CN114608904A - Gas sampling detection device for complex environment - Google Patents
Gas sampling detection device for complex environment Download PDFInfo
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- CN114608904A CN114608904A CN202210260358.2A CN202210260358A CN114608904A CN 114608904 A CN114608904 A CN 114608904A CN 202210260358 A CN202210260358 A CN 202210260358A CN 114608904 A CN114608904 A CN 114608904A
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- 238000005070 sampling Methods 0.000 title claims abstract description 178
- 238000001514 detection method Methods 0.000 title abstract description 9
- 230000001681 protective effect Effects 0.000 claims abstract description 56
- 230000005540 biological transmission Effects 0.000 claims description 64
- 230000000149 penetrating effect Effects 0.000 claims description 10
- 244000309464 bull Species 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000003860 storage Methods 0.000 description 18
- 238000005192 partition Methods 0.000 description 10
- 239000012535 impurity Substances 0.000 description 6
- 238000004891 communication Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 239000000383 hazardous chemical Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
- B08B9/0328—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid by purging the pipe with a gas or a mixture of gas and liquid
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Biomedical Technology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to a gas sampling detection device for complex environment, which comprises a protective box, wherein an air inlet hole is formed in the front side of the protective box, a protective side door is installed on one side of the protective box, a first electric push rod is installed on the upper portion of the inner side of the protective box, a containing box is installed on one side, close to the first electric push rod, of the upper portion of the inner side of the protective box, sampling cylinders for gas sampling are placed in the containing box side by side, two second lead screw sliding tables are installed in the middle of the inner side of the protective box, a second motor is arranged on one side of each second lead screw sliding table, a driving rotating rod is fixedly connected to the end portion of a driving shaft of the second motor, two supporting rotating disks are installed at the end portion of the driving rotating rod, a driving box is fixedly connected to one side, close to the air inlet hole, a first motor is installed on one side of the driving box, the sliding sleeve is separated from the sampling cylinders, a shielding plate restores shielding of the sliding sleeve and is cleaned through a brush and a runoff fan, thereby eliminating the influence of the previous sampling on the next sampling and the sample pollution.
Description
Technical Field
The invention relates to the technical field of gas sampling, in particular to a gas sampling and detecting device for a complex environment.
Background
The storage of hazardous chemicals is always the field of key attention of fire departments, and the leakage prevention and monitoring of a hazardous chemical storage warehouse is a necessary and effective means for avoiding major safety accidents. In addition, after an emergency accident of hazardous chemicals occurs, the field needs to be detected or sampled and analyzed to determine the type and concentration, so that the next emergency rescue and accident handling are facilitated.
Patent document with publication number CN112198016A discloses a dangerization article gas liquid intelligence sample and detection device, mainly solves current gas liquid sample and detection device and integrates, the not high problem of intelligent degree, is difficult to guarantee fire fighter's life safety's problem. The device comprises a mobile platform, a liquid sampling device, a gas constant-flow sampling device and a gas detection device which are arranged on the mobile platform, and a remote control box for remotely controlling the mobile platform, the liquid sampling device, the gas constant-flow sampling device and the gas detection device; the gas constant-current sampling device comprises a gas collecting device, a first air pump and a first control unit, wherein the first air pump is used for pumping environmental gas into the gas collecting device, the first control unit is used for controlling the first air pump and is in wireless connection with a remote control box, and the gas constant-current sampling device has the advantages that the adaptability of the system to a complex environment is improved, the intelligent control of the movement of a mobile platform and the sampling and detection of gas and liquid is realized through the remote control box, and the personal safety of workers is improved. Therefore, the method is suitable for popularization and application.
The existing equipment can not take samples for many times when taking gas samples, can not ensure that the adjacent two samples have no mutual influence, has the authenticity of independent sampling, can not be quickly and conveniently installed, can not save the samples during sampling, can easily cause the samples to be polluted or cause the samples to leak, can not preserve the samples and can not protect the samples well.
Disclosure of Invention
The invention aims to provide a gas sampling and detecting device for complex environment, aiming at the problems and the defects, and improving the overall working efficiency.
The technical problem solved by the invention is as follows:
(1) the existing equipment can not sample for many times when sampling gas, can not ensure that adjacent two times of sampling have no mutual influence, and has the authenticity of independent sampling;
(2) the existing equipment can not be installed quickly and conveniently when sampling gas, and can not save the sample when sampling;
(3) the existing equipment is easy to pollute a sample or leak the sample when sampling gas, so that the sample is not well stored and is not well protected.
The purpose of the invention can be realized by the following technical scheme: the utility model provides a gas sampling test device for complex environment, including the protecting box, the inlet port has been opened to the front side of protecting box, the protection side door is installed to one side of protecting box, first electric push rod is installed on the inboard upper portion of protecting box, one side that the inboard upper portion of protecting box is close to first electric push rod is installed and is held the box, hold the interior sampler barrel who places and be used for gaseous sample side by side in the box, the inboard mid-mounting of protecting box has two second lead screw slip tables, one side of second lead screw slip table is provided with the second motor, the driving shaft tip fixedly connected with transmission bull stick of second motor, two support turntables are installed to the tip of transmission bull stick, one side fixedly connected with transmission box that the inboard middle part of protecting box is close to the inlet port, first motor is installed to one side of transmission box.
As a further scheme of the invention, the end part of the driving shaft at one side of the first motor is fixedly sleeved with a driving gear, the other side of the first motor is provided with an air guide pipe, and a radial flow fan is arranged in the air guide pipe.
As a further scheme of the invention, a driven gear ring is arranged on one side of the interior of the transmission box close to the driving gear, a transmission ring is fixedly sleeved on the inner side of the driven gear ring, the transmission ring is rotatably connected with the transmission box through a support ring, a plurality of brush rods which are uniformly distributed at equal angles are fixedly connected on the inner side wall of the transmission ring, and a brush is fixedly connected to one side of each brush rod close to the inner sleeve.
As a further scheme of the invention, one side of the side surface of the transmission box, which is close to the first motor, is in through connection with an outer sleeve, an inner sleeve is in sliding sleeve connection with the outer sleeve, and the end part of the inner sleeve is in through connection with a sliding sleeve.
As a further scheme of the invention, a communicating groove is formed in one side, close to the air guide pipe, of the sliding sleeve in a penetrating mode, the communicating groove is communicated with the air guide pipe, a shielding plate is installed on the inner side of one end of the sliding sleeve, one side of the shielding plate is elastically hinged with the sliding sleeve through a spring rotating shaft, and one side of the sliding sleeve is fixedly connected with a sliding block of one of the second screw rod sliding tables.
As a further scheme of the invention, one end of the sampling tube is connected with an air inlet box in a run-through manner, the other end of the sampling tube is provided with a piston rod in a penetrating manner, both ends of the air inlet box are provided with air guide ports, the air inlet box is internally connected with an airtight sliding block in a sliding manner, an air guide through groove is arranged in the airtight sliding block in a penetrating manner, one side of the airtight sliding block is connected with the air inlet box through an airtight spring, the other side of the airtight sliding block is fixedly connected with a transmission block, and the transmission block penetrates through the side wall of the air inlet box.
As a further scheme of the invention, a piston plate is connected in the sampling tube in a sliding manner, the periphery of the piston plate is in sealing connection with the inner side wall of the sampling tube, a mounting seat is arranged at the center of one side of the piston plate close to the piston rod, and the mounting seat is movably clamped with one end of the piston rod.
As a further scheme of the invention, one side of the piston plate close to the periphery of the mounting seat is fixedly connected with an airtight ring, and the periphery of the airtight ring is in sealed sliding connection with the inner side wall of the sampling cylinder.
As a further scheme of the invention, mounting plates are mounted on the other side and the bottom of the protective box, bolts fixedly connected with the outer side of the vehicle or the side surface of the wall are arranged at four corners of the mounting plates, supporting seats are mounted at four corners of one side of the mounting plates close to the protective box, mounting buckles corresponding to the supporting seats are mounted at four corners of the side surface and the bottom of the protective box, and the mounting buckles are correspondingly clamped with the supporting seats.
As a further scheme of the invention, a plurality of mounting grooves for butting with the sampling cylinder are formed in the peripheral side surface of the supporting turntable, and the mounting grooves are uniformly distributed at equal angles.
The invention has the beneficial effects that:
(1) the sampling cylinders are separately placed through the placing box and the separating plate and are uniformly distributed in an array, the sampling cylinders are limited between the rubber bumps and the push rod through the rubber bumps, then the push rod is moved by the first screw rod sliding table to move towards the direction of the first electric push rod by the diameter distance of one sampling cylinder, so that the sampling cylinder closest to the first electric push rod falls between the distance between the separating plate and the placing box, the sampling cylinder is positioned right below the first electric push rod through the guiding of the guide block and the limiting of the placing box and the first spring block, then the first electric push rod sequentially pushes the sampling cylinders in the first vertical row out of the placing box and samples air outside the protective box by the sampling cylinders, and after all the sampling cylinders in the first vertical row are pushed out and sampled, the first screw rod moves the push rod again to move towards the direction of the first electric push rod by the diameter distance of one sampling cylinder according to the setting of a worker, the sampling tubes are matched with the first electric push rod, so that the sampling tubes in each vertical row are continuously pushed out of the containing box, and air outside the protective box is sampled, so that multiple times of sampling are realized, the number of samples is increased, and workers can more accurately detect the air;
(2) the first motor rotates the driving gear and the runoff fan simultaneously, when the driving gear is rotated, the driving gear drives the driven gear ring to rotate, the driven gear ring drives the transmission ring, the transmission ring drives the brush rod, thereby the inner side walls of the outer sleeve and the inner sleeve are cleaned by using a brush on the brush rod, impurities on the pipe wall are cleaned, a chute is arranged on the inner side wall of the outer sleeve, a convex block is fixedly connected on the outer side wall of the outer sleeve, the convex block corresponds to and is in sliding connection with the chute, the position is limited by the sliding of the convex block in the chute, the inner sleeve is prevented from rotating while sliding in the outer sleeve, the runoff fan generates flowing wind, the flowing wind is guided into the sliding sleeve through the communication groove, the shielding plate shields one end of the sliding sleeve under the elastic action of the spring rotating shaft at the moment, the flowing wind is guided into the inner sleeve, and is blown out of the protection box along the inner sleeve, the outer sleeve, the transmission box and the air inlet hole, thereby discharging the cleaned impurities out of the protective box, avoiding the influence caused between two adjacent gas samples, keeping independence between each sample, when a sample is required, suspending the first motor, starting the second screw rod sliding table connected with the sliding sleeve, moving the sliding sleeve to be in butt joint with the sampling cylinder, enabling the shielding plate to rotate towards the port of the communicating groove by pushing during sampling and shielding the communicating groove, then exhausting and sampling the sampling cylinder, enabling the gas sample to enter the air inlet hole from the outer side of the protective box, enter the sampling cylinder along the outer sleeve, the inner sleeve and the sliding sleeve, shielding the communicating groove through the shielding plate to keep airtightness, thereby preventing the air in the protective box from being mixed in the gas sample, avoiding causing sample pollution, after the previous sample is finished, separating the sliding sleeve from the sampling cylinder, recovering the shielding of the sliding sleeve by the shielding plate, and cleaning through a hairbrush and a runoff fan, thereby eliminating the influence of the previous sample on the next sample and the sample pollution, the accuracy and the authenticity of sampling are improved;
(3) when the transmission block is not subjected to extrusion force, the air-tight sliding block plugs the air guide port under the pushing action of the air-tight spring, and the air guide port and the air guide through groove are arranged in a staggered manner and are not communicated with each other, so that the air tightness of the air inlet box is maintained, further, the sampling barrel is kept isolated from the outside, and the sampling barrel is prevented from being polluted by the outside. Thereby avoiding polluting the sample and ensuring the truth, reliability and accuracy of the sampling.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a schematic view showing the inner structure of the containing box according to the present invention;
FIG. 4 is a schematic top view of the first motor and the second screw sliding table according to the present invention;
FIG. 5 is a side view of the cartridge storage case of the present invention;
FIG. 6 is a schematic view of the overall structure of the support frame of the present invention;
FIG. 7 is a schematic view of the internal structure of the transmission case and the air duct of the present invention;
FIG. 8 is a side view of the supporting turntable of the present invention;
FIG. 9 is a schematic view of the internal structure of the sampling tube of the present invention;
FIG. 10 is a schematic view of the internal structure of the intake box of the present invention;
in the figure: 1. a protective box; 2. an air inlet; 3. mounting a plate; 4. a protective side door; 5. a locking buckle; 6. a supporting seat; 7. installing a buckle; 8. a first electric push rod; 9. a containing box; 10. a push rod; 11. a sampling tube; 12. a first screw rod sliding table; 13. a second screw rod sliding table; 14. a cartridge storage case; 15. a second electric push rod; 16. a gripping bar; 17. a transmission box; 18. a partition plate; 19. a guiding block; 20. pushing the sheet; 21. a first spring block; 22. a first motor; 23. a triangular connecting block; 24. a supporting turntable; 25. a second motor; 26. a transmission rotating rod; 27. a rod storage box; 28. a rod clamping block; 29. a support frame; 30. a second spring block; 31. a driving gear; 32. a support ring; 33. a drive ring; 34. a driven gear ring; 35. a brush rod; 36. an outer sleeve; 37. an inner sleeve; 38. a sliding sleeve; 39. an air guide pipe; 40. a radial fan; 41. a communicating groove; 42. a spring shaft; 43. a shielding plate; 44. an air intake box; 45. a transmission block; 46. a third spring block; 47. a piston plate; 48. an airtight ring; 49. a mounting seat; 50. a piston rod; 51. a push-pull block; 52. a butt joint block; 53. an airtight slider; 54. a gas-tight spring; 55. an air guide port; 56. an air guide through groove.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
Please refer to fig. 1-10: a gas sampling detection device for a complex environment comprises a protective box 1, wherein the protective box 1 is formed by welding explosion-proof steel plates, an air inlet 2 is formed in the front side of the protective box 1, a protective side door 4 is installed on one side of the protective box 1, mounting plates 3 are installed on the other side and the bottom of the protective box 1, bolts fixedly connected with the outer side of a vehicle or the side of a wall are arranged at four corners of each mounting plate 3, the bottom of each protective side door 4 is elastically hinged to the protective box 1, the top of each protective side door 4 is clamped with the protective box 1 through a locking buckle 5, supporting seats 6 are installed at four corners of one side, close to the protective box 1, of each mounting plate 3, mounting buckles 7 corresponding to the supporting seats 6 are installed at four corners of the side and the bottom of the protective box 1, and the mounting buckles 7 are correspondingly clamped with the supporting seats 6;
the upper part of the inner side of the protective box 1 is provided with a first electric push rod 8, one side of the upper part of the inner side of the protective box 1, which is close to the first electric push rod 8, is provided with a containing box 9, the inside of the containing box 9 is vertically arranged with partition plates 18 in parallel and equidistantly, a plurality of sampling barrels 11 for gas sampling are arranged between the partition plates 18 side by side, one end of each partition plate 18, which is close to the first electric push rod 8, keeps a distance with the containing box 9, the distance is larger than the maximum diameter of the sampling barrel 11, the bottom of the containing box 9 is provided with a first lead screw sliding table 12, a push rod 10 is arranged on a sliding block of the first lead screw sliding table 12, the push rod 10 sequentially penetrates through the containing box 9 and each partition plate 18, sliding grooves are arranged at the penetrating part of the push rod 10 along the moving track of the push rod 10 and are connected with the push rod 10 in a sliding way, the lower end of the first electric push rod 8 penetrates through one side of the containing box 9 and extends into the containing box 9, a pushing sheet 20 is fixedly connected to the telescopic end of the first electric push rod 8, a first spring block 21 for limiting the sampling cylinder 11 is installed on one side, close to the pushing sheet 20, of the bottom of the containing box 9, a guide block 19 is fixedly connected to one end, close to the first spring block 21, of the first lead screw sliding table 12, one side, close to the first spring block 21, of the guide block 19 is an inclined arc surface, and rubber bumps for limiting the sampling cylinder 11 are fixedly connected to the upper surface of one end, close to the first electric push rod 8, of the partition plate 18;
when the sampling box is used, the sampling cylinders 11 are separately placed through the placing box 9 and the partition plate 18, the sampling cylinders 11 are uniformly distributed in an array, the sampling cylinders 11 are limited between the rubber bumps and the push rod 10 through the rubber bumps, then the push rod 10 is moved by the first screw rod sliding table 12 to the direction of the first electric push rod 8 by the diameter distance of one sampling cylinder 11, so that the sampling cylinder 11 closest to the first electric push rod 8 falls between the partition plate 18 and the placing box 9, the sampling cylinder 11 is positioned under the first electric push rod 8 through the guidance of the guide block 19 and the limitation of the placing box 9 and the first spring block 21, then the first electric push rod 8 sequentially pushes out the first vertical row of sampling cylinders 11 from the placing box 9 and samples air outside the protection box 1 through the sampling cylinders 11, and after all the first vertical row of sampling cylinders 11 are pushed out and the sampling is finished, according to the setting of a worker, first lead screw slip table 12 removes catch bar 10 once more and removes the distance of the diameter of a sampling tube 11 to the direction of first electric push rod 8, cooperatees with first electric push rod 8 to constantly push out the sampling tube 11 of each vertical column and hold box 9 and take a sample to the outside air of protective housing 1, thereby take a sample many times, improve the sample number, make the staff more accurately detect the air.
The middle part of the inner side of the protective box 1 is provided with two second lead screw sliding tables 13, the two second lead screw sliding tables 13 are arranged on the middle part of the inner side wall of the protective box 1 side by side, one side of the second lead screw sliding tables 13 is provided with a second motor 25, the second motor 25 is fixedly arranged on the middle part of the inner side wall of the other side of the protective box 1, the end part of a driving shaft of the second motor 25 is fixedly connected with a transmission rotating rod 26, the end part of the transmission rotating rod 26 is provided with a rotation supporting component, the rotation supporting component is positioned under the first electric push rod 8, the rotation supporting component comprises two supporting rotary tables 24, the two supporting rotary tables 24 are respectively and fixedly sleeved on one end of the transmission rotating rod 26 close to the first electric push rod 8 and the middle part of the transmission rotating rod 26, the peripheral side surfaces of the supporting rotary tables 24 are both provided with mounting grooves for butting with the sampling cylinder 11, the mounting grooves on the two supporting rotary tables 24 are kept in parallel corresponding arrangement, when the sampling tube 11 is butt-mounted in the mounting groove of the supporting turntable 24, the sampling tube 11 is kept horizontal.
A transmission box 17 is fixedly connected to one side of the middle part of the inner side of the protection box 1 close to the air inlet 2, a first motor 22 is installed on one side of the transmission box 17, the first motor 22 is a double-shaft motor, the end part of a driving shaft on one side of the first motor 22 penetrates through the transmission box 17 and is rotatably connected with the transmission box 17, a driving gear 31 is fixedly sleeved on the end part of the driving shaft on one side of the first motor 22, an air guide pipe 39 is installed on the other side of the first motor 22, the end part of the driving shaft on the other side of the first motor 22 penetrates through and extends into the air guide pipe 39, a radial fan 40 is fixedly connected to the end part of the driving shaft on the other side of the first motor 22, a driven gear ring 34 is arranged on one side of the inner side of the transmission box 17 close to the driving gear 31, the driven gear ring 34 is in meshed transmission with the driving gear 31, a transmission ring 33 is fixedly sleeved on the inner side of the driven gear ring 34, and a support ring 32 is installed between the two ends of the transmission ring 33 and the transmission box 17, the transmission ring 33 is rotatably connected with the transmission box 17 through the support ring 32, one side of the transmission box 17 close to the first motor 22 is through connected with an outer sleeve 36, an inner sleeve 37 is slidably sleeved in the outer sleeve 36, the end part of the inner sleeve 37 is through connected with a sliding sleeve 38, a plurality of brush rods 35 which are uniformly distributed in equal angles are fixedly connected on the inner side wall of the transmission ring 33, one side of each brush rod 35 close to the inner sleeve 37 is fixedly connected with a brush, the brush is abutted against the inner side walls of the outer sleeve 36 and the inner sleeve 37, the end parts of the two side walls of the transmission box 17 close to the outer sleeve 36 are all provided with through holes, the air inlet holes 2, the outer sleeve 36, the inner sleeve 37 and the sliding sleeve 38 at two sides of the transmission box 17 keep coaxial, air guide openings are respectively formed at two sides of the air guide pipe 39, one side of the sliding sleeve 38 close to the air guide pipe 39 is through provided with a communication groove 41, one side of the sliding sleeve 38 is abutted against the air guide pipe 39, when the sliding sleeve 38 abuts against the air guide pipe 39, the communication groove 41 is communicated with one of the air guide openings, the inner side of one end of the sliding sleeve 38 is provided with a shielding plate 43, one side of the shielding plate 43 is elastically hinged with the sliding sleeve 38 through a spring rotating shaft 42, the shielding plate 43 abuts against the inner side of the end part of the sliding sleeve 38, and one side of the sliding sleeve 38 is fixedly connected with the sliding block of one of the second screw rod sliding tables 13;
when the device is used, the first motor 22 rotates the driving gear 31 and the radial fan 40 simultaneously, when the driving gear 31 is rotated, the driving gear 31 drives the driven gear ring 34 to rotate, the driven gear ring 34 drives the transmission ring 33, the transmission ring 33 drives the brush rod 35, so that the inner side walls of the outer sleeve 36 and the inner sleeve 37 are cleaned by the brush on the brush rod 35 to remove impurities on the pipe wall, the inner side wall of the outer sleeve 36 is provided with a chute, the outer side wall of the inner sleeve 37 is fixedly connected with a lug, the lug corresponds to and is in sliding connection with the chute, the lug slides in the chute to limit, the inner sleeve 37 is prevented from rotating while sliding in the outer sleeve 36, the radial fan 40 generates flowing wind and is guided into the sliding sleeve 38 through the communication groove 41, at the moment, the shielding plate 43 shields one end of the sliding sleeve 38 under the elastic force of the spring rotating shaft 42, so that the flowing wind is guided into the inner sleeve 37, and is blown out of the protective box 1 along the inner sleeve 37, the outer sleeve 36, the transmission box 17 and the air inlet 2, thereby discharging the cleaned impurities out of the protective box 1, avoiding the influence between two adjacent gas samples, keeping independence between every two samples, when a sample is required, suspending the first motor 22, starting the second screw rod sliding table 13 connected with the sliding sleeve 38, moving the sliding sleeve 38 to be butted with the sampling cylinder 11, when the sample is taken, the baffle plate 43 is pushed to rotate towards the port of the communicating groove 41 and shade the communicating groove 41, then the sampling cylinder 11 extracts air for sampling, the gas sample enters the air inlet 2 from the outer side of the protective box 1, enters the sampling cylinder 11 along the outer sleeve 36, the inner sleeve 37 and the sliding sleeve 38, and simultaneously the baffle plate 43 shades the communicating groove 41 to keep air tightness, thereby preventing the air in the gas sample from being mixed into the protective box 1, avoiding sample pollution, after the sample of present time, sliding sleeve 38 and the separation of sampler barrel 11, shielding plate 43 resumes the sheltering from to sliding sleeve 38 to clear up through brush and runoff fan 40, thereby eliminate the influence and the sample pollution of sample of previous time sample to sample of back, improve the accuracy and the authenticity of sample.
One end of the sampling tube 11 is connected with an air inlet box 44 in a through way, the other end of the sampling tube 11 is provided with a piston rod 50 in a penetrating way, the piston rod 50 is connected with the sampling tube 11 in a sealing and sliding way, two ends of the air inlet box 44 are respectively provided with an air guide port 55, the air inlet box 44 is communicated with the sampling tube 11 through the air guide port 55 and guides a gas sample into the sampling tube 11 through the air guide port 55, the air inlet box 44 is internally connected with an airtight sliding block 53 in a sliding way, two airtight sliding blocks 53 are arranged, an air guide through groove 56 is arranged in a penetrating way in the airtight sliding block 53, one side of the outside of the airtight sliding block 53 is connected with the inner side wall of the air inlet box 44 through an airtight spring 54, the other side of the outside of the airtight sliding block 53 is fixedly connected with a transmission block 45, the transmission block 45 penetrates through the side wall of the air inlet box 44 and is connected with the air inlet box 44 in a sliding way, one side of the transmission block 45 close to the sliding sleeve 38 is arranged in an inclined plane and is pushed by the airtight spring 54, the air-tight sliding block 53 seals the air guide opening 55, and the air guide through groove 56 is not communicated, so that the air tightness of the air inlet box 44 is kept;
when the sliding sleeve 38 is sleeved outside the air inlet box 44, the sliding sleeve 38 pushes the driving blocks 45 at two sides through the inclined surface, the driving block 45 pushes the airtight sliding block 53 and compresses the airtight spring 54, so that the air guide through groove 56 and the air guide hole 55 are coaxial to keep smooth air flow, when the sliding sleeve 38 is separated from the air inlet box 44, the driving block 45 does not push the airtight sliding block 53 any more, the air inlet box 44 is kept airtight again, and therefore the sampling tube 11 can be smoothly sampled by air extraction during sampling, and the sampling cylinder 11 is ensured to be completely isolated from the outside before and after sampling, so that the sample is prevented from being polluted, and the true, reliable and accurate sampling is ensured.
A piston plate 47 is slidably connected inside the sampling tube 11, the periphery of the piston plate 47 is in sealed connection with the inner side wall of the sampling tube 11, an installation seat 49 is installed at the center of one side, close to the piston rod 50, of the piston plate 47, the installation seat 49 is movably clamped with one end of the piston rod 50, the other end of the piston rod 50 is fixedly connected with a push-pull block 51, a butt-joint block 52 is fixedly connected to one side, close to the push-pull block 51, inside the sampling tube 11, the butt-joint block 52 is slidably sleeved on the periphery of the piston rod 50, one side of the butt-joint block 52 is movably clamped with the installation seat 49, an airtight ring 48 is fixedly connected to the periphery, close to the installation seat 49, of one side of the piston plate 47, the periphery of the airtight ring 48 is in sealed sliding connection with the inner side wall of the sampling tube 11, and a clamping block in sliding clamping connection with the supporting turntable 24 is fixedly connected to the periphery of the sampling tube 11;
during sampling, the push-pull block 51 pulls the piston rod 50, the piston rod 50 pulls the piston plate 47 through the mounting seat 49, gas is sampled and stored in the sampling cylinder 11, the air tightness of the sampling cylinder 11 is ensured through the piston plate 47 and the air-tight ring 48, so that the air in the protective box 1 is prevented from entering the sampling cylinder 11 through the piston plate 47, when the mounting seat 49 is abutted to the abutting block 52, the push-pull block 51 continues to pull the piston rod 50, the piston rod 50 is separated from the mounting seat 49, the piston rod 50 is taken out of the sampling cylinder 11, the piston rod 50 is prevented from pushing the piston plate 47 to move due to impact, the gas sample stored in the sampling cylinder 11 is prevented from leaking, meanwhile, the sampling cylinder 11 and the piston rod 50 are conveniently classified and stored, the storage efficiency and the space utilization rate are improved, and the sampling times and the whole accuracy are improved.
Fixedly connected with pole grip block 28 on the slider of another second lead screw slip table 13, the draw-in groove that corresponds the joint with push-and-pull piece 51 is seted up to the upper surface of pole grip block 28, when second motor 25 rotates support carousel 24, the sampler barrel 11 that will be located support carousel 24 top moves to the one side that is close to second lead screw slip table 13, push-and-pull piece 51 and pole grip block 28 joint on this sampler barrel 11 simultaneously, second lead screw slip table 13 removal pole grip block 28 during the sample, thereby the pulling pushes away and-pulls piece 51, and take piston rod 50 down from sampler barrel 11, fall and be collected after piston rod 50 separates.
A cylinder storage box 14 is arranged at the bottom of the inner side of the protective box 1 under the supporting turntable 24, a rod storage box 27 is arranged at one side of the bottom of the inner side of the protective box 1 close to the cylinder storage box 14, a second electric push rod 15 is arranged at the other side of the bottom of the inner side of the protective box 1 close to the cylinder storage box 14, the second electric push rod 15 is vertically upward, a supporting frame 29 is fixedly connected with the telescopic end of the second electric push rod 15, and the supporting frame 29 is of a hollow frame structure, the inner size of the supporting frame 29 is consistent with that of the sampling tube 11, the length of the supporting frame is longer than that of the sampling tube 11, a pair of clamping rods 16 are fixedly connected to the middle parts of two sides of the upper surface of the supporting frame 29, the upper ends of opposite side surfaces of the clamping rods 16 on two sides are provided with second spring blocks 30, wherein, the clamping rod 16 at one side is connected with the second electric push rod 15 through a triangular connecting block 23 so as to increase the stability, and the tops of the cylinder storage box 14 and the rod storage box 27 and the side close to the protective side door 4 are in an open state;
when in use, after the sampling tube 11 finishes sampling operation, the piston rod 50 and the push-pull block 51 fall into the rod storage box 27 for storage, then the second motor 25 rotates the supporting turntable 24 to enable the sampled sampling tube 11 to rotate right above the supporting frame 29, then the second electric push rod 15 extends out to push the supporting frame 29 to move upwards, the clamping rod 16 moves to two sides of the sampling tube 11, at the same time, the second spring block 30 moves to the upper side of the sampling tube 11 and abuts against the sampling tube 11, then the second electric push rod 15 contracts, the second spring block 30 and the gripping rod 16 grip the sampling tube 11 and push the sampling tube 11 downwards, so that the sampling tube 11 passes through the support frame 29 and drops into the tube storage box 14 for storage, and when all the samples are taken, by opening the locking buckle 5 and opening the protective side door 4, the sampling cylinder 11 and the piston rod 50 which store the gas sample are taken out, so that the sampling replacement is rapidly carried out.
Support and all install third spring block 46 near the edge that supports carousel 24 on the mounting groove both sides cell wall of carousel 24, through the butt of third spring block 46 with sampler barrel 11, ensure that sampler barrel 11 is with support carousel 24 butt joint back remain stable, avoid falling or producing the skew from supporting carousel 24, lead to unable sample.
In the using process of the invention, sampling cylinders 11 are separately contained by a containing box 9 and a partition plate 18, the sampling cylinders 11 are uniformly distributed in an array, the sampling cylinders 11 are limited between rubber bumps and a push rod 10 by the rubber bumps, then a first screw rod sliding table 12 moves the push rod 10 to move towards a direction of a first electric push rod 8 by the diameter distance of one sampling cylinder 11, so that the sampling cylinder 11 closest to the first electric push rod 8 falls between the partition plate 18 and the containing box 9, the sampling cylinder 11 is positioned right below the first electric push rod 8 by the guidance of a guide block 19 and the limitation of the containing box 9 and a first spring block 21, then the first electric push rod 8 sequentially pushes the sampling cylinders 11 in a first vertical row out of the containing box 9 and samples air outside a protective box 1 by the sampling cylinders 11, and after all the sampling cylinders 11 in the first vertical row are pushed out and sampling is finished, according to the setting of a worker, the first screw rod sliding table 12 moves the push rod 10 again to move a distance of the diameter of one sampling cylinder 11 towards the direction of the first electric push rod 8 to be matched with the first electric push rod 8, so that the vertical sampling cylinders 11 are continuously pushed out of the containing box 9 and the outside air of the protective box 1 is sampled, multiple sampling is realized, the number of samples is increased, and the worker can more accurately detect the air;
the first motor 22 rotates the driving gear 31 and the radial fan 40 simultaneously, when the driving gear 31 is rotated, the driving gear 31 drives the driven gear ring 34 to rotate, the driven gear ring 34 drives the transmission ring 33, the transmission ring 33 drives the brush rod 35, thereby the inner side walls of the outer sleeve 36 and the inner sleeve 37 are cleaned by the dust on the brush rod 35, impurities on the pipe wall are cleaned, a chute is arranged on the inner side wall of the outer sleeve 36, a convex block is fixedly connected on the outer side wall of the inner sleeve 37, the convex block corresponds to and is in sliding connection with the chute, the convex block slides in the chute to limit, the inner sleeve 37 is prevented from rotating while sliding in the outer sleeve 36, the radial fan 40 generates flowing wind and is guided into the sliding sleeve 38 through the communication groove 41, at the moment, the shielding plate 43 shields one end of the sliding sleeve 38 under the elastic force of the spring rotating shaft 42, so that the flowing wind is guided into the inner sleeve 37, and is blown out of the protective box 1 along the inner sleeve 37, the outer sleeve 36, the transmission box 17 and the air inlet 2, thereby discharging the cleaned impurities out of the protective box 1, avoiding the influence between two adjacent gas samples, keeping independence between every two samples, when a sample is required, suspending the first motor 22, starting the second screw rod sliding table 13 connected with the sliding sleeve 38, moving the sliding sleeve 38 to be butted with the sampling cylinder 11, when the sample is taken, the baffle plate 43 is pushed to rotate towards the port of the communicating groove 41 and shade the communicating groove 41, then the sampling cylinder 11 extracts air for sampling, the gas sample enters the air inlet 2 from the outer side of the protective box 1, enters the sampling cylinder 11 along the outer sleeve 36, the inner sleeve 37 and the sliding sleeve 38, and simultaneously the baffle plate 43 shades the communicating groove 41 to keep air tightness, thereby preventing the air in the gas sample from being mixed into the protective box 1, avoiding sample pollution, after the previous sampling is finished, the sliding sleeve 38 is separated from the sampling cylinder 11, the shielding plate 43 restores shielding the sliding sleeve 38 and is cleaned through the brush and the radial flow fan 40, so that the influence of the previous sampling on the next sampling and sample pollution are eliminated, and the sampling accuracy and authenticity are improved;
when the transmission block 45 is not subjected to extrusion force, the airtight sliding block 53 plugs the air guide opening 55 under the pushing action of the airtight spring 54, and the air guide opening 55 and the air guide through groove 56 are arranged in a staggered manner and are not communicated with each other, so that the air tightness of the air inlet box 44 is kept, further the sampling tube 11 is kept isolated from the outside, and the sampling tube 11 is prevented from being polluted by the outside, when the sliding sleeve 38 is sleeved on the outer side of the air inlet box 44, the sliding sleeve 38 pushes the transmission block 45 on two sides through the inclined surface, the transmission block 45 pushes the airtight sliding block 53 and compresses the airtight spring 54, so that the air guide through groove 56 and the air guide opening 55 are coaxial, and the air flow is kept smooth, when the sliding sleeve 38 is separated from the air inlet box 44, the transmission block 45 does not push any more, the airtight spring 54 pushes the airtight sliding block 53 by using elastic force, the air inlet box 44 is kept airtight again, and therefore, the sampling tube 11 can be pumped and sampled smoothly during sampling, the sampling cylinder 11 is ensured to be completely isolated from the outside before and after sampling, so that the sample is prevented from being polluted, and the true, reliable and accurate sampling is ensured;
during sampling, the push-pull block 51 pulls the piston rod 50, the piston rod 50 pulls the piston plate 47 through the mounting seat 49, gas is sampled and stored in the sampling tube 11, the air tightness of the sampling tube 11 is ensured through the piston plate 47 and the air-tight ring 48, so that air in the protective box 1 is prevented from entering the sampling tube 11 through the piston plate 47, when the mounting seat 49 is abutted to the abutting block 52, the push-pull block 51 continuously pulls the piston rod 50, the piston rod 50 is separated from the mounting seat 49, so that the piston rod 50 is taken out of the sampling tube 11, after the sampling tube 11 finishes sampling operation, the piston rod 50 and the push-pull block 51 fall into the rod storage box 27 for storage, then the second motor 25 rotates the support turntable 24, the sampled sampling tube 11 rotates to be right above the support frame 29, then the second electric push rod 15 extends out, the support frame 29 is pushed to move upwards, the clamping rods 16 move to two sides of the sampling tube 11, simultaneously second spring block 30 moves to the upside of sampling tube 11 and with sampling tube 11 butt, second electric putter 15 shrink afterwards, second spring block 30 presss from both sides with pressing from both sides and gets pole 16 and to the centre gripping of sampling tube 11 and promote sampling tube 11 downwards to make sampling tube 11 pass carriage 29 and fall into a section of thick bamboo case 14 and accomodate, after whole samples are accomplished, through opening locking buckle 5, open protection side door 4, take out sampling tube 11 and the piston rod 50 that will preserve gaseous sample, thereby take a sample and replace fast.
Although the present invention has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the present invention.
Claims (10)
1. The utility model provides a gas sampling test device for complex environment, its characterized in that, includes protecting box (1), inlet port (2) have been seted up to the front side of protecting box (1), protection side door (4) are installed to one side of protecting box (1), first electric putter (8) are installed on the inboard upper portion of protecting box (1), one side that the inboard upper portion of protecting box (1) is close to first electric putter (8) is installed and is held box (9), place sampler barrel (11) that are used for the gas sample side by side in holding box (9), the inboard mid-mounting of protecting box (1) has two second lead screw slip tables (13), one side of second lead screw slip table (13) is provided with second motor (25), the drive shaft tip fixedly connected with transmission bull stick (26) of second motor (25), two support carousel (24) are installed to the tip of transmission bull stick (26), one side fixedly connected with transmission box (17) that the inboard middle part of protective housing (1) is close to inlet port (2), first motor (22) are installed to one side of transmission box (17).
2. The gas sampling and detecting device for complex environment as claimed in claim 1, wherein a driving gear (31) is fixedly sleeved on an end portion of a driving shaft at one side of the first motor (22), an air guide pipe (39) is installed at the other side of the first motor (22), and a radial flow fan (40) is arranged in the air guide pipe (39).
3. The gas sampling and detecting device for the complex environment as recited in claim 1, wherein a driven gear ring (34) is disposed on one side of the interior of the transmission box (17) close to the driving gear (31), a transmission ring (33) is fixedly sleeved on the inner side of the driven gear ring (34), the transmission ring (33) is rotatably connected with the transmission box (17) through a support ring (32), a plurality of brush rods (35) which are uniformly distributed at equal angles are fixedly connected to the inner side wall of the transmission ring (33), and a brush is fixedly connected to one side of the brush rods (35) close to the inner sleeve (37).
4. The gas sampling and detecting device for complex environment as claimed in claim 1, wherein an outer sleeve (36) is connected through the side surface of the transmission box (17), an inner sleeve (37) is slidably sleeved in the outer sleeve (36), and a sliding sleeve (38) is connected through the end of the inner sleeve (37).
5. The gas sampling and detecting device for the complex environment as recited in claim 4, wherein a communicating groove (41) is formed in one side of the sliding sleeve (38) close to the air guide pipe (39) in a penetrating manner, the communicating groove (41) is communicated with the air guide pipe (39), a shielding plate (43) is installed on the inner side of one end of the sliding sleeve (38), one side of the shielding plate (43) is elastically hinged to the sliding sleeve (38) through a spring rotating shaft (42), and one side of the sliding sleeve (38) is fixedly connected with a sliding block of one of the second sliding tables (13).
6. The gas sampling and detecting device for the complex environment as recited in claim 1, wherein one end of the sampling tube (11) is connected with an air inlet box (44) in a penetrating manner, the other end of the sampling tube (11) is provided with a piston rod (50) in a penetrating manner, an airtight sliding block (53) is connected to the inside of the air inlet box (44) in a sliding manner, an air guide through groove (56) is arranged in the airtight sliding block (53) in a penetrating manner, one side of the airtight sliding block (53) is connected with the air inlet box (44) through an airtight spring (54), the other side of the airtight sliding block (53) is fixedly connected with a transmission block (45), and the transmission block (45) penetrates through the side wall of the air inlet box (44).
7. The gas sampling and detecting device for the complex environment as recited in claim 1, wherein a piston plate (47) is slidably connected to the interior of the sampling tube (11), a mounting seat (49) is installed at the center of one side of the piston plate (47) close to the piston rod (50), and the mounting seat (49) is movably clamped with one end of the piston rod (50).
8. The gas sampling and detecting device for complex environment as claimed in claim 7, wherein an airtight ring (48) is fixedly connected to one side of the piston plate (47) near the outer periphery of the mounting seat (49), and the outer periphery of the airtight ring (48) is in sealing sliding connection with the inner side wall of the sampling cylinder (11).
9. The gas sampling and detecting device for the complex environment as recited in claim 1, wherein mounting plates (3) are mounted on the other side and the bottom of the protective box (1), bolts fixedly connected with the outside of the vehicle or the side of the wall are arranged at four corners of the mounting plates (3), supporting seats (6) are mounted at four corners of one side of the mounting plates (3) close to the protective box (1), and mounting buckles (7) corresponding to the supporting seats (6) are mounted at four corners of the side and the bottom of the protective box (1).
10. The gas sampling and detecting device for complex environment as claimed in claim 1, wherein the supporting turntable (24) is provided with a plurality of mounting grooves on the peripheral side for butt joint with the sampling cylinder (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210260358.2A CN114608904A (en) | 2022-03-16 | 2022-03-16 | Gas sampling detection device for complex environment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210260358.2A CN114608904A (en) | 2022-03-16 | 2022-03-16 | Gas sampling detection device for complex environment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116337547A (en) * | 2023-05-26 | 2023-06-27 | 泰州奥尔斯顿生物科技有限公司 | Environment monitoring device for volatile organic compound analysis |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116337547A (en) * | 2023-05-26 | 2023-06-27 | 泰州奥尔斯顿生物科技有限公司 | Environment monitoring device for volatile organic compound analysis |
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