CN204831677U - Measure device that big hexagon head bolt of high strength connects vice fastening axle power - Google Patents
Measure device that big hexagon head bolt of high strength connects vice fastening axle power Download PDFInfo
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- CN204831677U CN204831677U CN201520334958.4U CN201520334958U CN204831677U CN 204831677 U CN204831677 U CN 204831677U CN 201520334958 U CN201520334958 U CN 201520334958U CN 204831677 U CN204831677 U CN 204831677U
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- China
- Prior art keywords
- inductance loop
- sleeve
- strain
- auxiliary connection
- shaft power
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Abstract
Measure device that big hexagon head bolt of high strength connects vice fastening axle power, including the center offer square hole (1a) bottom plate (1), install sleeve (2) on the bottom plate, can set up the inductance loop of meeting an emergency (3), symmetry on the sleeve and paste on the inductance loop both sides outer wall of meeting an emergency foil gage (4) that the parallel connection connect the strain gauge, the bottom of sleeve (2) has the square inserted bar (2a) that can insert in the bottom plate square hole (1a), and top processing has counter bore (2b), the internal diameter and the outer diameter of internal diameter and outer diameter and packing ring (5) of measurand bolt of inductance loop (3) of meeting an emergency corresponds the samely. The utility model discloses easily operation, the atress is stable during measurement operation, and measuring result is accurate, can reduce working strength, improves work efficiency.
Description
Technical field
The utility model relates to steel structure connecting member detection technique field.
Background technology
Intensity is high, from heavy and light, integral rigidity is good, deformability is strong owing to having for steel construction, is widely applied in building trade.High-strength bolt is as the web member of structural steelwork, and its quality is the key factor affecting structural steelwork quality.After " code for acceptance of construction quality of steel structures " (GB-50205-2001) 6.3.2 article of regulation high-strength big six-angle spiral auxiliary connection has twisted 1h eventually, 48h planted agent carried out whole screwing torque inspection, check that quantity presses node selective examination 10%, and should not be less than 10; Each by selective examination node spot-check by Number of Bolts, check result should meet standard-required.Whole screwing torque needs to be obtained through formulae discovery by torque coefficient, and fastener shaft power (pretension) measures the critical data of torque coefficient, and fastener shaft power (pretension) should meet " code for acceptance of construction quality of steel structures " table regulation B.0.4.
It is that the axle power bar being connected to bolt outside that stretched by fastening nut is measured that the high-strength big six-angle spiral auxiliary connection of current routine measures fastener shaft power, at least needs 2 ~ 3 people's compounding practices during torque nut.When torque nut, for preventing bolt from relatively rotating, needing personnel to apply opposition at bolt head and keeping bolt not relatively rotate with nut.The unbalanced meeting of two manpowers due to compounding practice during torque nut during torsion causes bolt connection pair swing on one side or relatively rotate, and measures difficulty, measures efficiency low.When this external measurement is greater than the high-strength bolt fastener shaft power of more than M24, its setting is greater than 200KN, as not having special measurement mechanism, is only difficult to complete smoothly by hand fit's operation.
Summary of the invention
The purpose of this utility model is to solve above-mentioned prior art Problems existing, there is provided a kind of and measure stability under loading when being easy to operation, operation, measurement result accurately, the device of measurement high-strength big six-angle spiral auxiliary connection fastener shaft power that can reduce working strength, increase work efficiency.
The purpose of this utility model is achieved through the following technical solutions:
Measure the device of high-strength big six-angle spiral auxiliary connection fastener shaft power, comprise that center offers the base plate of square hole, the sleeve be installed on base plate, the strain inductance loop that can be arranged on sleeve, symmetry to be attached on the outer wall of strain inductance loop both sides and to connect the foil gauge of strainmeter; The bottom of described sleeve is with the square inserted bar that can insert in base plate square hole, and top is processed with counterbore; The internal diameter of strain inductance loop is corresponding identical with outside dimension with the internal diameter of the packing ring of measured bolt with outside dimension.
Sleeve described in the utility model is different replaceable of the different one group of specification of counterbore nominal size.Described strain inductance loop is internal diameter one group replaceable different with outside dimension.The counterbore at sleeve top is the sexangle counterbore can putting into six-sided nut.Fixed orifice is reserved with at four angles of base plate.Foil gauge vertical symmetry is attached to strain outer wall middle, inductance loop both sides.
Adopt the utility model, the strain inductance loop of one group of corresponding different size can be manufactured according to the high-strength bolt of the different size of required detection, gasket sleeve on the high-strength bolt that will detect and mounting nuts after form auxiliary connection, nut bottom auxiliary connection is placed in the counterbore of the sleeve of corresponding specification, sleeve is arranged in the square hole of base plate again and forms stable stressing device, prevents the bolt when measuring high-strength big six-angle spiral auxiliary connection fastener shaft power torque nut from relatively rotating.Adopt the utility model, the single measurement can carrying out high-strength big six-angle spiral auxiliary connection fastener shaft power, not only can reduce working strength, also can increase work efficiency.Stability under loading during operation, measurement result is accurate.A bolt correspondence configuration sleeve and a strain inductance loop of specification get final product a Reusability, can reduce costs.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that the utility model measures high-strength big six-angle spiral auxiliary connection fastener shaft power.
Embodiment
The device of measurement high-strength big six-angle spiral auxiliary connection fastener shaft power (pretension) as shown in Figure 1, comprises that center offers the base plate 1 of square hole 1a, the sleeve 2 be installed on base plate, the strain inductance loop 3 that can be arranged on sleeve, symmetry to be attached on the outer wall of strain inductance loop both sides and to connect the foil gauge 4 of strainmeter.Described foil gauge 4 vertical symmetry is attached to strain outer wall middle, inductance loop both sides.The bottom of described sleeve 2 is with the square inserted bar 2a that can insert in base plate square hole 1a, and top is processed with counterbore 2b.The internal diameter size of strain inductance loop 3 is identical with the internal diameter size of the packing ring of measured bolt, and the strain outside dimension of inductance loop 3 is also identical with the outside dimension of the packing ring 5 of measured bolt.Described sleeve 2 is replaceable, can the different sleeve of pre-configured one group of specification, and mainly the nominal size of counterbore 2b is different, to be applicable to the setscrew nut 8 of the high-strength big six-angle spiral bottom putting into different size.Described strain inductance loop 3 is also replaceable, can the strain inductance loop of pre-configured one group of specification difference (internal diameter is different with outside dimension), so that match with the internal diameter of the packing ring 5 of measured bolt and outside dimension.The counterbore 2b at sleeve top offers into the sexangle counterbore can putting into six-sided nut.Fixed orifice 1b is reserved with, so that be fixed on surveying work face by base plate at four angles of base plate.
The utility model makes base plate can use Q345B material, makes strain inductance loop and can use 45# steel, can make the strain inductance loop mated with the high-strength bolt of M12, M16, M20, M22, M24, M27, M30 seven kinds of standard specifications in advance.The internal diameter of strain inductance loop is identical with outside dimension with the internal diameter of the packing ring of the high-strength bolt of the specification that matches with outside dimension, and thickness is 25mm.
The packing ring 5 of detected high-strength bolt, nut 6, setscrew nut 8 and the strain inductance loop posting foil gauge corresponding are with it enclosed within screw rod 7 by order shown in Fig. 1 and form auxiliary connection, auxiliary connection forms stable stressing device by being arranged in the square hole of base plate with the sleeve of bolt corresponding specification, connects strainmeter.A people is tighted a bolt by electric wrench or boosting-rod rotating nut 6, is enclosed within the screw rod 7 tension power effect of answering allergic effect ring sense inside along with tightening of nut 6, corresponding strain the inductance loop effect of being stressed, pulling force and pressure equilibrium.Go out strain by strain-ga(u)ge measurement and can converse pulling force suffered by bolt, the namely fastener shaft power of bolt according to formula σ=E ε (σ represents stress, the elastic modulus of E representative strain inductance loop, and ε represents strain value).Foil gauge is the element being configured for monitor strain by sensitive grid etc., during use, it is pasted onto on the measuring point of component securely, because measuring point strains after member stress, sensitive grid also makes its resistance change thereupon being out of shape, record its resistance variations size by instrumentation again, and be converted to the strain value of measuring point.
The utility model is specially adapted to the measurement of high-strength big six-angle spiral auxiliary connection fastener shaft power (pretension) of M16 ~ M30 specification.
Claims (6)
1. measure the device of high-strength big six-angle spiral auxiliary connection fastener shaft power, it is characterized in that, comprise that center offers the base plate (1) of square hole (1a), the sleeve (2) be installed on base plate, the strain inductance loop (3) that can be arranged on sleeve, symmetry to be attached on the outer wall of strain inductance loop both sides and to connect the foil gauge (4) of strainmeter; The bottom of described sleeve (2) is with the square inserted bar (2a) that can insert in base plate square hole (1a), and top is processed with counterbore (2b); The internal diameter of strain inductance loop (3) is corresponding identical with outside dimension with the internal diameter of the packing ring (5) of measured bolt with outside dimension.
2. the device of measurement high-strength big six-angle spiral auxiliary connection fastener shaft power according to claim 1, is characterized in that, described sleeve (2) is different replaceable of one group of specification that counterbore (2b) nominal size is different.
3. the device of measurement high-strength big six-angle spiral auxiliary connection fastener shaft power according to claim 1, is characterized in that, described strain inductance loop (3) is internal diameter one group replaceable different with outside dimension.
4. the device of measurement high-strength big six-angle spiral auxiliary connection fastener shaft power according to claim 1, it is characterized in that, the counterbore (2b) at sleeve top is the sexangle counterbore can putting into six-sided nut.
5. the device of the measurement high-strength big six-angle spiral auxiliary connection fastener shaft power according to claim 1 or 2 or 3 or 4, is characterized in that, be reserved with fixed orifice (1b) at four angles of base plate.
6. the device of the measurement high-strength big six-angle spiral auxiliary connection fastener shaft power according to claim 1 or 2 or 3 or 4, is characterized in that, foil gauge (4) vertical symmetry is attached to strain outer wall middle, inductance loop (3) both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520334958.4U CN204831677U (en) | 2015-05-22 | 2015-05-22 | Measure device that big hexagon head bolt of high strength connects vice fastening axle power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520334958.4U CN204831677U (en) | 2015-05-22 | 2015-05-22 | Measure device that big hexagon head bolt of high strength connects vice fastening axle power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204831677U true CN204831677U (en) | 2015-12-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520334958.4U Expired - Fee Related CN204831677U (en) | 2015-05-22 | 2015-05-22 | Measure device that big hexagon head bolt of high strength connects vice fastening axle power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204831677U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931185A (en) * | 2015-06-02 | 2015-09-23 | 北京天源科创风电技术有限责任公司 | Method and equipment for evaluating technological property of bolt installation |
| CN106017935A (en) * | 2016-05-17 | 2016-10-12 | 大连理工大学 | Aero-engine low-pressure turbine shaft split test piece for fastening test, and design method for aero-engine low-pressure turbine shaft split test piece |
| CN107238460A (en) * | 2017-07-24 | 2017-10-10 | 西安建筑科技大学 | A kind of torque coefficient of bolt test device and method |
| CN108692850A (en) * | 2018-05-17 | 2018-10-23 | 山东汉普机械工业有限公司 | Portable high-strength bolt axle power detector |
| CN110567631A (en) * | 2019-09-08 | 2019-12-13 | 北京化工大学 | Wireless monitoring and measuring device for tank bolt |
| CN110926923A (en) * | 2019-11-25 | 2020-03-27 | 青海大学 | Load detachable test system for testing torsion-tension characteristics of bolt |
| CN111537133A (en) * | 2020-05-14 | 2020-08-14 | 北京无线电测量研究所 | Axial force measuring bolt structure and measuring method |
| KR102275388B1 (en) * | 2020-11-10 | 2021-07-22 | 케이앤씨컨설턴트(주) | Connector for sensing of come loose |
-
2015
- 2015-05-22 CN CN201520334958.4U patent/CN204831677U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931185A (en) * | 2015-06-02 | 2015-09-23 | 北京天源科创风电技术有限责任公司 | Method and equipment for evaluating technological property of bolt installation |
| CN104931185B (en) * | 2015-06-02 | 2017-08-04 | 北京天源科创风电技术有限责任公司 | Bolt mounting process performance estimating method and equipment |
| CN106017935A (en) * | 2016-05-17 | 2016-10-12 | 大连理工大学 | Aero-engine low-pressure turbine shaft split test piece for fastening test, and design method for aero-engine low-pressure turbine shaft split test piece |
| CN107238460A (en) * | 2017-07-24 | 2017-10-10 | 西安建筑科技大学 | A kind of torque coefficient of bolt test device and method |
| CN108692850A (en) * | 2018-05-17 | 2018-10-23 | 山东汉普机械工业有限公司 | Portable high-strength bolt axle power detector |
| CN110567631A (en) * | 2019-09-08 | 2019-12-13 | 北京化工大学 | Wireless monitoring and measuring device for tank bolt |
| CN110926923A (en) * | 2019-11-25 | 2020-03-27 | 青海大学 | Load detachable test system for testing torsion-tension characteristics of bolt |
| CN110926923B (en) * | 2019-11-25 | 2021-10-29 | 青海大学 | Load detachable test system for testing torsion-tension characteristics of bolt |
| CN111537133A (en) * | 2020-05-14 | 2020-08-14 | 北京无线电测量研究所 | Axial force measuring bolt structure and measuring method |
| KR102275388B1 (en) * | 2020-11-10 | 2021-07-22 | 케이앤씨컨설턴트(주) | Connector for sensing of come loose |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 650501 Yunnan Province Economic Development Zone of Kunming city information industry base, Forest Creek Road No. 188 Patentee after: Yunnan construction steel structure Limited by Share Ltd Address before: 650501 Yunnan Province Economic Development Zone of Kunming city information industry base, Forest Creek Road No. 188 Patentee before: Yunnan Construction Engineering Steel Structure Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 650501 Yunnan Province Economic Development Zone of Kunming city information industry base, Forest Creek Road No. 188 Patentee after: Yunnan Jian cast steel structure Limited by Share Ltd Address before: 650501 Yunnan Province Economic Development Zone of Kunming city information industry base, Forest Creek Road No. 188 Patentee before: Yunnan construction steel structure Limited by Share Ltd |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20200522 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |