CN215177419U - A dipperstick that is used for nodical to datum plane distance of herringbone tooth - Google Patents

Abstract

The utility model relates to a dipperstick that is used for nodical to datum plane distance of herringbone tooth, including blade, vernier, rule graduated flask, reference base and standard ball, blade vertical fixation is in the one end of reference base, the vernier cover is established on the blade, and adjusts the elasticity through fastening screw, rule the graduated flask and fix in the lower part of vernier, the standard ball sets up on ruling the graduated flask, reference base and rule the graduated flask orientation with one side. The utility model discloses an adopt newly-designed dipperstick to intersect to the reference surface distance of herringbone tooth and measure, dipperstick overall structure is simple, and through the cooperation with geometric sense measuring equipment three-coordinate measuring machine, can be simple, swift accomplish the measurement of nodical reference plane distance of crossing, has improved the work efficiency that detects, improves the accuracy, the reliability of testing data simultaneously.

Description

A dipperstick that is used for nodical to datum plane distance of herringbone tooth

Technical Field

The utility model belongs to the technical field of gear measuring tool and specifically relates to a dipperstick that is used for nodical to reference plane distance of herringbone tooth.

Background

In the herringbone gear, the upper gear and the lower gear are generally symmetrical, and the only difference is that the rotation directions of the upper gear and the lower gear are opposite, namely: one gear is left-handed and the other gear is right-handed. Among the detection requirements of the herringbone gear, one of the detection requirements is as follows: the upper half gear has a distance from an intersection of an extension line of a designated tooth and an extension line of another designated tooth in the lower half gear to the upper reference plane or the lower reference plane.

The distance detection cannot be finished manually, in the traditional detection method, the detection is carried out through a gear measurement center, but because the gear measurement center is professional equipment for measuring the gear, although the measured parameters are wide, the problems of complex measurement process and complex steps still exist when the herringbone tooth measurement is applied to measurement, repeated tests are needed, several days of time are needed sometimes, and the efficiency is low. In the measuring process, the measuring head of the device also often has the phenomena of collision, dryness and the like. And the measurement software of the measurement function configured in the gear measurement center is unstable and has poor repeatability, so that the measurement precision of the project is unstable and the reliability is poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model aims at providing a dipperstick that is used for nodical to reference plane distance of herringbone tooth, this dipperstick simple structure for the relevant parameter measurement of herringbone tooth is more convenient.

In order to achieve the purpose of the invention, the utility model adopts the following technical scheme:

a measuring scale for the distance from a herringbone tooth intersection point to a reference plane comprises a scale body, a vernier, a line drawing measuring jaw, a reference base and a standard ball, wherein the scale body is vertically fixed at one end of the reference base, the vernier is sleeved on the scale body and is adjusted in tightness through a fastening screw, the line drawing measuring jaw is fixed at the lower part of the vernier, the standard ball is arranged on the line drawing measuring jaw, and the reference base and the line drawing measuring jaw face to the same side.

As a preferable scheme: the standard ball is welded with a screw rod, a threaded hole is formed in one end, far away from the ruler body, of the scribing measuring claw, and the screw rod is arranged in the threaded hole.

As a preferable scheme: the upper part of the ruler body, which is positioned on the vernier, is also provided with a fine adjustment device, and the fine adjustment device is also fastened with the ruler body through a fastening screw.

As a preferable scheme: the vernier includes regulating part and measuring part, the regulating part becomes the U type, and the both ends of open-ended turn over to the enstrophe and form spacing limit, the measuring part is located one side of regulating part, the measuring part becomes trapezoidal, and bends along hypotenuse downwardly extending and form the mounting bar parallel with the benchmark base.

As a preferable scheme: the scribing measuring jaw is fixed on the lower portion of the mounting bar through a screw, and one end of the scribing measuring jaw extends out of the mounting bar.

As a preferable scheme: the vernier and the ruler body are provided with scale marks, and the length of the screw welded on the standard ball is less than or equal to 20 mm.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses an adopt newly-designed dipperstick to intersect to the reference surface distance of herringbone tooth and measure, dipperstick overall structure is simple, and through the cooperation with geometric sense measuring equipment three-coordinate measuring machine, can be simple, swift accomplish the measurement of nodical reference plane distance of crossing, has improved the work efficiency that detects, improves the accuracy, the reliability of testing data simultaneously.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.

Fig. 1 is a schematic view of the overall structure of the measuring scale of the present invention;

fig. 2, 3, 4 and 5 are schematic diagrams of the measuring scale of the present invention measuring different positions of the herringbone ruler.

Wherein the reference numerals are: 1. a ruler body; 2. a fine adjustment device; 3. fastening screws; 4. a cursor; 5. marking out a measuring jaw; 6. a reference base; 7. a standard ball.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings and examples.

The measuring scale for the distance from the herringbone tooth intersection point to the reference plane comprises a scale body 1, a vernier 4, a scribing measuring jaw 5, a reference base 6 and a standard ball 7, wherein the scale body 1 is vertically fixed at one end of the reference base 6, the vernier 4 is sleeved on the scale body 1, the tightness is adjusted through a fastening screw 3, the scribing measuring jaw 5 is fixed at the lower part of the vernier 4, the standard ball 7 is arranged on the scribing measuring jaw 5, and the reference base 6 and the scribing measuring jaw 5 face to the same side.

Vernier 4 includes regulating part and measuring part, the regulating part becomes the U type, and the both ends of open-ended turn over to the enstrophe and form spacing limit, and convenient activity sets up on blade 1, and the while is gone up to realize the rigidity of vernier with blade counterbalance through fastening screw 3 on vernier 4, and through unscrewing fastening screw, makes things convenient for vernier 4 to adjust from top to bottom on the blade. The measuring part is positioned on one side of the adjusting part, is trapezoidal and extends and bends downwards along the inclined edge to form a mounting strip parallel to the reference base 6. The scribing measuring jaw 5 is fixed on the lower portion of the mounting bar through a screw, and one end of the scribing measuring jaw 5 extends out of the mounting bar.

And a screw rod is welded on the standard ball 7, and the length of the screw rod is less than or equal to 20 mm. And a threaded hole is formed in one end, far away from the ruler body 1, of the scribing measuring jaw 5, and the screw rod is arranged in the threaded hole. The upper part of the vernier 4 on the ruler body 1 is also provided with a fine adjustment device 2, and the fine adjustment device 2 is also fastened with the ruler body 1 through a fastening screw 3. And scale marks are arranged on the vernier 4 and the ruler body 1.

Adopt the utility model discloses a dipperstick concrete detection step as follows:

1) and selecting a three-coordinate measuring machine with proper size and specification according to the external dimension of the herringbone gear, and assembling and calibrating a measuring head of the three-coordinate measuring machine.

2) If the three-coordinate measuring machine is provided with a marble workbench, the herringbone gear is horizontally placed on the workbench, if the three-coordinate measuring machine is of a gantry type, a proper equal-height block or other auxiliary stacked herringbone gears are selected, but the arrangement needs to ensure that the height gauge does not generate a dry and astringent phenomenon during measurement.

3) After the gear is placed, element collection is carried out on a reference surface on the gear by using a three-coordinate measuring machine, a coordinate system of a part is established by taking the plane as a reference, and the Z axis of the plane is set to be 0.

4) As shown in fig. 2, the reference plane of the measuring scale of the utility model is tightly attached to the upper reference plane of the herringbone gear, the vernier is moved up and down, the standard ball is positioned at the position of the upper half gear of the herringbone gear with the full tooth height of about 10 percent, the measuring scale is swung left and right, the standard ball is just tightly attached to the tooth socket of the upper half gear, and the reading on the height gauge is recorded

(ii) a Simultaneously, measuring the standard ball by using a three-coordinate measuring machine, and determining the position of the point; as shown in FIG. 3, the same method is used to read the height reading at another location in the same tooth slot

And ensuring that the height of the standard ball is about 90% of the full tooth height, and simultaneously measuring the standard ball by using a three-coordinate measuring machine to determine the position of the point.

And

the distance is about 80% of the full tooth height.

5) As shown in FIGS. 4 and 5, the reference plane of the measuring ruler is closely attached to the lower reference plane of the herringbone gear, and the heights of two positions on the corresponding tooth grooves of the lower half gear are read according to the method of step 4)

' and

', likewise, it should be ensured

' and

' the distance is as large as possible and ensured

=

'，

=

And' simultaneously measuring the position of the point by using a three-coordinate measuring machine.

6) In three-coordinate operation software, using

、

And

'、

respectively constructing straight lines, and finding out an intersection point of the two straight lines by using the intersection function of the straight lines in software, wherein the Z-axis coordinate of the intersection point is a required result.

It should be noted that the above embodiments are merely representative examples of the present invention. The utility model can also have a plurality of deformations. Any simple modification, equivalent changes and modifications made to the above embodiments according to the essence of the present invention should be considered as belonging to the protection scope of the present invention.

Claims (6)

1. A dipperstick that is used for nodical to datum plane distance of herringbone tooth which characterized in that: including blade (1), vernier (4), rule graduated flask (5), benchmark base (6) and standard ball (7), blade (1) vertical fixation is in the one end of benchmark base (6), vernier (4) cover is established on blade (1), and adjusts the elasticity through fastening screw (3), the lower part at vernier (4) is fixed in rule graduated flask (5), standard ball (7) set up on rule graduated flask (5), benchmark base (6) and rule graduated flask (5) are towards same one side.

2. The measurement ruler for a herringbone tooth intersection point to reference plane distance of claim 1, wherein: the standard ball (7) is welded with a screw rod, one end, far away from the ruler body (1), of the scribing measuring claw (5) is further provided with a threaded hole, and the screw rod is arranged in the threaded hole.

3. The measurement ruler for a herringbone tooth intersection point to reference plane distance of claim 1, wherein: the upper portion of the ruler body (1) located on the vernier (4) is further provided with a fine adjustment device (2), and the fine adjustment device (2) is fastened with the ruler body (1) through a fastening screw (3).

4. The measurement ruler for a herringbone tooth intersection point to reference plane distance of claim 1, wherein: vernier (4) are including regulating part and measuring part, the regulating part becomes the U type, and the both ends of open-ended turn over to the enstrophe and form spacing limit, the measuring part is located one side of regulating part, the measuring part becomes trapezoidal, and bends along hypotenuse downwardly extending and form the mounting bar parallel with benchmark base (6).

5. A measuring rule for the distance of a herringbone tooth point to a reference plane, according to claim 4, characterized in that: the scribing measuring jaw (5) is fixed on the lower portion of the mounting bar through a screw, and one end of the scribing measuring jaw (5) extends out of the mounting bar.

6. The measurement ruler for a herringbone tooth intersection point to reference plane distance of claim 1, wherein: the vernier (4) and the ruler body (1) are provided with scale marks, and the length of a screw welded on the standard ball (7) is less than or equal to 20 mm.

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