CN219511445U - Rod pin flattening symmetry degree metering type detection device - Google Patents
Rod pin flattening symmetry degree metering type detection device Download PDFInfo
- Publication number
- CN219511445U CN219511445U CN202320269494.8U CN202320269494U CN219511445U CN 219511445 U CN219511445 U CN 219511445U CN 202320269494 U CN202320269494 U CN 202320269494U CN 219511445 U CN219511445 U CN 219511445U
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- rod pin
- bottom plate
- dial indicator
- plate
- detection device
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model provides a rod pin flattening symmetry degree metering type detection device which comprises a bottom plate, a dial indicator fixing bracket arranged on one side of the bottom plate, two dial indicators arranged on the dial indicator fixing bracket in parallel and a positioning plate arranged on the bottom plate and used for positioning a rod pin. The detection tool for detecting the flattening symmetry degree of the rod pin is convenient and quick in detection operation, accurate in judgment and low in misjudgment rate, can realize online detection, reduce detection cost, accurately judge the position with the largest error by double-sided positioning, judge the specific value of product offset and realize metering type measurement.
Description
Technical Field
The utility model relates to the technical field of detection devices, in particular to a rod pin flattening symmetry degree metering type detection device.
Background
The center lines of the two flattening plates are coincident with the center line of the shaft body of the product, which is the most ideal state. However, some deviation can occur in the flattening process of the product, and the drawing requires that the symmetry degree is not more than 0.1, namely, the two hole axes and the central axis of the intermediate shaft body cannot have unidirectional deviation exceeding 0.05 with the central axis of the intermediate shaft body. The asymmetry measurement is carried out without effective means on site, and only three-coordinate detection of a precise measuring room can be submitted, so that the detection cost is high and the detection time is long.
Disclosure of Invention
The utility model aims to solve the technical problem of providing the rod pin flattening symmetry degree metering type detection device which is convenient to check, can perform on-site on-line detection, is accurate in judgment, prevents defective products from continuously occurring and stops damage in time.
Based on the problems, the technical scheme provided by the utility model is that the measuring type detecting device for the flattening symmetry degree of the rod pin comprises a bottom plate, a dial indicator fixing bracket arranged on one side of the bottom plate, two dial indicators arranged on the dial indicator fixing bracket in parallel and a positioning plate arranged on the bottom plate and used for positioning the rod pin, wherein a flattening plane is arranged opposite to the dial indicator fixing bracket, the center line of the flattening plane is set as a measuring datum line, and a dial indicator detecting head is opposite to the two sides of a middle shaft body of the rod pin.
The positioning plate comprises a lower positioning plate fixedly connected with the bottom plate and a side positioning plate which is positioned on the outer side surface of the lower positioning plate and is perpendicular to the lower positioning plate, and a groove capable of partially positioning the middle shaft body of the rod pin is formed in the inner side of the side positioning plate.
Further, the shape of the groove is matched with the contour of the middle shaft body of the rod pin.
Wherein the inclination angle of the bottom plate and the horizontal plane is 45 degrees.
Further, a supporting plate is vertically arranged at the bottom of the bottom plate, and the supporting plate and the dial indicator fixing support are located on the same plane.
The utility model has the advantages and beneficial effects that:
the detection tool for detecting the flattening symmetry degree of the rod pin is convenient and quick in detection operation, accurate in judgment and low in misjudgment rate, can realize online detection, reduces detection cost and improves detection efficiency, wherein the center line of a flattening plane is taken as a measurement reference, 2 accurate symmetrical standard devices-dial indicators are adopted to measure the positions of two sides of an intermediate shaft body, the size of one side is controlled within < +/-0.05 to judge whether the position is qualified or not, the position exceeding 0.05 is unqualified for judgment, and the position with the largest error can be accurately judged by double-sided positioning; meanwhile, the specific value of the product offset can be judged, and the metering type measurement is realized; the portable checking fixture can be applied to on-site on-line detection by simple structural design and simple manufacturing process, and can prevent defective products from continuously occurring and stop damage in time.
Drawings
Fig. 1 is a top view of the present utility model.
Fig. 2 is a side view of the present utility model.
FIG. 3 is a schematic view of the present utility model in use.
In the figure: 1. a bottom plate; 2. a dial indicator fixing bracket; 3. a dial indicator; 4. a positioning plate; 41. a lower positioning plate; 42. a side positioning plate; 43. a groove; 5. and a support plate.
Detailed Description
The following detailed description of specific embodiments of the utility model refers to the accompanying drawings.
As shown in fig. 1-3, a measuring type detecting device for the flattening symmetry degree of a rod pin comprises a bottom plate 1, a dial indicator fixing bracket 2 arranged on one side of the bottom plate 1, two dial indicators 3 arranged on the dial indicator fixing bracket 2 in parallel and a positioning plate 4 arranged on the bottom plate 1 and used for positioning the rod pin, wherein a flattening plane is arranged opposite to the dial indicator fixing bracket 2, the central line of the flattening plane is set as a measuring datum line, and the detecting head of the dial indicator 3 is opposite to the two sides of a middle shaft body of the rod pin.
The positioning plate 4 comprises a lower positioning plate 41 fixedly connected with the bottom plate 1 and a side positioning plate 42 which is positioned on the outer side surface of the lower positioning plate 41 and is perpendicular to the lower positioning plate 41, and the length of the side positioning plate 42 is smaller than that of the lower positioning plate 41 and is larger than that of the middle shaft body of the rod pin. The side positioning plate 42 is provided inside with a groove 43 for partially positioning the intermediate shaft of the bar pin.
Further, the shape of the groove 43 is adapted to the contour of the intermediate shaft of the rod pin.
The dial indicator fixing bracket 2 is fixedly connected with the bottom plate 1 through left and right fastening screws, the upper end part of the dial indicator fixing bracket 2 is transversely provided with a mounting groove, and the dial indicator 3 is mounted in the mounting groove of the dial indicator fixing bracket 2 and is fixed by an inner hexagon screw at the top; the locating plate 4 is fixedly connected with the bottom plate 1 through four fastening screws, and the four fastening screws are respectively arranged opposite to four corners of the middle shaft body of the rod pin. The bottom of the bottom plate 1 is provided with a sinking groove at the position where the fastening screw is arranged, and the fastening screw is arranged in the sinking groove to ensure the level of the bottom plate 1.
The inclination of bottom plate 1 and horizontal plane is 45, specifically bottom plate 1 bottom sets up backup pad 5 perpendicularly, backup pad 5 with percentage table fixed bolster 2 is located the coplanar, conveniently takes the product, and it is more convenient to read the apparent direction of appearance, directly perceived.
During measurement, 1) placing the flattened end of the product on a reference plane;
2) The measuring head of the dial indicator 3 is pressed on the measuring positions on the two sides of the intermediate shaft body;
3) And reading the dial indicator 3, and judging whether the specification requirement is met.
The foregoing describes several embodiments of the present utility model in detail, but the description is merely a preferred embodiment of the utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.
Claims (5)
1. The utility model provides a pole round pin flattens symmetry measurement formula detection device which characterized in that: the device consists of a bottom plate, a dial indicator fixing bracket arranged on one side of the bottom plate, two dial indicators arranged on the dial indicator fixing bracket in parallel and a positioning plate arranged on the bottom plate and used for positioning a rod pin, wherein a flattening plane is arranged opposite to the dial indicator fixing bracket, the center line of the flattening plane is set as a measuring reference line, and a dial indicator detection head is opposite to the two sides of a rod pin intermediate shaft body.
2. The rod pin crush symmetry gauge detection device of claim 1, wherein: the locating plate is by the locating plate down of being rigid coupling with the bottom plate and be located locating plate lateral surface and perpendicular to locating plate down the side locating plate down, and the side locating plate inboard sets up the recess that can carry out partial location to the pole round pin jackshaft body.
3. The rod pin crush symmetry gauge detection apparatus of claim 2, wherein: the shape of the groove is matched with the contour of the middle shaft body of the rod pin.
4. The rod pin crush symmetry gauge detection device of claim 1, wherein: the inclination angle of the bottom plate and the horizontal plane is 45 degrees.
5. The rod pin crush symmetry gauge detection device of claim 4, wherein: the bottom of the bottom plate is vertically provided with a supporting plate, and the supporting plate and the dial indicator fixing support are positioned on the same plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320269494.8U CN219511445U (en) | 2023-02-21 | 2023-02-21 | Rod pin flattening symmetry degree metering type detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320269494.8U CN219511445U (en) | 2023-02-21 | 2023-02-21 | Rod pin flattening symmetry degree metering type detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219511445U true CN219511445U (en) | 2023-08-11 |
Family
ID=87524410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320269494.8U Active CN219511445U (en) | 2023-02-21 | 2023-02-21 | Rod pin flattening symmetry degree metering type detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219511445U (en) |
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2023
- 2023-02-21 CN CN202320269494.8U patent/CN219511445U/en active Active
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