CN103307944A - Zero-position calibrator for calibrating zero errors of depth measuring steel tapes - Google Patents
Zero-position calibrator for calibrating zero errors of depth measuring steel tapes Download PDFInfo
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- CN103307944A CN103307944A CN2013102852054A CN201310285205A CN103307944A CN 103307944 A CN103307944 A CN 103307944A CN 2013102852054 A CN2013102852054 A CN 2013102852054A CN 201310285205 A CN201310285205 A CN 201310285205A CN 103307944 A CN103307944 A CN 103307944A
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- depth measurement
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Abstract
The invention discloses a zero-position calibrator for calibrating zero errors of depth measuring steel tapes, and belongs to the technical field of calibration for depth measuring steel tapes which are geometric quantity and length measuring devices. The zero-position calibrator mainly comprises a zero-position calibrator support, a limiting zero adjusting screw, V-shaped limiting plates, a graduated steel plate and a movable guide wheel. The zero-position calibrator support is stepped, a limiting zero adjusting screw hole which is matched with the limiting zero adjusting screw is formed at a starting end of the zero-position calibrator support, each limiting plate is fixed to a low end of the support by two screws which are in bilateral symmetry with each other, the graduated steel plate is precisely fixed to a high end of the zero-position calibrator support by screws, and the movable guide wheel is suspended at the tail end of the zero-position calibrator support by a guide wheel bolt. During usage, only an end of a tape weight of a depth measuring steel tape needs to be abutted to the limiting zero adjusting screw, and a zero error of the depth measuring steel tape can be directly read according to graduation lines on the graduated steel plate after zero adjustment is performed on the depth measuring steel tape by the aid of the limiting zero adjusting screw. The zero-position calibrator has the advantages of simple structure, stability, reliability, convenience in operation, low cost and the like.
Description
Technical field
The invention belongs to geometric sense length measuring device field, particularly steel tape calibrating technical field is specifically related to the zero-bit comparator for calibrating depth measurement steel tape zero error.
Background technology
Depth measurement steel tape (weighing dipstick or suspention hammer steel tape again) is for measuring liquid---the measurer of oil, edible oil and pond even depth.It is constituted by chi band and chi stone roller, and its zero groove is exactly the top of chi stone roller, and this causes its error calibrating Duo than steel tape that an important step---null value is examined and determine, and its zero error is to cut or polish jade with an emery wheel the end to the error of 500mm strain line from chi.If carry out the null value calibrating with common steel tape calibrating platform, because its chi stone roller top is zero groove, differ huge with standard steel tape measure profile, therefore very numerous and diverse in the work when zero, bring inconvenience to verification process.Therefore invent a kind ofly be convenient to operate, production cost is low, the device that is used for the calibrating of depth measurement steel tape zero error is very necessary.
Summary of the invention
The present invention seeks to according to present steel tape measurement verification regulations, solve and fix problems such as loaded down with trivial details, that zeroing is constant when present depth measurement steel tape is examined and determine, propose a kind of zero-bit comparator for the calibrating of depth measurement steel tape zero error.This comparator can be realized the zeroing work of steel tape easily by the spacing zeroing screw that cooperates on the support, realize the spacing of depth measurement steel tape chi stone roller by the V-type limiting plate, be carved with the groove steel plate of scale as standard by the precision that is fixed on the support, can directly read the zero error of depth measurement steel tape, thereby remedy the deficiency that exists in the present depth measurement steel tape calibrating.
Zero-bit comparator for the calibrating of depth measurement steel tape zero error provided by the invention comprises: the support that is used for supporting whole zero-bit comparator; Be used for regulating the spacing zeroing screw of depth measurement steel tape zero-bit; Be used for placing the limiting plate of depth measurement steel tape chi stone roller; Be used for reading the groove steel plate of depth measurement steel tape zero error; And for the protection of the movable guide wheel of depth measurement coil of strip related scale.
The support of the whole zero-bit comparator of described support is stepped appearance, and the initiating terminal edge is provided with a wall, has the spacing zeroing screw with spacing zeroing screw fit on the wall, and the screw central shaft is apart from rack upper surface 20mm, and tangent with the last circular arc of movable guide wheel.
Described spacing zeroing screw cooperates with spacing zeroing screw on the support, and the top of spacing zeroing screw is inlaid with steel ball, is convenient to form a some face with depth measurement steel tape chi stone roller end face and contacts.
Described limiting plate is two V-type limiting plates, the V-type angle is 120 °, limiting plate is fixed in low side on the support by symmetrical two screws, and the side-play amount of limiting plate center line and spacing zeroing screw axis is not more than 0.5mm, and is not more than 0.5mm with the carriage center line deviation.
Described groove steel plate is fixed in high-end on the zero-bit comparator support by the screw precision, and circular arc is tangent on its upper surface and the movable guide wheel, accurately is carved with the groove for reading on the groove steel plate, and the accumulation limits of error of groove are less than 0.17mm.Described groove steel plate is directly read zero error according to groove and is got final product as standard verification, and whole verification process can break away from steel tape calibrating platform and standard steel tape measure.
Described movable guide wheel hangs on zero-bit comparator support end by the guide wheel bolt, and guide wheel can rotate around the guide wheel bolt, and the screw central shaft of circular arc and support initiating terminal is tangent on the guide wheel.
Advantage of the present invention and beneficial effect:
Described zero-bit comparator can use separately, makes the verification process of depth measurement steel tape zero error break away from steel tape calibrating platform and standard steel tape measure, during calibrating with the groove steel plate as standard, directly read zero error by the groove on the groove steel plate and get final product.Whole verification process simple and fast, zero-bit comparator Stability Analysis of Structures is reliable, and is easy to make, with low cost,
[description of drawings]
Fig. 1 is the zero-bit comparator structural principle synoptic diagram among the present invention;
Fig. 2 is the partial sectional view of overlooking of Fig. 1;
Fig. 3 is the A-A place structure cut-open view among Fig. 1;
Fig. 4 is the spacing zeroing bolt structure synoptic diagram among Fig. 1.
Wherein: 1, spacing zeroing screw; 2, spacing knurled nut; 3, V-type limiting plate; 4, leg gib screw; 5, zero-bit comparator leg; 6, zero-bit comparator support; 7, groove steel plate gib screw; 8, groove steel plate; 9, guide wheel bolt; 10, movable guide wheel; 11, the low side of support; 301, limiting plate gib screw; 101, spacing zeroing screw steel ball.
[embodiment]
Describe in further detail below in conjunction with the most preferred embodiment shown in the accompanying drawing.
Shown in Fig. 1 to 4, the zero-bit comparator for the calibrating of depth measurement steel tape zero error of the present invention comprises for the support 6 that supports whole zero-bit comparator; Be used for regulating the spacing zeroing screw 1 of depth measurement steel tape zero-bit; Be used for placing the limiting plate 3 of depth measurement steel tape chi stone roller; Be used for reading the groove steel plate 8 of depth measurement steel tape zero error; And for the protection of the movable guide wheel 10 of depth measurement coil of strip related scale.
The support 6 of the whole zero-bit comparator of described support is stepped appearance, total length 600mm, support initiating terminal edge is provided with a wall, has the spacing zeroing screw that cooperates with spacing zeroing screw 1 on the wall, the screw central shaft is apart from rack upper surface 20mm, and tangent with the last circular arc of movable guide wheel 10.Spacing zeroing screw 1 cooperates with spacing zeroing screw on the support, by spacing knurled nut 2 it is locked; The top of spacing zeroing screw is inlaid with steel ball 101, is convenient to form the some face with depth measurement steel tape chi stone roller end face and contacts.
Limiting plate 3 is V-type, and the V-type angle is 120 °, and limiting plate is fixed in low side on the support by symmetrical two screws 301, and the side-play amount of limiting plate center line and spacing zeroing screw axis is not more than 0.5mm.Groove steel plate 8 is fixed on the zero-bit comparator support 6 by groove steel plate gib screw 7, accurately is carved with 300mm, 400mm, three grooves of 500mm on the groove steel plate, and the limits of error of groove are used for directly reading the zero error of tested chi less than 0.17mm.Movable guide wheel 10 hangs on zero-bit comparator support 6 ends by guide wheel bolt 9, and guide wheel can rotate around the guide wheel bolt, and the screw central shaft of circular arc and support initiating terminal is tangent on the guide wheel.
During enforcement, depth measurement steel tape chi stone roller end is withstood the steel ball of spacing zeroing screw, by V-type limiting plate restriction chi stone roller double swerve, return to zero with spacing zeroing screw subsequently, the steel tape to be measured that stretches then, with the groove steel plate as standard verification, directly reading zero error at 500mm groove place according to groove gets final product, whole verification process can break away from steel tape calibrating platform and standard steel tape measure, and practicality simple to operate is with low cost.
Claims (4)
1. a zero-bit comparator that is used for the calibrating of depth measurement steel tape zero error is characterized in that, comprising:
Be used for supporting the support of whole zero-bit comparator;
Be used for regulating the spacing zeroing screw of depth measurement steel tape zero-bit;
Be used for placing the limiting plate of depth measurement steel tape chi stone roller;
Be used for reading the groove steel plate of depth measurement steel tape zero error;
And for the protection of the movable guide wheel of depth measurement coil of strip related scale;
The support of the whole zero-bit comparator of described support is stepped appearance, and the initiating terminal edge is provided with a wall, has the spacing zeroing screw with spacing zeroing screw fit on the wall; The top of the spacing zeroing screw that matches with spacing zeroing screw is inlaid with steel ball, is convenient to form the some face with depth measurement steel tape chi stone roller end face and contacts;
Described limiting plate is two V-type limiting plates, and limiting plate is fixed in low side on the support by symmetrical two screws, and the side-play amount of limiting plate center line and spacing zeroing screw axis is not more than 0.5mm, and is not more than 0.5mm with the carriage center line deviation;
Described groove steel plate is fixed in high-end on the zero-bit comparator support by the screw precision, and circular arc is tangent on steel plate upper surface and the movable guide wheel;
Described movable guide wheel hangs on zero-bit comparator support end by the guide wheel bolt, and guide wheel can rotate around the guide wheel bolt, and the screw axis of circular arc and support initiating terminal is tangent on the guide wheel.
2. the zero-bit comparator for depth measurement steel tape zero error calibrating according to claim 1 is characterized in that, the axis shaft of described spacing zeroing screw is apart from rack upper surface 20mm, and tangent with the last circular arc of movable guide wheel.
3. the zero-bit comparator for the calibrating of depth measurement steel tape zero error according to claim 1 is characterized in that the V-type angle of described limiting plate is 120 °.
4. the zero-bit comparator for the calibrating of depth measurement steel tape zero error according to claim 1 is characterized in that accurately be carved with the groove for reading on the described groove steel plate, the accumulation limits of error of groove are less than 0.17mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102852054A CN103307944A (en) | 2013-07-09 | 2013-07-09 | Zero-position calibrator for calibrating zero errors of depth measuring steel tapes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102852054A CN103307944A (en) | 2013-07-09 | 2013-07-09 | Zero-position calibrator for calibrating zero errors of depth measuring steel tapes |
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| CN103307944A true CN103307944A (en) | 2013-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013102852054A Pending CN103307944A (en) | 2013-07-09 | 2013-07-09 | Zero-position calibrator for calibrating zero errors of depth measuring steel tapes |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106440988A (en) * | 2016-09-12 | 2017-02-22 | 天津市计量监督检测科学研究院 | Zero position calibrating device for steel tape |
| CN113551651A (en) * | 2016-01-05 | 2021-10-26 | 上海筑邦测控科技有限公司 | Inclination angle sensor based on drop hammer position video identification technology |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202255157U (en) * | 2011-10-25 | 2012-05-30 | 北华航天工业学院 | System for automatically calibrating error of steel tape |
| CN103090768A (en) * | 2013-01-23 | 2013-05-08 | 成都四方瑞邦测控科技有限责任公司 | Railway gauging rule calibrator |
-
2013
- 2013-07-09 CN CN2013102852054A patent/CN103307944A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202255157U (en) * | 2011-10-25 | 2012-05-30 | 北华航天工业学院 | System for automatically calibrating error of steel tape |
| CN103090768A (en) * | 2013-01-23 | 2013-05-08 | 成都四方瑞邦测控科技有限责任公司 | Railway gauging rule calibrator |
Non-Patent Citations (3)
| Title |
|---|
| 中国计量出版社: "《中华人民共和国国家计量技术法规1999年度合订本》", 30 November 2002, article "钢卷尺检定规程JJG4-1999", pages: 24-26 - 2 * |
| 于铖灵等: "新型钢卷尺检定装置的研究", 《中国计量》, 31 December 2012 (2012-12-31) * |
| 茅振华等: "低成本高精度钢卷尺自动检定装置的研究", 《中国计量》, 31 December 2011 (2011-12-31) * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113551651A (en) * | 2016-01-05 | 2021-10-26 | 上海筑邦测控科技有限公司 | Inclination angle sensor based on drop hammer position video identification technology |
| CN106440988A (en) * | 2016-09-12 | 2017-02-22 | 天津市计量监督检测科学研究院 | Zero position calibrating device for steel tape |
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Application publication date: 20130918 |