CN107121331B - Multifunctional rock mechanical property tester - Google Patents
Multifunctional rock mechanical property tester Download PDFInfo
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- CN107121331B CN107121331B CN201710434498.6A CN201710434498A CN107121331B CN 107121331 B CN107121331 B CN 107121331B CN 201710434498 A CN201710434498 A CN 201710434498A CN 107121331 B CN107121331 B CN 107121331B
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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
- G01N3/02—Details
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/23—Dune restoration or creation; Cliff stabilisation
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- General Physics & Mathematics (AREA)
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a multifunctional rock mechanical property tester, which comprises a base, a vertical beam and a suspension arm, wherein a conveying platform and a test turntable are sequentially arranged on the base towards the vertical beam, and the conveying platform comprises: the vertical beam is fixed at one end of the base, a vertical sliding rail is arranged at the center part of the vertical beam, and a suspension arm is arranged at the position of the top part, which is opposite to the test turntable of the base; the left shearing device is connected to the vertical sliding rail through a locking device; a right shearing device is arranged at the position of the base, which is opposite to the rock test piece; the suspension arm comprises a vertical power source and an upper vertical telescopic shaft; the bottom of the upper vertical telescopic shaft is also provided with a detachable lifting hook, so that the stretching of a rock test piece is realized; the bottom of the test turntable is supported by a jack structure. The rock mechanical property tester provided by the invention has a longer service life and can realize the functions of uniaxial compression, biaxial stretching and shearing.
Description
Technical Field
The invention relates to the technical field of rock mechanical test equipment, in particular to a multifunctional rock mechanical property tester.
Background
The mechanical property tests such as the rock uniaxial compression test, the biaxial compression test, the direct shear test, the tensile test and the like are basic works of rock mechanical property research, but at present, only part of test works in single test equipment can be completed, and if all the tests of different types are required to be carried out, the test equipment with different functions is required to be completed. Some existing testers can realize rock uniaxial compression, biaxial compression and tensile testing, but when different types of tests are carried out, different test components need to be replaced, and time and labor are wasted. In addition, the structure shape of the loading frame of the existing rock mechanical property tester is usually designed into a door frame type, a double column type or a four column type, and the structure form determines that the loading frame cannot be added with a shearing function based on the original compression or tensile test function. Furthermore, the loading rack capable of realizing the shear test at present is a column loading rack system which is composed of a horizontal column and a vertical column, the rack structure is complex, and the rack of the shear test machine can usually only complete the shear test and cannot perform other types of tests.
The mechanical property testing machine for the rock can test different mechanical properties on the same testing machine, so that the aim of one machine with multiple purposes is fulfilled, but when the mechanical property testing machine is used, the shearing box is broken, the shearing box is easily broken by means of cantilever stretching, and the stretching effect is not ideal.
Disclosure of Invention
In order to solve the defects in the prior art, the invention aims to provide the rock mechanical property tester which has long service life and can realize the functions of uniaxial compression, biaxial stretching and shearing.
The invention is realized by the following technical scheme.
A multifunctional rock mechanical property tester comprises a base, a vertical beam arranged on the base and a suspension arm arranged on the vertical beam, wherein a test turntable and a conveying platform for placing a rock test piece are arranged on the upper surface of the base under the corresponding suspension arm; the left shearing device and the right shearing device are respectively arranged on two sides of the base, and the left shearing device is connected with a vertical sliding rail; the left stretching arm and the right stretching arm of the left shearing device and the right shearing device respectively convey the rock test piece through the conveying platform; the test turntable is fixed on a jack arranged on the ground through a bottom shaft.
Preferably, the left shearing device comprises a left stretching power source, a left telescopic shaft connected to the left stretching power source and a locking device locked on a left support of the left shearing device, the left shearing device is connected to a vertical sliding rail through the locking device, a left stretching arm is connected to the left telescopic shaft, and the left stretching arm conveys a rock test piece to the test turntable.
Preferably, the left shearing device connected to the vertical sliding rail through the locking device slides up and down along the vertical sliding rail.
Preferably, the right shearing device comprises a right stretching power source and a right telescopic shaft connected to the right stretching power source, wherein a right stretching arm is connected to the right telescopic shaft, and the right stretching arm conveys the rock test piece to the test turntable.
Preferably, the left stretching arm and the right stretching arm are of L-shaped structures.
Preferably, the suspension arm comprises a vertical power source, a vertical telescopic shaft connected to the vertical power source and a detachable lifting hook connected to the bottom of the vertical telescopic shaft, and the suspension arm drives the vertical telescopic shaft to vertically stretch and retract to compress a rock test piece through the vertical power source; and meanwhile, the stretching of the rock test piece is realized through a detachable lifting hook.
Preferably, base conveying tracks are further arranged on two sides of the conveying platform, and a right stretching arm of the right shearing device is connected to slide inside the base conveying tracks so as to convey the rock test pieces.
Preferably, the left stretching power source, the right stretching power source and the vertical power source are hydraulic servo cylinders or servo motors, and are all connected with the PLC control panel.
Compared with the prior art, the invention has the beneficial effects that:
according to the multifunctional rock mechanical property tester provided by the invention, the special test turntable is arranged on the base, the left shearing device and the right shearing device which can realize shearing and bidirectional compression are respectively arranged at the bidirectional positions of the test turntable, so that the shearing and bidirectional compression property test of the rock mechanical property is realized, and the structural design can avoid the breakage of the shearing arm. Secondly, set up the suspension arm at the top of vertical beam, set up the compression of telescopic shaft to rock on the suspension arm, set up jack structure in the bottom of experimental revolving stage correspondingly, realized the biax compression to rock. And thirdly, the bottom of the telescopic shaft is also provided with a detachable lifting hook, so that the stretching of the rock test piece is realized. Meanwhile, the rock test piece is stretched by virtue of the telescopic shaft, so that the breakage of the telescopic shaft is avoided, and the stretching effect is ideal. Finally, these functions can be used and controlled individually and can be handled as required by the test.
Drawings
FIG. 1 is a block diagram of a multifunctional rock mechanical property tester;
wherein: 1-a base, 11-a conveying platform, 12-a test turntable, 13-support legs and 14-a bottom shaft; 2-vertical beams, 3-suspension arms, 31-vertical power sources, 32-vertical telescopic shafts and 33-detachable lifting hooks; the device comprises a 4-vertical sliding rail, a 5-left shearing device, a 51-left support, a 52-left stretching power source, a 53-locking device, a 54-left telescopic shaft and a 55-left stretching arm; 6-rock test pieces, 7-right shearing devices, 71-right stretching power sources, 72-right telescopic shafts and 73-right stretching arms; 8-jack structure, 9-base conveying track, 10-PLC control panel.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples, but is not intended to be limiting.
As shown in fig. 1, a multifunctional rock mechanical property tester comprises a base 1, a vertical beam 2 arranged on the base 1, and a suspension arm 3 arranged on the vertical beam 2, wherein a test turntable 12 and a conveying platform 11 for placing a rock test piece 6 are arranged on the upper surface of the base 1 under the suspension arm 3; the two sides of the base 1 are respectively provided with a left shearing device 5 and a right shearing device 7, and the left shearing device 5 is connected with a vertical sliding rail 4; the left stretching arms 55 and the right stretching arms 73 of the left shearing device 5 and the right shearing device 7 respectively convey the rock specimen 6 through the conveying platform 11; the test turret 12 is fixed by means of a bottom shaft 14 on top of a jack structure 8 placed on the ground.
Wherein, vertical slide rail 4 is fixed in the middle part of base 1 one side, and vertical roof beam 2 is fixed in its avris.
The left shearing device 5 comprises a left stretching power source 52, a left telescopic shaft 54 connected to the left stretching power source 52 and a locking device 53 locked on a left support 51 of the left shearing device 5, the left shearing device 5 is connected to the vertical sliding rail 4 through the locking device 53, a left stretching arm 55 is connected to the left telescopic shaft 54, and the left stretching arm 55 is of an L-shaped structure and is attached to the rock test piece 6. The vertical sliding rail 4 is connected with a left shearing device 5, the left shearing device 5 is connected to the vertical sliding rail 4 through a locking device 53, and when the locking device 53 is in an open state, the left shearing device 5 slides up and down along the vertical sliding rail 4; the base 1 is equipped with right shearing mechanism 7 to rock test piece 6 position department, and right shearing mechanism 7 is including setting up the right tensile power supply 71 on the base, connect the right telescopic shaft 72 on right tensile power supply 71, is connected with right tensile arm 73 on the right telescopic shaft 72 to right tensile arm 73 is L type structure, laminating rock test piece 6 simultaneously.
The suspension arm 3 comprises a vertical power source 31, a vertical telescopic shaft 32 connected to the vertical power source 31 and a detachable lifting hook 33, and the suspension arm 3 drives the vertical telescopic shaft 32 to vertically stretch and compress the rock test piece 6 through the vertical power source 31, and the detachable lifting hook 33 is further arranged at the bottom of the vertical telescopic shaft 32, so that the stretching of the rock test piece 6 is realized; the bottom of the test turntable 12 is supported by the jack structure 8.
In the above embodiment, the two sides of the conveying platform 11 are further provided with the base conveying rails 9, and the right stretching arms 73 of the right shearing device 7 are connected to slide inside the base conveying rails 9, so as to convey the rock specimen 6.
In the above embodiment, the vertical beam 2 has a cylindrical or square column structure, which is convenient for placing the shearing device.
In the above embodiment, the test turntable 12 is fixed between the top position of the jack structure 8 and the base through the bottom shaft 14, so that the rock test piece is ensured to have better pressure resistance during the test, and meanwhile, the jack structure is ensured to be capable of driving the rock to displace towards the height direction of the vertical direction.
In the above embodiment, the base 1 is supported by at least four legs 13, improving the support performance of the base while simplifying the structure of the base.
In the above embodiment, the left stretching power source 52, the right stretching power source 71 and the vertical power source 31 are all connected with the PLC control panel 10, and the PLC control panel 10 controls the working state of each power source respectively, so that the degree of automation of the testing machine is improved.
In the above embodiment, the left stretching power source 52, the right stretching power source 71 and the vertical power source 31 are hydraulic servo cylinders or servo motors, which have better use performance, but in general, the hydraulic servo cylinders are used with larger power and are more uniform.
In general, the multifunctional rock mechanical property tester provided by the invention has more powerful functions on one hand, and has more reasonable layout and longer service life because all power devices are arranged in an open mode on the other hand.
The embodiment of the invention discloses a preferred embodiment, but is not limited to the embodiment, and based on the technical scheme disclosed by the invention, a person skilled in the art can make some substitutions and modifications to some technical features without creative labor according to the technical content disclosed by the invention, and all the substitutions and modifications are within the protection scope of the invention.
Claims (5)
1. The utility model provides a multi-functional rock mechanical properties tester, includes base (1), arranges vertical beam (2) on base (1) and establishes suspension davit (3) on vertical beam (2), its characterized in that: the upper surface of the base (1) below the corresponding suspension arm (3) is provided with a test turntable (12) for placing a rock test piece (6) and a conveying platform (11); a left shearing device (5) and a right shearing device (7) are respectively arranged on two sides of the base (1), and the left shearing device (5) is connected with a vertical sliding rail (4); the left stretching arm (55) and the right stretching arm (73) of the left shearing device (5) and the right shearing device (7) respectively convey the rock test piece (6) through the conveying platform (11); the test turntable (12) is fixed on a jack (8) arranged on the ground through a bottom shaft (14);
the left shearing device (5) comprises a left stretching power source (52), a left telescopic shaft (54) connected to the left stretching power source (52) and a locking device (53) locked on a left support (51) of the left shearing device (5), the left shearing device (5) is connected to the vertical sliding rail (4) through the locking device (53), a left stretching arm (55) is connected to the left telescopic shaft (54), and the left stretching arm (55) conveys a rock test piece (6) to the test turntable (12);
the right shearing device (7) comprises a right stretching power source (71), a right telescopic shaft (72) connected to the right stretching power source (71), a right stretching arm (73) is connected to the right telescopic shaft (72), and the right stretching arm (73) conveys the rock test piece (6) to the test turntable (12);
the two sides of the conveying platform (11) are also provided with base conveying rails (9), and the right stretching arms (73) of the right shearing device (7) are connected to slide in the base conveying rails (9) so as to convey the rock test piece (6).
2. The multifunctional rock mechanical property tester according to claim 1, wherein: the left shearing device (5) connected to the vertical sliding rail (4) through the locking device (53) slides up and down along the vertical sliding rail (4).
3. The multifunctional rock mechanical property tester according to claim 1, wherein: the left stretching arm (55) and the right stretching arm (73) are of L-shaped structures.
4. The multifunctional rock mechanical property tester according to claim 1, wherein: the suspension arm (3) comprises a vertical power source (31), a vertical telescopic shaft (32) connected to the vertical power source (31) and a detachable lifting hook (33) connected to the bottom of the vertical telescopic shaft (32), and the suspension arm (3) drives the vertical telescopic shaft (32) to vertically stretch and compress a rock test piece (6) through the vertical power source (31); meanwhile, the rock test piece (6) is stretched through the detachable lifting hook (33).
5. The multifunctional rock mechanical property tester according to claim 1, wherein: the left stretching power source (52), the right stretching power source (71) and the vertical power source (31) are hydraulic servo cylinders or servo motors, and are all connected with the PLC control panel (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710434498.6A CN107121331B (en) | 2017-06-09 | 2017-06-09 | Multifunctional rock mechanical property tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710434498.6A CN107121331B (en) | 2017-06-09 | 2017-06-09 | Multifunctional rock mechanical property tester |
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| Publication Number | Publication Date |
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| CN107121331A CN107121331A (en) | 2017-09-01 |
| CN107121331B true CN107121331B (en) | 2023-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710434498.6A Active CN107121331B (en) | 2017-06-09 | 2017-06-09 | Multifunctional rock mechanical property tester |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110146376A (en) * | 2019-05-14 | 2019-08-20 | 焦作大学 | A kind of characterization Deep Carbonate Rocks petrophysics characterization method |
| CN110567810B (en) * | 2019-10-28 | 2022-07-12 | 山东大庚工程材料科技有限公司 | Tensile detection device of grid is moulded to steel |
| CN112945755B (en) * | 2021-02-07 | 2024-04-09 | 陕西省水利电力勘测设计研究院勘察分院 | Rock double-sided shear test device and test method |
| CN114739815B (en) * | 2022-06-13 | 2022-09-02 | 成都理工大学 | Multifunctional rock mechanical property tester |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2199105C1 (en) * | 2001-06-15 | 2003-02-20 | Читинский государственный технический университет | Device establishing mechanical characteristics of rocks |
| CN102830022A (en) * | 2012-08-29 | 2012-12-19 | 四川大学 | Multi-functional mechanical property tester of rock |
| CN207540874U (en) * | 2017-06-09 | 2018-06-26 | 西安建筑科技大学 | Multifunctional rock mechanical property testing instrument |
-
2017
- 2017-06-09 CN CN201710434498.6A patent/CN107121331B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2199105C1 (en) * | 2001-06-15 | 2003-02-20 | Читинский государственный технический университет | Device establishing mechanical characteristics of rocks |
| CN102830022A (en) * | 2012-08-29 | 2012-12-19 | 四川大学 | Multi-functional mechanical property tester of rock |
| CN207540874U (en) * | 2017-06-09 | 2018-06-26 | 西安建筑科技大学 | Multifunctional rock mechanical property testing instrument |
Non-Patent Citations (1)
| Title |
|---|
| 侯爱军 ; 杨小林 ; 小有 ; 张庆 ; .石灰岩在不同加载条件下的力学性能试验研究.武汉理工大学学报.2009,(08),第137-140页. * |
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| CN107121331A (en) | 2017-09-01 |
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