CN102998147A - Field sampling device and sampling method of filling slurry - Google Patents
Field sampling device and sampling method of filling slurry Download PDFInfo
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- CN102998147A CN102998147A CN2012105731752A CN201210573175A CN102998147A CN 102998147 A CN102998147 A CN 102998147A CN 2012105731752 A CN2012105731752 A CN 2012105731752A CN 201210573175 A CN201210573175 A CN 201210573175A CN 102998147 A CN102998147 A CN 102998147A
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Abstract
The invention provides a field sampling device and a use method of filling slurry. The sampling device comprises a slurry cylinder control unit and a slurry cylinder, wherein the slurry cylinder control unit comprises a sampling rod, an upper transverse rod 5, and a lower transverse rod 12, and a control rod 15 is axially inserted into a main rod 3; the slurry cylinder comprises a slurry cylinder upper baffle 8, a slurry cylinder pipe 9 and a slurry cylinder lower baffle 11; and one end of the upper/lower transverse rod is fixedly connected with the control rod, and the other end of the upper/lower transverse rod is detachably connected with the slurry cylinder upper/lower baffle 8. According to the field sampling device and a sampling method of the filling slurry, the field sampling of the filling slurry is realized by driving the opening and the closing of the upper baffle 8 and the lower baffle 11 by the control rod of the slurry cylinder control unit; and the slurry at a fixed point can be precisely collected, the sampling can not be influenced by low-concentration filling slurry at the upper part of a collecting field in the rising processes of sampled samples, and the property of the filling slurry in the collecting field can be accurately acquired.
Description
Technical field
The present invention relates to a kind of filling slurry on-site sampling devices and methods therefor, can be applicable to adopt the sampling of the underground mine goaf filling slip of the method for mining by the way of filling.
Background technology
The method of mining by the way of filling has obvious advantage and has obtained significant effect aspect the environmental protection fully reclaiming mineral resources, control deep mining ground pressure activity and improve; thereby caused the generally attention of mining industry circle; the method of mining by the way of filling has obtained in China and even countries in the world using more and more widely, and 45% non-ferrous metal large medium-size mine and 37% gold mine all adopt stowing method in China's underground mine.
This kind mining methods are generally set up Filling system on the earth's surface, cement, sandstone, tailings etc. are prepared into according to a certain percentage the filling slurry with flowability, and by earth's surface pipeline, the boring that connects earth's surface and down-hole, down-hole pipe etc., filling slurry is delivered to each stope of down-hole, realizes the purpose of filling underground goaf.
The fed distance to the down-hole is general all about thousands of rice from Filling system for filling slurry, carry through long distance, be subjected to the phase mutual friction between filling aggregate and the aggregate, and the phase mutual friction of aggregate and pipeline, the filling aggregate grade forms can produce larger variation; After filling slurry flowed into stope, the coarse aggregate rate of sinking was fast, and the fine aggregate rate of sinking is slow, and thick, the thin influential point of bone is emanated; Be subjected to simultaneously the impact of drainage water, brush Guan Shui, the filling slurry actual techniques parameter of earth's surface mixing plant and underground stope has significant difference.The filling slurry technical parameter is to determine that filling cooperates the when core of intensity index.Gather representative filling slurry at underground stope, to the filling match ratio optimize, significant to realizing underground mines safety, efficient, low-cost exploitation.
Traditional filling slurry sampling method comprises: method one, the sampling of the underground filling blanking mouth of pipe; Take a sample with open-top receptacles such as bucket, wooden dippers in the method two, stope.Tradition sampling method shortcoming is as follows: (1) method one, the sampling of the underground filling blanking mouth of pipe.Because filling slurry is easily segregation layering in stope, form Bottom of Stope take coarse aggregate as main high concentration ground paste and stope top take fine aggregate as main low concentration slip.Owing to the impact of drainage water, brush Guan Shui, blanking mouth of pipe institute sample thief can not react the truth of stope simultaneously; (2) filling slurry can produce segregation at underground stope, the gelatinization agents content of filling slurry, concentration, particles of aggregates composition have larger variation in the different depth scope, and these factors are the keys that determine strength of filling mass, therefore method two is subjected to the impact of the various factorss such as dilution of top low concentration filling slurry in sampling process, with producing very large error, be difficult to representative; (3) above-mentioned two kinds of methods all are difficult to obtain the actual filling slurry sample of different depth, diverse location in the filling stope, restricted greatly the settling character of research filling slurry filling aggregate in stope and the distribution character of jointing compound, this also is to cause so far to flow characteristics, settling character and the intensity Distribution research not enough major reason of filling slurry in underground stope.
Summary of the invention
The shortcoming and defect that exists in order to overcome traditional sampling method, the present invention has designed a filling slurry down-hole on-site sampling device, can guarantee accuracy and the convenience of stope filling slip sampling, also can be used for the sampling of filling tank diameter slip.
The present invention's the first purpose is to provide a kind of filling slurry on-site sampling device, and described sampler comprises slip cylinder control module and slip cylinder;
Slip cylinder control module comprises thief rod, cross tube (5), sheer pole (12), and wherein, thief rod is comprised of the mobile jib (3) of control lever (15) and tubulose, and control lever 15 axially inserts in the mobile jib (3);
The slip cylinder comprises slip cylinder overhead gage (8), slip bobbin (9), slip cylinder lower baffle plate (11), and slip bobbin (9) is that two axially symmetrical half slots form, and forms body by the snap lock means that arranges on two half slot axial sections; Slip cylinder overhead gage (8) is positioned at slip bobbin (9) top, and slip cylinder lower baffle plate (11) is positioned at slip bobbin (9) bottom; Slip cylinder overhead gage (8), slip cylinder lower baffle plate (11) link to each other with the slip bobbin by lock uint respectively;
Cross tube (5) one ends are fixedly connected with control lever (15), and the other end and described slip cylinder overhead gage (8) removably connect;
The fixing welding of sheer pole (12) one ends and control lever (15), the other end and described slip cylinder lower baffle plate (11) removably connect;
Be provided with slip bobbin fixing device (16) on the described mobile jib (3), the slip bobbin is removably mounted on the mobile jib.
Preferably, described lock uint between slip cylinder overhead gage (8), slip cylinder lower baffle plate (11) and the slip bobbin is specially: slip bobbin (9) outer wall welds respectively one or more snap closes (7,13) in both sides up and down, and slip cylinder overhead gage (8), lower baffle plate (11) both sides arrange respectively the one or more U-shaped ring corresponding with described snap close.
Preferably, described cross tube (5) and sheer pole (12) one ends are welding with the mode that is fixedly connected with of control lever (15), and the mode that removably connects of described cross tube (5) and sheer pole (12) other end and described slip cylinder overhead gage (8) and lower baffle plate (11) is for being threaded.
Preferably, on mobile jib (3), control lever (15) top mobile jib handle (2) and control lever handle (1) are set respectively.
Preferably, there is scale on mobile jib 3 surfaces.
Preferably, in slip bobbin arranged outside U-shaped snap ring (10) with slip bobbin concentric is arranged, described U-shaped snap ring utilizes snap close to fix.
Preferably, the mobile jib (3) of slip cylinder control module thief rod and control lever (15) are divided into respectively up and down two parts; Described sampler also comprises one or more extension rods (4), extension rod (4) is comprised of mobile jib 3, control lever 15 equally, the mobile jib 3 of extension rod 4, control lever 15 are inserted into respectively up and down between two parts of mobile jib 3, control lever 15 of slip cylinder control module thief rod, removably connect by screw thread between the trunk 3 of the mobile jib 3 of extension rod 4, control lever 15 and slip cylinder control module thief rod, the control lever 15.
The second purpose of the present invention is to provide a kind of method of utilizing above-mentioned filling slurry on-site sampling device to take a sample:
Step 1, with control lever (15) axial-rotation, the angle of axial-rotation is θ, θ is about 145 °, and control lever drives respectively the upper and lower baffle plate of slip cylinder (8,11) coaxial rotation by upper and lower cross bar (5,12), makes the upper and lower baffle plate of slip cylinder fully unlimited;
After step 3, the sampling, with control lever (15) by with the axial-rotation direction reverse rotation of step 1, the reverse rotation angle is θ, makes the upper and lower baffle plate of slip cylinder (8,11) closure;
Lock uint between step 4, closed slip cylinder overhead gage (8), slip cylinder lower baffle plate (11) and the slip bobbin (9);
Step 7, repeating step one to six.
After utilizing technical solution of the present invention to obtain sample, can by other experimental techniques, obtain the technical parameters such as filling slurry concentration, slip aggregate grade composition; The slip cylinder is positioned under the standard curing condition after the maintenance, and filling slurry is solidified into obturation, by Experiments of Machanics, can obtain obturation mechanical strength index, such as uniaxial compressive strength, elastic modulus, Poisson ratio, cohesion, angle of internal friction etc.
Adopt the advantage of this sampler sampling to be: (1) according to the length scale on the slip cylinder mobile jib 3, can accurately be positioned over the slip cylinder position of setting with in this sampler intervening well retrofilling slip; (2) by control slip cylinder overhead gage 8, lower baffle plate 11, can obtain the filling slurry of set point; (3) by extension rod 4, can according to on-the-spot actual requirement, obtain the slip sample of different depth; (4) the slip cylinder is in air-tight state in lifting process, can not be subject to the impact of stope top low concentration filling slurry.
Filling slurry on-site sampling apparatus structure provided by the invention is simple, is convenient to on-the-spot processing and fabricating, and the sampling method science can accurately obtain the filling slurry of assigned address.This sampler is to the flow characteristics of research filling slurry in stope, settling character, segregation phenomenon, the change of size of filling aggregate behind long-distance transportation through pipeline is all significant, institute's sample thief is after maintenance simultaneously, filling slurry is cured as obturation, strength of filling mass after tested, can be used for studying different depth strength of filling mass and other every mechanics parameters in the stope, such as compressive strength, elastic modulus, Poisson ratio, cohesion, angle of internal friction etc., this is to grasping the strength of filling mass distribution situation of zones of different in the stope, improve the filling match ratio, optimizing the stope structure size all has very important significance.
Description of drawings
Fig. 1 is filling slurry on-site sampling device front elevation.
Fig. 2 is filling slurry on-site sampling device side view.
Fig. 3 is filling slurry on-site sampling device vertical view.
Fig. 4 is thief rod up and down between two parts mobile jib and the control lever, and the connection diagram of extension rod and thief rod mobile jib and control lever.
Fig. 5 is slip bobbin sectional view.
Fig. 6 is that overhead gage is connected sectional view with cross bar, control lever.
Fig. 7 is slip cylinder and the baffle plate thereof under closure or the open mode.
Among the figure: 1-control lever handle 1; 2-mobile jib handle 2; 3-mobile jib; 4-extension rod 4; 5-cross tube; Screw rod+the nut of 6-upper guard-plate; 7-rapid latch; 8-slip cylinder overhead gage; 9-slip cylinder; 10-U-shaped snap ring; 11-slip cylinder lower baffle plate; 12-sheer pole; 13-rapid latch; Screw rod+the nut of 14-bottom; 15-control lever; 16-slip cylinder fixed card.
Embodiment
Filling slurry on-site sampling device provided by the invention comprises slip cylinder control module and slip cylinder, see Fig. 1-Fig. 7, the purpose of slip cylinder control module is for placing the slip cylinder to predetermined sample position, and control the open and close of slip cylinder overhead gage (8), lower baffle plate (11), so that flexibly sampling; The major function of slip cylinder is to contain filling slurry, is provided with various connecting elements in the slip cylinder, and is fixing and is connected slip cylinder all parts, prevents that slip from outflowing.
Slip cylinder control module
As Figure 1-3, slip cylinder control module comprises thief rod, cross tube (5), sheer pole (12), and wherein, thief rod is comprised of mobile jib (3), control lever (15); On mobile jib (3), control lever (15) top mobile jib handle (2) and the control lever handle (1) that makes things convenient for survey crew to carry, install and operate can also be set respectively.
The mobile jib 3 of slip cylinder control module thief rod can be the common steel tube of external diameter Φ 18mm, internal diameter Φ 12mm, and control lever 15 is the reinforcing bar of diameter 8mm, and control lever 15 places in mobile jib 3 steel pipes, filling thick oil between the space; There is scale on mobile jib 3 surfaces of slip cylinder control module thief rod, can accurately locate the slip cylinder accurate location that inserts in the filling slurry according to this scale.Be disposed with from top to bottom up and down two cross bars---cross tube (5) and the sheer pole (12) of lower baffle plate folding on the control slip cylinder in control lever (15) bottom, cross tube (5), sheer pole (12) are all with control lever (15) body of rod and are fixedly connected with.
As shown in Figure 2, to be fixedly connected with mode specific as follows for cross tube (5), sheer pole (12) and control lever 15:
1) opening a translot near the mobile jib 3 of slip bobbin 9 upper limbs, the translot cut angle is 180 °, namely leaves semicircular translot at circular tube shaped mobile jib 3, and an end of cross tube 5 inserts in this translot, and is welded to connect with the control lever 15 of mobile jib 3 inside;
2) position of slip bobbin 9 lower edges is near the lower end of control lever 15 and mobile jib 3, and control lever 15 lower ends stretch out the mobile jib lower end, is welded to connect with an end of sheer pole 12.Can be than mobile jib 3 proper extensions based on the length of this control lever 15, can be than mobile jib 3 long 10mm such as the length of control lever 15.
The mobile jib 3 of slip cylinder control module thief rod and control lever 15 can comprise respectively up and down two parts.Top mobile jib 3 and control lever 15 tops are used for arranging described mobile jib handle 2 and control lever handle 1, bottom control lever 15 connects described slip cylinder by cross tube (5), sheer pole (12), as shown in Figure 4, removably connect by screw thread respectively between two parts mobile jib 3 or the control lever 15 up and down.
In order to be applicable in degree of depth mine, to carry out the slip sampling, sampler of the present invention can also comprise one or more extension rods 4, can be according to the difference of sample position, increase the number of extension rod 4, to obtain the filling slurry sample of different depth, adapt to different stopes, the sample position requirement of different filling slurries; Non-working time detachably comes, and conveniently stores and carries.
The slip cylinder
The slip cylinder comprises slip cylinder overhead gage (8), slip bobbin (9), slip cylinder lower baffle plate (11).
In the present embodiment, slip bobbin 9 adopts the common steel tube of internal diameter Φ 80mm, external diameter Φ 90mm, length 200mm, cuing open along axis direction is two semi-circular tubes, on two sections of one of them half slot, respectively design up and down two pillars, pillar diameter 2-3mm, high 2-3mm, pillar are axially perpendicular to the half slot section; On another half slot profile position corresponding with this pillar, each bores two apertures, hole diameter 3-4mm, high 3-4mm.When two half slots were closed, the pillar of one of them half slot inserted in the aperture of another half slot, can lock the relative position of two half slots, guaranteed that slip bobbin 9 forms the cylindrical die trial of a standard, dislocation do not occur, as shown in Figure 5.
Slip cylinder upper and lower end has designed (8) one of overhead gages and lower baffle plate (11), when sampler inserts the filling slurry sampling, the overhead gage of slip cylinder (8), lower baffle plate (11) open wide, when reaching predetermined sample position, close overhead gage (8), lower baffle plate (11), mention sampler, finish sampling.Overhead gage (8), lower baffle plate (11) open wide when inserting filling slurry because of sampler, and sampler is put into the optional position of stope filling slurry, and the filling slurry in the slip cylinder (9) is the filling slurry typical value of this point; Handle control lever (15) when beginning to take a sample, close slip cylinder overhead gage (8), lower baffle plate (11), the interior filling slurry of slip cylinder this moment has represented the actual state of this slip really, in the process that proposes sampler, slip in the sampler is isolated from the outside, and can not cause the interior slip character (such as pulp density, aggregate grade composition, jointing compound volume etc.) of sampler to change.
The diameter of slip cylinder overhead gage 8 and lower baffle plate 11 is Φ 90mm in the present embodiment, and thick is 6mm, adopts general steel plate processing.
For the ease of transporting of sampling, on the slip cylinder, a lock uint can be set, slip cylinder overhead gage (8), slip cylinder lower baffle plate (11) are sealed mortar leakage prevention with the slip bobbin.
Adopt in the present embodiment U-shaped ring and rapid latch to form above-mentioned lock uint, carry out the sealing of slip cylinder, be specially: weld respectively a rapid latch 7 and 13 at each half slot that forms the slip bobbin near slip bobbin 9 upper and lower edge both sides, slip cylinder overhead gage both sides, each welds a U-shaped ring, corresponding with the rapid latch 7 of slip bobbin 9 upper limbs, be used for connecting slip bobbin 9 and overhead gage 8.Slip cylinder lower baffle plate both sides, each welds a U-shaped ring, and is corresponding with the bottom rapid latch 13 of slip bobbin 9, is used for connecting slip bobbin 9 and lower baffle plate 11, connects and sees Fig. 1, Fig. 2.
In order to prevent the disengaging of two half slot sections of slip bobbin snap lock means, reinforce the slip bobbin, in slip bobbin arranged outside U-shaped snap ring 10 with slip bobbin concentric is arranged, adopt common rapid latch to fix.
The connected mode of slip cylinder control module and slip cylinder
Control lever (15) is controlled the folding of lower baffle plate on the slip cylinder by cross tube (5) and sheer pole (12), and cross tube (5) one ends are fixedly connected with control lever (15), and the other end and described slip cylinder overhead gage (8) removably connect; The fixing welding of sheer pole (12) one ends and control lever (15), the other end and described slip cylinder lower baffle plate (11) removably connect.Upper and lower baffle plate be connected the mode of removably connecting of cross bar and can connect or connect by web members such as snap rings by screw rod.
In the present embodiment, cross tube 5 long 63mm, one end and control lever 15 welding, the other end welds the nut 6 of a M5mm, the aperture of overhead gage 8 centre drills one diameter of phi 5mm, hole depth 5mm has screw thread, such as Fig. 6 in the hole.Cross tube 5 and slip cylinder overhead gage 8 can be coupled together by a upper screw.
In the present embodiment, about in the of 9 two ends near the slip bobbin at mobile jib 3, and each installs a slip cylinder fixed card 16, slip bobbin 9 can be fixed on the mobile jib 3 easily, also can pull down easily.
Because slip bobbin 9 adopts slip cylinder fixed card 16 fixing with mobile jib, adopts nut to be connected with screw rod between the upper sheer pole of overhead gage 8, lower baffle plate 11, control lever 15, can freely dismantle.After obtaining the filling slurry sample, can directly the slip cylinder be pulled down and deliver to fog room, can not produce error because of pouring again another die trial into after the filling slurry taking-up.
With slip cylinder fixed card (16) that the slip cylinder and the mobile jib (3) that assemble is fixing before the sampling; After obtaining the filling slurry sample, the snap close between locking overhead gage (8), lower baffle plate (11) and the slip bobbin (9), filling slurry can not leak out between (11) from slip bobbin (9) and overhead gage (8), lower baffle plate; Untie the screw rod between cross tube (5), sheer pole (12) and overhead gage (8), the lower baffle plate (11), and slip cylinder fixed card 16, can directly the slip cylinder be pulled down and deliver to fog room, to guarantee that filling slurry is not subjected to the extraneous factor interference to cause experimental error in the slip cylinder; The purpose of U-shaped card (10) is that two half slots that form slip bobbin (9) are fixing before sampling, when filling slurry is cured as obturation, unties this snap close, obturation can be taken out.
It is as follows to utilize sampler of the present invention to carry out the method for slip sampling:
(1) one holds mobile jib handle 2, another hand rotation control rod handle 1, the joystick axial-rotation, axial-rotation angle θ is greater than 145 °, because control lever is fixedly connected with upper and lower cross bar (5,12), upper and lower cross bar (5,12) is fixedly connected with the upper and lower baffle plate of slip cylinder (8,11) by screw rod+nut (6,14) respectively again, can drive the upper and lower baffle plate of slip cylinder (8,11) coaxial rotation when the rotation control rod handle, make the upper and lower baffle plate of slip cylinder fully unlimited, see Fig. 7.
(2) by thief rod, extension rod 4, the slip cylinder is inserted filling slurry, length scale according to the mobile jib surface, the slip cylinder can be transferred to the filling slurry preposition and take a sample, because the slip cylinder is both ends open up and down, the slip that is full of in the slip cylinder is the true reflection of slip cylinder position filling slurry.
(3) after the sampling, make control lever handle 1 reverse rotation θ, make mobile jib handle 2 consistent with control lever handle 1 axial angle, slip cylinder overhead gage 8, lower baffle plate 11 have been closed this moment, slip and outside slip are thoroughly isolated in the slip cylinder, taking-up fills the slip cylinder of filling slurry, just can obtain the filling slurry sample of predetermined depth position.
(4) with the U-shaped loop fastener on slip bobbin 9 top rapid latchs 7, bottom rapid latch 13 and overhead gage 8, the lower baffle plate 11, slip can not leaked from the slip cylinder.
(5) remove the fixedly screw rod between the cross tube 5 and overhead gage 8, releasing overhead gage 8 is connected with cross tube 5; Remove the fixedly screw rod between the sheer pole 12 and lower baffle plate 11, releasing lower baffle plate 11 is connected with sheer pole 12.
(6) untie slip cylinder fixed card 16 between slip bobbin 9 and the mobile jib 3, pull down the slip cylinder, to the sampling marker number.
(7) get another one slip bobbin 9 again, two half slots are merged, the 9 section snap lock means self-lockings of slip bobbin are combined as the cylindrical of a standard, and U-shaped snap ring 10 is installed again.
(8) the slip bobbin 9 that fixes is positioned over the slip cylinder fixed card 16 of mobile jib 3, slip bobbin 9 is fixed on the mobile jib 3, the position of slip bobbin 9 top rapid latchs 7, bottom rapid latch 13 is corresponding with the U-shaped ring of overhead gage 8, lower baffle plate 11.
(9) the fixing screw rod between cross tube 5 and the overhead gage 8 of rotation makes overhead gage 8 be connected with cross tube 5; Rotation is the screw rod between sheer pole 12 and the lower baffle plate 11 fixedly, and lower baffle plate 11 is connected with sheer pole 12.
(10) repeat the 1-9 step, finish all slip sampling work.
(11) when specifying sampling depth larger, can be with in the extension rod assembling, to satisfy different sampling depth requirements.
Claims (8)
1. filling slurry on-site sampling device, it is characterized in that: described sampler comprises slip cylinder control module and slip cylinder;
Slip cylinder control module comprises thief rod, cross tube (5), sheer pole (12), and wherein, thief rod is comprised of the mobile jib (3) of control lever (15) and tubulose, and control lever (15) axially inserts in the mobile jib (3);
The slip cylinder comprises slip cylinder overhead gage (8), slip bobbin (9), slip cylinder lower baffle plate (11), and slip bobbin (9) is that two axially symmetrical half slots form, and forms body by the snap lock means that arranges on two half slot axial sections; Slip cylinder overhead gage (8) is positioned at slip bobbin (9) top, and slip cylinder lower baffle plate (11) is positioned at slip bobbin (9) bottom; Slip cylinder overhead gage (8), slip cylinder lower baffle plate (11) link to each other with the slip bobbin by lock uint respectively;
Cross tube (5) one ends are fixedly connected with control lever (15), and the other end and described slip cylinder overhead gage (8) removably connect;
The fixing welding of sheer pole (12) one ends and control lever (15), the other end and described slip cylinder lower baffle plate (11) removably connect;
Be provided with slip bobbin fixing device (16) on the described mobile jib (3), the slip bobbin is removably mounted on the mobile jib.
2. filling slurry on-site sampling device as claimed in claim 1, it is characterized in that, described lock uint between slip cylinder overhead gage (8), slip cylinder lower baffle plate (11) and the slip bobbin is specially: slip bobbin (9) outer wall welds respectively one or more snap closes (7,13) in both sides up and down, and slip cylinder overhead gage (8), lower baffle plate (11) both sides arrange respectively the one or more U-shaped ring corresponding with described snap close.
3. filling slurry on-site sampling device as claimed in claim 1, it is characterized in that, described cross tube (5) and sheer pole (12) one ends are welding with the mode that is fixedly connected with of control lever (15), and the mode that removably connects of described cross tube (5) and sheer pole (12) other end and described slip cylinder overhead gage (8) and lower baffle plate (11) is for being threaded.
4. filling slurry on-site sampling device as claimed in claim 1 is characterized in that, on mobile jib (3), control lever (15) top mobile jib handle (2) and control lever handle (1) is set respectively.
5. filling slurry on-site sampling device as claimed in claim 1 is characterized in that,
There is scale on mobile jib (3) surface.
6. filling slurry on-site sampling device as claimed in claim 1 is characterized in that, in slip bobbin arranged outside U-shaped snap ring (10) with slip bobbin concentric is arranged, and described U-shaped snap ring (10) utilizes snap close to fix.
7. filling slurry on-site sampling device as claimed in claim 1 is characterized in that, the mobile jib (3) of slip cylinder control module thief rod and control lever (15) are divided into respectively up and down two parts; Described sampler also comprises one or more extension rods (4), extension rod (4) is comprised of mobile jib (3), control lever (15) equally, the mobile jib (3) of extension rod (4), control lever (15) are inserted into respectively up and down between two parts of mobile jib (3), control lever (15) of slip cylinder control module thief rod, and trunk (3), the control lever of the mobile jib (3) of extension rod (4), control lever (15) and slip cylinder control module thief rod removably connect by screw thread between (15).
8. the method for utilizing filling slurry on-site sampling device as claimed in claim 1 to take a sample,
Step 1, with control lever (15) axial-rotation, the angle of axial-rotation is θ, θ is about 145 °, and control lever drives respectively the upper and lower baffle plate of slip cylinder (8,11) coaxial rotation by upper and lower cross bar (5,12), makes the upper and lower baffle plate of slip cylinder fully unlimited;
Step 2, the precalculated position of by thief rod the slip cylinder being inserted filling slurry;
After step 3, the sampling, with control lever (15) by with the axial-rotation direction reverse rotation of step 1, the reverse rotation angle is θ, makes the upper and lower baffle plate of slip cylinder (8,11) closure;
Lock uint between step 4, closed slip cylinder overhead gage (8), slip cylinder lower baffle plate (11) and the slip bobbin (9);
Step 5, open slip bobbin fixing device (16), remove being connected between overhead gage (8) and cross tube (5) and lower baffle plate (11) and the sheer pole (12), pull down the slip cylinder;
Step 6, get another one slip cylinder, slip bobbin (9) is positioned on the slip tube fixing device (16) of mobile jib (3), overhead gage (8) is connected with cross tube (5), lower baffle plate (11) is connected with sheer pole (12);
Step 7, repeating step one to six.
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| CN2012105731752A CN102998147A (en) | 2012-12-25 | 2012-12-25 | Field sampling device and sampling method of filling slurry |
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| CN104480975A (en) * | 2014-11-18 | 2015-04-01 | 中淳高科桩业股份有限公司 | Expanded-base pile expanded-base pile tip cement soil sampling device and sampling method thereof |
| CN105300726A (en) * | 2014-05-29 | 2016-02-03 | 国网山西省电力公司电力科学研究院 | Constant-speed sampling device for fly ash |
| CN109269842A (en) * | 2018-11-07 | 2019-01-25 | 中国矿业大学(北京) | For obtaining the sampler and its working method of different layers position consolidated fill slurry |
| CN113405850A (en) * | 2021-06-24 | 2021-09-17 | 北京科技大学 | Slurry on-site sampling device in goaf filling process and use method |
| CN113640053A (en) * | 2021-09-22 | 2021-11-12 | 山东源基建设工程有限公司 | Cement-soil slurry sampler for cement-soil mixing pile |
| CN115655789A (en) * | 2022-10-09 | 2023-01-31 | 北京科技大学 | Filling slurry in-situ sampling device |
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| CN102645353A (en) * | 2012-05-09 | 2012-08-22 | 河海大学常州校区 | Rotary sealing bottom type superficial layer in-situ sediment sampler |
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| CN113640053A (en) * | 2021-09-22 | 2021-11-12 | 山东源基建设工程有限公司 | Cement-soil slurry sampler for cement-soil mixing pile |
| CN115655789A (en) * | 2022-10-09 | 2023-01-31 | 北京科技大学 | Filling slurry in-situ sampling device |
| CN115655789B (en) * | 2022-10-09 | 2024-05-07 | 北京科技大学 | Filling slurry in-situ sampling device |
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