Rail transit vehicle rim abrasion measuring instrument

Abstract

The utility model relates to the technical field of wheel detection, in particular to a rim abrasion measuring instrument for a rail transit vehicle. Comprising a straight ruler, a base ruler, a rotating mechanism and an adjusting mechanism, the adjusting mechanism comprises an adjusting seat, a sliding block, a guide column, a threaded knob, a reference table and a circumferential wear measuring ruler, and when the position of the circumferential wear measuring ruler needs to be adjusted so that multiple point positions of a rim area can be completely detected, firstly, the threaded knob is unscrewed; and then the circumferential wear measuring scale can be directly pulled to move to drive the sliding block to move for position adjustment, and after adjustment is completed, the threaded knob is screwed to carry out detection again, so that the problem that an existing wheel detection tool cannot carry out complete point position detection on a wheel flange area when carrying out wheel flange wear detection can be solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a wheel detection technical field, especially a kind of rail transit vehicle wheel flange abrasion measuring instrument. BACKGROUND

[0002] The wheel flange of rail transit vehicle is worn after a period of work, so it needs to be detected, and the prior art CN215217436U discloses a railway locomotive vehicle wheel detection tool, which belongs to the technical field of wheel detection. The structure includes a ruler, a ruler is provided on the base for measuring the thickness of the brake shoe and the mutual hook difference; the base is also provided with a clamping groove, and a wheel flange thickness measuring ruler for measuring the thickness of the wheel flange is horizontally slidably arranged on one side of the clamping groove; the base is also slidably provided with a circumferential wear measuring ruler for measuring the circumferential wear of the wheel, and the sliding direction of the circumferential wear measuring ruler is consistent with the opening direction of the clamping groove; the base is also provided with a tread wear measuring block for measuring whether the tread wear of the wheel is out of limit, and the tread wear measuring block is located on the side of the base away from the opening of the clamping groove. The utility model has the advantages of simple structure, convenient operation, easy processing and portability.

[0003] However, the above-mentioned tool has the following problems in actual use: the wheel flange area is not a single point area, and the circumferential wear measuring ruler of the above-mentioned tool can only slide vertically, so it cannot completely detect the wheel flange area, which is inconvenient to use. UTILITY MODEL CONTENTS

[0004] The utility model aims to provide a kind of rail transit vehicle wheel flange abrasion measuring instrument, to solve the problem that the wheel detection tool of prior art cannot completely detect the wheel flange area when detecting the wheel flange wear.

[0005] To achieve the above-mentioned purpose, the utility model provides a kind of rail transit vehicle wheel flange abrasion measuring instrument, including ruler and base, the base is rotatably installed on the one side of the ruler by rotating mechanism, and further including adjusting mechanism;

[0006] The adjusting mechanism includes adjusting seat, sliding block, guide column, screw knob, reference table and circumferential wear measuring ruler, the adjusting seat is detachably connected with the base, and located on the side of the base away from the ruler, the sliding block is arranged in the cavity of the adjusting seat, and vertically provided with sliding cavity for the vertical sliding of the circumferential wear measuring ruler, the guide column is integrally formed with the sliding block, and is slidably connected with the adjusting slot on the adjusting seat, the screw knob is threadedly connected with the stepped outer thread end portion of the guide column, and abuts on the adjusting seat, the reference table is detachably connected with the base, and is slidably connected with the circumferential wear measuring ruler, and located below the adjusting seat.

[0007] The rotating mechanism comprises a T-shaped pin and a locking wire ring, the T-shaped pin is detachably connected with the ruler and the base ruler respectively and is located on the side of the ruler close to the base ruler, and the locking wire ring is threadedly connected with the T-shaped pin and abuts on the base ruler.

[0008] The ruler and the base ruler are respectively provided with 90° alignment lines.

[0009] The gap cavity between the ruler and the base ruler can just accommodate the adjusting mechanism after the rotation of the ruler and the base ruler.

[0010] The adjusting mechanism further comprises a guide pin, the guide pin is threadedly connected with the sliding block and can linearly slide in the guide sliding groove of the adjusting seat.

[0011] The rail transit vehicle wheel rim abrasion measuring instrument of the utility model, when detecting, first, the ruler and the base ruler are rotated to the position of 90° to each other, then, the detection personnel adhere the ruler to the one side end surface of the wheel, and make the circumferential abrasion measuring ruler be located above the wheel rim area, then, pull the circumferential abrasion measuring ruler vertically, make its bottom detection reference part contact with the wheel rim detection point, then, carry out numerical observation through the alignment of the bottom edge of the reference platform and the engraved line on the circumferential abrasion measuring ruler, thereby complete the detection, when needing to adjust the position of the circumferential abrasion measuring ruler to completely detect multiple point positions of the wheel rim area, first, unscrew the threaded knob, then, directly pull the circumferential abrasion measuring ruler to move, which can drive the sliding block to move to adjust the position, after the adjustment is completed, tighten the threaded knob to detect again, thereby can solve the problem that the existing wheel detection tool cannot completely detect the point position of the wheel rim area when detecting the wheel rim abrasion. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced.

[0013] Figure 1 It is the overall structure schematic diagram of the rail transit vehicle wheel rim abrasion measuring instrument of the first embodiment of the utility model.

[0014] Figure 2 It is the structure schematic diagram of the adjusting seat of the first embodiment of the utility model.

[0015] Figure 3 It is the installation position schematic diagram of the locking wire ring of the first embodiment of the utility model.

[0016] Figure 4 It is the overall structure schematic diagram of the rail transit vehicle wheel rim abrasion measuring instrument of the second embodiment of the utility model.

[0017] Figure 5 This is the second embodiment of the present utility model. Figure 4 Enlarged view of point A in the middle.

[0018] In the diagram: 101-ruler, 102-base ruler, 103-adjusting seat, 104-slider, 105-guide post, 106-threaded knob, 107-reference platform, 108-circumferential wear measuring ruler, 109-T-pin, 110-locking screw ring, 111-90° alignment line, 201-guide pin. Detailed Implementation

[0019] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.

[0020] Example 1:

[0021] like Figures 1 to 3 As shown, where Figure 1 This is a schematic diagram of the overall structure of a wheel flange wear measuring instrument for rail transit vehicles. Figure 2 This is a schematic diagram of the structure of the adjusting seat 103. Figure 3 This is a schematic diagram of the installation position of the locking screw ring 110. This utility model provides a wheel flange wear measuring instrument for rail transit vehicles: it includes a ruler 101, a base ruler 102, a rotating mechanism, and an adjusting mechanism. The adjusting mechanism includes an adjusting seat 103, a slider 104, a guide post 105, a threaded knob 106, a reference platform 107, and a circumferential wear measuring ruler 108. The rotating mechanism includes a T-pin 109 and a locking screw ring 110. This solution solves the problem that existing wheel inspection tools cannot perform complete point-to-point detection of the wheel flange area when performing wheel flange wear detection. It is understood that the aforementioned solution facilitates complete point-to-point detection of the wheel flange area.

[0022] In this embodiment, the base ruler 102 is rotatably mounted on one side of the ruler 101 via a rotating mechanism, that is, the base ruler 102 can be installed and rotated during operation via the rotating mechanism.

[0023] The adjusting seat 103 is detachably connected with the base ruler 102 and located on the side of the base ruler 102 away from the straight ruler 101, the sliding block 104 is arranged in the cavity of the adjusting seat 103 and vertically provided with a sliding cavity for vertical sliding of the circumferential wear measuring ruler 108, the guide column 105 is integrally formed with the sliding block 104 and slidably matched with the adjusting sliding groove on the adjusting seat 103, the threaded knob 106 is threadedly connected with the stepped outer thread end of the guide column 105 and abuts against the adjusting seat 103, and the reference table 107 is detachably connected with the base ruler 102 and slidably connected with the circumferential wear measuring ruler 108 and located below the adjusting seat 103. The adjusting seat 103 is pulled and fastened on the base ruler 102 by means of the countersunk head bolt, the sliding block 104 is arranged in the cavity of the adjusting seat 103 and vertically provided with a sliding cavity for vertical sliding of the circumferential wear measuring ruler 108, the circumferential wear measuring ruler 108 is L-shaped, convenient to pull and directly taken off from the sliding block 104, the guide column 105 is integrally formed with the sliding block 104, the optical axis end thereof is slidably matched with the adjusting sliding groove on the adjusting seat 103, the stepped outer thread end on the optical axis end is used for mounting of the threaded knob 106 after passing through the adjusting sliding groove, and the reference table 107 is pulled and fastened on the base ruler 102 by means of the countersunk head bolt and used for numerical observation in cooperation with the circumferential wear measuring ruler 108.

[0024] Secondly, the T-shaped pin 109 is detachably connected with the straight ruler 101 and the base ruler 102 and located on the side of the straight ruler 101 close to the base ruler 102, and the locking wire ring 110 is threadedly connected with the T-shaped pin 109 and abuts against the base ruler 102. Through holes are arranged on the mounting heads of the straight ruler 101 and the base ruler 102 respectively and used for cooperation with the round shaft end of the T-shaped pin 109, and the stepped outer thread column on the front side of the round shaft end is used for mounting of the locking wire ring 110.

[0025] Then, the straight ruler 101 and the base ruler 102 are respectively provided with 90° alignment lines 111. The 90° alignment lines 111 are used for facilitating the straight ruler 101 and the base ruler 102 to be arranged at 90° with each other, and when the two 90° alignment lines 111 are aligned, the straight ruler 101 and the base ruler 102 are arranged at 90° with each other, thereby facilitating omission of the step of measuring the included angle between the straight ruler 101 and the base ruler 102 by means of a protractor.

[0026] Finally, after the straight ruler 101 and the base ruler 102 are rotated to coincide, the gap cavity between the straight ruler 101 and the base ruler 102 can just accommodate the adjusting mechanism. The adjusting mechanism is used for facilitating storage when the base ruler 102 is rotated from the horizontal state to the vertical downward state, and the gap cavity between the straight ruler 101 and the base ruler 102 does not block the adjusting mechanism, thereby facilitating storage.

[0027] When the problem that the existing wheel detection tool cannot completely detect the point position of the wheel flange area during the wheel flange wear detection is solved by using the utility model, during the detection, first, the ruler 101 and the base ruler 102 are rotated to the position of 90° with each other, the 90° alignment line 111 can be directly observed for quick alignment during the alignment, then, the detection personnel attach the ruler 101 to the one side end surface of the wheel, and make the circumferential wear measuring scale 108 be above the wheel flange area, then, the circumferential wear measuring scale 108 is pulled vertically to make the bottom detection reference part contact the wheel flange detection point, then, the value is observed by aligning the bottom edge of the reference table 107 with the engraved line on the circumferential wear measuring scale 108, so that the detection is completed, when the position of the circumferential wear measuring scale 108 needs to be adjusted to completely detect multiple point positions of the wheel flange area, first, the threaded knob 106 is loosened, then the circumferential wear measuring scale 108 can be directly pulled to move, which can drive the slider 104 to move to adjust the position, after the adjustment is completed, the threaded knob 106 is tightened to detect again, thereby the problem that the existing wheel detection tool cannot completely detect the point position of the wheel flange area during the wheel flange wear detection can be solved.

[0028] Embodiment two:

[0029] As shown in Figure 4 and Figure 5 , wherein Figure 4 is the overall structure schematic diagram of the rail transit vehicle wheel flange wear measuring instrument, Figure 5 is Figure 4 the enlarged view of A, on the basis of the first embodiment, the utility model provides a kind of rail transit vehicle wheel flange wear measuring instrument, the adjusting mechanism further includes guide pin 201, the guide pin 201 is connected with the slider 104 by screw thread, and can be linearly slid in the guide sliding groove of the adjusting seat 103.

[0030] In the embodiment, the round shaft end of the guide pin 201 is directly slidably matched with the guide sliding groove on the adjusting seat 103, an outer thread step portion is arranged on the front side of the guide pin 201 for being installed on the slider 104, simultaneously, the guide pin 201 is installed or disassembled by hexagonal wrench rotation, the stability of the slider 104 sliding can be improved by the guide pin 201.

[0031] The above disclosed is only one or more preferred embodiments of the present application, which cannot limit the scope of the present application, and those skilled in the art can understand that all or part of the above-mentioned embodiments can be implemented, and equivalent changes made according to the claims of the present application still belong to the scope covered by the present application.

Claims

1. A rail transit vehicle wheel rim wear measuring instrument comprising a ruler and a base ruler, the base ruler being rotatably installed on one side of the ruler by a rotating mechanism, characterized in that: It further comprises an adjusting mechanism; The adjusting mechanism comprises an adjusting seat, a sliding block, a guide column, a threaded knob, a reference table and a circumferential wear measuring ruler, the adjusting seat is detachably connected with the base ruler and located on the side of the base ruler away from the ruler, the sliding block is arranged in the cavity of the adjusting seat and vertically provided with a sliding cavity for vertical sliding of the circumferential wear measuring ruler, the guide column is integrally formed with the sliding block and slidably matched with the adjusting sliding groove on the adjusting seat, the threaded knob is threadedly connected with the stepped outer threaded end of the guide column and abuts against the adjusting seat, the reference table is detachably connected with the base ruler and slidably connected with the circumferential wear measuring ruler and located below the adjusting seat.

2. The rail transit vehicle wheel rim wear measuring instrument according to claim 1, characterized in that: The rotating mechanism comprises a T-shaped pin and a locking wire ring, the T-shaped pin is detachably connected with the ruler and the base ruler respectively and located on the side of the ruler close to the base ruler, and the locking wire ring is threadedly connected with the T-shaped pin and abuts against the base ruler.

3. The rail transit vehicle wheel rim wear measuring instrument according to claim 1, characterized in that: The ruler and the base ruler are respectively provided with 90° alignment lines.

4. The rail transit vehicle wheel rim wear measuring instrument according to claim 3, characterized in that: After the ruler and the base ruler are rotated to coincide, the gap cavity between the ruler and the base ruler can just accommodate the adjusting mechanism.

5. The rail vehicle wheel flange abrasion measuring instrument of claim 1, wherein : The adjusting mechanism further comprises a guide pin, the guide pin is threadedly connected with the sliding block and can linearly slide in the guide sliding groove of the adjusting seat.

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