CN216745886U

CN216745886U - Measuring device

Info

Publication number: CN216745886U
Application number: CN202123437999.0U
Authority: CN
Inventors: 赵春波; 毕远见; 齐佳萍; 徐放
Original assignee: Fawer Automotive Parts Co Ltd
Current assignee: Fawer Automotive Parts Co Ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-06-14
Anticipated expiration: 2031-12-31

Abstract

The application provides a measuring device relates to transmission shaft technical field for measure the depth of parallelism and the symmetry of flange fork, flange fork include end tooth portion, and measuring device includes: a mounting surface; the at least three fixed reference components are fixedly arranged on the mounting surface, the at least three fixed reference components determine a positioning plane, and the end tooth part is supported on the positioning plane. The application provides a measuring device utilizes three points to confirm the plane principle, adopts and confirms that the locating plane supports the end tooth portion of flange fork by at least three reference member, utilizes the locating plane to ensure under the accurate condition of location, and location structure is simpler for prior art, has solved and has adopted tang dish and spring ejector pin to fix a position, the comparatively complicated technical problem of structure among the prior art.

Description

Measuring device

Technical Field

The application relates to the technical field of transmission shafts, in particular to a measuring device.

Background

The flange yoke of the transmission shaft is an important part of the transmission shaft, the symmetry (or the position) of the flange yoke and the parallelism (or the verticality) of the flange yoke are important manufacturing standards for the flange yoke, and in the prior art, when the flange yoke is positioned before measurement, a stop plate and a spring ejector rod are generally adopted for positioning, however, the structure of the positioning mode is complex.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present application provides a measuring device to solve the above technical problems.

The present application provides a measuring device for measuring the depth of parallelism and the symmetry of a flange yoke, the flange yoke includes an end tooth portion, the measuring device includes:

a mounting surface;

the at least three reference members are fixedly arranged on the mounting surface, a positioning plane is determined by the at least three reference members, and the end tooth part is supported on the positioning plane.

Preferably, the measuring device further comprises a first ball member disposed on the mounting surface, the first ball member being tangential to the locating plane, the first ball member being arranged to rotate about a centre of the first ball member.

Preferably, the measuring device further includes a first support member that penetrates through the mounting surface, a portion of the first support member is disposed on the reference member side of the mounting surface, the portion of the first support member includes a first accommodating portion, and the first ball member is disposed in the first accommodating portion.

Preferably, the reference member is a second ball member, the measuring apparatus further includes a second support member penetrating the mounting surface, a portion of the second support member is provided on the reference member side of the mounting surface, the portion of the second support member includes a second receiving portion, and the second ball member is fixed in the second receiving portion.

Preferably, the reference fixing member is an end tooth seat, and the end tooth seat comprises end teeth which are embedded with the end tooth parts.

Preferably, the measuring device further comprises:

a first seat including the mounting face;

a second seat comprising a measuring plane, the first seat being arranged in the measuring plane.

Preferably, the nosing fork further comprises a fork portion, the measuring device further comprising:

the mandrel is used for being erected on the fork part;

and the cylindrical reference part is arranged at a distance from the measuring plane, the cylindrical reference part is positioned on the fixed reference component side of the measuring plane, and a side bus of the cylindrical reference part is parallel to the measuring plane.

Preferably, the measuring device further comprises a connecting portion, the connecting portion is disposed on the measuring plane, and the connecting portion is connected with the cylindrical reference portion.

Preferably, the measuring device further comprises:

the sliding seat is arranged on the measuring plane in a sliding manner;

and the measuring assembly is connected with the sliding seat and is used for measuring the parallelism and the symmetry of the flange yoke.

Preferably, the measuring assembly comprises:

the first meter is connected with the sliding seat and is used for being matched with the mandrel so as to measure the symmetry degree of the flange yoke;

and the second meter is connected with the sliding seat and is used for measuring the parallelism of the flange yoke.

The application provides a measuring device utilizes three points to confirm the plane principle, adopts and confirms that the locating plane supports the end tooth portion of flange fork by at least three reference member, utilizes the locating plane to ensure under the accurate condition of location, and location structure is simpler for prior art, has solved and has adopted tang dish and spring ejector pin to fix a position, the comparatively complicated technical problem of structure among the prior art.

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

FIG. 1 is a schematic diagram illustrating a front view of a measurement device provided by an embodiment of the present application;

FIG. 2 shows a schematic diagram of a top view of a measurement device provided by an embodiment of the present application;

FIG. 3 shows a schematic view of an enlarged view at A in FIG. 2;

fig. 4 shows a flowchart of a measurement method provided in an embodiment of the present application.

Reference numerals:

10-first seat, 11-mounting surface, 20-second seat, 21-measuring plane, 30-first ball member, 40-second ball member, 51-first support, 52-second support, 61-sliding seat, 62-upper surface, 71-cylindrical reference portion, 72-connecting portion, 80-mandrel, 81-mandrel side generatrix, 90-flange yoke.

Detailed Description

The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only 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.

In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and 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 thus, should not be construed as limiting the present application. 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 application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 application can be understood in a specific case by those of ordinary skill in the art.

In addition, technical solutions between the embodiments may be combined with each other, but must be based on the realization of the technical solutions by a person skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope claimed in the present application.

A first aspect of the embodiments of the present application provides a measuring device, which includes a first seat 10, a second seat 20, a first ball member 30, a second ball member 40, a first support 51, a second support 52, a sliding seat 61, an upper surface 62, a cylindrical reference portion 71, a connecting portion 72, and a mandrel 80, and the structure and the operation principle of these components will be described in detail below with reference to fig. 1 to 3.

In the embodiment, the measuring device is used for measuring the parallelism and symmetry of the flange yoke 90, the flange yoke 90 includes an end tooth portion, the measuring device includes the mounting surface 11 and at least three fixed reference members, wherein the at least three fixed reference members are fixedly arranged on the mounting surface 11, the at least three fixed reference members determine the positioning plane, and the end tooth portion is supported on the positioning plane.

In an example of the present embodiment, on the basis of at least three fixed reference members, the measuring apparatus may further include a first ball member 30, the first ball member 30 may be disposed on the mounting surface 11, the first ball member 30 may be tangent to the positioning plane, and the first ball member 30 is disposed to rotate about a spherical center of the first ball member 30. Here, reference may be made in particular to fig. 2 and 3, wherein fig. 2 shows a front view of the measuring device, fig. 3 shows an enlarged view at a in fig. 2, in an embodiment, fig. 3 emphatically shows the first ball member 30 and the first support 51 supporting the first ball member 30, in conjunction with fig. 2 and 3, in an embodiment, the mounting surface 11 may be a plane, which may be an upper end surface of the first seat 10, the first support 51 may penetrate the mounting surface 11, a portion of the first support 51 is disposed on a fixed reference member side of the mounting surface 11, the portion of the first support 51 includes a first accommodation portion, and the first ball member 30 is disposed in the first accommodation portion. Specifically, the first support 51 may include two upper and lower portions, and the lower portion of the first support 51 is screwed into a threaded hole previously opened in an upper end surface (i.e., a measurement plane 21 described below) of the second seat 20 through the first seat 10 to connect the first seat 10 and the second seat 20, as shown in fig. 3, the upper portion of the first support 51 includes a shoulder and a tapered portion provided from bottom to top, the shoulder is used to abut against the mounting surface 11 to ensure that the position of the first support 51 with respect to the mounting surface 11 is determined, and the upper end of the tapered portion is formed with a groove portion (i.e., a first receiving portion) that may be adapted to the shape of the first ball member 30 so that the first ball member 30 may be rotatably disposed in the groove portion around its center of sphere.

In an embodiment, because the first ball member 30 is tangent to the plane of orientation, the first ball member 30 also participates in defining the plane of orientation, and because the first ball member 30 is able to rotate about its center of sphere, the first ball member 30 is "floating" in nature, which allows the nosing fork 90 to be not over-positioned after co-positioning with the first ball member 30 via at least three fixed reference members, which improves the accuracy of obtaining the measured parallelism and symmetry of the nosing fork 90.

Further, as shown in fig. 2, in an embodiment, the fixed reference member may be a second ball member 40, the measuring apparatus further includes a second support 52, the second support 52 penetrates through the mounting surface 11, a portion of the second support 52 is disposed on the fixed reference member side of the mounting surface 11, the portion of the second support 52 includes a second accommodating portion, and the second ball member 40 is fixed in the second accommodating portion. In the embodiment, here, the positioning plane is a plane tangent to at least three (for example, three in the present embodiment, but may also be four, five, six, etc.) of the second ball members 40, so that the positioning accuracy of the flange yoke 90 is effectively improved by using the second ball members 40 (and also the first ball member 30 described above), the structure of the second support 52 may be the same as that of the first support 51 described above, and the second support may connect the first seat 10 and the second seat 20 in the same manner as the first support 51, except that the upper portion of the second support may also be formed with a groove portion (i.e., a second receiving portion) for receiving the second ball member 40, and the groove portion may be fixedly connected with the second ball member 40. Further, in an embodiment, the second ball member 40 may be the same ball member as the first ball member 30, such as a 3.5mm diameter steel ball.

However, although not shown in the drawings, in another example of the present embodiment, the fixed reference member may be an end tooth holder including end teeth, the end teeth are engaged with the end tooth portions, and the positioning plane is a plane on which the upper surfaces 62 of the end teeth of the end tooth holder are located, and in the present embodiment, the number of the end tooth holders may be four, and the four end tooth holders may be arranged on the mounting surface 11 in a rectangular shape (the three second ball members 40 and the first ball members 30 may also be arranged). In embodiments, different sizes of flange yoke 90, i.e., different sizes of end tooth sections, may be accommodated using end tooth seats.

As mentioned above, the upper end surface of the second seat 20 may be the measurement plane 21, and the first seat 10 may be disposed on the measurement plane 21. In an embodiment, the flange yoke 90 further includes a fork portion, and the measuring device may further include a core shaft 80, a cylindrical reference portion 71 and a connecting portion 72, wherein the core shaft 80 may be configured to be mounted on the fork portion, the connecting portion 72 may be disposed on the measuring plane 21 (for example, connected to the second seat 20 by a screw), the connecting portion 72 is connected to the cylindrical reference portion 71, so that the cylindrical reference portion 71 may be disposed at a distance from the measuring plane 21, the cylindrical reference portion 71 may be located on a reference member side of the measuring plane 21, in an embodiment, a side generatrix of the cylindrical reference portion 71 serves as a measuring reference and may be parallel to the measuring plane 21, that is, an axial direction of the cylindrical reference portion 71 is a horizontal direction.

Referring to fig. 1, the measuring device may further include a sliding seat 61 and a measuring assembly, wherein the sliding seat 61 may be slidably disposed on the measuring plane 21, and the sliding may be a sliding movement in which the sliding seat 61 is directly placed on the measuring plane 21 and then pushed by an operator, in an embodiment, the measuring assembly may be connected with the sliding seat 61, and the measuring assembly is used for measuring the parallelism and symmetry of the flange yoke 90, specifically, the measuring assembly may include an upper table 62 (i.e., a first table) and a lower table (i.e., a second table), both of which may be percentage tables, and both may be connected with the sliding seat 61, in an embodiment, the upper table 62 may be used for cooperating with the spindle 80 for measuring the symmetry of the flange yoke 90, and the lower table may be used for measuring the parallelism of the flange yoke 90.

A second aspect of the embodiments of the present application provides a measuring method for measuring the parallelism and symmetry of a flange yoke 90, the flange yoke 90 including end teeth, as shown in fig. 4, in which the measuring method can be implemented by using the above measuring apparatus, and in which the measuring method includes:

the reference members are used for determining a positioning plane, the positioning plane supports the end tooth part,

the mandrel 80 is mounted to the fork portion,

determining the measuring plane 21 and a reference generatrix (e.g. a side generatrix of the cylindrical reference part 71) parallel to the measuring plane 21, zeroing the reference generatrix by abutting the reference generatrix with a first table (e.g. the upper table 62), measuring the spindle side generatrix 81 at both ends of the spindle 80 with the first table, calculating the symmetry of the flange yoke 90, in the embodiment shown in fig. 1 two positions of the upper table 62 for zeroing and measuring, wherein the position of zeroing is indicated by a dashed line, the position of measuring is indicated by a solid line,

the parallelism of the flange yoke 90 is read by zeroing the end face of the first end of the spindle 80 with a second gauge (e.g., the table below) and abutting the end face of the second end of the spindle 80 with the second gauge.

The above description is only a preferred embodiment of the present application, and is not intended to limit the scope of the present application, and all the modifications and equivalents of the structures described in the specification and drawings, or any other technical fields related thereto, which are directly or indirectly applicable to the present application, are included in the scope of the present application.

Claims

1. A measuring device for measuring parallelism and symmetry of a flange yoke, the flange yoke including end teeth, the measuring device comprising:

a mounting surface;

2. A measuring device according to claim 1, further comprising a first ball member disposed on the mounting surface, the first ball member being tangential to the locating plane, the first ball member being arranged to rotate about a spherical centre of the first ball member.

3. The measurement device according to claim 2, further comprising a first support that penetrates the mounting surface, a portion of the first support being disposed on the referencing member side of the mounting surface, the portion of the first support including a first receiving portion in which the first ball member is disposed.

4. The measurement device of claim 1, wherein the reference member is a second ball member, the measurement device further comprising a second support member that penetrates the mounting surface, a portion of the second support member being disposed on the reference member side of the mounting surface, the portion of the second support member including a second receiving portion in which the second ball member is fixed.

5. A measuring device according to claim 1, wherein the reference member is an end-tooth holder comprising end teeth which engage with the end-tooth portion.

6. The measurement device of claim 1, further comprising:

a first seat including the mounting face;

7. The measuring device of claim 6, wherein the nosing fork further comprises a prong portion, the measuring device further comprising:

the mandrel is used for being erected on the fork part;

8. The measurement device of claim 7, further comprising a connecting portion disposed at the measurement plane, the connecting portion being connected to the cylindrical reference portion.

9. The measurement device of claim 7, further comprising:

the sliding seat is arranged on the measuring plane in a sliding manner;

10. The measurement device of claim 9, wherein the measurement assembly comprises: