Double-row tapered roller bearing axial clearance quick assembly manipulator clamp

Abstract

The utility model provides a double-row tapered roller bearing axial clearance quick assembly manipulator clamp which comprises a base and a supporting column arranged on the base, and is characterized by comprising a reversing column horizontally mounted at the upper end of the supporting column and clamping parts mounted at the two ends of the reversing column. According to the manipulator clamp for rapidly assembling the axial clearance of the double-row tapered roller bearing, clamping jaws which can adjust the opening degree and adapt to the shape of the double-row tapered roller bearing are arranged at the two ends of a reversing column, and the lifting action of an inner assembly, the extraction action of a standard middle space ring and the replacement action of a space ring in the adjusted clearance are completed at the same time; manual replacement of the middle space ring can be completely replaced, and the problem of low manual efficiency in the prior art is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing detection, and particularly relates to a rapid assembly manipulator fixture for the axial clearance of a double-row tapered roller bearing. Background Art

[0002] The spacer ring is an annular part in a double-row tapered roller bearing, located between two inner rings or outer rings, used to separate and support the rollers, and at the same time adjust the clearance and pre-interference of the bearing. During use, the double-row tapered roller bearing can limit the axial displacement of both sides of the shaft or the housing within the axial clearance limit of the bearing through the cooperation of the spacer ring and the inner and outer rings, ensuring the stable operation of the machine. At the same time, since the double-row tapered roller bearing can bear a combined radial and axial load and a moment load mainly composed of a large radial load, the presence of the spacer ring helps to disperse these loads and improve the bearing capacity and service life of the bearing.

[0003] In the prior art, for the double-row tapered roller bearing used in railway freight cars, the weight of its inner ring assembly is relatively large, and manual handling for a long time will reduce the efficiency. Moreover, the existing mechanical jaws cannot adapt to the shapes of the inner assembly and the spacer ring for clamping and replacement. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the problem in the prior art that the existing mechanical jaws cannot adapt to the shapes of the inner assembly and the spacer ring for clamping and replacement.

[0005] To achieve the above purpose, the present application proposes a rapid assembly manipulator fixture for the axial clearance of a double-row tapered roller bearing, including: a base, a support column arranged on the base, characterized in that a reversing column horizontally installed at the upper end of the support column, and clamping parts installed at both ends of the reversing column.

[0006] The rapid assembly manipulator fixture for the axial clearance of the double-row tapered roller bearing of the present application can complete the lifting of the inner assembly, the extraction of the standard spacer ring and the replacement of the spacer ring for adjusting the clearance by setting jaws at both ends of the reversing column that can adjust the opening degree and adapt to the shape of the double-row tapered roller bearing, and can completely replace manual replacement of the spacer ring, solving the problem in the prior art that the existing mechanical jaws cannot adapt to the shapes of the inner assembly and the spacer ring for clamping and replacement.

[0007] As an improvement of the above clamping part of the present application, the clamping part includes: a guiding part vertically installed at both ends of the reversing column, a driving part installed inside the hollow cavity of the guiding part and extending to the lower end of the guiding part, and a cylindrical surface jaw installed on the driving part through a connecting column.

[0008] The guiding part is used to limit the movement path of the jaw, the driving part provides power for the clamping of the jaw, and the cylindrical surface jaw is used to clamp each component of the bearing.

[0009] As an improvement of the above-mentioned guiding part of the present application, the guiding part includes: a vertically installed and hollow guiding column and a guiding groove provided on the cylindrical surface of the guiding column along the vertical direction. The vertically installed guiding groove can limit the installation positions of other components, and the guiding groove can limit the movement positions of the components passing through the guiding groove.

[0010] As an improvement of the above-mentioned driving part of the present application, the driving part includes: a cylinder installed inside the hollow cavity of the guiding column, a sliding base passing through the guiding groove and connecting to the output shaft of the cylinder, a limiting base installed at one end of the guiding column away from the reversing column, and a movable rod connecting the sliding base and the connecting column. Among them, the cylinder drives the sliding base to move in the vertical direction, and the sliding base further drives the movable rod to change the angle between it and the column surface of the guiding column.

[0011] Further, the limiting base includes: a fixing part covering the surface of the guiding column and a guide rod vertically arranged along the surface of the fixing part. Among them, the fixing part is nested and installed at the end of the guiding column, and the guide rod extends along the direction perpendicular to the surface of the fixing part for limiting the movement path of the movable rod.

[0012] Further, two U-shaped grooves with opposite openings are formed on the guide rod from the end to the fixing part. Among them, the U-shaped grooves limit the movement path of the connecting column.

[0013] Further, convex block structures matching the U-shaped grooves opened on the guide rod are provided on both sides of the connecting column. The convex block structures are used to fix the connecting column in the grooves of the guide rod.

[0014] The beneficial effects of the present application are as follows:

[0015] 1. For the quick assembly manipulator fixture of the axial clearance of the double-row tapered roller bearing in the present application, by setting up a reversing column and arranging two clamping parts at both ends of the reversing column, when replacing the intermediate spacer of the double-row tapered roller bearing, the positions of the two jaws relative to the bearing are continuously alternated by the rotation of the reversing column, so as to complete a series of actions of extracting the inner component to expose the standard intermediate spacer, extracting the standard intermediate spacer and placing the intermediate spacer at a predetermined position, extracting the matching intermediate spacer and placing it on the other half of the inner component, and finally resetting the original inner component, which speeds up the speed and accuracy of replacing the intermediate spacer, and solves the problems of low efficiency of manually replacing the intermediate spacer in the prior art and the inability of the existing mechanical jaws to adapt to the shapes of the inner component and the intermediate spacer for clamping and replacement.

[0016] 2. For the manipulator fixture of the present application, the clamping part of the jaw can be opened and closed according to bearings of different sizes, and since the arrangement direction of the jaws of the clamping part is parallel to the axis of the manipulator, the jaw can not only clamp the bearing by inward tightening, but also lift the bearing intermediate spacer by outward extension.

[0017] 3. The manipulator jaw of the present application has a cylindrical surface shape. When each individual cylindrical surface holds the bearing assembly, two clamping fulcrums can be provided on both sides of the cylindrical surface, making the clamping action more stable. When the middle spacer of the bearing is lifted by expanding outward, since the weight of the middle spacer is relatively lighter than other components, the cylindrical surface jaw can stably lift the middle spacer by providing a support point in the middle of the cylindrical surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required to be used in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0019] Figure 1 It is a schematic structural diagram of a quick assembly manipulator fixture for the axial clearance of a double-row tapered roller bearing in an embodiment of the present application;

[0020] Figure 2 It is a schematic structural diagram of the limit base in an embodiment of the present application;

[0021] Figure 3 It is a schematic structural diagram of the sliding base in an embodiment of the present application;

[0022] Description of the reference numerals in the drawings:

[0023] 1. Base;

[0024] 2. Support column;

[0025] 3. Reversing column;

[0026] 4. Clamping part; 41. Guiding part; 411. Guide post; 412. Guide groove; 42. Driving part; 421. Cylinder; 422. Sliding base; 423. Limit base; 4231. Fixed part; 4232. Guide rod; 424. Movable rod; 43. Cylindrical surface jaw; 44. Connecting column. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0027] The following will combine the attached Figures 1-2 The embodiments of the technical solutions of the present application will be described in detail. The following embodiments are only used to more clearly illustrate the technical solutions of the present application, so they are only examples and cannot be used to limit the protection scope of the present application. In addition, the technical features involved in the various embodiments of the present application described below can be combined with each other as long as they do not conflict with each other.

[0028] As Figure 1Schematically shows a quick-assembly manipulator fixture for the axial clearance of a double-row tapered roller bearing of the present application. The manipulator fixture includes: a base 1, and a support column 2 provided on the base 1. It is characterized in that a reversing column 3 horizontally installed at the upper end of the support column 2, and clamping parts 4 installed at both ends of the reversing column 3.

[0029] In an embodiment of the present application, the base 1 is used to install and fix the manipulator fixture. The support column 2 can drive other parts to move to different horizontal planes through lifting. By rotating the reversing column 3, the positions of the two jaws are continuously changed to realize the action of replacing the intermediate spacer.

[0030] In the prior art, the intermediate spacer is often replaced manually. After the bearing is detected by the detection device, the size of the intermediate spacer to be replaced is calculated. At this time, the person lifts the inner component located at the upper part of the bearing, takes away the standard intermediate spacer, then selects an intermediate spacer that meets the calculated size from the library storing the intermediate spacers, places the intermediate spacer on the upper part of the inner component located at the lower part, and finally places the lifted inner component on the upper part of the intermediate spacer to complete the replacement of the entire intermediate spacer. In this process, it is necessary for the person to continuously move the components of the bearing. When facing a heavy bearing, the manual operation efficiency is low.

[0031] In this embodiment, by providing a reversing column and arranging two clamping parts at both ends of the reversing column, when replacing the intermediate spacer of the double-row tapered roller bearing, the positions of the two jaws relative to the bearing are continuously alternated by rotating the reversing column, so as to complete a series of actions of extracting the inner component to expose the intermediate spacer, extracting the standard intermediate spacer and placing the intermediate spacer at a predetermined position, extracting the matching intermediate spacer and placing it on the other half of the inner component, and finally resetting the original inner component, which speeds up the speed and accuracy of replacing the intermediate spacer, and solves the problems of low efficiency of manually replacing the intermediate spacer in the prior art, and the existing mechanical jaws cannot adapt to the shapes of the inner component and the intermediate spacer for clamping and replacement.

[0032] Continue to refer to Figure 1 , in a further embodiment, the clamping part 4 includes: a guiding part 41 vertically installed at both ends of the reversing column 3, a driving part 42 installed inside the hollow cavity of the guiding part 41 and extending to the lower end of the guiding part 41, and a cylindrical jaw 43 installed on the driving part 42 through a connecting column 44. Among them, the reversing column 3 and the guiding part 41 are in a perpendicular positional relationship. By installing the driving part 42 in the guiding part 41, the movement direction of the connecting column 44 can be restricted, so as to restrict the movement direction of the jaw 43, so that the jaw 43 can hold an object and move in the vertical direction.

[0033] Further, continue to refer to Figure 1, the guiding part 41 includes: a vertically installed and hollow guiding column 411 and a guiding groove 412 provided on the cylindrical surface of the guiding column 411 along the vertical direction. Among them, the sliding base 422 is installed on the outer surface of the guiding column 411, and the claws extending from the middle part of the sliding base 422 to the surrounding are embedded in the guiding groove 412 to prevent the sliding base 422 from rotating in the guiding column 411.

[0034] Further, continue to refer to Figure 1 , Figure 2 and Figure 3 , the driving part 42 includes: a cylinder 421 installed inside the hollow cavity of the guiding column 411, a sliding base 422 passing through the guiding groove 412 and connecting to the output shaft of the cylinder 421, a limiting base 423 installed at one end of the guiding column 411 away from the reversing column 3, and a movable rod 424 connecting the sliding base 422 and the connecting column 44. Among them, the output shaft of the cylinder 421 is connected to the sliding base 422, one end of the guiding column 411 is connected to the sliding base 422, and the other end is connected to the movable rod 424 nested in the limiting base 423. The telescopic movement of the output shaft of the cylinder 421 drives the sliding base 422 to move along the vertical direction of the guiding column 411. The sliding base 422 drives the movable rod 424 to change the angle between it and the horizontal direction, and further drives the other end of the movable rod 424 to drive the connecting column 44 to move in the limiting base 423, thereby driving the opening and closing of the clamping jaws.

[0035] Further, continue to refer to Figure 2 , two U-shaped grooves with opposite openings are provided on the guide rod 4232 along the end towards the fixing part 4231, and convex block structures matching the U-shaped grooves opened on the guide rod 4232 are provided on both sides of the connecting column 44. Embedding the convex block structures into the U-shaped grooves can fix the connecting column 44 in the guide rod 4232.

[0036] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, rather than limiting them; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A quick assembly manipulator fixture for the axial clearance of a double-row tapered roller bearing, comprising: Base (1), a support column (2) provided on the base (1), characterized in that a reversing column (3) horizontally installed at the upper end of the support column (2), and clamping parts (4) installed at both ends of the reversing column (3), the clamping parts (4) comprising: guiding parts (41) vertically installed at both ends of the reversing column (3), a driving part (42) installed inside the hollow cavity of the guiding part (41) and extending to the lower end of the guiding part (41), and cylindrical surface clamping jaws (43) installed on the driving part (42) through a connecting column (44).

2. The robotic hand fixture according to claim 1, wherein, The guiding part (41) comprises: a vertically installed and hollow guiding column (411) and a guiding groove (412) established along the vertical direction on the cylindrical surface of the guiding column (411).

3. The robotic hand fixture according to claim 2, wherein, The driving part (42) comprises: a cylinder (421) installed inside the hollow cavity of the guiding column (411), a sliding base (422) passing through the guiding groove (412) and connecting the output shaft of the cylinder (421), a limiting base (423) installed at one end of the guiding column (411) away from the reversing column (3), and a movable rod (424) connecting the sliding base (422) and the connecting column (44).

4. The robotic hand fixture according to claim 3, wherein, The limiting base (423) comprises: a fixing part (4231) covering the surface of the guiding column (411) and a guide rod (4232) vertically arranged along the surface of the fixing part (4231).

5. The robotic hand fixture according to claim 4, wherein Two U-shaped grooves with opposite openings are formed in the guide rod (4232) along the end towards the fixing part (4231).

6. The robotic hand fixture according to claim 4, characterized in that, Convex block structures are arranged on both sides of the connecting column (44) and are matched with the U-shaped grooves formed in the guide rod (4232).

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