CN103076233B - Triaxial rheological tester - Google Patents
Triaxial rheological tester Download PDFInfo
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- CN103076233B CN103076233B CN201210590868.2A CN201210590868A CN103076233B CN 103076233 B CN103076233 B CN 103076233B CN 201210590868 A CN201210590868 A CN 201210590868A CN 103076233 B CN103076233 B CN 103076233B
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Abstract
A triaxial rheological tester belongs to the technical field of geological testing instruments and comprises a machine frame, wherein a main hydraulic cylinder system, a first branch hydraulic cylinder system, a second branch hydraulic cylinder system and a third branch hydraulic cylinder system are placed on the machine frame; one end of the main hydraulic cylinder system is communicated with a first oil guide pipe; a first piston is mounted on the first oil guide pipe; a tube cap is mounted outside the first oil guide pipe; the lower end of the outer surface of the tube cap is connected with a loading plate; three oil circuits of the main hydraulic cylinder system are respectively in movable connection with the front parts of one sides of a first lever, a second lever and a third lever; the three branch hydraulic cylinder systems are respectively in movable connection with the rear parts of one sides of the first, second and third levers; movable pivot structures are mounted on the other sides of the first, the second and the third levers; and the three branch hydraulic cylinders are respectively connected with a first fixed block, a second fixed block and a third fixed block and respectively communicated with an oil pump. The triaxial rheological tester can be used for continuous mechanical testing of various different rocks for hundreds of hours, can obtain accurate measurement testing data and is low in cost.
Description
Technical field
The present invention relates to a kind of geological test instrument, relate to specifically a kind of three-axis rheological testing machine of measuring rock rheology.
Background technology
Rock rheological property can be the creep, stress relaxation of rock, the dilatation relevant with the time, and the characteristic such as the time effect of intensity.By study of rocks rheological property, can analyze rock engineering long-time stability and ground learn in many major issues.
Shop experiment rock rheological property can play a very important role the development of rock mechanical.In recent years, increasing scholar begins one's study, has also in succession developed some Rock And Soil rheological test machines both at home and abroad.At present, measure rock rheological property can surveying instrument only have uniaxial rheology testing machine, it is mainly to be done work rock is carried out to the constant voltage application of force by servomotor, measures the stress, strain of rock over time.But there is following shortcoming in this uniaxial rheology testing machine: can only carry out single shaft to pressure measurement, the rock field of load of measurement is narrow, and measurement result accuracy rate is low; Do power with servomotor, easily cause test to cut off because having a power failure; Do power with servomotor the pressure of rock is existed to fluctuation, can not keep constant always, the test figure of measuring is like this inaccurate; Do power with servomotor, cost is high.
Summary of the invention
The object of this invention is to provide a kind of three-axis rheological testing machine, it can carry out mechanical test to multiple different rocks, can reach a hundreds of hour long run test, and the test figure of measuring is accurate, and cost is low.
In order to realize such scheme, technical solution of the present invention is: a kind of three-axis rheological testing machine, comprising frame, in described frame, be placed with main hydraulic cylinder be connected with oil pump first, two, three hydraulic cylinders, described main hydraulic cylinder comprises Master cylinder body and is installed on a Master cylinder body left side, two master cylinder pistons of right two sides, one end vertical connection of one of them master cylinder piston and L shaped the first oil guide pipe, on described the first oil guide pipe, the first controllable valve is installed, below described the first oil guide pipe, be fixed on the upper end of the first bracing frame, first piston is installed in the inner chamber upper end of described the first oil guide pipe, the outside surface upper end mounting cylinder cap of described the first oil guide pipe, described cylinder cap and first piston are fixed together, the outside surface lower end of described cylinder cap is vertically connected with load plate, one end vertical connection of another master cylinder piston and the second oil guide pipe is fixed, and described the second oil guide pipe is respectively with the 3rd, one end of four oil guide pipes is communicated with, and described second, three, four oil guide pipes are parallel to each other, and described second, three, on four oil guide pipes, be separately installed with second, three, four controllable valves, described second, three, the other end of four oil guide pipes respectively air-tight movable connects first, two, three piston rods, described first, two, the other end of three piston rods is respectively with first, two, three Connection Blocks connect, and described first, two, one side of three Connection Blocks be respectively equipped be parallel to each other first, two, three levers, before described the first lever one side, rear portion is separately installed with can be along first of activity before and after its side, four contiguous blocks, the opposite side of described the first lever is movably installed with can be along the first movable fulcrum Connection Block before and after its side, before described the second lever one side, rear portion is separately installed with can be along second of activity before and after its side, five contiguous blocks, the opposite side of described the second lever is movably installed with can be along the second movable fulcrum Connection Block before and after its side, before described the 3rd lever one side, rear portion is separately installed with can be along the 3rd of activity before and after its side, six contiguous blocks, the opposite side of described the 3rd lever is movably installed with can be along the 3rd movable fulcrum Connection Block before and after its side, described first, two, three Connection Blocks are respectively with first, two, three contiguous blocks are articulated and connected, and described first hydraulic cylinder comprises the first cylinder body and be installed on a first cylinder body left side, two first cylinder pistons of right flank, on one of them first cylinder piston, connect the first fixed block, on another first cylinder piston, fix with one end vertical connection of the 5th oil guide pipe, described the first cylinder body is communicated with the main oil pipe on described oil pump by first point of branch oil pipe, the 5th controllable valve is installed on described main oil pipe, on described first point of branch oil pipe, the 6th controllable valve is installed, the other end air-tight movable of described the 5th oil guide pipe connects the 4th piston rod, the other end of described the 4th piston rod is connected with the 4th Connection Block, described the 4th Connection Block and the 4th contiguous block are articulated and connected, and described second hydraulic cylinder comprises the second cylinder body and be installed on before the second cylinder body, two second cylinder pistons below, on one of them second cylinder piston, connect the second fixed block, on another second cylinder piston, fix with one end vertical connection of the 6th oil guide pipe, described the second cylinder body is communicated with the main oil pipe on oil pump by second point of branch oil pipe, on described second point of branch oil pipe, the 7th controllable valve is installed, the other end air-tight movable of described the 6th oil guide pipe connects the 5th piston rod, the other end of described the 5th piston rod is connected with the 5th Connection Block, described the 5th Connection Block and the 5th contiguous block are articulated and connected, and described the 3rd hydraulic cylinder comprises the 3rd cylinder body and be installed on the 3rd cylinder body, two the 3rd cylinder pistons below, connect the 3rd fixed block, described first on one of them the 3rd cylinder piston, two, vertical and adjacent spaces setting mutually between three fixed blocks, described first, two, three fixed blocks are all positioned at the top of the sample platform in frame, one end vertical connection of another the 3rd cylinder piston and the 7th oil guide pipe is fixed, described the 3rd cylinder body is communicated with the main oil pipe on oil pump by the 3rd point of branch oil pipe, on described the 3rd point of branch oil pipe, the 8th controllable valve is installed, the other end air-tight movable of described the 7th oil guide pipe connects the 6th piston rod, the other end of described the 6th piston rod is connected with the 6th Connection Block, described the 6th Connection Block and the 6th contiguous block are articulated and connected, and described first, two, the other end of three fulcrum Connection Blocks is respectively with the 4th, five, six fulcrum Connection Blocks are articulated and connected, and the described the 4th, five, six fulcrum Connection Blocks can before and after movable be installed on first, two, on three fixed racks, described first, two, three fixed racks are positioned in frame.
Three-axis rheological testing machine of the present invention, is provided with the first tensimeter on wherein said first point of branch oil pipe, on described second point of branch oil pipe, the second tensimeter is installed, and on described the 3rd point of branch oil pipe, the 3rd tensimeter is installed.
Three-axis rheological testing machine of the present invention, a left side for wherein said the first lever, right side is respectively equipped with the first open slot that connects its front-back, described first, four contiguous blocks slide a side located therein the first open slot before, rear portion, slides and is provided with described the first fulcrum Connection Block, a left side for described the second lever in the first open slot described in opposite side, right side is respectively equipped with the second open slot that connects its front-back, described second, five contiguous blocks slide a side located therein the first open slot before, rear portion, slides and is provided with described the second fulcrum Connection Block, a left side for described the 3rd lever in the second open slot described in opposite side, right flank is respectively equipped with the 3rd open slot that connects its front-back, the described the 3rd, six contiguous blocks slide a side located therein the 3rd open slot before, rear portion, slides and is provided with described the 3rd fulcrum Connection Block, described first in the 3rd open slot described in opposite side, two, one side of three fixed racks is respectively equipped with and connects the 4th of its front-back, five, six open slots, the described the 4th, five, six fulcrum Connection Blocks slide respectively and are located at the 4th, five, in six open slots.
Three-axis rheological testing machine of the present invention, wherein said first, two, the xsect of three open slots is T-shaped, described first, two, three, four, five, six contiguous blocks are inserted in corresponding first, two, the xsect of three open slot parts and first, two, the shape of cross section of three open slots is corresponding, on described the first Connection Block, be provided with the first insertion slot with the first contiguous block opposite face, one end of described the first contiguous block is inserted in the first insertion slot, described the first contiguous block and the first Connection Block are hinged by bearing pin, on described the second Connection Block, be provided with the second insertion slot with the second contiguous block opposite face, one end of described the second contiguous block is inserted in the second insertion slot, described the second contiguous block and the second Connection Block are hinged by bearing pin, on described the 3rd Connection Block, be provided with the 3rd insertion slot with the 3rd contiguous block opposite face, one end of described the 3rd contiguous block is inserted in the 3rd insertion slot, described the 3rd contiguous block and the 3rd Connection Block are hinged by bearing pin, on described the 4th Connection Block, be provided with the 4th insertion slot with the 4th contiguous block opposite face, one end of described the 4th contiguous block is inserted in the 4th insertion slot, described the 4th contiguous block and the 4th Connection Block are hinged by bearing pin, on described the 5th Connection Block, be provided with the 5th insertion slot with the 5th contiguous block opposite face, one end of described the 5th contiguous block is inserted in the 5th insertion slot, described the 5th contiguous block and the 5th Connection Block are hinged by bearing pin, on described the 6th Connection Block, be provided with the 6th insertion slot with the 6th contiguous block opposite face, one end of described the 6th contiguous block is inserted in the 6th insertion slot, described the 6th contiguous block and the 6th Connection Block are hinged by bearing pin.
Three-axis rheological testing machine of the present invention, on wherein said the first fulcrum Connection Block, be provided with the 7th insertion slot with the 4th fulcrum Connection Block opposite face, one end of described the 4th fulcrum Connection Block is inserted in the 7th insertion slot, described first, between four fulcrum Connection Blocks, link together by bearing pin, on described the second fulcrum Connection Block, be provided with the 8th insertion slot with the 5th fulcrum Connection Block opposite face, one end of described the 5th fulcrum Connection Block is inserted in the 8th insertion slot, described second, between five fulcrum Connection Blocks, link together by bearing pin, on described the 3rd fulcrum Connection Block, be provided with the 9th insertion slot with the 6th fulcrum Connection Block opposite face, one end of described the 6th fulcrum Connection Block is inserted in the 9th insertion slot, the described the 3rd, between six fulcrum Connection Blocks, link together by bearing pin.
Three-axis rheological testing machine of the present invention, wherein said first, two, on three fixed racks, be equipped with respectively first, two, three sliding seats, described first, two, three sliding seats are respectively with the 4th, five, six fulcrum Connection Blocks are fixed together, described first, two, the upper surface of three sliding seats is fixed with respectively first, two, three pointers, described first, two, three pointers are respectively perpendicular to first, two, three fixed racks, described first, two, one side of three sliding seats is vertically connected with first respectively, two, three set bolts, described first, two, the upper surface of three set bolts is connected with respectively first, two, three scales, described first, two, three scales and first, two, three fixed racks are parallel.
Three-axis rheological testing machine of the present invention, wherein said first, second and third fixed rack is welded by the C shaped steel of inverted joist steel and joist steel side.
Adopt after such scheme, three-axis rheological testing machine of the present invention is by being communicated with main hydraulic cylinder with the first oil guide pipe, the first piston that the first oil guide pipe other end plays plugging action is connected with cylinder cap, connect load plate at cylinder cap outboard end, when use, first determine rock sample is done to uniaxial test or twin shaft test or the experiment of three axles, after determining, by the corresponding controllable valve on the main hydraulic cylinder oil circuit of using, the corresponding controllable valve propping up on hydraulic cylinder oil circuit is all opened, other controllable valve is closed, rock sample is placed in the sample platform of frame, open oil pump, the fixed block propping up on hydraulic cylinder that rock sample is used to is compressed, close afterwards oil pump, then regulate the oil circuit being communicated with main hydraulic cylinder used, the position of the fulcrum Connection Block on the lever that the oil circuit that hydraulic cylinder is communicated with connects, the power that makes to be applied on lever is greater than the power of lever output to the distance of fulcrum Connection Block to the distance of fulcrum Connection Block, after adjusting, in load plate, place the counterweight of required weight, the gravity of counterweight makes first piston be subject to downward pressure, thereby make the hydraulic oil in the first oil guide pipe be subject to downward pressure, because hydraulic oil pressure everywhere in main hydraulic cylinder is identical, the cross-sectional area at main hydraulic cylinder feed liquor force feed place is the cross-sectional area of the first oil guide pipe, the cross-sectional area at main hydraulic cylinder output hydraulic pressure oil place is master cylinder piston cross-sectional area, therefore the pressure at output hydraulic pressure oil place becomes large, and this pressure is the weight that master cylinder piston cross-sectional area and the ratio of the first oil guide pipe cross-sectional area are multiplied by counterweight, so just the Weight gravity being placed in load plate is carried out once amplifying, power after this amplification is applied to main hydraulic cylinder used and is communicated with on the piston rod on oil circuit, it is positioned at the front portion of place lever, according to principle of moment balance, the suffered power of the back-connected piston rod of corresponding lever is exaggerated, its enlargement factor is: the Connection Block that corresponding lever upper forepart connects is to the fulcrum Connection Block distance and the ratio of the back-connected Connection Block of this lever to fulcrum Connection Block distance that connect on this lever, the back-connected piston rod of corresponding lever is connected with the oil circuit that corresponding hydraulic cylinder is communicated with, it is identical with the Force principle of main hydraulic cylinder, in each hydraulic cylinder using, hydraulic oil pressure is everywhere identical, hydraulic oil cross-sectional area when inputting into hydraulic cylinder is less than the hydraulic oil cross-sectional area in a hydraulic cylinder, therefore pressure when corresponding hydraulic cylinder output hydraulic pressure is oily is amplified again, enlargement factor is the ratio of the oil guide pipe cross-sectional area that is communicated with this hydraulic cylinder of the cylinder piston cross-sectional area of corresponding hydraulic cylinder, amplify Weight gravity through three times like this, meet the power being applied on rock sample, the present invention can carry out mechanical test to multiple different rocks by the counterweight by little weight, due to its can be respectively to rock carry out X to or Y-direction or Z-direction or XY to XZ to or YZ to or XYZ to experiment, make to measure the suffered power of rock in actual conditions that more approaches, it is more accurate that its result detects than existing single shaft, and it passes through hydraulic work system, the time marquis of electricity consumption is little, it can reach a hundreds of hour long run test, its cost is low.
Further beneficial effect of the present invention is: by the first tensimeter being installed on first point of branch oil pipe, on second point of branch oil pipe, the second tensimeter is installed, on the 3rd point of branch oil pipe, the 3rd tensimeter is installed, more accurate in order to ensure test result, there is error in the value of measuring when size and the actual pressure table of the envision power on rock sample that is applied to, can, by adjusting the position of the fulcrum Connection Block on corresponding lever, the force value of actual measurement be conformed to anticipation value, make to detect more accurate.
Further beneficial effect of the present invention is: by the first open slot that connects its front-back is set at the first lever left and right side, make slide the first open slot front and rear portions of a side located therein of first, fourth contiguous block, in opposite side the first open slot, slide and establish the first fulcrum Connection Block, convenient first, fourth contiguous block and the first position of fulcrum Connection Block on the first lever adjusted of design like this, convenient processing in addition; Establish the second open slot that connects its front-back at the second lever left and right side, the first open slot front and rear portions of make second, five contiguous blocks sliding a side located therein, in opposite side the second open slot, slide the second fulcrum Connection Block is set, the convenient adjustment second of design like this, five contiguous blocks and the second position of fulcrum Connection Block on the second lever, in addition convenient processing; The 3rd open slot that connects its front-back is set at the left and right side of the 3rd lever, make slide the 3rd open slot front and rear portions of a side located therein of the 3rd, six contiguous blocks, in opposite side the 3rd open slot, slide the 3rd fulcrum Connection Block is set, convenient the 3rd, six contiguous blocks and the position of the 3rd fulcrum Connection Block on the 3rd lever adjusted of design like this, convenient processing in addition; First, second and third fixed rack one side arrange connect its front-back fourth, fifth, six open slots, and fourth, fifth, six fulcrum Connection Blocks slide respectively and be located at fourth, fifth, in six open slots, the convenient adjustment fourth, fifth of design like this, the six fulcrum Connection Blocks position on first, second and third fixed rack respectively, in addition convenient processing.
Further beneficial effect of the present invention is: by by first, two, the xsect of three open slots and first, two, three, four, five, six contiguous blocks are inserted in corresponding first, two, the xsect of three open slot parts is all set to T-shaped, its objective is and make first, four contiguous blocks can move forward and backward in the first open slot, and can not deviate from from the side of the first open slot, second, five contiguous blocks can move forward and backward in the second open slot, and can not deviate from from the side of the second open slot, the 3rd, six contiguous blocks can move forward and backward in the 3rd open slot, and can not deviate from from the side of the 3rd open slot, the first insertion slot will be established on the first Connection Block, facilitate the first Connection Block to be connected with the first contiguous block, on the second Connection Block, establish the second insertion slot, being convenient to work the second Connection Block is connected with the second contiguous block, on the 3rd Connection Block, establish the 3rd insertion slot, facilitate the 3rd Connection Block to be connected with the 3rd contiguous block, on the 4th Connection Block, establish the 4th insertion slot, facilitate the 4th Connection Block to be connected with the 4th contiguous block, on the 5th Connection Block, establish the 5th insertion slot, facilitate the 5th Connection Block to be connected with the 5th contiguous block, on the 6th Connection Block, establish the 6th insertion slot, facilitate the 6th Connection Block to be connected with the 6th contiguous block.
Further beneficial effect of the present invention is: establish the 7th insertion slot at the first fulcrum Connection Block, facilitate the connection of first, fourth fulcrum Connection Block, on the second fulcrum Connection Block, establish the 8th insertion slot, facilitate second, the connection of five fulcrum Connection Blocks, on the 3rd fulcrum Connection Block, establish the 9th insertion slot, facilitate the connection of the 3rd, six fulcrum Connection Blocks.
Further beneficial effect of the present invention is: first, two, on three fixed racks, be nested with respectively first, two, three sliding seats, make first, two, three sliding seats are respectively with the 4th, five, six fulcrum Connection Blocks are fixed, and first, two, the upper surface of three sliding seats fixes respectively first, two, three pointers, first, two, one side of three sliding seats is vertical respectively connects first, two, three set bolts, first, two, three set bolt upper surfaces connect respectively first, two, three scales, make first, two, three scales and first, two, three fixed racks are parallel, design is for conveniently regulating and controlling first like this, two, the position of three fulcrum Connection Blocks, make it adjust position more accurate, and easily read.
Further beneficial effect of the present invention is: first, second and third fixed rack is all designed to be welded by the C shaped steel of being inverted joist steel and joist steel side, and it is easy to processing and manufacturing.
Brief description of the drawings
Fig. 1 is three-axis rheological testing machine perspective view of the present invention;
Fig. 2 is the three-dimensional exploded view that three-axis rheological testing machine of the present invention removes frame;
Fig. 3 is the stereographic map that three-axis rheological testing machine of the present invention removes frame.
Embodiment
As shown in Figure 1 to Figure 3, three-axis rheological testing machine of the present invention, comprises frame 1.In frame 1 for first hydraulic cylinder 4 of being placed with main hydraulic cylinder 2 and be connected with oil pump 3 respectively, second hydraulic cylinder 5 and the 3rd hydraulic cylinder 6 and interconnective pipe oil guide pipe between them thereof.Main hydraulic cylinder 2 comprises Master cylinder body 7 and is installed on two master cylinder pistons 8 of Master cylinder body 7 arranged on left and right sides faces.The left end vertical connection of right hand master cylinder piston 8 and L shaped the first oil guide pipe 9, is provided with the first controllable valve 10 on the first oil guide pipe 9.Below the first oil guide pipe 9, be fixed on the upper end of the first bracing frame 11.The first oil guide pipe 9 right part inner chamber upper ends are provided with first piston 12, for the hydraulic oil of shutoff the first oil guide pipe 9.The outside surface upper end mounting cylinder cap 13 of the first oil guide pipe 9, together with cylinder cap 13 is welded and fixed with first piston 12.The outside surface lower end of cylinder cap 13 is vertically welded with circular load plate 14.Be used for placing counterweight.The right-hand member vertical connection of left hand master cylinder piston 8 and the second oil guide pipe 15 is also welded and fixed.The second oil guide pipe 15 is communicated with one end of the 3rd oil guide pipe 16 and the 4th oil guide pipe 17 respectively.Between the second oil guide pipe 15, the 3rd oil guide pipe 16 and the 4th oil guide pipe 17, be parallel to each other.On the second oil guide pipe 15, the 3rd oil guide pipe 16 and the 4th oil guide pipe 17, be separately installed with the second controllable valve 18, the 3rd controllable valve 19 and the 4th controllable valve 20.The left end air-tight movable of the second oil guide pipe 15 connects first piston bar 21.The left end air-tight movable of the 3rd oil guide pipe 16 connects the second piston rod 22.The right-hand member air-tight movable of the 4th oil guide pipe 17 connects the 3rd piston rod 23.The left end of first piston bar 21 is connected with the first Connection Block 24.The left end of the second piston rod 22 is connected with the second Connection Block 25.The right-hand member of the 3rd piston rod 23 is connected with the 3rd Connection Block 26.The second Connection Block 25 be positioned at the first Connection Block 24 under.The 3rd Connection Block 26 is positioned at the below, right side of the first Connection Block 24.The left of the first Connection Block 24 is provided with the first lever 27.The left of the second Connection Block 25 is provided with the second lever 28.Right-hand the 3rd lever 29 that is provided with of the 3rd Connection Block 26.The second lever 28 be positioned at the first lever 27 under.The 3rd lever 29 is positioned at the below, right side of the first lever 27.Between the first lever 27, the second lever 28 and the 3rd lever 29, be parallel to each other.The xsect that the left and right side of the first lever 27 is processed with respectively its front-back of perforation is the first T-shaped open slot 75.The front and rear portions of right side the first open slot 75 slidably connects respectively the first contiguous block 30 and the 4th contiguous block 31.The first contiguous block 30, the 4th contiguous block 31 are corresponding with first xsect of open slot 75 plant coupling parts and the xsect of the first open slot 75, and it is also T-shaped.In the first open slot 75 of left side, the first fulcrum Connection Block 32 is installed.The xsect that the left and right side of the second lever 28 is processed with respectively its front-back of perforation is the second T-shaped open slot 76.The front and rear portions of right side the second open slot 76 slidably connects respectively the second contiguous block 33 and the 5th contiguous block 34.The second contiguous block 33, the 5th contiguous block 34 are corresponding with second shape of cross section of open slot 76 plant coupling parts and the shape of cross section of the second open slot 76, and it is also T-shaped.In the second open slot 76 of left side, be slidably fitted with the second fulcrum Connection Block 35.The xsect that the left and right side of the 3rd lever 29 is processed with respectively its front-back of perforation is the 3rd T-shaped open slot 77.The front and rear portions of left side the 3rd open slot 77 slidably connects respectively the 3rd contiguous block 36 and the 6th contiguous block 37.The 3rd contiguous block 36, the 6th contiguous block 37 are corresponding with the 3rd shape of cross section of open slot 77 plant coupling parts and the shape of cross section of the 3rd open slot 77, and it is also T-shaped.The first Connection Block 24 and the first contiguous block 30 are oppositely arranged.The right-hand member that the left end of the first Connection Block 24 is processed with the first insertion slot 81, the first contiguous blocks 30 is inserted in the first insertion slot 81, and the first contiguous block 30 and the first Connection Block 24 are hinged by bearing pin.The left end of the second Connection Block 25 is processed with the second insertion slot 82.The right-hand member of the second contiguous block 33 is inserted in the second insertion slot 82, and the second contiguous block 33 and the second Connection Block 25 are hinged by bearing pin.The right-hand member of the 3rd Connection Block 26 is processed with the 3rd insertion slot 83.The left end of the 3rd contiguous block 36 is inserted in the 3rd insertion slot 83, and the 3rd contiguous block 36 and the 3rd Connection Block 26 are hinged by bearing pin.The right-hand member of the 4th contiguous block 31 is connected with the 4th Connection Block 49.The left end of the 4th Connection Block 49 is processed with the 4th insertion slot 84.The right-hand member of the 4th contiguous block 31 is inserted in the 4th insertion slot 84, and the 4th contiguous block 31 and the 4th Connection Block 49 are hinged by bearing pin.The right-hand member of the 5th contiguous block 34 is connected with the 5th Connection Block 58.The left end of the 5th Connection Block 58 is processed with the 5th insertion slot 85.The right-hand member of the 5th contiguous block 34 is inserted in the 5th insertion slot 85, and the 5th contiguous block 34 and the 5th Connection Block 58 are hinged by bearing pin.The right-hand member of the 6th contiguous block 37 is connected with the 6th Connection Block 68.The right-hand member of the 6th Connection Block 68 is processed with the 6th insertion slot 86.The left end of the 6th contiguous block 37 is inserted in the 6th insertion slot 86, and the 6th contiguous block 37 and the 6th Connection Block 68 are hinged by bearing pin.The right-hand member of the 4th Connection Block 49 and the 4th piston rod 48 weld together.The right-hand member of the 4th piston rod 48 is connected with the 5th oil guide pipe 42 air-tight movables.The right-hand member of the 5th oil guide pipe 42 is provided with first hydraulic cylinder 4.First hydraulic cylinder 4 comprises that the first cylinder body 39 and air-tight movable are connected in two first cylinder pistons 40 at the first cylinder body 39 left and right two ends.The right-hand member of first the cylinder piston 40 in left side and the 5th oil guide pipe 42 is vertical to communicate and is welded and fixed.The right flank of first the cylinder piston 40 in right side and the first fixed block 41 weld together.The first cylinder body 39 is communicated with the main oil pipe 44 on oil pump 3 by first point of branch oil pipe 43.The 5th controllable valve 45 is installed on main oil pipe 44.The 6th controllable valve 46 and the first tensimeter 47 are installed on first point of branch oil pipe 43.The right-hand member of the 5th Connection Block 58 and the 5th piston rod 57 weld together.The right-hand member of the 5th piston rod 57 is connected with the 6th oil guide pipe 53 air-tight movables.The rear end of the 6th oil guide pipe 53 is provided with second hydraulic cylinder 5.Second hydraulic cylinder 5 comprises that the second cylinder body 50 and air-tight movable are connected in two second cylinder pistons 51 of forward and backward of the second cylinder body 50.One end of second cylinder piston 51 and the 6th oil guide pipe 53 is vertical above communicates and is welded and fixed.Welding together with the second fixed block 52 below of second cylinder piston 51 next.The second cylinder body 50 is communicated with the main oil pipe 44 on oil pump 3 by second point of branch oil pipe 54.The 7th controllable valve 55 and the second tensimeter 56 are installed on second point of branch oil pipe 54.The left end of the 6th Connection Block 68 and the 6th piston rod 67 weld together.The left end of the 6th piston rod 67 is connected with the 7th oil guide pipe 63 air-tight movables.The other end of the 7th oil guide pipe 63 is provided with the 3rd hydraulic cylinder 6.The 3rd hydraulic cylinder 6 comprises that the 3rd cylinder body 59 and air-tight movable are connected in two the 3rd cylinder pistons 60 of the 3rd cylinder body 59 above and below.The 3rd cylinder piston 60 communicates and is welded and fixed with the 7th oil guide pipe 63 is vertical above.Below the 3rd cylinder piston 60, weld together with the 3rd fixed block 61 below.Vertical and adjacent spaces setting mutually between the first fixed block 41, the second fixed block 52 and the 3rd fixed block 61.The first fixed block 41, the second fixed block 52 and the 3rd fixed block 61 are all positioned at the top of the sample platform 62 in frame 1, and the 3rd cylinder body 59 is communicated with the main oil pipe 44 on oil pump 3 by the 3rd point of branch oil pipe 64.The 8th controllable valve 65 and the 3rd tensimeter 66 are installed on the 3rd point of branch oil pipe 64.
The left end of the first fulcrum Connection Block 32 is connected with the 4th fulcrum Connection Block 69.The left end of the first fulcrum Connection Block 32 is processed with the 7th insertion slot 87.The right-hand member of the 4th fulcrum Connection Block 69 is inserted in the 7th insertion slot 87, between the first fulcrum Connection Block 32 and the 4th fulcrum Connection Block 69, links together by bearing pin.The left of the first lever 27 is provided with the first fixed rack 72, the first fixed racks 72 and is welded with the C shaped steel that is positioned at right part by the inversion joist steel that is positioned at left part.The right flank of the first fixed rack 72 has the 4th open slot 78 that connects its front-back.The left end of the 4th fulcrum Connection Block 69 is slidably plugged in the 4th open slot 78.On the first fixed rack 72, be equipped with the first sliding seat 90.The first sliding seat 90 and the 4th fulcrum Connection Block 69 are fixed together, and such the first sliding seat 90 can slide with before and after the 4th fulcrum Connection Block 69 is on the first fixed rack 72.The upper surface of the first sliding seat 90 is fixed with the first pointer 93, the first pointers 93 perpendicular to the first fixed rack 72.It is parallel with the first fixed rack 72 that the upper surface that the left surface of the first sliding seat 90 is vertically welded with the first set bolt 96, the first set bolts 96 is connected with the first scale 99, the first scales 99.
The second fulcrum Connection Block 35 left ends are connected with the 5th fulcrum Connection Block 70.The left end of the second fulcrum Connection Block 35 is processed with the 8th insertion slot 88.The right-hand member of the 5th fulcrum Connection Block 70 is inserted in the 8th insertion slot 88, between the second fulcrum Connection Block 35 and the 5th fulcrum Connection Block 70, links together by bearing pin.The left of the second lever 28 is provided with the second fixed rack 73, the second fixed racks 73 and is welded with the C shaped steel that is positioned at right part by the inversion joist steel that is positioned at left part.The right flank of the second fixed rack 73 has the 5th open slot 79 that connects its front-back.The left end of the 5th fulcrum Connection Block 70 is slidably plugged in the 5th open slot 79.On the second fixed rack 73, be equipped with the second sliding seat 91.The second sliding seat 91 and the 5th fulcrum Connection Block 70 are fixed together, and such the second sliding seat 91 can slide with before and after the 5th fulcrum Connection Block 70 is on the second fixed rack 73.The upper surface of the second sliding seat 91 is fixed with the second pointer 94, the second pointers 94 perpendicular to the second fixed rack 73.It is parallel with the second fixed rack 73 that the upper surface that the left surface of the second sliding seat 91 is vertically welded with the second set bolt 97, the second set bolts 97 is connected with the second scale 100, the second scales 100.
The right-hand member of the 3rd fulcrum Connection Block 38 is connected with the 6th fulcrum Connection Block 71.The right-hand member of the 3rd fulcrum Connection Block 38 is processed with the 9th insertion slot 89.The left end of the 6th fulcrum Connection Block 71 is inserted in the 9th insertion slot 89, between the 3rd fulcrum Connection Block 38 and the 6th fulcrum Connection Block 71, links together by bearing pin.Right-hand the 3rd fixed rack 74 that is provided with of the 3rd lever 29.The shape symmetry of the shape of the 3rd fixed rack 74 and the first fixed rack 72, the second fixed rack 73.The left surface of the 3rd fixed rack 74 has the 6th open slot 80 that connects its front-back.The right-hand member of the 6th fulcrum Connection Block 71 is slidably plugged in the 6th open slot 80.On the 3rd fixed rack 74, be equipped with the 3rd sliding seat 92.The 3rd sliding seat 92 and the 6th fulcrum Connection Block 71 are fixed together.Such the 3rd sliding seat 92 can slide with before and after the 6th fulcrum Connection Block 71 is on the 3rd fixed rack 74.The upper surface of the 3rd sliding seat 92 is fixed with the 3rd pointer 95, the three pointers 95 perpendicular to the 3rd fixed rack 74.It is parallel with the 3rd fixed rack 74 that the upper surface that the right flank of the 3rd sliding seat 92 is vertically welded with the 3rd set bolt 98, the three set bolts 98 is connected with the 3rd scale 101, the three scales 101.The first fixed rack 72, the second fixed rack 73 and the 3rd fixed rack 74 are all positioned in frame 1.
When use, in the time that needs carry out three axial testing experiments to rock sample, by the first controllable valve 10 on the first oil guide pipe 9 being communicated with main hydraulic cylinder 2, the second controllable valve 18 on the second oil guide pipe 15, the 4th controllable valve 20 on the 3rd controllable valve 19 and the 4th oil guide pipe 17 on the 3rd oil guide pipe 16 is all opened, by the 6th controllable valve 46 on the first point of branch oil pipe 43 being communicated with first hydraulic cylinder 4, the 8th controllable valve 65 on the 7th controllable valve 55 on the second point of branch oil pipe 54 being communicated with second hydraulic cylinder 5 and the 3rd point of branch oil pipe 64 being communicated with the 3rd hydraulic cylinder 6 is all opened, rock sample is placed in the sample platform 62 of frame 1, open oil pump 3, make rock sample by the first fixed block 41 on first hydraulic cylinder 4, the 3rd fixed block 61 on the second fixed block 52 on second hydraulic cylinder 5 and the 3rd hydraulic cylinder 6 compresses, close afterwards oil pump 3, then regulate respectively the position of the first fulcrum Connection Block 32 on the first lever 27, the position of the 3rd fulcrum Connection Block 38 on the position of the second fulcrum Connection Block 35 on the second lever 28 and the 3rd lever 29, make to be applied to power on the first lever 27 and be greater than power that the first lever 27 the exports distance to the first fulcrum Connection Block 32 to the distance of the first fulcrum Connection Block 32, make to be applied to power on the second lever 28 and be greater than power that the second lever 28 the exports distance to the second fulcrum Connection Block 35 to the distance of the second fulcrum Connection Block 35, the distance that makes to be applied to power to the three fulcrum Connection Blocks 38 on the 3rd lever 29 is greater than the distance of power to the three fulcrum Connection Blocks 38 that the 3rd lever 29 exports, the adjustment of the first fulcrum Connection Block 32 is according to being: the xsect ratio that the weight that add counterweight is multiplied by master cylinder piston 8 and the first oil guide pipe 9, be multiplied by again the xsect ratio of first cylinder piston 40 and the 5th oil guide pipe 42, the first fixed block 41 of anticipation is imposed on to power on rock sample divided by above-mentioned calculated numerical value, be the adjustment basis of the first fulcrum Connection Block 32, this numerical value is the distance of the first fulcrum Connection Block 32 to first contiguous blocks 30 and the first fulcrum Connection Block 32 ratio to the distance of the 4th contiguous block 31.And the adjustment mode of the second fulcrum Connection Block 35 and the 3rd fulcrum Connection Block 38 and the first fulcrum Connection Block 32 is identical.
By the first fulcrum Connection Block 32, after adjust the position of the second fulcrum Connection Block 35 and the 3rd fulcrum Connection Block 38, in load plate 14, place the counterweight of the weight of wanting, the gravity of counterweight makes first piston 12 be subject to downward pressure, thereby make the hydraulic oil in the first oil guide pipe 9 be subject to downward pressure, because the hydraulic oil pressure in main hydraulic cylinder 2 is identical, the cross-sectional area at main hydraulic cylinder 2 feed liquor force feed places is the cross-sectional area of the first oil guide pipe 8, the cross-sectional area that main hydraulic cylinder 2 output hydraulic pressure oil places are master cylinder piston 8, the pressure at output hydraulic pressure oil place becomes large, and the cross-sectional area that this pressure is master cylinder piston 8 and the ratio of the cross-sectional area of the first oil guide pipe 9 are multiplied by the weight of added counterweight, so just the Weight gravity being placed in load plate 14 is carried out once amplifying, pressure after this amplification is applied to first piston bar 21, on the second piston rod 22 and the 3rd piston rod 23, according to principle of moment balance, the 4th piston rod 48, the suffered power of the 5th piston rod 57 and the 6th piston rod 67 is by corresponding amplification, its enlargement factor is respectively the ratio of the distance of distance between the first contiguous block 30 to first fulcrum Connection Blocks 32 and the 4th contiguous block 31 to first fulcrum Connection Blocks 32, the ratio of the distance of the distance of the second contiguous block 33 to second fulcrum Connection Blocks 35 and the 5th contiguous block 34 to second fulcrum Connection Blocks 35, the ratio of the 3rd contiguous block 36 to the distance of the 3rd fulcrum Connection Block 38 and the 6th contiguous block 37 to the distance of the 3rd fulcrum Connection Block 38.The 4th piston rod 48 passes to power in the hydraulic oil of first hydraulic cylinder 4, the 5th piston rod 57 passes to power in the hydraulic oil of second hydraulic cylinder 5, the 6th piston rod 67 passes to power in the hydraulic oil of the 3rd hydraulic cylinder 6, because the pressure of hydraulic oil everywhere in first hydraulic cylinder 4 equates, the pressure of the hydraulic oil everywhere in second hydraulic cylinder 5 equates, the pressure of the hydraulic oil everywhere in the 3rd hydraulic cylinder 6 equates, and that hydraulic oil cross-sectional area in first hydraulic cylinder 4 is several times of hydraulic oil cross-sectional area of oil-feed place is large, therefore the power that first of first hydraulic cylinder right side cylinder piston 40 promotes the first fixed block 41 becomes large, this power is that anticipation imposes on rock sample in the party's power upwards.In like manner the second fixed block 52, the 3rd fixed block 61 are applied to the hydraulic fluid pressure of amplification on rock sample respectively, and each corresponding power is that anticipation imposes on the power of rock sample in respective direction.When the first fixed block 41, the second fixed block 52, the 3rd fixed block 61 imposes on the 6th controllable valve 46 on power and the first point of branch oil pipe 43 on rock sample, there is difference in the measured data of the 8th controllable valve 65 on the 7th controllable valve 55 on second point of branch oil pipe 54 and the 3rd point of branch oil pipe 64, finely tune the position of the first fulcrum Connection Block 32 on the first lever 27, the position of the second fulcrum Connection Block 35 on the second lever 28, the position of the 3rd fulcrum Connection Block 38 on the 3rd lever 29, until the 6th controllable valve 46, the 7th controllable valve 55 is identical with the each value of loading force of anticipation with the numerical value showing on the 8th controllable valve 65.So just can accurately measure rock sample stress, strain situation over time under three axial forces load.In the time that experiment finishes, start oil pump 3, hydraulic oil in first hydraulic cylinder 4, second hydraulic cylinder 5, the 3rd hydraulic cylinder 6 is all unloaded, the first fixed block 41, the second fixed block 52 and the 3rd fixed block 61 are moved away from the direction of rock sample with trend by first cylinder piston 40, second cylinder piston 51, the 3rd cylinder piston 60 respectively, so just rock sample can be taken away from sample platform 62, change other rock sample to be tested and carry out next one test, so circulation.
And if while carrying out the test of uniaxial test or twin shaft, controllable valve on the oil circuit that controllable valve on the hydraulic cylinder that will survey in direction is opened, the anterior main hydraulic cylinder connecting of the corresponding lever of a hydraulic cylinder is communicated with is opened, other controllable valve Close All, its operation steps is identical with above-mentioned three axial force load tests, repeats no more herein.
The present invention can carry out mechanical test to multiple different rocks by the counterweight by little weight, due to its can be respectively to rock carry out X to or Y-direction or Z-direction or XY to XZ to or YZ to or XYZ to experiment, make to measure the suffered power of rock in actual conditions that more approaches, it is more accurate that its result detects than existing single shaft, and it passes through hydraulic work system, the time marquis of electricity consumption is little, and it can reach a hundreds of hour long run test, and its cost is low.
The above embodiment is described the preferred embodiment of the present invention; not scope of the present invention is limited; design under the prerequisite of spirit not departing from the present invention; various distortion and improvement that the common engineering technical personnel in this area make technical scheme of the present invention, all should fall in the definite protection domain of claims of the present invention.
Claims (7)
1. a three-axis rheological testing machine, it is characterized in that: comprise frame (1), in described frame (1), be placed with main hydraulic cylinder (2) be connected with oil pump (3) first, two, three hydraulic cylinders (4, 5, 6), described main hydraulic cylinder (2) comprises Master cylinder body (7) and is installed on Master cylinder body (7) left side, two master cylinder pistons (8) of right two sides, one end vertical connection of one of them master cylinder piston (8) and L shaped the first oil guide pipe (9), the first controllable valve (10) is installed on described the first oil guide pipe (9), below described the first oil guide pipe (9), be fixed on the upper end of the first bracing frame (11), first piston (12) is installed in the inner chamber upper end of described the first oil guide pipe (9), the outside surface upper end mounting cylinder cap (13) of described the first oil guide pipe (9), described cylinder cap (13) is fixed together with first piston (12), the outside surface lower end of described cylinder cap (13) is vertically connected with load plate (14), another master cylinder piston (8) is fixed with one end vertical connection of the second oil guide pipe (15), described the second oil guide pipe (15) is respectively with the 3rd, four oil guide pipes (16, 17) one end is communicated with, described second, three, four oil guide pipes (15, 16, 17) be parallel to each other, described second, three, four oil guide pipes (15, 16, 17) on, be separately installed with second, three, four controllable valves (18, 19, 20), described second, three, four oil guide pipes (15, 16, 17) the other end respectively air-tight movable connects first, two, three piston rods (21, 22, 23), described first, two, three piston rods (21, 22, 23) the other end is respectively with first, two, three Connection Blocks (24, 25, 26) connect, described first, two, three Connection Blocks (24, 25, 26) a side be respectively equipped be parallel to each other first, two, three levers (27, 28, 29), before described the first lever (27) one sides, rear portion is separately installed with can be along first of activity before and after its side, four contiguous blocks (30, 31), the opposite side of described the first lever (27) is movably installed with can be along the first movable fulcrum Connection Block (32) before and after its side, before described the second lever (28) one sides, rear portion is separately installed with can be along second of activity before and after its side, five contiguous blocks (33, 34), the opposite side of described the second lever (28) is movably installed with can be along the second movable fulcrum Connection Block (35) before and after its side, before described the 3rd lever (29) one sides, rear portion is separately installed with can be along the 3rd of activity before and after its side, six contiguous blocks (36, 37), the opposite side of described the 3rd lever (29) is movably installed with can be along the 3rd movable fulcrum Connection Block (38) before and after its side, described first, two, three Connection Blocks (24, 25, 26) respectively with first, two, three contiguous blocks (30, 33, 36) be articulated and connected, described first hydraulic cylinder (4) comprises the first cylinder body (39) and is installed on the first cylinder body (39) left side, two first the cylinder piston (40) of right flank, upper the first fixed block (41) that connects of one of them first cylinder piston (40), another first cylinder piston (40) is fixed with one end vertical connection of the 5th oil guide pipe (42), described the first cylinder body (39) is communicated with the main oil pipe (44) on described oil pump (3) by first point of branch oil pipe (43), the 5th controllable valve (45) is installed on described main oil pipe (44), the 6th controllable valve (46) is installed on described first point of branch oil pipe (43), the other end air-tight movable of described the 5th oil guide pipe (42) connects the 4th piston rod (48), the other end of described the 4th piston rod (48) is connected with the 4th Connection Block (49), described the 4th Connection Block (49) is articulated and connected with the 4th contiguous block (31), described second hydraulic cylinder (5) comprises the second cylinder body (50) and is installed on the second cylinder body (50) front, two second cylinder piston (51) below, upper the second fixed block (52) that connects of one of them second cylinder piston (51), another second cylinder piston (51) is fixed with one end vertical connection of the 6th oil guide pipe (53), described the second cylinder body (50) is communicated with the main oil pipe (44) on oil pump (3) by second point of branch oil pipe (54), the 7th controllable valve (55) is installed on described second point of branch oil pipe (54), the other end air-tight movable of described the 6th oil guide pipe (53) connects the 5th piston rod (57), the other end of described the 5th piston rod (57) is connected with the 5th Connection Block (58), described the 5th Connection Block (58) is articulated and connected with the 5th contiguous block (34), described the 3rd hydraulic cylinder (6) comprises the 3rd cylinder body (59) and is installed on the 3rd cylinder body (59), two the 3rd cylinder pistons (60) below, upper the 3rd fixed block (61) that connects of one of them the 3rd cylinder piston (60), described first, two, three fixed blocks (41, 52, 61) vertical and adjacent spaces setting mutually between, described first, two, three fixed blocks (41, 52, 61) be all positioned at the top of the sample platform (62) in frame (1), another the 3rd cylinder piston (60) is fixed with one end vertical connection of the 7th oil guide pipe (63), described the 3rd cylinder body (59) is communicated with the main oil pipe (44) on oil pump (3) by the 3rd point of branch oil pipe (64), the 8th controllable valve (65) is installed on described the 3rd point of branch oil pipe (64), the other end air-tight movable of described the 7th oil guide pipe (63) connects the 6th piston rod (67), the other end of described the 6th piston rod (67) is connected with the 6th Connection Block (68), described the 6th Connection Block (68) is articulated and connected with the 6th contiguous block (37), described first, two, three fulcrum Connection Blocks (32, 35, 38) the other end is respectively with the 4th, five, six fulcrum Connection Blocks (69, 70, 71) be articulated and connected, the described the 4th, five, six fulcrum Connection Blocks (69, 70, 71) can before and after movable be installed on first, two, three fixed racks (72, 73, 74) on, described first, two, three fixed racks (72, 73, 74) be positioned in frame (1).
2. three-axis rheological testing machine as claimed in claim 1, it is characterized in that: the first tensimeter (47) is installed on described first point of branch oil pipe (43), the second tensimeter (56) is installed on described second point of branch oil pipe (54), the 3rd tensimeter (66) is installed on described the 3rd point of branch oil pipe (64).
3. three-axis rheological testing machine as claimed in claim 2, is characterized in that: a left side for described the first lever (27), right side is respectively equipped with the first open slot (75) that connects its front-back, described first, four contiguous blocks (30,31) slide a side located therein the first open slot (75) before, rear portion, slides and is provided with described the first fulcrum Connection Block (32), a left side for described the second lever (28) in the first open slot (75) described in opposite side, right side is respectively equipped with the second open slot (76) that connects its front-back, described second, five contiguous blocks (33,34) slide a side located therein the first open slot (76) before, rear portion, slides and is provided with described the second fulcrum Connection Block (35), a left side for described the 3rd lever (29) in the second open slot (76) described in opposite side, right flank is respectively equipped with the 3rd open slot (77) that connects its front-back, the described the 3rd, six contiguous blocks (36,37) slide a side located therein the 3rd open slot (77) before, rear portion, slides and is provided with described the 3rd fulcrum Connection Block (38), described first in the 3rd open slot (77) described in opposite side, two, one side of three fixed racks (72,73,74) is respectively equipped with and connects the 4th of its front-back, five, six open slots (78,79,80), the described the 4th, five, six fulcrum Connection Blocks (69,70,71) slide and are located at the 4th respectively, five, in six open slots (78,79,80).
4. three-axis rheological testing machine as claimed in claim 3, it is characterized in that: described first, two, three open slots (75, 76, 77) xsect is T-shaped, described first, two, three, four, five, six contiguous blocks (30, 33, 36, 31, 34, 37) be inserted in corresponding first, two, three open slots (75, 76, 77) xsect and first of part, two, three open slots (75, 76, 77) shape of cross section is corresponding, described the first Connection Block (24) is upper is provided with the first insertion slot (81) with the first contiguous block (30) opposite face, one end of described the first contiguous block (30) is inserted in the first insertion slot (81), described the first contiguous block (30) is hinged by bearing pin with the first Connection Block (24), described the second Connection Block (25) is upper is provided with the second insertion slot (82) with the second contiguous block (33) opposite face, one end of described the second contiguous block (33) is inserted in the second insertion slot (82), described the second contiguous block (33) is hinged by bearing pin with the second Connection Block (25), described the 3rd Connection Block (26) is upper is provided with the 3rd insertion slot (83) with the 3rd contiguous block (36) opposite face, one end of described the 3rd contiguous block (36) is inserted in the 3rd insertion slot (83), described the 3rd contiguous block (36) is hinged by bearing pin with the 3rd Connection Block (26), described the 4th Connection Block (49) is upper is provided with the 4th insertion slot (84) with the 4th contiguous block (31) opposite face, one end of described the 4th contiguous block (31) is inserted in the 4th insertion slot (84), described the 4th contiguous block (31) is hinged by bearing pin with the 4th Connection Block (49), described the 5th Connection Block (58) is upper is provided with the 5th insertion slot (85) with the 5th contiguous block (34) opposite face, one end of described the 5th contiguous block (34) is inserted in the 5th insertion slot (85), described the 5th contiguous block (34) is hinged by bearing pin with the 5th Connection Block (58), described the 6th Connection Block (68) is upper is provided with the 6th insertion slot (86) with the 6th contiguous block (37) opposite face, one end of described the 6th contiguous block (37) is inserted in the 6th insertion slot (86), described the 6th contiguous block (37) is hinged by bearing pin with the 6th Connection Block (68).
5. three-axis rheological testing machine as claimed in claim 4, it is characterized in that: described the first fulcrum Connection Block (32) is upper is provided with the 7th insertion slot (87) with the 4th fulcrum Connection Block (69) opposite face, one end of described the 4th fulcrum Connection Block (69) is inserted in the 7th insertion slot (87), described first, four fulcrum Connection Blocks (32, 69) between, link together by bearing pin, described the second fulcrum Connection Block (35) is upper is provided with the 8th insertion slot (88) with the 5th fulcrum Connection Block (70) opposite face, one end of described the 5th fulcrum Connection Block (70) is inserted in the 8th insertion slot (88), described second, five fulcrum Connection Blocks (35, 70) between, link together by bearing pin, described the 3rd fulcrum Connection Block (38) is upper is provided with the 9th insertion slot (89) with the 6th fulcrum Connection Block (71) opposite face, one end of described the 6th fulcrum Connection Block (71) is inserted in the 9th insertion slot (89), the described the 3rd, six fulcrum Connection Blocks (38, 71) between, link together by bearing pin.
6. the three-axis rheological testing machine as described in one of claim 1-5, is characterized in that: described first, two, three fixed racks are equipped with respectively first on (72,73,74), two, three sliding seats (90,91,92), described first, two, three sliding seats (90,91,92) are respectively with the 4th, five, six fulcrum Connection Blocks (69,70,71) are fixed together, and described first, two, the upper surface of three sliding seats (90,91,92) is fixed with respectively first, two, three pointers (93,94,95), described first, two, three pointers (93,94,95) are respectively perpendicular to first, two, three fixed racks (72,73,74), described first, two, one side of three sliding seats (90,91,92) is vertically connected with first respectively, two, three set bolts (96,97,98), described first, two, the upper surface of three set bolts (96,97,98) is connected with respectively first, two, three scales (99,100,101), described first, two, three scales (99,100,101) and first, two, three fixed racks (72,73,74) are parallel.
7. three-axis rheological testing machine as claimed in claim 6, is characterized in that: described first, second and third fixed rack (72,73,74) is welded by the C shaped steel of inverted joist steel and joist steel side.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210590868.2A CN103076233B (en) | 2012-12-31 | 2012-12-31 | Triaxial rheological tester |
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| CN201210590868.2A CN103076233B (en) | 2012-12-31 | 2012-12-31 | Triaxial rheological tester |
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| CN103076233B true CN103076233B (en) | 2014-12-10 |
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| CN201210590868.2A Expired - Fee Related CN103076233B (en) | 2012-12-31 | 2012-12-31 | Triaxial rheological tester |
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| CN107290208B (en) * | 2017-07-31 | 2019-06-25 | 安徽理工大学 | A kind of rock relaxation mechanism for testing and its experimental rig |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1558205A (en) * | 2004-02-05 | 2004-12-29 | 哈尔滨工业大学 | Non power source rheometer |
| CN102621012A (en) * | 2012-03-31 | 2012-08-01 | 重庆大学 | Multifunctional true triaxial rock creepmeter |
| CN203011778U (en) * | 2012-12-31 | 2013-06-19 | 安徽理工大学 | Triaxial rheological test machine |
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2012
- 2012-12-31 CN CN201210590868.2A patent/CN103076233B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1558205A (en) * | 2004-02-05 | 2004-12-29 | 哈尔滨工业大学 | Non power source rheometer |
| CN102621012A (en) * | 2012-03-31 | 2012-08-01 | 重庆大学 | Multifunctional true triaxial rock creepmeter |
| CN203011778U (en) * | 2012-12-31 | 2013-06-19 | 安徽理工大学 | Triaxial rheological test machine |
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