CN219284193U

CN219284193U - Helical gear helical tooth angle measuring tool

Info

Publication number: CN219284193U
Application number: CN202223128950.1U
Authority: CN
Inventors: 张伟
Original assignee: Anhui Gangtai Machinery Manufacturing Group Co ltd
Current assignee: Anhui Gangtai Machinery Manufacturing Group Co ltd
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-06-30
Anticipated expiration: 2032-11-24

Abstract

The utility model discloses a bevel gear angle measuring tool for measuring angles formed by bevel gears and bevel gear end faces, which comprises a fixed disc, wherein a measuring rod is rotationally connected to the disc surface of the fixed disc, the rotation axis of the measuring rod is intersected with the axis of the fixed disc, the measuring rod is used for being attached to the inclined surface of the bevel gears, the disc surface of the fixed disc is used for being attached to the end faces of the bevel gears, an angle gauge is arranged on the fixed disc, a round dot of the angle gauge is arranged on the rotation axis of the measuring rod, and the plane where the angle gauge is located is parallel to the rotation plane of the measuring rod. This helical gear helical tooth angle measuring tool can make the measuring stick card between two adjacent helical teeth through the rotation of measuring stick to through the coincidence of the scale mark on measuring stick and the protractor, through the angle numerical value of observing the scale mark, can read out angle numerical value, and then realize the measurement on the angle, realize the measurement of helical tooth angle on the helical gear.

Description

Helical gear helical tooth angle measuring tool

Technical Field

The utility model relates to the technical field of helical gear angle measuring tools, in particular to a helical gear angle measuring tool.

Background

The bevel gear needs to measure the inclination angle of the bevel gear after precision machining to determine whether machining meets requirements, and micrometer or vernier caliper measurement is adopted at present, but measurement cannot be accurately obtained due to different personnel's methods or different measured positions, so that a standard measuring tool is needed to measure the bevel gear angle of the bevel gear.

The utility model patent with publication number of CN203758439U discloses a processing helical gear angle device, wherein a horizontal base ruler is attached to the end face of a helical gear face, one hand is needed to attach the horizontal base ruler to the end face of a helical gear in the actual use process, and the other hand is needed to operate the angle measuring angle ruler, so that the measurement personnel can not read the angle dial at a proper visual angle.

Disclosure of Invention

The utility model aims to provide a helical gear helical tooth angle measuring tool, which solves the following technical problems:

1. the micrometer or vernier caliper is adopted for measurement, but the inclination angle of the helical gear helical teeth can not be accurately obtained due to different personnel's methods or different measured positions;

2. the existing rotary device for measuring the inclined angle of the helical teeth needs two hands to operate, and is difficult to give the operator proper posture and visual angle to read the measured value, and particularly, larger deviation can be caused if the angle ruler is adopted and cannot read from the vertical angle.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the bevel gear angle measuring tool is used for measuring angles formed by bevel gears and the end faces of the bevel gears and comprises a fixed disc, wherein a measuring rod is rotationally connected to the disc face of the fixed disc, the rotation axis of the measuring rod is intersected with the axis of the fixed disc, and the measuring rod is used for being attached to the inclined faces of the bevel gears;

the disc surface of the fixed disc is used for being attached to the end surface of the bevel gear;

the fixed disk is provided with a protractor, the round point of the protractor is arranged on the rotation axis of the measuring rod, and the plane of the protractor is parallel to the rotation plane of the measuring rod.

Preferably, the center of the surface of the fixing disc, which is used for being attached to the end surface of the bevel gear, is provided with a limit column, and the limit column is used for being inserted into a mounting hole of the bevel gear.

Preferably, one end of the fixed disc, which is far away from the measuring rod, is connected with a hand lever.

Preferably, the diameter of the outer ring of the fixed disc is larger than that of the outer ring of the helical gear.

Preferably, scale marks are arranged on the measuring rod and used for assisting the reading of the protractor.

Compared with the prior art, the utility model has the beneficial effects that: this helical gear helical tooth angle measuring tool can make the measuring stick card between two adjacent helical teeth through the rotation of measuring stick to through the coincidence of the scale mark on measuring stick and the protractor, through the angle numerical value of observing the scale mark, can read out angle numerical value, and then realize the measurement on the angle, realize the measurement of helical tooth angle on the helical gear.

Drawings

FIG. 1 is a front view of the present utility model;

FIG. 2 is a front view of a holding pan of the present utility model;

fig. 3 is a front view of the present utility model.

In the figure: 1. a fixed plate; 2. a measuring rod; 21. scale marks; 3. an angle gauge; 31. a scale; 4. a limit column; 5. a hand lever; 51. a handle panel; 6. a rotating part; 7. bevel gear; 71. helical teeth.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1:

referring to fig. 1-3, the present utility model provides a technical solution: the bevel gear angle measuring tool is used for measuring angles formed by bevel teeth 71 of a bevel gear 7 and the end faces of the bevel gear 7 and comprises a fixed disc 1, wherein a measuring rod 2 is rotationally connected to the disc surface of the fixed disc 1, the rotation axis of the measuring rod 2 is intersected with the axis of the fixed disc 1, and the measuring rod 2 is used for being attached to the inclined surfaces of the bevel teeth 71;

the disc surface of the fixed disc 1 is used for being attached to the end surface of the bevel gear 7;

the fixed disk 1 is provided with a protractor 3, the round point of the protractor 3 is arranged on the rotation axis of the measuring rod 2, and the plane of the protractor 3 is parallel to the rotation plane of the measuring rod 2.

Wherein: the measuring rod 2 can be rotationally connected with the fixed disk 1 through the rotating part 6, a rotating shaft is arranged on the rotating part 6, and the axis of the rotating shaft is the rotating axis of the measuring rod 2.

The protractor 3 may be a transparent protractor.

For convenient observation, graduation marks 21 may be provided on the measuring rod 2.

For convenience of staff operation, one end of the fixed disc 1 far away from the measuring rod 2 is connected with a hand lever 5.

To further facilitate the handling of the tool by the staff, the end of the hand lever 5 may be provided with a handle disc 51.

In order to limit the position of the tool on the bevel gear 7, a limit post 4 can be arranged in the center of the surface of the fixing disc 1, which is used for being attached to the end surface of the bevel gear 7, and when the tool is used, the limit post 4 is used for being inserted into a mounting hole of the bevel gear 7.

Since the tool is placed on top of the bevel gear 7 for measurement, care should be taken that the bevel gear 7 with an excessively large diameter of the mounting hole cannot be measured when measuring the inclination angle of the bevel teeth of the bevel gear 7.

When the angle measuring tool is used, the bevel gear 7 is placed on a horizontal tabletop, the handle disc 51 and the handle rod 5 are held, the limit post 4 is inserted into the through hole at the top of the bevel gear 7 after the angle measuring tool is taken up, the measuring rod 2 is clamped between two adjacent bevel teeth 71, then the position of the fixing disc 1 is adjusted, the axis of the fixing disc 1 is enabled to coincide with the axis of the bevel gear 7, the measuring rod 2 is rotated, and as the circle center position of the protractor 3 and the circle center position of the measuring rod 2 are located on the same axis, the scale 31 on the protractor 2 coincides with the scale mark 21, the angle value can be read by observing the angle value of the scale mark 21, further the angle measurement is realized, and after the measurement is completed, the angle measuring tool is taken down.

If the number of bevel gears 7 to be measured is large and the inner diameters of the bevel gears 7 are uniform, it is conceivable that the spacing post 4 is sized to be capable of clearance fit with the inner diameters of the bevel gears 7, so that the adjustment of the axis of the fixed disk 1 coincident with the axis of the bevel gears 7 can be expedited in the face of a large number of bevel gears 7 of the same inner diameter.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a helical gear helical tooth angle measuring tool for helical tooth (71) of helical gear (7) and the measurement that helical gear (7) terminal surface formed angle, includes fixed disk (1), its characterized in that:

a measuring rod (2) is rotationally connected to the disc surface of the fixed disc (1), the rotation axis of the measuring rod (2) is intersected with the axis of the fixed disc (1), and the measuring rod (2) is used for being attached to the inclined surface of the inclined tooth (71);

the disc surface of the fixed disc (1) is used for being attached to the end surface of the bevel gear (7);

the fixed disk (1) is provided with a protractor (3), the round point of the protractor (3) is arranged on the rotation axis of the measuring rod (2), and the plane of the protractor (3) is parallel to the rotation plane of the measuring rod (2).

2. A helical gear bevel angle measurement tool according to claim 1, wherein: the fixing disc (1) is used for being provided with a limit column (4) in the center of a surface attached to the end face of the bevel gear (7), and the limit column (4) is used for being inserted into a mounting hole of the bevel gear (7).

3. A helical gear bevel angle measurement tool according to claim 1, wherein: one end of the fixed disc (1) far away from the measuring rod (2) is connected with a hand lever (5).

4. A helical gear bevel angle measurement tool according to claim 1, wherein: the diameter of the outer ring of the fixed disc (1) is larger than that of the outer ring of the bevel gear (7).

5. A helical gear bevel angle measurement tool according to claim 1, wherein: the measuring rod (2) is provided with scale marks (21), and the scale marks (21) are used for assisting in reading of the protractor (3).