CN213067382U - Double-end two-point type fault difference measuring device - Google Patents
Double-end two-point type fault difference measuring device Download PDFInfo
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- CN213067382U CN213067382U CN202022507625.0U CN202022507625U CN213067382U CN 213067382 U CN213067382 U CN 213067382U CN 202022507625 U CN202022507625 U CN 202022507625U CN 213067382 U CN213067382 U CN 213067382U
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Abstract
The utility model discloses a double-head two-point type differential measurement device, wherein a comparison calibration block can be pushed and moved in parallel on a platform, and a stand column is vertically fixed on a ground platform; the main body is right-angled, and one side of the main body is provided with a mounting seat; one end of the main body is tightly matched with the connecting rod through a positioning pin, and the other end of the connecting rod is sleeved on the upright post and locked through a locking screw; one end of the height adjusting screw is fixed on the main body, and the other end of the height adjusting screw is used for supporting the height of the main body in a non-measuring static state, so that the main body is approximately parallel to the ground platform; the upper end of the mounting seat is used for connecting a dial height gauge, and an altimeter display screen and an altimeter measuring head are arranged on the dial height gauge; the main body is provided with an alloy measuring head which is approximately parallel to the ground platform, and the height gauge measuring head is perpendicular to the alloy measuring head; the height of the comparison calibration block is approximately equal to that of the measured workpiece. The utility model discloses precision is high, and batch measurement is fast.
Description
Technical Field
The utility model relates to a mechanical detection technical field specifically is a double-end two-point type disconnected poor measuring device.
Background
At present, height measuring instruments in the mechanical field are known to be height meters, but the height of the height meters is respectively moved to two-point measurement, the speed is slow in batch measurement, and the multi-point rapid measurement cannot be carried out particularly when the height of a step surface and a H-shaped surface is measured.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a double-end two-point type poor measuring device of breaking to solve the problem that proposes among the above-mentioned background art.
The utility model provides a double-end two-point type difference in discontinuity measuring device which characterized in that: the height gauge comprises a bottom platform, a stand column, a connecting rod, a locking screw, a positioning pin, a main body, a height adjusting screw, a micrometer height gauge, a height gauge measuring head, a height gauge display screen, an alloy measuring head and a comparison calibration block;
the upright post and the comparison calibration block are symmetrically and vertically fixed on the ground platform;
the main body is right-angled, and one side of the main body is provided with a mounting seat; one end of the main body is tightly matched with the connecting rod through a positioning pin, and the other end of the connecting rod is sleeved on the upright post and locked through a locking screw;
one end of the height adjusting screw is fixed on the ground platform, and the other end of the height adjusting screw is used for supporting the height of the main body in a non-measuring static state and is on the same horizontal line with the connecting rod, so that the main body is parallel to the ground platform;
the upper end of the mounting seat is used for connecting a dial height gauge, and an altimeter display screen and an altimeter measuring head are arranged on the dial height gauge;
the main body is provided with an alloy measuring head which is parallel to the ground platform, and the height gauge measuring head is perpendicular to the alloy measuring head;
the comparison proof mass should be approximately equal in height to the workpiece to be measured.
The double-end two-point type differential fault measuring device has the preferable scheme that the positioning pin adopts a high-precision alloy positioning pin, so that the fit clearance between the main body and the connecting rod is within 0.002 mm.
The double-end two-point type differential fault measuring device has the preferable scheme that the upright post is a cylinder.
The double-end two-point type differential measurement device has the preferable scheme that the measurement device is suitable for measuring the heights of a step surface and a shaped surface.
The double-head two-point type fault difference measuring device is preferably characterized in that the longer the length of the main body, the smaller the angular deviation existing in the measurement process is, the smaller the measurement height error is.
The error of the measuring distance within 0.03mm of the calibration block is less than 0.001mm, otherwise, the error is increased.
The measurement process of the double-head two-point type fault difference measurement device is as follows: when the length of the main body is 150mm, the comparison calibration block is pushed to the alloy measuring head in a translation mode, when the comparison calibration block is pushed to the position below the alloy measuring head and a workpiece with the height being 0.02mm higher than the whole comparison calibration block is measured, meanwhile, the connecting rod and the main body are slightly inclined at an angle of 0.0076 degrees, and the inclination and the perpendicularity of the height gauge are not more than 0.0001 mm; the main body is lifted, the height adjusting screw is lifted, the main body is lifted with the micrometer altimeter, the altimeter measuring head is contacted with the uppermost surface of the workpiece, and the altimeter display screen reads out numerical values; and setting the numerical value of the altimeter according to the actual height of the comparison check block, and presetting the numerical value.
The utility model has the advantages that: compared with the prior art, the utility model discloses a two some simultaneous measurements of adoption, precision is high, and two measuring speed are fast, and the work piece need not clean, also can use under the environment of workshop greasy dirt.
Drawings
Fig. 1 is a structural diagram of a double-ended two-point type differential measurement device.
In the figure, 1-bottom platform, 2-upright post, 3-connecting rod, 4-locking screw, 5-locating pin, 6-main body, 7-height adjusting screw, 8-micrometer height gauge, 8.1-height gauge measuring head, 8.2-height gauge display screen, 9-alloy measuring head, 10-comparison calibration block and 11-mounting seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The double-head two-point type differential measurement device shown in fig. 1 comprises a bottom platform 1, a stand column 2, a connecting rod 3, a locking screw 4, a positioning pin 5, a main body 6, a height adjusting screw 7, a micrometer height gauge 8, a height gauge measuring head 8.1, a height gauge display screen 8.2, an alloy measuring head 9 and a comparison calibration block 10;
the upright post 2 and the comparison symmetry are vertically fixed on the ground platform 1;
the calibration block 10 is placed on the ground platform 1;
the main body 6 is right-angled, and one side of the main body is provided with a mounting seat 11; one end of the main body 6 is tightly matched with the connecting rod 3 through a positioning pin 5, and the other end of the connecting rod 3 is sleeved on the upright post 2 and locked through a locking screw 4;
one end of the height adjusting screw 7 is fixed on the main body 6, and the other end of the height adjusting screw is used for supporting the height of the main body 6 in a non-measuring static state, so that the main body 6 is parallel to the ground platform 1;
the upper end of the mounting seat 11 is used for connecting a dial height gauge 8, and an altimeter display screen 8.2 and an altimeter measuring head 8.1 are arranged on the dial height gauge 8;
the main body 6 is provided with an alloy measuring head 8.1 which is parallel to the ground platform 1, and the height gauge measuring head 8.1 is vertical to the alloy measuring head 9;
the comparison calibration block 10 should be equal to the height of the workpiece to be measured.
The positioning pin 5 adopts a high-precision alloy positioning pin, so that the fit clearance between the main body 6 and the connecting rod 3 is within 0.002 mm.
The upright post 2 is a cylinder.
The measuring device is suitable for measuring the heights of the step surface and the shaped surface.
The longer the length of the body 6, the smaller the angular deviation that exists when the measurement takes place.
The measurement process of the double-head two-point type fault difference measurement device is as follows: when the length of the main body 6 is 150mm, the comparison calibration block 10 is pushed to the alloy measuring head 9 in a translation mode, when the main body is pushed to the position below the alloy measuring head 9 and a workpiece with the height of 0.02mm of the comparison calibration block 10 is measured, meanwhile, the connecting rod 3 and the main body 6 are slightly inclined at an angle of 0.0076 degrees, and the inclination and the perpendicularity of a height gauge are not more than 0.0001 mm; the main body is lifted, the height adjusting screw 7 is lifted, the main body 6 with the micrometer altimeter 8 is lifted, the altimeter measuring head 8.1 contacts the uppermost surface of the workpiece, and the altimeter display screen 8.2 reads out a numerical value; and setting the numerical value of the altimeter according to the actual height of the comparison calibration block 10, and presetting the numerical value.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Not all embodiments are exhaustive. All obvious changes or variations led out by the technical scheme of the utility model are still in the protection scope of the utility model.
Claims (6)
1. The utility model provides a double-end two-point type difference in discontinuity measuring device which characterized in that: the height gauge comprises a bottom platform, a stand column, a connecting rod, a locking screw, a positioning pin, a main body, a height adjusting screw, a micrometer height gauge, a height gauge measuring head, a height gauge display screen, an alloy measuring head and a comparison calibration block;
the upright post and the scale are vertically fixed on the ground platform;
the comparing block and the scale are vertically placed on the ground platform;
the main body is right-angled, and one side of the main body is provided with a mounting seat; one end of the main body is tightly matched with the connecting rod through a positioning pin, and the other end of the connecting rod is sleeved on the upright post and locked through a locking screw;
one end of the height adjusting screw is fixed on the main body, and the other end of the height adjusting screw is used for supporting the height of the main body in a non-measuring static state and is on the same horizontal line with the connecting rod, so that the main body is parallel to the ground platform;
the upper end of the mounting seat is used for connecting a dial height gauge, and an altimeter display screen and an altimeter measuring head are arranged on the dial height gauge;
the main body is provided with an alloy measuring head which is parallel to the ground platform, and the height gauge measuring head is perpendicular to the alloy measuring head;
the comparison calibration block is equal to the approximate height of the measured workpiece.
2. A double-ended two-point differential fault measurement device according to claim 1, wherein: the locating pin adopts the alloy locating pin of high accuracy, makes the fit clearance of main part and connecting rod within 0.002 mm.
3. A double-ended two-point differential fault measurement device according to claim 1, wherein: the upright post is a cylinder.
4. A double-ended two-point differential fault measurement device according to claim 1, wherein: the measuring device is suitable for measuring the heights of the step surface and the shaped surface.
5. A double-ended two-point differential fault measurement device according to claim 1, wherein: the longer the body length, the smaller the angular deviation present when the measurement takes place, which equates to a smaller measurement height error.
6. A double-ended two-point differential fault measurement device according to claim 1, wherein: the flatness of the ground platform is within 0.003.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022507625.0U CN213067382U (en) | 2020-11-03 | 2020-11-03 | Double-end two-point type fault difference measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022507625.0U CN213067382U (en) | 2020-11-03 | 2020-11-03 | Double-end two-point type fault difference measuring device |
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| Publication Number | Publication Date |
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| CN213067382U true CN213067382U (en) | 2021-04-27 |
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| CN202022507625.0U Active CN213067382U (en) | 2020-11-03 | 2020-11-03 | Double-end two-point type fault difference measuring device |
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- 2020-11-03 CN CN202022507625.0U patent/CN213067382U/en active Active
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