CN210198287U

CN210198287U - Aperture perpendicularity gauge

Info

Publication number: CN210198287U
Application number: CN201921178032.5U
Authority: CN
Inventors: Guanghui Zheng; 郑广会
Original assignee: Shandong Kinde Precision Machinery Polytron Technologies Inc
Current assignee: Shandong Kinde Precision Machinery Polytron Technologies Inc; Shandong Golden Empire Precision Machinery Technology Co Ltd
Priority date: 2019-07-24
Filing date: 2019-07-24
Publication date: 2020-03-27
Anticipated expiration: 2029-07-24

Abstract

The utility model relates to a bearing measuring tool field especially relates to a fenestra straightness that hangs down examines utensil, keeps the special shape of fenestra to the bearing, can its straightness that hangs down of short-term test. A window hole perpendicularity gauge comprises a base, a fixing device and a measuring device, wherein the fixing device and the measuring device are both arranged on the base, the measuring device comprises a measuring head and a number indicating device, the measuring head is rotatably connected with the base, one end of the measuring head is a measuring part, and the other end of the measuring head is connected with the number indicating device. The fixing and fixing device is used for positioning the retainer, so that the measuring result is more accurate, the measuring head is matched with the window hole of the retainer, the perpendicularity information of the window hole is reflected on the number indicating device, and an operator can visually know the perpendicularity condition of the hole.

Description

Aperture perpendicularity gauge

Technical Field

The utility model relates to a bearing measuring tool field especially relates to a fenestra straightness that hangs down examines utensil.

Background

A bearing cage, which is a bearing component that may partially encase and follow all or part of the rolling elements, serves to isolate the rolling elements and generally also guides and retains them within the bearing. The retainer is provided with a plurality of windows for accommodating rolling elements, such as cylindrical roller bearings and the like, and the sides of the windows need to be perpendicular to the cross section, which may affect the smoothness of the rotation of the bearing and even the service life of the bearing.

For detecting the perpendicularity of the window hole, detection is mainly performed by a three-coordinate measuring machine in the selection of the traditional measuring method; the measuring device is characterized in that a three-coordinate measuring machine is used for measuring more workpieces, the three-coordinate measuring machine is provided with a guide mechanism, a length measuring element, a digital display device and a workbench capable of placing the workpieces in three mutually perpendicular directions, a measuring head can be moved to a measured point manually or flexibly, and a reading device and the digital display device display the coordinate value of the measured point. The above-described measurement methods are costly, inefficient, and do not allow for rapid detection of the particular shape of the retainer aperture.

Chinese utility model patent No. ZL201020592076.5 discloses a roller bearing retainer roof beam straightness measuring apparatu that hangs down, discloses and uses special gauge head to combine the percentage table to keep ware fenestral strait straightness to carry out the special technical scheme who measures, but the gauge head structure in this scheme is complicated, does not disclose concrete erection joint mode moreover.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned not enough of prior art, the utility model provides a fenestration straightness examines utensil that hangs down, keeps the special shape of fenestration to the bearing, can its straightness that hangs down of short-term test.

The utility model provides a scheme as follows:

a window hole perpendicularity gauge comprises a base, a fixing device and a measuring device, wherein the fixing device and the measuring device are both arranged on the base, the measuring device comprises a measuring head and a number indicating device, the measuring head is rotatably connected with the base, one end of the measuring head is a measuring part, and the other end of the measuring head is connected with the number indicating device. The fixing and fixing device is used for positioning the retainer, so that the measuring result is more accurate, the measuring head is matched with the window hole of the retainer, the perpendicularity information of the window hole is reflected on the number indicating device, and an operator can visually know the perpendicularity condition of the hole.

Preferably, at least one side surface of the measuring part is a plane. The flat surfaces are adapted to engage the lateral sides of the window opening.

Preferably, the measuring part has two adjacent side surfaces which are planes, and the adjacent side surfaces are perpendicular to each other. When a plurality of sides are planes, not only can one side of the window hole be measured, but also the perpendicularity condition of the adjacent edge of the window hole can be measured.

Preferably, one end of the measuring head is provided with a shifting rod, and the shifting rod is connected with the number indicating device. When the measuring head rotates, the rotation can be amplified through the deflector rod, and the data displayed by the number indicating device is more accurate.

Preferably, the deflector rod is perpendicular to the axis of rotation of the measuring head. The amplification of the rotation angle is best when the deflector rod is perpendicular to the rotation axis of the measuring head.

Preferably, one side surface of the measuring part is a plane, and the plane is parallel to the deflector rod. When the side surface of the window hole is vertical, the deflector rod is also positioned in the vertical device, so that the zeroing operation before the measurement is started is facilitated.

Preferably, the number indicating device is a dial indicator, and the dial indicator is fixedly connected with the base. The dial indicator can be fixedly connected with the base in a conventional connection mode, such as a fixed mount and the like.

Preferably, the fixing device comprises a top pressing block and a side gasket. The top briquetting is used for carrying out axial spacing to the holder, and the side gasket is used for carrying out horizontal spacing to the holder.

Preferably, the side pad is detachably disposed on the base by a pin. The side gasket is detachable so as to facilitate position adjustment for holders of different specifications.

Preferably, the base is provided with a connecting groove, a rotating seat is detachably arranged on the connecting groove, and the measuring head is connected with the rotating seat. The measuring head position is adjustable, so that the gauge is suitable for more retainer specifications.

The utility model discloses following beneficial effect has:

1. the side head shape is used for measuring window hole parts, so that the measuring efficiency is improved;

2. the gauge has the advantages of simple structure, low manufacturing cost and uncomplicated use method;

3. when the deflector rod rotates along with the measuring head, the verticality deviation can be amplified, so that the measuring structure is easier to observe;

4. the fixing device and the measuring head are adjustable, and can measure workpieces of different specifications.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic top view of the present invention;

FIG. 2 is a side schematic view of the present invention;

FIG. 3 is a schematic diagram of a probe structure;

in the figure, 1-base, 2-measuring head, 3-rotating base, 4-number-indicating device, 5-connecting groove, 6-top pressing block, 7-side gasket, 21-measuring part, 22-rotating shaft, 23-deflector rod, 71-pin and 81-window hole.

Detailed Description

In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below 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, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

Example one

As shown in fig. 1, 2 and 3, the present embodiment provides a window perpendicularity testing fixture, which includes a base 1, a measuring device and a fixing device. The measuring device and the fixing device are both arranged on the base 1.

The measuring device comprises a measuring head 2 and a number indicating device 4. One end of the measuring head 2 is a measuring part 21, the middle part is a rotating shaft 22, and the other end is provided with a deflector rod 23. One side of the probe 21 is a flat surface. The rotating shaft 22 is rotatably disposed on the rotating base 3, and the rotating base 3 is detachably connected with the base 1 through the connecting groove 5. The shift lever 23 is parallel to the plane of the side surface of the measuring unit 21, is perpendicular to the rotation axis of the rotating shaft 22, and has one end connected to the rotating shaft 22 and the other end connected to the number indicating device 4.

The number indicating device 4 is a dial indicator, the number indicating device 4 is arranged on the base 1 and is vertical to the shifting rod 23, and one end of the shifting rod 23 is in contact connection with a measuring end of the dial indicator.

The fixing device comprises a top pressing block 6 and a side gasket 7, wherein the side gasket 7 is detachably connected with the base 1 through a pin 71. The side gasket 7 is provided with a long hole, the base 1 is provided with a plurality of fixing holes at different positions, and the pin 71 penetrates through the long hole of the side gasket 7 and is inserted into the fixing hole of the base 1 to play a fixing role.

The utility model discloses the working process is as follows:

the positions of the side pads 7 and the stylus 2 are adjusted to suit the specification of the holder 8. The holder 8 is placed, and the top press block 6 is pressed against the holder 8 so that the gauge head 2 is positioned in the window hole 81 of the holder 8. The measuring portion 21 of the probe 2 is provided with a flat surface on its side surface, and this flat surface is brought into contact with the side edge of the window hole 81. The percentile is not changed when the sides of the aperture 81 are perfectly vertical. When the side edge of the window hole 81 is not perpendicular, the measuring part 21 rotates when being attached to the side edge, the measuring head 2 drives the shift lever 23 to rotate together, the dial indicator changes at the moment, and the verticality deviation condition of the window hole 81 is displayed.

Example two

In this embodiment, two adjacent side surfaces of the measuring head 2 are planes, and the two planes are perpendicular to each other. Two adjacent perpendicular sides can measure the perpendicularity of the adjacent sides of the aperture 81. The other parts of this embodiment are substantially the same as those of the first embodiment.

Although the present invention has been described in detail by referring to the drawings in conjunction with the preferred embodiments, the present invention is not limited thereto. Without departing from the spirit and substance of the present invention, any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention, and all such changes or substitutions are covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. Aperture straightness examines utensil that hangs down, its characterized in that: including base (1), fixing device and measuring device all set up on base (1), measuring device includes gauge head (2) and registration device (4), gauge head (2) rotationally are connected with base (1), and gauge head (2) one end is measuring portion (21), and the other end is connected with registration device (4).

2. The window perpendicularity gauge as claimed in claim 1, wherein: at least one side surface of the measuring part (21) is a plane.

3. The window perpendicularity gauge as claimed in claim 2, wherein: the measuring part (21) is provided with two adjacent side surfaces which are planes, and the adjacent side surfaces are mutually vertical.

4. The window perpendicularity gauge as claimed in claim 1, wherein: one end of the measuring head (2) is provided with a deflector rod (23), and the deflector rod (23) is connected with the number indicating device (4).

5. The window perpendicularity gauge as claimed in claim 4, wherein: the deflector rod (23) is perpendicular to the rotation axis of the measuring head (2).

6. The window hole perpendicularity gauge according to claim 4 or 5, characterized in that: the measuring part (21) has a side surface which is a plane, and the plane is parallel to the deflector rod (23).

7. The window hole perpendicularity gauge according to claim 1 or 4, characterized in that: the number indicating device (4) is a dial indicator, and the dial indicator is fixedly connected with the base (1).

8. The window perpendicularity gauge as claimed in claim 1, wherein: the fixing device comprises a top pressing block (6) and a side gasket (7).

9. The window perpendicularity gauge as claimed in claim 8, wherein: the side gasket (7) is detachably arranged on the base (1) through a pin (71).

10. The window perpendicularity gauge as claimed in claim 1, wherein: the base (1) is equipped with spread groove (5), detachably is provided with roating seat (3) on spread groove (5), gauge head (2) are connected with roating seat (3).