CN106441193A - Tapered roller bearing axial error measuring instrument with measurer being horizontally and longitudinally adjustable - Google Patents

Abstract

The invention discloses an axial error measuring instrument of a tapered roller bearing whose measuring instrument can be adjusted horizontally and vertically. It includes an operating table, on which at least two bearing rings are coaxially arranged, balls are evenly distributed on the circumference of the upper surface of the bearing rings; one side of the operating table is provided with a column, and one side of the column is provided with a groove. There is a horizontal fixed platform in the groove, one end of the horizontal fixed platform protrudes from the groove and a tongue plate is provided inside it, one end of the tongue plate extends out of the horizontal fixed platform and connects the measuring device, one end of the tongue plate in the horizontal fixed platform There is a tooth plate on the side, and a gear is connected to one side of the tooth plate, and one end of the coupling shaft in the middle of the gear protrudes to the outside of the horizontal fixed table; a longitudinal adjustment screw runs through the horizontal fixed table in the groove longitudinally, and the vertical adjustment The bottom of the screw rod is connected in the column. The invention can ensure the coaxiality of inner ring rotation, has high accuracy of measurement results, and can be used for axial error measurement of partner sides of inner rings of various bearings with different diameters and axial heights.

Description

An axial error measuring instrument for tapered roller bearings with adjustable horizontal and vertical measuring instruments

technical field

The invention relates to an axial error measuring instrument for tapered roller bearings, in particular to an axial error measuring instrument for tapered roller bearings whose measuring device can be adjusted horizontally and vertically.

Background technique

The tapered roller bearing axial error measuring instrument is mainly used to measure the axial error of the large rib of the inner ring of the tapered roller bearing. Because the shape error of the large rib of the inner ring will cause the axial runout of the bearing during operation, so The shape of the large rib of the inner ring directly affects the rotational flexibility of the rollers, the working stability and the service life of the bearing. Therefore, whether the thickness of the inner surface of the large rib of the inner ring and the base surface of the inner ring is uniform directly affects the quality of the bearing It is an important indicator, so it is necessary to test this indicator before the tapered roller bearing is put into use.

At present, the method used to measure the bearing error of the large rib of the inner ring of the tapered roller bearing is to place the inner ring on the workbench, press the detection head of the testing instrument on the base surface of the large rib, and then manually rotate For the inner ring, the axial error of the large rib of the inner ring is obtained by reading the value on the testing instrument. However, there are many defects in this detection method, as follows:

It is difficult to ensure the coaxiality of the inner ring in the process of manually rotating the inner ring, but only the error between the heights of the points on the same circumference on the base surface of the large rib of the inner ring can truly reflect the large rib of the inner ring. Axial error, so the result is that this detection method is less accurate.

Contents of the invention

The object of the present invention is to provide a tapered roller bearing axial error measuring instrument whose measuring instrument can be adjusted horizontally and vertically. The invention can ensure the coaxiality of inner ring rotation, has high accuracy of measurement results, and can be used for axial error measurement of partner sides of inner rings of various bearings with different diameters and axial heights.

The technical solution of the present invention: a tapered roller bearing axial error measuring instrument with a measuring device that can be adjusted horizontally and vertically. There are at least 3 balls evenly distributed on the circumference of the upper surface; there is a column on one side of the operation platform, and a groove is provided on the side of the column close to the operation platform, and a horizontal fixing platform is arranged in the groove, and one end of the horizontal fixing platform protrudes Groove, and a tongue plate is provided in the protruding end, one end of the tongue plate protrudes from the horizontal fixed platform, and a measuring device is provided on the protruding end, and a tooth plate is provided on one side of the tongue plate located inside the horizontal fixed platform , one side of the tooth plate is connected with a gear, the middle part of the gear is provided with a connecting shaft in the axial direction, the two ends of the connecting shaft are fixed in the horizontal fixed platform, and one end of the connecting shaft extends to the outside of the horizontal fixed platform; A vertically adjusting screw rod runs through the horizontal fixing table in the groove vertically, and the vertically adjusting screw rod is threadedly connected with the horizontal fixing table.

In the above-mentioned tapered roller bearing axial error measuring instrument with horizontal and vertical adjustable measuring instruments, 3-5 bearing support rings of different sizes are coaxially arranged on the operating platform.

In the aforesaid tapered roller bearing axial error measuring instrument with adjustable horizontal and vertical directions, three balls are evenly distributed on the circumference of the upper surface of the bearing support ring.

In the measuring instrument for measuring the axial error of tapered roller bearings which can be adjusted horizontally and vertically, a manual rotating handle is provided on the end of the vertical adjustment screw and the connecting shaft protruding from the horizontal fixed platform.

Beneficial effects of the present invention:

1. In the present invention, the bearing support ring is set on the operating table, the bearing is placed on the bearing support ring during measurement, and then the measuring head of the measuring device is pressed on the upper base surface of the large rib of the inner ring of the bearing, and the bearing can be rotated The error measurement is carried out. During the measurement process, the bearing always keeps rotating on the bearing support ring, which ensures the coaxiality of the rotation and improves the accuracy of the measurement result.

2. The present invention realizes the measurement of multiple types on the same detection device by setting multiple layers of coaxial bearing support rings with different sizes (designed according to the conventional product size), and adjusting the lateral position of the detector through tooth plates and gears. The purpose of the axial error of the inner ring rib of the bearing with different diameters is to reduce the input of testing cost.

3. In the present invention, a groove is set on the column, and the screw rod is adjusted longitudinally on the horizontal fixed platform deep into the groove. When the axial height of the tested bearing changes and cannot adapt to the position of the measuring device, the Rotate the longitudinal adjustment screw to adjust the distance between the bearing support ring and the measuring device to meet the measurement of bearings with different heights, and realize the axial measurement of the inner ring flange of various bearings with different axial heights on the same testing equipment The purpose of error further reduces the input of testing cost.

Description of drawings

Accompanying drawing 1 is a structural representation of the present invention;

Accompanying drawing 2 is the perspective view of the present invention.

Explanation of reference signs: 1-operating table, 2-bearing supporting ring, 3-ball, 4-column, 5-groove, 6-tongue plate, 7-measurer, 8-horizontal fixed platform, 9-coupling, 10-longitudinal adjustment screw, 11-gear, 12-tooth plate, 13-manual rotation handle.

detailed description

The present invention will be further described below in conjunction with the accompanying drawings and embodiments, but not as a basis for limiting the present invention.

Embodiment of the present invention: a tapered roller bearing axial error measuring instrument whose measuring instrument can be adjusted horizontally and vertically. There are three balls 3 evenly distributed on the circumference of the upper surface of the bearing ring 2 (generally 3-5 pieces) of different sizes; the side of the console 1 is provided with a column 4, and the column 4 is close to the console One side of 1 is provided with groove 5, and groove 5 is provided with horizontal fixed platform 8, and one end of horizontal fixed platform 8 stretches out groove 5, and is provided with tongue plate 6 in the protruding end, and one end of tongue plate 6 Stretch out horizontal fixed table 5, and be provided with measurer 7 on the extended end, be positioned at the side of tongue plate 6 inside horizontal fixed table 8 be provided with toothed plate 12, one side of toothed plate 12 is connected with gear 11, gear 11 is provided with a connecting shaft 9 axially in the middle part, and the two ends of the connecting shaft 9 are fixed in the horizontal fixed table 5, and one of the ends of the connected shaft 9 protrudes to the outside of the horizontal fixed table 8; Longitudinal adjustment screw mandrel 10 is run through on the horizontal fixed platform 8 of the vertical adjustment screw mandrel 10 and horizontal fixed platform 8 screw connections, and the bottom of vertical adjustment screw mandrel 10 is movably connected in the column 4, and the top passes the column 4.

One end of the longitudinal adjustment screw rod 10 and the connecting shaft 9 protruding from the horizontal fixed platform 8 is respectively provided with a manual rotating handle 13 .

Working principle: When measuring, put the bearing on the bearing support ring 2 corresponding to its diameter, cleverly use the overtravel groove on the inner ring of the tapered roller bearing, and support the inner ring on the bearing support ring 2 through the ball 3, Thereby the bearing is positioned, and then the gear 11 is driven to rotate by rotating the connecting shaft 9, and the gear 11 drives the tongue plate 6 to move laterally in the horizontal fixed plate 8 through the tooth plate 12, thereby adjusting the position of the measuring device 7 laterally, so that the measuring device 7 The measuring head is positively pressed on the upper base surface of the rib of the inner ring of the bearing, then the bearing is rotated, and the axial error of the rib of the inner ring of the bearing can be obtained by reading the data on the measuring side 7; when the axial height of the measured bearing is Changes occur, causing the upper base surface of the inner ring flange to exceed or not touch the measuring head of the measuring device 7, turn the longitudinal adjustment screw 10, and adjust the position of the horizontal fixing plate 8 in the groove 5 to adjust the detector 7 Longitudinal height, so as to meet the measurement of bearings with different axial heights.

Claims (4)

1. A tapered roller bearing axial error measuring instrument with adjustable horizontal and vertical measuring instruments, characterized in that it includes an operating platform (1), and at least two bearings of different sizes are coaxially arranged on the operating platform (1) At least 3 balls (3) are evenly distributed on the upper surface of the support ring (2) and the bearing support ring (2); a column (4) is arranged on one side of the console (1), and the column (4) is close to the console One side of (1) is provided with a groove (5), and a horizontal fixed platform (8) is arranged in the groove (5), and one end of the horizontal fixed platform (8) protrudes from the groove (5), and at the protruding end There is a tongue plate (6) inside, and one end of the tongue plate (6) protrudes from the horizontal fixed platform (5), and a measuring device (7) is provided on the extended end, and the tongue plate located inside the horizontal fixed platform (8) One side of (6) is provided with a toothed plate (12), and one side of the toothed plate (12) is connected with a gear (11), and the middle part of the gear (11) is provided with a connecting shaft (9) axially, and the connecting shaft ( Both ends of 9) are fixed in the horizontal fixed platform (5), and one end of the coupling shaft (9) protrudes to the outside of the horizontal fixed platform (8); the horizontal fixed platform (8) in the groove (5) ) runs through a longitudinal adjustment screw (10) longitudinally, the longitudinal adjustment screw (10) is threadedly connected to the horizontal fixed table (8), the bottom of the longitudinal adjustment screw (10) is movably connected in the column (4), and the top Thread out the uprights (4). 2. The tapered roller bearing axial error measuring instrument whose measurer can be adjusted horizontally and vertically according to claim 1, characterized in that 3-5 bearings of different sizes are coaxially arranged on the console (1) Support ring (2). 3. The tapered roller bearing axial error measuring instrument with adjustable horizontal and vertical measuring instruments according to claim 1, characterized in that: 3 balls are evenly distributed on the circumference of the upper surface of the bearing support ring (2) 3). 4. The tapered roller bearing axial error measuring instrument with horizontal and vertical adjustable measuring instruments according to claim 1, characterized in that: the longitudinal adjustment screw (10) and the connecting shaft (9) extend out of the horizontal fixed platform One end of (8) is provided with a manual rotation handle (13) respectively.