CN211954889U

CN211954889U - Atmospheric sampling device for environmental detection

Info

Publication number: CN211954889U
Application number: CN202020344647.7U
Authority: CN
Inventors: 姚玮; 林超华; 林潇; 陈玉兰
Original assignee: Jiangxi Bytest Technology Co ltd
Current assignee: Jiangxi Bytest Technology Co ltd
Priority date: 2020-03-18
Filing date: 2020-03-18
Publication date: 2020-11-17
Anticipated expiration: 2030-03-18

Abstract

The utility model discloses an atmosphere sampling device for environmental monitoring, including lift seat, brace table and atmosphere sampling case, the inside of atmosphere sampling case is equipped with first gaseous absorption chamber, the gaseous absorption chamber of second and the room of breathing in, institute the brace table is including the carousel bearing, the bottom of atmosphere sampling case and the upper end fixed connection of carousel bearing, the inside of lift seat is including lifting screw, swivel nut and rotation screw rod, the one side and the swivel nut screw thread transmission of rotation screw rod are connected, the inboard and the lifting screw thread transmission of swivel nut are connected, lifting screw's upper end and the bottom fixed connection of brace table. The utility model discloses an use and make the high production of atmospheric sampling case change on the elevating platform, utilize motor drive carousel bearing to rotate the position that makes the cover of breathing in on the atmospheric sampling case simultaneously and rotate and change, so the multiple spot sampling that atmospheric sampling case can be convenient facilitates for sampling work.

Description

Atmospheric sampling device for environmental detection

Technical Field

The utility model relates to an atmosphere sampling device technical field for the environmental monitoring specifically is an atmosphere sampling device for the environmental monitoring.

Background

The atmospheric sampling in the environmental detection is a process of collecting gas samples or polluted air samples in the atmosphere, the atmospheric sampling is an important step of atmospheric environmental detection, the reliability relation of detection data is extremely large, the collection method is to enable a large amount of air to pass through a liquid absorbent or a solid absorbent to enrich pollutants with low concentration in the atmosphere, such as an air extraction method and a filter membrane method, the other method is to collect air containing pollutants by using a container, when the concentration of components to be detected in the atmosphere is high or an analysis method is sensitive, a direct sampling method is adopted, common sampling containers comprise an injector, a plastic bag, a plurality of fixed containers and the like, and the atmospheric sampling needs to select a proper sampling mode according to the sampling purpose and the field condition so as to ensure that the collected samples are representative.

The existing atmospheric sampling device has the problems of complex structure, difficulty in multipoint sampling and low practicability. Therefore, it is desirable to provide an atmosphere sampling device for environmental detection to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an atmosphere sampling device for environmental monitoring removes through using the rocker transmission lifting screw on the elevating platform, can make the high production of atmosphere sampling case change, utilizes motor drive carousel bearing to rotate simultaneously, can make the position rotation change of the cover of breathing in on the atmosphere sampling case, and the multiple spot sampling that so atmosphere sampling case can be convenient facilitates for the sampling work to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an atmosphere sampling device for environment detection comprises a lifting seat, a supporting table and an atmosphere sampling box, wherein a first gas absorption chamber, a second gas absorption chamber and an air suction chamber are arranged in the atmosphere sampling box, one side of the first gas absorption chamber and one side of the second gas absorption chamber are communicated with the air suction chamber through air ducts, a vent pipe is fixedly connected to the upper end of the atmosphere sampling box, one end of the vent pipe is fixedly connected with an air suction cover, one side of the first gas absorption chamber and one side of the second gas absorption chamber are communicated with the air suction cover through air ducts, the supporting table comprises a turntable bearing, the bottom of the atmosphere sampling box is fixedly connected with the upper end of the turntable bearing, the lifting seat comprises a lifting screw rod, a threaded sleeve and a rotating screw rod, one side of the rotating screw rod is in threaded transmission connection with the threaded sleeve, and the inner side of the threaded sleeve is in threaded transmission connection with the lifting screw rod, the upper end of the lifting screw is fixedly connected with the bottom of the supporting table.

Preferably, a small hydraulic cylinder is installed inside the air suction chamber, an air compression plate is fixedly connected to one end of a piston rod of the small hydraulic cylinder, and the air compression plate is attached to the inner wall of the air suction chamber.

Preferably, the breather pipe sets up to hollow L type steel pipe, the cover of breathing in sets up to the round platform form, just the cotton filter screen of opening one side fixedly connected with air of cover of breathing in.

Preferably, the bottom of the supporting table is provided with a motor, a gear arranged on a rotating shaft of the motor is meshed with an external gear ring of the turntable bearing, and the motor is a stepping motor.

Preferably, the cavity has been seted up to the inside of lift seat, fixedly connected with slide on the inner wall of cavity, the spout has been seted up to the inside of slide, the ball is installed to the bottom surface of spout, the annular slider of the equal fixedly connected with ring in both ends of swivel nut, the one end of slider and the inside sliding connection of spout, the lift mouth has been seted up to the upper end of lift seat, the one end of lift screw rod is passed the inboard tooth portion of lift mouth and swivel nut and is meshed mutually, rotate the screw rod and rotate and install in one side of cavity, just the one end fixedly connected with rocker of rotating the screw rod, the rocker sets up the outside at the lift seat.

Preferably, the bottom of the lifting seat is fixedly connected with a plate-shaped base, and the bottom of one end of the lifting seat is further connected with the base through a strip-shaped supporting rod.

Compared with the prior art, the beneficial effects of the utility model are that: through using the rocker transmission lifting screw on the elevating platform to remove, can be so that the high production of atmospheric sampling case changes, utilize motor drive turntable bearing to rotate simultaneously, can be so that the position of the cover of breathing in on the atmospheric sampling case rotates the change, and the multiple spot sampling that atmospheric sampling case can be convenient like this facilitates for sampling work.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is an enlarged schematic view of the area A in FIG. 2 according to the present invention;

fig. 4 is an enlarged schematic structural view of the region B in fig. 3 according to the present invention.

In the figure: 1. a base; 2. a support bar; 3. a lifting seat; 4. a rocker; 5. a lifting screw; 6. a support table; 7. an atmospheric sampling box; 8. a breather pipe; 9. an air intake cover; 10. a cavity; 11. rotating the screw; 12. a threaded sleeve; 13. a lifting port; 14. a slider; 15. a slide base; 16. a chute; 17. a ball bearing; 18. a motor; 19. a turntable bearing; 20. a first gas absorption chamber; 21. a second gas absorption chamber; 22. an air suction chamber; 23. an air duct; 24. an air intake duct; 25. a small hydraulic cylinder; 26. an air compression plate.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an atmosphere sampling device for environment detection comprises a lifting seat 3, a support table 6 and an atmosphere sampling box 7, wherein a first gas absorption chamber 20, a second gas absorption chamber 21 and an air suction chamber 22 are arranged in the atmosphere sampling box 7, one sides of the first gas absorption chamber 20 and the second gas absorption chamber 21 are communicated with the air suction chamber 22 through air ducts 23, the upper end of the atmosphere sampling box 7 is fixedly connected with an air duct 8, one end of the air duct 8 is fixedly connected with an air suction cover 9, one sides of the first gas absorption chamber 20 and the second gas absorption chamber 21 are communicated with the air suction cover 9 through an air suction duct 24, the support table 6 comprises a turntable bearing 19, the bottom of the atmosphere sampling box 7 is fixedly connected with the upper end of the turntable bearing 19, the lifting seat 3 comprises a lifting screw rod 5, a screw sleeve 12 and a rotating screw rod 11, one side of the rotating screw rod 11 is in threaded transmission connection with the screw sleeve 12, the inner side of the threaded sleeve 12 is in threaded transmission connection with the lifting screw 5, and the upper end of the lifting screw 5 is fixedly connected with the bottom of the support table 6.

In actual implementation: a small hydraulic cylinder 25 is arranged in the air suction chamber 22, one end of a piston rod of the small hydraulic cylinder 25 is fixedly connected with an air compression plate 26, and the air compression plate 26 is attached to the inner wall of the air suction chamber 22 and used for changing the pressure in the air suction chamber 22 so as to perform air suction sampling through an air suction pipe 24 in the air suction cover 9; the air pipe 8 is a hollow L-shaped steel pipe, the air suction cover 9 is in a round table shape, and one side of an opening of the air suction cover 9 is fixedly connected with an air cotton filter screen for assisting air suction work; a motor 18 is arranged at the bottom of the supporting table 6, a gear arranged on a rotating shaft of the motor 18 is meshed with an external gear ring of a turntable bearing 19, the motor 18 is a stepping motor, a cavity 10 is arranged inside the lifting seat 3, a sliding seat 15 is fixedly connected on the inner wall of the cavity 10, a sliding groove 16 is arranged inside the sliding seat 15, a ball 17 is arranged on the bottom surface of the sliding groove 16, two ends of a screw sleeve 12 are fixedly connected with a circular-ring-shaped sliding block 14, one end of the sliding block 14 is connected with the inside of the sliding groove 16 in a sliding manner, a lifting port 13 is arranged at the upper end of the lifting seat 3, one end of a lifting screw rod 5 penetrates through the lifting port 13 to be meshed with an inner side tooth part of the screw sleeve 12, the rotating screw rod 11 is rotatably arranged at one side of the cavity 10, a rocker 4 is fixedly connected with one end of the rotating screw rod 11, multi-point sampling is convenient; the bottom of the lifting seat 3 is fixedly connected with the platy base 1, and the bottom of one end of the lifting seat 3 is also connected with the base 1 through the strip-shaped supporting rod 2, so that the lifting seat 3 can provide stable support and assist in sampling.

The specific use description is as follows: in practical use, the main body of the device is moved to an area to be detected, a piston rod of a small hydraulic cylinder 25 is adjusted to be in the longest state in advance, then the small hydraulic cylinder 25 starts to work, an air compression plate 26 is moved downwards, the pressure inside an air suction chamber 22 is changed, so that air suction sampling is carried out through an air suction pipe 24 inside an air suction cover 9, air in the external environment enters the inside of a first air suction chamber 20 and the inside of a second air suction chamber 21 through the air suction pipe 24 respectively, then gas absorption liquid inside the first air suction chamber 20 and the inside of the second air suction chamber 21 is absorbed and detected, the rest air enters the inside of the air suction chamber 22 through an air guide pipe 23, meanwhile, the lifting screw rod 5 can be driven to move through threads by rotating a rocker 4 in the process, the height of an atmosphere sampling box 7 is changed, a turntable bearing 19 is driven to rotate and drives the atmosphere sampling box 7 to rotate through a, the position of the air suction cover 9 on the atmosphere sampling box 7 is enabled to be changed in a rotating mode, so that the atmosphere sampling box 7 can be used for sampling conveniently at multiple points, convenience is brought to sampling work, and finally the detection information in the first gas absorption chamber 20 and the second gas absorption chamber 21 is compared to obtain the most scientific detection information, so that all work of the atmosphere sampling device for environment detection is completed.

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 an atmosphere sampling device for environmental detection, including lift seat (3), brace table (6) and atmosphere sampling case (7), its characterized in that: the air sampling box is characterized in that a first gas absorption chamber (20), a second gas absorption chamber (21) and an air suction chamber (22) are arranged in the air sampling box (7), one side of the first gas absorption chamber (20) and one side of the second gas absorption chamber (21) are communicated with the air suction chamber (22) through air guide pipes (23), the upper end of the air sampling box (7) is fixedly connected with an air vent pipe (8), one end of the air vent pipe (8) is fixedly connected with an air suction cover (9), one sides of the first gas absorption chamber (20) and the second gas absorption chamber (21) are communicated with the air suction cover (9) through air suction pipes (24), the support table (6) comprises a turntable bearing (19), the bottom of the air sampling box (7) is fixedly connected with the upper end of the turntable bearing (19), the lifting seat (3) comprises a lifting screw rod (5), a screw sleeve (12) and a rotating screw rod (11), one side of the rotating screw rod (11) is in threaded transmission connection with the threaded sleeve (12), the inner side of the threaded sleeve (12) is in threaded transmission connection with the lifting screw rod (5), and the upper end of the lifting screw rod (5) is fixedly connected with the bottom of the supporting table (6).

2. The atmospheric sampling device for environmental monitoring according to claim 1, characterized in that: the interior mounting of room (22) of breathing in has small-size pneumatic cylinder (25), the one end fixedly connected with air compression board (26) of the piston rod of small-size pneumatic cylinder (25), air compression board (26) is laminated mutually with the inner wall of room (22) of breathing in.

3. The atmospheric sampling device for environmental monitoring according to claim 1, characterized in that: the ventilating pipe (8) is a hollow L-shaped steel pipe, the air suction cover (9) is in a round table shape, and an air cotton filter screen is fixedly connected to one side of an opening of the air suction cover (9).

4. The atmospheric sampling device for environmental monitoring according to claim 1, characterized in that: the motor (18) is installed at the bottom of the supporting table (6), a gear installed on a rotating shaft of the motor (18) is meshed with an external gear ring of a turntable bearing (19), and the motor (18) is arranged to be a stepping motor.

5. The atmospheric sampling device for environmental monitoring according to claim 1, characterized in that: cavity (10) have been seted up to the inside of lift seat (3), fixedly connected with slide (15) on the inner wall of cavity (10), spout (16) have been seted up to the inside of slide (15), ball (17) are installed to the bottom surface of spout (16), the annular slider (14) of the equal fixedly connected with circle in both ends of swivel nut (12), the inside sliding connection of the one end of slider (14) and spout (16), lift mouth (13) have been seted up to the upper end of lift seat (3), the one end of lifting screw (5) is passed lift mouth (13) and is meshed with the inboard tooth portion of swivel nut (12), rotate screw (11) and rotate and install the one side in cavity (10), just the one end fixedly connected with rocker (4) of rotating screw (11), rocker (4) set up the outside at lift seat (3).

6. The atmospheric sampling device for environmental monitoring according to claim 1, characterized in that: the bottom of the lifting seat (3) is fixedly connected with a plate-shaped base (1), and the bottom of one end of the lifting seat (3) is connected with the base (1) through a strip-shaped supporting rod (2).