CN102581427B - Ground compasses - Google Patents

Ground compasses Download PDF

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Publication number
CN102581427B
CN102581427B CN201210028636.8A CN201210028636A CN102581427B CN 102581427 B CN102581427 B CN 102581427B CN 201210028636 A CN201210028636 A CN 201210028636A CN 102581427 B CN102581427 B CN 102581427B
Authority
CN
China
Prior art keywords
arm
magnetic support
horizontal cantilever
rule arm
rule
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201210028636.8A
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Chinese (zh)
Other versions
CN102581427A (en
Inventor
余林凯
蒋大寨
王伟鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
YONGMEI GROUP XINQIAO COAL MINE
Original Assignee
YONGMEI GROUP XINQIAO COAL MINE
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by YONGMEI GROUP XINQIAO COAL MINE filed Critical YONGMEI GROUP XINQIAO COAL MINE
Priority to CN201210028636.8A priority Critical patent/CN102581427B/en
Publication of CN102581427A publication Critical patent/CN102581427A/en
Application granted granted Critical
Publication of CN102581427B publication Critical patent/CN102581427B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention relates to ground compasses, which comprise a magnetic base and a compass arm with a vertically extending rotary shaft. A transverse suspension arm is connected onto the magnetic base, the extending direction of the transverse suspension arm is consistent with the radial direction of the rotary shaft of the compass arm, the compass arm is rotatably assembled at one end of the transverse suspension arm far away from the magnetic base, and a gap for making way for the magnetic base when the compass arm vertically rotates is reserved between each of two ends of the compass arm and the magnetic base. The magnetic base is not positioned on a to-be-cut plate by the aid of the transverse suspension arm, so that a next plate can be cut without detaching the magnetic base from the cut plate, operation is simple and convenient, and cutting efficiency is high.

Description

Ground rule
Technical field
The present invention relates to and a kind of to advise for mechanical pincers worker, burner matchedly.
Background technology
Before the circular plate of processing, need first to use compasses at steel plate upper drawing circle, determine cutting track, then use gas cutting to carry out cutting operation.Because the proficiency of operative's gas cutting is different, the machining accuracy of steel plate is also different, when particularly operating unskilled, the outer edge roughness of the steel plate cut out is larger, need to carry out secondary operations, sometimes the plate size cut out is seriously less than required size, not only causes waste of material, and increases workload.
Chinese patent CN2747029Y discloses one " Magnetic suction ground compasses " for this reason, and this Magnetic suction ground compasses comprises magnetic support and rotation and is assemblied in rotation rule head on magnetic support, and rotate on rule head and be connected with rule arm, rule arm is provided with cutter headstock.During use, take magnetic support as the center of circle, rule arm straps takes offence burning torch head around the pivot center rotation of rotating rule head, and finally completes the circle of contact.Existing Magnetic suction ground compasses Problems existing is: be that the center of circle is cut with magnetic support due to the circular plate that will cut, when often cutting circular plate carries out next circular plate cutting again, magnetic support is all needed to take off, and move to the center of circle that another locates plate to be cut, thus the cutting of circular plate can not be carried out continuously, causes cutting efficiency lower.
Summary of the invention
A kind of easy to operate ground is the object of the present invention is to provide to advise.
In order to solve the problem, technical scheme of the present invention is:
Ground rule, comprise the rule arm that magnetic support and rotating shaft vertically extend, described magnetic support is connected with horizontal cantilever, the bearing of trend of described horizontal cantilever is consistent with the radial direction of the rotating shaft of described rule arm, described rule arm rotates and is assemblied in described horizontal cantilever one end away from described magnetic support, is provided with and is advising arm in time vertically rotating for getting out of the way the gap of described magnetic support between the two ends of described rule arm and described magnetic support.
Described magnetic support is rotatably equipped with the vertical upright column that pivot center vertically extends, described horizontal cantilever is rotatedly connected by described vertical upright column and described magnetic support, described horizontal cantilever and described vertical upright column are fixed adjacent or described horizontal cantilever and are plugged in described vertical upright column along the radially sliding of rotating shaft of advising arm, and described magnetic support is threaded the column lock-screw be locked to described vertical upright column when described vertical upright column rotates.
Described horizontal cantilever along described rule arm rotating shaft radially slide the upper end being plugged in described vertical upright column, described vertical upright column is threaded the cantilever lock-screw be locked to described horizontal cantilever.
Described rule arm is rotated by the center of circle location structure that a pivot center vertically extends and is assemblied on described horizontal cantilever, the upper end of described center of circle location structure and described horizontal cantilever rotate and assemble, described rule arm along rule arm rotating shaft radially slide the lower end being plugged in described center of circle location structure, described center of circle location structure is threaded the rule arm lock-screw be locked to described rule arm.
Described center of circle location structure comprises and is arranged at horizontal cantilever and center of circle location structure and is rotationally connected the centering cone head locating below, described rule arm is plugged on described centering cone head along the radially sliding of rotating shaft of rule arm, and described rule arm lock-screw is threadedly connected on described centering cone head.
Scroll wheel pivot center being housed and overlapping with described rule arm bearing of trend is all rotated at the two ends of described rule arm, and each scroll wheel all has the roll extrusion mating surface for coordinating with corresponding plate roll extrusion.
The two ends of described rule arm are provided with two for installing the cutter headstock of corresponding cutter head or chalk.
Beneficial effect of the present invention: during use, magnetic support is fixed on sheet material, be in horizontal cantilever and take offence burning torch head around the pivot center rotation of advising arm away from the rule arm straps of magnetic support one end, after completing the circle of contact, cut on plate because magnetic support is not in, so do not need magnetic support to unload just can carry out the cutting of next circular plate from cutting plate, in continuous flow procedure, simple to operation, cutting efficiency is higher.
Further, horizontal cantilever is rotated by vertical upright column and is assemblied on magnetic support, after carrying out a circular plate cutting, does not need to move magnetic support, only needs to rotate vertical upright column, just can carry out next circular plate cutting, further provide cutting efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Detailed description of the invention
Ground rule embodiment as shown in Figure 1: comprise magnetic support 1, magnetic support 1 comprises the magnet mounting groove offered its lower end and the magnet 1-1 be installed in magnet mounting groove.Magnetic support 1 is rotatably equipped with the vertical upright column 3 that pivot center vertically extends, magnetic support 1 is threaded the column lock-screw 2 be locked to vertical upright column 3.Slide and be fitted with horizontal cantilever 5 in the upper end of vertical upright column 3, the cartridge insertion direction of horizontal cantilever 5 is consistent with the radial bearing of trend of the rotating shaft of vertical upright column 3, and the screw top of vertical upright column 3 is connected with the cantilever lock-screw 4 be locked to horizontal cantilever 5.Horizontal cantilever 5 is rotatably equipped with away from one end of magnetic support 1 center of circle location structure 6 that pivot center vertically extends, the upper end of center of circle location structure 6 is rotated by rolling bearing and horizontal cantilever 5 and is assembled, center of circle location structure 6 comprises and is arranged at horizontal cantilever 5 and is rotationally connected the centering cone head 6-1 below locate with center of circle location structure 6, centering cone head 6-1 slides and is fitted with rule arm 8, the rule cartridge insertion direction of arm 8 is consistent with the radial bearing of trend of the rotating shaft of center of circle location structure 6.Centering cone head 6-1 is threaded the rule arm lock-screw 7 be locked to rule arm 8, the two ends of rule arm 7 are equipped with installs fixing cutter headstock 9 for corresponding cutter head (or chalk end), also all be rotatably equipped with the scroll wheel 10 that pivot center coincides with the bearing of trend of rule arm 8 at the two ends of rule arm 7, each scroll wheel 10 all has the roll extrusion mating surface for coordinating with corresponding plate roll extrusion.Be provided with when advising arm 7 around vertical rotating for getting out of the way the gap of magnetic support 1 between the two ends and magnetic support 1 of rule arm 7.
Above-described embodiment in use, by magnetic support 1, this ground rule are installed in respective plates, the dilatability of horizontal cantilever 5 is adjusted by cantilever lock-screw 4, and then make centering cone head 6-1 aim at the center of circle of circular sheet material to be cut, cutter head is arranged on one of them cutter headstock 9 (another is for subsequent use), the cut radius of circular sheet material to be cut is adjusted by rule arm lock-screw 7, two scroll wheels 10 ensure that the stationarity of gas cutting process, after a circular plate cutting completes, rotate vertical upright column 3 and locked by column lock-screw 2, carry out the cutting of next circular sheet material, in continuous seepage, cutting efficiency is higher.Cutter headstock 9 can also be used to fixing paintbrush, carries out cutting front picture circle.
In other embodiments of the invention, vertical upright column 3 can not also be established, and can be directly connected on magnetic support 1 by horizontal cantilever 5 by Conventional rotary structure; Certainly when not needing to carry out centering cutting, center of circle location structure 6 also can not be established, and rule arm 7 directly can be rotated by Conventional rotary structure and be assemblied on horizontal cantilever 5; Two scroll wheels 10 add the stationarity of gas cutting cutting process; Horizontal cantilever 5 can also be fixedly connected with magnetic support 1, now after cutting circular plate, can be changed the cutting center of circle of rule arm 7, thus carry out next circular Sheet Metal Processing by the mode of rotating magnetic support 1.

Claims (4)

1. advise, comprise the rule arm that magnetic support and rotating shaft vertically extend, it is characterized in that: described magnetic support is connected with horizontal cantilever, the bearing of trend of described horizontal cantilever is consistent with the radial direction of the rotating shaft of described rule arm, described rule arm rotates and is assemblied in described horizontal cantilever one end away from described magnetic support, be provided with between the two ends of described rule arm and described magnetic support and advising arm in time vertically rotating for getting out of the way the gap of described magnetic support, described magnetic support is rotatably equipped with the vertical upright column that pivot center vertically extends, described horizontal cantilever is rotatedly connected by described vertical upright column and described magnetic support, described horizontal cantilever and described vertical upright column are fixed adjacent or described horizontal cantilever and are plugged in described vertical upright column along the radially sliding of rotating shaft of advising arm, described magnetic support is threaded the column lock-screw be locked to described vertical upright column when described vertical upright column rotates, by magnetic support, this ground rule are installed in respective plates, described rule arm is rotated by the center of circle location structure that a pivot center vertically extends and is assemblied on described horizontal cantilever, the upper end of described center of circle location structure and described horizontal cantilever rotate and assemble, described rule arm along rule arm rotating shaft radially slide the lower end being plugged in described center of circle location structure, described center of circle location structure is threaded the rule arm lock-screw be locked to described rule arm, described center of circle location structure comprises and is arranged at horizontal cantilever and center of circle location structure and is rotationally connected the centering cone head locating below, described rule arm is plugged on described centering cone head along the radially sliding of rotating shaft of rule arm, described rule arm lock-screw is threadedly connected on described centering cone head.
2. advise according to claim 1ly, it is characterized in that: described horizontal cantilever along described rule arm rotating shaft radially slide the upper end being plugged in described vertical upright column, described vertical upright column is threaded the cantilever lock-screw be locked to described horizontal cantilever.
3. advise according to claim 1ly, it is characterized in that: scroll wheel pivot center being housed and overlapping with described rule arm bearing of trend is all rotated at the two ends of described rule arm, and each scroll wheel all has the roll extrusion mating surface for coordinating with corresponding plate roll extrusion.
4. advise according to claim 1ly, it is characterized in that: the two ends of described rule arm are provided with two for installing the cutter headstock of corresponding cutter head or chalk.
CN201210028636.8A 2012-02-09 2012-02-09 Ground compasses Expired - Fee Related CN102581427B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210028636.8A CN102581427B (en) 2012-02-09 2012-02-09 Ground compasses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210028636.8A CN102581427B (en) 2012-02-09 2012-02-09 Ground compasses

Publications (2)

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CN102581427A CN102581427A (en) 2012-07-18
CN102581427B true CN102581427B (en) 2015-03-18

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102794536B (en) * 2012-08-28 2015-11-18 中国神华能源股份有限公司 Magnetic suction ground compasses
CN103192362B (en) * 2013-03-26 2015-04-29 苏州鼎汗传感网技术有限公司 Positioning and line-drawing device for steel rail

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2764543Y (en) * 2004-09-15 2006-03-15 瓦房店轴承集团有限责任公司 Magnetic oxygen cutting compasses
CN201058395Y (en) * 2007-07-06 2008-05-14 刘时剑 Holder for cutting circular arc workpiece
CN201120516Y (en) * 2007-12-08 2008-09-24 高军 Circular cutting apparatus for steel plate
CN201552364U (en) * 2009-11-30 2010-08-18 邹晓宁 Circular gas cutting machine with magnetic sucking legs
CN201579516U (en) * 2009-12-11 2010-09-15 河北华油钢管设计研究院有限公司 Profiling cutting machine of elbow single-punch groove
CN202539754U (en) * 2012-02-09 2012-11-21 永煤集团股份有限公司新桥煤矿 Ground gauge

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10160133A (en) * 1996-11-29 1998-06-19 Nkk Corp Rule for gas cutting
CN201669490U (en) * 2010-05-21 2010-12-15 朱卫东 Electric disc gas cutting machine

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2764543Y (en) * 2004-09-15 2006-03-15 瓦房店轴承集团有限责任公司 Magnetic oxygen cutting compasses
CN201058395Y (en) * 2007-07-06 2008-05-14 刘时剑 Holder for cutting circular arc workpiece
CN201120516Y (en) * 2007-12-08 2008-09-24 高军 Circular cutting apparatus for steel plate
CN201552364U (en) * 2009-11-30 2010-08-18 邹晓宁 Circular gas cutting machine with magnetic sucking legs
CN201579516U (en) * 2009-12-11 2010-09-15 河北华油钢管设计研究院有限公司 Profiling cutting machine of elbow single-punch groove
CN202539754U (en) * 2012-02-09 2012-11-21 永煤集团股份有限公司新桥煤矿 Ground gauge

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