CN213657733U

CN213657733U - Clearance detection device

Info

Publication number: CN213657733U
Application number: CN202120003851.7U
Authority: CN
Inventors: 李树森; 李巍; 王翔; 候国茂
Original assignee: Dalai Nur Coal Industry Co Ltd
Current assignee: Dalai Nur Coal Industry Co Ltd
Priority date: 2021-01-04
Filing date: 2021-01-04
Publication date: 2021-07-09
Anticipated expiration: 2031-01-04

Abstract

The application provides a play detection device, includes: base, locating lever, first detection piece and second detection piece. The locating rod is arranged on the base and used for fixing the bearing. The first detection piece is arranged on the base and used for detecting the axial movement amount of the outer ring of the bearing. The second detection piece is arranged on the base and used for detecting the radial movement amount of the outer ring of the bearing. The application provides a play detection device, simple structure, the part is few, small in size, corresponding light in weight, conveniently carry. In addition, the bearing is fixed on the base through the positioning rod, the bearing can be quickly fixed on the base, the axial movement amount of the outer ring of the bearing is detected through the first detection piece, namely the axial clearance of the bearing is detected through the first detection piece, the radial movement amount of the outer ring of the bearing is detected through the second detection piece, namely the radial clearance of the bearing is detected through the second detection piece, the clearance detection mode is convenient to operate, the operation difficulty of an operator is reduced, and therefore quick detection of the bearing clearance is achieved.

Description

Clearance detection device

Technical Field

The application relates to the technical field of detection, especially, relate to a play detection device.

Background

The bearing play is the clearance between the bearing rolling elements and the bearing outer ring. The bearing play refers to a movement amount when the bearing is not mounted on the shaft or the bearing housing, the inner ring or the outer ring is fixed, and then the non-fixed bearing play is moved in the radial direction or the axial direction. According to the direction of movement, radial play and axial play can be divided. The magnitude of the play during operation (referred to as the operating play) has an influence on the performance of the bearing, such as rolling fatigue life, temperature rise, noise, and vibration.

During the manufacturing of belt feeder bearing rollers, need measure the bearing play of different batches to prevent to pack unqualified bearing into the bearing roller, at the in-process that detects bearing play, detection device's detection precision is not good, and to the detection of the bearing of equidimension not, need change detection device, seriously influenced work efficiency.

SUMMERY OF THE UTILITY MODEL

The application aims at providing a play detection device which is simple in structure, small in size and simple to operate.

In order to achieve at least one of the above objects, the present application provides a play detection apparatus including: a base; the positioning rod is arranged on the base and used for fixing the bearing; the first detection piece is arranged on the base and used for detecting the axial movement amount of the outer ring of the bearing; and a second detecting member provided on the base for detecting a radial movement amount of an outer ring of the bearing.

In some of these embodiments, the first detection element is a first dial gauge; and/or the second detection piece is a second dial indicator.

In some of these embodiments, the play detection apparatus further comprises: the base plate is fixed on the base and provided with a first half hole; the pressing plate is fixed on the base plate, and a second half hole is formed in the pressing plate; the first half hole and the second half hole form a first mounting hole, and a meter rod of the first dial indicator is fixed in the first mounting hole.

In some of these embodiments, the play detection apparatus further comprises: the fixed seat is fixed on the base and is provided with a third half hole; the clamping seat is fixed on the fixed seat, and a fourth half hole is formed in the clamping seat; and the third half hole and the fourth half hole form a second mounting hole, and a gauge rod of the second dial indicator is fixed in the second mounting hole.

In some of these embodiments, the holder comprises: the connecting plate is fixed on the base; and the fixing plate is connected with the connecting plate and is vertical to the connecting plate, and the clamping seat is fixed on the fixing plate.

In some embodiments, the connecting plate is provided with a long-strip-shaped connecting hole, and the connecting piece penetrates through the connecting hole to be fixedly connected with the base.

In some of these embodiments, the first detection member is a distance sensor; and/or the second detection member is a distance sensor.

In some of these embodiments, the base comprises: the bottom plate is used for being fixed on a mounting surface; the vertical plate is fixed on the bottom plate and is perpendicular to the bottom plate; the first detection piece is fixed on the top surface of the vertical plate, and the second detection piece is fixed on the side surface of the vertical plate.

In some of these embodiments, the positioning stem comprises: the mounting part is fixed on the base, and a first matching surface is arranged on the mounting part and used for matching with the bearing; the fixing part is detachably connected with the mounting part, a second matching surface is arranged on the fixing part, and the second matching surface is used for matching the bearing.

In some of these embodiments, the first mating surface is a tapered surface; and/or the second mating surface is a tapered surface.

The above technical scheme of this application has following advantage: fix the bearing to the base through the locating lever, detect the axial displacement volume of the outer lane of bearing through first detection piece, first detection piece detects bearing axial internal clearance promptly, detect the radial displacement volume of the outer lane of bearing through the second detection piece, the radial internal clearance of second detection piece detection bearing promptly, on the one hand, play detection device's part is few, small in size, corresponding light in weight, conveniently carry, on the other hand, simple structure, convenient operation to realize the short-term test of bearing internal clearance.

Drawings

The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, which are provided for purposes of illustration only and are not necessarily drawn to scale or quantity with respect to the actual product. Wherein:

fig. 1 is a schematic view of a play detection apparatus according to the present application from a first perspective;

FIG. 2 is a schematic structural view of a second perspective of the play detection apparatus of the present application;

FIG. 3 is a schematic view of the base of the present application;

FIG. 4 is a schematic view of the arrangement of the present application showing the engagement of the backing plate and the pressure plate;

FIG. 5 is a schematic view of a structure of the present application showing the engagement between the fixing base and the clamping base;

fig. 6 is a schematic structural view of a positioning rod according to the present application.

Wherein, the correspondence between the reference numbers and the part names of fig. 1 to 6 is:

the base 10, the bottom plate 11, the riser 12, the locating lever 20, the installation department 21, the fixed part 22, first fitting surface 23, second fitting surface 24, first detection piece 30, second detection piece 40, the backing plate 51, the clamp plate 52, first half hole 53, second half hole 54, fixing base 61, connecting plate 611, fixed plate 612, chucking seat 62, third half hole 63, fourth half hole 64, screw 70, connecting piece 80, through-hole 91, connecting hole 92, bearing 100.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The following discussion provides a number of embodiments of the application. While each embodiment represents a single combination of applications, the various embodiments of the disclosure may be substituted or combined in any combination, and thus, the disclosure is intended to include all possible combinations of the same and/or different embodiments of what is described. Thus, if one embodiment comprises A, B, C and another embodiment comprises a combination of B and D, then this application should also be considered to comprise an embodiment that comprises A, B, C, D in all other possible combinations, although this embodiment may not be explicitly recited in the text below.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited by the specific embodiments disclosed below.

As shown in fig. 1 and 2, the present application provides a play detection device including: the detection device comprises a base 10, a positioning rod 20, a first detection piece 30 and a second detection piece 40.

The positioning rod 20 is disposed on the base 10 for fixing the bearing 100.

The first detector 30 is provided on the base 10 and detects an amount of axial movement of the outer ring of the bearing 100.

The second detecting member 40 is provided on the base 10 and detects the amount of radial movement of the outer ring of the bearing 100.

As shown in fig. 3, the base 10 includes: a bottom plate 11 and a riser 12.

The base plate 11 is intended to be fixed to a mounting surface.

The vertical plate 12 is fixed on the bottom plate 11 and is perpendicular to the bottom plate 11.

As shown in fig. 1 and 2, the first detector 30 is fixed to the top surface of the riser 12, and the second detector 40 is fixed to the side surface of the riser 12.

The application provides a play detection device, simple structure, the part is few, small in size, corresponding light in weight, conveniently carry. In addition, the bearing 100 is fixed on the base 10 through the positioning rod 20, the bearing 100 can be quickly fixed on the base 10, the axial movement amount of the outer ring of the bearing 100 is detected through the first detection piece 30, namely, the axial play of the bearing 100 is detected through the first detection piece 30, and the radial movement amount of the outer ring of the bearing 100 is detected through the second detection piece 40, namely, the radial play of the bearing 100 is detected through the second detection piece 40.

As shown in fig. 1 and 2, in one embodiment of the present application, the first detecting member 30 is a first dial gauge; and/or the second detecting member 40 is a second dial indicator.

A dial gauge is a length measuring instrument that converts a general linear displacement (linear motion) into a rotational motion of a pointer through a gear or a lever, and then performs a reading on a dial. In the process of detecting the axle clearance, a measuring head of the first dial indicator is just in contact with the end face of the outer ring of the bearing 100, the measuring head is slightly compressed, the outer ring is controlled to do reciprocating motion along the axial direction of the bearing 100, and data of a needle swing interval of the first dial indicator is the axial clearance of the bearing 100. Similarly, the measuring head of the second dial indicator is just in contact with the outer peripheral surface of the outer ring of the bearing 100, the measuring head is slightly compressed, the outer ring is controlled to do reciprocating motion along the radial direction of the bearing 100, and data of the swing interval of the pointer of the second dial indicator is the radial play of the bearing 100.

As shown in fig. 4, in one embodiment of the present application, the play detection device further includes: a backing plate 51 and a pressure plate 52.

The backing plate 51 is fixed on the base 10, and the backing plate 51 is provided with a first half-hole 53.

The pressing plate 52 is fixed on the backing plate 51, and the pressing plate 52 is provided with a second half-hole 54.

The first half hole 53 and the second half hole 54 constitute a first mounting hole in which the stem of the first dial indicator is fixed.

In the process of installing the first kilo-minute meter, the meter rod of the first kilo-minute meter is placed in the first half hole 53, then the second half hole 54 of the pressing plate 52 is aligned with the first half hole 53, the pressing plate 52 is pressed on the meter rod of the first kilo-minute meter, then the pressing plate 52 is fixedly connected with the backing plate 51, and the first kilo-minute meter is fixed on the backing plate 51 through the pressure of the pressing plate 52. Above-mentioned installation of first kilo-dial gauge, easy operation can fix first kilo-dial gauge on base 10 fast to realize the short-term test of bearing play.

As shown in fig. 1, 2 and 4, in addition, the shim plate 51 and the pressing plate 52 are fixedly provided with through holes 91, the screws 70 sequentially pass through the through holes 91 and are screwed into the base 10, the shim plate 51 and the pressing plate 52 are fixed on the base 10, the through holes 91 are elongated holes, and the adjusting screws 70 are positioned at the positions of the through holes 91 according to the bearings 100 with different diameters, so that the positions of the shim plate 51 and the pressing plate 52 on the base 10 are adjusted, the first dial gauge can detect the axial play of the bearings 100 with different sizes, and the application range of the product is enlarged.

As shown in fig. 5, in one embodiment of the present application, the play detection device further includes: a fixed seat 61 and a clamping seat 62.

The fixing seat 61 is fixed on the base 10, and a third half hole 63 is formed in the fixing seat 61.

The clamping seat 62 is fixed on the fixing seat 61, and a fourth half hole 64 is formed in the clamping seat 62.

The third half hole 63 and the fourth half hole 64 form a second mounting hole, and a gauge rod of the second dial gauge is fixed in the second mounting hole.

In the process of installing the second dial indicator, the gauge rod of the second dial indicator is placed into the third half hole 63, then the fourth half hole 64 of the pressing plate 52 is aligned with the third half hole 63, the clamping seat 62 is pressed on the gauge rod of the second dial indicator, then the clamping seat 62 is connected with the fixing seat 61, and the second dial indicator is fixed on the fixing seat 61 through the pressure of the clamping seat 62. The second dial indicator is simple to operate in the installation process, and the second dial indicator can be rapidly fixed on the base 10, so that the bearing play can be rapidly detected.

As shown in fig. 5, in an embodiment of the present application, the fixing base 61 includes: a connecting plate 611 and a fixing plate 612.

The connection plate 611 is fixed to the base 10.

The fixing plate 612 is connected with the connecting plate 611 and is perpendicular to the connecting plate 611, and the clamping seat 62 is fixed on the fixing plate 612.

The connecting plate 611 increases the connecting area between the fixing seat 61 and the base 10, thereby ensuring the connecting strength between the fixing seat 61 and the base 10, ensuring the use reliability of the product and increasing the market competitiveness of the product.

As shown in fig. 5, in an embodiment of the present application, the connecting plate 611 and the fixing plate 612 are of an integral structure, which, on one hand, increases the connection strength between the connecting plate 611 and the fixing plate 612, thereby ensuring the mechanical strength between the connecting plate 611 and the fixing plate 612, and further increasing the reliability of the fixing base 61. In addition, the fixing seat 61 can be manufactured by adopting an integral casting forming process, so that the production efficiency of the product is improved, and the production and manufacturing cost of the product is reduced.

As shown in fig. 1, 2 and 5, in an embodiment of the present application, the connection plate 611 is provided with an elongated connection hole 92, and the connection member 80 passes through the connection hole 92 to be fixedly connected to the base 10.

According to the bearings 100 with different diameters, the adjusting connecting piece 80 is located at the position of the connecting hole 92, so that the position of the fixing seat 61 on the base 10 is adjusted, the second dial indicator can detect the radial play of the bearings 100 with different sizes, and the application range of products is enlarged.

In one embodiment of the present application, the first detecting member is a distance sensor; and/or the second detection member is a distance sensor.

Controlling the outer ring of the bearing to reciprocate along the axial direction of the bearing, and detecting data of a swing interval of the outer ring by a distance sensor, wherein the data is the axial play of the bearing; and controlling the outer ring of the bearing to reciprocate along the radial direction of the bearing, and detecting data of a swinging interval of the outer ring by a distance sensor, namely the radial play of the bearing.

As shown in fig. 1, 2 and 6, in one embodiment of the present application, the positioning rod 20 includes: an attachment portion 21 and a fixing portion 22.

The mounting portion 21 is fixed on the base 10, and a first mating surface 23 is provided on the mounting portion 21, and the first mating surface 23 is used for mating with the bearing 100.

The fixing portion 22 is detachably connected to the mounting portion 21, a second mating surface 24 is disposed on the fixing portion 22, and the second mating surface 24 is used for the bearing 100 to mate.

The bearing 100 is mounted on the mounting portion 21, one end surface of the inner ring of the bearing 100 is matched with the first matching surface 23, then the fixing portion 22 is connected with the mounting portion 21, and the second matching surface 24 is pressed against the other end surface of the inner ring of the bearing 100, so that the bearing 100 is fixed on the base 10. The mounting portion 21 is provided with a threaded hole, and the fixing portion 22 is provided with a threaded rod matched with the threaded hole so as to realize connection between the mounting portion 21 and the fixing portion 22. The fixing portion 22 is provided with a handle portion for facilitating the operation of a user.

As shown in fig. 6, in one embodiment of the present application, the first mating surface 23 is a tapered surface; and/or the second mating surface 24 is a tapered surface.

The conical surface can insert in bearing 100's the inner circle to the cooperation area of fitting surface and bearing 100's inner circle has been increased, thereby has guaranteed that bearing 100 and installation department 21 and fixed part 22 fully contact, has avoided rocking of bearing 100 in the testing process, and then has guaranteed the detection precision of bearing play, thereby has guaranteed product market competition.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application. In this application, the term "plurality" means two or more unless explicitly defined otherwise. In this application, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims

1. A play detection apparatus, characterized by comprising:

a base;

the positioning rod is arranged on the base and used for fixing the bearing;

the first detection piece is arranged on the base and used for detecting the axial movement amount of the outer ring of the bearing; and

and the second detection piece is arranged on the base and used for detecting the radial movement amount of the outer ring of the bearing.

2. The play detection apparatus according to claim 1,

the first detection piece is a first dial indicator; and/or

The second detection piece is a second dial indicator.

3. The play detection apparatus according to claim 2, further comprising:

the base plate is fixed on the base and provided with a first half hole; and

the pressing plate is fixed on the base plate, and a second half hole is formed in the pressing plate;

the first half hole and the second half hole form a first mounting hole, and a meter rod of the first dial indicator is fixed in the first mounting hole.

4. The play detection apparatus according to claim 2, further comprising:

the fixed seat is fixed on the base and is provided with a third half hole; and

the clamping seat is fixed on the fixed seat and is provided with a fourth half hole;

and the third half hole and the fourth half hole form a second mounting hole, and a gauge rod of the second dial indicator is fixed in the second mounting hole.

5. The play detection apparatus according to claim 4,

the fixing base includes: the connecting plate is fixed on the base; and

the fixing plate is connected with the connecting plate and is perpendicular to the connecting plate, and the clamping seat is fixed on the fixing plate.

6. The play detection apparatus according to claim 5,

the connecting plate is provided with a strip-shaped connecting hole, and the connecting piece penetrates through the connecting hole to be fixedly connected with the base.

7. The play detection apparatus according to claim 1,

the first detection piece is a distance sensor; and/or

The second detection member is a distance sensor.

8. The play detection apparatus according to any one of claims 1 to 7, wherein the base includes:

the bottom plate is used for being fixed on a mounting surface; and

the vertical plate is fixed on the bottom plate and is perpendicular to the bottom plate;

the first detection piece is fixed on the top surface of the vertical plate, and the second detection piece is fixed on the side surface of the vertical plate.

9. The play detection apparatus according to any one of claims 1 to 7, wherein the detent lever includes:

the mounting part is fixed on the base, and a first matching surface is arranged on the mounting part and used for matching with the bearing; and

the fixing part is detachably connected with the mounting part, a second matching surface is arranged on the fixing part, and the second matching surface is used for matching the bearing.

10. The play detection apparatus according to claim 9,

the first matching surface is a conical surface; and/or

The second matching surface is a conical surface.