CN214666746U - Novel measuring pin for measuring coaxiality of deep hole - Google Patents

Abstract

The utility model discloses a measure novel probe of deep hole axiality, including sucking disc, extension bar, gauge head, extension bar one end can dismantle with the sucking disc and be connected, the other end can dismantle with the gauge head and be connected, the gauge head on be provided with extension bar vertically screw hole, the screw hole in be provided with set screw, set screw rod tip supports the extension bar to locking extension bar solves deep hole axiality measurement difficulty, realizes need not rotatory probe angle and just can be accurate, the coaxial requirement of efficient measurement deep hole.

Description

Novel measuring pin for measuring coaxiality of deep hole

Technical Field

The utility model relates to a three-coordinate measuring technique field, in particular to measure novel probe of deep hole axiality.

Background

The measurement of the coaxiality is a very common form and position tolerance measurement, and the three-coordinate measurement is the most common measurement method, wherein the measurement of the coaxiality of deep holes is difficult, for example, the measurement of the coaxiality of the deep holes of a casing product is realized.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the utility model provides a measure novel probe of deep hole axiality solves deep hole axiality measurement difficult point, realizes need not rotatory probe angle just can be accurate, the coaxial requirement of efficient measurement deep hole.

The technical scheme of the utility model:

the utility model provides a measure novel probe of deep hole axiality, includes sucking disc, extension bar, gauge head, extension bar one end can dismantle with the sucking disc and be connected, the other end can dismantle with the gauge head and be connected, gauge head 3 on be provided with 2 vertically screw holes of extension bar, the screw hole in be provided with set screw, set screw rod tip supports the extension bar to locking extension bar.

Furthermore, the diameter of the measuring head is phi 15mm, and the tolerance is 0-minus 0.005 mm.

Furthermore, the diameter of the measuring head is phi 20mm, and the tolerance is 0-minus 0.005 mm.

Furthermore, the diameter of the measuring head is phi 25mm, and the tolerance is 0-minus 0.005 mm.

Furthermore, the roundness of the measuring head is within phi 0.002mm, and the luminosity is within Ra0.16.

Further, the fixing bolt is an M3 screw.

Further, the length of the extension rod is 50mm, 100mm, 200mm or 250 mm.

The utility model has the advantages that:

the utility model provides a measure novel probe of deep hole axiality solves deep hole axiality measurement difficult point, realizes need not rotatory probe angle and just can be accurate, the coaxial requirement of efficient measurement deep hole.

Drawings

FIG. 1 is a schematic structural view of the present invention;

wherein: 1-a sucker, 2-an extension bar, 3-a measuring head and 4-a fixing screw.

Detailed Description

The following detailed description of the embodiments of the present invention, such as the shapes, structures, mutual positions and connection relationships of the components, functions and working principles of the components, manufacturing processes, operation and use methods, will be further described in detail with reference to the accompanying drawings, so as to help those skilled in the art to more completely, accurately and deeply understand the concept and technical solutions of the present invention:

as shown in fig. 1, a novel deep hole coaxial probe is characterized by comprising a sucker 1, an extension bar 2, a measuring head 3 and a fixing screw 4, wherein the joint of the extension bar 2 and the sucker 1 is in threaded connection and is fixedly locked, the measuring head 3 is a disc-shaped probe, the disc-shaped probe is in threaded connection with the extension bar 2, and the disc-shaped probe is fixedly locked by the fixing screw 4.

The measuring head 3 has a standard diameter phi 15 (0/-0.005)/phi 20 (0/-0.005)/phi 25(0/-0.005), roundness within phi 0.002mm, and luminosity within Ra0.16. The side discs with different diameters can be manufactured according to actual requirements.

The fixing bolt 4 is an M3 screw.

The extension bar 2 is made of carbon fiber, so that the requirement on measuring rigidity is met.

The length of the extension bar 2 is 50mm, 100mm, 200mm and 250mm, the shortest length is selected under the condition of ensuring measurement when the length is selected, and the force measurement requirement of the three-coordinate measuring machine is ensured.

The specific operation steps are as follows:

1. and installing a novel measuring probe. Firstly, the extension bar 2 is arranged on the sucker 1 and is fixed and locked, and then the disc-shaped measuring pin and the extension bar 2 are fixed and locked by a bolt 4. The force should be moderate when locking the bolt.

2. And (6) checking the measuring needle. And configuring relevant parameters for checking the measuring needle according to the length of the extension bar 2 of the novel measuring needle and the diameter parameters of the disk-shaped measuring head. The internal parameters of the probe check must be completely consistent with all the parameters of the novel probe.

3. And placing the part to be tested. The parts are placed in the effective measuring range of the measuring machine, and overtravel is prevented.

4. And (5) sampling point measurement. And (5) detecting form and position tolerance according to a drawing.

5. And (6) analyzing results. And comparing the actual measurement result with the drawing requirements, and judging whether the measurement result is qualified.

6. A report is generated.

7. And taking down the part to finish measurement.

The utility model discloses an appearance and size can be adjusted according to actual conditions, but structure and principle are unchangeable.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, and various insubstantial improvements can be made without modification to the method and technical solution of the present invention, or the present invention can be directly applied to other occasions without modification, all within the scope of the present invention.

Claims (7)

1. The utility model provides a measure novel probe of deep hole axiality which characterized in that: including sucking disc (1), extension bar (2), gauge head (3), extension bar (2) one end can dismantle with sucking disc (1) and be connected, the other end can dismantle with gauge head (3) and be connected, gauge head (3) on be provided with extension bar (2) vertically screw hole, the screw hole in be provided with set screw (4), set screw (4) screw rod tip supports extension bar (2) to locking extension bar (2).

2. The novel probe for measuring the coaxiality of the deep hole as claimed in claim 1, wherein: the diameter of the measuring head (3) is phi 15mm, and the tolerance is 0-minus 0.005 mm.

3. The novel probe for measuring the coaxiality of the deep hole as claimed in claim 1, wherein: the diameter of the measuring head (3) is phi 20mm, and the tolerance is 0-minus 0.005 mm.

4. The novel probe for measuring the coaxiality of the deep hole as claimed in claim 1, wherein: the diameter of the measuring head (3) is phi 25mm, and the tolerance is 0-minus 0.005 mm.

5. The novel probe for measuring the coaxiality of the deep hole as claimed in claim 1, wherein: the roundness of the measuring head (3) is within phi 0.002mm, and the luminosity is within Ra0.16.

6. The novel probe for measuring the coaxiality of the deep hole as claimed in claim 1, wherein: the fixing screw (4) is an M3 screw.

7. The novel probe for measuring the coaxiality of the deep hole as claimed in claim 1, wherein: the length of the extension bar (2) is 50mm, 100mm, 200mm or 250 mm.

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