CN210221603U

CN210221603U - Gas extraction device for soil detection

Info

Publication number: CN210221603U
Application number: CN201921113251.5U
Authority: CN
Inventors: Xianglan Chu; 褚湘兰; Yaodong Huo; 霍耀东; Yi Tang; 唐逸; Jing Li; 李婧; Haibin Wang; 王海滨
Original assignee: Shanghai Rongjing Environmental Protection Co Ltd
Current assignee: Shanghai Rongjing Environmental Protection Co Ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-03-31
Anticipated expiration: 2029-07-16

Abstract

The utility model belongs to the technical field of soil detection equipment, especially, gas extraction element for soil detection, inconvenient soil that mixs to current soil gas extraction element, the problem that soil intensification speed is low, the following scheme is put forward now, it includes the base, the work cavity, the lid, be provided with a pipeline that runs through the lid on the lid, dispose the vacuum valve on the pipeline, the one end of pipeline extends to in the work cavity and is provided with the solenoid valve, the motor is installed in the outside of work cavity, the welding has the pivot on the output shaft of motor, the one end of pivot extends to in the work cavity, the outside of pivot is rotated the cover and is equipped with the dust cover, be equipped with the cavity on the dust cover, first rotation hole has all been seted up on the top inner wall of. The utility model relates to a rationally, can stir the soil in the working chamber simultaneously in two space dimensions for soil is by abundant even heating, improves heating efficiency, and then promotes soil temperature fast, does benefit to the use.

Description

Gas extraction device for soil detection

Technical Field

The utility model relates to a soil detection equipment technical field especially relates to a gas extraction element for soil detection.

Background

Soil environment monitoring means that the environment quality (or pollution degree) and the change trend thereof are determined by measuring representative values of factors affecting the soil environment quality. Soil monitoring generally refers to soil environment monitoring, and generally comprises technical contents of distribution sampling, sample preparation, analysis methods, result characterization, data statistics, quality evaluation and the like. For example, chinese patent with publication number CN208313654U discloses a soil gas extraction device for soil detection, which includes a base, a working chamber, and a cover, wherein the upper and lower ends of the working chamber are opened and are configured as threaded openings, the lower end of the working chamber is hermetically connected to the base through a threaded interface, and the upper end of the working chamber is hermetically connected to the cover; the cover body is provided with a pipeline penetrating through the cover body, and the pipeline is provided with a vacuum valve; the upper surface of the base is used as a heating kettle, a heating resistance wire and a circuit board are arranged in the base, a voltage stabilizer is arranged on the circuit board, the voltage stabilizer supplies power to the heating resistance wire after being electrified, and the heating resistance wire generates heat and transfers the heat to the heating kettle; at least two staggered condensation plates are arranged on the inner wall of the working cavity, one ends of the condensation plates are connected with a heat exchanger, the heat exchanger is fixed on the inner wall of the working cavity and extends out of the working cavity to be connected with a condenser, and a circle of water collecting tank is arranged below the condensation plates along the inner wall of the working cavity; the method can effectively extract the gas in the soil sample, and reduce sample loss, thereby enabling the detection data to be more accurate.

However, the design has the defects that the soil gas extraction equipment is inconvenient for stirring the soil, so that the soil cannot be fully and uniformly heated, the soil heating rate is low, and the use is not facilitated, so that the gas extraction device for soil detection is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the inconvenient shortcoming of stirring soil, soil rate of rise of temperature low of current soil gas extraction equipment, and the gas extraction element for soil testing who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a gas extraction device for soil detection comprises a base, a working cavity and a cover body, wherein a pipeline penetrating through the cover body is arranged on the cover body, a vacuum valve is arranged on the pipeline, one end of the pipeline extends into the working cavity and is provided with an electromagnetic valve, a motor is installed on the outer side of the working cavity, a rotating shaft is welded on an output shaft of the motor, and one end of the rotating shaft extends into the working cavity;

the outside of pivot is rotated the cover and is equipped with the dust cover, be equipped with the cavity on the dust cover, first rotation hole has all been seted up on the top inner wall of cavity and the bottom inner wall, first rotation downthehole rotation is installed the circle axle, the one end that two circle axles kept away from each other extends to the outside of dust cover and welds first puddler, the one end that two circle axles are close to each other all extends to in the dust cover and welds first helical gear, the fixed cover in outside of pivot is equipped with the second helical gear, two first helical gears all mesh mutually with the second helical gear, the outside welding of pivot has a plurality of second puddlers.

Preferably, both sides of the dust cover are provided with second rotating holes, the inner wall of each second rotating hole is fixedly provided with an outer ring of the first bearing in a sleeved mode, and the inner ring of the first bearing is fixedly arranged on the outer side of the rotating shaft in a sleeved mode, so that the dust cover can stably rotate on the outer side of the rotating shaft.

Preferably, the outer side of the circular shaft is fixedly sleeved with the inner ring of the second bearing, and the outer ring of the second bearing is fixedly sleeved on the inner wall of the corresponding first rotating hole, so that the circular shaft can stably rotate in the dust cover.

Preferably, a sealing ring is fixedly bonded on the inner wall of the first rotating hole, the outer side of the circular shaft is connected with the inner side of the corresponding sealing ring in a rotating and sealing mode, and the sealing performance of the first rotating hole is improved.

Preferably, a supporting plate is welded on the outer side of the working chamber, and the motor is fixed on the supporting plate through threads, so that the power distribution machine is convenient to install.

In the utility model, a gas extraction element is used in soil testing, owing to set up motor, pivot and second puddler, the soil that will detect is placed on the base, reinserts the work cavity with the base and with work cavity sealing connection, utilizes vacuum pump and pipeline to extract the air in the work cavity, heats soil and starts the motor, and through motor drive pivot and the rotation of a plurality of second puddlers, the frictional force between soil and the first puddler is less when soil is less, and the pivot will drive first puddler to revolve the axis rotation of axle;

due to the arrangement of the first bevel gear, the second bevel gear and the circular shaft, when more soil exists, the friction force between the soil and the first stirring rod is large, the dust cover rotates slowly, the rotating shaft drives the first bevel gear to rotate through the second bevel gear, the first bevel gear drives the first stirring rod to rotate around the central axis of the circular shaft through the circular shaft, the first stirring rod stirs the soil in the working chamber, and the first stirring rod and the second stirring rod stir the soil in the working chamber in two planes simultaneously, so that the soil is fully and uniformly heated, the temperature of the soil can be quickly raised, and the gas in the soil can be conveniently and quickly brought in advance;

the utility model relates to a rationally, can stir the soil in the working chamber simultaneously in two space dimensions for soil is by abundant even heating, improves heating efficiency, and then promotes soil temperature fast, does benefit to the use.

Drawings

Fig. 1 is a schematic structural view of a gas extraction device for soil detection according to the present invention;

fig. 2 is a schematic structural diagram of a part a of a gas extraction device for soil detection according to the present invention;

fig. 3 is a schematic structural diagram of a part B of the gas extraction device for soil detection.

In the figure: the device comprises a base 1, a working chamber 2, a cover 3, a vacuum valve 4, a pipeline 5, an electromagnetic valve 6, a motor 7, a rotating shaft 8, a dustproof cover 9, a cavity 10, a first rotating hole 11, a circular shaft 12, a first stirring rod 13, a first helical gear 14, a second helical gear 15, a second stirring rod 16, a first bearing 17, a sealing ring 18, a second bearing 19, a supporting plate 20 and a second rotating hole 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a gas extraction device for soil detection comprises a base 1, a working chamber 2 and a cover 3, wherein a pipeline 5 penetrating through the cover 3 is arranged on the cover 3, a vacuum valve 4 is arranged on the pipeline 5, one end of the pipeline 5 extends into the working chamber 2 and is provided with an electromagnetic valve 6, a motor 7 is installed on the outer side of the working chamber 2, a rotating shaft 8 is welded on an output shaft of the motor 7, and one end of the rotating shaft 8 extends into the working chamber 2;

wherein, the cover is rotated in the outside of pivot 8 and is equipped with dust cover 9, be equipped with cavity 10 on the dust cover 9, first rotation hole 11 has all been seted up on the top inner wall of cavity 10 and the bottom inner wall, circle axle 12 is installed to 11 rotations in the first rotation hole, the one end that two circle axles 12 kept away from each other extends to the outside of dust cover 9 and welds and have first puddler 13, the one end that two circle axles 12 are close to each other all extends to in the dust cover 9 and welds and have first helical gear 14, the fixed cover in outside of pivot 8 is equipped with second helical gear 15, two first helical gears 14 all mesh with second helical gear 15 mutually, the outside welding of pivot 8 has a plurality of second puddlers 16.

The utility model discloses in, the both sides of dust cover 9 all are equipped with the second and rotate hole 21, and fixed cover is equipped with first bearing 17's outer lane on the inner wall of second rotation hole 21, and first bearing 17's inner circle fixed cover is established in the outside of pivot 8 for dust cover 9 can be in the 8 outside stable rotations of pivot.

The utility model discloses in, the fixed cover in the outside of circle axle 12 is equipped with the inner circle of second bearing 19, and the fixed cover in the outer lane of second bearing 19 is established on the inner wall of corresponding first rotation hole 11 for circle axle 12 can be in dust cover 9 internal stability and rotate.

The utility model discloses in, it has sealing washer 18 to fix to bond on the inner wall in first rotation hole 11, and the outside of circle axle 12 rotates sealing connection with the inboard of corresponding sealing washer 18, improves the sealing performance in first rotation hole 11.

The utility model discloses in, the outside welding of work cavity 2 has backup pad 20, and motor 7 threaded fixation makes things convenient for dress to distribute motor 7 in backup pad 20.

The base 1, the working chamber 2, the cover 3, the vacuum valve 4, the pipeline 5 and the electromagnetic valve 6 in the utility model are respectively the base, the working chamber, the cover, the vacuum, the pipeline and the electromagnetic valve in patent CN208313654U, when in use, the commercial power is utilized to drive the motor 7 to operate, the motor 7 is provided with a control switch, the soil to be detected is placed on the base 1, the base 1 is inserted into the working chamber 2 again and is connected with the working chamber 2 in a sealing way, the vacuum pump and the pipeline 5 are utilized to extract the air in the working chamber 2, then the soil is heated and the motor 7 is started, the motor 7 drives the rotating shaft 8 and the plurality of second stirring rods 16 to rotate, when the soil is less, the friction between the soil and the first stirring rod 13 is smaller, the rotating shaft 8 drives the first stirring rod 13 to rotate around the central axis of the rotating shaft 8, when the soil is more, the friction between the soil and the first stirring rod 13 is larger, dust cover 9 rotates more slowly this moment, it is rotatory that pivot 8 will pass through first helical gear 14 of second helical gear 15 drive, first helical gear 14 passes through the rotation of the axis of first puddler 13 of circular shaft 12 drive around circular shaft 12, first puddler 13 will stir the soil in the work cavity 2 this moment, soil in work cavity 2 is stirred simultaneously to first puddler 13 and second puddler 16 in two planes, make soil by abundant and even being heated, can rise the temperature of soil fast, the convenient gas in the soil in advance fast.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The gas extraction device for soil detection comprises a base (1), a working cavity (2) and a cover body (3), wherein a pipeline (5) penetrating through the cover body (3) is arranged on the cover body (3), a vacuum valve (4) is arranged on the pipeline (5), one end of the pipeline (5) extends into the working cavity (2) and is provided with an electromagnetic valve (6), the gas extraction device is characterized in that a motor (7) is installed on the outer side of the working cavity (2), a rotating shaft (8) is welded on an output shaft of the motor (7), and one end of the rotating shaft (8) extends into the working cavity (2);

the outside of pivot (8) is rotated the cover and is equipped with dust cover (9), be equipped with cavity (10) on dust cover (9), first rotation hole (11) have all been seted up on the top inner wall of cavity (10) and the bottom inner wall, circle axle (12) are installed to first rotation hole (11) internal rotation, the one end that two circle axles (12) kept away from each other extends to the outside of dust cover (9) and welds first puddler (13), the one end that two circle axles (12) are close to each other all extends to in dust cover (9) and welds first helical gear (14), the outside fixed cover of pivot (8) is equipped with second helical gear (15), two first helical gear (14) all mesh mutually with second helical gear (15), the outside welding of pivot (8) has a plurality of second puddlers (16).

2. The gas extraction device for soil detection as recited in claim 1, wherein the dust cover (9) is provided with second rotation holes (21) on both sides, the inner wall of the second rotation hole (21) is fixedly sleeved with the outer ring of the first bearing (17), and the inner ring of the first bearing (17) is fixedly sleeved outside the rotating shaft (8).

3. The gas extraction device for soil detection as claimed in claim 1, wherein the outer side of the circular shaft (12) is fixedly sleeved with the inner ring of the second bearing (19), and the outer ring of the second bearing (19) is fixedly sleeved on the inner wall of the corresponding first rotation hole (11).

4. The gas extraction device for soil detection as claimed in claim 1, wherein a sealing ring (18) is fixedly bonded to an inner wall of the first rotation hole (11), and an outer side of the circular shaft (12) is rotatably and sealingly connected to an inner side of the corresponding sealing ring (18).

5. A gas extraction apparatus for soil detection as claimed in claim 1, wherein a support plate (20) is welded to the outside of the working chamber (2), and the motor (7) is screwed to the support plate (20).