CN105352797A - Magnetic device and method for fixing rock axial tensile specimen extensometer auxiliary assembly - Google Patents
Magnetic device and method for fixing rock axial tensile specimen extensometer auxiliary assembly Download PDFInfo
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- CN105352797A CN105352797A CN201510705605.5A CN201510705605A CN105352797A CN 105352797 A CN105352797 A CN 105352797A CN 201510705605 A CN201510705605 A CN 201510705605A CN 105352797 A CN105352797 A CN 105352797A
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- extensometer
- rock
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
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- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a magnetic device and method for fixing a rock axial tensile specimen extensometer auxiliary assembly. The device comprises a steel frame; the steel frame is provided with an upper beam and a lower beam; a plurality of T-type handles are connected to the upper beam through screw threads; turntables are installed on the lower ends of the T-type handles; chassis paired with the turntables are arranged on the lower beam; guide grooves extend on the turntables and the chassis; guide rods passing through the guide grooves are arranged on the lower beam; a plurality of groups of paired reinforcement magnets are arranged on the turntables and the chassis; each reinforcement magnet is connected with an arc magnetic suction device; the arc surface of the arc magnetic suction device adsorbs an extensometer auxiliary assembly; and one end of the extensometer auxiliary assembly is bonded with a rock cylinder core specimen. The operation steps using the test device provided by the invention rely on the designed centering scribed lines to realize positioning and centering; and artificial fuzzy operation intervention is less, so as to ensure the accurate position of the extensometer and the bond end of the rock specimen.
Description
Technical field
The present invention relates to the device and method that magnetic-type fixing rock axle draws test specimen extensometer accessory part, belong to rock mechanics experiment and engineering detecting field.
Background technology
Axle due to hard brittle materials such as rocks draws performance more and more to receive the concern of people, therefore accurately can install in the urgent need to a kind of the package that rock axle draws extensometer auxiliary on test specimen.Mention that the data of rock axis pulling experiment scheme is much both at home and abroad at present, but draw the rare of the process of extensometer auxiliary on test specimen to mention about accurately installing rock axle.Draw the extensometer auxiliary on test specimen accurate not if install rock axle, the bonding extensometer that not firmly may cause can not change vertically, even comes off, causes process of the test the failure of an experiment.Therefore, a whole set of more accurate erecting device and installation method drawing the extensometer accessory part of test specimen for rock type materials axle is needed.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the invention provides the device and method that a kind of magnetic-type fixing rock axle draws test specimen extensometer accessory part, solves the problems such as installation accuracy difference, success of the test rate be low.
Technical scheme: for solving the problems of the technologies described above, a kind of magnetic-type fixing rock axle of the present invention draws the device of test specimen extensometer accessory part, comprise steelframe, steelframe is provided with entablature and sill, entablature has been threaded connection several T-shaped handles, the lower end of T-shaped handle is provided with rotating disk, sill is provided with and matches the chassis used with rotating disk, rock right cylinder core is clamped between rotating disk and chassis, rotating disk and chassis are extended with gathering sill, sill is provided with the guide pole through gathering sill, rotating disk and chassis are provided with some compositions to use add strong magnet, each strong magnet that adds is connected with an arc magnetic attracting device, the arcwall face absorption extensometer auxiliary of arc magnetic attracting device, be provided with centering groove adding on strong magnet, extensometer auxiliary is provided with and matches the mark used with centering groove, extensometer auxiliary one end and rock right cylinder core bond.
As preferably, described rotating disk comprises power transmission steel plate and shell, and power transmission steel plate is flexibly connected with T-shaped handle, is equipped with rotation steel ball in the upper surface of power transmission steel plate and lower surface, rotates steel ball and power transmission steel plate parcel in the enclosure.
As preferably, below described shell, be provided with rubber blanket.
As preferably, described chassis is arranged on sill by T-shaped handle.
As preferably, described rotating disk is provided with rubber blanket.
Above-mentioned magnetic-type fixing rock axle draws an installation method for the device of test specimen extensometer accessory part, comprises the following steps:
(1) rock core preparation: the sillar of core to be got is positioned on corning machine and clamps, rock corning machine is adopted to take the rock right cylinder core that diameter is D, and then the clear distance adjusting two blades on double-pole rock-concrete cutting machine is L, excision both ends out-of-flatness part, retaining right cylinder height of specimen is the test specimen of L;
(2) laying rock sample: be placed on the rubber blanket on chassis by right cylinder rock sample, snap in the guide pole between rotating disk and chassis, by rotating the T-shaped handle on entablature, rotating disk entirety being pushed ahead, until clamp cylinders shape rock core;
(3) adsorb auxiliary: extensometer auxiliary one end is smoothened structure glue, aim at the center line absorption on arc-shaped magnet, and extensometer auxiliary is compressed towards rock core place, make energy secure bond between cylindrical rock core and extensometer auxiliary;
(4) extensometer auxiliary installation: respectively repeat steps (2), (3) make several extensometer auxiliaries of each rock sample strong bond, other cylindrical rock core is installed successively, bonding complete after place a period of time, can T-shaped handle successively on backspin entablature, and take off cylindrical rock core according to this, the rock sample of extensometer auxiliary can be fixed.
Beneficial effect: compared with prior art, of the present inventionly has the following advantages:
1. rotating disk proposed by the invention comprises shell, two-layer rotation steel ball, power transmission steel plate, and power transmission steel plate rotates by rotating steel ball, and flexible rotation, can guarantee that, at rock sample optional position adhesion extensometer, rubber blanket can guarantee the cylindrical rock core of firm grip.
2. in precalculated position, the arc magnetic attracting device with center line proposed by the invention, the absorption extensometer auxiliary of convenience and high-efficiency can guarantee that extensometer is parallel with axis direction, improve the accuracy that the axial deformation of rock type axial tension test specimen is measured.
3. in the process of practical operation, the operation steps that employing test unit proposed by the invention carries out, the centering groove designed all is relied on to realize location, centering, artificial fuzzy operation intervention is few, can ensure that the bond position of holding of extensometer and rock sample is accurate, often pair of extensometer auxiliary is completely fixed on an axis, and the rock axle tensile test specimen quality level of the bonding extensometer auxiliary obtained is consistent.
4. in the taping process of extensometer and rock sample, can the thickness smeared of control structure glue and position, structure glue bondline thickness not only can be made evenly full, and the unnecessary glue-line smeared can be prevented the drawback of other independent component adhesions.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of rotating disk of the present invention.
Fig. 3 is the structural representation adding strong magnet and arc magnetic attracting device of the present invention.
Fig. 4 be in Fig. 3 extensometer auxiliary with add strong magnet and use schematic diagram.
Embodiment
Embodiment
The present invention is magnetic-type draws the erecting device of sample extensometer accessory part to comprise following assembly for fixing rock axle: (1) T-shaped handle 1 is totally 4 right; (2) steelframe 2 (threaded hole 4 to) in hole is threaded; (3) with the base 3 totally 2 of foot pad 7; (4) rotating disk and chassis 4 right; (5) with the arc magnetic attracting device 5 four groups (often organizing 3) adding strong magnet 6 and centering groove 12; (6) rubber blanket 9 is totally 4 right; (7) right cylinder concrete sample (often organizing 4); (8) extensometer auxiliary 13 totally 8 groups (often organizing 3); (9) shell 8 is totally 4 right; (10) power transmission steel plate 10 is totally 4 right; (11) steel ball 11 totally 16 groups (often organizing 12) is rotated.
As shown in Figure 1 and Figure 4, steelframe 2 is provided with entablature and sill, entablature has been threaded connection four T-shaped handles, the lower end of T-shaped handle is provided with rotating disk, sill is provided with and matches the chassis used with rotating disk, rock right cylinder core is clamped between rotating disk and chassis, rotating disk and chassis are extended with gathering sill 4, sill is provided with the guide pole 14 through gathering sill 4, rotating disk and chassis are provided with three compositions to use add strong magnet 6, each strong magnet 6 that adds is connected with an arc magnetic attracting device 5, the arcwall face absorption extensometer auxiliary 13 of arc magnetic attracting device 5, the diameter of the arcwall face of arc magnetic attracting device 5 is identical with the diameter of corresponding extensometer auxiliary 13, be provided with centering groove 12 adding on strong magnet 6, extensometer auxiliary 13 is provided with and matches the mark 15 used with centering groove 12, extensometer auxiliary 13 one end and rock right cylinder core bond.
As shown in Figures 2 and 3, described rotating disk comprises power transmission steel plate 10 and shell 8, and power transmission steel plate 10 is flexibly connected with T-shaped handle, is equipped with rotates steel ball 11 in the upper surface of power transmission steel plate 10 and lower surface, and rotation steel ball 11 and power transmission steel plate 10 are wrapped in shell 8.Rotating disk and chassis are equipped with rubber blanket 9, and chassis is arranged on sill by T-shaped handle.
The present invention is magnetic-type draws sample extensometer accessory part installation method for fixing rock axle, and its step is as follows:
(1) rock to be got is put into clamping on rock corning machine, fixes, take the rock right cylinder core test specimen of certain size (setting diameter as D), then after cleaning out, clear distance between adjustment rock-concrete cutting machine double-pole is L, fixing rock right cylinder core, the both ends out-of-flatness part of upper excision right cylinder core, retaining right cylinder height of specimen is the test specimen of L; Plane surface grinding machine need the region of finishing to polish process to the local of rock core test piece end.The error of installing about rock core and precision controlling can see " Hydraulic and Hydro-Power Engineering rock test code " (SL264-2001).
(2) rock sample is placed on the rubber blanket 9 on chassis, rotates forward T-shaped handle 1, rock sample is clamped;
(3) adhesive linkage of 6 extensometer auxiliaries 13 is smoothened structure glue, successively according to the absorption of center line centering, and to the push-tight of rock sample place, make its strong bond;
(4) be taken up in order of priority repetition step (2), (3) 3 times, residue 3 samples to be installed, absorption, bonding in place;
(5) generally leave standstill 30 minutes, structure glue is stablized, and extensometer auxiliary 13 is firmly bonding, fall successively 4 revolve T-shaped handle 1, can sample be taken off, installation.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. a magnetic-type fixing rock axle draws the device of test specimen extensometer accessory part, it is characterized in that: comprise steelframe, steelframe is provided with entablature and sill, entablature has been threaded connection several T-shaped handles, the lower end of T-shaped handle is provided with rotating disk, sill is provided with and matches the chassis used with rotating disk, rock right cylinder core is clamped between rotating disk and chassis, rotating disk and chassis are extended with gathering sill, sill is provided with the guide pole through gathering sill, rotating disk and chassis are provided with some compositions to use add strong magnet, each strong magnet that adds is connected with an arc magnetic attracting device, the arcwall face absorption extensometer auxiliary of arc magnetic attracting device, be provided with centering groove adding on strong magnet, extensometer auxiliary is provided with and matches the mark used with centering groove, extensometer auxiliary one end and rock right cylinder core bond.
2. magnetic-type fixing rock axle according to claim 1 draws the device of test specimen extensometer accessory part, it is characterized in that: described rotating disk comprises power transmission steel plate and shell, power transmission steel plate is flexibly connected with T-shaped handle, be equipped with rotation steel ball in the upper surface of power transmission steel plate and lower surface, rotation steel ball and power transmission steel plate parcel are in the enclosure.
3. magnetic-type fixing rock axle according to claim 2 draws the device of test specimen extensometer accessory part, it is characterized in that: be provided with rubber blanket below described shell.
4. magnetic-type fixing rock axle according to claim 3 draws the device of test specimen extensometer accessory part, it is characterized in that: described chassis is arranged on sill by T-shaped handle.
5. magnetic-type fixing rock axle according to claim 4 draws the device of test specimen extensometer accessory part, it is characterized in that: described rotating disk is provided with rubber blanket.
6. magnetic-type fixing rock axle as claimed in claim 5 draws an installation method for the device of test specimen extensometer accessory part, it is characterized in that, comprises the following steps:
(1) rock core preparation: the sillar of core to be got is positioned on corning machine and clamps, rock corning machine is adopted to take the rock right cylinder core that diameter is D, and then the clear distance adjusting two blades on double-pole rock-concrete cutting machine is L, excision both ends out-of-flatness part, retaining right cylinder height of specimen is the test specimen of L;
(2) laying rock sample: be placed on the rubber blanket on chassis by right cylinder rock sample, snap in the guide pole between rotating disk and chassis, by rotating the T-shaped handle on entablature, rotating disk entirety being pushed ahead, until clamp cylinders shape rock core;
(3) adsorb auxiliary: extensometer auxiliary one end is smoothened structure glue, aim at the center line absorption on arc-shaped magnet, and extensometer auxiliary is compressed towards rock core place, make energy secure bond between cylindrical rock core and extensometer auxiliary;
(4) extensometer auxiliary installation: respectively repeat steps (2), (3) make several extensometer auxiliaries of each rock sample strong bond, other cylindrical rock core is installed successively, bonding complete after place a period of time, can T-shaped handle successively on backspin entablature, and take off cylindrical rock core according to this, the rock sample of extensometer auxiliary can be fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510705605.5A CN105352797B (en) | 2015-10-27 | 2015-10-27 | Magnetic-type fixed rock axle draws the device and method of test specimen extensometer accessory part |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510705605.5A CN105352797B (en) | 2015-10-27 | 2015-10-27 | Magnetic-type fixed rock axle draws the device and method of test specimen extensometer accessory part |
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| CN105352797A true CN105352797A (en) | 2016-02-24 |
| CN105352797B CN105352797B (en) | 2017-11-24 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108333006A (en) * | 2018-01-09 | 2018-07-27 | 河海大学 | A kind of cuboid sample clamping device and its application method suitable for sizes |
| CN108776102A (en) * | 2018-05-17 | 2018-11-09 | 余姚市振大塑胶有限公司 | Air-conditioning the wind wheel automatic pulling force check meter of step department and its method of inspection |
| CN110398449A (en) * | 2018-04-24 | 2019-11-01 | 中国石油天然气股份有限公司 | Rock core fastener and petrophysical parameter test device |
| CN110439559A (en) * | 2019-07-20 | 2019-11-12 | 邢培培 | A kind of machine-carried type splitting machine |
| CN112471932A (en) * | 2020-11-09 | 2021-03-12 | 杭州莲式贸易有限公司 | Baby complementary food separating device based on magnetism is inhaled |
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| CN101029861A (en) * | 2007-04-06 | 2007-09-05 | 浙江工业大学 | Fast multi-path strain measuring device |
| CN102288485A (en) * | 2011-05-12 | 2011-12-21 | 河海大学 | Large-sized fully graded concrete axial-tension tester |
| CN103029206A (en) * | 2012-12-14 | 2013-04-10 | 河海大学 | Preparation device and preparation method of concrete axial tension test pieces |
| CN103983509A (en) * | 2014-05-29 | 2014-08-13 | 金陵科技学院 | Stress entire curve testing device and method |
| CN204240971U (en) * | 2014-11-05 | 2015-04-01 | 汕头大学 | A kind of simple and effective extensometer stationary installation |
| CN104849143A (en) * | 2015-05-22 | 2015-08-19 | 长沙理工大学 | Uniaxial tension device and testing method thereof |
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2015
- 2015-10-27 CN CN201510705605.5A patent/CN105352797B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101029861A (en) * | 2007-04-06 | 2007-09-05 | 浙江工业大学 | Fast multi-path strain measuring device |
| CN102288485A (en) * | 2011-05-12 | 2011-12-21 | 河海大学 | Large-sized fully graded concrete axial-tension tester |
| CN103029206A (en) * | 2012-12-14 | 2013-04-10 | 河海大学 | Preparation device and preparation method of concrete axial tension test pieces |
| CN103983509A (en) * | 2014-05-29 | 2014-08-13 | 金陵科技学院 | Stress entire curve testing device and method |
| CN204240971U (en) * | 2014-11-05 | 2015-04-01 | 汕头大学 | A kind of simple and effective extensometer stationary installation |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108333006A (en) * | 2018-01-09 | 2018-07-27 | 河海大学 | A kind of cuboid sample clamping device and its application method suitable for sizes |
| CN108333006B (en) * | 2018-01-09 | 2020-06-02 | 河海大学 | Cubic sample clamping device suitable for various sizes and using method thereof |
| CN110398449A (en) * | 2018-04-24 | 2019-11-01 | 中国石油天然气股份有限公司 | Rock core fastener and petrophysical parameter test device |
| CN108776102A (en) * | 2018-05-17 | 2018-11-09 | 余姚市振大塑胶有限公司 | Air-conditioning the wind wheel automatic pulling force check meter of step department and its method of inspection |
| CN110439559A (en) * | 2019-07-20 | 2019-11-12 | 邢培培 | A kind of machine-carried type splitting machine |
| CN112471932A (en) * | 2020-11-09 | 2021-03-12 | 杭州莲式贸易有限公司 | Baby complementary food separating device based on magnetism is inhaled |
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| Publication number | Publication date |
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| CN105352797B (en) | 2017-11-24 |
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