CN217384152U

CN217384152U - Laser measuring instrument for inner side distance of railway vehicle wheel

Info

Publication number: CN217384152U
Application number: CN202221358790.7U
Authority: CN
Inventors: 詹凌峰; 万里荣; 颜瑞; 尹庆玲; 马春文; 白文涛
Original assignee: Liuzhou Railway Vocational Technical College
Current assignee: Liuzhou Railway Vocational Technical College
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-09-06
Anticipated expiration: 2032-05-31

Abstract

The utility model provides a railway vehicle wheel inboard is apart from laser measuring instrument, include: the device comprises a base body, a positioning device, a limiting device, a laser probe and a starting device; the seat body is clamped on the wheel rim, and one side of the seat body facing the wheel rim is the inner side of the seat body; the positioning device is arranged on the inner side of the seat body, and the limiting device is convexly arranged on the inner side of the seat body; the laser probe is installed on the outer side of the base body, and the starting device is installed on the outer side of the base body and is electrically connected with the laser probe. The utility model discloses a laser rangefinder has overcome traditional manual measurement's drawback, makes measuring result more accurate. Because the utility model discloses a small and exquisite appearance, portable contrasts current measuring device, can avoid bogie bottom most obstacle parts, and the multiple measuring point carries out the inboard side of wheel pair apart from measuring, reduces measuring error.

Description

Laser measuring instrument for inner side distance of railway vehicle wheel

Technical Field

The utility model belongs to the technical field of the rail vehicle technique and specifically relates to a railway vehicle wheel is inboard apart from laser measuring instrument is related to.

Background

The wheels as the running parts of the rail train are easy to wear and cause faults which endanger the safety of the train, so the train must finish the maintenance task according to the maintenance regulations. The inner side distance of the wheels of the train is one of necessary inspection items for wheel set maintenance, however, the inner side distance of the current rail train is measured manually by adopting tools such as calipers, the measurement precision is not enough, and the measuring tools such as the calipers are not convenient to carry.

SUMMERY OF THE UTILITY MODEL

Technical problem to prior art existence, the utility model aims at improving the inboard measuring precision and the portability of side distance in the rail vehicle wheel, on the measurement accuracy's of side distance in guaranteeing the rail vehicle wheel basis, change traditional measuring tool into laser surveying's method, a more small and exquisite more portable's handheld measuring apparatu of a section is provided, contrast current measuring device can avoid bogie bottom most obstacle part, the multiple measuring points carry out the wheel pair interior distance measurement, reduce measuring error, further promote functionality and convenience.

The utility model provides a railway vehicle wheel inboard is apart from laser measuring instrument, include: the device comprises a base body, a positioning device, a limiting device, a laser probe and a starting device; the seat body is clamped on the wheel rim, and one side of the seat body facing the wheel rim is the inner side of the seat body; the positioning device is arranged on the inner side of the seat body, and the limiting device is convexly arranged on the inner side of the seat body; the laser probe is installed on the outer side of the base body, and the starting device is installed on the outer side of the base body and is electrically connected with the laser probe.

Further, the seat body is made of hard plastics.

Further, the shape of the seat body is matched with the wheel rim.

Furthermore, the positioning device is a magnet, and the magnet is embedded in the inner side of the seat body.

Further, the surface of the magnet is flush with the surface of the seat body.

Furthermore, the limiting device is a roller wheel, and the roller wheel is rotatably connected with the base body.

Further, the number of the rollers is 3, and the 3 rollers are respectively arranged at three vertexes of the equilateral triangle.

Further, the distance of the roller protruding the inner side surface of the seat body is 5 mm.

Furthermore, a plurality of reinforcing ribs are uniformly arranged on the outer edge of the seat body.

Further, the starting device is a starting key, and the starting key is electrically connected with the laser probe.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the laser ranging is adopted, so that the defects of the traditional manual measurement are overcome, and the measurement result is more accurate;

2. compared with the existing measuring device, the device can avoid most obstacle parts at the bottom of the bogie, measure the inner side distance of the wheel set at multiple measuring points, and reduce the measuring error;

3. the positioning device is fixed on the inner side surface of the wheel in the measuring process, so that hands can be liberated, and the operation is more convenient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic perspective view of an angle of the laser measuring instrument for measuring the inner side distance of a rail vehicle wheel according to the embodiment of the present invention;

fig. 2 is a schematic perspective view of another angle of the laser measuring instrument for measuring the inner side distance of the vehicle wheel according to the embodiment of the present invention;

fig. 3 is the embodiment of the utility model discloses a vehicle wheel inboard is apart from laser measuring instrument front view.

Description of reference numerals:

1: a base body; 2: a magnet; 3: a roller; 4: a laser probe; 5: the key is actuated.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to fig. 3, the utility model provides a technical solution: a laser measuring instrument for measuring the distance between the inner sides of wheels of a railway vehicle comprises a seat body 1, a positioning device, a limiting device, a laser probe 4 and a starting device. The seat body 1 is clamped on the wheel rim, and one side of the seat body 1 facing the wheel rim is the inner side of the seat body. The positioning device is arranged on the inner side of the base body 1, the limiting device is convexly arranged on the inner side of the base body 1, the laser probe 4 is arranged on the outer side of the base body 1, and the starting device is arranged on the outer side of the base body 1 and is electrically connected with the laser probe 4. The laser probe 4 overcomes the defects of the traditional manual measurement, and the measurement result is more accurate.

In some embodiments, as shown in fig. 1, the seat body 1 is a shell structure made of hard plastic, and the shape of the seat body 1 is adapted to the rim of the wheel, so that the seat body has a good positioning function, sufficient thickness and light overall weight. The preferred thickness of the body 1 is 30 mm.

In some embodiments, as shown in fig. 2, the positioning device is a magnet 2, and the magnet 2 is embedded inside the seat body 1. The surface of the magnet 2 is flush with the surface of the seat body 1. Rely on 2 adsorptions of magnet to fix on the wheel inboard surface in the measurement process, can liberate both hands, make the operation more convenient. Preferably, the magnet 2 is an N40 bar magnet embedded in the housing 1.

In some embodiments, as shown in fig. 3, the position limiting device is a roller 3, and the roller 3 is rotatably connected to the seat body 1. The number of the rollers 3 is 3, and the 3 rollers 3 are respectively arranged at three vertexes of an equilateral triangle. 3 rollers 3 form a plane, are embedded in the inner side of the seat body 1 and can freely roll in the seat body 1. The distance of the roller 3 protruding the inner side surface of the seat body 1 is 5mm, so that a gap exists between the magnet 2 and the wheel surface, and the magnet cannot be in direct contact with the wheel surface. The roller 3 rolls on the inner side surface of the wheel in the measuring process, and the sliding is replaced by rolling, so that the abrasion to the distance measuring instrument is reduced.

In some embodiments, as shown in fig. 1, the activation device is an activation button 5, and the activation button 5 is electrically connected to the laser probe 4. The starting button 5 can control the working state of the laser probe 4, and when measurement is needed, the starting button 5 is started, so that the laser probe 4 can be controlled to measure the inner side distance of the wheels of the railway vehicle.

In some embodiments, a plurality of reinforcing ribs are uniformly arranged on the outer edge of the seat body 1, and the function of the reinforcing ribs is to increase the friction force between the seat body 1 and the palm, so that a measurer can conveniently grip the seat body 1.

The utility model discloses a theory of operation does: the seat body 1 is clamped on the rim of the wheel, at the moment, the positioning magnet 2 enables the whole device to be tightly adsorbed and fixed on the inner side of the wheel, and a certain gap exists between the device and the inner side of the wheel because the limiting idler wheel 3 protrudes out of the surfaces of the seat body 1 and the positioning magnet 2, so that the device only limits the limiting idler wheel 3 to roll on the surface of the inner side of the wheel when the inner side distance of the wheel is measured in a moving mode.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A railway vehicle wheel inner side distance laser measuring instrument is characterized by comprising: the device comprises a base body (1), a positioning device, a limiting device, a laser probe (4) and a starting device; the seat body (1) is clamped on the wheel rim, and one side of the seat body (1) facing the wheel rim is the inner side of the seat body; the positioning device is arranged on the inner side of the seat body (1), and the limiting device is convexly arranged on the inner side of the seat body (1); the laser probe (4) is arranged on the outer side of the base body (1), and the starting device is arranged on the outer side of the base body (1) and is electrically connected with the laser probe (4).

2. The laser measuring instrument for the inner wheel distance of the railway vehicle as claimed in claim 1, wherein the seat body (1) is made of hard plastic.

3. The laser measuring instrument for the inner side distance of the railway vehicle wheel as claimed in claim 1, wherein the base body (1) is shaped to fit the wheel rim.

4. The laser measuring instrument for the inner side distance of the wheel of the railway vehicle is characterized in that the positioning device is a magnet (2), and the magnet (2) is embedded in the inner side of the seat body (1).

5. The laser gauge for measuring the inside wheel distance of railway vehicles according to claim 4, characterized in that the surface of the magnet (2) is flush with the surface of the seat body (1).

6. The laser measuring instrument for the inner side distance of the wheel of the railway vehicle as claimed in claim 1, wherein the limiting device is a roller (3), and the roller (3) is rotatably connected with the seat body (1).

7. The laser gauge for measuring the inner wheel distance of railway vehicles according to claim 6, characterized in that the number of the rollers (3) is 3, and 3 rollers (3) are respectively arranged at three vertices of an equilateral triangle.

8. The laser measuring instrument for the inner side distance of the wheel of the railway vehicle is characterized in that the distance of the roller (3) protruding out of the inner side surface of the seat body (1) is 5 mm.

9. The laser measuring instrument for the inner side distance of the wheels of the railway vehicle as claimed in claim 1, wherein a plurality of reinforcing ribs are uniformly arranged on the outer edge of the seat body (1).

10. The laser gauge for measuring the inside wheel distance of railway vehicles according to claim 1, characterized in that the actuating device is an actuating button (5), and the actuating button (5) is electrically connected with the laser probe (4).