CN105004247A - Arc measuring device - Google Patents
Arc measuring device Download PDFInfo
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- CN105004247A CN105004247A CN201510351419.6A CN201510351419A CN105004247A CN 105004247 A CN105004247 A CN 105004247A CN 201510351419 A CN201510351419 A CN 201510351419A CN 105004247 A CN105004247 A CN 105004247A
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Abstract
本发明涉及一种测量圆弧装置，包含左支撑杆和右支撑杆；所述左支撑杆上设置有与左支撑杆垂直平分线重合的左滑杆；所述右支撑杆上设置有与右支撑杆垂直平分线重合的右滑杆；所述左滑杆和右滑杆上分别对应设置有可滑动的下滑块和上滑块；所述下滑块和上滑块的底部可转动连接；所述左支撑杆和右支撑杆的两端和中部分别设置有通孔；所述左支撑杆和右支撑杆的中部通孔内设置有测量杆；测量圆弧半径时，所述左支撑杆的一端和右支撑杆的一端通过测量杆可转动连接，且左支撑杆的另一端和右支撑杆的另一端安装有测量杆；本发明既能测量圆弧的半径，又能测量圆弧的圆心角，且测量简单，使用方便。
The invention relates to a device for measuring circular arcs, which comprises a left support rod and a right support rod; The right sliding bar whose vertical bisector coincides with the support bar; the left sliding bar and the right sliding bar are respectively provided with a slidable lower slider and an upper slider; the bottoms of the lower slider and the upper slider are rotatably connected The two ends and the middle part of the left support rod and the right support rod are respectively provided with through holes; the middle part through holes of the left support rod and the right support rod are provided with measuring rods; when measuring the arc radius, the left support One end of the rod and one end of the right support rod are rotatably connected through the measuring rod, and the other end of the left supporting rod and the other end of the right supporting rod are installed with a measuring rod; the invention can measure the radius of the arc and the arc The central angle of the circle is simple to measure and easy to use.
Description
技术领域 technical field
本发明涉及测量领域，特指一种测量圆弧装置。 The invention relates to the field of measurement, in particular to a device for measuring an arc.
背景技术 Background technique
现有技术201210379608.0公开了一种圆弧半径测量尺，包括主尺、中垂导槽摇杆、圆柱触头和游标四部分构成，其中中垂导槽摇杆上的导槽处于摇杆的垂直平分线上，主尺的一端与两摇杆的端部以转动副连接，主尺上有可沿主尺滑动的游标，游标与两摇杆上的导槽形成移动副，三个相同的圆柱触头分别与主尺的端部、两摇杆未与主尺形成转动副的端部固定连接；使用时，只能测量圆弧的半径，但不能测量圆弧的圆心角，为此，我们研发了一种测量圆弧装置，既能测量圆弧的半径，又能测量圆弧的圆心角，且测量简单，使用方便。 The prior art 201210379608.0 discloses an arc radius measuring ruler, which consists of four parts: the main ruler, the rocker of the vertical guide groove, the cylindrical contact and the vernier, wherein the guide groove on the rocker of the vertical guide groove is in the vertical direction of the rocker. On the bisector, one end of the main ruler is connected with the ends of the two rockers by a rotating pair. There is a cursor on the main ruler that can slide along the main ruler. The vernier and the guide grooves on the two rockers form a moving pair. Three identical cylinders The contacts are fixedly connected to the end of the main ruler and the ends of the two rockers that do not form a revolving pair with the main ruler; when in use, only the radius of the arc can be measured, but the central angle of the arc cannot be measured. For this reason, we A device for measuring circular arcs has been developed, which can not only measure the radius of circular arcs, but also measure the central angle of circular arcs. The measurement is simple and easy to use.
发明内容 Contents of the invention
本发明目的是为了克服现有技术的不足而提供一种测量圆弧装置，既能测量圆弧的半径，又能测量圆弧的圆心角，且测量简单，使用方便。 The object of the present invention is to provide a circular arc measuring device to overcome the disadvantages of the prior art, which can not only measure the radius of the circular arc, but also measure the central angle of the circular arc, and the measurement is simple and easy to use.
为达到上述目的，本发明采用的技术方案是：一种测量圆弧装置，包含左支撑杆和右支撑杆；所述左支撑杆上设置有与左支撑杆垂直平分线重合的左滑杆；所述右支撑杆上设置有与右支撑杆垂直平分线重合的右滑杆；所述左滑杆和右滑杆上分别对应设置有可滑动的下滑块和上滑块；所述下滑块和上滑块的底部可转动连接；所述左支撑杆和右支撑杆的两端和中部分别设置有通孔；所述左支撑杆和右支撑杆的中部通孔内设置有测量杆；测量圆弧半径时，所述左支撑杆的一端和右支撑杆的一端通过测量杆可转动连接，且左支撑杆的另一端和右支撑杆的另一端安装有测量杆。 In order to achieve the above object, the technical solution adopted by the present invention is: a device for measuring arcs, including a left support rod and a right support rod; the left support rod is provided with a left sliding rod that coincides with the vertical bisector of the left support rod; The right support bar is provided with a right slide bar that coincides with the vertical bisector of the right support bar; the left slide bar and the right slide bar are respectively provided with slidable lower sliders and upper sliders; The bottom of the block and the upper slider is rotatably connected; the two ends and the middle of the left support rod and the right support rod are respectively provided with through holes; the middle through holes of the left support rod and the right support rod are provided with measuring rods; When measuring the arc radius, one end of the left support rod and one end of the right support rod are rotatably connected through a measuring rod, and the other end of the left supporting rod and the other end of the right supporting rod are equipped with a measuring rod.
优选的，所述左滑杆和右滑杆上分别设置有刻度； Preferably, the left slider and the right slider are respectively provided with scales;
优选的，所述下滑块和上滑块的底部分别设置有角度值。 Preferably, the bottoms of the lower slider and the upper slider are respectively provided with angle values.
优选的，所述下滑块和上滑块上分别设置有螺钉，通过螺钉可以将下滑块和上滑块对应固定在左滑杆和右滑杆上。 Preferably, the lower slider and the upper slider are respectively provided with screws, and the lower slider and the upper slider can be correspondingly fixed on the left slider and the right slider through the screws.
优选的，所述测量杆通过过渡配合设置在通孔内。 Preferably, the measuring rod is arranged in the through hole through a transition fit.
由于上述技术方案的运用，本发明与现有技术相比具有下列优点： Due to the application of the above-mentioned technical solution, the present invention has the following advantages compared with the prior art:
本发明所述的测量圆弧装置既能测量圆弧的半径，又能测量圆弧的圆心角，且测量简单，使用方便。 The arc measuring device of the invention can not only measure the radius of the arc, but also measure the central angle of the arc, and the measurement is simple and easy to use.
附图说明 Description of drawings
下面结合附图对本发明技术方案作进一步说明： Below in conjunction with accompanying drawing, technical solution of the present invention will be further described:
附图1为本发明所述的测量圆弧装置测量圆弧半径的工作示意图； Accompanying drawing 1 is the working schematic diagram of measuring arc radius by measuring arc device of the present invention;
附图2为本发明所述的测量圆弧装置的测量圆弧圆心角的工作示意图； Accompanying drawing 2 is the working schematic diagram of the measuring arc central angle of measuring arc device of the present invention;
其中：1、左支撑杆；2、右支撑杆；3、左滑杆；4、右滑杆；5、下滑块；6、上滑块；7、测量杆；8、通孔。 Among them: 1. Left support rod; 2. Right support rod; 3. Left slider; 4. Right slider; 5. Lower slider; 6. Upper slider; 7. Measuring rod; 8. Through hole.
具体实施方式 Detailed ways
下面结合附图及具体实施例对本发明作进一步的详细说明。 The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
附图1-2为本发明所述的测量圆弧装置，包含左支撑杆1和右支撑杆2；所述左支撑杆1和右支撑杆2的两端和中部分别设置有通孔8；所述通孔8内设置有过渡配合的测量杆7；所述左支撑杆1上设置有与左支撑杆1垂直平分线重合的左滑杆3；所述右支撑杆2上设置有与右支撑杆2垂直平分线重合的右滑杆4；所述左滑杆3和右滑杆4上分别设置有刻度，可以直接读出圆的半径；所述左滑杆3和右滑杆4上分别对应设置有可滑动的下滑块5和上滑块6；所述下滑块5和上滑块6的底部分别设置有角度值，且通过铆钉可转动连接，使左滑杆3和右滑杆4可绕着铆钉转动；所述下滑块5和上滑块6上分别设置有螺钉，通过螺钉可以将下滑块5和上滑块6对应固定在左滑杆3和右滑杆4上，防止读数时滑动，影响精度。 Accompanying drawing 1-2 is the measuring circular arc device of the present invention, comprises left support rod 1 and right support rod 2; Both ends and middle part of described left support rod 1 and right support rod 2 are provided with through hole 8 respectively; Described through hole 8 is provided with the measuring rod 7 of transition fit; Described left support rod 1 is provided with the left sliding rod 3 that coincides with the vertical bisector of left support rod 1; Described right support rod 2 is provided with the right The right slide bar 4 on which the vertical bisector of the support bar 2 coincides; the left slide bar 3 and the right slide bar 4 are respectively provided with scales, which can directly read the radius of the circle; the left slide bar 3 and the right slide bar 4 are A slidable lower slider 5 and an upper slider 6 are correspondingly provided with respectively; the bottoms of the lower slider 5 and the upper slider 6 are respectively provided with angle values, and are rotatably connected by rivets, so that the left slider 3 and the right slider The slider 4 can rotate around the rivet; the lower slider 5 and the upper slider 6 are respectively provided with screws, and the lower slider 5 and the upper slider 6 can be correspondingly fixed on the left slider 3 and the right slider by the screws 4, to prevent sliding when reading, affecting the accuracy.
测量圆弧半径时，如图1所示，将左支撑杆1的一端和右支撑杆2的一端通过测量杆7可转动连接，再将左支撑杆1的另一端和右支撑杆2的另一端安装测量杆7，通过三根测量杆7就可以确定一个圆，然后圆的半径可以在左滑杆3和右滑杆4上读出来。 When measuring the arc radius, as shown in Figure 1, one end of the left support rod 1 and one end of the right support rod 2 are rotatably connected by the measuring rod 7, and then the other end of the left support rod 1 and the other end of the right support rod 2 Measuring rods 7 are installed at one end, and a circle can be determined by three measuring rods 7, and then the radius of the circle can be read on the left slide bar 3 and the right slide bar 4.
测量圆心角时：先测量出圆弧直径；如图2所示，在左支撑杆1和右支撑杆2的中部安装测量杆7，转动左滑杆3和右滑杆4，使左支撑杆1和右支撑杆2中部的测量杆7杆尖置于圆弧的两端，通过下滑块5或上滑块6底部的角度值就可以直接读出圆弧的圆心角角度。 When measuring the central angle: first measure the arc diameter; as shown in Figure 2, install the measuring rod 7 in the middle of the left support rod 1 and the right support rod 2, turn the left slide rod 3 and the right slide rod 4, so that the left support rod 1 and the measuring rod 7 rod tips in the middle part of the right support rod 2 place the two ends of the arc, and the center angle angle of the arc can be directly read by the angle value at the bottom of the lower slider 5 or the upper slider 6.
由于上述技术方案的运用，本发明与现有技术相比具有下列优点： Due to the application of the above-mentioned technical solution, the present invention has the following advantages compared with the prior art:
本发明所述的测量圆弧装置既能测量圆弧的半径，又能测量圆弧的圆心角，且测量简单，使用方便。 The arc measuring device of the invention can not only measure the radius of the arc, but also measure the central angle of the arc, and the measurement is simple and easy to use.
以上仅是本发明的具体应用范例，对本发明的保护范围不构成任何限制。凡采用等同变换或者等效替换而形成的技术方案，均落在本发明权利保护范围之内。 The above are only specific application examples of the present invention, and do not constitute any limitation to the protection scope of the present invention. All technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.
Claims (4)
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| CN201510351419.6A CN105004247B (en) | 2015-06-24 | 2015-06-24 | One kind measurement circular arc device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108592754A (en) * | 2018-06-26 | 2018-09-28 | 江苏理工学院 | A kind of deep hole internal diameter detection instrument |
| CN110702012A (en) * | 2019-10-24 | 2020-01-17 | 安徽民防工程质量检测中心 | Diagonal angle detection device of civil air defense door frame |
| CN111504151A (en) * | 2020-04-28 | 2020-08-07 | 重庆长安汽车股份有限公司 | Measuring device and method for determining circle center |
| CN113551582A (en) * | 2021-07-16 | 2021-10-26 | 钱源 | Metering type electric power large-diameter pipeline inner diameter measuring device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111504151A (en) * | 2020-04-28 | 2020-08-07 | 重庆长安汽车股份有限公司 | Measuring device and method for determining circle center |
| CN113551582A (en) * | 2021-07-16 | 2021-10-26 | 钱源 | Metering type electric power large-diameter pipeline inner diameter measuring device |
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