CN214250833U

CN214250833U - Inside measuring device of ball bearing

Info

Publication number: CN214250833U
Application number: CN202023305469.6U
Authority: CN
Inventors: 魏胜云
Original assignee: Shandong Yisen Precision Bearing Co ltd
Current assignee: Shandong Yisen Precision Bearing Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-09-21
Anticipated expiration: 2030-12-31

Abstract

The utility model relates to a technical field is measured to the bearing, specifically is an inside measuring device of ball bearing, the on-line screen storage device comprises a base, the top of base difference fixedly connected with frame and supporting seat, the supporting seat is located the inside of frame, sliding connection has the measuring stick between supporting seat and the frame, the bottom fixedly connected with amesdial of measuring stick, the top of supporting seat is provided with positioning mechanism, ball bearing has been cup jointed on positioning mechanism's surface, the inner wall of frame is provided with pressure mechanism. The utility model discloses a set up positioning mechanism and pressure mechanism, can be different to the inner circle size, perhaps highly different ball bearing is inside to be measured, and need not to change the measuring utensil, and need not artifical manual measuring, reduced the human cost, improved measurement accuracy, through setting up measuring stick and amesdial, can directly obtain measurement value, need not to measure repeatedly and can obtain reliable measuring result, improve work efficiency greatly.

Description

Inside measuring device of ball bearing

Technical Field

The utility model relates to a technical field is measured to the bearing, specifically is an inside measuring device of ball bearing.

Background

The ball bearing is one of rolling bearings, and its purpose is to determine the relative position of two parts and ensure their free rotation, and at the same time transfer the load between them, the bearing play refers to the total distance that a certain ring of the bearing can move in a certain direction relative to another ring before the bearing is not mounted on the shaft or bearing box, the size of the internal play in the operation of the rolling bearing has great influence on the bearing performance such as fatigue life, vibration, noise and temperature rise, so the internal play of the bearing is selected, and for the bearing with determined structure size, it is an important research project, and in order to select proper ball bearing, it needs to use a ball bearing internal measuring device.

However, when the inside of the ball bearing is measured at present, manual operation is needed, so that the accuracy of the measurement result is insufficient, the ball bearing inside measuring device on the market at present can only match with a ball bearing with one size, and when the ball bearings with different inner ring sizes or different heights need to be measured, measuring tools are often needed to be replaced, so that the measurement cost is high, and the measurement efficiency is low. In view of this, we propose a ball bearing internal measurement device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an inside measuring device of ball bearing, this inside measuring device of ball bearing has solved the problem among the background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an inside measuring device of ball bearing, includes the base, the top of base fixedly connected with frame and supporting seat respectively, the supporting seat is located the inside of frame, sliding connection has the measuring stick between supporting seat and the frame, the bottom fixedly connected with amesdial of measuring stick, the top of supporting seat is provided with positioning mechanism, ball bearing has been cup jointed on positioning mechanism's surface, the inner wall of frame is provided with pressure mechanism.

Preferably, two observation ports are formed in the surface of the base, the number of the dial indicators is two, and the two dial indicators are respectively located inside the two observation ports.

Preferably, the pressure mechanism comprises an air cylinder, the top of the air cylinder is fixedly connected with the top of the inner wall of the frame, the bottom of the air cylinder is fixedly connected with a sliding plate, the surface of the sliding plate is slidably connected with the inner wall of the frame, a supporting rod and a first spring are fixedly connected inside the sliding plate respectively, the inside of the first spring is fixedly sleeved with the surface of the supporting rod, the left end of the first spring is fixedly connected with a sliding block, the surface of the sliding block is slidably connected with the inside of the sliding plate, and the bottom of the sliding plate is fixedly connected with a pressing rod.

Preferably, the sliding plate is internally provided with a cavity, and the compression bar is made of tungsten steel.

Preferably, positioning mechanism is including micro motor, micro motor's bottom and the inside fixed connection of supporting seat, micro motor's output fixedly connected with rotates the post, the fixed surface that rotates the post is connected with three main bevel gear, and is three the surface of main bevel gear all meshes four vice bevel gear, the fixedly connected with threaded rod of axle center department of vice bevel gear, the surperficial threaded connection of threaded rod has the locating lever, the fixed surface of locating lever is connected with the fixed block, the bottom fixedly connected with second spring of fixed block, the bottom fixedly connected with pouring weight of second spring.

Preferably, the number of the positioning rods is four, and the lower surfaces of the four positioning rods are connected with the upper surface of the supporting seat in a sliding mode.

Borrow by above-mentioned technical scheme, the utility model provides an inside measuring device of ball bearing. The method at least has the following beneficial effects:

(1) the utility model discloses a set up positioning mechanism and pressure mechanism, can be different to the inner circle size, perhaps highly different ball bearing is inside to be measured, and need not to change the measuring utensil, and need not artifical manual measuring, reduced the human cost, improved measurement accuracy, through setting up the measuring stick to set up the amesdial in the measuring stick bottom, can directly obtain measurement value, need not to measure repeatedly and can obtain reliable measuring result, improve work efficiency greatly.

(2) The utility model discloses a cylinder drives the sliding plate downstream, can be so that depression bar extrudees ball bearing's outer lane downwards, and then make the measuring stick drive amesdial downstream, through the reading of reading out the amesdial at the viewing aperture, can obtain ball bearing's inside play value, pressure size through adjusting cylinder, can apply suitable pressure for not unidimensional ball bearing, through setting up four locating levers, can transversely fix the ball bearing of inner circle variation in size, set up the pouring weight through the bottom at the second spring, can carry out longitudinal fixity to the ball bearing of co-altitude not.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application:

fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the whole body of the present invention;

FIG. 3 is a front sectional view of the middle positioning mechanism of the present invention;

FIG. 4 is a top sectional view of the middle positioning mechanism of the present invention;

in the figure: 1. a base; 2. a frame; 3. a pressure mechanism; 31. a cylinder; 32. a sliding plate; 33. a support bar; 34. a first spring; 35. a slider; 36. a pressure lever; 4. a supporting seat; 5. a positioning mechanism; 51. a micro motor; 52. rotating the column; 53. a main bevel gear; 54. a secondary bevel gear; 55. a threaded rod; 56. positioning a rod; 57. a fixed block; 58. a second spring; 59. a weight block; 6. a ball bearing; 7. a measuring rod; 8. a dial indicator; 9. a viewing port.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

The utility model provides an inside measuring device of ball bearing, as shown in fig. 1-2, including base 1, the top of base 1 is fixedly connected with frame 2 and supporting seat 4 respectively, supporting seat 4 is located the inside of frame 2, sliding connection has measuring stick 7 between supporting seat 4 and the frame 2, the bottom fixedly connected with amesdial 8 of measuring stick 7, the top of supporting seat 4 is provided with positioning mechanism 5, ball bearing 6 has been cup jointed on positioning mechanism 5's surface, the inner wall of frame 2 is provided with pressure mechanism 3.

In this embodiment, two viewing apertures 9 have been seted up on the surface of base 1, and the quantity of amesdial 8 is two, and two amesdials 8 are located the inside of two viewing apertures 9 respectively, through setting up viewing aperture 9, can the person of facilitating the use observe the reading on the amesdial 8, through setting up amesdial 8, can convert the linear displacement of 6 outer lanes of ball bearing into the rotary motion of pointer, then read on the calibrated scale.

The pressure mechanism 3 comprises an air cylinder 31, the top of the air cylinder 31 is fixedly connected with the top of the inner wall of the frame 2, the bottom of the air cylinder 31 is fixedly connected with a sliding plate 32, the surface of the sliding plate 32 is slidably connected with the inner wall of the frame 2, the inside of the sliding plate 32 is respectively fixedly connected with a supporting rod 33 and a first spring 34, the inside of the first spring 34 is fixedly sleeved with the surface of the supporting rod 33, the left end of the first spring 34 is fixedly connected with a sliding block 35, the surface of the sliding block 35 is slidably connected with the inside of the sliding plate 32, the bottom of the sliding plate 32 is fixedly connected with a pressure lever 36, appropriate pressure can be applied to ball bearings 6 with different sizes by adjusting the pressure of the air cylinder 31, the air cylinder 31 drives the sliding plate 32 to move downwards, the pressure lever 36 can press the outer ring of the ball bearing 6 downwards, the measuring rod 7 drives the dial indicator 8 to move downwards, and the reading of the dial indicator 8 is read out through an observation port 9, the value of the internal play of the ball bearing 6 can be obtained.

The cavity has been seted up to the inside of sliding plate 32, and the material of depression bar 36 is the tungsten steel, through set up first spring 34 and slider 35 in the cavity inside for whole pressure mechanism 3 can adapt to the change of positioning mechanism 5, thereby can adapt to not unidimensional ball bearing 6, when cylinder 31 downstream, slider 35 can exert pressure to positioning mechanism 5 downwards, and then better fixed ball bearing 6, through setting up bracing piece 33, can support first spring 34, prevent that first spring 34 from warping.

Example 2

As shown in fig. 3-4, the positioning mechanism 5 includes a micro motor 51, the bottom of the micro motor 51 is fixedly connected to the inside of the supporting seat 4, the output end of the micro motor 51 is fixedly connected to a rotating column 52, the surface of the rotating column 52 is fixedly connected to three main bevel gears 53, the surfaces of the three main bevel gears 53 are respectively engaged with four sub bevel gears 54, the axial center of the sub bevel gear 54 is fixedly connected to a threaded rod 55, the surface of the threaded rod 55 is connected to a positioning rod 56, the surface of the positioning rod 56 is fixedly connected to a fixing block 57, the bottom of the fixing block 57 is fixedly connected to a second spring 58, the bottom of the second spring 58 is fixedly connected to a weight 59, by providing the weight 59, the outer ring of the ball bearing 6 can be pressed downward, so as to longitudinally fix the outer ring of the ball bearing 6, the second spring 58 enables the weight 59 to longitudinally fix the ball bearings 6 of different heights, by arranging the micro motor 51, the rotating column 52 can be driven to rotate, and then the auxiliary bevel gear 54 can be driven to rotate through the main bevel gear 53, and then the threaded rod 55 can be driven to rotate.

In this embodiment, the number of locating levers 56 has four, and the lower surface of four locating levers 56 all with the upper surface sliding connection of supporting seat 4, exert pressure for positioning mechanism 5 through pressure mechanism 3, can carry on spacingly to locating lever 56 for when threaded rod 55 rotated, the lower surface of locating lever 56 can be at the upper surface slip of supporting seat 4, thereby can carry out the transverse fixation for the ball bearing 6 of inner circle variation in size.

When the device for measuring the inside of the ball bearing is used, the pressure mechanism 3 is firstly raised to a proper height, the ball bearing 6 is sleeved on the positioning mechanism 5, then the pressure mechanism 3 is lowered until the sliding block 35 contacts with the fixed block 57, the micro motor 51 is started, the micro motor 51 drives the rotating column 52 to rotate, the auxiliary bevel gear 54 is further driven to rotate through the main bevel gear 53, the threaded rod 55 is further driven to rotate, the lower surface of the positioning rod 56 slides outwards on the supporting seat 4, the sliding block 35 can move towards the first spring 34 when the positioning rod 56 slides, when the outer surface of the positioning rod 56 fixes the ball bearing 6, the dial indicator 8 is zeroed, the air cylinder 31 is lowered to drive the sliding plate 32 to move downwards, the pressing rod 36 can press the outer ring of the ball bearing 6 downwards, and the measuring rod 7 drives the dial indicator 8 to move downwards, by reading the dial gauge 8 through the observation port 9, the internal play value of the ball bearing 6 can be obtained.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an inside measuring device of ball bearing, includes base (1), its characterized in that: the top of base (1) is fixedly connected with frame (2) and supporting seat (4) respectively, supporting seat (4) are located the inside of frame (2), sliding connection has measuring stick (7) between supporting seat (4) and frame (2), the bottom fixedly connected with amesdial (8) of measuring stick (7), the top of supporting seat (4) is provided with positioning mechanism (5), ball bearing (6) have been cup jointed on the surface of positioning mechanism (5), the inner wall of frame (2) is provided with pressure mechanism (3).

2. A ball bearing internal measurement arrangement according to claim 1, wherein: two observation ports (9) are formed in the surface of the base (1), the number of the dial indicators (8) is two, and the two dial indicators (8) are respectively located in the two observation ports (9).

3. A ball bearing internal measurement arrangement according to claim 1, wherein: the pressure mechanism (3) comprises an air cylinder (31), the top of the air cylinder (31) is fixedly connected with the top of the inner wall of the frame (2), the bottom of the air cylinder (31) is fixedly connected with a sliding plate (32), the surface of the sliding plate (32) is slidably connected with the inner wall of the frame (2), the inside of the sliding plate (32) is fixedly connected with a supporting rod (33) and a first spring (34) respectively, the inside of the first spring (34) is fixedly connected with the surface of the supporting rod (33) in a sleeved mode, the left end of the first spring (34) is fixedly connected with a sliding block (35), the surface of the sliding block (35) is slidably connected with the inside of the sliding plate (32), and the bottom of the sliding plate (32) is fixedly connected with a pressing rod (36).

4. A ball bearing internal measurement arrangement according to claim 3, wherein: a cavity is formed in the sliding plate (32), and the compression bar (36) is made of tungsten steel.

5. A ball bearing internal measurement arrangement according to claim 4, wherein: positioning mechanism (5) is including micro motor (51), the inside fixed connection of the bottom of micro motor (51) and supporting seat (4), output fixedly connected with of micro motor (51) rotates post (52), the surface rigid coupling that rotates post (52) is connected with three main bevel gear (53), and is three the surface of main bevel gear (53) all meshes four vice bevel gear (54), the axle center department fixedly connected with threaded rod (55) of vice bevel gear (54), the surface threaded connection of threaded rod (55) has locating lever (56), the fixed surface of locating lever (56) is connected with fixed block (57), the bottom fixedly connected with second spring (58) of fixed block (57), the bottom fixedly connected with pouring weight (59) of second spring (58).

6. A ball bearing internal measurement arrangement according to claim 5, wherein: the number of the positioning rods (56) is four, and the lower surfaces of the four positioning rods (56) are connected with the upper surface of the supporting seat (4) in a sliding mode.