CN111426557A - Apparent resistivity measuring device in automatic rock damage failure test - Google Patents
Apparent resistivity measuring device in automatic rock damage failure test Download PDFInfo
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- CN111426557A CN111426557A CN202010377784.5A CN202010377784A CN111426557A CN 111426557 A CN111426557 A CN 111426557A CN 202010377784 A CN202010377784 A CN 202010377784A CN 111426557 A CN111426557 A CN 111426557A
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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
- G01N3/04—Chucks
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- B08B1/12—
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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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- 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
- G01N3/06—Special adaptations of indicating or recording means
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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
- G01N3/06—Special adaptations of indicating or recording means
- G01N3/066—Special adaptations of indicating or recording means with electrical indicating or recording means
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
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- G—PHYSICS
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- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
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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
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
Abstract
The invention discloses an apparent resistivity measuring device in an automatic rock damage failure test, wherein a box body is welded at the top of a base, two sides of the top of the box body are both connected with a shell through screws, two sides of the inner wall of the shell are both provided with sliding grooves, a guide rail is connected inside the sliding grooves in a sliding manner, one side of the guide rail is fixedly connected with a plate body through screws, under the matching of a first motor, a two-way threaded rod, two first sliding blocks, the guide rail and the sliding grooves, the first connecting plate and the second connecting plate drive the plate body to move to the surface of a rock test block to be clamped and fixed, and the pulling plate and the broken plate body move together to enable the pulling plate to be attached to the surface of the rock test block; the manual cleaning is avoided, time and labor are saved, the next test is prepared until the test is finished, and the test effect is improved.
Description
Technical Field
The invention relates to the technical field of rock damage measurement, in particular to an apparent resistivity measuring device in an automatic rock damage failure test.
Background
The rock is a solid aggregate with stable appearance and composed of one or more minerals and natural glass, the rock composed of one mineral is called as monomineral rock, such as marble rock composed of calcite, quartzite composed of quartz, etc.; the rock composed of several minerals is called as composite rock, for example, granite is composed of quartz, feldspar and mica, etc., gabbro is composed of basic plagioclase feldspar and pyroxene, etc., and the liquid without certain form, such as petroleum, gas, such as natural gas, loose sand and mud, etc., are not rock, and the rock is one of the substances composing earth crust and is the main component forming earth rock ring, in which feldspar is the most important rock-making component in the crust, quartz is the ore with second most quantity, the determination method of rock damage quantification includes CT scanning micro-crack, electric test method, laser speckle method, ultrasonic detection method, acoustic emission method and slice observation method, etc., and the more common nondestructive test methods include ultrasonic detection method, electric test method and laser speckle method, Chinese patent discloses CN201822123496.8 an apparent resistivity measuring device in rock damage test, and by setting oil pressure jack and manual oil pump, different damage degrees are loaded on the rock test piece in different degrees by applying different loads on the rock test piece; through setting up ultrasonic transducer and copper sheet electrode, can carry out real-time supervision to the change process of rock test piece ultrasonic wave speed and apparent resistivity value, but rock in the process of the test needs specific fixed, otherwise when broken, the condition that takes place the skew easily and topple over takes place, the rubble and the disintegrating slag of experimental back rock are more, the dispersion is in near of testing arrangement, and after testing, still need the people for clearing up repeatedly, lead to the test inefficiency, it is difficult to take trouble, and for this reason, provide an automatic formula rock damage and destroy the apparent resistivity measuring device in the experiment.
Disclosure of Invention
The invention aims to provide an apparent resistivity measuring device in an automatic rock damage failure test, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an automatic apparent resistivity measuring device in a rock damage failure test comprises a base, a bidirectional threaded rod, a fixing plate and a unidirectional threaded rod, wherein a box body is welded at the top of the base, two sides of the top of the box body are both connected with a shell through screws, two sides of the inner wall of the shell are both provided with sliding grooves, a guide rail is slidably connected inside the sliding grooves, one side of the guide rail is fixedly connected with a plate body through screws, two sides of the bottom of the plate body are fixedly connected with a second connecting plate, one side of the second connecting plate penetrates through the top of the box body, the second connecting plate is slidably connected with the box body, one end of the bidirectional threaded rod penetrates through the inside of the box body, the outer side wall of the bidirectional threaded rod is in threaded connection with two first sliding blocks, the outer side wall of each first sliding block is welded with a first connecting plate, one side of each first, the bottom fixedly connected with pneumatic cylinder of fixed plate, the piston rod welding of pneumatic cylinder has the destruction tup, the lateral wall threaded connection of one-way threaded rod has two second sliders, the welding of one side of second slider has the third even board, the bottom fixedly connected with brush hair of board is even to the third.
As further preferable in the present technical solution: the utility model discloses a two-way threaded rod's box, including base, screw fixedly connected with first motor, the output shaft of first motor welds in the one end of two-way threaded rod, the inside of box is provided with first bearing, the inner circle of first bearing welds in the one end of two-way threaded rod, the outer lane of first bearing welds in the inside wall of box.
As further preferable in the present technical solution: first bracing piece and second bracing piece have been welded respectively to the top both sides of base, the one end that the base was kept away from to first bracing piece and second bracing piece welds respectively in the bottom both sides of fixed plate, the lateral wall welding of first bracing piece has first backup pad, the lateral wall welding of second bracing piece has the second backup pad, screw fixed connection has the second motor through the top of second backup pad, the output shaft of second motor welds in the one end of one-way threaded rod, one side of first backup pad is provided with the second bearing, the outer lane of second bearing welds in one side of first backup pad, the one end that the second motor was kept away from to one-way threaded rod welds in the inner circle of second bearing.
As further preferable in the present technical solution: the top both sides of the plate body are connected with fixed blocks through screws, the top of the fixed blocks is connected with pull plates through screws, and the two sides of the pull plates are connected with the inner side wall of the shell in a sliding mode.
As further preferable in the present technical solution: the ultrasonic probe is fixedly connected to one side of the bottom of the plate body through a screw, the electrode plate is fixedly connected to one side, close to the ultrasonic probe, of the bottom of the plate body through a screw, and the first rubber plate is fixedly connected to one side of the plate body.
As further preferable in the present technical solution: the third is even the board is located the equal fixedly connected with second rubber slab in bottom both sides of brush hair, the top of base is provided with the rock test block.
As further preferable in the present technical solution: the ultrasonic testing device comprises a base, and is characterized in that a table body is arranged on one side of the top of the base, an ultrasonic testing instrument and a resistivity measuring instrument are respectively arranged on the top of the table body, the ultrasonic testing instrument is electrically connected with an ultrasonic probe, and the resistivity measuring instrument is electrically connected with an electrode plate.
As further preferable in the present technical solution: first switch, second switch and third switch are installed respectively to the front surface one side of the table body, the power output of first switch passes through the wire and the power input electric connection of first motor, the power output of second switch passes through the wire and the power input electric connection of second motor, the power output of third switch passes through the wire and the power input electric connection of pneumatic cylinder.
Compared with the prior art, the invention has the beneficial effects that: under the matching of the first motor, the bidirectional threaded rod, the two first sliding blocks, the guide rail and the sliding chute, the first connecting plate and the second connecting plate drive the plate body to move to the surface of the rock test block to be clamped and fixed, the pulling plate and the broken plate body move together to enable the pulling plate to be attached to the surface of the rock test block, the hydraulic cylinder is started to drive the breaking hammer head to break the rock test block, the periphery of the breaking hammer head is protected by the shell, and the rock test block is prevented from toppling or shifting during breaking;
under the cooperation through second motor, one-way threaded rod, two second sliders and third even board, make brush hair and second rubber slab respectively to garrulous sediment and rubble clearance on the rock test block to the arm-tie, and same direction can reciprocate to clear up twice, can block and collect the garrulous sediment that the rock test block dropped, avoided the people to clear up for, labour saving and time saving prepares next test, until experimental the end to improve experimental effect.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the housing of the present invention;
FIG. 3 is a schematic view of a connection structure of a one-way threaded rod and a second slider according to the present invention;
FIG. 4 is a schematic view of a connection structure of a second support bar and a second support plate according to the present invention;
fig. 5 is an enlarged structural view of the region a in fig. 1 according to the present invention.
In the figure: 1. a base; 2. a first connecting plate; 3. a first slider; 4. a box body; 5. a housing; 6. testing the rock; 7. a bidirectional threaded rod; 8. a first bearing; 9. brushing; 10. a first motor; 11. a second connecting plate; 12. pulling a plate; 13. a first support plate; 14. a second bearing; 15. a first support bar; 16. a fixing plate; 17. a hydraulic cylinder; 18. breaking the hammer head; 19. a second support bar; 20. a second motor; 21. a second support plate; 22. an ultrasonic detector; 23. a table body; 24. a resistivity measuring instrument; 25. a first switch; 26. a second switch; 27. a third switch; 28. a guide rail; 29. a chute; 30. an ultrasonic probe; 31. a first rubber sheet; 32. an electrode sheet; 33. a fixed block; 34. a plate body; 35. a one-way threaded rod; 36. a second slider; 37. a third connecting plate; 38. a second rubber sheet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-5, the present invention provides a technical solution: an automatic apparent resistivity measuring device in a rock damage failure test comprises a base 1, a bidirectional threaded rod 7, a fixing plate 16 and a unidirectional threaded rod 35, wherein a box body 4 is welded at the top of the base 1, two sides of the top of the box body 4 are both connected with a shell body 5 through screws, two sides of the inner wall of the shell body 5 are both provided with sliding grooves 29, a guide rail 28 is connected inside the sliding grooves 29 in a sliding manner, one side of the guide rail 28 is fixedly connected with a plate body 34 through screws, two sides of the bottom of the plate body 34 are fixedly connected with second connecting plates 11, one side of each second connecting plate 11 penetrates through the top of the box body 4, the second connecting plates 11 are connected with the box body 4 in a sliding manner, one end of the bidirectional threaded rod 7 penetrates through the inside of the box body 4, the outer side wall of the bidirectional threaded rod 7 is in threaded connection with two first sliders 3, and the outer, first even one side of board 2 welds in the second even one side of board 11, the bottom fixedly connected with pneumatic cylinder 17 of fixed plate 16, the piston rod welding of pneumatic cylinder 17 has destruction tup 18, the lateral wall threaded connection of one-way threaded rod 35 has two second sliders 36, the welding of one side of second slider 36 has the third even board 37, the third is even the bottom fixedly connected with brush hair 9 of board 37.
In this embodiment, specifically: the utility model discloses a bidirectional threaded rod, including base 1, first motor 10, two-way threaded rod 7, box 4, first motor 10, first bearing 8, the inner circle of first bearing 8 welds in the one end of two-way threaded rod 7, the outer lane of first bearing 8 welds in the inside wall of box 4, and through above setting, first motor 10 is used for driving two-way threaded rod 7 and rotates, and then makes first slider 3 on the two-way threaded rod 7 remove to under the effect of first bearing 8, stability when 7 rotations of two-way threaded rod have been improved.
In this embodiment, specifically: the two sides of the top of the base 1 are respectively welded with a first supporting rod 15 and a second supporting rod 19, one ends of the first supporting rod 15 and the second supporting rod 19, which are far away from the base 1, are respectively welded on two sides of the bottom of the fixing plate 16, the outer side wall of the first supporting rod 15 is welded with a first supporting plate 13, the outer side wall of the second supporting rod 19 is welded with a second supporting plate 21, the top of the second supporting plate 21 is fixedly connected with a second motor 20 through screws, the output shaft of the second motor 20 is welded at one end of a one-way threaded rod 35, one side of the first supporting plate 13 is provided with a second bearing 14, the outer ring of the second bearing 14 is welded at one side of the first supporting plate 13, one end of the one-way threaded rod 35, which is far away from the second motor 20, is welded at the inner ring of the second bearing 14, and through the above arrangement, the first, and under the drive of the second motor 20, the one-way threaded rod 35 drives the second slider 36 to reciprocate, and the stability of the rotation of the one-way threaded rod 35 is improved through the second bearing 14.
In this embodiment, specifically: the top both sides of plate body 34 pass through screw fixedly connected with fixed block 33, screw fixedly connected with arm-tie 12 is passed through at the top of fixed block 33, the both sides of arm-tie 12 and the inside wall sliding connection of casing 5, through above setting, one side that arm-tie 12 is located casing 5 is perpendicular with the 31 level of first rubber slab 31 of plate body 34 one side, and when plate body 34 removed the surface of rock test block 6, arm-tie 12 also was located the surface of rock test block 6 equally, can block and collect the rubble sediment that rock test block 6 dropped.
In this embodiment, specifically: the ultrasonic probe 30 is fixedly connected to one side of the bottom of the plate body 34 through a screw, the electrode plate 32 is fixedly connected to one side, close to the bottom of the ultrasonic probe 30, of the plate body 34 through a screw, and the first rubber plate 31 is fixedly connected to one side of the plate body 34.
In this embodiment, specifically: the third even board 37 is located the equal fixedly connected with second rubber slab 38 in bottom both sides of brush hair 9, the top of base 1 is provided with rock test block 6, through above setting, under the effect of second motor 20, makes one-way threaded rod 35 drive two second sliders 36 toward a direction reciprocating motion simultaneously, makes the third even broken stone sediment on the board 37 of brush hair 9 clean rock test block 6.
In this embodiment, specifically: the ultrasonic testing device is characterized in that a table body 23 is arranged on one side of the top of the base 1, an ultrasonic detector 22 and a resistivity measuring instrument 24 are respectively arranged on the top of the table body 23, the ultrasonic detector 22 is electrically connected with an ultrasonic probe 30, the resistivity measuring instrument 24 is electrically connected with an electrode plate 32, and through the arrangement, the change process of the ultrasonic wave speed and the apparent resistivity value of the rock test block 6 can be monitored in real time.
In this embodiment, specifically: first switch 25, second switch 26 and third switch 27 are installed respectively to the front surface one side of the table body 23, the power output of first switch 25 passes through the wire and the power input electric connection of first motor 10, the power output of second switch 26 passes through the wire and the power input electric connection of second motor 20, the power output of third switch 27 passes through the wire and the power input electric connection of pneumatic cylinder 17, and through above setting, first switch 25 carries out on-off control to the start of first motor 10, and second switch 26 carries out on-off control to the start of second motor 20, and third switch 27 carries out on-off control to the start of pneumatic cylinder 17.
When the device is used, the first motor 10 is started through the first switch 25, the first motor 10 drives the bidirectional threaded rod 7 to rotate, the two first sliders 3 move relatively on the bidirectional threaded rod 7, the first connecting plate 2 and the second connecting plate 11 drive the plate body 34 to move under the action of the guide rail 28 and the sliding groove 29, the plate body moves to the rock test block 6 to be clamped and fixed, the pulling plate 12 is driven to move when the plate body 34 moves, one side of the pulling plate 12 is attached to the surface of the rock test block 6, the hydraulic cylinder 17 is started through the third switch 27, the piston rod of the hydraulic cylinder 17 drives the breaking hammer 18 to move towards the rock test block 6 to be broken, and the change processes of the ultrasonic wave speed and the apparent resistivity of the rock test block 6 can be monitored in real time through the cooperation of the electrode plate 32, the resistivity measuring instrument 24, the ultrasonic probe 30 and the ultrasonic detector 22, protect its periphery through two casings 5, and start second motor 20 through second switch 26, make second motor 20 drive one-way threaded rod 35 and rotate, make two second sliders 36 drive third even board 37 respectively and remove toward a direction, under the effect of brush hair 9 and second rubber slab 38, on the arm-tie 12 on casing 5 upper portion is cleared up to disintegrating slag and rubble on the rock test block 6 respectively, and same direction clearance is twice, the surface of arm-tie 12, can block and collect the disintegrating slag that rock test block 6 dropped, prepare next time experiment, end up to the experiment, in order to improve experimental effect.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an automatic apparent resistivity measuring device among formula rock damage failure test, includes base (1), two-way threaded rod (7), fixed plate (16) and one-way threaded rod (35), its characterized in that: the box body (4) is welded at the top of the base (1), the shell body (5) is connected to two sides of the top of the box body (4) through screws, sliding grooves (29) are formed in two sides of the inner wall of the shell body (5), a guide rail (28) is connected to the inside of each sliding groove (29), a plate body (34) is fixedly connected to one side of each guide rail (28) through screws, second connecting plates (11) are fixedly connected to two sides of the bottom of each plate body (34), one side of each second connecting plate (11) penetrates through the top of the box body (4), the second connecting plates (11) are connected with the box body (4) in a sliding mode, one end of each bidirectional threaded rod (7) penetrates through the inside of the box body (4), two first sliding blocks (3) are connected to outer side walls of the bidirectional threaded rods (7) in a threaded mode, and first connecting plates (2) are welded to outer side, the first one side of linking board (2) welds in the second one side of linking board (11), the bottom fixedly connected with pneumatic cylinder (17) of fixed plate (16), the piston rod welding of pneumatic cylinder (17) has destruction tup (18), the lateral wall threaded connection of one-way threaded rod (35) has two second sliders (36), the welding of one side of second slider (36) has the third and links board (37), the bottom fixedly connected with brush hair (9) of board (37) are even linked to the third.
2. The apparent resistivity measuring device in the automatic rock damage failure test is characterized in that: the utility model discloses a two-way threaded rod of refrigerator, including base (1), top one side of base (1) is through first motor (10) of screw fixedly connected with, the output shaft of first motor (10) welds in the one end of two-way threaded rod (7), the inside of box (4) is provided with first bearing (8), the inner circle of first bearing (8) welds in the one end of two-way threaded rod (7), the outer lane of first bearing (8) welds in the inside wall of box (4).
3. The apparent resistivity measuring device in the automatic rock damage failure test is characterized in that: a first supporting rod (15) and a second supporting rod (19) are respectively welded on two sides of the top of the base (1), one ends of the first supporting rod (15) and the second supporting rod (19) far away from the base (1) are respectively welded on two sides of the bottom of the fixing plate (16), the outer side wall of the first supporting rod (15) is welded with a first supporting plate (13), the outer side wall of the second supporting rod (19) is welded with a second supporting plate (21), the top of the second supporting plate (21) is fixedly connected with a second motor (20) through a screw, the output shaft of the second motor (20) is welded at one end of the one-way threaded rod (35), a second bearing (14) is arranged on one side of the first supporting plate (13), the outer ring of the second bearing (14) is welded on one side of the first supporting plate (13), one end of the one-way threaded rod (35) far away from the second motor (20) is welded to the inner ring of the second bearing (14).
4. The apparent resistivity measuring device in the automatic rock damage failure test is characterized in that: the utility model discloses a portable electronic device, including plate body (34), screw fixedly connected with fixed block (33) is passed through to the top both sides of plate body (34), screw fixedly connected with arm-tie (12) is passed through at the top of fixed block (33), the both sides of arm-tie (12) and the inside wall sliding connection of casing (5).
5. The apparent resistivity measuring device in the automatic rock damage failure test is characterized in that: the ultrasonic probe is characterized in that an ultrasonic probe (30) is fixedly connected to one side of the bottom of the plate body (34) through a screw, an electrode plate (32) is fixedly connected to one side, close to the ultrasonic probe (30), of the bottom of the plate body (34) through a screw, and a first rubber plate (31) is fixedly connected to one side of the plate body (34).
6. The apparent resistivity measuring device in the automatic rock damage failure test is characterized in that: the third connecting plate (37) is located on two sides of the bottom of the bristles (9) and is fixedly connected with a second rubber plate (38), and a rock test block (6) is arranged at the top of the base (1).
7. The apparent resistivity measuring device in the automatic rock damage failure test is characterized in that: the ultrasonic testing machine is characterized in that a table body (23) is arranged on one side of the top of the base (1), an ultrasonic testing instrument (22) and a resistivity measuring instrument (24) are respectively arranged on the top of the table body (23), the ultrasonic testing instrument (22) is electrically connected with an ultrasonic probe (30), and the resistivity measuring instrument (24) is electrically connected with an electrode plate (32).
8. The apparent resistivity measuring device in the automatic rock damage failure test according to claim 7, wherein: first switch (25), second switch (26) and third switch (27) are installed respectively to the front surface one side of the table body (23), the power output of first switch (25) passes through the wire and the power input electric connection of first motor (10), the power output of second switch (26) passes through the wire and the power input electric connection of second motor (20), the power output of third switch (27) passes through the wire and the power input electric connection of pneumatic cylinder (17).
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| US20180372893A1 (en) * | 2017-06-23 | 2018-12-27 | Sichuan University | Rock damage acoustic monitoring system |
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