CN103115710B - Efficient testing machine utilizing spoke-type sensor to test pretightening force - Google Patents
Efficient testing machine utilizing spoke-type sensor to test pretightening force Download PDFInfo
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- CN103115710B CN103115710B CN201310025815.0A CN201310025815A CN103115710B CN 103115710 B CN103115710 B CN 103115710B CN 201310025815 A CN201310025815 A CN 201310025815A CN 103115710 B CN103115710 B CN 103115710B
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Abstract
The invention discloses an efficient testing machine utilizing a spoke-type sensor to test pretightening force. The efficient testing machine comprises a base, a U-shaped seat, the spoke-type digital display push-pull force sensor, a fixing seat, an upright plate, a pretightening sleeve, a pretightening plate, a button operation box and a rack operation panel, wherein a spoke of the spoke-type digital display push-pull force sensor is arranged on the U-shaped seat, a digital display meter of the spoke-type digital readout push-pull force sensor is arranged on the upright plate, the pretightening plate is arranged on the outer side of the U-shaped seat, and clearance exists between the pretightening plate and the pretightening sleeve. The efficient testing machine has the advantages that the spoke-type sensor is used for testing the pretightening force, testing is conducted in a pressure mode so that pivoted pretightening force can be readout through the digital display meter of the spoke-type digital readout push-pull force sensor, and therefore the pretightening force can be readout quickly. The efficient testing machine further has the advantages of integrating a tool and a device, and being small in size, compact in structure, simple in operation, high in testing precision, high in test passing rate, and especially suitable for tests of installation pretightening force of self-plugging rivets of navigation marks and national marks in aviation and aerospace fields.
Description
Technical field
The present invention relates to a kind of high-efficiency testing machine utilizing wheel spoke type sensor to survey pretightning force, belong to checkout equipment technical field.
Background technology
At present, method countersunk head tensile type blind fastener, flat round end tensile type blind fastener and titanium alloy countersunk head pumping nail being surveyed to pretightning force is all generally oar shape pad method or opposite opened pad method, this method is arranged on by test specimen on pad test unit, pulling force is applied to the cylinder up and down of device, pulling force slowly increases, the upper and lower pressure of cylinder to pad reduces gradually, when blade starts rotation under given moment loading or pad starts to twitch under given pulling force, testing equipment is exactly the pretightning force of test specimen to the pulling force that cylinder applies.The method of such survey pretightning force is except needs testing equipment, also pretty troublesome to the making processing of blade or pad, and after each test, test specimen takes off from two cylinders by other method handy, and efficiency is low, and program is loaded down with trivial details.
Summary of the invention
The wheel spoke type sensor that utilizes that the object of the present invention is to provide a kind of structure simple, easy to operate surveys the high-efficiency testing machine of pretightning force, can adapt to the test of various different size countersunk head tensile type blind fastener, flat round end tensile type blind fastener and titanium alloy countersunk head pumping nail pretightning force.
The object of the invention is to be achieved through the following technical solutions: a kind of high-efficiency testing machine utilizing wheel spoke type sensor to survey pretightning force, it comprises base, U-shaped seat, radial digital display push-pull effort sensor, holder, riser, pre-tightening sleeve, pretension plate, push-botton operation case and gantry operation panel, wherein
Push-botton operation case is connected with gantry operation panel, base is fixed on gantry operation panel, U-shaped seat and holder are fixed on base, riser is arranged on holder, the spoke of radial digital display push-pull effort sensor is arranged on U-shaped seat, the digital display meter of radial digital display push-pull effort sensor is arranged on riser, and pre-tightening sleeve is arranged in the spoke endoporus of radial push-pull effort sensor, and pretension plate is arranged on the outside of U-shaped seat and and there is gap between pre-tightening sleeve.
Described push-botton operation case is provided with removal hole on the riveted joint direction of pre-tightening sleeve and pretension plate.
The width in described gap is 0.3mm.
Described push-botton operation case is provided with display screen.
Beneficial effect of the present invention is: employing wheel spoke type sensor surveys pretightning force, the ring groove part of rivet is inserted in riveting gun, the moment of riveting molding, with the formal testing of pressure, the pretightning force of riveted joint just can be read from the display meter of radial push-pull effort sensor, be transferred on display screen by data, just pretightning force can be read fast, union frock and equipment are in one, volume is little, compact conformation, simple to operate, measuring accuracy is high, the feature that stand the test rate is high, be particularly suitable for aviation, the test of space industry navigation mark and GB self-plugging rivet installation pretightening force.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is side view of the present invention;
Fig. 3 is the partial enlarged drawing of region A in Fig. 2.
Wherein, 1-base, 2-U type seat, 3-radial digital display push-pull effort sensor, 4-holder, 5-socket head cap screw, 6-riser, 7-fixed pin, 8-pre-tightening sleeve, 9-pretension plate, 10-push-botton operation case, 11-gantry operation panel, 12-gap, 13-self-plugging rivet, 14-display screen.
Embodiment
Technical scheme of the present invention is further described below in conjunction with accompanying drawing, but described in claimed scope is not limited to.
As shown in Figure 1, Figure 2, a kind of high-efficiency testing machine utilizing wheel spoke type sensor to survey pretightning force, it comprises base 1, U-shaped seat 2, radial digital display push-pull effort sensor 3, holder 4, riser 6, pre-tightening sleeve 8, pretension plate 9, push-botton operation case 10 and gantry operation panel 11, wherein
Push-botton operation case 10 is connected with gantry operation panel 11, base 1 is fixed on gantry operation panel 11, U-shaped seat 2 and holder 4 are fixed on base 1, riser 6 is arranged on holder 4 by socket head cap screw 5, the spoke of radial digital display push-pull effort sensor 3 is arranged on U-shaped seat 2 by fixed pin 7, the digital display meter of radial digital display push-pull effort sensor 3 is arranged on riser 6, pre-tightening sleeve 8 is arranged in the spoke endoporus of radial push-pull effort sensor 3, as Fig. 3, pretension plate 9 is arranged on the outside of U-shaped seat 2 and and there is gap 12 between pre-tightening sleeve 8.
Described push-botton operation case 10 is provided with removal hole, so that easy to loading and unloading when riveting on the riveted joint direction of pre-tightening sleeve 8 and pretension plate 9.
The width in described gap 12 is 0.3mm, produces the gap of pretightning force when gap 12 is exactly for riveting.
Described push-botton operation case 10 is provided with display screen 14.
Principle of work of the present invention for: the pressure produced pretension plate 9 and pre-tightening sleeve between footing and the large termination of rivet nut during riveted joint is the pretightning force (according to acting force and reacting force equal and opposite in direction, direction contrary principles) during field riveting.The self-plugging rivet 13 that will rivet inserts in riveting gun, then insert in pretension plate 9, the moment of riveting molding, the pretightning force of riveted joint just can read from the display meter of radial push-pull effort sensor 3, is transferred on display screen 14, just can reads pretightning force fast by data, what adopt is just pretightning force tested out when riveting, and be with the formal testing of pressure, instead of and existingly carry out test mode with the form of pulling force, be about to two sandwich plates after having riveted and pull open and test.
During riveted joint, the ring groove part of self-plugging rivet 13 only need be inserted riveting gun by operator, and then inserted between pretension plate 9 and pre-tightening sleeve 8 by the test specimen assembled (mainly shank portion), hold riveting gun level with both hands, open source of the gas, the button pressed on riveting gun can be riveted.After having riveted, two straight pins spoked are taken out, with bench drill, test specimen is bored, change pretension plate and the pre-tightening sleeve of dimension product according to done experiment specification product, spoke straight pin is loaded onto and can be re-started riveted joint.
Claims (4)
1. the high-efficiency testing machine utilizing wheel spoke type sensor to survey pretightning force, it is characterized in that: it comprises base (1), U-shaped seat (2), radial digital display push-pull effort sensor (3), holder (4), riser (6), pre-tightening sleeve (8), pretension plate (9), push-botton operation case (10) and gantry operation panel (11), wherein
Push-botton operation case (10) is connected with gantry operation panel (11), base (1) is fixed on gantry operation panel (11), U-shaped seat (2) and holder (4) are fixed on base (1), riser (6) is arranged on holder (4), the spoke of radial digital display push-pull effort sensor (3) is arranged on U-shaped seat (2), the digital display meter of radial digital display push-pull effort sensor (3) is arranged on riser (6), pre-tightening sleeve (8) is arranged in the spoke endoporus of radial push-pull effort sensor (3), pretension plate (9) is arranged on the outside of U-shaped seat (2) and and there is gap (12) between pre-tightening sleeve (8).
2. the wheel spoke type sensor that utilizes according to claim 1 surveys the high-efficiency testing machine of pretightning force, it is characterized in that: described push-botton operation case (10) is provided with removal hole on the riveted joint direction of pre-tightening sleeve (8) and pretension plate (9).
3. the high-efficiency testing machine utilizing wheel spoke type sensor to survey pretightning force according to claim 1, is characterized in that: the width in described gap (12) is 0.3mm.
4. the high-efficiency testing machine utilizing wheel spoke type sensor to survey pretightning force according to claim 1, is characterized in that: described push-botton operation case (10) is provided with display screen (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310025815.0A CN103115710B (en) | 2013-01-24 | 2013-01-24 | Efficient testing machine utilizing spoke-type sensor to test pretightening force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310025815.0A CN103115710B (en) | 2013-01-24 | 2013-01-24 | Efficient testing machine utilizing spoke-type sensor to test pretightening force |
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| CN103115710A CN103115710A (en) | 2013-05-22 |
| CN103115710B true CN103115710B (en) | 2014-12-24 |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109211658A (en) * | 2018-09-29 | 2019-01-15 | 中国航空工业标准件制造有限责任公司 | A kind of detection self-plugging rivet pretightning force pilot system |
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| JPS5471676A (en) * | 1977-11-18 | 1979-06-08 | Hitachi Ltd | Sensor of bolt tightening force |
| DE19948501A1 (en) * | 1999-10-07 | 2001-04-19 | Wolfgang Baron | Direct and indirect initial tightening force measurement apparatus for screw connection, using head for radiating pulse to screw identical to original coupling screw or to coupling screw directly for measurement |
| CN1869621A (en) * | 2005-12-13 | 2006-11-29 | 上海冠华科技有限公司 | Detecting instrument for clamp force (clamp axle force) of high strength rivet connection pair |
| CN201083575Y (en) * | 2007-10-26 | 2008-07-09 | 东风汽车有限公司 | Pre-tightening force measuring device for bolt group |
| CN101487753A (en) * | 2008-01-17 | 2009-07-22 | 陈纪平 | Integrated tester for ring-grooved rivet |
| CN101776500A (en) * | 2009-10-19 | 2010-07-14 | 浙江电力职业技术学院 | Fastener axial force-torsion combine testing machine |
| CN201852657U (en) * | 2010-11-19 | 2011-06-01 | 株洲春华实业有限责任公司 | Clamping force detector of fastener |
| CN102095546A (en) * | 2010-12-09 | 2011-06-15 | 浙江华电器材检测研究所 | Shaft force and torque combined testing machine for fastening piece |
| CN102589784A (en) * | 2012-01-04 | 2012-07-18 | 中国航天标准化研究所 | Testing device for relationship between pre-tightening force and torque for threaded fastening connection |
| CN203178010U (en) * | 2013-01-24 | 2013-09-04 | 贵州航天精工制造有限公司 | Efficient testing machine for detecting test pretightening force |
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2013
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Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5471676A (en) * | 1977-11-18 | 1979-06-08 | Hitachi Ltd | Sensor of bolt tightening force |
| DE19948501A1 (en) * | 1999-10-07 | 2001-04-19 | Wolfgang Baron | Direct and indirect initial tightening force measurement apparatus for screw connection, using head for radiating pulse to screw identical to original coupling screw or to coupling screw directly for measurement |
| CN1869621A (en) * | 2005-12-13 | 2006-11-29 | 上海冠华科技有限公司 | Detecting instrument for clamp force (clamp axle force) of high strength rivet connection pair |
| CN201083575Y (en) * | 2007-10-26 | 2008-07-09 | 东风汽车有限公司 | Pre-tightening force measuring device for bolt group |
| CN101487753A (en) * | 2008-01-17 | 2009-07-22 | 陈纪平 | Integrated tester for ring-grooved rivet |
| CN101776500A (en) * | 2009-10-19 | 2010-07-14 | 浙江电力职业技术学院 | Fastener axial force-torsion combine testing machine |
| CN201852657U (en) * | 2010-11-19 | 2011-06-01 | 株洲春华实业有限责任公司 | Clamping force detector of fastener |
| CN102095546A (en) * | 2010-12-09 | 2011-06-15 | 浙江华电器材检测研究所 | Shaft force and torque combined testing machine for fastening piece |
| CN102589784A (en) * | 2012-01-04 | 2012-07-18 | 中国航天标准化研究所 | Testing device for relationship between pre-tightening force and torque for threaded fastening connection |
| CN203178010U (en) * | 2013-01-24 | 2013-09-04 | 贵州航天精工制造有限公司 | Efficient testing machine for detecting test pretightening force |
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| 新型螺栓紧固试验系统的设计研究;李张银;《中国优秀硕士学位论文全文数据库》;20110920;17-20页 * |
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