CN214333567U - Combined standard block for calibrating center distance caliper - Google Patents
Combined standard block for calibrating center distance caliper Download PDFInfo
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- CN214333567U CN214333567U CN202120718675.5U CN202120718675U CN214333567U CN 214333567 U CN214333567 U CN 214333567U CN 202120718675 U CN202120718675 U CN 202120718675U CN 214333567 U CN214333567 U CN 214333567U
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Abstract
The utility model relates to a centre-to-centre spacing slide caliper rule is combination standard piece for calibration, including centre-to-centre spacing standard sample piece and centre-to-centre spacing standard step sample piece, both intervals of centre-to-centre spacing standard sample piece and centre-to-centre spacing standard step sample piece set up. The center distance standard sample block is a cuboid fast-shaped reference block, multiple rows of through holes are uniformly formed in the reference block along the length direction of the reference block, each row of through holes is formed by a plurality of round holes with the diameters arranged from small to large, and the round holes are sequentially arranged at intervals along the width direction of the reference block. The utility model discloses a satisfy different models on one set of combination standard block, different measuring ranges, the source tracing of the centre-to-centre spacing slide caliper rule of not unidimensional gauge head, it is with low costs, efficient, convenient to use.
Description
Technical Field
The utility model belongs to the technical field of the measurement, in particular to center distance slide caliper rule is combination standard block for calibration.
Background
The center distance caliper is a measuring instrument for reading the relative moving distance of the center lines of two conical (or cylindrical) measuring heads by using a vernier, an indicating meter and a digital display mode. Because its gauge head is different with traditional general slide caliper rule, use traditional gauge block to come to have certain drawback to its calibration, can't effectual solution centre-to-centre spacing slide caliper rule's problem of tracing to the source.
Disclosure of Invention
An object of the utility model is to overcome above-mentioned weak point to provide one set and use portably, the calibration is accurate, and the problem of tracing to the source of centre-to-centre spacing slide caliper rule has been solved to the standard block that work efficiency is high. According to the technical proposal of the utility model,
a combined standard block for calibrating a center distance caliper is characterized in that: the device comprises center distance standard sample blocks and center distance standard step sample blocks, wherein the center distance standard sample blocks and the center distance standard step sample blocks are arranged at intervals.
The center distance standard sample block is a cuboid fast-shaped reference block, multiple rows of through holes are uniformly formed in the reference block along the length direction of the reference block, each row of through holes is formed by a plurality of round holes with the diameters arranged from small to large, and the round holes are sequentially arranged at intervals along the width direction of the reference block.
When the center distance caliper is calibrated by the combined standard block for the center distance caliper calibration, if a measuring head of the center distance caliper is fixed, the center distance standard sample block is directly used for calibration; if the measuring head of the center distance caliper is telescopic, after the center distance standard sample block is used for calibration, the telescopic measuring head is extended to the position with the maximum extension length, and then the center distance standard step sample block is used for calibrating a value.
The center-to-center distance standard step sample block comprises a step body with a plurality of step surfaces, wherein the step body is formed by sequentially connecting a plurality of height-increasing blocks, the step body is provided with a through vertical hole along the height direction of each block, the vertical hole is formed by a plurality of calibration holes, and the calibration holes are arranged along the width direction of each block.
Furthermore, the initial step height of the sample block with the center distance from the standard step is (10 +/-1) mm, and the subsequent step heights are sequentially increased by 10 mm.
Furthermore, the center distance standard sample block and the center distance standard step sample block are made of stainless steel.
The utility model discloses beneficial effect:
the utility model discloses a satisfy different models on one set of standard block, different measuring ranges, the source tracing of the centre-to-centre spacing slide caliper rule of not unidimensional gauge head, with low costs, efficient, convenient to use has compensatied the blank of internal centre-to-centre spacing slide caliper rule etalon, provides the etalon for the unity that the source tracing of centre-to-centre spacing slide caliper rule, has important popularization and application and worth.
Drawings
Fig. 1 is a top view of the center-to-center distance proof block of the present invention.
Fig. 2 is a front view of the center-to-center distance proof block of the present invention.
Fig. 3 is a top view of the center-to-center standard step sample block of the present invention.
Fig. 4 is a top view of the center-to-center standard step sample block of the present invention.
Fig. 5 and 6 are schematic diagrams of the measurement of the center distance of the cylindrical measuring head by the caliper.
Fig. 7 is the utility model discloses a circular cone gauge head centre-to-centre distance slide caliper rule measurement schematic.
Detailed Description
The invention will be further described with reference to the following specific embodiments and the accompanying drawings.
As shown in fig. 1-4: a combined standard block for calibrating a center distance caliper comprises a center distance standard sample block 10 and a center distance standard step sample block 20, wherein the center distance standard sample block 10 and the center distance standard step sample block 20 are arranged at intervals.
The center distance standard sample block is a reference block 11 with a cuboid and a fast shape, a plurality of rows of through holes are uniformly formed in the reference block 11 along the length direction of the reference block, each row of through holes is formed by a plurality of round holes 12 with diameters arranged from small to large, and the round holes are sequentially arranged at intervals along the width direction of the reference block.
The center-to-center standard step sample block 20 comprises a step body 22 with a plurality of step surfaces 24, wherein the step body 22 is formed by sequentially connecting a plurality of block bodies 21 with gradually increasing heights, the step body 22 is provided with a through vertical hole 23 along the height direction of each block body, the vertical hole 23 is formed by a plurality of calibration holes, and the calibration holes are arranged along the width direction of each block body. Wherein M each block aligns the centerline of the hole;
(for the size of the measuring head with the telescopic center distance caliper is different, vertical holes with different diameters are designed)
For the standard sample block 10 with the length of 300mm and the center distance, the height is not less than 25 mm; the center distance standard block 10 with the increased length can be increased in height appropriately, so that the standard block is not easy to deform.
The initial step height of the center-to-center standard step sample block 20 is (10 +/-1) mm, and the subsequent step heights are sequentially increased by 10 mm.
The center-to-center standard sample blocks 10 and the center-to-center standard step sample blocks 20 are made of stainless steel.
Use the utility model discloses the time, with two measuring heads measuring surface (line) of centre-to-centre distance slide caliper rule with two hole walls contact mutually on the centre-to-centre distance standard sample piece (hereinafter be referred to as "standard sample piece"), according to the difference of gauge head form, carry out the reading according to following method evenly distributed 3 ~ 6 points on the full range.
Reading the indication value of the cylindrical probe (I) (figures 5 and 6). The outermost sides of the measuring surfaces of the two cylindrical measuring heads of the center distance caliper are respectively contacted with the farthest sides of the two holes on the standard sample block, and the reading at the moment is recorded as l1Then, the innermost sides of the measuring surfaces of the two cylindrical measuring heads are contacted with the nearest sides of the two holes on the standard sample block, and the reading at the moment is recorded as l2And processing data according to different initial values set by the center distance caliper.
When the initial value of the indicating device is (or can be set as) the initial value calibrated by the measuring range of the center distance caliper, the hole distance measured by the center distance caliper is as follows:
in the formula: ls-centre distance cardMeasuring the pitch of holes;
l1-a first reading of the centre distance calliper;
l2-a second reading of the centre distance calliper.
When the indicating device is (or can be set to) zero, the hole distance measured by the center distance caliper is as follows:
in the formula: ls-pitch of holes measured by a centre-to-centre caliper;
l1-a first reading of the centre distance calliper;
l2-a second reading of the centre distance calliper;
m is the actual value of the base value of the center distance caliper.
b) Reading the indication value of the cone probe (fig. 7). The two conical measuring heads of the center distance caliper are in uniform contact with the edges of the two holes in the standard sample block, the lower side of the caliper body is in a parallel state with the upper plane of the standard sample block (for the telescopic conical measuring head, the telescopic conical measuring head is adjusted to be equal to the extension length of the fixed conical measuring head), and the reading at the moment is recorded as l. And processing data according to different initial values set by the center distance caliper.
When the initial value of the indicating device is (or can be set as) the initial value calibrated by the measuring range of the center distance caliper, the hole distance measured by the center distance caliper is as follows:
ls＝l-----------------------------(3)
ls-pitch of holes measured by a centre-to-centre caliper;
l-center distance caliper reading;
when the indicating device is (or can be set to) zero, the pitch is:
ls＝l+m-----------------------------(4)
in the formula: ls-pitch of holes measured by a centre-to-centre caliper;
l-center distance caliper reading;
m is the actual value of the base value of the center distance caliper;
for the caliper of the center distance of the telescopic measuring head, in addition to the calibration, the telescopic measuring head is extended to the position of the maximum extension length, and any detected point of the caliper is calibrated by using the standard step sample block of the center distance according to the method.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (3)
1. A combined standard block for calibrating a center distance caliper is characterized in that:
comprises a center distance standard sample block (10) and a center distance standard step sample block (20); the center distance standard sample block (10) and the center distance standard step sample block (20) are arranged at intervals;
the center distance standard sample block is a cuboid fast-shaped reference block (11), a plurality of rows of through holes are uniformly formed in the reference block (11) along the length direction of the reference block, each row of through holes is formed by a plurality of round holes (12) with the diameters ranging from small to large, and the round holes are sequentially arranged at intervals along the width direction of the reference block;
the center-to-center standard step sample block (20) comprises a step body (22) which is formed by sequentially connecting a plurality of height-increasing block bodies (21) and provided with a plurality of step surfaces (24), wherein the step body (22) is provided with a through vertical hole (23) along the height direction of each block body, the vertical hole (23) is formed by a plurality of calibration holes, and the calibration holes are arranged along the width direction of each block body.
2. The combination standard block for calibrating a caliper of a center distance according to claim 1, wherein:
the initial step height of the center-to-center standard step sample block (20) is (10 +/-1) mm, and the subsequent step heights are sequentially increased by 10 mm.
3. The combination standard block for calibrating a caliper of a center distance according to claim 1, wherein:
the center distance standard sample block (10) and the center distance standard step sample block (20) are made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120718675.5U CN214333567U (en) | 2021-04-09 | 2021-04-09 | Combined standard block for calibrating center distance caliper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120718675.5U CN214333567U (en) | 2021-04-09 | 2021-04-09 | Combined standard block for calibrating center distance caliper |
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| Publication Number | Publication Date |
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| CN214333567U true CN214333567U (en) | 2021-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120718675.5U Active CN214333567U (en) | 2021-04-09 | 2021-04-09 | Combined standard block for calibrating center distance caliper |
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2021
- 2021-04-09 CN CN202120718675.5U patent/CN214333567U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221118 Address after: 214101 No. 8, Dongting Chunxin East Road, Xishan District, Wuxi City, Jiangsu Province Patentee after: Wuxi inspection and Certification Institute Address before: 214101 spring new East Road, Xishan District, Wuxi, Jiangsu Province, No. 8 Patentee before: WUXI METROLOGY TESTING INSTITUTE |
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| TR01 | Transfer of patent right |