Tool for detecting oversize low-noise crossed roller bearing

Abstract

The utility model discloses a tool for detecting a super-huge low-noise crossed roller bearing, which comprises a main disc for fixing an outer ring of the bearing and an auxiliary disc for fixing an inner ring of the bearing, an annular groove is arranged on the peripheral side surface of the main disc, and a plurality of uniformly distributed telescopic rods are rotatably arranged in the annular groove. The telescopic end of the telescopic rod is provided with a supporting seat for positioning and supporting the outer ring of the bearing; an auxiliary belt pulley is arranged at the top of the auxiliary disc, evenly-distributed connecting rods are rotationally arranged on the edge of the lower surface of the auxiliary disc, and upper clamping shafts clamped with mounting holes in the bearing inner ring are arranged at the bottoms of the ends, away from the auxiliary disc, of the connecting rods. The tool adopts an adjustable structure, the positions of the lower clamping shaft and the upper clamping shaft can be adjusted according to the size of the bearing, the inner ring and the outer ring of the bearing are positioned respectively, the tool can adapt to bearings of various specifications, the detection cost is greatly reduced, the detection period is greatly shortened, the working efficiency is improved, and the tool is convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of roller bearing, concretely to a special large low noise cross roller bearing detection frock. BACKGROUND

[0002] The cross roller bearing is a special type bearing with split inner ring and rotating outer ring, and is usually used as a joint bearing in industrial robots due to its special structure. In the manufacturing and application field of special large cross roller bearings (especially low noise type), noise detection is a key link for evaluating the operation performance and quality of the bearing.

[0003] The conventional detection method requires the relative rotation of the inner ring and the outer ring of the bearing to be stable to simulate the actual working condition and collect noise signals. However, the existing technology has the disadvantage of poor frock adaptability: the special large cross roller bearing (such as the bearing with an outer diameter exceeding 1 meter) is difficult to provide reliable fixation and driving support due to its large size and complex structure; most existing devices are only suitable for small and medium-sized bearings and lack size adjustability, resulting in the need for custom-made frock for large bearing detection, which is costly and inefficient.

[0004] Therefore, the present application provides a special large low noise cross roller bearing detection frock to solve the above problems. UTILITY MODEL CONTENTS

[0005] The technical problem to be solved by the utility model is to overcome the defects of the prior art and provide a special large low noise cross roller bearing detection frock. The frock has an adjustable structure and can adjust the positions of the lower shaft and the upper shaft according to the size of the bearing, and position the inner ring and the outer ring of the bearing respectively. The frock can adapt to bearings of various specifications, greatly reducing the detection cost and period, thereby improving the work efficiency and being convenient to use. The problems in the background art can be effectively solved.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a special large low noise cross roller bearing detection frock, comprising a main disc for fixing the bearing outer ring and a vice disc for fixing the bearing inner ring, the peripheral side surface of the main disc is provided with an annular groove, and a plurality of uniformly distributed telescopic rods are rotatably arranged inside the annular groove, and the telescopic end of the telescopic rod is provided with a support seat for positioning and supporting the bearing outer ring;

[0007] The top of the vice disc is provided with a vice pulley, and the lower surface edge of the vice disc is rotatably provided with uniformly distributed connecting rods, and the bottom of the end of the connecting rod away from the vice disc is provided with an upper shaft clamped with the mounting hole on the bearing inner ring;

[0008] The side surface of the main disc is provided with an outwardly extending base, and the base is provided with a driver for driving the rotation of the vice pulley.

[0009] As a preferred technical scheme of the utility model, the upper surface of the support seat is equipped with a lower clamping shaft clamped with the mounting hole on the outer ring of the bearing.

[0010] As a preferred technical scheme of the utility model, the bottom of the support seat is rotatably provided with a ball.

[0011] As a preferred technical scheme of the utility model, the side surface of the support seat is equipped with a handle.

[0012] As a preferred technical scheme of the utility model, the driver comprises a servo motor, the output shaft of the servo motor is equipped with a main pulley, and the main pulley is in transmission connection with a secondary pulley through an external belt.

[0013] As a preferred technical scheme of the utility model, the side surface of the servo motor is equipped with an adjusting seat, the screw hole of the adjusting seat is in internal thread connection with an adjusting bolt, and the bottom of the adjusting bolt is in rotary connection with the base.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] The large-size low-noise crossed roller bearing detection tooling of the utility model example adopts an adjustable structure, can adjust the positions of the lower clamping shaft and the upper clamping shaft according to the bearing size, positions the inner ring and the outer ring of the bearing respectively, can adapt to bearings of various specifications, greatly reduces the detection cost and period, thereby improves the work efficiency, and is convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a structural schematic view of the utility model;

[0017] Fig. 2 It is a bottom view structural schematic view of the support seat in the utility model;

[0018] Fig. 3 It is a structural schematic view when the utility model is used.

[0019] In the drawing: 1 main disc, 2 telescopic rod, 3 support seat, 31 lower clamping shaft, 32 handle, 33 ball, 4 base, 5 servo motor, 51 main pulley, 6 adjusting seat, 61 adjusting bolt, 7 secondary disc, 71 connecting rod, 72 upper clamping shaft, 8 secondary pulley. DETAILED DESCRIPTION

[0020] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0021] Please refer to Figs. 1-3 The utility model provides a technical scheme: a large -scale low noise cross roller bearing detects with frock, including the main disc 1 for fixed bearing outer ring and the vice disc 7 of fixed bearing inner ring, the peripheral surface of main disc 1 is equipped with annular groove, and the inside rotation of annular groove is equipped with several even distribution telescopic link 2, and the telescopic end of telescopic link 2 is equipped with the support seat 3 of bearing outer ring positioning support, and the upper surface of support seat 3 is equipped with the lower clamping shaft 31 of the installation hole clamping on bearing outer ring, through external crown block, large -scale roller bearing is hoisted to main disc 1 appropriate position, then winding main disc 1 rotates telescopic link 2, and the position of telescopic link 2 is adjusted, makes the position of lower clamping shaft 31 with the installation hole on large -scale roller bearing outer ring, then through the crown block, bearing is moved, and the lower clamping shaft 31 is clamped in the installation hole on large -scale roller bearing outer ring.

[0022] The top of vice disc 7 is equipped with vice pulley 8, and the lower surface edge of vice disc 7 is rotatably provided with uniformly distributed connecting rods 71, and the bottom of the end of connecting rod 71 away from vice disc 7 is provided with an upper clamping shaft 72 clamped with the mounting hole on the bearing inner ring. The vice disc 7 is placed on the upper side of the large roller bearing, and the connecting rod 71 is rotated, so that the upper clamping shaft 72 on any two connecting rods 71 in diagonal relationship is clamped into two mounting holes in diagonal relationship on the inner ring of the large roller bearing. At this time, the central axis of the vice pulley 8 coincides with the central axis of the large roller bearing.

[0023] The side surface of main disc 1 is provided with a base 4 extending outward, and the base 4 is provided with a driver for driving the rotation of the vice pulley 8.

[0024] Further, the bottom of the support seat 3 is rotatably provided with a ball 33 to facilitate the movement of the support seat 3.

[0025] Further, the side surface of the support seat 3 is provided with a handle 32 to facilitate the movement of the support seat 3.

[0026] Further, the driver includes a servo motor 5, the output shaft of the servo motor 5 is provided with a main pulley 51, the main pulley 51 is connected with the auxiliary pulley 8 through the external belt, the side of the servo motor 5 is provided with an adjusting seat 6, the screw hole of the adjusting seat 6 is internally threadedly connected with an adjusting bolt 61, the bottom of the adjusting bolt 61 is rotationally connected with the base 4, the height of the adjusting seat 6 and the servo motor 5 is adjusted by rotating the adjusting bolt 61, so that the height of the main pulley 51 is adjusted, and the main pulley 51 and the auxiliary pulley 8 are connected through the external belt; when detecting, the servo motor 5 is controlled to work, the servo motor 5 drives the main pulley 51 to rotate, the main pulley 51 drives the auxiliary pulley 8 to rotate through the belt, and the auxiliary pulley 8 drives the large roller bearing inner ring to rotate through the auxiliary disc 7, the connecting rod 71 and the upper clamping shaft 72, so that the large roller bearing is convenient to detect.

[0027] The servo motor 5 used in the utility model is a common electrical equipment in the prior art, and the working mode and circuit structure thereof are all known technologies, which will not be repeated here.

[0028] In use:

[0029] The supporting seat 3 is adjusted according to the diameter of the large roller bearing outer ring, and the adjusting mode is as follows:

[0030] The large roller bearing is hoisted to a proper position of the main disc 1 through the external crown block, then the telescopic rod 2 is wound on the main disc 1 and the position of the telescopic rod 2 is adjusted, so that the lower clamping shaft 31 corresponds to the position of the mounting hole on the large roller bearing outer ring, then the bearing is lowered through the crown block, and the lower clamping shaft 31 is clamped into the mounting hole on the large roller bearing outer ring;

[0031] Then the auxiliary disc 7 is placed on the upper side of the large roller bearing, and the connecting rod 71 is rotated, so that the upper clamping shaft 72 on any two connecting rods 71 in diagonal relationship is clamped into two mounting holes in diagonal relationship on the large roller bearing inner ring, at this time, the central axis of the auxiliary pulley 8 coincides with the central axis of the large roller bearing;

[0032] The height of the adjusting seat 6 and the servo motor 5 is adjusted by rotating the adjusting bolt 61, so that the height of the main pulley 51 is adjusted, and the main pulley 51 and the auxiliary pulley 8 are connected through the external belt;

[0033] When detecting, the servo motor 5 is controlled to work, the servo motor 5 drives the main pulley 51 to rotate, the main pulley 51 drives the auxiliary pulley 8 to rotate through the belt, and the auxiliary pulley 8 drives the large roller bearing inner ring to rotate through the auxiliary disc 7, the connecting rod 71 and the upper clamping shaft 72, so that the large roller bearing is convenient to detect.

[0034] The utility model discloses adopt adjustable structure, can adjust the position of lower clamping shaft 31 and upper clamping shaft 72 according to bearing size to position the inner ring and outer ring of bearing respectively, can adapt to multiple specifications bearing, greatly reduce the detection cost and period to improve work efficiency, convenient to use.

[0035] The specific structure, material and working principle of the undisclosed part in the utility model are not described in detail. Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A large-size low-noise crossed-roller bearing detection tooling, comprising a main disc (1) for fixing a bearing outer ring and a secondary disc (7) for fixing a bearing inner ring, characterized in that: The peripheral side of the main disc (1) is provided with an annular groove, and a plurality of uniformly distributed telescopic rods (2) are rotatably arranged in the annular groove; the telescopic end of the telescopic rod (2) is provided with a support seat (3) for positioning and supporting the outer ring of the bearing; The top of the auxiliary disc (7) is provided with an auxiliary pulley (8), and the lower surface edge of the auxiliary disc (7) is rotatably provided with uniformly distributed connecting rods (71); the bottom of the end of the connecting rod (71) away from the auxiliary disc (7) is provided with an upper clamping shaft (72) clamped with the mounting hole on the inner ring of the bearing; The side of the main disc (1) is provided with an outwardly extending base (4), and the base (4) is provided with a driver for driving the auxiliary pulley (8) to rotate.

2. The jumbo size low noise cross-roller bearing detection tooling of claim 1, wherein: The upper surface of the support seat (3) is provided with a lower clamping shaft (31) clamped with the mounting hole on the outer ring of the bearing.

3. The jumbo size low noise cross-roller bearing detection tooling of claim 1, wherein: The bottom of the support seat (3) is rotatably provided with a ball (33).

4. The jumbo size low noise cross-roller bearing detection tooling of claim 1, wherein: The side of the support seat (3) is provided with a handle (32).

5. The jumbo size low noise crossed-roller bearing testing tooling of claim 1, wherein: The driver comprises a servo motor (5), and the output shaft of the servo motor (5) is provided with a main pulley (51); the main pulley (51) is in transmission connection with the auxiliary pulley (8) through an external belt.

6. The super large low noise cross-roller bearing detection tooling of claim 5, wherein: The side of the servo motor (5) is provided with an adjusting seat (6), and the screw hole in the adjusting seat (6) is in threaded connection with an adjusting bolt (61); the bottom of the adjusting bolt (61) is in rotational connection with the base (4).

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