CN115655780B - Soil-stone mixture layered sampling device for geotechnical engineering - Google Patents
Soil-stone mixture layered sampling device for geotechnical engineering Download PDFInfo
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- CN115655780B CN115655780B CN202211284695.1A CN202211284695A CN115655780B CN 115655780 B CN115655780 B CN 115655780B CN 202211284695 A CN202211284695 A CN 202211284695A CN 115655780 B CN115655780 B CN 115655780B
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- sampling
- driven shaft
- soil
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- 238000005070 sampling Methods 0.000 title claims abstract description 190
- 239000000203 mixture Substances 0.000 title claims abstract description 16
- 239000004575 stone Substances 0.000 title claims abstract description 13
- 239000002689 soil Substances 0.000 claims abstract description 43
- 238000005553 drilling Methods 0.000 claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 230000008878 coupling Effects 0.000 claims abstract description 16
- 238000010168 coupling process Methods 0.000 claims abstract description 16
- 238000005859 coupling reaction Methods 0.000 claims abstract description 16
- 238000005527 soil sampling Methods 0.000 claims description 12
- 239000011435 rock Substances 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
Landscapes
- Sampling And Sample Adjustment (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention relates to the technical field of geotechnical engineering sampling, in particular to a soil-stone mixture layered sampling device for geotechnical engineering. The utility model provides a soil stone mixture layering sampling device for geotechnical engineering, includes the support, sliding connection has the mounting panel in the support, and the first driving piece of mounting panel rigid coupling is installed to symmetry formula in the support, and mounting panel sliding connection has the locating rack, and the locating rack installs the second driving piece, and locating rack sliding connection has tensioning assembly, and the mounting panel rotates to be connected with the mounting bracket, and sliding connection has first driven shaft in the mounting bracket. According to the invention, the toothed plate is driven to drive the transmission gear to be matched with the rack through the downward movement of the moving block, so that the first driven shaft and the second driven shaft drive the storage shell to be close to the inner wall of the drilled hole, the first driven shaft rotates to enable the storage shell to rotate through the first bevel gear and the second bevel gear, the storage shell moves and rotates to drill soil, the purpose of sampling soil is achieved, the purpose of layered sampling is achieved, repeated drilling and sampling are not needed, and the sampling efficiency is improved.
Description
Technical Field
The invention relates to the technical field of geotechnical engineering sampling, in particular to a soil-stone mixture layered sampling device for geotechnical engineering.
Background
Geotechnical engineering is a branch of civil engineering, and is mainly applied to sampling and detecting components of soil and rock, and solves the technical problems existing in various projects according to detected data so as to ensure normal operation of the building projects.
In order to ensure that the density of the soil is enough to support the building facilities, the soil with different layers of the earth surface depth needs to be sampled, the existing equipment needs to continuously drill holes at the same position when the soil is sampled through the drilling barrel, then the soil with different layers in the drilled holes is sampled, the depth of the drilled holes of the existing equipment is limited, the data for guaranteeing the soil detection are more accurate, the existing equipment needs to be used for drilling holes at the same position for multiple times, and the soil with the earth surface depth is sampled.
Disclosure of Invention
The invention provides a soil-stone mixture layered sampling device for geotechnical engineering, which solves the problems in the background technology.
The utility model provides a soil stone mixture layering sampling device for geotechnical engineering, which comprises a bracket, sliding connection has the mounting panel in the support, the first driving piece of mounting panel rigid coupling is installed to symmetry formula in the support, mounting panel sliding connection has the locating rack, the locating rack installs the second driving piece, mounting panel sliding connection has tensioning assembly, the mounting panel rotates and is connected with the mounting bracket, sliding connection has first driven shaft in the mounting bracket, pass through the band pulley and belt drive between second driving piece's output shaft, tensioning assembly and the first driven shaft, the belt is triangle-shaped structure, the mounting bracket can be dismantled and be connected with first sampling tube, first driving piece passes through the first sampling tube of mounting panel drive and removes, first sampling tube symmetry is provided with the through-hole, sliding connection has the second driven shaft of being connected with can be dismantled with first driven shaft for transmission second driven shaft rotates, second driven shaft symmetry formula rigid coupling has first bevel gear, the second rotation is connected with the mount, the mount rotates and is connected with the second bevel gear with first bevel gear meshing, sliding connection has the case in the through-hole of first sampling tube, deposit the shell and second bevel gear rigid coupling through the annular ring, it is used for taking soil to bore the second bevel gear rigid coupling, the second bevel gear is different from the first bevel gear rigid coupling through the first bevel gear of drive of taking the soil.
Preferably, the support is provided with a limiting opening and a conical opening from top to bottom in sequence, and one side with small diameter of the conical opening is communicated with the limiting opening and used for cleaning the soil adhered by the first sampling tube.
Preferably, the first driven shaft is of a non-circular structure, and the second driven shaft is provided with a containing groove matched with the non-circular structure of the first driven shaft to provide power for driving the second driven shaft to rotate.
Preferably, one end of the mounting frame is symmetrically fixedly connected with a clamping piece and a limiting rod, the limiting rod and the clamping piece are staggered, the upper part of the first sampling tube is symmetrically provided with a positioning groove matched with the clamping piece and used for fixing the first sampling tube, the upper part of the first sampling tube is symmetrically provided with a limiting groove matched with the limiting rod, the storage shell is symmetrically provided with a clamping groove, the storage shell is slidably connected with a push plate, the push plate is fixedly connected with an elastic piece rotationally connected with the mounting frame, and the push plate is symmetrically fixedly connected with a clamping plate matched with the adjacent clamping groove and used for limiting the position of the push plate.
Preferably, the lower part threaded connection of second driven shaft has the movable block with first sampling tube sliding fit, and the movable block symmetry rigid coupling has the pinion rack, is connected with the drive gear with the pinion rack meshing through the connecting rod symmetry rotation in the first sampling tube, is connected with the rack with drive gear meshing in the first sampling tube symmetry, and the rack is crisscross with the pinion rack for the shell removes is deposited in the transmission.
Preferably, the locating rack symmetry rotates and is connected with the second screw rod, and the second driving piece is located adjacent second screw rod inboard, and the output shaft of second screw rod and second driving piece all rigid coupling has intermeshing's straight-line gear, is connected with between the adjacent second screw rod with locating rack sliding fit's crane, and the crane symmetry rigid coupling has the round pin pole, and the mounting panel symmetry is provided with adjacent round pin pole complex spout for promote the locating rack.
Preferably, the rotary assembly is arranged between the mounting plate, the mounting frame and the first sampling tube, the rotary assembly comprises a third driving piece, the third driving piece is arranged on the mounting plate, a bevel gear is mounted on an output shaft of the third driving piece, a third bevel gear meshed with the bevel gear is fixedly connected to the mounting frame, a drill bit for drilling is mounted on the first sampling tube, and crushing teeth are arranged on the drill bit.
As the preference, still including the extension subassembly that is used for extending the sampling depth, extension subassembly can dismantle and set up between first sampling tube and mounting bracket, extension subassembly is including the second sampling tube, the second sampling tube can dismantle and connect between first sampling tube and mounting bracket, the symmetry is provided with the constant head tank in the second sampling tube, sliding connection has the connecting axle in the second sampling tube, the lower extreme of connecting axle is non-circular structure, the upper portion of connecting axle is provided with holds the groove, the lower extreme fixedly connected with baffle of second sampling tube, baffle symmetry rigid coupling has with adjacent constant head tank complex inserted bar for fixed first sampling tube, first sampling tube and second sampling tube all are provided with the slot, the slip is equipped with the release piece in the slot, the both ends of release piece set up to the taper lever for remove the fixed to first sampling tube and second sampling tube.
Preferably, the device further comprises a clamping assembly for fixing the second sampling tube, the clamping assembly is arranged on the support, the clamping assembly comprises symmetrically arranged clamping pieces, one ends of the clamping pieces are rotationally connected to the support, the clamping pieces are used for fixing the second sampling tube, the other ends of the clamping pieces are fixedly connected with fixing blocks, a fourth driving piece is mounted on the support, an output shaft of the fourth driving piece is fixedly connected with a first screw rod connected with the fixing blocks, and the directions of threads on two sides of the first screw rod are opposite.
Preferably, elastic lugs are fixedly connected in the adjacent clamping pieces and used for fixing the second sampling tube.
The invention also provides a soil-stone mixture stratified sampling method for geotechnical engineering, which adopts the stratified sampling device and comprises the following steps:
When the soil is subjected to layered sampling, an operator installs the invention on a mobile equipment carrier and moves the mobile equipment carrier to a position where the drilling is performed in advance, the operator cooperates a positioning groove of a first sampling tube with a clamping piece, starts a first driving piece to enable the mounting plate to drive a mounting frame, the clamping piece, a first driven shaft and the first sampling tube to move downwards, and after the first sampling tube goes deep into a proper position in the drilling, closes the first driving piece and starts a second driving piece to drive the first driven shaft and the second driven shaft to rotate through a belt wheel and a belt, the belt is always in a tight state through a tensioning assembly, and the second driven shaft drives a storage shell to rotate through a first bevel gear and a second bevel gear.
Further, because the second driven shaft is in threaded fit with the moving block, the second driven shaft rotates to drive the moving block, the toothed plate and the driving gear to rotate, the driving gear rotates to be matched with the rack, the side wall of the second driven axial drilling hole is enabled to move, the second driven shaft moves to enable the storage shell to move through the fixing frame and the second bevel gear, the storage shell moves and rotates to sample soil on the side wall of the drilling hole, and the soil limits the pushing plate and compresses a spring of the pushing plate.
Further, the second driving piece drives the second screw rod rotary lifting frame to move downwards through the spur gear, the lifting frame moves downwards through the cooperation of the pin rod and the chute, the positioning frame is close to the inner wall of the drill hole, and the upper side and the lower side are close to the inner wall of the drill hole to assist soil sampling; after the cardboard card is in the screens inslot, operating personnel starts the reverse rotation of second driving piece, makes to deposit the shell and keeps away from the sample position, prevents that soil from hindering and deposits the shell and upwards move, and operating personnel repeats above-mentioned reverse operation, makes mounting panel and first sampling tube upwards move and resets, and operating personnel will deposit the shell and pull out and deposit to the soil sample body in it, will deposit the shell again and reset, through above-mentioned mode, realizes the sample to soil, need not the repeated drilling sample, reaches the purpose of layering sample.
Furthermore, when deeper sampling is needed, an operator enables the first sampling pipe to extend downwards into the drilling hole, the fourth driving piece is started to drive the two fixing blocks to drive the two clamping pieces to limit the first sampling pipe through the second screw rod, the operator places the second sampling pipe on the upper side of the first sampling pipe, and the inserting rod is inserted into the positioning groove of the first sampling pipe to fix the first sampling pipe; starting a fourth driving piece to enable the two clamping pieces to release limit of the first sampling tube, enabling the second sampling tube to move downwards, installing a plurality of second sampling tubes by repeated operation of an operator, and enabling the first sampling tube to move downwards to a position to be sampled; the operator starts the first driving piece to enable the mounting plate to move downwards, so that the clamping piece is inserted into the positioning groove of the uppermost second sampling tube, and the fixing of the uppermost second sampling tube is completed; the operating personnel starts the second driving piece and drives the first driven shaft, the connecting shaft and the second driven shaft to rotate through the belt pulley and the belt, and soil in depth is sampled.
After soil is drilled, an operator starts a first driving piece to enable a mounting plate to move upwards, limits a second sampling tube through a clamping piece, inserts an unlocking piece into a slot of the uppermost second sampling tube, releases the fit between the second sampling tube and a mounting frame, inserts the unlocking piece into a slot of the second sampling tube from top to bottom, releases the limit of the uppermost second sampling tube, and removes the second sampling tube which is released from being fixed; the operator is repeating above-mentioned operation, shifts out many second sampling pipes and first sampling pipe in proper order and takes off the soil sampling body, through above-mentioned mode, realizes the soil of the different degree of depth of sample.
1. According to the invention, the toothed plate is driven to drive the transmission gear to be matched with the rack through the downward movement of the moving block, so that the first driven shaft and the second driven shaft drive the storage shell to be close to the inner wall of the drilling hole, the first driven shaft rotates to enable the storage shell to rotate through the first bevel gear and the second bevel gear, the storage shell moves and rotates to drill soil, the purpose of sampling soil is achieved, the purpose of layered sampling is achieved, repeated drilling and sampling are not needed, and the sampling efficiency is improved;
2. Limiting the first sampling tube or the second sampling tube by using the clamping piece, and additionally installing a plurality of second sampling tubes to enable the first sampling tube to extend into the depth of the drilling hole for layered sampling, so that the soil with different depths can be sampled, single repetition is not needed, and the purposes of saving time and improving sampling efficiency are achieved;
3. The position of soil sampling is changed through the rotating assembly, and the third driving piece is used for driving the bevel gear and the third bevel gear to enable the mounting rack to drive the first sampling pipe to rotate so as to adjust the position of soil sampling, so that sampling is carried out on different positions of the side wall of the drilled hole.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a perspective view of the stent, the limiting port and the tapered port of the present invention.
Fig. 3 is a cross-sectional view of the present invention.
Fig. 4 is a perspective view of the fastener and the first driven shaft of the present invention.
FIG. 5 is a perspective view showing the internal structure of the first sampling tube according to the present invention.
Fig. 6 is a perspective view of the storage shell, push plate and card of the present invention.
Fig. 7 is a perspective view of the second screw, spur gear, lifting frame and pin of the present invention.
FIG. 8 is a perspective view of a second sampling tube, connecting shaft, baffle and plunger of the present invention.
Fig. 9 is a perspective view of the clamping assembly of the present invention.
The marks of the components in the drawings are as follows: 1. the device comprises a bracket, 101, a limit opening, 102, a conical opening, 2, a mounting plate, 3, a first driving piece, 4, a locating rack, 5, a second driving piece, 6, a tensioning assembly, 7, a mounting rack, 8, a clamping piece, 9, a first driven shaft, 10, a first sampling tube, 11, a locating groove, 12, a second driven shaft, 13, a first bevel gear, 14, a fixing rack, 15, a second bevel gear, 17, a storage shell, 18, a clamping groove, 19, a push plate, 20, a clamping plate, 21, a moving block, 22, a toothed plate, 23, a transmission gear, 24, a rack, 25, a third driving piece, 26, a third bevel gear, 27, a drill bit, 28, a second sampling tube, 281, a connecting shaft, 29, a baffle, 30, an inserting rod, 31, an unlocking piece, 32, a clamping piece, 33, a fixed block, 34, a first screw, 35, a fourth driving piece, 36, a second screw, 37, a spur gear, 38, a lifting rack, 39, a pin rod, 40 and a chute.
Detailed Description
The invention will be further described with reference to specific examples, illustrative examples and illustrations of which are provided herein to illustrate the invention, but are not to be construed as limiting the invention.
Example 1
The utility model provides a soil and stone mixture layering sampling device for geotechnical engineering, refer to the FIG. 1-FIG. 7, including support 1, sliding connection has mounting panel 2 in support 1, the left and right sides of the interior bottom of support 1 is all installed through the bolt and is installed first driving piece 3 with mounting panel 2 downside rigid coupling, two first driving pieces 3 are electric putter, the anterior sliding connection of mounting panel 2 upside has locating rack 4, the bottom in locating rack 4 is installed second driving piece 5 through the bolt, second driving piece 5 is gear motor, the right part sliding connection of mounting panel 2 upside has tensioning module 6, the rear portion rotation of mounting panel 2 is connected with mounting bracket 7, the lower extreme symmetry rigid coupling of mounting bracket 7 has chucking spare 8, the lower extreme symmetry of mounting bracket 7 is connected with the gag lever post, two gag lever posts and two chucking spare 8 are crisscross, inseparable sliding connection has first driven shaft 9 in the mounting bracket 7, the lower end of the first driven shaft 9 is of a square structure, the output shaft of the second driving piece 5, the tensioning assembly 6 and the first driven shaft 9 are driven by pulleys and belts, the belts are of a triangular structure, positioning grooves 11 matched with the clamping pieces 8 are symmetrically arranged at the upper part in the first sampling tube 10 and used for fixing the first sampling tube 10, limiting grooves matched with limiting rods are symmetrically arranged at the upper part in the first sampling tube 10, through holes are symmetrically arranged in the first sampling tube 10, a storage shell 17 used for soil sampling is slidably arranged in the through holes of the first sampling tube 10, crushing teeth used for drilling soil are fixedly connected to the storage shell 17, a limiting opening 101 and a conical opening 102 are sequentially arranged in the middle of the support 1 from top to bottom, one side of the conical opening 102 with the small diameter is communicated with the limiting opening 101 and used for cleaning the soil adhered to the first sampling tube 10, the second driven shaft 12 is slidably connected to the first sampling tube 10, the upper end of the second driven shaft 12 is provided with a containing groove matched with the square structure of the first driven shaft 9, the square structure of the first driven shaft 9 is inserted into the containing groove of the second driven shaft 12 and used for driving the second driven shaft 12 to rotate, the upper part and the lower part of the second driven shaft 12 are fixedly connected with a first bevel gear 13, the upper part and the lower part of the second driven shaft 12 are rotatably connected with fixing frames 14, the two fixing frames 14 are respectively positioned on the lower sides of the adjacent first bevel gears 13, the fixing frames 14 are rotatably connected with second bevel gears 15 meshed with the first bevel gears 13, clamping grooves 18 are symmetrically arranged in a storage shell 17, a push plate 19 is slidably connected with the storage shell 17, an elastic piece rotationally connected with the fixing frames 14 is fixedly connected with the push plate 19, and clamping plates 20 matched with the adjacent clamping grooves 18 are symmetrically fixedly connected with the push plate 19 and used for limiting the positions of the push plate 19.
Referring to fig. 5, a moving block 21 slidably matched with the first sampling tube 10 is connected to the lower portion of the second driven shaft 12 in a threaded manner, two toothed plates 22 are fixedly connected to the lower side surface of the moving block 21, a transmission gear 23 meshed with the adjacent toothed plates 22 is symmetrically and rotatably connected to the first sampling tube 10 through a connecting rod, a rack 24 meshed with the adjacent transmission gear 23 is symmetrically connected to the inner bottom of the first sampling tube 10, the rack 24 is staggered with the adjacent toothed plates 22, the second driven shaft 12 rotates to enable the moving block 21 to drive the toothed plates 22 to drive the transmission gear 23 to rotate, the transmission gear 23 rotates to be meshed with the rack 24, and the second driven shaft 12 moves towards the side wall of a drilling hole to provide power for sampling soil of the storage shell 17.
Referring to fig. 7, the positioning frame 4 is rotatably connected with two second screws 36, the two second screws 36 are located at the left side and the right side of the second driving piece 5, the output shafts of the second screws 36 and the second driving piece 5 are fixedly connected with mutually meshed spur gears 37, a lifting frame 38 in sliding fit with the positioning frame 4 is connected between adjacent second screws 36, the left wall and the right wall of the lifting frame 38 are fixedly connected with pin rods 39, the left part and the right part of the mounting plate 2 are respectively provided with a sliding groove 40 in matching with the adjacent pin rods 39, the second driving piece 5 rotates to enable the second screws 36 to rotate through the spur gears 37, and the lifting frame 38 moves downwards through matching of the pin rods 39 and the sliding grooves 40, so that the positioning frame 4 moves towards the side wall of a drilling hole.
When the soil is subjected to stratified sampling, an operator installs the soil sampling device on a mobile equipment carrier, moves the soil sampling device to a position where a hole is drilled in advance, the operator cooperates a positioning groove 11 of a first sampling tube 10 with a clamping piece 8, starts a first driving piece 3 to enable a mounting plate 2 to drive a mounting frame 7, the clamping piece 8, a first driven shaft 9 and the first sampling tube 10 to move downwards, closes the first driving piece 3 after the first sampling tube 10 penetrates into a proper position in the hole downwards, starts a second driving piece 5 to drive the first driven shaft 9 and the second driven shaft 12 to rotate through pulleys and a belt, enables the belt to be always in a tight state through a tensioning assembly 6, and drives a storage shell 17 to rotate through a first bevel gear 13 and a second bevel gear 15.
In the above process, since the second driven shaft 12 is in threaded engagement with the moving block 21, the second driven shaft 12 rotates to drive the moving block 21, the toothed plate 22 and the driving gear 23 to rotate, and the driving gear 23 rotates to engage with the rack 24 to move the second driven shaft 12 toward the side wall of the borehole, the second driven shaft 12 moves to move the storage shell 17 through the fixing frame 14 and the second bevel gear 15, the storage shell 17 moves and rotates to sample soil on the side wall of the borehole, and the soil limits the push plate 19 and compresses the spring of the push plate 19.
In the process, the second driving piece 5 drives the second screw 36 to rotate through the spur gear 37 to move downwards, the lifting frame 38 moves downwards to be matched with the sliding groove 40 through the pin rod 39, the positioning frame 4 is close to the inner wall of the drilling hole, the upper side and the lower side are close to the inner wall of the drilling hole to assist in soil sampling, after the clamping plate 20 is clamped in the clamping groove 18, an operator starts the second driving piece 5 to rotate reversely, the storage shell 17 is far away from the sampling position, the soil is prevented from obstructing the upward movement of the storage shell 17, the operator repeats the reverse operation, the mounting plate 2 and the first sampling tube 10 move upwards to reset, the operator removes the storage shell 17 and takes out and stores the soil sample in the storage shell, the operator resets the storage shell 17, the purposes of sampling the soil without repeated drilling and sampling are achieved, and the sampling efficiency is improved.
Example 2
On the basis of embodiment 1, refer to fig. 1, still include the rotary component who is used for adjusting the sampling position, rotary component sets up in mounting panel 2, mounting bracket 7 and first sampling tube 10 between, rotary component includes third driving piece 25, third driving piece 25 sets up in the upside of mounting panel 2, third driving piece 25 is located the left side of mounting bracket 7, the bevel gear is installed to the output shaft of third driving piece 25, the upper portion rigid coupling of the outer anchor ring of mounting bracket 7 has the third bevel gear 26 with the bevel gear meshing, drill bit 27 for drilling is installed to first sampling tube 10, drill bit 27 is the toper, the toper face of drill bit 27 is provided with broken tooth, when the position adjustment to the sample is required, operating personnel starts third driving piece 25 and passes through bevel gear and third bevel gear 26 transmission, make mounting bracket 7 drive first sampling tube 10 rotation regulation soil sampling position, the position of using personnel to close third driving piece 25, the position of first sampling tube 10 is fixed in the mode of auto-lock, change soil sampling position, realize taking a sample to the different positions of drilling lateral wall.
Referring to fig. 3 and 8, the device further comprises an extension component for extending the sampling depth, the extension component is detachably arranged between the first sampling tube 10 and the mounting frame 7, the extension component comprises a second sampling tube 28, the second sampling tube 28 is detachably connected between the first sampling tube 10 and the mounting frame 7, a positioning groove 11 is symmetrically arranged in the second sampling tube 28, a connecting shaft 281 is slidably connected in the second sampling tube 28, the lower end of the connecting shaft 281 is of a square structure, a containing groove is arranged on the upper portion of the connecting shaft 281, a baffle 29 is welded at the lower end of the second sampling tube 28, a plug rod 30 matched with the adjacent positioning groove 11 is fixedly connected at the bottom of the baffle 29, and is used for fixing the first sampling tube 10, slots are respectively arranged on the first sampling tube 10 and the second sampling tube 28, unlocking pieces 31 are slidably arranged in the slots, two ends of the unlocking pieces 31 are arranged into the conical rods, the unlocking pieces 31 are inserted into the slots, the lower portions of the two plug rods 30 or the two clamping pieces 8 are mutually gathered away from the slots, and the fixing of the first sampling tube 10 and the second sampling tube 28 is released.
Referring to fig. 9, the device further comprises a clamping assembly for fixing the second sampling tube 28, the clamping assembly is arranged on the bracket 1, the clamping assembly comprises symmetrically arranged clamping pieces 32, the clamping pieces 32 are rotationally connected to the left part in the bracket 1, elastic protruding blocks are fixedly connected in adjacent clamping pieces 32 and used for fixing the first sampling tube 10 and the second sampling tube 28, the right end of each clamping piece 32 is fixedly connected with a fixing block 33, a fourth driving piece 35 is mounted on the right part in the bracket 1 through bolts, the front end of an output shaft of the fourth driving piece 35 is fixedly connected with a first screw 34 connected with the fixing blocks 33, the front and rear screw directions of the first screw 34 are opposite, and the fourth driving piece 35 drives the two fixing blocks 33 to be away from each other through the first screw 34, so that the two clamping pieces 32 are away from each other and the fixing of the first sampling tube 10 and the second sampling tube 28 is released.
When the deeper part of the drill hole needs to be sampled, an operator enables the first sampling tube 10 to deeply penetrate into the drill hole, the operator starts the fourth driving piece 35 to drive the two fixing blocks 33 to drive the two clamping pieces 32 to limit the first sampling tube 10 through the second screw rod 36, the operator places the second sampling tube 28 on the upper side of the first sampling tube 10, the inserting rod 30 is inserted into the positioning groove 11 of the first sampling tube 10 to fix the first sampling tube 10, the fourth driving piece 35 is started to enable the two clamping pieces 32 to release the limit of the first sampling tube 10, the second sampling tube 28 is enabled to move downwards, the operator repeatedly operates to install the plurality of second sampling tubes 28, the first sampling tube 10 is enabled to move downwards to the position where the sampling is needed, the operator starts the first driving piece 3 to enable the mounting plate 2 to move downwards, the clamping piece 8 is inserted into the positioning groove 11 of the uppermost second sampling tube 28, the fixing of the uppermost second sampling tube 28 is completed, and the operator starts the second driving piece 5 to drive the first driven shaft 9, the connecting shaft 281 and the second driven shaft 12 to rotate through the belt, and the second driven shaft 281 and the soil in depth is sampled.
After the soil is drilled, an operator starts the first driving piece 3 to enable the mounting plate 2 to move upwards, and limits the second sampling tube 28 through the clamping piece 32, the operator inserts the unlocking piece 31 into the slot of the uppermost second sampling tube 28, the cooperation of the second sampling tube 28 and the mounting frame 7 is relieved, the unlocking piece 31 is inserted into the slot of the second sampling tube 28 from top to bottom, the limit of the uppermost second sampling tube 28 is relieved, the operator removes the unfixed second sampling tube 28, the operator sequentially removes the second sampling tubes 28 and the first sampling tube 10 and takes down the soil sampling body in the repeated operation, the soil with different depths is sampled through the mode, single repetition is not needed, and the purpose of saving time and improving the sampling efficiency is achieved.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. Soil-stone mixture stratified sampling device for geotechnical engineering, characterized by: comprises a bracket (1), a mounting plate (2) is slidably connected in the bracket (1), a first driving part (3) fixedly connected with the mounting plate (2) is symmetrically arranged in the bracket (1), a positioning frame (4) is slidably connected in the mounting plate (2), a second driving part (5) is arranged in the positioning frame (4), a tensioning assembly (6) is slidably connected in the mounting plate (2), a mounting frame (7) is rotatably connected in the mounting frame (7), a first driven shaft (9) is slidably connected in the mounting frame (7), an output shaft of the second driving part (5), the tensioning assembly (6) and the first driven shaft (9) are in transmission through pulleys and belts, the belts are of triangular structures, the mounting frame (7) is detachably connected with a first sampling pipe (10), the first driving part (3) is in transmission with the first sampling pipe (10) through the mounting plate (2), a through hole is symmetrically arranged in the first sampling pipe (10), a second driven shaft (12) which is detachably connected with the first driven shaft (9) is slidably connected, the second driven shaft (12) is used for transmitting the rotation of the second driven shaft (12), the second driven shaft (12) is in transmission of the first bevel gear (13) and is fixedly connected with the first bevel gear (13), the fixed frame (14) is rotationally connected with a second bevel gear (15) meshed with the first bevel gear (13), the through hole of the first sampling tube (10) is slidably connected with a storage shell (17), the storage shell (17) is fixedly connected with the second bevel gear (15) through an annular ring, the storage shell (17) is fixedly connected with crushing teeth for drilling soil, and the second driving piece (5) drives the storage shell (17) to rotationally drill soil with different depths through the first driven shaft (9) and the second driven shaft (12);
One end of the mounting frame (7) is symmetrically and fixedly connected with a clamping piece (8) and a limiting rod, the limiting rod and the clamping piece (8) are staggered, the upper part in the first sampling tube (10) is symmetrically provided with a positioning groove (11) matched with the clamping piece (8) and used for fixing the first sampling tube (10), the upper part in the first sampling tube (10) is symmetrically provided with a limiting groove matched with the limiting rod, the storage shell (17) is internally and symmetrically provided with a clamping groove (18), the storage shell (17) is slidably connected with a push plate (19), the push plate (19) is fixedly connected with an elastic piece rotationally connected with the mounting frame (14), and the push plate (19) is symmetrically and fixedly connected with a clamping plate (20) matched with the adjacent clamping groove (18) and used for limiting the position of the push plate (19);
The lower part of the second driven shaft (12) is in threaded connection with a moving block (21) which is in sliding fit with the first sampling tube (10), the moving block (21) is symmetrically and fixedly connected with a toothed plate (22), a transmission gear (23) meshed with the toothed plate (22) is symmetrically and rotationally connected in the first sampling tube (10) through a connecting rod, a rack (24) meshed with the transmission gear (23) is symmetrically connected in the first sampling tube (10), and the racks (24) are staggered with the toothed plate (22) and are used for driving the storage shell (17) to move;
The positioning frame (4) is symmetrically and rotationally connected with a second screw rod (36), the second driving piece (5) is positioned at the inner side of the adjacent second screw rod (36), the output shafts of the second screw rod (36) and the second driving piece (5) are fixedly connected with mutually meshed spur gears (37), a lifting frame (38) which is in sliding fit with the positioning frame (4) is connected between the adjacent second screw rods (36), the lifting frame (38) is symmetrically and fixedly connected with a pin rod (39), and the mounting plate (2) is symmetrically provided with sliding grooves (40) which are matched with the adjacent pin rod (39) and used for pushing the positioning frame (4);
The second driven shaft rotates to enable the moving block to drive the toothed plate to drive the transmission gear to rotate, the transmission gear rotates to be meshed with the rack, the second driven shaft moves along the side wall of the drilling hole, and power is provided for the storage shell to sample soil;
the second driving piece drives the second screw rod rotary lifting frame to move downwards through the spur gear, the lifting frame moves downwards through the cooperation of the pin rod and the chute, the positioning frame is close to the inner wall of the drill hole, and the upper side and the lower side are close to the inner wall of the drill hole through the upper side and the lower side to assist soil sampling.
2. The geotechnical engineering soil-stone mixture layered sampling device according to claim 1, wherein: the support (1) is provided with a limiting opening (101) and a conical opening (102) from top to bottom in sequence, and one side with small diameter of the conical opening (102) is communicated with the limiting opening (101) and used for cleaning soil adhered to the first sampling tube (10).
3. The geotechnical engineering soil-stone mixture layered sampling device according to claim 1, wherein: the first driven shaft (9) is of a non-circular structure, and the second driven shaft (12) is provided with a containing groove matched with the non-circular structure of the first driven shaft (9) to provide power for driving the second driven shaft (12) to rotate.
4. The geotechnical engineering soil-stone mixture layered sampling device according to claim 1, wherein: still including being used for adjusting the rotating assembly of sampling position, rotating assembly sets up on mounting panel (2), between mounting bracket (7) and first sampling tube (10), rotating assembly includes third driving piece (25), third driving piece (25) set up on mounting panel (2), bevel gear is installed to the output shaft of third driving piece (25), mounting bracket (7) rigid coupling have with bevel gear engagement's third bevel gear (26), drill bit (27) that are used for drilling are installed to first sampling tube (10), drill bit (27) are provided with broken tooth.
5. The geotechnical engineering soil-rock mixture layered sampling device according to claim 4, wherein: the automatic sampling device is characterized by further comprising a lengthening component for extending the sampling depth, wherein the lengthening component is detachably arranged between the first sampling tube (10) and the mounting frame (7), the lengthening component comprises a second sampling tube (28), the second sampling tube (28) is detachably connected between the first sampling tube (10) and the mounting frame (7), positioning grooves (11) are symmetrically arranged in the second sampling tube (28), a connecting shaft (281) is connected in the second sampling tube (28) in a sliding manner, the lower end of the connecting shaft (281) is of a non-circular structure, a containing groove is formed in the upper portion of the connecting shaft (281), a baffle (29) is fixedly connected to the lower end of the second sampling tube (28), a plug rod (30) matched with the adjacent positioning grooves (11) is fixedly connected to the baffle (29) symmetrically, the first sampling tube (10) and the second sampling tube (28) are both provided with slots, unlocking pieces (31) are slidably arranged in the slots, and two ends of the unlocking pieces (31) are provided with conical rods and used for releasing the fixing of the first sampling tube (10) and the second sampling tube (28).
6. The geotechnical engineering soil-rock mixture layered sampling device according to claim 5, wherein: still including being used for fixed second sampling tube (28) clamping assembly, clamping assembly sets up on support (1), clamping assembly is including clamping piece (32) that the symmetry set up, the one end rotation of clamping piece (32) is connected in support (1), clamping piece (32) are used for fixed second sampling tube (28), the other end rigid coupling of clamping piece (32) has fixed block (33), fourth driving piece (35) are installed to support (1), the output shaft rigid coupling of fourth driving piece (35) has first screw rod (34) of being connected with fixed block (33), the screw thread direction of first screw rod (34) both sides is opposite.
7. The geotechnical engineering soil-rock mixture layered sampling device according to claim 6, wherein: elastic lugs are fixedly connected in the adjacent clamping pieces (32) and are used for fixing the second sampling tube (28).
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| CN116296559B (en) * | 2023-05-17 | 2023-08-29 | 中国铝业股份有限公司 | Rock stratum sample collection tool convenient to store and used for mine field |
| CN116735256B (en) * | 2023-06-20 | 2024-02-06 | 深圳市鑫盛源建设工程质量检测有限公司 | Soil sampling and detecting device for building construction |
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