Centering device for metro vehicle machining

Abstract

The utility model provides a centering device for metro vehicle machining. Comprising an underfloor wheel lathe body, a transverse plate is arranged at the top end of the underfloor wheel lathe body, a fixing bolt is in threaded connection with the top end of the transverse plate, a base is fixedly installed at the top end of the transverse plate through the fixing bolt, a partially threaded bolt is inserted into the inner side of the base, and a nut is in threaded connection with the surface of the partially threaded bolt. The surface of the partially threaded bolt is sleeved with a laser base. According to the non-pulling wheel lathe, by arranging the base, the fixing bolt, the partial thread bolt, the nut, the laser base, the top fixing bolt, the bearing base, the laser head, the worm gear and the worm, the efficiency of a vehicle arriving at the dead center of the non-pulling wheel lathe body can be improved, the situation that a workpiece to be machined needs to be unloaded and clamped again when not centered is avoided, and therefore machining damage to an electric passenger car wheel pair is avoided; the damage caused by eccentricity of the underfloor wheel lathe body is also avoided, and meanwhile, the machining precision can be indirectly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a centering device, especially relates to a centering device for subway vehicle processing belongs to subway vehicle processing technical field. BACKGROUND

[0002] The centering device for subway vehicle processing is a kind of equipment for ensuring that each key component (such as wheel, axle, car body etc.) of subway vehicle is accurately centered in the processing process. Its main function is to ensure that the parts in the processing process can keep accurate geometric position and axial centering when installing, processing, interfacing, so as to ensure the matching precision and overall performance between each part of subway vehicle.

[0003] Publication No. CN216461778U discloses a laser centering device for not falling wheel barreling machine, base beam and laser emission device, the base beam is arranged on the outer axle box lower pressure device of not falling wheel barreling machine;The laser emission device includes cross laser emitter and support, the cross laser emitter is installed on the support, and the support is installed on the base beam. The utility model can realize the centering operation of wheel set when clamping in not falling wheel barreling machine, improve the precision and efficiency of centering.

[0004] But the angle of laser emitter of this kind of laser centering device is fixed orientation in the process of actual work, cannot rotate, when processing or measuring subway train, single wheel set, bogie, if workpiece is not centered before processing, it needs to unload and clamp again, this can cause the damage of electric passenger car wheel set processing, also can cause the damage of not falling wheel barreling machine itself because of eccentricity.

[0005] Therefore, a centering device for subway vehicle processing is provided. UTILITY MODEL CONTENTS

[0006] Therefore, the utility model provides a centering device for subway vehicle processing to solve or alleviate the technical problems in the prior art, at least to provide a beneficial choice.

[0007] The technical scheme of the utility model is realized as follows: a centering device for subway vehicle processing, including not falling wheel barreling machine body, the top of not falling wheel barreling machine body is provided with horizontal plate, the top of horizontal plate is connected with fixed bolt in screw thread, the top of horizontal plate is fixedly installed with base through fixed bolt, the inner side of base is inserted with partial threaded bolt, the surface of partial threaded bolt is connected with nut in screw thread, the surface of partial threaded bolt is equipped with laser seat, the inner side of base is provided with top fixed bolt, the top of laser seat is provided with receiving seat, the top of receiving seat is fixedly installed with laser head, the surface of receiving seat is fixedly installed with worm wheel, the top of laser seat is rotatably connected with worm.

[0008] Further preferably, the inner side of the horizontal plate is provided with threads, and the horizontal plate is connected with the fixing bolt through threads.

[0009] Further preferably, the inner side of the base is provided with threads, and the base is connected with the top fixing bolt through threads.

[0010] Further preferably, the worm gear is engaged with the worm.

[0011] Further preferably, the receiving seat and the laser seat are rotationally connected through a bearing.

[0012] Further preferably, one end of the worm is fixedly provided with a rotating knob.

[0013] The embodiment of the utility model has the following advantages due to the adoption of the above technical scheme:

[0014] In the utility model, the base, the fixing bolt, the partial thread bolt, the nut, the laser seat, the top fixing bolt, the receiving seat, the laser head, the worm gear and the worm are arranged, the efficiency of the vehicle to the non-falling wheel lathe body center can be improved, the workpiece needs to be unloaded and clamped again when the workpiece to be processed is not centered, the electric train wheel set processing damage can be avoided, the non-falling wheel lathe body damage caused by eccentricity can be avoided, and the processing precision can be indirectly improved.

[0015] The above summary is only for the purpose of the description and is not intended to limit in any way. In addition to the above described exemplary aspects, embodiments and features, further aspects, embodiments and features of the utility model will be apparent by referring to the drawings and the following detailed description. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme 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 below. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of part of the structure of the utility model;

[0019] Figure 3 It is an exploded view of part of the structure of the utility model;

[0020] Figure 4 It is an enlarged view of A in the utility model Figure 3 .

[0021] Reference numerals in the attached diagram: 1. Body of the non-falling wheel lathe; 2. Horizontal plate; 3. Base; 4. Fixing bolt; 5. Some threaded bolts; 6. Nut; 7. Laser seat; 8. Top fixing bolt; 9. Support seat; 10. Laser head; 11. Worm gear; 12. Worm; 13. Knob. Detailed Implementation

[0022] In the following description, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments can be modified in various ways without departing from the spirit or scope of this invention. Therefore, the drawings and description are considered exemplary in nature and not restrictive.

[0023] The embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0024] like Figures 1-4 As shown, this utility model embodiment provides a centering device for subway vehicle processing, including a non-falling wheel turning machine body 1. A horizontal plate 2 is provided at the top of the non-falling wheel turning machine body 1. A fixing bolt 4 is threadedly connected to the top of the horizontal plate 2. A base 3 is fixedly installed at the top of the horizontal plate 2 by the fixing bolt 4. Partial threaded bolts 5 are inserted into the inner side of the base 3. Nuts 6 are threadedly connected to the surface of the partial threaded bolts 5. A laser seat 7 is sleeved on the surface of the partial threaded bolts 5. A top fixing bolt 8 is provided on the inner side of the base 3. A receiving seat 9 is provided at the top of the laser seat 7. A laser head 10 is fixedly installed at the top of the receiving seat 9. A worm gear 11 is fixedly installed on the surface of the receiving seat 9. A worm 12 is rotatably connected to the top of the laser seat 7.

[0025] In one embodiment, the inner side of the horizontal plate 2 is threaded, and the horizontal plate 2 is connected to the fixing bolt 4 via the thread. Align the base 3 with the pre-drilled hole on the horizontal plate 2, and then use the fixing bolt 4 to install and fix the base 3 to the horizontal plate 2.

[0026] In one embodiment, the inner side of the base 3 is threaded, and the base 3 is connected to the fixing bolt 8 by the thread. After the laser seat 7 is adjusted in angle, the fixing bolt 8 is screwed into the inner side of the base 3. At this time, under the action of the thread, the fixing bolt 8 will push against the laser seat 7, thereby fixing its position under pressure.

[0027] In one embodiment, the worm gear 11 meshes with the worm 12. By rotating the knob 13, the worm 12 is driven to rotate. Under the cooperation between the worm 12 and the worm gear 11, the laser head 10 and the receiving seat 9 can rotate 360 ​​degrees along the laser seat 7, and it has a self-locking effect and high adjustment precision.

[0028] In one embodiment, the receiving seat 9 is rotatably connected with the laser seat 7 through a bearing. The laser head 10 and the receiving seat 9 can be rotated along the laser seat 7 by 360 degrees, and the rotation is smooth.

[0029] In one embodiment, the worm 12 is fixedly installed with a rotating knob 13 at one end. The rotating knob 13 can facilitate manual rotation of the worm 12, thereby facilitating adjustment of the angle of the laser head 10.

[0030] In operation, first, the base 3 is aligned with the pre-formed hole on the horizontal plate 2, then the fixing bolt 4 is used to install and fix the base 3 and the horizontal plate 2, then the laser seat 7 is placed inside the base 3 and aligned with the hole, then the threaded bolt 5 is inserted into the inside of the base 3 and passes through the laser seat 7, then the nut 6 is sleeved on the other side, at this time, the angle of the laser seat 7 can be adjusted, the effective rotation effect of the laser seat 7 along the base 3 is 270 degrees, after the angle adjustment is completed, the top fixing bolt 8 is screwed into the inside of the base 3, at this time, under the action of the thread, the top fixing bolt 8 is pressed on the laser seat 7, thereby fixing the position under the action of the pressure, then the rotating knob 13 is rotated to drive the worm 12 to rotate, under the cooperation between the worm 12 and the worm wheel 11, the laser head 10 and the receiving seat 9 can be driven to rotate along the laser seat 7, thereby realizing the effect of 360-degree rotation of the laser head 10.

[0031] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can easily think of various changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A centering device for metro vehicle machining, characterized in that: Including not fall wheel lapper body (1), the top of not fall wheel lapper body (1) is provided with crossbeam (2), the top of crossbeam (2) is screw thread connection with fixed bolt (4), the top of crossbeam (2) is fixedly installed with base (3) through fixed bolt (4), the inside of base (3) is inserted with partial screw bolt (5), the surface of partial screw bolt (5) is screw thread connection with nut (6), the surface of partial screw bolt (5) is equipped with laser seat (7), the inside of base (3) is provided with top fixed bolt (8), the top of laser seat (7) is provided with receiving seat (9), the top of receiving seat (9) is fixedly installed with laser head (10), the surface of receiving seat (9) is fixedly installed with worm wheel (11), the top of laser seat (7) is rotatably connected with worm (12).

2. The centering device for metro vehicle processing according to claim 1, characterized in that: The inside of the crossbeam (2) is provided with a thread, and the crossbeam (2) is connected with the fixed bolt (4) through the thread.

3. The centering device for metro vehicle machining according to claim 1, characterized in that: The inside of the base (3) is provided with a thread, and the base (3) is connected with the top fixed bolt (8) through the thread.

4. The centering device for metro vehicle machining according to claim 1, characterized in that: The worm wheel (11) is engaged with the worm (12).

5. The centering device for metro vehicle machining according to claim 1, characterized in that: The receiving seat (9) and the laser seat (7) are rotatably connected through a bearing.

6. The centering device for metro vehicle machining according to claim 1, characterized in that: One end of the worm (12) is fixedly installed with a rotating knob (13).

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