CN223361335U

CN223361335U - A measuring tool for the angle deviation between a hole and a square center

Info

Publication number: CN223361335U
Application number: CN202422969862.7U
Authority: CN
Inventors: 武黎明; 付国涛; 李峥; 陈金鑫; 侯晓东
Original assignee: NANYANG HONGYANG FORGING CO Ltd
Current assignee: NANYANG HONGYANG FORGING CO Ltd
Priority date: 2024-12-03
Filing date: 2024-12-03
Publication date: 2025-09-19
Anticipated expiration: 2034-12-03

Abstract

The utility model belongs to the technical field of measuring devices, and particularly relates to a measuring tool for angular offset between a hole and a square center, which comprises a fixed plate, a connecting piece for connecting the fixed plate with a flange plate, a sliding block, a supporting frame connected with the sliding block and a dial indicator connected with the end part of the supporting frame; when the connecting piece is used for tightly attaching the fixing plate to the end face of the flange, the side face, away from the center of the flange, of the fixing plate is defined as an upper side face, the upper side face is parallel to the central connecting line of two screw holes to be measured, the sliding block is connected to the upper side face in a sliding mode, the sliding line of the sliding block is parallel to the central connecting line of the two screw holes to be measured, the end portion of the supporting frame extends to the position above the surface to be measured of the square, and the dial indicator is used for measuring the surface to be measured of the square. The utility model is used for solving the technical problems that the existing measuring method needs complex measuring tools, has complex operation steps and has low precision.

Description

Hole and square center angle deviation measuring tool

Technical Field

The utility model belongs to the technical field of measuring devices, and particularly relates to a measuring tool for angular offset between a hole and a square center.

Background

In the auto-parts, the back shaft sets up near the wheel to the joint is on the axle housing middle section. The outside of the flange plate of the support shaft is required to be processed, the square plate is used for being clamped on the middle section of the axle housing, and the flange plate is connected with the connecting piece through screw holes in the flange plate after being clamped in place. Therefore, the positions of the screw holes on the flange plate are required to be accurately corresponding to the positions and angles of the square, so that the situation that the positions of the screw holes cannot be aligned after the square is clamped in place is avoided. In this regard, in machining, detection of the positional relationship between the screw hole and the square is particularly important. The traditional hole and square center angle offset measurement method generally needs to use complex measurement tools and complicated operation steps, and has low precision and cannot meet the use requirements.

Disclosure of utility model

Aiming at the defects in the prior art, the utility model aims to provide a measuring tool for the angle deviation between a hole and a square center, which is used for solving the technical problems that the existing measuring method needs a complex measuring tool, the operation steps are complex, and the precision is low.

The technical scheme is that the measuring tool is used for measuring the position offset relation between screw holes on a flange plate of a supporting shaft and the square, the measuring tool comprises a fixing plate, a connecting piece, a sliding block, a supporting frame and a dial indicator, wherein the connecting piece is used for connecting the fixing plate with the flange plate, the supporting frame is connected to the sliding block, the dial indicator is connected to the end part of the supporting frame, when the fixing plate is tightly attached to the end face of the flange plate by the connecting piece, the side surface of the fixing plate, which is far away from the center of the flange plate, is defined as an upper side surface, the upper side surface is parallel to the central connecting line of two screw holes to be measured, the sliding block is connected to the upper side surface in a sliding mode, the sliding line of the sliding block is parallel to the central connecting line of the two screw holes to be measured, the end part of the supporting frame extends to the upper side of the square surface to be measured, and the dial indicator is used for measuring the surface to be measured of the square.

Preferably, the fixing plate is provided with two connecting holes, the central connecting lines of the two connecting holes are parallel to the upper side surface, and the two connecting holes correspond to the positions of the two screw holes to be detected.

Preferably, the connecting piece adopts a locating pin to connect the two connecting holes and the two screw holes respectively.

Preferably, the fixing plate is a magnetic plate.

Preferably, the support frame comprises a first rod piece perpendicular to the upper side surface, a second rod piece perpendicularly connected to the end part of the first rod piece and overhanging above the surface to be measured, and a third rod piece perpendicularly connected to the end part of the second rod piece and parallel to the upper side surface.

Preferably, a guide rail is arranged on the upper side surface, and the sliding block is connected to the guide rail.

Preferably, the guide rail and the slider adopt one of a roller linear guide rail, a cylindrical linear guide rail and a ball linear guide rail.

The technical scheme of the utility model has the beneficial effects that:

The utility model has simple structure and convenient operation, and can rapidly measure the problem of the deviation of the central angle between the screw hole and the square. Through setting up the slider and slide on the upside of fixed plate, the fixed plate lies in that its upside is parallel in the central wiring of two screw that await measuring behind the ring flange connection, and the slide circuit on the upside of slider is parallel with the central wiring of two screw that await measuring, and the dial indicator is supported and along with the slider removes through the support frame, can be through the dial indicator whether the face that awaits measuring of measuring is parallel with the central wiring of two screw that await measuring to can measure the skew angle of the relative two screw central wiring that await measuring of face that await measuring.

Drawings

FIG. 1 is a schematic view of an embodiment of a tool for measuring angular offset of a hole from a square center;

FIG. 2 is a schematic front view of a measuring tool according to the present utility model;

FIG. 3 is a schematic top view of a part of the measuring state of the measuring tool according to the present utility model;

FIG. 4 is a schematic rear view of a support shaft to be measured;

Fig. 5 is a schematic side view of the support shaft to be measured.

In fig. 1 to 5, 1-fixed plate, 11-connecting hole, 2-guide rail, 3-slider, 4-support frame, 41-first rod piece, 42-second rod piece, 43-third rod piece, 5-dial indicator, 6-connecting piece, 7-support shaft, 71-flange, 72-screw hole, 73-square.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments of the present utility model, and do not limit the scope of the present utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Specific examples are as follows:

In embodiment 1, as shown in fig. 1-5, a tool for measuring angular deviation between a hole and a square center is used on a support shaft 7 with a square 73, a flange 71 is arranged near the end of the support shaft 7, screw holes 72 are uniformly formed in the flange 71 along the circumferential direction, the square 73 is arranged on the outer side of the flange 71 and is clamped on the middle section of an axle housing of an automobile, and the screw holes 72 on the flange 71 are used for being connected with a connecting piece. In the detection process, the surface to be detected of the required side 73 is parallel to the central connecting line of the two screw holes 72 at the corresponding positions, and then the surface to be detected is regarded as a qualified product.

It should be noted that, when the measurement is performed, the two screw holes 72 to be measured, whose central connecting line should be parallel to the surface to be measured of the square 73, need only be found by visual inspection, and only because the positions of the two screw holes 72 to be measured are obvious.

The measuring tool comprises a fixing plate 1, a connecting piece 6, a sliding block 3, a supporting frame 4 and a dial indicator 5. The fixing plate 1 is tightly attached to the side edge of the flange plate 71 far from the square 73 through the connecting piece 6, at this time, the side surface of the fixing plate 1 far from the center of the flange plate 71 is defined as an upper side surface, and the upper side surface is parallel to the central connecting line of the two screw holes 72 to be tested. The slider 3 is slidably connected to the upper side, and the sliding line is parallel to the center line of the two screw holes 72 to be measured. The support frame 4 is connected to the slider 3, and the other end overhang is in the top of the face that awaits measuring of side 73, and the end connection percentage table 5 of support frame 4 is used for measuring the face that awaits measuring under slider 3 drives the removal, and the maximum and minimum difference of measuring the face that awaits measuring can obtain the displacement of screw 72 and side 73 central angle skew.

In the present embodiment, when the tool for measuring the angular offset between the hole and the square center is used, the fixing plate 1 is connected to the side surface of the flange 71 through the connecting piece 6, and the upper side surface of the fixing plate 1 is ensured to be parallel to the central connecting line of the two screw holes 72 to be measured. The sliding block 3 is driven to slide on the fixed plate 1 to drive the dial indicator 5 to slide to measure the surface to be measured, and the maximum value and the minimum value of the surface to be measured are measured, so that the displacement of the center angle offset of the screw hole 72 and the square 73 can be obtained, the whole measuring process is simple, the operation is convenient, and the accuracy is high.

Further, two connecting holes 11 are arranged on the fixing plate 1, the central connecting line of the two connecting holes 11 is parallel to the upper side surface of the fixing plate 1, and the two connecting holes correspond to the positions of two screw holes 72 to be detected. Based on this, two connecting holes 11 are aligned with two screw holes 72 to be measured, so that the fixing plate 1 can be ensured to be fixed in place, and the positioning is simpler and more convenient.

Further, the connecting piece 6 adopts a locating pin, and the two connecting holes 11 are respectively connected with the two screw holes 72 to be detected through the locating pin, so that the structure is simple and the disassembly and the assembly are convenient.

Further, the fixing plate 1 adopts a magnetic plate, and the fixing plate is adsorbed on the flange plate 71 in advance, so that the fixing of the fixing plate 1 on the flange plate 71 is more convenient.

Further, the support frame 4 includes a first rod 41, a second rod 42, and a third rod 43. The first rod 41 is vertically connected to the sliding block 3, the second rod 42 is vertically connected to the end of the first rod 41 and extends to the direction of the surface to be measured of the square 73, the third rod 43 is vertically connected to the end of the second rod 42 and is parallel to the upper side surface of the fixed plate 1, the dial indicator 5 is connected to the end of the third rod 43, and the measuring head of the dial indicator abuts against the surface to be measured of the square 73.

Further, a guide rail 2 is provided on the upper side of the fixing plate 1, and a slider 3 is connected to the guide rail 2. In this embodiment, the structure formed by the guide rail 2 and the slider 3 may be any one of a roller linear guide, a cylindrical linear guide and a ball linear guide, so that the slider 3 is ensured to be capable of sliding along a straight line.

While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the above embodiments, but is capable of being modified in various ways, or of being applied to other applications without modification, without departing from the scope of the utility model.

Claims

1. The measuring tool is used for measuring the position offset relation between screw holes on a flange plate of a supporting shaft and the square, and is characterized by comprising a fixing plate, a connecting piece, a sliding block, a support frame and a dial indicator, wherein the connecting piece is used for connecting the fixing plate with the flange plate, the support frame is connected with the sliding block, the dial indicator is connected to the end part of the support frame, when the fixing plate is tightly attached to the end face of the flange plate, the side surface, away from the center of the flange plate, of the fixing plate is defined as an upper side surface, the upper side surface is parallel to the central connecting line of two screw holes to be measured, the sliding block is connected to the upper side surface in a sliding mode, the sliding line of the sliding block is parallel to the central connecting line of the two screw holes to be measured, the end part of the support frame is suspended above the surface to be measured of the square, and the dial indicator is used for measuring the surface to be measured of the square.

2. The tool for measuring the angular offset between the hole and the square center according to claim 1, wherein two connecting holes are formed in the fixing plate, a central connecting line of the two connecting holes is parallel to the upper side surface, and the two connecting holes correspond to positions of two screw holes to be measured.

3. The tool for measuring the angular offset between the hole and the square center according to claim 2, wherein the connecting piece adopts a positioning pin to connect the two connecting holes and the two screw holes respectively.

4. A tool for measuring angular deviation of a hole from a square center according to claim 3, wherein the fixing plate is a magnetic plate.

5. The tool according to any one of claims 1-4, wherein the support comprises a first rod perpendicular to the upper side, a second rod perpendicularly connected to the end of the first rod and overhanging the upper side of the square to be measured, and a third rod perpendicularly connected to the end of the second rod and parallel to the upper side.

6. The tool for measuring angular deviation between a hole and a square center according to any one of claims 1 to 4, wherein a guide rail is provided on the upper side surface, and the slider is connected to the guide rail.

7. The tool for measuring angular misalignment of a hole and a square center of a vehicle of claim 6 wherein the rail and the slider are one of a roller linear rail, a cylindrical linear rail, and a ball linear rail.