CN220829160U

CN220829160U - Device for rapidly measuring center distance of end face positioning pins of shaft parts

Info

Publication number: CN220829160U
Application number: CN202322657361.0U
Authority: CN
Inventors: 高兴臣; 周杰峰; 白金
Original assignee: Jingzhou Huanqiu Automobile Parts Manufacturing Co ltd
Current assignee: Jingzhou Huanqiu Automobile Parts Manufacturing Co ltd
Priority date: 2023-09-28
Filing date: 2023-09-28
Publication date: 2024-04-23
Anticipated expiration: 2033-09-28

Abstract

The utility model relates to a device for rapidly measuring the center distance of end face positioning pins of shaft parts, and belongs to the field of measurement. The locating pin comprises a standard dial indicator, a V-shaped block seat body, a support, a standard calibration rod and a locking element fixed on the support, wherein the dial indicator, the support and the V-shaped block seat body are connected by using a fastening screw, the position of the dial indicator is well adjusted by using the calibration rod, the zero position of the dial indicator is well adjusted, the center distance of a locating pin is measured by rotating the V-shaped block, the center distance of each part of the locating pin can be rapidly detected by moving the V-shaped block along the axial direction of a part, whether the locating pin is vertical to the end face can be judged by detecting the center distance of the outermost end and the innermost end of the locating pin, the use is convenient, the part can be directly measured without turnover, and the precision is high.

Description

Device for rapidly measuring center distance of end face positioning pins of shaft parts

Technical Field

The utility model relates to a device for rapidly measuring the center distance of end face positioning pins of shaft parts, and belongs to the field of measurement.

Background

At present, the end faces of the parts such as a cam shaft and a crank shaft are required to be provided with positioning pins, the precision requirement on the direction of the center distance is very high, many press fits of the positioning pins and positioning holes are in interference fit, the positioning pins are inevitably provided with perpendicularity errors after the press fit is finished, the requirement of customer assembly can be met after the press fit of the positioning pins, the interchangeability of products is ensured, the center distance of the end face positioning pins of the shaft parts which are finished by the press fit is required to be detected, and at present, most of the detection of the center distance is performed by a three-coordinate instrument.

Disclosure of Invention

The utility model provides a device for rapidly measuring the center distance of the end face locating pin of the shaft part, which can directly measure the center distance of the end face locating pin of the shaft part, and has the advantages of high efficiency, convenient use and low cost.

In order to achieve the above purpose, the technical scheme provided by the utility model is as follows: the utility model provides a device of quick measuring axle class part terminal surface locating pin centre-to-centre spacing, includes percentage table, V type piece pedestal at least, support, standard school stick and be fixed in the locking element on the support, its characterized in that: the bracket comprises a fastening screw, the dial indicator is fixed on the bracket through the fastening screw, the bracket is vertically fixed on the central axis of the V-shaped block seat body through the fastening screw, and the dial indicator measuring needle is vertically contacted with the end face locating pin of the shaft part.

The V-shaped block seat body is tightly attached to the shaft neck of the shaft part to be tested and is used for rotating on the shaft neck of the shaft part to be tested.

The support is parallel to the axial central axis of the shaft part to be tested.

The center distance of the locating pin is obtained through a measured value when the dial indicator measuring needle passes through the highest point of the locating pin.

According to the technical scheme, the device for rapidly measuring the center distance of the positioning pin on the end face of the shaft part is provided, the dial indicator, the support and the V-shaped block seat are fastened and connected by the screw, the position of the dial indicator is fixed by the calibration rod, the zero position of the dial indicator is adjusted, the center distance of the positioning pin can be rapidly measured by rotating the V-shaped block seat, the center distance of the positioning pin can be rapidly measured by moving the V-shaped block along the axial direction of the part, and whether the positioning pin is perpendicular to the end face can be judged by measuring the center distances of the outermost end and the innermost end of the positioning pin. Compared with the prior art, the device for measuring the center distance of the end face positioning pin of the shaft part rapidly has the advantages of simple structure, low cost, direct measurement of the part without turnover and high measurement precision, and is matched with a calibration rod.

Drawings

FIG. 1 is a left side view of a device for rapidly measuring the center distance of an end face locating pin of a shaft part;

Fig. 2 is a front view of a device for rapidly measuring the center distance of an end face locating pin of a shaft part.

In the figure: 1. a dial indicator; 2. a V-shaped block seat body; 3. a fastening screw; 4. journal of the part to be measured; 5. a bracket; 7. and (5) positioning pins.

Detailed Description

The present utility model will be described in detail with reference to the accompanying drawings and specific examples, but the scope of the present utility model is not limited to the examples.

The utility model provides a device for rapidly measuring the center distance of end face positioning pins of shaft parts, which is structurally shown in figures 1 and 2 and at least comprises a dial indicator 1, a V-shaped block seat body 2, a bracket 5, a standard calibration rod and a locking element fixed on the bracket; the bracket comprises a fastening screw, the dial indicator is fixed on the bracket through the fastening screw, the bracket is vertically fixed on the V-shaped block through the fastening screw, and the dial indicator measuring needle is vertically contacted with the positioning pin on the end face of the shaft part.

The V-shaped block seat body 2 is used for rotating on a shaft neck 4 of the shaft part to be tested.

The support 5 is parallel to the axial central axis of the shaft part to be tested.

The center distance of the locating pin is obtained through the measured value when the measuring needle of the dial indicator 1 passes through the highest point of the locating pin 7.

Examples: referring to fig. 1 and 2, a dial indicator 1, a bracket 5 and a V-shaped block seat body 2 are connected by a fastening screw 3, the position of the dial indicator 1 is fixed and the zero position of the dial indicator 1 is adjusted by a calibration rod, the V-shaped block 2 is rotated to rotate on a shaft neck 4 of a part to be measured, when a dial indicator needle passes through the highest point of a locating pin 7, the reading of the dial indicator 1 is read, the center distance of the locating pin 7 of the end face of the part to be measured is determined by the reading, then the V-shaped block seat body 2 is moved along the axial direction of the part, the center distance from the innermost end of the locating pin 7 to each position of the outermost end is rapidly detected by the reading of the dial indicator 1, and whether the locating pin 7 is perpendicular to the end face is judged according to the center distances of the outermost end and innermost end of the measuring locating pin 7.

Claims

1. The utility model provides a device of quick measuring axle class part terminal surface locating pin centre-to-centre spacing, includes percentage table, V type piece pedestal at least, support, standard school stick and be fixed in the locking element on the support, its characterized in that: the bracket comprises a fastening screw, the dial indicator is fixed on the bracket through the fastening screw, the bracket is vertically fixed on the central axis of the V-shaped block seat body through the fastening screw, and the dial indicator measuring needle is vertically contacted with the end face locating pin of the shaft part.

2. The device for rapidly measuring the center distance of the end face positioning pin of the shaft part according to claim 1, wherein the device comprises: the V-shaped block seat body is tightly attached to the shaft neck of the shaft part to be tested and is used for rotating on the shaft neck of the shaft part to be tested.

3. The device for rapidly measuring the center distance of the end face positioning pin of the shaft part according to claim 1, wherein the device comprises: the support is parallel to the axial central axis of the shaft part to be tested.

4. The device for rapidly measuring the center distance of the end face positioning pin of the shaft part according to claim 1, wherein the device comprises: the center distance of the locating pin is obtained through the measured value when the dial indicator measuring needle passes through the highest point of the locating pin.