Train wheel measuring device

Abstract

The utility model discloses a train wheel measuring device which comprises a placing frame, the bottom of the placing frame is provided with an opening, the top wall of the placing frame is fixedly provided with a rolling contact piece, two side walls are slidably provided with rolling contact pieces and are fixed through locking pieces, and the top of the placing frame is fixedly connected with a connecting plate. A measuring instrument mounting seat is slidably mounted on the connecting plate and fixed through a locking piece, a measuring instrument is detachably mounted on the measuring instrument mounting seat, and a handle is fixedly connected to the top of the placing frame. The train wheel measuring device can quickly measure data such as the diameter and the roundness of the train wheel, and is simple in structure and convenient to use and carry.

Description

Technical Field

[0001] The utility model relates to the technical field of train wheel measurement, in particular to a train wheel measuring device. Background Art

[0002] The detection of train wheel roundness is a key link in ensuring the safety and comfort of train operation. Wheel roundness refers to the circularity of the wheel profile, that is, whether the cross section of the wheel is a perfect circle. If the roundness of the wheel is poor, it may cause increased vibration and noise during train operation, affecting the passenger experience, and may even cause safety accidents in severe cases. Existing train wheel measurements require more professional instruments, which are inconvenient to carry and have high costs. Therefore, a train wheel measuring device is designed to quickly detect the roundness of train wheels, and the device is easy to carry and easy to use. Utility Model Content

[0003] The utility model aims to provide a railway wheel measuring device to solve the problem of railway wheel roundness measurement proposed in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a railway wheel measuring device, comprising a placing frame, the placing frame having an opening at the bottom, and a rolling contact piece fixedly installed on the top wall of the placing frame, rolling contact pieces are slidably installed on two side walls and fixed by locking pieces, a connecting plate is fixedly connected to the top of the placing frame, a measuring instrument mounting seat is slidably installed on the connecting plate and fixed by a locking piece, a measuring instrument is detachably installed on the measuring instrument mounting seat, and a handle is fixedly connected to the top of the placing frame.

[0005] Preferably, the rolling contact member comprises a plug plate, the end of the plug plate is rotatably connected to a roller, the top of the plug plate is fixed to the top wall of the placement frame, and the side wall of the plug plate is slidably connected to the side wall of the placement frame.

[0006] Preferably, the measuring instrument mounting base comprises a plate body, and a slot one and a slot two are provided on the plate body, the measuring instrument is plugged into the slot one, and the top of the connecting plate is plugged into the slot two.

[0007] Preferably, the locking member is a locking screw.

[0008] Preferably, a scale bar is provided on the front side of the connecting plate.

[0009] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0010] The utility model discloses a train wheel measuring device, which can quickly measure data such as the diameter and roundness of the train wheel, and the device has a simple structure and is convenient to use and carry. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is the working principle diagram of the utility model;

[0012] Figure 2 This is a front view of the utility model;

[0013] Figure 3 This is a back view of the utility model;

[0014] Figure 4 It is a schematic diagram of the structure of the measuring instrument mounting base in the utility model.

[0015] In the figure: 1. placement frame; 2. connecting plate; 3. handle; 4. plug-in plate; 5. roller; 6. measuring instrument mounting seat; 61. plate body; 62. slot one; 63. slot two; 7. measuring instrument. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] See also Figure 1-4 A train wheel measuring device comprises a placing frame 1, the placing frame 1 is provided with an opening at the bottom, and a rolling contact piece is fixedly installed on the top wall of the placing frame 1, and the rolling contact pieces are slidably installed on the two side walls and fixed by locking pieces, a connecting plate 2 is fixedly connected to the top of the placing frame 1, a measuring instrument mounting seat 6 is slidably installed on the connecting plate 2 and fixed by a locking piece, a measuring instrument 7 is detachably installed on the measuring instrument mounting seat 6, a handle 3 is fixedly connected to the top of the placing frame 1, the handle 3 is grasped to place the placing frame 1 on the train wheel connecting shaft, the position of the rolling contact piece is adjusted to make it contact with the train wheel connecting shaft, and the train wheel is placed on a rolling table and rolls.

[0018] Specifically, the rolling contact member includes a plug plate 4, the end of which is rotatably connected to a roller 5, the top plug plate 4 is fixed to the top wall of the placement frame 1, and the side wall plug plate 4 is slidably connected to the side wall of the placement frame 1.

[0019] The measuring instrument mounting seat 6 includes a plate body 61, on which a slot 1 62 and a slot 2 63 are provided. The measuring instrument 7 is inserted into the slot 1 62, and the top of the connecting plate 2 is inserted into the slot 2 63. This structure facilitates the adjustment of the height of the measuring instrument mounting seat 6, and also facilitates the installation and removal of the measuring instrument. A scale bar is provided on the front of the connecting plate 2, and the height can be easily controlled by comparing with the scale bar.

[0020] The preferred locking member is a locking screw, which is fixed by tightening.

[0021] Working principle: When using the railway wheel measuring device of the utility model, grasp the handle 3 to place the placement frame 1 on the railway wheel connecting shaft, adjust the position of the rolling contact piece to make it contact with the railway wheel connecting shaft, place the railway wheel on the rolling table and roll it. When the railway wheel rotates, the measuring end of the measuring instrument 7 is against the surface of the railway wheel, and the diameter of different positions of a circle of the railway wheel can be measured, thereby measuring the roundness of the railway wheel. Alternatively, the device can be rotated with the railway wheel connecting shaft as the axis to measure the roundness of the railway wheel.

[0022] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A railway wheel measuring device, comprising a placement frame (1), characterized in that: The placement frame (1) is provided with an opening at the bottom, and a rolling contact piece is fixedly mounted on the top wall of the placement frame (1), and rolling contact pieces are slidably mounted on two side walls and fixed by locking pieces. A connecting plate (2) is fixedly connected to the top of the placement frame (1), a measuring instrument mounting seat (6) is slidably mounted on the connecting plate (2) and fixed by a locking piece, a measuring instrument (7) is detachably mounted on the measuring instrument mounting seat (6), and a handle (3) is fixedly connected to the top of the placement frame (1).

2. A railway wheel measuring device according to claim 1, characterized in that: The rolling contact element comprises a plug plate (4), the end of which is rotatably connected to a roller (5), the top of the plug plate (4) and the top wall of the placement frame (1) are fixed, and the side of the plug plate (4) and the side wall of the placement frame (1) are slidably connected.

3. A railway wheel measuring device according to claim 2, characterized in that: The measuring instrument mounting seat (6) comprises a plate body (61), the plate body (61) being provided with a first slot (62) and a second slot (63), the measuring instrument (7) being inserted into the first slot (62), and the top of the connecting plate (2) being inserted into the second slot (63).

4. A railway wheel measuring device according to claim 3, characterized in that: The locking piece is a locking screw.

5. The railway wheel measuring device according to claim 1, characterized in that: The front side of the connecting plate (2) is provided with a scale bar.

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