CN216504718U - Automatic centering clamp for bearing - Google Patents

Abstract

The utility model discloses an automatic bearing centering clamp, which consists of a clamp base, a clamp chuck and a bearing internal supporting clamp; according to the automatic bearing centering clamp provided by the utility model, in the process of assembling the railway vehicle bearing, the automatic centering clamping work of the bearing is realized by the bearing feeding manipulator through the automatic bearing centering clamp, so that the manual centering and carrying work of an operator is reduced, and the overhauling quality and the overhauling efficiency of the railway vehicle bearing assembly are greatly improved.

Description

Automatic centering clamp for bearing

Technical Field

The utility model relates to the technical field of railway vehicle maintenance, in particular to bearing assembling equipment for a railway vehicle wheel shaft.

Background

In the maintenance process of the axle of the railway vehicle, workers are required to assist the bearing press-fitting machine to perform centering work on the middle spacer ring before bearing press-fitting, particularly, when the bearing is threaded, the workers need to stretch hands into the inside of the bearing to hold the middle spacer ring for centering, so that the accident of crushing is easy to occur, and the bearing quality is heavy, the labor intensity of the workers is high, and therefore the problems that the maintenance quality of the axle is low, the maintenance efficiency is low and the like are caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an automatic bearing centering clamp, which is used for solving the problems in the prior art, laying a foundation for the unmanned assembly of the wheel bearing of a railway vehicle, fully realizing the specialization of maintenance equipment, improving the maintenance efficiency and improving the maintenance quality.

In order to achieve the purpose, the utility model provides the following scheme:

the utility model provides an automatic centering clamp for a bearing, which is characterized in that: the whole machine consists of a clamp base (901), a clamp chuck (902) and a bearing internal supporting clamp (903); the clamp base (901) is a machined special-shaped workpiece after steel plates are welded, a driving cylinder of a clamp chuck (902) is installed on the oblique upper portion of the left side of the clamp base (901), and the middle position of the left side of the lower portion of the clamp base (901) is connected with a supporting seat of a supporting clamp (903) inside a bearing.

Preferably, the clamp chuck (902) is of a triangle-like structure formed by processing a steel plate, a driving cylinder of the clamp chuck (902) is installed on the right side of the clamp chuck, the end part of a piston rod of the cylinder is connected with the right side of the disk surface of the triangle-like clamp chuck (902), the tail part of the driving cylinder of the clamp chuck (902) is installed on the inclined upper part of the left side of the clamp base (901), the piston rod of the driving cylinder of the clamp chuck (902) extends out to drive the clamp chuck (902) to rotate, a rotating bearing is installed on the right side of the middle of the disk surface of the clamp chuck, an inner ring of the rotating bearing is installed on an outer ring of a rear supporting seat of the bearing internal supporting clamp (903), so that the clamp chuck (902) rotates by taking a supporting seat at the rear part of the bearing internal supporting clamp (903) as a central support, an arc-shaped groove is processed on the disk surface of the clamp chuck (902) for positioning a positioning bearing at the lower part of a linear guide rail sliding block of the bearing internal supporting clamp (903), the fixture chuck (902) rotates to drive the bearing in the groove and the sliding block on the linear guide rail of the upper bearing internal support fixture (903) so that the sliding block moves along the linear guide rail, the supporting arm of the bearing internal support fixture (903) moves outwards or inwards with the center of the fixture chuck (902), and the supporting arm of the bearing internal support fixture (903) supports the bearing and tightly supports the bearing from the inside of the bearing.

Preferably, the bearing internal support fixture (903) has a support base passing through the fixture chuck (902) and installed at the middle position of the left side of the lower part of the fixture base (901), three linear guide rails installed at 120 degrees on the left side of the fixture chuck (902) are respectively provided with a slider, a support arm of the bearing internal support fixture (903) is installed at the upper part of each slider, a positioning bearing is installed at the lower part of each slider, the positioning bearing at the lower part of each slider is connected with an arc-shaped groove on the fixture chuck (902), the fixture chuck (902) rotates to drive the bearing inside the groove and the slider at the upper part thereof, so that the slider moves along the linear guide rails, the support arm of the bearing internal support fixture (903) synchronously moves outwards or inwards with the center of the fixture chuck (902), and the support bearing and tightly support the bearing by the support arm of the bearing internal support fixture (903), and further realize the centering loading and unloading work of the bearing.

Compared with the prior art, the utility model has the following beneficial technical effects:

the utility model aims to provide an automatic bearing centering clamp, which is used for solving the problems in the prior art, laying a foundation for the unmanned assembly of the wheel bearing of a railway vehicle, fully realizing the specialization of maintenance equipment, improving the maintenance efficiency and improving the maintenance quality.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.

FIG. 1 is a front view and a side view of the automatic bearing centering fixture of the present invention;

in the figure: 901-clamp base, 902-clamp chuck, 903-bearing internal support clamp.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Referring to FIG. 1: the whole machine consists of a clamp base (901), a clamp chuck (902) and a bearing internal supporting clamp (903); the clamp base (901) is a machined special-shaped workpiece after a steel plate is welded, a driving cylinder of a clamp chuck (902) is installed on the oblique upper portion of the left side of the clamp base (901), and the middle position of the left side of the lower portion of the clamp base (901) is connected with a supporting seat of a supporting clamp (903) in a bearing; the clamp chuck (902) is of a triangle-like structure formed by processing a steel plate, a driving cylinder of the clamp chuck (902) is arranged on the right side of the clamp chuck, the end part of a piston rod of the cylinder is connected with the right side of the disk surface of the triangle-like clamp chuck (902), the tail part of the driving cylinder of the clamp chuck (902) is arranged on the inclined upper part of the left side of a clamp base (901), the piston rod of the driving cylinder of the clamp chuck (902) extends out to drive the clamp chuck (902) to rotate, a rotary bearing is arranged on the right side of the middle of the disk surface of the clamp chuck, an inner ring of the rotary bearing is arranged on an outer ring of a rear supporting seat of a bearing internal supporting clamp (903), so that the clamp chuck (902) can rotate by taking the supporting seat at the rear part of the bearing internal supporting clamp (903) as a central support, an arc-shaped groove is processed on the disk surface of the clamp chuck (902) and is used for positioning a positioning bearing at the lower part of a linear guide rail sliding block of the bearing internal supporting clamp (903), the fixture chuck (902) rotates to drive the bearing in the groove and the slide block on the linear guide rail of the upper bearing internal support fixture (903) to enable the slide block to move along the linear guide rail, so that the support arm of the bearing internal support fixture (903) moves outwards or inwards from the center of the fixture chuck (902), and the support arm of the bearing internal support fixture (903) is enabled to support the bearing in a centering way from the inside of the bearing and tightly support the bearing; the bearing internal supporting clamp (903) is characterized in that a supporting seat of the bearing internal supporting clamp (903) penetrates through a clamp chuck (902) and is installed at the middle position of the left side of the lower portion of a clamp base (901), three linear guide rails are installed at the left side of the clamp chuck (902) at 120 degrees, sliding blocks are installed on the three linear guide rails respectively, a supporting arm of the bearing internal supporting clamp (903) is installed at the upper portion of each sliding block, a positioning bearing is installed at the lower portion of each sliding block, the positioning bearing at the lower portion of each sliding block is connected with an arc-shaped groove in the clamp chuck (902), the clamp chuck (902) rotates to drive a bearing in the groove and the sliding block at the upper portion of the bearing to enable the sliding block to move along the linear guide rails, and therefore the supporting arm of the bearing internal supporting clamp (903) can synchronously move outwards or inwards through the center of the clamp chuck (902), and the supporting arm of the bearing internal supporting clamp (903) can support the bearing and tightly support the bearing, and further realize the centering loading and unloading work of the bearing.

The principle and the implementation mode of the utility model are explained by applying specific examples, and the description of the above examples is only used for helping understanding the method and the core idea of the utility model; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific implementation and the application range may be changed; in summary, this summary should not be construed to limit the present invention.

Claims (3)

1. The utility model provides a bearing automatic centering anchor clamps which characterized in that: the whole machine consists of a clamp base (901), a clamp chuck (902) and a bearing internal supporting clamp (903); the clamp base (901) is a machined special-shaped workpiece after steel plates are welded, a driving cylinder of a clamp chuck (902) is installed on the oblique upper portion of the left side of the clamp base (901), and the middle position of the left side of the lower portion of the clamp base (901) is connected with a supporting seat of a supporting clamp (903) inside a bearing.

2. The bearing self-centering fixture of claim 1, wherein: the clamp chuck (902) is of a triangle-like structure formed by processing a steel plate, a driving cylinder of the clamp chuck (902) is arranged on the right side of the clamp chuck, the end part of a piston rod of the cylinder is connected with the right side of the disk surface of the triangle-like clamp chuck (902), the tail part of the driving cylinder of the clamp chuck (902) is arranged on the inclined upper part of the left side of a clamp base (901), the piston rod of the driving cylinder of the clamp chuck (902) extends out to drive the clamp chuck (902) to rotate, a rotary bearing is arranged on the right side of the middle of the disk surface of the clamp chuck, an inner ring of the rotary bearing is arranged on an outer ring of a rear supporting seat of a bearing internal supporting clamp (903), so that the clamp chuck (902) can rotate by taking the supporting seat at the rear part of the bearing internal supporting clamp (903) as a central support, an arc-shaped groove is processed on the disk surface of the clamp chuck (902) and is used for positioning a positioning bearing at the lower part of a linear guide rail sliding block of the bearing internal supporting clamp (903), the fixture chuck (902) rotates to drive the bearing in the groove and the sliding block on the linear guide rail of the upper bearing internal support fixture (903) so that the sliding block moves along the linear guide rail, the supporting arm of the bearing internal support fixture (903) moves outwards or inwards with the center of the fixture chuck (902), and the supporting arm of the bearing internal support fixture (903) supports the bearing and tightly supports the bearing from the inside of the bearing.

3. The bearing self-centering fixture of claim 1, wherein: the bearing internal supporting clamp (903) is characterized in that a supporting seat of the bearing internal supporting clamp (903) penetrates through a clamp chuck (902) and is installed at the middle position of the left side of the lower portion of a clamp base (901), three linear guide rails are installed at the left side of the clamp chuck (902) at 120 degrees, sliding blocks are installed on the three linear guide rails respectively, a supporting arm of the bearing internal supporting clamp (903) is installed at the upper portion of each sliding block, a positioning bearing is installed at the lower portion of each sliding block, the positioning bearing at the lower portion of each sliding block is connected with an arc-shaped groove in the clamp chuck (902), the clamp chuck (902) rotates to drive a bearing in the groove and the sliding block at the upper portion of the bearing to enable the sliding block to move along the linear guide rails, and therefore the supporting arm of the bearing internal supporting clamp (903) can synchronously move outwards or inwards through the center of the clamp chuck (902), and the supporting arm of the bearing internal supporting clamp (903) can support the bearing and tightly support the bearing, and further realize the centering loading and unloading work of the bearing.

Images