阅读说明：本技术 内圈段差深度差异测定器 (Depth difference measurer for inner ring section difference ) 是由 赵圣学 于 2018-06-13 设计创作，主要内容包括：本发明公开了一种内圈段差深度差异测定器,其包括：底座；支撑架,支撑架的一端滑动连接于底座；定位件,定位件的一端固定于底座,另一端能够穿设于万向节轴承,且另一端的外表面沿定位件的周向设有定位端,定位件用于固定万向节轴承,且定位端用于抵靠于万向节轴承的内圈段差的端面；测量组件,测量组件固定于支撑架,且相对于定位件设置,测量组件用于测试标准的万向节轴承与待校准的万向节轴承分别固定于定位件时的位置。本发明的内圈段差深度差异测定器通过设置整体结构,能够快速量测待校准的万向节轴承的内圈段差与标准的万向节轴承的内圈段差的深度差异,并能有效保证量测的准确性及稳定性。(The invention discloses an inner ring segment difference depth difference measurer, which comprises: a base; one end of the supporting frame is connected to the base in a sliding manner; one end of the positioning piece is fixed on the base, the other end of the positioning piece can penetrate through the universal joint bearing, a positioning end is arranged on the outer surface of the other end of the positioning piece along the circumferential direction of the positioning piece, the positioning piece is used for fixing the universal joint bearing, and the positioning end is used for abutting against the end face of the inner ring section difference of the universal joint bearing; and the measuring assembly is fixed on the support frame and is arranged relative to the positioning piece, and the measuring assembly is used for testing the position of the standard universal joint bearing and the position of the universal joint bearing to be calibrated when the universal joint bearing is fixed on the positioning piece respectively. The depth difference measurer for the inner ring section difference can quickly measure the depth difference between the inner ring section difference of the universal joint bearing to be calibrated and the inner ring section difference of a standard universal joint bearing by arranging the integral structure, and can effectively ensure the accuracy and the stability of measurement.)

1. An inner ring step depth difference determinator for measuring a depth difference between an inner ring step of a standard cardan bearing and an inner ring step of a cardan bearing to be calibrated, characterized in that the inner ring step depth difference determinator comprises:

a base;

one end of the supporting frame is connected to the base in a sliding mode;

one end of the positioning piece is fixed on the base, the other end of the positioning piece can penetrate through the universal joint bearing, a positioning end is arranged on the outer surface of the other end of the positioning piece along the circumferential direction of the positioning piece, the positioning piece is used for fixing the universal joint bearing, and the positioning end is used for abutting against the end face of the inner ring section difference of the universal joint bearing;

the measuring component is fixed on the supporting frame and arranged relative to the positioning piece, and the measuring component is used for measuring the positions of the standard universal joint bearing and the universal joint bearing to be calibrated when the positioning piece is fixed on respectively.

2. The inner ring differential depth difference measurer according to claim 1, wherein the positioning member includes an installation portion and an inner diameter fool-proof portion connected to each other in an axial direction of the positioning member, an outer diameter of the installation portion is greater than an outer diameter of the inner diameter fool-proof portion, the outer diameter of the inner diameter fool-proof portion is equal to a minimum diameter of the inner ring of the standard universal joint bearing, and the positioning end is provided at an end of the installation portion close to the inner diameter fool-proof portion.

3. The inner ring differential depth difference measurer according to claim 2, wherein the mounting portion is provided with mounting holes along an axial direction of the positioning member, and one end of the mounting portion close to the base is provided with at least one fixing hole along a circumferential direction of the mounting portion at intervals, and a central axis of the fixing hole is perpendicular to a central axis of the positioning member.

4. The inner ring segment difference depth difference measurer according to claim 1, wherein the measuring assembly comprises a measuring rod, a gauge and a gauge fixing rod, the gauge fixing rod is movably connected to the support frame, the extending direction of the gauge fixing rod is parallel to the axial direction of the positioning member, the gauge is fixed on the gauge fixing rod, one end of the measuring rod is connected with the gauge, the other end of the measuring rod abuts against the universal joint bearing, and the reading of the gauge changes according to the extension and contraction of the measuring rod.

5. The inner ring step depth difference measurer according to claim 1, wherein the base includes a horizontal plate and a vertical plate perpendicular to each other, the positioning member is fixed to the vertical plate, and a central axis of the positioning member is perpendicular to the vertical plate; one end of the supporting frame is connected to the upper surface of the transverse plate of the base in a sliding mode.

6. The inner ring segment difference depth difference measurer as claimed in claim 5, wherein the upper surface of the transverse plate of the base is provided with a guide groove, the center line of the guide groove is parallel to the center line of the positioning member, and the support frame is slidably disposed in the guide groove.

7. The inner ring step depth difference measurer as claimed in claim 6, wherein the support frame comprises a vertical portion and a horizontal portion connected to each other, the vertical portion is perpendicular to the horizontal portion, the measuring assembly is movably connected to an end of the vertical portion away from the horizontal portion, and the horizontal portion is slidably disposed in the guide groove of the base.

8. The inner ring differential depth gauge according to claim 7, wherein a vertical fixing groove is formed in the vertical portion, the vertical fixing groove extends in a direction perpendicular to the axial direction of the positioning member, a gauge fixing rod of the measuring assembly is perpendicular to the vertical portion, a plurality of fixing threaded holes are formed in the gauge fixing rod, the plurality of fixing threaded holes are spaced apart in a direction parallel to the axial direction of the positioning member, a fastening bolt penetrates through the vertical fixing groove and is threadedly coupled to one of the fixing threaded holes, and a bolt head of the fastening bolt is pressed against the vertical portion.

9. The inner ring level difference depth difference measuring instrument according to claim 7, wherein the horizontal portion is provided with a horizontal fixing groove, an extending direction of the horizontal fixing groove is parallel to an axial direction of the positioning member, a base screw hole is formed in the guide groove of the base, a fastening bolt passes through the horizontal fixing groove and is screwed into the base screw hole, and a bolt head of the fastening bolt is pressed against the horizontal portion.

Technical Field

The invention relates to an inner ring section difference depth difference measurer.

Background

The quality of the inner ring of the bearing has great influence on the performance, the service life and the like of the bearing, so that the requirement on the size precision of the inner ring is high. Especially, the accuracy and stability of special bearings and measuring tools have great influence on the quality of products.

Disclosure of Invention

The invention provides a depth difference measurer for an inner ring section difference, aiming at overcoming the defects that in the prior art, no measuring tool specially used for calibrating the depth of the inner ring section difference of a bearing exists, only a contourgraph or other measuring tools are used for measuring, and the contourgraph or other measuring tools are inconvenient to use and long in measuring time, so that the production efficiency is influenced.

The invention solves the technical problems through the following technical scheme:

an inner ring step depth difference determinator for measuring a depth difference between an inner ring step of a standard cardan bearing and an inner ring step of a cardan bearing to be calibrated, characterized in that the inner ring step depth difference determinator comprises:

a base;

one end of the supporting frame is connected to the base in a sliding mode;

one end of the positioning piece is fixed on the base, the other end of the positioning piece can penetrate through the universal joint bearing, a positioning end is arranged on the outer surface of the other end of the positioning piece along the circumferential direction of the positioning piece, the positioning piece is used for fixing the universal joint bearing, and the positioning end is used for abutting against the end face of the inner ring section difference of the universal joint bearing;

the measuring component is fixed on the supporting frame and arranged relative to the positioning piece, and the measuring component is used for measuring the positions of the standard universal joint bearing and the universal joint bearing to be calibrated when the positioning piece is fixed on respectively.

In the technical scheme, the universal joint bearing is fixed through the positioning piece, and the positioning end abuts against the end face of the inner ring section difference of the universal joint bearing, so that the same positioning is carried out on the inner ring section difference of the standard universal joint bearing and the initial end face of the inner ring section difference of the universal joint bearing to be calibrated, and the accuracy of measurement is ensured; and the measuring component is used for measuring the position of the standard universal joint bearing when the standard universal joint bearing is fixed on the positioning part as a standard position, and then the measuring component is used for measuring the position of the universal joint bearing to be calibrated when the universal joint bearing to be calibrated is fixed on the positioning part to obtain the difference between the universal joint bearing to be calibrated and the standard universal joint bearing, so that the universal joint bearing to be calibrated is adjusted to achieve the consistency with the standard universal joint bearing. Compared with the prior art, the measuring mode of the technical scheme has the advantages that the depth of the inner ring section difference of the standard universal joint bearing and the depth of the inner ring section difference of the universal joint bearing to be calibrated are measured out through the measuring tool and then compared, so that the measuring mode is quicker and more accurate; in addition, the end face with small contact surface of the inner ring segment difference of the universal joint bearing is prevented from being directly tested by the measuring tool, and the testing accuracy is greatly improved.

Preferably, the setting element is followed the axial of setting element is including the installation department and the internal diameter that are connected and is prevented slow-witted portion, the external diameter of installation department is greater than the external diameter of the slow-witted portion is prevented to the internal diameter, just the external diameter that the slow-witted portion was prevented to the internal diameter equals the minimum diameter of the inner circle of standard universal joint bearing, the installation department is close to the one end that the slow-witted portion was prevented to the internal diameter is equipped with the location end.

In this technical scheme, the setting of the minimum diameter of the inner circle of the cardan bearing of standard is prevented slow-witted portion by the internal diameter of setting element, can measure the difference between the degree of depth of the inner circle segment difference of the cardan bearing of treating the calibration and the degree of depth of the inner circle segment difference of the cardan bearing of standard fast, can also prevent simultaneously that slow-witted portion surveys the inner circle diameter of the cardan bearing of treating the calibration whether meet the requirements through the internal diameter, and reach the slow-witted effect of preventing of the inner circle diameter of cardan bearing.

Preferably, the installation department is followed the axial of setting element is equipped with the mounting hole, just the installation department is close to the one end of base is followed the circumference interval of installation department is equipped with at least one fixed orifices, the central axis perpendicular to of fixed orifices the central axis of setting element.

In this technical scheme, through setting up the fixed orifices, make things convenient for the setting element to play the fixed action relatively to the setting element when installing to the base, prevent to skid.

Preferably, the measuring component comprises a measuring rod, a gauge and a gauge fixing rod, the gauge fixing rod is movably connected to the supporting frame, the extending direction of the gauge fixing rod is parallel to the axial direction of the positioning piece, the gauge is fixed on the gauge fixing rod, one end of the measuring rod is connected with the gauge, the other end of the measuring rod abuts against the universal joint bearing, and the reading of the gauge changes according to the expansion of the measuring rod.

In this technical scheme, through the setting of scale dead lever swing joint in the support frame, can adjust the position of scale and measuring stick for fixing the universal joint bearing on the setting element.

Preferably, the base comprises a transverse plate and a vertical plate which are perpendicular to each other, the positioning piece is fixed on the vertical plate, and the central axis of the positioning piece is perpendicular to the vertical plate; one end of the supporting frame is connected to the upper surface of the transverse plate of the base in a sliding mode.

Preferably, the upper surface of the transverse plate of the base is provided with a guide groove, the central line of the guide groove is parallel to the central axis of the positioning piece, and the support frame is slidably arranged in the guide groove.

In this technical scheme, through setting up the guide way, play direction and limiting displacement to the slip direction of support frame.

Preferably, the support frame comprises a vertical part and a horizontal part which are connected, the vertical part is perpendicular to the horizontal part, the measuring assembly is movably connected to one end of the vertical part, which is far away from the horizontal part, and the horizontal part is slidably arranged in the guide groove of the base.

Preferably, a vertical fixing groove is formed in the vertical portion, the extending direction of the vertical fixing groove is perpendicular to the axial direction of the positioning element, the gauge fixing rod of the measuring assembly is perpendicular to the vertical portion, a plurality of fixing threaded holes are formed in the gauge fixing rod, the fixing threaded holes are arranged in a spaced mode along the axial direction of the positioning element, a fastening bolt penetrates through the vertical fixing groove and is in threaded connection with one of the fixing threaded holes, and the bolt head of the fastening bolt is tightly pressed on the vertical portion.

In this technical scheme, through setting up vertical fixed slot, can adjust measuring component's position in the axial direction of perpendicular to setting element, simultaneously through fastening bolt and fixed screw hole's cooperation, can adjust measuring component in the position that is on a parallel with the axial direction of setting element.

Preferably, a horizontal fixing groove is formed in the horizontal portion, the extending direction of the horizontal fixing groove is parallel to the axial direction of the positioning piece, a base threaded hole is formed in the guide groove of the base, a fastening bolt penetrates through the horizontal fixing groove and is in threaded connection with the base threaded hole, and a bolt head of the fastening bolt is pressed on the horizontal portion.

In this technical scheme, through setting up horizontal fixed slot, can be through the position of horizontal part micro-adjustment measuring component in the axial direction that is on a parallel with the setting element.

The positive progress effects of the invention are as follows:

the depth difference measurer for the inner ring section difference can quickly measure the depth difference between the inner ring section difference of the universal joint bearing to be calibrated and the inner ring section difference of a standard universal joint bearing by arranging the integral structure, and can effectively ensure the accuracy and the stability of measurement.

Drawings

Fig. 1 is a schematic perspective view of an inner ring step depth difference measuring device and a universal joint bearing according to a preferred embodiment of the present invention.

FIG. 2 is a schematic diagram of a partial cross-sectional structure of an inner ring step depth difference measuring device and a universal joint bearing according to a preferred embodiment of the present invention.

Fig. 3 is a schematic cross-sectional structural view of a positioning member and a gimbal bearing of an inner ring step depth difference measuring device according to a preferred embodiment of the present invention.

Fig. 4 is a schematic perspective view of a positioning member of an inner ring step difference depth difference measuring device according to a preferred embodiment of the present invention.

FIG. 5 is a schematic cross-sectional view of a positioning member of an inner ring step depth difference measuring device according to a preferred embodiment of the present invention.

Description of the reference numerals

Inner ring segment difference depth difference measurer 1

Base 10

Transverse plate 11

Guide groove 111

Riser 12

Base screw hole 13

Support 20

Vertical part 21

Vertical fixing groove 211

Horizontal part 22

Horizontal fixing groove 221

Positioning member 30

Positioning end 31

Mounting portion 32

Mounting hole 321

Fixing hole 322

Inner diameter fool-proof portion 33

Measuring assembly 40

Measuring rod 41

Gauge 42

Meter fixing rod 43

Fastening screw hole 431

Fastening bolt 50

Universal joint bearing 2

End surface 21 of inner ring segment difference of universal joint bearing

Axial direction A of the positioning member

Outer diameter d1 of mounting portion

Outer diameter d2 of inner diameter fool-proof part

Minimum diameter D of inner ring of universal joint bearing

Depth L of inner ring segment difference of universal joint bearing

Detailed Description

The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.

As will be understood with reference to fig. 1 to 5, the present embodiment provides an inner ring step depth difference measuring instrument 1 for measuring a depth difference between an inner ring step of a standard universal joint bearing and an inner ring step of a universal joint bearing to be calibrated, the inner ring step depth difference measuring instrument 1 including: the base 10, the support 20, the positioning member 30 and the measuring assembly 40. The joint bearings 2 in fig. 1 to 3 are all standard joint bearings.

One end of the supporting frame 20 is slidably connected to the base 10. One end of the positioning element 30 is fixed on the base 10, the other end can penetrate through the universal joint bearing 2, the outer surface of the other end is provided with a positioning end 31 along the circumferential direction of the positioning element 30, the positioning element 30 is used for fixing the universal joint bearing 2, and the positioning end 31 is used for abutting against the end surface of the inner ring section difference of the universal joint bearing 2. The measuring assembly 40 is fixed to the supporting frame 20 and disposed opposite to the positioning member 30, and the measuring assembly 40 is used for measuring the positions of the standard universal joint bearing and the universal joint bearing to be calibrated when the universal joint bearing is fixed to the positioning member 30. Thus, the universal joint bearing 2 is fixed through the positioning piece 30, and the positioning end 31 abuts against the end face of the inner ring segment difference of the universal joint bearing 2, so that the same positioning is carried out on the inner ring segment difference of the standard universal joint bearing and the initial end face of the inner ring segment difference of the universal joint bearing to be calibrated, and the accuracy of measurement is ensured; and the position of the standard universal joint bearing is measured by the measuring component 40 and fixed on the positioning component 30 as a standard position, and then the position of the universal joint bearing to be calibrated, which is fixed on the positioning component 30, is measured by the measuring component 40 to obtain the difference between the position of the universal joint bearing to be calibrated and the position of the standard universal joint bearing, so that the universal joint bearing to be calibrated is adjusted to achieve the consistency with the standard universal joint bearing.

In this embodiment, the positioning member 30 includes a mounting portion 32 and an inner diameter fool-proof portion 33 connected to each other along an axial direction a of the positioning member, an outer diameter D1 of the mounting portion is larger than an outer diameter D2 of the inner diameter fool-proof portion, an outer diameter D2 of the inner diameter fool-proof portion is equal to a minimum diameter D of an inner ring of a standard universal joint bearing, and a positioning end 31 is disposed at an end of the mounting portion 32 close to the inner diameter fool-proof portion 33. Like this, the external diameter D2 of the slow-witted portion of internal diameter of setting element 30 is set up according to the minimum diameter D of the inner circle of the universal joint bearing of standard, can measure the difference between the degree of depth of the inner circle segment difference of the universal joint bearing of treating the calibration and the degree of depth L of the inner circle segment difference of the universal joint bearing of standard fast, can also survey through the slow-witted portion 33 of internal diameter whether the inner circle diameter of the universal joint bearing of treating the calibration meets the requirements simultaneously, and reach the slow-witted effect of preventing of the inner circle diameter of the universal joint bearing of calibration.

The mounting portion 32 is provided with a mounting hole 321 along an axial direction a of the positioning element, and one end of the mounting portion 32 close to the base 10 is provided with at least one fixing hole 322 along a circumferential direction of the mounting portion 32 at intervals, and a central axis of the fixing hole 322 is perpendicular to a central axis of the positioning element 30. The fixing member is inserted through the base 10 and the mounting hole 321 to fix the positioning member 30 on the base 10. Thus, the fixing hole 322 is provided to facilitate the positioning member 30 to perform a relative fixing function on the positioning member 30 when being installed on the base 10, so as to prevent slipping.

In this embodiment, the measuring assembly 40 includes a measuring rod 41, a gauge 42 and a gauge fixing rod 43, the gauge fixing rod 43 is movably connected to the supporting frame 20, the extending direction of the gauge fixing rod 43 is parallel to the axial direction a of the positioning member, the gauge 42 is fixed on the gauge fixing rod 43, one end of the measuring rod 41 is connected to the gauge 42, the other end of the measuring rod is abutted to the universal joint bearing 2, and the reading of the gauge 42 changes according to the extension and contraction of the measuring rod 41. Thus, the position of the gauge 42 and the measuring rod 41 relative to the gimbal bearing 2 fixed to the spacer 30 can be adjusted by the arrangement of the gauge fixing rod 43 movably connected to the support frame 20.

The base 10 comprises a transverse plate 11 and a vertical plate 12 which are mutually perpendicular, the positioning piece 30 is fixed on the vertical plate 12, and the central axis of the positioning piece 30 is perpendicular to the vertical plate 12; one end of the supporting frame 20 is slidably connected to the upper surface of the horizontal plate 11 of the base 10. The upper surface of the transverse plate 11 of the base 10 is provided with a guide groove 111, the central line of the guide groove 111 is parallel to the central axis of the positioning member 30, and the support frame 20 is slidably disposed in the guide groove 111. In this way, the guide groove 111 is provided to guide and limit the sliding direction of the support frame 20.

The support frame 20 comprises a vertical part 21 and a horizontal part 22 which are connected, wherein the vertical part 21 is perpendicular to the horizontal part 22, the measuring assembly 40 is movably connected to one end of the vertical part 21 far away from the horizontal part 22, and the horizontal part 22 is slidably arranged in a guide groove 111 of the base 10.

Vertical fixed slot 211 has been seted up on vertical portion 21, the extending direction perpendicular to setting element's of vertical fixed slot 211 axial A, the vertical portion 21 of scale dead lever 43 perpendicular to of measuring subassembly 40, and seted up three fixed screw hole 431 on the scale dead lever 43, three fixed screw hole 431 sets up along the direction interval that is on a parallel with the axial A of setting element, fastening bolt 50 passes vertical fixed slot 211 and threaded connection in one of them fixed screw hole 431, fastening bolt 50's bolt head sticiss on vertical portion 21. In this way, by providing the vertical fixing groove 211, the position of the measuring unit 40 can be adjusted in the direction perpendicular to the axial direction a of the spacer, while the position of the measuring unit 40 in the direction parallel to the axial direction a of the spacer can be adjusted by the cooperation of the fastening bolt 50 and the fixing screw hole 431. In other embodiments, the number of the fixing threaded holes 431 may be set to be different according to design requirements.

The horizontal portion 22 is provided with a horizontal fixing groove 221, the extending direction of the horizontal fixing groove 221 is parallel to the axial direction a of the positioning element, a base threaded hole 13 is formed in the guide groove 111 of the base 10, the fastening bolt 50 passes through the horizontal fixing groove 221 and is in threaded connection with the base threaded hole 13, and the bolt head of the fastening bolt 50 is tightly pressed on the horizontal portion 22. Thus, by providing the horizontal fixing groove 221, the position of the measuring unit 40 in the direction parallel to the axial direction a of the positioning member can be finely adjusted by the horizontal portion 22.

When the inner ring step depth difference measurer 1 in the present embodiment is used, the standard universal joint bearing is fixed on the positioning member 30 of the inner diameter step depth difference measurer, and the positioning end 31 is abutted against the end surface 21 of the inner ring step of the standard universal joint bearing; the position of the measuring rod 41 is adjusted by adjusting the position of the gauge fixing rod 43, so that one end of the measuring rod 41, which is far away from the gauge 42, is abutted against a standard universal joint bearing, and the reading of the gauge 42 is adjusted to the zero position; removing the standard cardan bearing from the spacer 30; fixing the universal joint bearing to be calibrated on the positioning piece 30, and enabling the positioning end 31 to abut against the end surface of the inner ring segment difference of the universal joint bearing to be calibrated; when one end of the measuring rod 41, which is far away from the gauge 42, abuts against the universal joint bearing to be calibrated, the reading of the gauge 42 is recorded, and the depth of the inner ring section difference of the universal joint bearing to be calibrated is adjusted according to the reading of the gauge 42.

The depth difference measurer for the inner ring section difference is small in size and simple in structure, can be arranged beside a machine tool, all parts are fixedly connected through fastening bolts, and then are calibrated through a sample gauge with a corresponding model, so that the depth difference measurer can be put into use.

The depth difference measurer for the inner ring section difference can quickly measure the depth difference between the inner ring section difference of the universal joint bearing to be calibrated and the inner ring section difference of a standard universal joint bearing by arranging an integral structure, and can effectively ensure the accuracy and the stability of measurement; meanwhile, the depth difference measurer 1 for the inner ring section difference is more convenient to use and convenient to install and debug through a simplified structural design.

While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that these are by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.