CN216621823U

CN216621823U - Environment monitoring soil sampler

Info

Publication number: CN216621823U
Application number: CN202123281285.5U
Authority: CN
Inventors: 李进; 朱银玲; 陈敏忠; 苏会荣; 吴方平
Original assignee: Guangdong Ocean University
Current assignee: Guangdong Ocean University
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-05-27
Anticipated expiration: 2031-12-24

Abstract

An environmental monitoring soil sampler comprises a mounting rack; a lifting part is arranged in the mounting rack; the lifting part is provided with a sampling part; the sampling part comprises a first motor on the fixed installation part; an output shaft of the first motor is vertically and downwards fixedly connected with a rotating shaft; the bottom end of the rotating shaft is fixedly connected with a sampling cylinder; two petal-type conical heads are hinged to two sides of the bottom end of the sampling cylinder; the outer wall of the sampling tube is slidably sleeved with a sliding sleeve; the outer wall of the sliding sleeve is hinged with the outer wall of the two-petal conical head through a connecting rod; the peripheral wall of the first coupling is fixedly connected with an annular plate; the bottom surface of the annular plate is provided with a plurality of cylinders; the cylinder faces downwards and is fixedly connected with a sliding rod; the sliding rod is fixedly connected with the outer wall of the sliding sleeve; a first through hole is formed in the bottom surface of the mounting frame at a position corresponding to the sampling cylinder; according to the method, when the deep soil sample is obtained, the soil above the deep soil does not need to be removed for multiple times in advance, the soil can directly reach a target area of the deep soil to be obtained, the method is convenient and quick, and the integrity of the soil sample can be protected.

Description

Environment monitoring soil sampler

Technical Field

The utility model relates to the technical field of soil sampling, in particular to an environment monitoring soil sampler.

Background

Environment monitoring, which refers to the activities of monitoring and measuring the environment quality condition by an environment monitoring mechanism; the environmental monitoring is to monitor and measure the index reflecting the environmental quality to determine the environmental pollution condition and the environmental quality; one of the monitored objects is soil, the soil cannot be monitored only on the surface, and in more cases, deep soil needs to be sampled and inspected, so that a soil sampler is needed for sampling.

At present, most of existing soil samplers are of a cylindrical structure, when a cylinder is inserted downwards, soil can enter the interior of the cylinder, then the cylinder is taken out, and soil in the cylinder is collected, however, when deep soil is sampled by the soil sampler, soil above the soil with a target depth needs to be taken out first, and when the target soil is exposed, sampling is carried out, but the sampling cylinder of the soil sampler is often short in length, and needs to be subjected to sampling operation for multiple times, so that time and labor are wasted; in addition, be full of soil when soil sampler's sample drum to the in-process that upwards removes, because the bottom does not have the baffle, the soil of sample drum bottom very probably drops because of vibrations, leads to the sample soil inaccurate, causes the loss of soil sample.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to an environmental monitoring soil sampler, which solves the above problems of the prior art.

An environmental monitoring soil sampler comprises a mounting rack; the mounting frame is of a cylindrical structure and is vertically arranged, and a lifting part is arranged inside the mounting frame; the lifting part is fixedly provided with a sampling part;

the sampling part comprises a first motor fixedly arranged on the lifting part; an output shaft of the first motor is vertically downward and fixedly connected with a rotating shaft through a first coupler; the bottom end of the rotating shaft is fixedly connected with a sampling cylinder; the sampling cylinder is vertically arranged, and the bottom end of the sampling cylinder is opened; two petal-type conical heads are hinged to two sides of the bottom end of the sampling cylinder; the outer wall of the sampling tube is slidably sleeved with a sliding sleeve; the outer wall of the sliding sleeve is symmetrically hinged with two connecting rods; one end of the connecting rod, which is far away from the sliding sleeve, is hinged with the outer wall of the two-petal conical head; the peripheral wall of the first coupling is fixedly connected with an annular plate; the bottom surface of the annular plate is fixedly provided with a plurality of cylinders; a piston rod of the air cylinder is vertically downward and is fixedly connected with a sliding rod through a second coupler; one end of the sliding rod, which is far away from the air cylinder, is fixedly connected with the outer wall of the sliding sleeve; a first through hole is formed in the position, corresponding to the sampling barrel, of the bottom surface of the mounting frame.

Preferably, the lifting part comprises a screw rod and a guide rod which are symmetrically arranged in the mounting rack; the screw rod and the guide rod are both vertically arranged; the top end of the screw penetrates through the top surface of the mounting frame and is in transmission connection with a second motor fixedly mounted on the top surface of the mounting frame; the bottom end of the screw rod is rotatably connected with the bottom surface of the inner cavity of the mounting rack through a bearing; the top end and the bottom end of the guide rod are rotatably connected with the mounting frame through bearings; a lifting plate is horizontally arranged in the mounting rack; the screw and the guide rod penetrate through the lifting plate; the screw rod is in threaded connection with the lifting plate; the guide rod is connected with the lifting plate in a sliding manner; the first motor is fixedly arranged on the top surface of the lifting plate; an output shaft of the first motor penetrates through the lifting plate and is rotatably connected with the lifting plate through a bearing.

Preferably, the cutting wings are symmetrically and fixedly connected to the outer walls of the two petal-shaped conical heads.

Preferably, the outer wall of the rotating shaft is fixedly connected with a plurality of supporting plates; the sliding rod penetrates through the supporting plate and is in sliding connection with the supporting plate.

Preferably, the peripheral wall of the sliding sleeve is fixedly connected with a protection plate; the edge of the top surface of the protection plate is vertically and fixedly connected with a protection cylinder; the top end of the protection cylinder extends to the bottom end of the cylinder.

Preferably, a first protrusion and a second protrusion are respectively formed on the top surface of the lifting plate at the positions of the screw rod and the guide rod; the screw rod penetrates through the first bulge and is in threaded connection with the first bulge; the guide rod penetrates through the second protrusion and is connected with the second protrusion in a sliding mode.

Preferably, a plurality of handles are fixedly mounted at the top of the outer wall of the mounting rack; and a plurality of foot pedals are fixedly arranged at the bottom of the outer wall.

Preferably, the top surface of the mounting rack is provided with a second through hole; the second through hole corresponds to the first motor in position and has an aperture larger than the diameter of the first motor.

The utility model discloses the following technical effects:

1. the utility model can directly reach the target area of the deep soil to be obtained without moving out the soil above the deep soil for multiple times in advance when obtaining the deep soil sample, and is convenient and quick.

2. According to the utility model, after the soil sample is obtained, the bottom of the sampling cylinder can be sealed, so that the soil obtained in the sampling cylinder is prevented from falling off due to gravity or vibration, the obtained soil is effectively protected, and the integrity of the sample is ensured.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.

FIG. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the sampling portion according to the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 2 according to the present invention;

fig. 4 is a schematic view of the open state of the two-petal conical head in the sampling part of the utility model.

Wherein:

1. a mounting frame; 2. a first motor; 3. a first coupling; 4. a rotating shaft; 5. a sampling tube; 6. a two-lobe cone; 7. a sliding sleeve; 8. a connecting rod; 9. an annular plate; 10. a cylinder; 11. A second coupling; 12. a slide bar; 13. a screw; 14. a guide bar; 15. a second motor; 16. A lifting plate; 17. cutting the wing; 18. a first through hole; 19. a support plate; 20. a protection plate; 21. A protective cylinder; 22. a first protrusion; 23. a second protrusion; 24. a handle; 25. a foot pedal; 26. A second via.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

Referring to the drawings, an environmental monitoring soil sampler includes a mounting frame 1; the mounting rack 1 is of a cylindrical structure and is vertically arranged, and a lifting part is arranged inside the mounting rack 1; the lifting part is fixedly provided with a sampling part;

the sampling part comprises a first motor 2 fixedly arranged on the lifting part; an output shaft of the first motor 2 is vertically downward and fixedly connected with a rotating shaft 4 through a first coupling 3; the bottom end of the rotating shaft 4 is fixedly connected with a sampling cylinder 5; the sampling cylinder 5 is vertically arranged and the bottom end is opened; two petal-type conical heads 6 are hinged to two sides of the bottom end of the sampling cylinder 5; the outer wall of the sampling tube 5 is slidably sleeved with a sliding sleeve 7; the outer wall of the sliding sleeve 7 is symmetrically hinged with two connecting rods 8; one end of the connecting rod 8 far away from the sliding sleeve 7 is hinged with the outer wall of the two-petal conical head 6; the peripheral wall of the first coupling 3 is fixedly connected with an annular plate 9; the bottom surface of the annular plate 9 is fixedly provided with a plurality of cylinders 10; a piston rod of the air cylinder 10 is vertically downward and fixedly connected with a sliding rod 12 through a second coupling 11; one end of the sliding rod 12 far away from the cylinder 10 is fixedly connected with the outer wall of the sliding sleeve 7; the bottom surface of the mounting rack 1 is provided with a first through hole 18 corresponding to the sampling tube 5.

The lifting part can drive the whole sampling part to move up and down; the output shaft of the first motor 2, the rotating shaft 4 and the sampling cylinder 5 are coaxially arranged, and the top surface of the sampling cylinder 5 is provided with a plurality of air holes (not shown in the figure) which can exhaust the internal gas when the soil enters the sampling cylinder 5; the two-petal conical head 6 is formed by splicing two symmetrical semi-conical plates, the edge of the top end of each semi-conical plate is hinged with the bottom end of the side wall of the sampling cylinder 5, the two semi-conical plates can be combined into a finished inverted cone, and the bottom of the inverted cone is sharp and can be inserted into soil more easily; the quantity and the position of connecting rod 8 correspond with the quantity and the position of the semicircle vertebral plate of two lamella formula conical heads 6, and the both ends of connecting rod 8 are articulated with sliding sleeve 7 and the semicircle vertebral plate outer wall that corresponds respectively, and sliding sleeve 7 can drive two lamella formula conical heads 6 through reciprocating to open and shut, and reciprocating of sliding sleeve 7 can pass through slide bar 12 through a plurality of cylinder 10 and drive.

In another embodiment of the present invention, the two-petal conical head 6 may be a three-petal conical head or a multi-petal conical head, and the number of the connecting rods 8 corresponds to the number of the petals.

In a further optimized scheme, the lifting part comprises a screw rod 13 and a guide rod 14 which are symmetrically arranged in the mounting rack 1; the screw 13 and the guide rod 14 are both vertically arranged; the top end of the screw 13 penetrates through the top surface of the mounting rack 1 and is in transmission connection with a second motor 15 fixedly mounted on the top surface of the mounting rack 1; the bottom end of the screw 13 is rotatably connected with the bottom surface of the inner cavity of the mounting rack 1 through a bearing; the top end and the bottom end of the guide rod 14 are rotatably connected with the mounting rack 1 through bearings; a lifting plate 16 is horizontally arranged in the mounting rack 1; the screw 13 and the guide rod 14 both penetrate through the lifting plate 16; the screw 13 is in threaded connection with the lifting plate 16; the guide rod 14 is connected with the lifting plate 16 in a sliding way; the first motor 2 is fixedly arranged on the top surface of the lifting plate 16; the output shaft of the first motor 2 penetrates the lifting plate 16 and is rotatably connected with the lifting plate 16 through a bearing.

The screw 13 can rotate under the driving of the second motor 15, so as to drive the lifting plate 16 to move up and down, and the cooperation of the screw 13 and the guide rod 14 can prevent the lifting plate 16 from rotating.

In a further optimized scheme, cutting wings 17 are symmetrically and fixedly connected to the outer wall of the two-petal conical head 6; the number of the cutting wings 17 corresponds to that of the semicircular vertebral plates of the two-petal conical head 6, and each semicircular vertebral plate is vertically and fixedly connected with one cutting wing 17; cutting wing 17 bottom is sharp-pointed, and the top is along radially extending, and cutting wing 17 both can arrange soil in two lamella formula conical head 6 rotations, and convenient downward insertion can also cut the soil layer when two lamella formula conical head 6 open to reduce the resistance on soil layer, realize more easily opening and shutting.

In a further optimized scheme, a plurality of supporting plates 19 are fixedly connected to the outer wall of the rotating shaft 4; the sliding rod 12 penetrates through the supporting plate 19 and is connected with the supporting plate 19 in a sliding mode.

A plurality of support plates 19 are vertically aligned adjacent to the rod 12 to provide support for the rod 12 and prevent it from bending during pushing.

In a further optimized scheme, a protective plate 20 is fixedly connected to the peripheral wall of the sliding sleeve 7; the edge of the top surface of the protection plate 20 is vertically and fixedly connected with a protection cylinder 21; the top end of the protective cylinder 21 extends to the bottom end of the cylinder 10.

The protective plate 20 and the protective cylinder 21 prevent soil from contacting the sliding rod 12 and causing frictional damage to the sliding rod 12, and also prevent soil from entering and hindering movement.

In a further optimized scheme, a first bulge 22 and a second bulge 23 are respectively formed on the top surface of the lifting plate 16 at the positions of the screw rod 13 and the guide rod 14; the screw 13 penetrates through the first bulge 22 and is in threaded connection with the first bulge 22; the guide rod 14 penetrates through the second protrusion 23 and is connected with the second protrusion 23 in a sliding mode.

The first protrusion 22 and the second protrusion 23 can increase the contact area between the screw 13 and the guide rod 14 and the lifting plate 16, so that the up-and-down movement is more stable and the structure is more firm.

In a further optimized scheme, a plurality of handles 24 are fixedly arranged at the top of the outer wall of the mounting rack 1; the bottom of the outer wall of the mounting rack 1 is fixedly provided with a plurality of foot pedals 25.

Can be manually supported when the device works, and the device is prevented from toppling over due to vibration.

In a further optimized scheme, the top surface of the mounting frame 1 is provided with a second through hole 26; the second through hole 26 corresponds to the first motor 2 in position and has a diameter larger than the diameter of the first motor 2; the first motor 2 can be let through, so that collision and damage to the motor are prevented.

When the device is used, the device is placed on the surface above soil to be sampled, a piston rod of the air cylinder 10 is ensured to be in an extending state, the two-petal type conical head 6 is closed at the moment, then the first motor 2 is started, the first motor 2 drives the rotating shaft 4 to rotate, the rotating shaft 4 drives the sampling cylinder 5 to rotate, the two-petal type conical head 6 rotates at the same time, the second motor 15 is started, the second motor 15 drives the screw rod 13 to rotate, so that the lifting plate 16 is driven to descend, the whole sampling part descends along with the lifting plate 16 and extends into the soil, the descending height of the lifting plate 16 is controlled according to the soil depth to be obtained, when the required depth is reached, the first motor 2 and the second motor 15 are stopped, the air cylinder 10 is started, the piston rod of the air cylinder is contracted, the piston rod of the air cylinder 10 drives the slide rod 12 to move upwards, so that the slide sleeve 7 is driven to move upwards, slide sleeve 7 drives two lamella formula conical head 6 and opens through connecting rod 8 during rebound, then open first motor 2, drive two lamella formula conical head 6 and rotate, open second motor 15 and continue the downstream, at this time, target soil will get into sampler barrel 5, wait to descend once more and stop second motor 15 and first motor 2 after the distance of sampler barrel 5 uniform height for lifter plate 16, restart cylinder 10 makes the piston rod stretch out, drive slide bar 12 downstream, thereby can push away slide sleeve 7 and move down, rethread connecting rod 8 makes two lamella formula conical head 6 closed, reverse start second motor 15, make the whole upwards of sample section shift out and can accomplish the sample, because there is the blockking of two lamella formula conical head 6, can prevent that the soil in the sampler barrel 5 from shaking and falling and flowing out.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.

Claims

1. An environmental monitoring soil sampler, comprising: a mounting frame (1); the mounting rack (1) is of a cylindrical structure and is vertically arranged, and a lifting part is arranged in the mounting rack (1); the lifting part is fixedly provided with a sampling part;

the sampling part comprises a first motor (2) fixedly arranged on the lifting part; an output shaft of the first motor (2) is vertically downward and is fixedly connected with a rotating shaft (4) through a first coupling (3); the bottom end of the rotating shaft (4) is fixedly connected with a sampling cylinder (5); the sampling cylinder (5) is vertically arranged and the bottom end of the sampling cylinder is opened; two petal-type conical heads (6) are hinged to two sides of the bottom end of the sampling cylinder (5); the outer wall of the sampling cylinder (5) is slidably sleeved with a sliding sleeve (7); the outer wall of the sliding sleeve (7) is symmetrically hinged with two connecting rods (8); one end of the connecting rod (8) far away from the sliding sleeve (7) is hinged with the outer wall of the two-petal conical head (6); the peripheral wall of the first coupling (3) is fixedly connected with an annular plate (9); the bottom surface of the annular plate (9) is fixedly provided with a plurality of cylinders (10); a piston rod of the air cylinder (10) is vertically downward and is fixedly connected with a sliding rod (12) through a second coupling (11); one end of the sliding rod (12) far away from the cylinder (10) is fixedly connected with the outer wall of the sliding sleeve (7); a first through hole (18) is formed in the position, corresponding to the sampling tube (5), of the bottom surface of the mounting frame (1).

2. An environmental monitoring soil sampler as claimed in claim 1, wherein: the lifting part comprises a screw rod (13) and a guide rod (14) which are symmetrically arranged in the mounting rack (1); the screw (13) and the guide rod (14) are both vertically arranged; the top end of the screw rod (13) penetrates through the top surface of the mounting rack (1) and is in transmission connection with a second motor (15) fixedly mounted on the top surface of the mounting rack (1); the bottom end of the screw (13) is rotatably connected with the bottom surface of the inner cavity of the mounting rack (1) through a bearing; the top end and the bottom end of the guide rod (14) are rotatably connected with the mounting rack (1) through bearings; a lifting plate (16) is horizontally arranged in the mounting rack (1); the screw (13) and the guide rod (14) penetrate through the lifting plate (16); the screw (13) is in threaded connection with the lifting plate (16); the guide rod (14) is connected with the lifting plate (16) in a sliding manner; the first motor (2) is fixedly arranged on the top surface of the lifting plate (16); an output shaft of the first motor (2) penetrates through the lifting plate (16) and is rotatably connected with the lifting plate (16) through a bearing.

3. An environmental monitoring soil sampler as claimed in claim 2, wherein: the outer wall of the two-petal conical head (6) is symmetrically and fixedly connected with cutting wings (17).

4. An environmental monitoring soil sampler as claimed in claim 1, wherein: the outer wall of the rotating shaft (4) is fixedly connected with a plurality of supporting plates (19); the sliding rod (12) penetrates through the supporting plate (19) and is connected with the supporting plate (19) in a sliding mode.

5. An environmental monitoring soil sampler as claimed in claim 1, wherein: a protective plate (20) is fixedly connected to the peripheral wall of the sliding sleeve (7); the edge of the top surface of the protection plate (20) is vertically and fixedly connected with a protection cylinder (21); the top end of the protection cylinder (21) extends to the bottom end of the cylinder (10).

6. An environmental monitoring soil sampler as claimed in claim 2, wherein: a first bulge (22) and a second bulge (23) are respectively formed on the top surface of the lifting plate (16) at the positions of the screw rod (13) and the guide rod (14); the screw (13) penetrates through the first bulge (22) and is in threaded connection with the first bulge (22); the guide rod (14) penetrates through the second protrusion (23) and is connected with the second protrusion (23) in a sliding mode.

7. An environmental monitoring soil sampler as claimed in claim 1, wherein: the top of the outer wall of the mounting rack (1) is fixedly provided with a plurality of handles (24); the bottom of the outer wall of the mounting rack (1) is fixedly provided with a plurality of foot pedals (25).

8. An environmental monitoring soil sampler as claimed in claim 1, wherein: a second through hole (26) is formed in the top surface of the mounting rack (1); the second through hole (26) corresponds to the position of the first motor (2) and the aperture is larger than the diameter of the first motor (2).