CN111855261A

CN111855261A - Quick sampling device of underground organic pollution

Info

Publication number: CN111855261A
Application number: CN202010654560.4A
Authority: CN
Inventors: 刘智峰
Original assignee: Shaanxi University of Technology
Current assignee: Shaanxi University of Technology
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2020-10-30
Anticipated expiration: 2040-07-09
Also published as: CN111855261B

Abstract

The invention discloses a rapid sampling device for underground organic pollution, which comprises a sampling tube, wherein the outer side of the sampling tube is movably connected with a probe device convenient for sampling, the bottom of the sampling tube is connected with a stable plug which is convenient to extend into the soil, the top of the outer side of the sampling tube is also connected with a fixed support leg for maintaining the whole device, the underground organic pollution rapid sampling device, the stirring pipe rotates after receiving transmission through the rotation of the rotating disc in the inserting device and is transmitted to the stirring pipe by the transmission device, the cutting edge at the bottom of the stirring tube stirs the soil around the sampling tube and discharges the soil from the spiral discharge groove, and because the discharge groove on the stirring tube is spiral, the device extends into the soil, therefore, the depth required to be sampled can be quickly obtained, the rotating disc can form a larger force arm, and the worm is set to be a smaller lead angle so that a user can conveniently rotate.

Description

Quick sampling device of underground organic pollution

Technical Field

The invention relates to the technical field of soil pollution, in particular to a rapid sampling device for underground organic pollution.

Background

Soil pollution means that pollutants generated by human activities enter soil through various paths, and the quantity and the speed of the pollutants exceed the capacity and the purification of the soil, so that the properties, the composition, the characteristics and the like of the soil are changed, the stacking process of pollutants gradually takes advantage, the natural ecological balance of the soil is damaged, and the natural functions of the soil are disordered and the appearance of the deterioration of the soil quality is caused. The nature of the history of contaminants can generally be divided into four categories: namely organic pollutants, heavy metals, radioactive elements and pathogenic microorganisms. At present, organic pollution of soil in China is very serious, and the influence on agricultural products and human health begins to appear. Organic pollutants in soil mainly come from organic pesticides and industrial three wastes, and are commonly organic compounds such as organic pesticides, polycyclic aromatic hydrocarbons, polychlorinated biphenyl and dioxin in organic halides, oil pollutants, phthalate and the like.

Therefore, the detection of underground organic pollution is very necessary, the detection of underground organic pollution needs to be sampled, small-area sampling of the existing product has two forms, namely directly sampling by using a small shovel, great destructiveness, time and labor waste, and adopting a T-shaped sampler with a drill bit, but the integrity of soil layers cannot be guaranteed by the mode, and the sampler in the prior art is different from the existing sampler in a large or small way. Therefore, the device for rapidly sampling the underground organic pollution is provided.

Disclosure of Invention

The invention aims to provide a quick underground organic pollution sampling device which is labor-saving, cannot be damaged and can ensure the integrity of sampling, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a quick sampling device of underground organic pollution, includes the sampling tube, the outside swing joint of sampling tube has the device of visiting of the sample of being convenient for, the bottom of sampling tube is connected with the stable plug of being convenient for stretch into soil, the outside top of sampling tube still is connected with the holistic fixed stabilizer blade of maintenance device.

Preferably, the device of exploring is including stirring the pipe, it sets up in the outside of sampling tube and is connected with the multiunit between the two and rotates the ware to stir the pipe, be provided with transmission between the top of sampling tube lateral wall and the stirring pipe, the last rolling disc that is connected with of transmission, one side of rolling disc is connected with the swing arm, thereby rotates the rolling disc transmission by the swing arm and makes the stirring pipe rotate, and the stirring pipe stirs peripheral soil and drives the sampling tube and stretch into to reach the assigned position of sample fast, make things convenient for the sample.

Preferably, swing joint has two semicircles in the sample tube to hold the pipe, and two the semicircle top of holding the pipe is provided with the stopper with sample tube threaded connection, thereby the semicircle holds the integrality that the pipe conveniently takes out and guarantees inside sample.

Preferably, the outer side wall of the stirring pipe is provided with a plurality of spiral discharge grooves, the bottom of the stirring pipe is further connected with a cutting edge, the cutting edge stretches into the stirring pipe, and the spiral discharge grooves discharge soil so as to be fast deep.

Preferably, transmission includes the worm, the worm passes through bearing fixed mounting in the lateral wall of sampling tube, the top of stirring the pipe is connected with the worm wheel of being connected with the worm transmission, and the worm adopts less helical pitch angle to reach laborsaving purpose, and the worm wheel worm transmission can change the direction of motion, thereby more conveniently rotate the rolling disc.

Preferably, the rotator includes that the rotating ring that three groups from the top arranged in proper order is located the centre the rotating ring is with the lateral inner wall fixed connection who stirs the pipe, and two in addition the rotating ring can reduce the area of contact between sampling pipe and the stirring pipe with the lateral wall fixed connection of sampling pipe to friction loss between the reduction makes it more convenient to rotate.

Preferably, be provided with the ball between the adjacent swivel becket, convert the sliding friction between each swivel becket into rolling friction, further reduce frictional force, not only make things convenient for the rotation can also reduce wearing and tearing increase of service life.

Preferably, the fixed support leg comprises a main support, the main support is connected with a moving frame in a sliding mode, a spring is arranged between the moving frame and the main support, one end of the moving frame is connected with a pedal in a rotating mode, and the fixed support conveniently fixes the whole device.

Preferably, the bottom of the inner side of the sampling tube is connected with a prismatic rod, and a plurality of blades are arranged on the prismatic rod, so that the bottom of the sample can be conveniently cut off and the sample can be conveniently taken out.

Compared with the prior art, the invention has the beneficial effects that:

the invention rotates through the rotating disc in the probing device and is transmitted to the stirring tube by the transmission device, the stirring tube rotates after receiving transmission, the cutting edge at the bottom of the stirring tube stirs the soil around the sampling tube and discharges the soil from the spiral discharge groove, and the discharge groove on the stirring tube is spiral, so the device can extend into the soil, the depth required for sampling can be quickly obtained, the rapid sampling can be realized, the rotating disc can form a larger force arm, and the worm is set to be a smaller lead angle, so that the rotation of a user is convenient.

Drawings

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

FIG. 2 is an expanded view of a portion of the present invention;

FIG. 3 is a schematic view of a half-section of a stirring tube;

FIG. 4 is a schematic view of the upper part of the sampling tube;

FIG. 5 is an enlarged view of the structure of area A in FIG. 4;

FIG. 6 is a schematic view of a half-section structure of the sampling tube and the rotator;

FIG. 7 is an enlarged view of the structure of the area B in FIG. 6;

FIG. 8 is a schematic view of a main support in a half-section configuration;

fig. 9 is an enlarged view of the structure of region C in fig. 8.

In the figure: 1-sampling tube; 2-probing in the device; 3-a stabilizing plug; 4-fixing the supporting feet; 5-a stirring pipe; 6-a rotator; 7-a transmission device; 8-rotating the disc; 9-swinging the arm; 10-half circle accommodating pipe; 11-a limiting block; 12-a spiral discharge groove; 13-cutting edge; 14-a worm; 15-a worm gear; 16-a rotating ring; 17-a ball bearing; 18-a main support; 19-a mobile frame; 20-a spring; 21-a pedal; 22-prismatic rod.

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.

Referring to fig. 1-9, the present invention provides a technical solution: a quick sampling device for underground organic pollution comprises a sampling tube 1, wherein a prismatic rod 22 is connected to the bottom of the inner side of the sampling tube 1, the sampling tube 1 needs to be pulled up when sampling, so that a sample at the bottom needs to be cut off, the sampling tube can not be taken out and blocked, the bottom of the sample can be cut off by the prismatic angles at the two sides of the prismatic rod 22 when rotating, soil in the sampling tube 1 is separated from soil in the soil, the sampling tube is convenient to take out, the resistance is reduced when the prismatic angles at the bottom of the prismatic rod 22 facilitate the device to extend into the soil, a probing device 2 convenient for sampling is movably connected to the outer side of the sampling tube 1, the probing device 2 can drive the sampling tube to extend into the soil, so that the sample with a certain depth is sampled, a stabilizing plug 3 convenient for extending into the soil is connected to the bottom of the sampling tube 1, and the stabilizing plug 3 is inserted into the surface layer of the soil before the probing device 2 probes, so that form stable state, and stabilizing plug 3 has annular cone and participates in the constitution, all is convenient for break open soil, the outside top of sampling tube 1 still is connected with the holistic fixed stabilizer blade 4 of maintenance device, and fixed stabilizer blade 4 can stretch out and draw back, can be stepped on by operator's two feet before beginning and fix, makes the device more firm.

The probing device 2 comprises a stirring pipe 5, the inner diameter of the stirring pipe 5 is slightly larger than the outer diameter of the sampling pipe 1 so as not to generate large-area rotation friction between the sampling pipe and the stirring pipe, the outer side wall of the stirring pipe 5 is provided with a plurality of spiral discharge grooves 12, the top of each spiral discharge groove 12 is provided with an inclined plane, when the stirring pipe 5 rotates, each spiral discharge groove 12 is similar to a thread with an ultra-large pitch and extends inwards while rotating in soil so that the sampling pipe 1 extends into the soil, the bottom of the stirring pipe 5 is also connected with a cutting edge 13, the cutting edge 13 is convenient to generate a notch to break through into the soil, particularly for harder soil, the cutting edge 13 can enable the harder soil to enter more conveniently, the stirring pipe 5 is arranged on the outer side of the sampling pipe 1, a plurality of rotating devices 6 are connected between the two, and the rotating devices 6 enable the two to, thereby reduce wearing and tearing increase of service life, can make the operator save certain power again, be provided with transmission 7 between the top of sampling tube 1 lateral wall and the stirring pipe 5, transmission 7 includes worm 14, worm 14 adopts less lead angle, so that more laborsaving, worm 14 passes through bearing fixed mounting in the lateral wall of sampling tube 1, and the bearing is connected and is made things convenient for worm 14's rotation, the top of stirring pipe 5 is connected with worm wheel 15 with worm 14 transmission connection, and worm 14 rotates and drives worm wheel 15 and rotate, and worm wheel 15 fixed mounting is in the top of stirring pipe 5, therefore worm 14 rotates and can drive stirring pipe 5 and rotate, thereby makes it stretch into soil, the one end of worm 14 on transmission 7 is connected with rolling disc 8, one side of rolling disc 8 is connected with rocking arm 9, and rolling disc 8 adopts the disc of great diameter, and fretwork is carried out in the middle of the disc to reduce weight, and a longer force arm can be formed by a larger diameter, so that more labor can be saved when the swing arm 9 is rotated, and the further swing arm 9 can be rotatably connected with the side wall of the rotating disc 8, so that the space volume can be reduced when the swing arm is not used.

Swing joint has two semicircles in sampling tube 1 to hold a pipe 10, and two the top that the semicircle held a pipe 10 is provided with stopper 11 with 1 threaded connection of sampling tube, stopper 11 holds a pipe 10 to restrict to the semicircle when the sample, prevent the arch, be convenient for sample, two semicircles hold a pipe 10 combination and become a pipe of accomplishing, and its external diameter is the same with the interior of sampling tube 1 to, the inboard bottom of sampling tube 1 is provided with the step, so that it holds a pipe 10 to restrict the semicircle from the bottom, after the sample, the accessible takes out two semicircles and holds a pipe 10 and take out the sample, and two semicircular structures more conveniently take out the sample, further still can hold the top that a pipe 10 was held at the semicircle and set up the structure of being convenient for take out, make its more convenient.

The rotator 6 comprises three groups of rotating rings 16 which are sequentially arranged from top to bottom, the rotating ring 16 positioned in the middle is fixedly connected with the inner side wall of the stirring pipe 5, the other two rotating rings 16 are fixedly connected with the outer side wall of the sampling pipe 1, the rotating rings 16 are connected to avoid direct contact between the stirring pipe 5 and the sampling pipe 1, so that friction is reduced, balls 17 are arranged between the adjacent rotating rings 16, and because large pulling pressure is generated between the adjacent two rotating rings 16 due to the fact that the stirring pipe 5 stretches into the adjacent two rotating rings, the friction between the adjacent two rotating rings is large, sliding friction can be replaced by rolling friction through the balls 17, so that the friction is effectively reduced, the service life of the device is prolonged, and the force required by a user can be further reduced.

The fixing support leg 4 comprises a main support 18, a moving frame 19 is connected to the main support 18 in a sliding mode, a spring 20 is arranged between the moving frame 19 and the main support 18, a pedal 21 is connected to one end of the moving frame 19 in a rotating mode, when the fixing support leg 4 just begins to extend, the stirring pipe 5 cannot advance due to the fact that the fixing support leg 4 is directly contacted with the ground, the telescopic moving frame 19 is adopted, the moving frame 19 is pulled before rotating, the pedal reaches the ground, the pedal 21 is convenient to step with feet, one person can directly operate the pedal, an elastic part (not shown) is further arranged between the pedal 21 and the moving frame 19, the elastic part is convenient to reset the pedal 21, the moving frame 19 is reset when the spring 20 is used for resetting the spring 20, and the spring 20 has certain pulling force to the device when the foot steps on the pedal 21, and the.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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 appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a quick sampling device of underground organic pollution, includes sampling tube (1), the outside swing joint of sampling tube (1) has the device (2) of visiting of the sample of being convenient for, the bottom of sampling tube (1) is connected with and is convenient for stretch into stable plug (3) of soil, the outside top of sampling tube (1) still is connected with the holistic fixed stabilizer blade (4) of maintenance device.

2. The underground organic pollution rapid sampling device according to claim 1, wherein: visit into device (2) including stirring pipe (5), stirring pipe (5) set up in the outside of sampling pipe (1) and be connected with multiunit rotating device (6) between the two, be provided with transmission (7) between the top of sampling pipe (1) lateral wall and stirring pipe (5), be connected with rolling disc (8) on transmission (7), one side of rolling disc (8) is connected with and shakes movable arm (9).

3. The underground organic pollution rapid sampling device according to claim 1, wherein: swing joint has two semicircles in sampling tube (1) to hold pipe (10), and two the top that the semicircle held pipe (10) is provided with stopper (11) with sampling tube (1) threaded connection.

4. The underground organic pollution rapid sampling device according to claim 2, wherein: the outer side wall of the stirring pipe (5) is provided with a plurality of spiral discharge grooves (12), and the bottom of the stirring pipe (5) is also connected with a cutting edge (13).

5. The underground organic pollution rapid sampling device according to claim 2, wherein: the transmission device (7) comprises a worm (14), the worm (14) is fixedly installed on the outer side wall of the sampling tube (1) through a bearing, and the top of the stirring tube (5) is connected with a worm wheel (15) in transmission connection with the worm (14).

6. The underground organic pollution rapid sampling device according to claim 2, wherein: the rotating device (6) comprises three groups of rotating rings (16) which are sequentially arranged from top to bottom, the rotating rings (16) are positioned in the middle and fixedly connected with the inner side wall of the stirring pipe (5), and the rotating rings (16) are fixedly connected with the outer side wall of the sampling pipe (1).

7. The underground organic pollution rapid sampling device of claim 6, wherein: and balls (17) are arranged between the adjacent rotating rings (16).

8. The underground organic pollution rapid sampling device according to claim 1, wherein: the fixing support leg (4) comprises a main support (18), a moving frame (19) is connected to the main support (18) in a sliding mode, a spring (20) is arranged between the moving frame (19) and the main support (18), and a pedal (21) is connected to one end of the moving frame (19) in a rotating mode.

9. The underground organic pollution rapid sampling device according to claim 3, wherein: the bottom of the inner side of the sampling tube (1) is connected with a prismatic rod (22).