CN103522276B - A kind of roller ground rule - Google Patents

A kind of roller ground rule Download PDF

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Publication number
CN103522276B
CN103522276B CN201310505861.0A CN201310505861A CN103522276B CN 103522276 B CN103522276 B CN 103522276B CN 201310505861 A CN201310505861 A CN 201310505861A CN 103522276 B CN103522276 B CN 103522276B
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China
Prior art keywords
chi bar
roller
pilot pin
bar
chi
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Expired - Fee Related
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CN201310505861.0A
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Chinese (zh)
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CN103522276A (en
Inventor
许媛媛
闫焉服
王新阳
祝文公
王新各
李帅
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Henan University of Science and Technology
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Henan University of Science and Technology
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Priority to CN201310505861.0A priority Critical patent/CN103522276B/en
Publication of CN103522276A publication Critical patent/CN103522276A/en
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Publication of CN103522276B publication Critical patent/CN103522276B/en
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Abstract

A kind of roller ground rule, comprise pilot pin, chi bar group, securing member and sleeve, described chi bar group is made up of chi bar I and chi bar II that can be mutually nested, chi bar II is inserted in the inside of described chi bar I, on chi bar II, be also provided with for positioning rule bar II the fastener in chi bar I telescopic movable position, the outer surface of chi bar I and chi bar II is provided with scale, the through hole that pilot pin arranges in a lateral direction by it is set on chi bar I, the top of pilot pin offers the vertical hole communicating with described through hole, vertically on hole, the securing member for limiting pilot pin present position on chi bar I is installed, sleeve is arranged on one end of chi bar II, the bottom of chi bar II is also provided with two blocks of side plates, between two blocks of side plates, a roller is installed, roller is connected with side plate by connector. roller provided by the invention ground rule, simple to operate, machining accuracy is high, easy to use and reliable, operating efficiency is high, be applicable to promoting the use of.

Description

A kind of roller ground rule
Technical field
The present invention relates to machine tools technical field, the rule rotationally of installing roller additional that specifically a kind of steel and iron parts cutting processing is used.
Background technology
Conventionally,, in production and the maintenance sites of electric power, petrochemical industry and mechanical processing industry, usually relate to the elementary machining of part. For example, in the circle of steel and iron parts, arc and annular cutting processing are produced, the processing gimmick conventionally adopting is to adopt manually line, then uses oxyacetylene torch cutter etc. to cut according to the line of subscribing. But the drawback that this processing mode exists is: because being adopts manually rule and cut, be difficult to ensure the precision of line and cutting.
Ground rule belong to scoring tool conventional in industrial manufacture process, are the one of planing. Advise, be to need interim making according to processing of the prior artly substantially, and comparison is coarse, and dimensional accuracy is not high, is difficult to meet high-precision line needs. Meanwhile, ground rule length is generally fixed value, thereby can only be suitable for the crossed process of equal length, in the time that the length of parts changes, need to again make and advise accordingly crossed process, thereby increase working time and job costs. When the volume of processing work is larger, particularly, in the time of cutting large-diameter workpiece, centre point is not completely fixed, and causes the workpiece processing easily to occur ellipse, therefore, needs special messenger to carry out the center of circle and fixes, and working (machining) efficiency is low.
Summary of the invention
In order to solve, in prior art, to advise product structure simple, uses complex procedures, and the scope of application is little, the inferior technical problem of inefficiency, the invention provides a kind of roller and advise, it is simple to operate, machining accuracy is high, easy to use and reliable, operating efficiency is high, is applicable to promoting the use of.
For achieving the above object, the technical scheme that the present invention takes is: a kind of roller ground rule, comprise pilot pin, chi bar group, securing member and sleeve, described chi bar group is made up of chi bar I and chi bar II that can be mutually nested, chi bar II is inserted in the inside of described chi bar I, on chi bar II, be also provided with for positioning rule bar II the fastener in chi bar I telescopic movable position, the outer surface of described chi bar I and chi bar II is provided with scale, the through hole that described pilot pin arranges in a lateral direction by it is set on chi bar I, the top of pilot pin offers the vertical hole communicating with described through hole, securing member for limiting pilot pin present position on chi bar I is installed on described vertical hole, described sleeve is arranged on one end of chi bar II, the bottom of chi bar II is also provided with two blocks of side plates, between two blocks of described side plates, a roller is installed, described roller is connected with side plate by connector.
Described securing member is fastening bolt.
Described connector is bearing pin.
The two ends of described connector are also separately installed with setting-up piece.
Between described securing member and pilot pin, be provided with pad.
The bottom of described pilot pin is centering cone head, and described centering cone head is ferromagnetic material.
Beneficial effect of the present invention:
1, in the chi bar group of roller of the present invention ground rule, mutually nested chi bar can the required line of free adjustment radius size, simultaneously, between chi bar I and pilot pin through hole, it is matched in clearance, the pilot pin mobile radius size that regulates on chi bar I at any time, scale on chi bar, has saved the trouble that additional gage is measured, and can conveniently meet the split requirement of different-diameter. Ground rule are reusable, can rule to the parts of different size, and can ensure the dimensional accuracy of line, and easy to use, job costs are lower.
2, between roller ground predetermined bits pin of the present invention and chi bar, removably connect, chi bar II can be nested into the inside of chi bar I, make ruler overall volume less, be convenient for carrying, the tip portion of pilot pin can be fixed on processing work surface, and under the existence of roller, is difficult for side occurring, can oxy arc device be directly set at chi boom end completes line and cutting simultaneously, remove the part of cutting by hand again from, improved precision and the operating efficiency of processing work, saved human resources.
3, roller of the present invention ground rule adopt the rule rotationally that add roller, reduce rotary resistance, under a people's operation, can firmly fix the centre point of advising easy skew, the setting of pilot pin bottom ferromagnetic material centering cone head, can stablize and firmly fix the centre point of advising easy skew, improve the precision of processing work, and can cutting processing in inclined-plane or the workpiece of facade, applied widely.
4, the rule design of roller of the present invention ground is ingenious, easy to operate, good reliability, and automaticity is high; Greatly reduce workman's the amount of labour and labour intensity, can fully meet user's multiple demand, there are market prospects widely.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Mark in figure: 1, chi bar I, 2, pilot pin, 3, securing member, 4, chi bar II, 5, side plate, 6, connector, 7, roller, 8, sleeve.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated. The technical scheme that the present invention is cited and embodiment are not restrictions, in the scope that the scheme that the technical scheme cited with the present invention and embodiment are equal to or effect is identical is all protected in the present invention.
A kind of roller ground rule, comprise pilot pin 2, chi bar group, securing member 3 and sleeve 8, described chi bar group is made up of chi bar I1 and chi bar II4 that can be mutually nested, chi bar II4 is inserted in the inside of described chi bar I1, on chi bar II4, be also provided with for positioning rule bar II4 the fastener in chi bar I1 telescopic movable position, the outer surface of described chi bar I1 and chi bar II4 is provided with scale, the through hole that described pilot pin 2 arranges in a lateral direction by it is set on chi bar I1, the top of pilot pin 2 offers the vertical hole communicating with described through hole, securing member 3 for limiting pilot pin 2 present position on chi bar I1 is installed on described vertical hole, described sleeve 8 is arranged on one end of chi bar II4, the bottom of chi bar II4 is also provided with two blocks of side plates 5, between two blocks of described side plates 5, a roller 7 is installed, described roller 7 is connected with side plate 5 by connector 6.
Described securing member 3 is fastening bolt.
Described connector 6 is bearing pin.
The two ends of described connector 6 are also separately installed with setting-up piece.
Between described securing member 3 and pilot pin 2, be provided with pad.
The bottom of described pilot pin 2 is centering cone head, and described centering cone head is ferromagnetic material.
Roller of the present invention ground rule, in the time that parts are carried out to cutting operation, first the magnetic centering cone head of pilot pin is placed on the positioning datum of parts, according to known size, from chi bar I, extract out or retraction chi bar II, make the length of advising drawn radius equal known dimensions describedly, tighten described securing member and make between chi bar and pilot pin relative fixing, according to the length of scriber in the differing heights adjustment line assembly of locating surface and line face, rule again. In the time that the different parts of another kind are rule, again adjust the chi bar of advising describedly, make the length of advising equal known dimensions describedly, thereby complete crossed process.
These roller ground rule can also set after radius of machining, the cutting torch such as oxyacetylene torch cutter are placed on the sleeve that is arranged on described chi bar II one end, carry out circular motion taking pilot pin as the center of circle, the thermal-flame of the cutting torch ejections such as oxyacetylene torch cutter melts workpiece, process required workpiece, can process required workpiece.
In the chi bar group of roller of the present invention ground rule, mutually nested chi bar can the required line of free adjustment radius size, simultaneously, between chi bar I and pilot pin through hole, it is matched in clearance, pilot pin can mobilely on chi bar I at any time regulate radius size, and chi bar I and chi bar II combine as scale, need no longer in addition survey tool, on chi bar I and chi bar II, there is scale, meet the needs of different cut radius by the cooperation of chi bar I and chi bar II. Save the trouble that additional gage is measured, can conveniently meet the split requirement of different-diameter. Ground rule are reusable, can rule to the parts of different size, and can ensure the dimensional accuracy of line, and easy to use, job costs are lower.
Between roller ground predetermined bits pin of the present invention and chi bar, removably connect, chi bar II can be nested into the inside of chi bar I, makes ruler overall volume less, is convenient for carrying, the tip portion of pilot pin can be fixed on processing work surface, and under the existence of roller, be difficult for that side occurs and fall, roller links together by connector and side plate, because being rolls, can on bearing pin, add lubricant, thereby slow down wearing and tearing, be fixed pad at bearing pin two ends, prevent bearing pin displacement in rotation process simultaneously. Can oxy arc device be directly set at chi boom end line and cutting are completed simultaneously, remove again the part of cutting by hand from, improve precision and the operating efficiency of processing work, save human resources.
Roller of the present invention ground rule adopt the rule rotationally that add roller, reduce rotary resistance, under a people's operation, can firmly fix the centre point of advising easy skew, the setting of pilot pin bottom ferromagnetic material centering cone head, can stablize and firmly fix the centre point of advising easy skew, improve the precision of processing work, and can cutting processing in inclined-plane or the workpiece of facade, applied widely.
The rule design of roller of the present invention ground is ingenious, easy to operate, good reliability, and automaticity is high; Greatly reduce workman's the amount of labour and labour intensity, can fully meet user's multiple demand, there are market prospects widely.

Claims (5)

1. roller ground rule, comprise pilot pin (2), chi bar group, securing member (3) and sleeve (8), it is characterized in that: described chi bar group is by chi bar I(1 that can be mutually nested) and chi bar II(4) form, chi bar II(4) be inserted in described chi bar I(1) inside, chi bar II(4) on be also provided with for positioning rule bar II(4) at chi bar I(1) fastener of telescopic movable position, described chi bar I(1) and chi bar II(4) outer surface be provided with scale, the through hole that described pilot pin (2) arranges in a lateral direction by it is set in chi bar I(1) on, the bottom of pilot pin (2) is the centering cone head that ferromagnetic material is made, the top of pilot pin (2) offers the vertical hole communicating with described through hole, on described vertical hole, be provided with for limiting pilot pin (2) at chi bar I(1) securing member (3) of upper present position, described sleeve (8) is arranged on chi bar II(4) one end, in sleeve (8), be provided with scribe head or oxy arc cutter sweep, described chi bar II(4) bottom be also provided with two blocks of side plates (5), between described two blocks of side plates (5), a roller (7) is installed, described roller (7) is connected with side plate (5) by connector (6).
2. a kind of roller according to claim 1 ground rule, is characterized in that: described securing member (3) is fastening bolt.
3. a kind of roller according to claim 1 ground rule, is characterized in that: described connector (6) is bearing pin.
4. a kind of roller according to claim 1 ground rule, is characterized in that: the two ends of described connector (6) are also separately installed with setting-up piece.
5. a kind of roller according to claim 1 ground rule, is characterized in that: between described securing member (3) and pilot pin (2), be provided with pad.
CN201310505861.0A 2013-10-24 2013-10-24 A kind of roller ground rule Expired - Fee Related CN103522276B (en)

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Application Number Priority Date Filing Date Title
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CN103522276B true CN103522276B (en) 2016-05-04

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* Cited by examiner, † Cited by third party
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CN104889967B (en) * 2015-06-17 2017-03-15 沈阳飞机工业(集团)有限公司 A kind of plane circular arc scoring tool and application
CN106737533A (en) * 2016-12-07 2017-05-31 葛洲坝机械工业有限公司 A kind of penstock stiffening ring(Water-ring)The chalker of assembling
CN110449691A (en) * 2019-08-22 2019-11-15 中船黄埔文冲船舶有限公司 A kind of height-adjustable elliptical aperture hole making drill
CN110465721A (en) * 2019-08-22 2019-11-19 中船黄埔文冲船舶有限公司 A kind of hull elliptical opening device
CN110926308B (en) * 2019-11-08 2022-01-28 渤海船舶重工有限责任公司 Combined mapping device

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US5038483A (en) * 1990-05-07 1991-08-13 Witek Brian G Measuring gauge apparatus
CN2128185Y (en) * 1992-07-02 1993-03-17 樊志斌 Multifunctional combined divider calipers for pipeline
CN2258812Y (en) * 1996-08-21 1997-08-06 杨东 Multi-line marking-out device
CN202011017U (en) * 2011-01-26 2011-10-19 中国三冶集团有限公司第二建筑工程公司 Paying-off device for concrete member steel bar
JP2011240426A (en) * 2010-05-17 2011-12-01 Mitsubishi Fuso Truck & Bus Corp Marking-off tool
CN202540298U (en) * 2011-12-07 2012-11-21 太阳鸟游艇股份有限公司 Adjustable top strut circle cutting instrument
CN203019361U (en) * 2012-12-28 2013-06-26 南通大通宝富风机有限公司 Arc marking device
CN203236474U (en) * 2013-04-15 2013-10-16 中国三冶集团有限公司第一建筑工程公司 Rounding construction device for steel structure
CN203600229U (en) * 2013-10-24 2014-05-21 河南科技大学 Roller ground compasses

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Publication number Priority date Publication date Assignee Title
CN103056569B (en) * 2012-12-27 2014-10-29 渤海造船厂集团有限公司 Hole-opening cutting method for ship broadside pipes

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5038483A (en) * 1990-05-07 1991-08-13 Witek Brian G Measuring gauge apparatus
CN2128185Y (en) * 1992-07-02 1993-03-17 樊志斌 Multifunctional combined divider calipers for pipeline
CN2258812Y (en) * 1996-08-21 1997-08-06 杨东 Multi-line marking-out device
JP2011240426A (en) * 2010-05-17 2011-12-01 Mitsubishi Fuso Truck & Bus Corp Marking-off tool
CN202011017U (en) * 2011-01-26 2011-10-19 中国三冶集团有限公司第二建筑工程公司 Paying-off device for concrete member steel bar
CN202540298U (en) * 2011-12-07 2012-11-21 太阳鸟游艇股份有限公司 Adjustable top strut circle cutting instrument
CN203019361U (en) * 2012-12-28 2013-06-26 南通大通宝富风机有限公司 Arc marking device
CN203236474U (en) * 2013-04-15 2013-10-16 中国三冶集团有限公司第一建筑工程公司 Rounding construction device for steel structure
CN203600229U (en) * 2013-10-24 2014-05-21 河南科技大学 Roller ground compasses

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