal ruler (9) through an indicator locking screw (11) with the measuring needle facing downward, and the radial runout measuring wheel (12) and the radial runout indicator (10) are connected to each other. The end face runout indicator base (14) is connected to the end of the horizontal ruler (9) away from the vertical ruler (8) and extends vertically downward. The end face runout indicator (15) is connected to the end face runout indicator base (14) through the indicator locking screw (11). The measuring needle of the end face runout indicator (15) extends vertically toward the side where the vertical ruler (8) is located. The end face runout measuring wheel (16) is connected to the measuring needle end of the end face runout indicator (15). A sliding hole is provided in the middle of the V-shaped seat (23); the shaft end positioning transverse slide (4) is installed in the sliding hole of the inverted V-shaped seat (23) through a locking screw (3) and the two ends protrude from the two sides of the inverted V-shaped seat (23); the shaft end positioning component is vertically connected to the lower side of the end of the shaft end positioning transverse slide (4) away from the end face runout meter seat (14); the shaft shoulder positioning component is vertically connected to the end of the shaft end positioning transverse slide (4) close to the end face runout meter seat (14).

2. The railway wheel set wheel tread radial and end face runout measuring device as claimed in claim 1, characterized in that: The inverted V-shaped seat (23) comprises two inverted V-shaped positioning frames (24) arranged side by side, a handle (5) is connected between the middle parts of the upper sides of the two inverted V-shaped positioning frames (24), and the two inverted V-shaped positioning frames (24) are connected by the handle (5) to form an integral structure, and the vertical ruler sleeve (6) is connected to the upper end of the middle part of one of the inverted V-shaped positioning frames (24).

3. The railway wheel set wheel tread radial and end face runout measuring device as claimed in claim 2, characterized in that: The bottom ends of the inverted V-shaped positioning frames (24) are respectively connected to downwardly extending support legs (21), and balancing blocks (22) are connected between adjacent support legs (21).

4. The railway wheel set wheel tread radial and end face runout measuring device as claimed in claim 2, characterized in that: The sliding holes horizontally penetrate the middle positions of the two inverted V-shaped positioning frames (24), and the shaft end positioning transverse sliding ruler (4) is assembled in the sliding holes with both ends protruding out of the outside of the two inverted V-shaped positioning frames (24).

5. The railway wheel set wheel tread radial and end face runout measuring device as claimed in claim 2, characterized in that: Each inverted V-shaped positioning frame (24) comprises two inclined positioning arms (25), two symmetrically arranged guide rods (18) are connected between the positioning arms (25) of adjacent inverted V-shaped positioning frames (24), and each guide rod (18) is sleeved with two journal positioning wheels (20).

6. The railway wheel set wheel tread radial and end face runout measuring device as claimed in claim 1, characterized in that: The shaft end positioning assembly comprises a shaft end positioning longitudinal slide (2) and a shaft end positioning wheel (1), wherein the shaft end positioning longitudinal slide (2) is connected to the lower side of the shaft end positioning transverse slide (4) away from one end of the end face runout table seat (14) through a locking screw (3), and the shaft end positioning wheel (1) is connected to the bottom end of the shaft end positioning longitudinal slide (2).

7. The railway wheel set wheel tread radial and end face runout measuring device as claimed in claim 1, characterized in that: The shoulder positioning assembly comprises a shoulder positioning vertical ruler (17) and a shoulder positioning wheel (19), wherein the shoulder positioning vertical ruler (17) is connected to one end of the shaft end positioning transverse slide ruler (4) close to the end face runout table seat (14) through a locking screw (3), and the shoulder positioning wheel (19) is connected to the bottom end of the shoulder positioning vertical ruler (17).

8. The railway wheel set wheel tread radial and end face runout measuring device as claimed in claim 1, characterized in that: The lower side of one end of the horizontal ruler (9) close to the end face runout meter seat (14) is connected with a tread surface positioning claw (13), and the tread surface positioning claw (13) is a foldable positioning claw that can be folded upwards.

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