CN104406828A - Weak-interface and low-strength rock sample making apparatus and sample making method thereof - Google Patents
Weak-interface and low-strength rock sample making apparatus and sample making method thereof Download PDFInfo
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- CN104406828A CN104406828A CN201410596473.2A CN201410596473A CN104406828A CN 104406828 A CN104406828 A CN 104406828A CN 201410596473 A CN201410596473 A CN 201410596473A CN 104406828 A CN104406828 A CN 104406828A
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Abstract
The invention relates to a weak-interface and low-strength rock sample making apparatus and a sample making method thereof. The weak-interface and low-strength rock sample making apparatus is formed by arranging a diamond wire sawing machine, a workbench and a polishing machine on a pedestal, the workbench is provided with a cutting bench and a clamping rotating disc, and the diamond wire sawing machine is arranged across the pedestal through steel supports at two sides of the diamond wire sawing machine; the diamond sawing wire of the diamond wire sawing machine is wound outside two power wheels, and a cooling gas nozzle is arranged below the diamond sawing wire; the cutting bench comprises a cutting seat, a cutting rack, a clamping handle, positioning slots, a circumferential rotation device and a rotating hand wheel, the cutting seat is fixedly connected with the cutting rack through a vertical adjusting device, the cutting rack has two corresponding support bodies, the upper ends of the two support bodies respectively form the positioning slots, the upper end of one of the support bodies is provided with the circumferential rotation device, the circumferential rotation device is connected with a circular module, the upper end of the other one of the support bodies is provided with the clamping device, and the clamping device is connected with another circular module. The cutting process in the invention has small damages to a rock sample, so the cutting precision is high, and the cut surface is smooth.
Description
Technical field
Instrument prepared by the rock mechanics sample that the present invention relates in the fields such as rock mechanics engineering, petroleum engineering, mining engineering, is specifically related to containing weak interface low-intensity rock sample preparation facilities and prepares specimen method.
Background technology
The exploitation of current unconventional petroleum resources has caused global concern, mechanics parameter test is a kind of important method of research unconventional reservoir rock mechanics, in rock physics mechanical test, rock sample used is mostly cylindrical, as single shaft, triaxial shear strength test request rock sample are of a size of φ 25mm*50mm, φ 50mm*100mm, Brazilian spilt test requires that rock sample is of a size of φ 50mm*25mm.Current joint coal petrography, mud stone, resinous shale etc. are very difficult containing the cylindricality rock sample preparation of weak interface low-intensity unconventional reservoir rock, and these rocks mostly grow comparatively significantly microfissure and bedding architecture, and bulk strength is lower.Conventional sampling methods, drill bit and rock sample surface of contact are comparatively large, and the vibrations of rig are delivered to rock sample by drill bit, and the problem that rock sample ruptures along plane of weakness often occurs.Even if sample successfully, because the intensity of this rocks is lower, the rock sample surface of taking-up has many places damaged mostly, and in rock sample polishing end face process, the vibrations of saw blade also can cause the fracture of rock sample or the breakage of end face.In routine sampling, water cooling is main drill bit cooling means, and this type of is containing weak interface low-intensity rock, after meeting water, qualitative change can occur, as intensity reduces, and hydration swelling and at weak interface place stripping damage etc.
Application number is the Chinese invention patent of 201210101103.8, disclose the device and method that a kind of mud stone cold gas is bored sample, the method meets the problem of water intensity step-down to solve mud stone in mud shale sampling difficulty and sampling process, have employed the method for cold gas cooling chisel bit, its drilling operation is discontinuous, frequent trips, going down process can produce the stress difference of moment for rock sample again, is easy to cause rock sample to twist off.
Thus, this area needs a kind of sampler containing plane of weakness low-intensity rock sample and sampling method, to overcome the defect of existing sampling technique.
Summary of the invention
An object of the present invention is to provide containing weak interface low-intensity rock sample preparation facilities, this weak interface low-intensity rock sample preparation facilities that contains is prepared difficult for solution containing weak interface low-intensity rock sample, the problem that breakage rate is high, another object of the present invention be to provide this containing weak interface low-intensity rock sample preparation facilities prepare specimen method.
The technical solution adopted for the present invention to solve the technical problems is: this weak interface low-intensity rock sample preparation facilities that contains is by diamond wire saw, worktable, sander is arranged on base and forms, worktable is arranged cutting table and clamping rotating disk, diamond wire saw is across on base by the steel bracket of its both sides, base is provided with translation slide rail along its length, translation slide rail passes below diamond wire saw, worktable can move horizontally on translation slide rail, cutting table or clamping rotating disk can move to below the diamond wire of diamond wire saw by worktable respectively, cutting table also can move to below the polishing cylinder of sander by worktable, diamond wire saw comprises steel bracket, scroll saw motor, diamond wire, two power wheels, two power wheels are arranged on the both sides of cabinet, steel bracket is fixedly connected with by arrangement for adjusting height with cabinet, scroll saw motor connects one of them power wheel by belt, diamond wire is around outside two power wheels, and cold gas nozzle is arranged on the below of diamond wire, cutting table comprises cutting seat, cuts frame, holding handle, locating groove, the device that rotates in a circumferential direction, rotation hand wheel, cut seat to be fixedly connected with by vertical regulating device with cutting frame, cutting frame has two corresponding supporters, the upper end of two supporters all arranges locating groove, the upper end of one of them supporter also arranges the device that rotates in a circumferential direction, the device that rotates in a circumferential direction connects a round die block, the upper end of another supporter also arranges clamping device, clamping device connects another round die block, and two round die blocks are oppositely arranged, clamping rotating disk has jacking mechanism, and jacking mechanism has two corresponding rectangle pressing tight plates arranged.
In such scheme, sander comprises polishing cylinder, polishing motor, steelframe, and polishing cylinder is arranged on steelframe, and polishing cylinder is connected by belt with polishing motor; Polishing cylinder is processed by common steel cylinder, and outside is oppositely stained with fine sandpaper, and polishing motor drives polishing cylinder to rotate, and completes the polishing to rock sample surface.
In such scheme, the inner side of each power wheel is provided with two angle sheaves, two angle sheaves stagger setting one on the other, diamond wire passes through between two angle sheaves, by regulating two angle sheaves inside power wheel, can control levelness and the elasticity of diamond wire.
In such scheme, arrangement for adjusting height comprises worm gear, the support bar with tooth, lifting handwheel, and worm gear is positioned at steel bracket, and support bar is positioned at cabinet, and worm gear is engaged mutually with support bar, and worm gear also connects lifting handwheel; Steel bracket and cabinet are respectively arranged with fixing threaded hole, and lifting handwheel is arranged on outside steel bracket.
In such scheme, cold gas nozzle is by tubes connection to small air pump, and booster air pump during cutting, opening nozzle can cool diamond wire.
Cutting seat in such scheme is arranged on the Level tune slide rail of worktable, and cutting seat has Level tune handwheel, and rotate Level tune handwheel, its horizontal level fine-tuning, by the vertical height of vertical regulating device fine-tuning cutting frame.
In such scheme, worktable is provided with propelling handwheel, vertical regulating device has vertical control hand wheel, described Level tune handwheel, propelling handwheel, vertical control hand wheel are all provided with back-up wrench, handwheel adjusting position can be rotated when back-up wrench unclamps, tighten rear lockable handwheel, ensure that table top no longer produces movement; Worktable moves by advancing handwheel level of control.
In such scheme jacking mechanism comprise two hold out against seat, two hold out against spanner, two rectangle pressing tight plates, two hold out against seat and are all fixed on clamping rotating disk, bolt is through holding out against seat accordingly, one end connection of bolt holds out against spanner accordingly, the other end of bolt fixes corresponding rectangle pressing tight plate, tightens and holds out against spanner, and fritter rock can be held out against seat and fix, clamping rotating disk has rotating disk handle, and rotating disk handle controls the rotational angle of clamping rotating disk.
The device that rotates in a circumferential direction in such scheme adopts worm and wormwheel structure, and worm gear connects round die block, and worm screw connects rotation hand wheel, and the circumference of rotating the control rock sample to be cut of rotation hand wheel Absorbable organic halogens is rotated, and completes cutting, rotates the number of turns than being 16:1.
The above-mentioned method preparing sample containing weak interface low-intensity rock sample preparation facilities:
One, rectangular parallelepiped sillar cutting
A, rock cutting machine cut into the fritter rock that the length of side is less than 20cm, be placed on the clamping rotating disk of worktable, tighten and hold out against seat and hold out against spanner, fritter rock is fixed to clamp.
B, the bolt taken off in scroll saw steelframe fixing threaded hole, rotational line saw lifting handwheel, scroll saw is risen to the highest, rotary work-table advances handwheel, clamping rotating disk is moved to immediately below diamond wire saw, experimentally required rock sample angle, rotates clamping rotating disk handle, by turntable rotation to predetermined angular.
C, startup scroll saw motor, open cold gas nozzle, and rotational line saw lifting handwheel controls diamond wire saw and declines, and sillar is cut into the rectangular parallelepiped rock sample of certain specification.
D, rectangular parallelepiped rock sample is fixed on clamping rotating disk, both ends of the surface are cut, require that the both ends of the surface depth of parallelism is no more than 0.1mm, after having cut, raise diamond wire saw height, reversion worktable advances handwheel, the platform take off rectangular parallelepiped rock sample of deactivating, surperficial landwaste is cleaned out, it can be used as lower step rock sample to be cut;
Two, cylindricality rock sample cuts
A, empirically requirement, install round die block and the locating groove of corresponding size, rotate the holding handle of cutting table upper end, with round die block, rock sample two ends to be cut are fixed, ensure that, without rocking, rotary work-table advances handwheel, is moved to by cutting table immediately below diamond wire saw, tighten worktable back-up wrench, make it no longer move horizontally.
B, rotational line saw lifting handwheel, decline diamond wire saw is until diamond wire and locating groove distance are less than 5cm, tighten set bolt static line saw height, rotate cutting table Level tune handwheel and vertical control hand wheel, make diamond wire pass locating groove to contact with rock sample to be cut, tighten the horizontal back-up wrench of cutting table.
C, startup scroll saw motor, open cold gas nozzle, rotate the vertical control hand wheel of cutting table, start to carry out vertical cutting to rock sample to be cut, contact to diamond wire with round die block, tighten the vertical back-up wrench of cutting table level.
D, uniform speed slow rotate the handwheel that rotates in a circumferential direction, and start to carry out circumference to rock sample to be cut and cut, after completing 360 ° of circumference cuttings, close diamond wire saw, unclamp the vertical back-up wrench of cutting table and worktable back-up wrench, reduce cutting table height, remove locating groove, take off cylindricality rock sample.
Three, cylindricality rock sample polishing
A, rotary work-table advance handwheel, are moved to by cutting table immediately below polishing cylinder, tighten worktable back-up wrench, ensure that it no longer moves horizontally.
B, startup polishing motor, rotate the vertical control hand wheel of cutting table, raise cutting table height until polishing cylinder and cylindricality rock sample contacts side surfaces, tighten the vertical back-up wrench of cutting table.
C, rotate and to rotate in a circumferential direction handwheel, cylindricality rock sample is made to carry out circumference polishing along round die block, after having polished, close polishing motor, unclamp the vertical back-up wrench of cutting table and worktable back-up wrench, fall cutting table and platform of deactivating, take off the cylindricality rock sample prepared, clean surface landwaste, to wait to test.
The present invention has following beneficial effect:
1, use diamond fretsaw to cut rock and rock sample in the present invention, drill through mode with routine and compare, can not eccentric torque be produced, the way of contact is contacted from face and becomes linear contact lay, and vibrations are transmitted lower, and the damage of working angles to rock sample is little, cutting accuracy is higher, and cut surface is more smooth.
2, adopt scroll saw to cut the rock sample preparation method of combination polishing cylinder polishing, the rock sample size conforms requirement of experiment of preparation in the present invention, surface fracture rate is lower, and fracture morphology retains more intact, and experimental result more can react real conditions.
3, adopt cold gas cooling diamond to saw silk in the present invention, compare with conventional water cooling, can effectively cool saw silk, the problem changed containing weak interface low-intensity rock chance aqueous nature can be avoided again.
4, devise locating groove and round die block in the present invention, on the one hand better can control scroll saw to the cutting position of rock sample and angle, locating groove and round die block can be changed on the other hand to convert cutting size, cut the cylindricality rock sample of different size.
Clamping rotating disk in 5 the present invention, can 360 ° of rotations, can experimentally demand, and the sillar of cutting different angles, improves the flexibility ratio of sillar cutting.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the front view of diamond wire saw in the present invention;
Fig. 3 is the side view of diamond wire saw in the present invention;
Fig. 4 is the vertical view of diamond wire saw in the present invention;
Fig. 5 is the stereographic map of worktable in the present invention;
Fig. 6 is the front view of worktable in the present invention;
Fig. 7 is the side view of worktable in the present invention;
Fig. 8 is the front view of bowing of worktable in the present invention;
Fig. 9 is the structural representation of sander in the present invention;
Figure 10 is cutting principle figure of the present invention;
Figure 11 is polishing schematic diagram of the present invention.
In figure: 1. diamond wire saw 2. worktable 3. sander 4. base 5. rock sample 6. translation slide rail 7. to be cut steel bracket 8. is elevated handwheel 9. fixing threaded hole 10. scroll saw motor 11. angle sheave 12. power wheel 13. refrigeratory nozzle 14. diamond wire 15. cutting table 16. and clamps the rotating disk 17. Level tune slide rail 18. Level tune handwheel 19. vertical control hand wheel 21. of worm gear 20. vertical back-up wrench 22. worm screw 23. round die block 24. locating groove 25. holding handle 26. rotation hand wheel 27. and advance handwheel 28. pressing tight plate 29. rotating disk handle 30. to hold out against seat 31. to hold out against spanner 32. cylinder 33. steelframe 34. motor 35. of polishing of polishing and cut frame.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated.
As shown in Figure 1, this weak interface low-intensity rock sample preparation facilities that contains is by diamond wire saw 1, worktable 2, sander 3 is arranged on base 4 and forms, consult Fig. 5, worktable 2 is arranged cutting table 15 and clamping rotating disk 16, diamond wire saw 1 is across on base 4 by the steel bracket 7 of its both sides, base 4 is provided with translation slide rail 6 along its length, translation slide rail 6 passes below diamond wire saw 1, worktable 2 can move horizontally on translation slide rail 6, cutting table 15 or clamping rotating disk 16 can move to below the diamond wire 14 of diamond wire saw by worktable 2 respectively, cutting table 15 also can move to below the polishing cylinder 32 of sander 3 by worktable 2.Worktable 2 is provided with and advances handwheel 27, and worktable 2 is moved by propelling handwheel 27 level of control, advances handwheel 27 to be provided with back-up wrench, can rotate handwheel adjusting position, tighten rear lockable handwheel when back-up wrench unclamps, and ensures that worktable 2 no longer produces movement.
Composition graphs 2, Fig. 3, shown in Fig. 4, diamond wire saw 1 comprises steel bracket 7, scroll saw motor 10, diamond wire 14, two power wheels 12, two power wheels 12 are arranged on the both sides of cabinet, steel bracket 7 is fixedly connected with by arrangement for adjusting height with cabinet, scroll saw motor 10 connects one of them power wheel 12 by belt, diamond wire 14 is around outside two power wheels 12, the inner side of each power wheel 12 is provided with two angle sheaves 11, two angle sheaves 11 stagger setting one on the other, diamond wire 14 passes through between two angle sheaves 11, cold gas nozzle 13 is arranged on the below of diamond wire 14, cold gas nozzle 13 by tubes connection to small air pump.Arrangement for adjusting height comprises worm gear, the support bar with tooth, lifting handwheel 8, and worm gear is positioned at steel bracket, and support bar is positioned at cabinet, and worm gear is engaged mutually with support bar, and worm gear also connects lifting handwheel 8; Steel bracket 7 and cabinet are respectively arranged with fixing threaded hole 9, and lifting handwheel 8 is arranged on outside steel bracket 7, and rotate lifting handwheel 8 and control the vertical lifting of cabinet, both sides steel bracket 7 is all drilled with fixing threaded hole 9, can fixed diamond scroll saw 1 height after tighting a bolt.
Consult Fig. 5, Fig. 6, Fig. 7, Fig. 8, cutting table 15 comprises cutting seat, cuts frame 35, holding handle 25, locating groove 24, the device that rotates in a circumferential direction, rotation hand wheel 26, cutting seat is arranged on the Level tune slide rail 17 of worktable 2, cut seat and have Level tune handwheel 18, Level tune handwheel 18 is provided with back-up wrench, rotate Level tune handwheel 18, its horizontal level fine-tuning.Cut seat to be fixedly connected with by vertical regulating device with cutting frame 35, vertical regulating device has vertical control hand wheel 20, vertical control hand wheel 20 is provided with vertical back-up wrench 21, by the vertical height of vertical regulating device fine-tuning cutting frame 35, the fixing vertical height cutting frame 35 after tightening vertical back-up wrench 21; Cutting frame 35 has two corresponding supporters, the upper end of two supporters all forms locating groove 24, the upper end of one of them supporter also arranges the device that rotates in a circumferential direction, the device that rotates in a circumferential direction connects a round die block 23, the upper end of another supporter also arranges clamping device, the holding handle 25 of clamping device connects another round die block 23, two round die blocks 23 and is oppositely arranged; The device that rotates in a circumferential direction adopts worm and wormwheel structure, and worm gear 19 connects round die block 23, and worm screw 22 connects rotation hand wheel 26, and the circumference of rotating the control rock sample to be cut of rotation hand wheel Absorbable organic halogens is rotated, and completes cutting, rotates the number of turns than being 16:1.Locating groove 24 removably connects with cutting frame 35, and locating groove 24 can be removed when polishing.
Rock sample to be cut is fixed on cutting table by round die block, locating groove 24 increases the cutting accuracy of diamond wire 14, round die block 23 limits rock sample and cuts profile, during cutting, turn holding handle 25, round die block 23 is made to clamp rock sample 5 to be cut, diamond wire is through two locating grooves 24, simultaneously tight on the rock sample square to be cut of two round die block clampings, rotate the rotation that rotation hand wheel 26 controls round die block 23, control rotating in a circumferential direction of rock sample to be cut simultaneously, start diamond wire saw 1, rock sample to be cut is cut by diamond wire 14 in the process rotated, the cutting profile of rock sample is controlled at this process round die block 23, make the diameter of the cylindricality rock sample after cutting equal with round die block 23.
Clamping rotating disk 16 has jacking mechanism, jacking mechanism comprises two and holds out against seat 30, two and hold out against spanner 31, two rectangle pressing tight plates 28, two hold out against seat 30 and are all fixed on clamping rotating disk 16, bolt is through holding out against seat 30 accordingly, one end connection of bolt holds out against spanner 31 accordingly, the other end of bolt is fixed corresponding rectangle pressing tight plate 28, two rectangle pressing tight plate 28 correspondences and is arranged.Tighten and hold out against spanner 31, fritter rock can be held out against seat and be fixed, and clamping rotating disk 16 has rotating disk handle 29, and rotating disk handle 29 controls the rotational angle of clamping rotating disk 16.
Consult Fig. 9, sander comprises polishing cylinder 32, polishing motor 34, steelframe 33, and polishing cylinder 32 is arranged on steelframe 33, and polishing cylinder 32 is connected by belt with polishing motor 34; Polishing cylinder 32 is processed by common steel cylinder, and outside is oppositely stained with fine sandpaper, and polishing motor 34 drives polishing cylinder 32 to rotate, and completes the polishing to rock sample surface.
The above-mentioned weak interface low-intensity rock sample preparation facilities that contains comprises the cutting of rectangular parallelepiped sillar when preparing rock sample, three parts that cylindricality rock sample cuts and cylindricality rock sample is polished, diamond fretsaw is adopted to cut rock sample, decrease the contact area with rock sample, reduce frictional resistance, to avoid on the one hand in sampling process due to moment stress difference and the rock sample fracture that causes of eccentric torque, also make the rock sample surface of preparing more smooth on the other hand, plane of weakness retains more complete.Diamond wire saw 1 adopts cold gas cooling diamond to saw silk 14, the problem changed containing weak interface low-intensity rock chance aqueous nature can be solved, which form a kind of preparation method be applicable to containing weak interface low-intensity rock sample, to prepare the cylinder rock sample of Φ 50mm, concrete steps are as follows:
One, sillar cutting
A, rock cutting machine cut into the fritter rock that the length of side is less than 20cm, is placed on the clamping rotating disk 16 of worktable 2, tighten hold out against seat 30 hold out against spanner 31, fritter rock is fixed to clamp, requires not produce to rock and displacement.
B, the height set bolt taken off with allen key on scroll saw steelframe 7, rotational line saw lifting handwheel 20, diamond wire saw 1 is risen to the highest, rotary work-table advances handwheel 27, clamping rotating disk 16 is moved to immediately below diamond wire saw 1, tightens worktable back-up wrench, according to the rock sample angle needed for experiment, rotate clamping rotating disk handle 29, the cutting angle of adjustment fritter rock.
C, start scroll saw motor 10, open refrigeratory nozzle 13, rotational line saw lifting handwheel 8 controls diamond wire saw 1 and declines, after diamond wire 14 contacts rock surface, slow down scroll saw lifting handwheel 8 velocity of rotation, fritter rock is cut, after once cutting terminates, close scroll saw motor 10, rotational line saw lifting handwheel 8, promote diamond wire saw 1, rock sample is clamped after readjusting angle, start scroll saw motor 10, second time cutting is carried out to sillar, until the strip rectangular parallelepiped rock sample needed for sillar is cut, require that size is greater than 50mm*50mm*100mm.
D, rectangular parallelepiped rock sample one end is fixed on clamping rotating disk 16, tighten rotating disk back-up wrench, rotate clamping rotating disk handle 29, make rectangular parallelepiped rock sample vertical with diamond wire 14, rotary work-table advances handwheel 27, after adjusting cutting position, tighten worktable back-up wrench, start scroll saw motor 10, the end face of rectangular parallelepiped rock sample is cut, after requiring cutting, the both ends of the surface depth of parallelism is no more than 0.1mm, after having cut, rotational line saw lifting handwheel 8, raise diamond fretsaw 1, reversion worktable advances handwheel 27, to deactivate platform 2 take off rectangular parallelepiped rock sample, clean surface landwaste, and as lower step rock sample 5 to be cut.
Two, rock sample cuts, and consults Figure 10,
A, the rock sample size empirically required, cutting table 15 installs round die block 23 and the locating groove 24 of Φ 50mm, rotate the holder handle 25 of cutting table 15 upper end, with round die block 23, rock sample 5 two ends to be cut are fixed, guarantee can not produce rocks and displacement, and rotary work-table advances handwheel 27, is moved to by cutting table 15 after immediately below diamond wire saw 1, tighten worktable back-up wrench, make it no longer move horizontally.
B, rotational line saw lifting handwheel 8, decline diamond wire saw 1 is until diamond wire 14 and locating groove 24 distance are less than 5cm, set bolt is tightened in fixing threaded hole 9, rotate cutting table Level tune handwheel 18 and vertical control hand wheel 20, adjust the position of rock sample 5 to be cut, diamond wire 14 is contacted with rock sample 5 to be cut through locating groove 24, tightens the horizontal back-up wrench of cutting table.
C, startup scroll saw motor 10, open cold gas nozzle 13, slowly rotate the vertical control hand wheel 20 of cutting table, start to carry out vertical cutting to rock sample 5 to be cut, until diamond wire 14 contacts with round die block 23, tighten the vertical back-up wrench 21 of cutting table level, make it not at generation vertical deviation.
D, uniform speed slow rotate the rotation hand wheel 26 of the device side that rotates in a circumferential direction, start to carry out 360 ° of circumferences to rock sample 5 to be cut to cut, closedown scroll saw motor 10 and cold gas nozzle 13 after cutting completes, unclamp the vertical back-up wrench 21 of cutting table and worktable back-up wrench, fall cutting table 15 height, remove locating groove 24, do not take off cylindricality rock sample.
Three, rock sample polishing, consults Figure 11,
A, rotary work-table advance handwheel 27, are moved to by cutting table 15 immediately below polishing cylinder 32, tighten worktable back-up wrench, ensure that it no longer moves horizontally.
B, start polishing motor 34, rotate cutting table vertical control hand wheel 20, the cylindricality rock sample surface that raises cutting table 15 height until polishing cylinder 32 is polished also contacts with round die block 23, tightens the vertical back-up wrench 21 of cutting table.
C, rotate and to rotate in a circumferential direction handwheel 26, cylindricality rock sample is made to carry out circumference polishing along round die block 23, after having polished, close polishing motor 34, unclamp the vertical back-up wrench 21 of cutting table and worktable back-up wrench, fall cutting table 15 and platform 2 of deactivating, take off the cylindricality rock sample prepared, clean surface landwaste, to wait to test.
Claims (10)
1. one kind contains weak interface low-intensity rock sample preparation facilities, it is characterized in that: this weak interface low-intensity rock sample preparation facilities that contains is by diamond wire saw (1), worktable (2), sander (3) is arranged on the upper formation of base (4), worktable (2) is arranged cutting table (15) and clamping rotating disk (16), diamond wire saw (1) is across on base (4) by the steel bracket (7) of its both sides, base (4) is provided with along its length translation slide rail (6), translation slide rail (6) passes from diamond wire saw (1) below, worktable (2) can move horizontally on translation slide rail (6), cutting table (15) or clamping rotating disk (16) can be moved to diamond wire (14) below of diamond wire saw by worktable (2) respectively, cutting table (15) also can be moved to polishing cylinder (32) below of sander by worktable (2), diamond wire saw (1) comprises steel bracket (7), scroll saw motor (10), diamond wire (14), two power wheels (12), two power wheels (12) are arranged on the both sides of cabinet, steel bracket (7) is fixedly connected with by arrangement for adjusting height with cabinet, scroll saw motor (10) connects one of them power wheel (12) by belt, around two power wheels (12) outward, cold gas nozzle (13) is arranged on the below of diamond wire (14) to diamond wire (14), cutting table (15) comprises cutting seat, cut frame (35), holding handle (25), locating groove (24), rotate in a circumferential direction device, rotation hand wheel (26), cut seat to be fixedly connected with by vertical regulating device with cutting frame (35), cutting frame (35) has two corresponding supporters, the upper end of two supporters all arranges locating groove (24), the upper end of one of them supporter also arranges the device that rotates in a circumferential direction, the device that rotates in a circumferential direction connects a round die block (23), the upper end of another supporter also arranges clamping device, clamping device connects another round die block (23), two round die blocks (23) are oppositely arranged, clamping rotating disk (16) has jacking mechanism, and jacking mechanism has two corresponding rectangle pressing tight plates (28) arranged.
2. according to claim 1 containing weak interface low-intensity rock sample preparation facilities, it is characterized in that: the described device that rotates in a circumferential direction adopts worm and wormwheel structure, worm gear (19) connects round die block (23), worm screw (22) connects rotation hand wheel (26), the circumference of rotating the control rock sample to be cut of rotation hand wheel (26) Absorbable organic halogens is rotated, completing cutting, rotating the number of turns than being 16:1.
3. according to claim 2 containing weak interface low-intensity rock sample preparation facilities, it is characterized in that: described sander (3) comprises polishing cylinder (32), polishing motor (34), steelframe (33), polishing cylinder (32) is arranged on steelframe (33), and polishing cylinder (32) is connected by belt with polishing motor (34); Polishing cylinder (32) is processed by common steel cylinder, and outside is oppositely stained with fine sandpaper.
4. according to claim 3 containing weak interface low-intensity rock sample preparation facilities, it is characterized in that: described arrangement for adjusting height comprises worm gear, the support bar with tooth, lifting handwheel (8), worm gear is positioned at steel bracket (7), support bar is positioned at cabinet, worm gear is engaged mutually with support bar, and worm gear also connects lifting handwheel (8); Steel bracket (7) and cabinet are respectively arranged with fixing threaded hole (9), and lifting handwheel (8) is arranged on steel bracket (7) outward.
5. according to claim 4 containing weak interface low-intensity rock sample preparation facilities, it is characterized in that: the inner side of described each power wheel (12) is provided with two angle sheaves (11), two angle sheaves (11) are staggered setting one on the other, and diamond wire (14) passes through between two angle sheaves (11).
6. according to claim 5 containing weak interface low-intensity rock sample preparation facilities, it is characterized in that: described cold gas nozzle (13) by tubes connection to small air pump.
7. according to claim 6 containing weak interface low-intensity rock sample preparation facilities, it is characterized in that: described cutting seat is arranged on the Level tune slide rail (17) of worktable, cutting seat has Level tune handwheel (18).
8. according to claim 7 containing weak interface low-intensity rock sample preparation facilities, it is characterized in that: described worktable (2) is provided with and advances handwheel (27), vertical regulating device has vertical control hand wheel (20), and described Level tune handwheel (18), propelling handwheel (27), vertical control hand wheel (20) are all provided with back-up wrench.
9. according to claim 8 containing weak interface low-intensity rock sample preparation facilities, it is characterized in that: described jacking mechanism comprise two hold out against seat (30), two hold out against spanner (31), two rectangle pressing tight plates (28), two hold out against seat (30) and are all fixed in clamping rotating disk (16), bolt is through holding out against seat (30) accordingly, one end connection of bolt holds out against spanner (31) accordingly, the other end of bolt fixes corresponding rectangle pressing tight plate (28), and clamping rotating disk has rotating disk handle (29).
10. the method preparing sample containing weak interface low-intensity rock sample preparation facilities according to claim 9, is characterized in that: this method preparing sample containing weak interface low-intensity rock sample preparation facilities:
One, rectangular parallelepiped sillar cutting:
A, rock cutting machine is cut into fritter rock, be placed on the clamping rotating disk (16) of worktable, tighten and hold out against seat and hold out against spanner (31), fritter rock is fixed to clamp;
B, the bolt taken off in diamond wire saw steel bracket (7) fixing threaded hole, rotate diamond wire saw lifting handwheel (8), diamond wire saw (1) is risen to the highest, rotary work-table advances handwheel (27), to clamp rotating disk (16) moves to immediately below diamond wire saw (1), experimentally required rock sample angle, rotates clamping rotating disk handle (29), will clamp rotating disk (16) and rotate to predetermined angular;
C, startup scroll saw motor (10), open cold gas nozzle (13), rotates diamond wire saw lifting handwheel (8) and control diamond wire saw (1) decline, sillar is cut into the rectangular parallelepiped rock sample of certain specification;
D, rectangular parallelepiped rock sample is fixed in clamping rotating disk (16), both ends of the surface are cut, require that the both ends of the surface depth of parallelism is no more than 0.1mm, after having cut, raise diamond wire saw (1) highly, reversion worktable advances handwheel (27), the platform take off rectangular parallelepiped rock sample of deactivating, surperficial landwaste is cleaned out, it can be used as lower step rock sample to be cut;
Two, cylindricality rock sample cuts:
A, empirically requirement, install round die block (23) and the locating groove (24) of corresponding size, rotate the holding handle (25) of cutting table upper end, with round die block (23), rock sample two ends to be cut are fixed, rotary work-table advances handwheel (27), cutting table is moved to immediately below diamond wire saw (1), tighten worktable back-up wrench, make it no longer move horizontally;
B, rotation diamond wire saw lifting handwheel (8), decline diamond wire saw (1) is until diamond wire (14) and locating groove (24) distance are less than 5cm, tighten set bolt fixed diamond scroll saw (1) highly, rotate cutting table Level tune handwheel (18) and vertical control hand wheel (20), diamond wire (14) is contacted with rock sample to be cut through locating groove (24), tightens the horizontal back-up wrench of cutting table;
C, startup scroll saw motor (10), open cold gas nozzle (13), rotate the vertical control hand wheel of cutting table (20), start to carry out vertical cutting to rock sample to be cut, contact with round die block (23) to diamond wire (14), tighten the vertical back-up wrench of cutting table level (21);
D, uniform speed slow rotate the handwheel that rotates in a circumferential direction, start to carry out circumference to rock sample to be cut to cut, after completing 360 ° of circumference cuttings, close diamond wire saw (1), unclamp the vertical back-up wrench of cutting table (21) and worktable back-up wrench, reduce cutting table height, remove locating groove (24), take off cylindricality rock sample;
Three, cylindricality rock sample polishing:
A, rotary work-table advance handwheel (27), are moved to by cutting table immediately below polishing cylinder (32), tighten worktable back-up wrench;
B, startup polishing motor (34), rotate the vertical control hand wheel of cutting table (20), raises cutting table height until polishing cylinder (32) and cylindricality rock sample contacts side surfaces, tighten the vertical back-up wrench of cutting table (21);
C, rotate and to rotate in a circumferential direction handwheel (26), cylindricality rock sample is made to carry out circumference polishing along round die block (23), after having polished, close polishing motor (34), unclamp the vertical back-up wrench of cutting table (21) and worktable back-up wrench, fall cutting table (15) and platform of deactivating, take off the cylindricality rock sample prepared.
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| CN201410596473.2A CN104406828B (en) | 2014-10-30 | 2014-10-30 | Weak-interface and low-strength rock sample making apparatus and sample making method thereof |
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| CN201410596473.2A CN104406828B (en) | 2014-10-30 | 2014-10-30 | Weak-interface and low-strength rock sample making apparatus and sample making method thereof |
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| Publication Number | Publication Date |
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| CN104406828A true CN104406828A (en) | 2015-03-11 |
| CN104406828B CN104406828B (en) | 2017-01-25 |
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| CN201410596473.2A Expired - Fee Related CN104406828B (en) | 2014-10-30 | 2014-10-30 | Weak-interface and low-strength rock sample making apparatus and sample making method thereof |
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| CN105823660A (en) * | 2016-03-15 | 2016-08-03 | 合肥工业大学 | Manufacturing method of soft rock undisturbed sample |
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| CN106092699A (en) * | 2016-08-15 | 2016-11-09 | 华北水利水电大学 | The three-dimensional interrupted through crack producing device of cuboid rock sample and method |
| CN106216759A (en) * | 2016-09-07 | 2016-12-14 | 惠州市嘉隆达科技有限公司 | A kind of continuous material cutter sweep |
| CN106216759B (en) * | 2016-09-07 | 2020-07-17 | 惠州市嘉隆达科技有限公司 | Continuous material cutting device |
| CN106769332A (en) * | 2017-02-11 | 2017-05-31 | 中国矿业大学(北京) | A kind of multifunction sample process equipment and application method |
| CN106903809A (en) * | 2017-04-24 | 2017-06-30 | 河南理工大学 | Coal and rock test specimen structural plane cuts technique for grinding |
| CN106903809B (en) * | 2017-04-24 | 2018-08-24 | 河南理工大学 | Coal and rock test specimen structural plane cuts technique for grinding |
| CN107737659A (en) * | 2017-11-07 | 2018-02-27 | 徐州工程学院 | One kind is used for soil sample processing unit in underground engineering wastewater treatment integrated equipment |
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Inventor after: Li Yuwei Inventor after: Zhang Jun Inventor after: Cui Xiaona Inventor after: Bai Mingxing Inventor after: Jia Dan Inventor after: Bao Yunhe Inventor before: Li Yuwei Inventor before: Zhang Jun Inventor before: Ai Chi Inventor before: Feng Fuping Inventor before: Gao Changlong Inventor before: Zeng Jia |
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