CN119290498B - A soil sample sampling device for construction - Google Patents
A soil sample sampling device for construction Download PDFInfo
- Publication number
- CN119290498B CN119290498B CN202411844848.2A CN202411844848A CN119290498B CN 119290498 B CN119290498 B CN 119290498B CN 202411844848 A CN202411844848 A CN 202411844848A CN 119290498 B CN119290498 B CN 119290498B
- Authority
- CN
- China
- Prior art keywords
- groove
- sampling
- negative pressure
- drill rod
- pressure cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005070 sampling Methods 0.000 title claims abstract description 90
- 239000002689 soil Substances 0.000 title claims abstract description 46
- 238000010276 construction Methods 0.000 title claims abstract description 19
- 238000005553 drilling Methods 0.000 claims abstract description 70
- 238000004891 communication Methods 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000013049 sediment Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
- G01N2001/1418—Depression, aspiration
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a soil sample sampling device for construction, which belongs to the technical field of soil sample sampling and solves the problems of inconvenient sampling of soil layers with high mobility and inconvenient depth fixed-point sampling, and the soil sample sampling device comprises an upper mounting frame and a lower mounting frame, wherein a support column is arranged between the two mounting frames at equal angles, a longitudinal moving platform is arranged between the two mounting frames, a drilling sampling assembly is arranged below the longitudinal moving platform, the drilling sampling assembly comprises a drill rod, the bottom end of the drill rod is provided with a drill bit unit, a sampling groove is formed in the drill rod, the sampling groove penetrates to the bottom end of the drill rod, a negative pressure cavity is formed in the drill rod, and the negative pressure cavity is arranged above the sampling groove; in operation, when the drilling part is moved to a position where sampling is needed, the drill rod moves upwards to be separated from the drilling part, so that the sampling groove is opened, soil enters the sampling groove through the space between the drill rod and the drilling part to finish sampling, and sampling is conveniently performed on soil layers with needed depths.
Description
Technical Field
The invention belongs to the technical field of soil sample sampling, and particularly relates to a soil sample sampling device for construction.
Background
The coastline of China is a country with a long coastline, such as Jiangsu Ningbo, hebei Cangzhou and Shanghai, the coastal cities are famous coastal cities, sediment is easy to accumulate under the action of ocean currents and inland rivers, sediment particles are loose, mobility is high, bearing capacity is low, therefore, when a construction facility is constructed, soil layers below construction positions need to be sampled, certain adjustment is needed according to the properties of sediment of different soil layer depths at different positions of construction, foundation construction methods need to be adjusted, fixed-point sampling is needed for sediment of different soil layer depths, the existing sampling equipment generally adopts hollow sampling tubes, and soil at corresponding positions is filled in the sampling tubes along with the downward movement of a drill bit, so that the sampling is finished, but the following defects still exist:
When taking a sample, because silt mobility is higher, when the sampling tube pulls out, silt discharges under the action of gravity for the sampling effect is not good, and inconvenient fixed point sample is carried out to the soil layer of required degree of depth.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the soil sample sampling device for construction, which effectively solves the problems that the soil layer with high mobility is inconvenient to sample and the depth is inconvenient to sample at fixed points.
The soil sample sampling device for construction comprises an upper mounting frame and a lower mounting frame, wherein a support column is arranged between the two mounting frames at equal angles, a longitudinal moving platform is arranged between the two mounting frames, and a drilling sampling assembly is arranged below the longitudinal moving platform;
The drilling sampling assembly comprises a drill rod, a drill bit unit is arranged at the bottom end of the drill rod, a sampling groove is formed in the drill rod, the sampling groove penetrates to the bottom end of the drill rod, a negative pressure cavity is formed in the drill rod, the negative pressure cavity is arranged above the sampling groove, a filter plate is arranged between the sampling groove and the negative pressure cavity, a gas sending cavity is formed in the drill rod, a first connecting pipe and a second connecting pipe are respectively arranged at the top end of the side wall of the drill rod, a clamping fixing unit is arranged at the outer side of the negative pressure cavity, and an exhaust pushing unit is arranged at the bottom end of the gas sending cavity.
Preferably, the air supply cavity is coaxially arranged at the outer side of the negative pressure cavity, the first connecting pipe is communicated with the negative pressure cavity, the second connecting pipe is communicated with the air supply cavity, the air pump is arranged at the top end of the mounting frame, the air suction end of the air pump is connected with the first connecting pipe through a hose when the air pump needs to be connected, and the air discharge end of the air pump is connected with the second connecting pipe through a hose.
Preferably, the drill bit unit is including setting up the portion of boring in the drilling rod below, and the diameter of boring the portion is greater than the diameter of drilling the rod, and the drill bit is installed to the bottom of boring the portion, and helical blade is installed in the outside of boring the portion, and the bottom of drilling the rod is provided with the bottom conical surface, and the bottom conical surface is close to the one end downward sloping setting of sampling groove, and the roof of boring the portion hugs closely with the diapire of bottom conical surface.
Preferably, the inside equiangle of drilling rod has seted up the board groove, and the board groove equiangle sets up in the circumference of sampling groove, and the kerve has been seted up to the bottom of board groove, and the kerve runs through to the below of bottom conical surface, and the inside slidable mounting of board groove has the sliding plate, and the bottom fixed mounting of sliding plate has the bottom pole, and the bottom of bottom pole passes kerve and drilling part fixed connection, and the top of sliding plate is provided with the extrusion cambered surface, and the draw-in groove has been seted up to one side that the sliding plate is close to the sampling groove.
Preferably, the clamping fixing unit comprises an outer movable groove which is formed in one side of the plate groove close to the negative pressure cavity, a clamping block is movably mounted in the outer movable groove, a first spring is symmetrically mounted on one side of the clamping block close to the negative pressure cavity, one end of the first spring is fixedly connected with the inner wall of the end part of the outer movable groove, a first pressure inclined surface is formed in the bottom of the other end of the clamping block, the bottom end of the first pressure inclined surface is obliquely arranged towards one side of the negative pressure cavity, and the other end of the clamping block is clamped into the clamping groove.
Preferably, the inner movable groove is formed in the inner wall of the negative pressure cavity at equal angles, the inner movable groove corresponds to the outer movable groove one by one, the communication groove is formed between the outer movable groove and the inner movable groove, the piston block is movably mounted in the inner movable groove, the connecting rod is mounted between the piston block and the clamping block, and the connecting rod penetrates through the communication groove.
Preferably, the exhaust pushing unit comprises a containing groove arranged at the top end of the plate groove, one end of the containing groove penetrates through the outer side of the drill rod, the top end of the containing groove is provided with an air vent groove, the top end of the air vent groove is communicated with the air supply cavity, a moving block is movably arranged in the containing groove, the outer wall of the moving block is tightly attached to the inside of the containing groove, a second spring is symmetrically arranged on one side, close to the negative pressure cavity, of the moving block, and one end of the second spring is fixedly connected with the inner wall of the end part of the containing groove.
Preferably, the movable block is located one side that the ventilation slot kept away from the negative pressure chamber, transverse exhaust groove has been seted up to the inside of movable block, transverse exhaust groove's one end runs through one side that the movable block is close to the negative pressure chamber, longitudinal exhaust groove has been seted up to the inside equidistance of movable block, longitudinal exhaust groove's top and transverse exhaust groove keep away from one end bottom intercommunication in negative pressure chamber, longitudinal exhaust groove's bottom runs through the below to the movable block, the constant head tank has been seted up to the bottom of movable block, the second pressurized inclined plane has been seted up to one side that the constant head tank is close to the negative pressure chamber, the constant head tank is located the below of transverse exhaust groove and longitudinal exhaust groove is close to one side in negative pressure chamber, the inside of constant head tank is gone into to the top card of sliding plate.
Preferably, the top of drilling rod is connected with the output of rotating electrical machines, rotating electrical machines fixed mounting in indulge the top of moving the platform, install the guide bar between two mounting brackets, indulge and move platform and guide bar sliding connection, rotate between two mounting brackets and install the screw rod, screw rod and indulge and move platform threaded connection, the top of screw rod and driving motor's output shaft fixed connection, driving motor fixed mounting is in the top of top mounting bracket, and the bottom four corners department of below mounting bracket all installs the removal wheel.
Compared with the prior art, the invention has the beneficial effects that:
1) In operation, the drilling part and the drill rod can be separated, in the drilling process, the clamping block is clamped with the clamping groove, so that the bottom end of the drill rod is tightly attached to the top wall of the drilling part, when the drill rod moves to a position needing to be sampled, the clamping block is separated from the clamping groove, the drill rod moves upwards to be separated from the drilling part, so that the sampling groove is opened, soil enters the sampling groove between the drill rod and the drilling part to finish sampling, the drilling part and the drill rod are re-fixed after the sampling is finished, fixed-point sampling is conveniently performed on soil layers with required depths, and soil with larger mobility is conveniently sampled;
2) In operation, after the drilling part is drilled to a required depth, the air pump is connected with the first connecting pipe and the second connecting pipe, negative pressure is generated in the negative pressure cavity through the air pump, attractive force is generated on the piston block, the clamping block is separated from the clamping groove, meanwhile, after the drilling part is separated from the drill rod, suction is generated on soil through the negative pressure, and the soil enters the sampling groove, so that sampling is convenient;
3) In operation, when the drilling part is separated from the drill rod, the sliding plate moves downwards in the plate groove to be separated from the positioning groove, the moving block moves outwards under the action of the elastic force of the second spring, and after the air pump is started, the air in the negative pressure cavity can be driven to be sprayed downwards towards the periphery of the drill rod through the longitudinal exhaust groove, so that soil around the drill rod is pushed to move downwards, soil is pushed into the sampling groove conveniently, and sampling is further facilitated;
4) In operation, through the top of the sliding plate that sets up being provided with the extrusion cambered surface, the sliding plate upwards moves and can produce effort to first pressurized inclined plane and second pressurized inclined plane to make things convenient for the sliding plate to move back, and make fixture block and draw-in groove joint, make things convenient for the movable block to move back to the holding tank inside simultaneously, make things convenient for each part of equipment to move back.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
In the drawings:
FIG. 1 is a schematic view of a construction soil sample sampling device according to the present invention;
FIG. 2 is a schematic view of a drilling and sampling assembly according to the present invention;
FIG. 3 is a schematic view of the internal structure of the drill rod of the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3A according to the present invention;
FIG. 5 is a schematic view of a bit unit according to the present invention;
FIG. 6 is a schematic view of a fastening unit according to the present invention;
FIG. 7 is an enlarged schematic view of the structure of FIG. 4B according to the present invention;
Fig. 8 is a schematic diagram of a moving block structure according to the present invention.
In the figure, 1, a mounting frame, 2, a support column, 3, a moving wheel, 4, a longitudinally moving table, 5, a drilling sampling assembly, 501, a drill rod, 502, a drill bit unit, 5021, a drilling part, 5022, a drill bit part, 5023, a helical blade, 5024, a plate groove, 5025, a bottom groove, 5026, a sliding plate, 5027, a bottom rod, 5028, a pressing cambered surface, 5029, a clamping groove, 503, a sampling groove, 504, a negative pressure cavity, 505, a filter plate, 506, a first connecting pipe, 507, an air supply cavity, 508, a second connecting pipe, 509, a clamping fixing unit, 5091, an outer moving groove, 5092, an inner moving groove, 5093, a communicating groove, 5094, a clamping block, 5095, a first spring, 5096, a first pressed inclined surface, 5097, a piston block, 5098, a connecting rod, 510, an air discharge pushing unit, 5101, a containing groove, 5102, a ventilation groove 5103, a moving block, 5024, a second spring, 5, a positioning groove, 6, a second pressed inclined surface, a motor, 5107, a transverse inclined surface, a motor, a rotary driving groove, 5108, a conical surface, a guide shaft, 511, a 10 and 10 are arranged.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present invention are within the scope of protection of the present invention.
The invention relates to a soil sample sampling device for construction, which is provided with an upper mounting frame 1 and a lower mounting frame 1, wherein a support column 2 is arranged between the two mounting frames 1 at equal angles, a longitudinal moving platform 4 is arranged between the two mounting frames 1, and a drilling sampling assembly 5 is arranged below the longitudinal moving platform 4;
the drilling sampling assembly 5 comprises a drill rod 501, a drill bit unit 502 is arranged at the bottom end of the drill rod 501, a sampling groove 503 is formed in the drill rod 501, the sampling groove 503 penetrates to the bottom end of the drill rod 501, a negative pressure cavity 504 is formed in the drill rod 501, the negative pressure cavity 504 is arranged above the sampling groove 503, a filter plate 505 is installed between the sampling groove 503 and the negative pressure cavity 504, a gas sending cavity 507 is formed in the drill rod 501, a first connecting pipe 506 and a second connecting pipe 508 are respectively installed at the top end of the side wall of the drill rod 501, a clamping fixing unit 509 is installed at the outer side of the negative pressure cavity 504, a gas exhausting pushing unit 510 is installed at the bottom end of the gas sending cavity 507, the gas sending cavity 507 is coaxially arranged at the outer side of the negative pressure cavity 504, the first connecting pipe 506 is communicated with the negative pressure cavity 504, the second connecting pipe 508 is communicated with the gas sending cavity 507, the gas pump 10 is installed at the top end of the mounting frame 1, and when connection is needed, the gas sucking end of the gas pump 10 is connected with the first connecting pipe 506 through a hose, and the gas exhausting end of the gas pump 10 is connected with the second connecting pipe 508 through a hose.
The drill bit unit 502 is including setting up in the drilling portion 5021 of drilling portion 5021 below drilling portion 5021's diameter is greater than the diameter of drilling portion 501, drilling portion 5022 is installed to drilling portion 5021's bottom, screw blade 5023 is installed in drilling portion 5021's the outside, drilling portion's 501 bottom is provided with bottom conical surface 511, bottom conical surface 511 is close to the one end downward sloping setting of sampling groove 503, drilling portion 5021's roof is hugged closely with the diapire of bottom conical surface 511, the inside equiangular degree of drilling portion 501 has seted up the integrated circuit board 5024, integrated circuit board equiangular degree sets up on the circumference of sampling groove 503, integrated circuit board 5025 has been seted up to integrated circuit board 5024's bottom, integrated circuit board 5025 runs through to the below of bottom conical surface 511, integrated circuit board 5026's inside slidable mounting has integrated circuit board 5026, integrated circuit board 5026's bottom fixed mounting has integrated circuit board 5027, integrated circuit board 5027's bottom passes integrated circuit board 5025 and drilling portion 5021 fixed connection, integrated circuit board 5026's top is provided with extrusion cambered surface 5028, integrated circuit board 5026 has been close to one side of sampling groove 503.
The clamping fixing unit 509 comprises an outer movable groove 5091 arranged on one side of a plate groove 5024 close to a negative pressure cavity 504, a clamping block 5094 is movably arranged in the outer movable groove 5091, a first spring 5095 is symmetrically arranged on one side of the clamping block 5094 close to the negative pressure cavity 504, one end of the first spring 5095 is fixedly connected with the inner wall of the end part of the outer movable groove 5091, a first pressure inclined surface 5096 is arranged at the bottom of the other end of the clamping block 5094, the bottom end of the first pressure inclined surface 5096 is obliquely arranged towards one side of the negative pressure cavity 504, the other end of the clamping block 5094 is clamped into a clamping groove 5029, a drilling part 5021 and a drilling part 5021 can be separated, in the drilling process, the clamping block 5094 is clamped with the clamping groove 5029, the bottom end of the drilling part 5021 is tightly attached to the top wall of the drilling part 5021, when the drilling part is moved to a required sampling position, the clamping block 5094 is separated from the clamping groove 5029, the drilling part 501 moves upwards to be separated from the drilling part 503, the sampling part 503 is opened, soil enters the sampling groove 503 through the drill rod 501 and the drilling part 5021 to finish sampling, thereby facilitating sampling in soil layers with required depth, an inner movable groove 5092 is formed on the inner wall of the negative pressure cavity 504 at equal angles, the inner movable groove 5092 corresponds to the outer movable groove 5091 one by one, a communication groove 5093 is formed between the outer movable groove 5091 and the inner movable groove 5092, a piston block 5097 is movably arranged in the inner movable groove 5092, a connecting rod 5098 is arranged between the piston block 5097 and a clamping block 5094, the connecting rod 5098 penetrates through the communication groove 5093, after the drilling part 5021 drills to the required depth, the air pump 10 is connected with the first connecting pipe 506 and the second connecting pipe 508, negative pressure is generated in the negative pressure cavity 504 through the air pump 10, suction force is generated on the piston block 5097, so that the clamping block 5094 and the clamping groove 5029 are separated from the clamping groove 5029, after the drilling part 5021 is separated from the drill rod 501, the soil is generated through the negative pressure, and the soil enters the sampling groove 503, and the sampling is convenient.
The exhaust pushing unit 510 comprises a containing groove 5101 arranged at the top end of the plate groove 5024, one end of the containing groove 5101 penetrates to the outer side of the drill rod 501, an air vent groove 5102 is arranged at the top end of the containing groove 5101, the top end of the air vent groove 5102 is communicated with the air supply cavity 507, a moving block 5103 is movably arranged in the containing groove 5101, the outer wall of the moving block 5103 is tightly attached to the inside of the containing groove 5101, a second spring 5104 is symmetrically arranged at one side of the moving block 5103 close to the negative pressure cavity 504, one end of the second spring 5104 is fixedly connected with the inner wall of the end of the containing groove 5101, the moving block 5103 is positioned at one side of the air vent groove 5102 far away from the negative pressure cavity 504, a transverse exhaust groove 5107 is arranged in the inside of the moving block 5103, one end of the transverse exhaust groove 5107 penetrates to one side of the moving block 5103 close to the negative pressure cavity 504, a longitudinal exhaust groove 5108 is arranged in an equidistant manner in the inside of the moving block 5103, the top end of the longitudinal exhaust groove 5108 is communicated with the bottom of one end of the transverse exhaust groove 5107 far away from the negative pressure cavity 504, the bottom end of the vertical exhaust groove 5108 penetrates to the lower part of the moving block 5103, the bottom end of the moving block 5103 is provided with a positioning groove 5105, one side of the positioning groove 5105 close to the negative pressure cavity 504 is provided with a second pressed inclined surface 5106, the top end of the sliding plate 5026 is provided with an extrusion cambered surface 5028, the sliding plate 5026 can generate acting force on the first pressed inclined surface 5096 and the second pressed inclined surface 5106, thereby facilitating the sliding plate 5026 to move back, the clamping block 5094 is clamped with the clamping groove 5029, simultaneously, the moving block 5103 is convenient to move back to the accommodating groove 5101, the parts of equipment are convenient to move back, the positioning groove 5105 is positioned below the horizontal exhaust groove 5107 and one side of the vertical exhaust groove 5108 close to the negative pressure cavity 504, the top end of the sliding plate 5026 is clamped into the positioning groove 5105, when the drilling part 5021 is separated from the drill rod 501, the sliding plate 5026 moves downwards in the plate 5024 and is separated from the positioning groove 5105, the movable block 5103 moves outwards under the action of the elasticity of the second spring 5104, and after the air pump 10 is opened, the air in the negative pressure cavity 504 can be driven to be sprayed downwards towards the periphery of the drill rod 501 through the longitudinal exhaust groove 5108, so that soil around the drill rod 501 is pushed to move downwards, the soil is conveniently pushed into the sampling groove 503, and further sampling is facilitated.
The top of drilling rod 501 is connected with the output of rotating electrical machines 6, rotating electrical machines 6 fixed mounting is in the top of indulging moving platform 4, install guide bar 7 between two mounting brackets 1, indulge moving platform 4 and guide bar 7 sliding connection, rotate between two mounting brackets 1 and install screw rod 8, screw rod 8 and indulge moving platform 4 threaded connection, the top of screw rod 8 and the output shaft fixed connection of driving motor 9, driving motor 9 fixed mounting is in the top of top mounting bracket 1, the bottom four corners department of below mounting bracket 1 all installs and removes wheel 3.
When the working principle is that during working, firstly, a drilling position is selected, equipment is moved to the drilling position through a moving wheel 3, then a rotating motor 6 and a driving motor 9 are started, when the rotating motor 6 is started, a drill rod 501 and a drilling part 5021 are driven to rotate, when the driving motor 9 is started, a screw rod 8 is driven to rotate, and the screw rod 8 is in threaded connection with a longitudinally moving table 4, so that the drill rod 501 is driven to move downwards, and the drill rod 501 is continuously drilled downwards;
When the drill rod 501 moves downwards until the bottom end of the drill rod 501 moves to the depth where sampling is needed, the rotating motor 6 and the driving motor 9 are powered off and stopped, then the air suction end of the air pump 10 is connected with the first connecting pipe 506 through a hose, the air discharge end of the air pump 10 is connected with the second connecting pipe 508 through a hose, and the air pump 10 is started, at this time, the bottom end of the bottom conical surface 511 is tightly attached to the top wall of the drilling part 5021, so that negative pressure is generated in the negative pressure cavity 504, suction is generated on the piston block 5097 under the action of the negative pressure, and the piston block 5097 is driven to move towards one side of the negative pressure cavity 504, so that the clamping block 5094 is driven to be separated from the clamping groove 5029 and completely enter the outer movable groove 5091;
Then, the driving motor 9 is started, the drill rod 501 is driven to move upwards for a certain distance by the driving motor 9, the drilling part 5021 is provided with the spiral blade 5023 at the outer side, so that the pressure of soil received by the drilling part 5021 cannot move upwards along with the drill rod 501, the drill rod 501 and the drilling part 5021 are separated, at the moment, under the action of negative pressure generated by the air pump 10, the soil at the outer side of the drill rod 501 is driven to enter the sampling groove 503 through the space between the bottom conical surface 511 and the drilling part 5021, and the soil cannot enter the negative pressure cavity 504 due to the filter plate 505 arranged between the sampling groove 503 and the negative pressure cavity 504;
When the drill rod 501 moves upwards, the sliding plate 5026 moves downwards relative to the drill rod 501 in the plate groove 5024, so that the top end of the sliding plate 5026 leaves the inside of the positioning groove 5105, the second spring 5104 is in a compressed state in an original state, at the moment, the moving block 5103 moves outwards under the action of the elasticity of the second spring 5104, so that the end part of the moving block 5103 moves to the outer side of the longitudinal exhaust groove 5108, the containing groove 5101 is communicated with the air delivery cavity 507 through the air delivery groove 5102, and when the air pump 10 is started, air in the negative pressure cavity 504 is driven to be sprayed downwards from the longitudinal exhaust groove 5108 to the periphery of the drill rod 501, downward pushing force is generated on surrounding soil, the soil is convenient to enter the inside of the sampling groove 503, and sampling is convenient to perform;
After sampling is finished, the air pump 10 is closed, the drill rod 501 is driven to move downwards through the driving motor 9, so that the drill rod 501 moves towards the drilling part 5021, as the bottom end of the drill rod 501 is provided with the bottom conical surface 511, the bottom conical surface 511 can push away soil between the bottom conical surface 511 and the drilling part 5021, the bottom end of the bottom conical surface 511 is contacted with the top wall of the drilling part 5021, at the moment, the sliding plate 5026 moves back upwards to the original position along the plate groove 5024, after the air pump 10 is closed, the air pressure is recovered to be normal, at the moment, the clamping block 5094 moves back under the action of the elastic force of the first spring 5095, when the sliding plate 5026 moves upwards, the pressure is generated on the first pressed inclined surface 5096 through the extrusion cambered surface 5028, the clamping block 5094 is pushed into the outer movable groove 5091, so that the sliding plate 5026 can move upwards smoothly, after moving to the original position, the sliding plate 5021 is clamped into the clamping groove 5029 again, the sample to be prevented from being discharged, at the same time, the extrusion cambered surface 5028 at the top of the sliding plate 5026 acts on the second pressed inclined surface 6, and the sliding block 5103 moves back into the whole accommodating part 5101;
the drill pipe 501 is then moved up above the surface by the drive motor 9, and the drilling section 5021 and drill pipe 501 are separated to obtain a sample.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The soil sample sampling device for construction comprises an upper mounting frame (1) and a lower mounting frame (1), and is characterized in that a support column (2) is arranged between the two mounting frames (1) at equal angles, a longitudinal moving platform (4) is arranged between the two mounting frames (1), and a drilling sampling assembly (5) is arranged below the longitudinal moving platform (4);
The drilling sampling assembly (5) comprises a drill rod (501), a drill bit unit (502) is arranged at the bottom end of the drill rod (501), a sampling groove (503) is formed in the drill rod (501), the sampling groove (503) penetrates through the bottom end of the drill rod (501), a negative pressure cavity (504) is formed in the drill rod (501), the negative pressure cavity (504) is arranged above the sampling groove (503), a filter plate (505) is arranged between the sampling groove (503) and the negative pressure cavity (504), a gas sending cavity (507) is formed in the drill rod (501), a first connecting pipe (506) and a second connecting pipe (508) are respectively arranged at the top end of the side wall of the drill rod (501), a clamping fixing unit (509) is arranged at the outer side of the negative pressure cavity (504), and a gas-sending pushing unit (510) is arranged at the bottom end of the gas-sending cavity (507);
The drill bit unit (502) is including setting up in the portion of boring (5021) of drilling (501) below, the diameter of portion of boring (5021) is greater than the diameter of drilling (501) of drilling (5021), drill bit portion (5022) are installed to the bottom of portion of boring (5021), screw blade (5023) are installed in the outside of portion of boring (5021), the bottom of drilling (501) is provided with bottom conical surface (511), the one end downward sloping setting that bottom conical surface (511) is close to sampling groove (503), the roof of portion of boring (5021) is hugged closely with the diapire of bottom conical surface (511), board groove (5024) have been seted up to the inside equiangle of drilling (501), board groove (5024) equiangular setting is in the circumference of sampling groove (503), bottom groove (5025) have been seted up to the bottom of board groove (5024), the below to bottom conical surface (511) is run through to bottom groove (5025), the inside slidable mounting of board (5024) has slide plate (5026), bottom fixed mounting of bottom pole (5027), the bottom pole (503) is close to the bottom of bottom pole (503) is provided with the bottom of slide plate (5026), the bottom pole (7) is provided with the bottom of boring (5026) and is connected with the bottom of the arc surface (503) and is provided with the bottom of slide plate (5026).
2. The soil sample sampling device for construction according to claim 1, wherein the air supply chamber (507) is coaxially arranged outside the negative pressure chamber (504), the first connecting pipe (506) is communicated with the negative pressure chamber (504), the second connecting pipe (508) is communicated with the air supply chamber (507), the air pump (10) is mounted at the top end of the mounting frame (1), and when connection is required, the air suction end of the air pump (10) is connected with the first connecting pipe (506) through a hose, and the air discharge end of the air pump (10) is connected with the second connecting pipe (508) through a hose.
3. The soil sample sampling device for construction according to claim 1, wherein the clamping and fixing unit (509) comprises an outer movable groove (5091) which is formed in one side of the plate groove (5024) close to the negative pressure cavity (504), a clamping block (5094) is movably mounted in the outer movable groove (5091), a first spring (5095) is symmetrically mounted on one side of the clamping block (5094) close to the negative pressure cavity (504), one end of the first spring (5095) is fixedly connected with the inner wall of the end part of the outer movable groove (5091), a first pressed inclined surface (5096) is formed in the bottom of the other end of the clamping block (5094), the bottom end of the first pressed inclined surface (5096) is obliquely arranged towards one side of the negative pressure cavity (504), and the other end of the clamping block (5094) is clamped into the clamping groove (5029).
4. The soil sample sampling device for construction according to claim 3, wherein inner movable grooves (5092) are formed in the inner wall of the negative pressure cavity (504) at equal angles, the inner movable grooves (5092) correspond to the outer movable grooves (5091) one by one, communication grooves (5093) are formed between the outer movable grooves (5091) and the inner movable grooves (5092), piston blocks (5097) are movably mounted in the inner movable grooves (5092), connecting rods (5098) are mounted between the piston blocks (5097) and the clamping blocks (5094), and the connecting rods (5098) penetrate through the communication grooves (5093).
5. The soil sample sampling device for construction according to claim 1, wherein the exhaust pushing unit (510) comprises a containing groove (5101) formed in the top end of the plate groove (5024), one end of the containing groove (5101) penetrates through the outer side of the drill rod (501), an air vent groove (5102) is formed in the top end of the containing groove (5101), the top end of the air vent groove (5102) is communicated with the air supply cavity (507), a moving block (5103) is movably mounted in the containing groove (5101), the outer wall of the moving block (5103) is tightly attached to the inside of the containing groove (5101), a second spring (5104) is symmetrically mounted on one side, close to the negative pressure cavity (504), of the moving block (5103), and one end of the second spring (5104) is fixedly connected with the inner wall of the end portion of the containing groove (5101).
6. The soil sample sampling device for construction according to claim 5, wherein the movable block (5103) is located at one side of the vent groove (5102) far away from the negative pressure cavity (504), a transverse vent groove (5107) is formed in the movable block (5103), one end of the transverse vent groove (5107) penetrates to one side of the movable block (5103) close to the negative pressure cavity (504), longitudinal vent grooves (5108) are formed in the movable block (5103) at equal intervals, the top ends of the longitudinal vent grooves (5108) are communicated with the bottom of one end of the transverse vent groove (5107) far away from the negative pressure cavity (504), the bottom ends of the longitudinal vent grooves (5108) penetrate to the lower side of the movable block (5103), a positioning groove (5105) is formed in the bottom end of the movable block (5103), a second pressure inclined plane (5106) is formed in one side of the positioning groove (5105) close to the negative pressure cavity (504), the positioning groove (5105) is located below the transverse vent groove (5107) and one side of the longitudinal vent groove (5108) close to the negative pressure cavity (504), and the bottom of the sliding plate (5106) is located inside the positioning groove (5105).
7. The soil sample sampling device for construction according to claim 1, wherein the top end of the drill rod (501) is connected with the output end of a rotating motor (6), the rotating motor (6) is fixedly arranged at the top end of a longitudinally moving table (4), a guide rod (7) is arranged between the two mounting frames (1), the longitudinally moving table (4) is slidably connected with the guide rod (7), a screw rod (8) is rotatably arranged between the two mounting frames (1), the screw rod (8) is in threaded connection with the longitudinally moving table (4), the top end of the screw rod (8) is fixedly connected with the output shaft of a driving motor (9), the driving motor (9) is fixedly arranged at the top end of the upper mounting frame (1), and moving wheels (3) are arranged at four corners of the bottom end of the lower mounting frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411844848.2A CN119290498B (en) | 2024-12-16 | 2024-12-16 | A soil sample sampling device for construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411844848.2A CN119290498B (en) | 2024-12-16 | 2024-12-16 | A soil sample sampling device for construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN119290498A CN119290498A (en) | 2025-01-10 |
| CN119290498B true CN119290498B (en) | 2025-03-25 |
Family
ID=94164395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411844848.2A Active CN119290498B (en) | 2024-12-16 | 2024-12-16 | A soil sample sampling device for construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN119290498B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119534017B (en) * | 2025-01-21 | 2025-09-26 | 德州职业技术学院（德州市技师学院） | Soil detection sampling device for grain planting |
| CN119666455B (en) * | 2025-02-19 | 2025-07-11 | 安徽农业大学 | A soil sampling device for deep soil sampling |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112683596A (en) * | 2021-01-29 | 2021-04-20 | 河北建筑工程学院 | Device for collecting river bottom mud in original state and collecting method thereof |
| CN117433826A (en) * | 2023-10-27 | 2024-01-23 | 河北冀东建设工程有限公司 | Geotechnical engineering reconnaissance sampling device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2247529T3 (en) * | 2002-03-19 | 2006-03-01 | Bard Dublin Itc Limited | DEVICE FOR EMPTY BIOPSIES. |
| JP3100302U (en) * | 2003-09-08 | 2004-05-13 | 株式会社クエストエンジニア | Sampling device |
| CN112834284A (en) * | 2021-03-05 | 2021-05-25 | 方日清 | Environmental protection administers water pollution detection sampling equipment |
-
2024
- 2024-12-16 CN CN202411844848.2A patent/CN119290498B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112683596A (en) * | 2021-01-29 | 2021-04-20 | 河北建筑工程学院 | Device for collecting river bottom mud in original state and collecting method thereof |
| CN117433826A (en) * | 2023-10-27 | 2024-01-23 | 河北冀东建设工程有限公司 | Geotechnical engineering reconnaissance sampling device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN119290498A (en) | 2025-01-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN119290498B (en) | A soil sample sampling device for construction | |
| CN209214964U (en) | A portable contaminated soil layered sampling device | |
| CN117888813B (en) | Quick drilling equipment for frozen soil geological exploration | |
| CN116537729A (en) | Core sampling drilling machine based on adjustable sampling diameter of deep submersible | |
| CN117129257A (en) | Portable exploration device using physical method for sampling | |
| CN110847816B (en) | Drilling device for oil field exploitation | |
| CN113295453B (en) | Soil sampling device and sampling method | |
| CN117030337B (en) | Soil sampler with cutting function | |
| CN217466287U (en) | Drilling and core-drilling machine for highway detection | |
| CN114486337B (en) | Mineral geological mineral exploration sampling equipment | |
| CN112664139B (en) | Adjustable multi-angle drilling rig for coal mining | |
| CN214040726U (en) | Sampling device for site investigation | |
| CN220473030U (en) | Coal mine sampling drill rod | |
| CN112832755A (en) | Geological reaming sampling device of sample auxiliary forming structure for geological exploration | |
| CN115898389A (en) | A hydrogeological engineering underground river drilling equipment | |
| CN211690400U (en) | Underground station precipitation construction device | |
| CN212070445U (en) | A cleaning device for a radial drilling machine | |
| CN109014269B (en) | A kind of aluminum-plastic plate automatic opening machine and aluminum-plastic plate automatic opening processing method | |
| CN220084422U (en) | Water quality sampler convenient to stretch out and draw back | |
| CN221404789U (en) | Calcareous shale sampling device | |
| CN222850338U (en) | A layered sampling device for soil survey sampling | |
| CN220006138U (en) | Pipeline cutting equipment for hydraulic engineering | |
| CN219820225U (en) | Punching tool for interior decoration engineering | |
| CN221890915U (en) | A deep hole processing device for hydraulic valve block | |
| CN222027963U (en) | Soil sampling device with adjustable degree of depth |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |