CN218600419U

CN218600419U - Bearing outer circumference circle detection device that beats

Info

Publication number: CN218600419U
Application number: CN202223001376.3U
Authority: CN
Inventors: 金哲明; 杨超; 杨天军
Original assignee: Xinchang Jianfeng Bearing Co ltd
Current assignee: Xinchang Jianfeng Bearing Co ltd
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-03-10
Anticipated expiration: 2032-11-11

Abstract

The utility model provides a bearing outer periphery circle run-out detection device, including percentage table and base, the terminal surface protrusion is provided with first reference column and two second reference columns before the base, the vertical direction of first reference column removes and sets up on the base, two the second reference column all is fixed in on the base, and two second reference columns symmetry set up in the left and right sides below first reference column; the dial indicator is installed on the gauge stand, and the gauge stand is arranged on the base. The utility model discloses in, according to the principle of three points determination periphery, through the position of the relative second reference column of the vertical direction of adjustment first reference column, realize supporting different internal diameter bearings, the convenience is beated to the outer periphery circle of different internal diameter bearings and is detected, improves this detection device commonality, has reduced the detection cost, and uses this detection device, can adjust bearing slew velocity and detection mode at any time in the testing process, improves detection device's practicality.

Description

Bearing outer circumference circle detection device that beats

Technical Field

The utility model belongs to bearing form and position tolerance detection area especially relates to a detection device is beated to outer periphery circle of bearing.

Background

After the bearing is produced, the circular runout of the outer circumferential surface relative to the inner circumferential surface is detected, so that the problems of high bearing noise and unstable support caused by the circular runout are solved.

The bearing model is various, and it is also various to correspond the internal diameter, and current circle is beated and is detected the apparatus and mostly be applicable to the bearing of a model, and the circle is beated and is detected the apparatus and match with the bearing model, also in production, and the bearing independent configuration circle of each internal diameter beats and detects the apparatus, should detect the apparatus and lack the commonality, consequently can lead to detecting the cost rising.

The existing circle run-out detection tool also has a fixed bearing supported by an inner diameter three-jaw chuck structure, although the fixed bearing can be supported by bearings of different models, the inner diameter three-jaw chuck structure is complex, the weight is large, the three-jaw chuck structure is often driven by a motor to rotate, the run-out detection is over mechanical, the detection speed cannot be controlled at any time according to the detection condition, and the circle run-out detection is not convenient.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a bearing outer periphery circle detection device that beats to the circle of the bearing outer periphery that realizes multiple different internal diameters beats and detects, and can improve detection device commonality according to detecting the situation adjustment detection speed, reduces the detection cost.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the device for detecting the circular runout of the outer circumferential surface of the bearing comprises a dial indicator and a base, wherein a first positioning column and two second positioning columns are convexly arranged on the front end surface of the base, the first positioning column is movably arranged on the base in the vertical direction, the two second positioning columns are fixed on the base, and the two second positioning columns are symmetrically arranged on the left side and the right side below the first positioning column;

the dial indicator is installed on the gauge stand, and the gauge stand is arranged on the base.

Further, the vertical direction of base top surface is equipped with the guiding hole, be equipped with the elevator in the guiding hole, the logical groove that communicates with the guiding hole is seted up to the vertical direction of terminal surface before the base, first reference column passes logical groove and is fixed in the elevator.

Furthermore, an installation cavity is arranged in the base, the guide hole is opposite to the installation cavity, a push block is movably arranged in the installation cavity in the direction parallel to the first guide column, the push block supports the lifting block, and the contact surface of the push block and the lifting block is of a matched wedge surface structure;

a screw rod is installed on the rear end face of the base in a threaded mode, extends into the installation cavity and is opposite to the push block;

the lifting block is characterized in that a top plate is arranged on the top surface of the base, a guide hole is sealed by the top plate, a spring is arranged above the lifting block in the guide hole, and the upper end and the lower end of the spring are respectively abutted to the top plate and the top surface of the lifting block.

Furthermore, a groove corresponding to the second positioning column is formed in the front end face of the base, a flange portion is arranged at the rear end of the second positioning column, and the flange portion is embedded and fixed in the groove.

Furthermore, the gauge stand is a magnetic gauge stand.

Compared with the prior art, an outer periphery circle of bearing detection device that beats have following advantage:

(1) The utility model discloses in, according to the principle of three points determination periphery, through the position of the relative second reference column of the vertical direction of adjustment first reference column, realize supporting different internal diameter bearings, the convenience is beated to the outer periphery circle of different internal diameter bearings and is detected, improves this detection device commonality, has reduced the detection cost, and uses this detection device, can adjust bearing slew velocity and detection mode at any time in the testing process, improves detection device's practicality.

(2) The utility model discloses in, ejector pad and lifter contact surface are the scarf structure of adaptation, and this pushing mechanism is simple, and the operation of being convenient for improves and detects the convenience.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic view of a device for detecting circular runout of an outer circumferential surface of a bearing according to an embodiment of the present invention;

fig. 2 is a schematic view of a positional relationship between a first positioning column and two second positioning columns according to an embodiment of the present invention;

FIG. 3 is a front view of the inner structure of the base in the present embodiment;

FIG. 4 is a top view of the base of the present embodiment

FIG. 5 is a right side view of the base of the present embodiment.

Description of reference numerals:

1-dial indicator; 2-a base; 21-a pilot hole; 22-a through slot; 23-a mounting cavity; 24-a groove; 3-a screw; 4-pushing the block; 5, lifting the block; 6-a spring; 7-a gauge stand; 8-a first positioning column; 9-a second positioning column; 10-a bearing; 11-closing plate; 12-Top plate.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features of the embodiments of the present invention may be combined with each other.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

A device for detecting circular runout of the outer circumferential surface of a bearing is shown in figure 1 and comprises a dial indicator 1 and a base 2, wherein the dial indicator 1 is installed on an indicator seat 7, the indicator seat 7 is installed on the base 2, and the indicator seat 7 is a magnetic indicator seat. The front end face of the base 1 is provided with a first positioning column 8 and two second positioning columns 9, the two second positioning columns 9 are fixed on the base 2, the two second positioning columns 9 are symmetrically arranged on the left side and the right side below the first positioning column 8, the first positioning column 8 is vertically movably arranged on the base 2 in the vertical direction, and the position relation between the first positioning column 8 and the two second positioning columns 9 is shown in fig. 2.

The utility model discloses utilize three point centering principle, can confirm a periphery through first reference column 8 and two second reference columns 9, this periphery size is the same with bearing inner circle diameter size to support the bearing through first reference column 8 and two second reference columns 9. Because the first positioning column 8 can move up and down, the size of the circumferential surface determined by the first positioning column can be changed, as shown in fig. 2, the vertical direction position of the first positioning column 8 can be adjusted according to the size of the inner diameter of the bearing, the supporting requirements of bearings of different models are met, the requirement for detecting the circular runout of the circumferential surfaces of the bearings of different models is met, the universality of the detection device is improved, and the detection cost is saved.

The base 2 is structurally shown in fig. 3-5, a mounting cavity 23 is arranged in the base 2, the mounting cavity 23 penetrates through the rear end face of the base 2 to form an opening structure, and a sealing plate 11 is arranged at the opening of the mounting cavity on the rear end face of the base 2. Guide hole 21 has been seted up to base 2 top surface, and guide hole 21 is just right with installation cavity 23, and the vertical direction of terminal surface is seted up before base 2 and is supplied first guide post 8 to reciprocate logical groove 22, leads to the groove and runs through base 2 top surface, leads to groove 22 and guide hole 21 intercommunication, and base 2 front end surface has still been seted up two installation second reference columns for 9 recess 24. The rear end of the second positioning column 9 is provided with a flange part which is embedded and fixed in the groove 24, and the structure ensures that the front end face of the base 2 can keep a plane structure so as to axially position the bearing.

The installation cavity 23 and the first guide post 8 parallel direction move and are provided with the ejector pad 4, are provided with the elevator 5 in the guiding hole 21, and the elevator 5 is for matcing party's major structure with the guiding hole 21, and the ejector pad 4 supports the elevator 5, and the elevator 5 is the scarf of adaptation with the contact surface of ejector pad 4. When the push block 4 moves forward, the lifting block 5 moves upwards. The first positioning column 8 passes through the through groove 22 and then is fixed on the lifting block 5, and moves synchronously with the lifting block 5 in the up-down direction. A top plate 12 is arranged at the top of the base 2, the guide hole 21 is sealed by the top plate 12, a spring 6 is arranged between the top plate 12 and the lifting block 5, and the upper end and the lower end of the spring 6 are respectively abutted against the top surfaces of the top plate 12 and the lifting block 5. The screw rod 3 is installed on the rear end face of the base 2, namely the seal plate 11, in a threaded mode, and the screw rod 3 extends into the installation cavity 23 and is opposite to the push block 4. In order to improve the stability of the screw rod 3 for pushing the push block 4, a push plate 31 is arranged at the inner end of the screw rod 3.

The screw rod 3 is rotated to move inwards, the push block 4 is pushed to move forwards, the lifting block 5 is pushed to move upwards, the first positioning column 8 moves upwards along the through groove 22, and the size of the circumference determined by the first positioning column 8 and the two second positioning columns 9 is increased. When the screw rod 3 is rotated to move outwards, the spring 6 pushes the lifting block 5 to move downwards, and the pushing block 4 is driven to move backwards.

The utility model discloses the operation process does: and adjusting the position of the first positioning column 8 to enable the circumferential surface size determined by the first positioning column 8 and the second positioning column 9 to correspond to the inner circumferential surface size of the bearing, then supporting the bearing through the first positioning column 8 and the second positioning column 9, adjusting the position of the dial indicator 1 to enable a measuring head of the dial indicator to vertically and downwards abut against the outer circumferential surface of the bearing, rotating the bearing, recording the display value of the dial indicator 1, and completing the circular runout detection of the outer circumferential surface of the bearing.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a bearing outer periphery circle detection device that beats which characterized in that: the dial indicator comprises a dial indicator (1) and a base (2), wherein a first positioning column (8) and two second positioning columns (9) are convexly arranged on the front end face of the base (2), the first positioning column (8) is movably arranged on the base (2) in the vertical direction, the two second positioning columns (9) are fixed on the base (2), and the two second positioning columns (9) are symmetrically arranged on the left side and the right side below the first positioning column (8);

the dial indicator (1) is installed on the gauge stand (7), and the gauge stand (7) is arranged on the base (2).

2. The device for detecting the circular runout of the outer circumferential surface of a bearing according to claim 1, wherein: base (2) top surface vertical direction is equipped with guiding hole (21), be equipped with elevator (5) in guiding hole (21), leading to groove (22) of intercommunication with guiding hole (21) are seted up to base (2) preceding terminal surface vertical direction, first reference column (8) pass through groove (22) and are fixed in elevator (5).

3. The bearing outer circumferential surface circle run-out detection device according to claim 2, characterized in that: a mounting cavity (23) is formed in the base (2), the guide hole (21) is opposite to the mounting cavity (23), a push block (4) is movably arranged in the mounting cavity (23) in the direction parallel to the first positioning column (8), the push block (4) supports the lifting block (5), and the contact surface of the push block (4) and the lifting block (5) is of an adaptive wedge surface structure;

a screw rod (3) is installed on the rear end face of the base (2) in a threaded mode, and the screw rod (3) extends into the installation cavity (23) and is opposite to the push block (4);

the base (2) top surface is equipped with roof (12), guide hole (21) closing cap is with roof (12), guide hole (21) are equipped with spring (6) in elevator (5) top position, the lower extreme butt respectively at roof (12) and elevator (5) top surface about spring (6).

4. The device for detecting the circular runout of the outer circumferential surface of a bearing according to claim 1, wherein: the front end face of the base (2) is provided with a groove (24) corresponding to the second positioning column (9), the rear end of the second positioning column (9) is provided with a flange part, and the flange part is embedded and fixed in the groove (24).

5. The device for detecting the circular runout of the outer circumferential surface of a bearing according to claim 1, wherein: the gauge stand (7) is a magnetic gauge stand.