CN116296542A

CN116296542A - Environmental geology sampling equipment

Info

Publication number: CN116296542A
Application number: CN202310216147.3A
Authority: CN
Inventors: 阳博; 黄刚; 邹雪晴; 蒙明辉; 李志波; 何文野
Original assignee: Chengdu Hydrogeological Engineering Geological Center Of Sichuan Bureau Of Geology And Mineral Resources Exploration And Development; Sichuan Huadi Construction Engineering Co ltd
Current assignee: Chengdu Hydrogeological Engineering Geological Center Of Sichuan Bureau Of Geology And Mineral Resources Exploration And Development; Sichuan Huadi Construction Engineering Co ltd
Priority date: 2023-03-08
Filing date: 2023-03-08
Publication date: 2023-06-23

Abstract

The invention provides an environmental geological sampling device, which relates to the technical field of ecological environment monitoring and comprises: sampling tube, sampling table and flexible pipe, the bottom fixedly connected with of sampling table surface a plurality of stabilizer blade, a plurality of the fixed surface cover of stabilizer blade is equipped with the chassis, the regulation hole has been seted up to the one end of sampling tube surface, the inside slip of sampling tube has inlayed interior slip post, the push groove has been seted up to one side of interior slip post surface, one side fixedly connected with first spring that the slip post is close to the push groove, the one end fixedly connected with end ring of interior slip post is kept away from to first spring. According to the invention, through the cooperation of the sampling tube, the sampling table and the telescopic tube, cross contamination of samples in the sampling process is avoided, only the target depth is surveyed, the situation of mixing pollutants is avoided, and the difficulty of geological survey of staff is greatly reduced.

Description

Environmental geology sampling equipment

Technical Field

The invention relates to the technical field of ecological environment monitoring, in particular to environmental geological sampling equipment.

Background

An environmental-geological sampling device is a tool or device for collecting geological samples from underground or underwater, the collected samples generally comprising sediment, water and gas, soil, rock, etc. to determine the quality of the currently collected ground geological environment, and a geological sampling device generally consists of a drilling tool, a drill bit, a drill pipe joint, a drill pipe clamp, etc. The drill bit is a tool for directly drilling underground or sampling underwater, the drill rods are long rods for connecting the drill bits together, the drill rod joints are used for connecting the drill rods, and the drill rod clamps are used for fixing the drill rods to prevent the drill rods from rotating.

However, in the prior art, when sampling the characteristics conforming to the object of investigation, in order to avoid taking abnormal values or deviation values, information such as the position, altitude, sampling depth, sampling time and the like of the sampling points are accurately recorded, and meanwhile, the sampling is layered to avoid multi-layer mixing, for example, the China patent discloses an environmental geological sampling device, CN111207952A, which comprises a trolley, a sampling mechanism and a feeding mechanism; the sampling mechanism comprises a sampling tube, a central shaft is arranged in the sampling tube, a drill bit is fixedly connected to the front end of the central shaft, and a helical blade fixedly connected with the central shaft is arranged in the sampling tube. The rotary sampling and sample conveying and discharging of the sampling tube are realized by arranging the rotary sampling device which comprises the sampling tube, a central shaft, a helical blade, a through groove, a sleeve, a bevel gear ring, a transmission bevel gear and a drive bevel gear; the feeding of the sampling tube is realized by arranging the slide block, the screw rod and the chute plate, so that the manual holding precession is replaced; through being equipped with the flywheel drive mechanism with the lead screw linkage, realize the automatic change of sample case, realize the automatic case loading that divides of sample, realize continuous sampling, improve operating efficiency.

Although the above scheme has the advantages as above, the above scheme has disadvantages in that: in the sampling process, when soil with fixed depth needs to be collected, when a drill bit and a sampling device drill down, soil with different depths can be obtained through the way, even if a craftsman is extremely standard in the drilling process, multi-layer soil can still be mixed in the sampling device in the process inevitably, cross contamination among samples occurs, particularly pollution samples irrelevant to survey can be extracted, staff is required to distinguish and survey and distinguish according to working experience after sampling, the soil is used for surveying, and the difficulty of the staff in judging the environmental geology is definitely increased.

Disclosure of Invention

The invention aims to solve the problems that in the prior art, when soil with fixed depth needs to be collected in the sampling process, multi-layer soil is mixed in the sampling device when a drill bit and the sampling device drill down, cross contamination among samples occurs, particularly, pollution samples irrelevant to survey can be extracted, and the difficulty of judging the environmental geology by staff is increased.

In order to achieve the above purpose, the present invention adopts the following technical scheme: an environmental geological sampling device, comprising: sampling tube, sampling platform and flexible pipe, the bottom fixedly connected with a plurality of stabilizer blades of sampling platform surface, a plurality of the surface fixed cover of stabilizer blade is equipped with the chassis, the regulation hole has been seted up to the one end of sampling tube surface, the inside slip of sampling tube is inlayed and is equipped with interior slip post, the pushing groove has been seted up to one side of interior slip post surface, interior slip post is close to one side fixedly connected with first spring of pushing groove, the one end fixedly connected with end ring that first spring kept away from interior slip post, the end ring rotates and inlays the inside at the sampling tube, one side fixedly connected with inner rod that the end ring was kept away from to interior slip post, the one end fixed cover that the inner rod kept away from interior slip post is equipped with the sampling top, the one end fixed cover that the inner rod is close to the sampling top is equipped with the sampling bottom, the surface rotation at the sampling bottom is connected with a plurality of L-shaped arc plates, a plurality of L-shaped arc plates evenly distributed at the surface at the sampling bottom, a plurality of L-shaped arc plates's inside all rotates and is connected with the short arm, a plurality of one end fixedly connected with drill bit fixedly connected with the first spring far away from the sampling top, the one end fixedly connected with the end of end ring, the end fixedly connected with the end ring near the motor fixedly connected with the end ring of the end ring near the end of the end ring has the end ring, the end ring fixed connection of the end ring has a plurality of the end ring fixed connection that the end ring has a bit is fixedly connected with a plurality of the end ring stop plate, the one end fixedly connected with first bevel gear that the motor was kept away from to the pivot, the one end movable sleeve that the pivot is close to first bevel gear is equipped with the bearing frame, bearing frame fixed mounting is at the surface of chassis.

As a preferred implementation mode, a connecting disc is fixedly arranged at the top of the outer surface of the sampling table, a second bevel gear is rotatably connected to the top of the outer surface of the connecting disc, and the first bevel gear is meshed with the second bevel gear.

The technical effect of adopting the further scheme is as follows: the rotation of the first bevel gear can drive the second bevel gear meshed with the first bevel gear to rotate, and the connecting disc provides bottom support for the rotation of the second bevel gear, so that stability in drilling is improved.

As a preferable implementation mode, a plurality of anti-slip nozzles are fixedly arranged in the second bevel gear, the anti-slip nozzles are uniformly distributed on the inner wall of the second bevel gear, and the anti-slip nozzles are in sliding connection with the anti-slip strips.

The technical effect of adopting the further scheme is as follows: the anti-slip nozzle is matched with the inner layer of the anti-slip strip in a traditional technology, on one hand, the rotation of the second bevel gear can drive the rotation of the inner sampling tube, and on the other hand, the sampling opening and the recovery can be carried out in the sampling tube.

As a preferred implementation mode, the inner feet are embedded in the support legs in a sliding mode, and the connecting rings are fixedly connected to the outer surfaces of the support legs.

The technical effect of adopting the further scheme is as follows: the connecting ring provides fixation for the large gear, and improves the stability of the engagement of the large gear and the rack, so that the stability of height adjustment is improved.

As a preferred implementation mode, the outer surfaces of the supporting legs are all sleeved with turntables in a rotating mode, the outer surfaces of the turntables are all fixedly connected with limiting joints, and a plurality of teeth are fixedly arranged on one side, close to the inner legs, of each limiting joint.

The technical effect of adopting the further scheme is as follows: the limiting joint can limit the rotation of the large gear through the teeth, so that the height of the rack is fixed.

As a preferred embodiment, the outer surfaces of the plurality of connecting rings are respectively sleeved with a large gear in a rotating way, and the large gears are matched with teeth.

The technical effect of adopting the further scheme is as follows: the rotatable rack is matched with the teeth and the large gear, so that the height of the support leg and the height of the inner leg can be conveniently adjusted.

As a preferred embodiment, racks are fixedly arranged in the inner legs, and the large gears are meshed with the racks.

The technical effect of adopting the further scheme is as follows: the intermeshing large gear and rack provide power for the extension of the inner leg.

As a preferred implementation mode, the inside rotation of sampling station is inlayed and is equipped with the laser lamp, the inside fixed mounting of laser lamp has a plurality of balancing weights, a plurality of parallel grooves have been seted up to the inside of chassis, a plurality of the inside in parallel groove all slides there is the sliding block.

The technical effect of adopting the further scheme is as follows: the balancing weight cooperates the laser lamp to use vertically under the action of gravity to this carries out horizontal location.

As a preferred implementation mode, a plurality of sliding blocks are embedded with sliding rods in a sliding manner, and connecting pieces are fixedly connected to the bottoms of the sliding rods.

The technical effect of adopting the further scheme is as follows: the connecting sheet can be regarded as a handle, so that the cutting strip can conveniently move up and down.

As a preferred implementation mode, the tops of the sliding rods are fixedly connected with a winding, and the tops of the outer surfaces of the winding are fixedly connected with cutting bars.

The technical effect of adopting the further scheme is as follows: the upper strip and the connecting sheet are used for connecting the cutting strip and simultaneously serve as an upward lifting handle.

Compared with the prior art, the invention has the advantages and positive effects that,

1. according to the invention, through the cooperation of the sampling tube, the sampling table and the telescopic tube, cross contamination of samples in the sampling process is avoided, only the target depth is surveyed, the situation of mixing pollutants is avoided, the geological survey difficulty of staff is greatly reduced, the problem that in the prior art, when soil with fixed depth needs to be collected in the sampling process, multi-layer soil is mixed in the sampling device when a drill bit and the sampling device drill down, cross contamination among samples occurs, particularly pollution samples irrelevant to the survey can be extracted, and the difficulty of judging the environmental geology of staff is increased is solved.

2. According to the invention, sufficient stability is provided for the sampling table through the cooperation of the support legs and the laser lamp, and an accurate horizontal positioning system is provided through the cooperation of the support legs with adjustable length and the laser lamp, so that the drilling hole does not deviate from the target position, and the accuracy and consistency of sampling are ensured.

3. According to the invention, through the arrangement of the supporting legs, the rated inner legs in the supporting legs can be adjusted to a proper angle and a proper height, then the turntable is rotated to the upper end of the large gear, the large gear is clamped by the teeth on the limiting joint to prevent rotation, thus the four corners after horizontal positioning are fixed, the stability of the sampling platform is improved, the sampling platform can bear more weight and pressure, and deep sampling is facilitated.

4. According to the invention, the originally closed cylindrical L-shaped arc plate can be unfolded and closed through the matching of the inner rod, the sampling top, the sampling bottom, the L-shaped arc plate and the short arm, so that the traditional cylindrical sampling device is distinguished, more samples can be collected at a target investigation depth through rotation, cross contamination among the samples is avoided, investigation times are greatly reduced, repeated erection of equipment is avoided, and cost is saved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an environmental geological sampling device according to the present invention;

FIG. 2 is a schematic view of a sample point fixing table of an environmental geological sampling device according to the present invention;

FIG. 3 is a schematic view of a device for adjusting a sampling point of an environmental geological sampling device according to the present invention;

FIG. 4 is a schematic diagram of a power output mode of a sampling point fixing table of an environmental geological sampling device according to the present invention;

FIG. 5 is an enlarged view of the environmental geological sampling device of the present invention at A in FIG. 4;

FIG. 6 is a schematic view of a recovery pressing device of an environmental geological sampling device according to the present invention;

FIG. 7 is an inside and outside split view of a sampling tube of an environmental geological sampling device according to the present invention;

FIG. 8 is a schematic view of an anti-contamination sampling pop-up device for an environmental geological sampling device according to the present invention;

FIG. 9 is a schematic view of a rotational stop device of an environmental geological sampling device;

FIG. 10 is a schematic view of an expanded structure of an anti-contamination sampling device for an environmental geological sampling device according to the present invention;

FIG. 11 is a schematic diagram of the internal structure of an anti-pollution sampling device of an environmental geological sampling device according to the present invention.

Legend description:

1. a sampling tube; 2. a sampling table; 3. a telescopic tube; 4. a support leg; 5. a chassis; 6. a laser lamp; 101. an adjustment aperture; 111. an anti-slip strip; 112. a support ring; 113. an arc-shaped notch; 102. an inner slide; 103. pushing against the groove; 104. a first spring; 105. an end ring; 106. an inner rod; 161. sampling the top; 162. sampling bottom; 163. an L-shaped arc plate; 164. a short arm; 165. a drill bit; 166. a second spring; 167. a limiting piece; 201. a motor; 202. a rotating shaft; 203. a first bevel gear; 204. a connecting disc; 205. a second bevel gear; 251. an anti-slip nozzle; 401. an inner leg; 402. a connecting ring; 403. a turntable; 404. a limit joint; 405. a large gear; 406. a rack; 501. parallel grooves; 502. a slide bar; 503. a connecting sheet; 504. cutting; 601. and (5) balancing weights.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-11, the present invention provides a technical solution: an environmental geological sampling device, comprising: sampling tube 1, sampling table 2 and flexible pipe 3, the bottom fixedly connected with a plurality of stabilizer blades 4 of sampling table 2 surface, the fixed cover in surface of a plurality of stabilizer blades 4 is equipped with chassis 5, the regulation hole 101 has been seted up to the one end of sampling tube 1 surface, the inside slip of sampling tube 1 has inlayed interior slip post 102, the push groove 103 has been seted up to one side of slip post 102 surface, one side that the slip post 102 is close to push groove 103 fixedly connected with first spring 104, the one end fixedly connected with end ring 105 that first spring 104 kept away from interior slip post 102, end ring 105 rotates and inlays the inside at sampling tube 1, one side that interior slip post 102 kept away from end ring 105 fixedly connected with interior pole 106, the fixed cover in one end that interior pole 106 kept away from interior slip post 102 is equipped with sample top 161, the fixed cover in one end that interior pole 106 is close to sample top 161 is equipped with sample bottom 162, the surface rotation of sample bottom 162 is connected with a plurality of L-shaped arc plates 163, L-shaped arc plates 163 evenly distributed at the surface of sample bottom 162, the inside of a plurality of L-shaped arc plates 163 is rotationally connected with a short arm 164, one end of the plurality of short arms 164 far away from a sampling top 161 is fixedly connected with a drill bit 165, the bottom of the inner wall of the drill bit 165 is fixedly connected with a second spring 166, the second spring 166 is fixedly arranged on the outer surface of the sampling bottom 162, one side of the outer surface of the plurality of short arms 164 is fixedly connected with a limit sheet 167, the outer surface of a sampling tube 1 is fixedly provided with a plurality of anti-slip strips 111, the anti-slip strips 111 are uniformly distributed on the outer surface of the sampling tube 1, one end of the sampling tube 1 close to the drill bit 165 is fixedly embedded with a supporting ring 112, one side of the supporting ring 112 close to the drill bit 165 is fixedly provided with a plurality of arc-shaped notch 113, the arc-shaped notch 113 is uniformly distributed on the outer surface of the supporting ring 112, the arc-shaped notch 113 is matched with the limit sheet 167, one side of the outer surface of the sampling table 2 is fixedly provided with a motor 201, the output shaft of the motor 201 is fixedly connected with a rotating shaft 202, the invention relates to a sampling table 2, which is characterized in that one end of a rotating shaft 202 far away from a motor 201 is fixedly connected with a first bevel gear 203, one end of the rotating shaft 202 close to the first bevel gear 203 is movably sleeved with a bearing seat, the bearing seat is fixedly arranged on the outer surface of a chassis 5, a sampling table 2 can be placed on a surveying crawler through a support leg 4 at the bottom at a specific surveying position, after the sampling table 2 moves to a specific surveying point, the sampling table is fixed, a telescopic tube 3 is fixedly arranged on the surveying crawler, the sampling table 2 and the central position of the telescopic tube 3 need to be debugged and aligned before use, one end of the telescopic tube 3 close to the sampling tube 1 is provided with a rotating plate, a pushing groove 103 is a notch for connecting the rotating plate at the bottom end of the telescopic tube 3, the telescopic tube 3 can push against an inner sliding column 102 at the inner wall of the sampling tube 1 through the telescopic tube 3, the telescopic tube is in a stretched state of an L-shaped arc plate 163 is shown in the drawing, and in the non-stretched state, a limiting plate 167 is clamped inside an arc notch 113, the rotation direction of the second bevel gear 205 is opposite to the rotation direction when the arc notch 113 and the limit piece 167 are separated, the rotation of the second bevel gear 205 drives the drill bit 165 to rotate through the limit piece 167, when the same telescopic tube 3 is propped against the inner rod 106 to move downwards, the limit piece 167 can drive the whole sampling tube 1 to move downwards when being clamped in the arc notch 113, the drill bit 165 is driven to drill downwards when the telescopic tube 3 is matched with the telescopic tube 3, when the depth reaches a survey layer, the grabbing is stopped, the sampling tube 1 is pulled back, the pulling back mode is that the inserting strip 504 is inserted into the adjusting hole 101 to pull back manually or externally applied jack through the inserting strip 504, the bottom rotating piece of the telescopic tube 3 is pulled, the limit piece 167 is rotated out from the arc notch 113, the sampling bottom 162, the L-shaped arc plate 163, the short arm 164 and the drill bit 165 in the sampling tube 1 are integrally propped out under the elastic force of the first spring 104, because of the limitation of the inner wall of the sampling tube 1 when the sampling tube 1 is internally provided, the L-shaped arc plate 163 cannot be unfolded under the condition that the second spring 166 continuously pushes the sampling bottom 162 in time, the L-shaped arc plate 163 is L-shaped and consists of a longer section and a shorter section, the shorter section is arranged to be telescopic, the connection point of the longer section and the shorter section is called an intersection point, one end of the shorter section far away from the intersection point is rotationally connected with the sampling bottom 162, the intersection point is rotationally connected with the short arm 164, when the L-shaped arc plate 163 integrally extends out of the sampling tube 1, the second spring 166 pushes the L-shaped arc plate 163 which is out of limitation to be unfolded under the pushing of the second spring 166, because the short arm 164 is fixedly arranged on the drill bit 165, the L-shaped arc plate 163 can rotate with the intersection point as a rotation center, the telescopic shorter section pulls the sampling bottom 162 to move upwards, the connecting parts of the adjacent L-shaped arc plates 163 are all provided with folded high-strength cloth by the inner side, the cutter head is arranged at the outer edge of the L-shaped arc plate 163, the L-shaped arc plate 163 is unfolded and then is distributed for bulk collection in a travel way, the cutter head which is sharp at the outer edge of the L-shaped arc plate 163 is used for collecting soil, the soil is collected and enters a pull-back stage, the telescopic tube 3 is firstly stretched to prop against the sampling bottom 162 for resetting, the L-shaped arc plate 163 is closed and restored to be barrel-shaped, the sampling tube 1 is pushed downwards by inserting the inserting strip 504 into the adjusting hole 101 manually or externally adding a jack, the sampling tube 1 is sleeved on the L-shaped arc plate 163, the limiting piece 167 is clamped in the arc notch 113 by the rotation of the rotating piece at the bottom end of the telescopic tube 3, the sample cross contamination in the sampling process is effectively avoided, the condition that pollutants are mixed is avoided when the target depth is only surveyed, the geological survey difficulty of staff is greatly reduced, in addition, in order to guarantee the sampling depth, the enough stability can be provided for the sampling platform 2, the stabilizer blade 4 through adjustable length cooperates with the laser lamp 6, a come-out provides accurate horizontal positioning system, so that drilling does not deviate from the target position, ensure the accuracy and consistency of sampling, the balancing weight 601 inside the laser lamp 6 can be vertical all the time under the action of gravity, the stabilizer blade 4 is then adjusted according to the laser point, the adjustment mode, each stabilizer blade 4 can be respectively adjusted in height, the rotation of the large gear 405 drives the rack 406 to adjust the height inside the stabilizer blade 4, the height of the inner foot 401 is adjusted, after the height is adjusted to a proper angle, the turntable 403 is rotated to the upper end of the large gear 405, the tooth on the limiting joint 404 is blocked against rotation, so that four corners after horizontal positioning is completed are fixed, the stability of the sampling platform 2 is improved, the sampling platform 2 can bear more weight and pressure, deep sampling is convenient to carry out, and in addition, the cutting angle of the drill bit 165 is larger, and the sampling depth is increased.

Referring to fig. 1-11, a connecting disc 204 is fixedly installed on the top of the outer surface of the sampling table 2, a second bevel gear 205 is rotatably connected to the top of the outer surface of the connecting disc 204, the first bevel gear 203 is meshed with the second bevel gear 205, the rotation of the first bevel gear 203 can drive the second bevel gear 205 meshed with the first bevel gear to rotate, and the connecting disc 204 provides a bottom support for the rotation of the second bevel gear 205, so that stability during drilling is improved.

Referring to fig. 1-11, a plurality of anti-slip nozzles 251 are fixedly installed inside the second bevel gear 205, the anti-slip nozzles 251 are uniformly distributed on the inner wall of the second bevel gear 205, the anti-slip nozzles 251 are slidably connected with the anti-slip strips 111, which is different from the conventional technology, the anti-slip nozzles 251 are matched with the inner layers of the anti-slip strips 111, on one hand, the rotation of the second bevel gear 205 can drive the rotation of the inner sampling tube 1, and on the other hand, the sampling opening and recovery can be performed inside the sampling tube 1.

Referring to fig. 1-11, inner legs 401 are slidably embedded in the inner portions of the plurality of legs 4, connecting rings 402 are fixedly connected to the outer surfaces of the plurality of legs 4, and the connecting rings 402 provide fixation for the large gear 405, so that the stability of meshing of the large gear 405 and the rack 406 is improved, and the stability of height adjustment is improved.

Referring to fig. 1-11, the outer surfaces of the plurality of support legs 4 are all rotationally sleeved with a turntable 403, the outer surfaces of the plurality of turntable 403 are all fixedly connected with a limiting joint 404, a plurality of teeth are fixedly arranged on one side, close to the inner leg 401, of the plurality of limiting joints 404, and the limiting joint 404 can limit the rotation of the large gear 405 through the teeth so as to fix the height of the rack 406.

Referring to fig. 1-11, the outer surfaces of the plurality of connecting rings 402 are rotatably sleeved with a large gear 405, the large gear 405 is matched with teeth, and a rotatable rack 406 is matched with the teeth and the large gear 405, so that the height of the support leg 4 and the height of the inner leg 401 can be conveniently adjusted.

Referring to fig. 1-11, racks 406 are fixedly mounted inside the inner legs 401, a large gear 405 is engaged with the racks 406, and the large gear 405 and the racks 406 engaged with each other provide power for the extension of the inner legs 401.

Referring to fig. 1-11, a laser lamp 6 is rotationally embedded in the sampling table 2, a plurality of balancing weights 601 are fixedly installed in the laser lamp 6, a plurality of parallel grooves 501 are formed in the chassis 5, sliding blocks are respectively slid in the plurality of parallel grooves 501, and the balancing weights 601 are matched with the laser lamp 6 to be vertical in radial use under the action of gravity, so that horizontal positioning is performed.

Referring to fig. 1-11, sliding bars 502 are slidably embedded in the sliding blocks, connecting pieces 503 are fixedly connected to bottom ends of the sliding bars 502, and the connecting pieces 503 can be regarded as handles, so that the cutting bars 504 can move up and down conveniently.

Referring to fig. 1-11, the top ends of the sliding rods 502 are fixedly connected with a strip, the top parts of the outer surfaces of the strips are fixedly connected with an inserting strip 504, and the strip and the connecting sheet 503 are used for connecting the inserting strip 504 and serve as lifting handles.

Principle of operation

The sampling table 2 of the invention is positioned at a specific surveying position through the support leg 4 at the bottom, the sampling table 2 can be placed on a surveying crawler, after moving to the specific surveying point, the sampling table 2 and the central position of the telescopic pipe 3 are required to be adjusted and aligned before use, one end of the telescopic pipe 3 close to the sampling pipe 1 is provided with a rotary piece, the pushing slot 103 is a notch for connecting the rotary piece at the bottom end of the telescopic pipe 3, the telescopic pipe 3 can push the inner sliding column 102 to slide on the inner wall of the sampling pipe 1 through the telescopic pipe 3, the L-shaped arc plate 163 is shown in an unfolding state, in a non-unfolding state, the limiting piece 167 is clamped inside the arc notch 113, the rotation direction of the second bevel gear 205 is opposite to the rotation direction of the arc notch 113 and the limiting piece 167 when the arc notch 113 is separated, the rotation of the second bevel gear 205 drives the drill bit 165 to rotate through the limiting piece 167, when the same telescopic tube 3 is propped against the inner rod 106 to move downwards, the limiting piece 167 can drive the whole sampling tube 1 to move downwards when being clamped in the arc notch 113, the telescopic tube 3 is matched with the telescopic tube 3 to realize the drill bit 165 to drill downwards when sampling, when the depth reaches a survey layer, the grabbing is stopped, the sampling tube 1 is pulled back, the pulling back mode is that the inserting strip 504 is inserted into the adjusting hole 101 to pull back manually or externally by a jack, the bottom end rotating piece of the telescopic tube 3 is stirred, the limiting piece 167 is rotated out of the arc notch 113, the whole sampling bottom 162, the L-shaped arc plate 163, the short arm 164 and the drill bit 165 in the sampling tube 1 are propped out under the elastic force of the first spring 104, the L-shaped arc plate 163 cannot be unfolded due to the limitation of the inner wall of the sampling tube 1 when the sampling tube 1 is arranged in the sampling tube 1, and the L-shaped arc plate 163 is in a L-shaped form under the condition that the second spring 166 continuously pushes the sampling bottom 162 in time, the device consists of a longer section and a shorter section, the shorter section is arranged to be telescopic, the connection point of the longer section and the shorter section is called an intersection point, one end of the shorter section far away from the intersection point is rotationally connected with the sampling bottom 162, the intersection point is rotationally connected with the short arm 164, when the L-shaped arc plate 163 integrally extends out of the sampling tube 1, the L-shaped arc plate 163 which is out of limit is pushed by the second spring 166 to be unfolded under the pushing of the second spring 166, because the short arm 164 is fixedly arranged on the drill bit 165, the L-shaped arc plate 163 can rotate with the intersection point as a rotation center, the telescopic shorter section pulls the sampling bottom 162 to move upwards, the connection point of the adjacent L-shaped arc plates 163 is provided with folded high-strength cloth near the inner side, the outer edge of the L-shaped arc plate 163 is provided with a cutter head, the cloth is unfolded for bulk collection bin after the L-shaped arc plate 163 is unfolded, at this moment, the whole rotation is continued, the soil is collected by the sharp cutter head on the outer edge of the L-shaped arc plate 163, after collection, the telescopic tube 3 starts to stretch out and draw back to prop against the sampling bottom 162 to reset, the L-shaped arc plate 163 is closed to restore to be barrel-shaped, the sampling tube 1 is pushed down by inserting the cutting 504 into the adjusting hole 101 by manual or external jack, the sampling tube 1 is sleeved on the L-shaped arc plate 163, the limiting piece 167 is clamped in the arc notch 113 by the rotation of the rotary piece at the bottom end of the telescopic tube 3, the whole recovery is carried out subsequently, the cross contamination of the sample in the sampling process is effectively avoided, only the target depth is surveyed, the condition of mixing of pollutants is avoided, the difficulty of geological survey of staff is greatly reduced, in addition, in order to ensure the sampling depth, the sampling table 2 is required to provide enough stability, the support leg 4 with adjustable length is matched with the laser lamp 6, an accurate horizontal positioning system is provided, so that drilling does not deviate from the target position, ensure accuracy and uniformity of sampling, the balancing weight 601 in the laser lamp 6 can be vertical all the time under the action of gravity, the supporting legs 4 are adjusted according to laser light points, the height of each supporting leg 4 can be adjusted respectively in an adjusting mode, the rack 406 is driven to adjust the height of the inside of the supporting legs 4 through rotation of the large gear 405, the height of the inner leg 401 is adjusted, after the height is adjusted to a proper angle and the height, the rotary table 403 is rotated to the upper end of the large gear 405, teeth on the limiting joint 404 are clamped with the large gear 405 to prevent rotation, four corners after horizontal positioning are completed, the stability of the sampling table 2 is improved, the sampling table 2 can bear more weight and pressure, deep sampling is facilitated, and in addition, the cutting angle of the drill bit 165 is larger, so that the drilling speed and the sampling depth are improved.

The present invention is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present invention without departing from the technical content of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. An environmental geological sampling device, comprising: sampling tube (1), sampling bench (2) and flexible pipe (3), its characterized in that: the bottom fixedly connected with a plurality of stabilizer blades (4) of sample platform (2) surface, a plurality of the surface fixed cover of stabilizer blade (4) is equipped with chassis (5), regulation hole (101) have been seted up to one end of sampling tube (1) surface, the inside slip of sampling tube (1) is inlayed and is equipped with interior slip post (102), one side of interior slip post (102) surface has been seted up and has been pushed against groove (103), one side fixedly connected with first spring (104) that interior slip post (102) is close to pushing against groove (103), one end fixedly connected with end ring (105) that interior slip post (102) was kept away from to first spring (104), end ring (105) rotate and inlay the inside at sampling tube (1), one side fixedly connected with inner rod (106) that interior slip post (102) kept away from end ring (105), one end fixed cover that interior rod (106) was kept away from interior slip post (161) is equipped with sample top (161), one end fixed cover that interior rod (106) was close to sample top (161) is equipped with end (162), end that interior slip post (163) was kept away from inner rod (163) is connected with end ring (163) is evenly at the inside arc of a plurality of sample plates (163) and a plurality of L-shaped sample plates (163) are connected with one end arc (162), the utility model discloses a bevel gear, including sampling top (161) and sampling tube (1), a plurality of short arm (164) keep away from one end fixedly connected with drill bit (165), the bottom fixedly connected with second spring (166) of drill bit (165) inner wall, second spring (166) fixed mounting is at the surface of sampling bottom (162), a plurality of one side of short arm (164) surface all fixedly connected with spacing piece (167), the surface fixed mounting of sampling tube (1) has a plurality of antislip strips (111), antislip strips (111) evenly distributed is at the surface of sampling tube (1), the one end fixed embedding that is close to drill bit (165) of sampling tube (1) has support ring (112), one side fixed mounting that is close to drill bit (165) of support ring (112) has a plurality of arc notch (113), arc notch (113) evenly distributed is at the surface of support ring (112), arc notch (113) cooperate with spacing piece (167), one side fixed mounting of sampling table (2) surface has motor (201), the output shaft fixedly connected with (202) of motor (201), motor (202) are close to one end of a bevel gear (203) is connected with a bevel gear (203), the bearing seat is fixedly arranged on the outer surface of the chassis (5).

2. An environmental geological sampling device according to claim 1, wherein: the top of sampling platform (2) surface is fixed mounting has connection pad (204), the top of connection pad (204) surface rotates and is connected with second bevel gear (205), first bevel gear (203) meshes with second bevel gear (205).

3. An environmental geological sampling device according to claim 2, wherein: the inside of second bevel gear (205) is fixed mounting has a plurality of anti-skidding mouth (251), anti-skidding mouth (251) evenly distributed is at the inner wall of second bevel gear (205), anti-skidding mouth (251) and anti-skidding strip (111) sliding connection.

4. An environmental geological sampling device according to claim 3, wherein: the inside of a plurality of stabilizer blade (4) is all slided and is inlayed and is equipped with interior foot (401), a plurality of the surface of stabilizer blade (4) is all fixedly connected with go-between (402).

5. An environmental geological sampling device according to claim 4, wherein: the outer surfaces of the supporting legs (4) are all rotatably sleeved with a rotary table (403), the outer surfaces of the rotary table (403) are all fixedly connected with limiting joints (404), and a plurality of teeth are fixedly arranged on one side, close to the inner leg (401), of each limiting joint (404).

6. An environmental geological sampling device according to claim 5, wherein: the outer surfaces of the connecting rings (402) are respectively sleeved with a large gear (405) in a rotating mode, and the large gears (405) are matched with teeth.

7. An environmental geological sampling device according to claim 6, wherein: racks (406) are fixedly arranged in the inner legs (401), and the large gear (405) is meshed with the racks (406).

8. An environmental geological sampling device according to claim 1, wherein: the inside rotation of sample platform (2) is inlayed and is equipped with laser lamp (6), the inside fixed mounting of laser lamp (6) has a plurality of balancing weights (601), a plurality of parallel grooves (501) have been seted up to the inside of chassis (5), a plurality of the inside of parallel groove (501) all slides there is the sliding block.

9. An environmental geological sampling device according to claim 8, wherein: the inside of a plurality of sliding blocks is all slidingly embedded with slide bar (502), and a plurality of bottom of slide bar (502) all fixedly connected with connection piece (503).

10. An environmental geological sampling device according to claim 9, wherein: the tops of the sliding rods (502) are fixedly connected with a winding, and the tops of the outer surfaces of the winding are fixedly connected with cutting bars (504).