CN112595817A - Centralized detection device for air collection samples - Google Patents
Centralized detection device for air collection samples Download PDFInfo
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- CN112595817A CN112595817A CN202011453032.9A CN202011453032A CN112595817A CN 112595817 A CN112595817 A CN 112595817A CN 202011453032 A CN202011453032 A CN 202011453032A CN 112595817 A CN112595817 A CN 112595817A
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- 238000001514 detection method Methods 0.000 title claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 238000005086 pumping Methods 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 10
- 238000013016 damping Methods 0.000 claims description 27
- 238000000034 method Methods 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000001360 synchronised effect Effects 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
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
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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
- G01N1/2226—Sampling from a closed space, e.g. food package, head space
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- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a centralized detection device for air collection samples, which comprises a supporting plate, a corner driving mechanism, a circular groove, an L-shaped seat, an electric telescopic rod, an air cylinder, a puncture needle, a material pressing ring, a vacuum pumping pump and an air detector, wherein the corner driving mechanism is arranged on the supporting plate; the corner driving mechanism is arranged on the upper end face of the supporting plate, the driving end of the corner driving mechanism is connected with the center of the bottom of the circular groove, and a plurality of gas collecting bottle clamping mechanisms are arranged on the bottom face of the inner cavity of the circular groove in an annular array; the electric telescopic rod is arranged on the supporting plate through the L-shaped seat, the axial direction of the electric telescopic rod is perpendicular to the supporting plate, the telescopic end of the electric telescopic rod faces the supporting plate, the telescopic end of the electric telescopic rod is provided with a mounting plate, the lower end face of the mounting plate is provided with an air cylinder, and the telescopic end of the air cylinder faces downwards vertically and is provided with a puncture needle; the vacuum pumping pump and the air detector are both arranged on the upper end face of the supporting plate, an air suction end pipeline of the vacuum pumping pump is communicated with the inner cavity of the puncture needle, and an air outlet end pipeline of the vacuum pumping pump is communicated with the air detector. The invention has convenient use and reduced working strength.
Description
Technical Field
The invention relates to the technical field of air detection, in particular to a centralized detection device for air collection samples.
Background
With the increasing attention of people to data such as environmental quality and meteorological conditions, the industry is also working on developing related software and hardware to provide data such as environmental quality and meteorological conditions concerned by clients in real time, and in addition, due to the development of modern technologies, the cost of data storage is greatly reduced, the technologies such as cloud computing and big data analysis are becoming mature day by day, and the demand for obtaining a large amount of raw data (raw data) has increased.
At present, an air collection sample is stored in a gas collecting bottle, then an air detector is used for detecting air samples in the gas collecting bottles one by one, the process needs to manually utilize a vacuumizing device to pump gas in the gas collecting bottles one by one into the air detector for detection, the process needs to be manually held by the gas collecting bottles one by one, then a puncturing needle at the air suction end of the vacuumizing device punctures a bottle plug of the gas collecting bottle, and then air in the gas collecting bottle is extracted into the air detector, the operation is complex, and the labor intensity of workers is high.
Disclosure of Invention
The present invention is directed to a centralized detection device for air sampling samples, which solves the above problems of the prior art.
In order to solve the technical problems, the invention adopts the technical scheme that:
a centralized detection device for air collection samples comprises a supporting plate, a corner driving mechanism, a circular groove, an L-shaped seat, an electric telescopic rod, an air cylinder, a puncture needle, a material pressing ring, a vacuum pumping pump and an air detector;
the corner driving mechanism is arranged on the upper end face of the supporting plate, the driving end of the corner driving mechanism is connected with the center of the bottom of the circular groove, a plurality of gas collecting bottle clamping mechanisms are arranged on the bottom face of the inner cavity of the circular groove in an annular array mode, a rotary table is arranged at the center of the bottom face of the inner cavity of the circular groove, each gas collecting bottle clamping mechanism comprises a semicircular fixing clamp, a moving clamp and a pull rod, the fixing clamps are fixedly arranged on the bottom face of the inner cavity of the circular groove, slide rods are symmetrically arranged on two sides of each fixing clamp, two sides of each moving clamp are slidably connected with two groups of the slide rods, the top end of the arc outer side of each moving clamp is hinged with one end of each pull rod, the other end of each pull rod is hinged with the rotary table, the center of the upper end face of;
the electric telescopic rod is arranged on the supporting plate through the L-shaped seat, the axial direction of the electric telescopic rod is vertical to the supporting plate, the telescopic end of the electric telescopic rod faces the supporting plate, the telescopic end of the electric telescopic rod is provided with a mounting plate, the lower end face of the mounting plate is provided with an air cylinder, the telescopic end of the air cylinder faces downwards vertically and is provided with a puncture needle, the puncture needle faces the gas collecting bottle mouth clamped by a fixed clamp and a movable clamp in any group of gas collecting bottle clamping mechanisms in the vertical direction, the lower end face of the mounting plate is also symmetrically and vertically provided with guide posts positioned at two sides of the air cylinder, two groups of the guide posts are sleeved with first reset springs, the lower ends of two groups of guide post bodies are both sleeved, the first return spring is elastically abutted against the sliding sleeves, horizontal force arms are symmetrically arranged on the adjacent sides of the two groups of sliding sleeves, and the adjacent ends of the two groups of horizontal force arms are symmetrically connected with the periphery of the pressing ring which is axially vertical;
the vacuum pumping pump and the air detector are both arranged on the upper end face of the supporting plate, an air suction end pipeline of the vacuum pumping pump is communicated with the inner cavity of the puncture needle, and an air outlet end pipeline of the vacuum pumping pump is communicated with the air detector.
Further, a bottom plate is arranged below the supporting plate, a slide rail is arranged on the bottom plate, two groups of slide blocks are arranged on the slide rail in a sliding manner, connecting rods are hinged on the two groups of slide blocks, one ends, away from the slide blocks, of the two groups of connecting rods are hinged on the lower end face of the supporting plate, two groups of symmetrical bearing sleeves and two groups of symmetrical damping sleeves are arranged on the bottom plate, the two groups of bearing sleeves and the two groups of damping sleeves respectively correspond to each other, a hydraulic pipe is communicated between each bearing sleeve and the corresponding damping sleeve, a bearing piston rod is arranged in each group of bearing sleeves, a bearing spring is sleeved on each bearing piston rod, the top end of each bearing piston rod is supported and connected with the lower end face of the supporting plate, damping piston rods are arranged in the two groups of damping sleeves, a top plate is, the top of riser is equipped with the horizontal pressure plate that corresponds the roof, be equipped with damping spring between horizontal pressure plate and the roof.
Furthermore, two sets of connecting rods are the splayed, and are connected with the extension spring between two sets of connecting rods.
Furthermore, corner actuating mechanism includes driving motor, driving gear, pivot, bearing frame, driven gear, the vertical setting of driving motor axial is in the backup pad, and its axle head connects with one heart the driving gear, the pivot is passed through the vertical setting of bearing frame is in the backup pad, connects with one heart in the pivot driven gear, driven gear and driving gear meshing, the bottom center of connecting the circular recess is supported at the top of pivot.
Furthermore, the rotating angle of the round groove driven by the corner driving mechanism at a single time is equal to the station included angle formed by the fixed clamp and the movable clamp in the adjacent gas collecting bottle clamping mechanism
Furthermore, a second return spring sleeved on the sliding rod is arranged between the fixing clamp and the moving clamp.
Furthermore, the pressing ring is used for pressing a bottle mouth rubber plug of the gas collecting bottle.
Furthermore, rubber pads are arranged on the inner sides of the arc-shaped fixed clamp and the arc-shaped movable clamp.
The invention has the beneficial effects that:
the invention provides a centralized detection device for air collection samples, which is convenient to use and reduces the labor intensity of workers. Placing a plurality of gas collecting bottles filled with detected air between a fixed clamp and a movable clamp of a plurality of gas collecting bottle clamping mechanisms in a circular groove respectively, then moving a rotating handle to rotate a turntable, driving a pull rod hinged with the turntable to drive the movable clamp to the fixed clamp to clamp the gas collecting bottles, wherein a pin hole in the turntable coincides with a positioning hole in the bottom surface of an inner cavity of the circular groove along with the rotation of the turntable, then inserting a positioning pin into the pin hole, and allowing the positioning pin to fall into the positioning hole from the pin hole, so that the positioning of the turntable is realized, the position of the movable clamp is kept unchanged, and the fixed clamp and the movable clamp are kept in a clamping state on the gas collecting bottles;
then the integral structure of the telescopic end of the electric telescopic rod is driven to move downwards by the first-step drive of the electric telescopic rod, so that the material pressing ring firstly presses against a bottleneck rubber plug of the gas collecting bottle, then the puncture needle penetrates through the inner ring of the material pressing ring by the second-step drive of the air cylinder to puncture the bottleneck rubber plug of the gas collecting bottle, the needle point of the puncture needle is inserted into the gas collecting bottle, then the vacuum-pumping pump starts to work to suck the air in the gas collecting bottle into the air detector, after the air-pumping pump stops working, the air cylinder firstly drives the puncture needle to retreat, and the bottleneck rubber plug of the gas collecting bottle is pressed by the material pressing ring, so that the bottleneck rubber plug of the gas collecting bottle does not move upwards along with the retreat of the puncture needle, the next puncture work of puncture needle is not delayed, then the integral structure of the telescopic end of the electric telescopic rod is driven to retreat, the puncture needle is opposite to the bottle mouth of the gas collecting bottle clamped by the fixed clamp and the movable clamp in the next group of gas collecting bottle clamping mechanisms in the vertical direction, and then the operations are synchronized until all the air in the gas collecting bottles is pumped out.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is an enlarged view at a in fig. 1.
Figure 3 is a top view of the circular groove of the present invention.
In the figure: 1. a supporting plate, 2, a circular groove, 3, an L-shaped seat, 4, an electric telescopic rod, 5, a cylinder, 6, a puncture needle, 7, a pressure ring, 8, a vacuum pump, 9, an air detector, 10, a rotary table, 11, a fixing clamp, 12, a movable clamp, 13, a pull rod, 14, a slide rod, 15, a rotary handle, 16, a pin hole, 17, a mounting plate, 18, a guide pillar, 19, a first reset spring, 20, a sliding sleeve, 21, a horizontal force arm, 22, the hydraulic damping device comprises a bottom plate, 23, a sliding rail, 24, a sliding block, 25, a connecting rod, 26, a tension spring, 27, a bearing sleeve, 28, a damping sleeve, 29, a hydraulic pipe, 30, a bearing piston rod, 31, a bearing spring, 32, a damping piston rod, 33, a top plate, 34, a vertical plate, 35, a horizontal pressing plate, 36, a damping spring, 37, a driving motor, 38, a driving gear, 39, a rotating shaft, 40, a bearing seat, 41, a driven gear, 42 and a second return spring.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 3, the invention provides a centralized detection device for air collection samples, which comprises a support plate 1, a corner driving mechanism, a circular groove 2, an L-shaped seat 3, an electric telescopic rod 4, an air cylinder 5, a puncture needle 6, a material pressing ring 7, a vacuum pumping pump 8 and an air detector 9;
the corner driving mechanism is arranged on the upper end surface of the supporting plate 1, the driving end of the corner driving mechanism is connected with the bottom center of the circular groove 2, a plurality of gas collecting bottle clamping mechanisms are arranged on the bottom surface of the inner cavity of the circular groove 2 in an annular array, a rotary disc 10 is arranged at the center of the bottom surface of the inner cavity of the circular groove 2, each gas collecting bottle clamping mechanism comprises a semicircular fixing clamp 11 and a movable clamp 12, the fixing clamp 11 is fixedly arranged on the bottom surface of the inner cavity of the circular groove 2, the sliding rods 14 are symmetrically arranged on two sides of the fixing clamp 11, two sides of the movable clamp 12 are connected with the two groups of sliding rods 14 in a sliding mode, the top end of the arc outer side of the movable clamp 12 is hinged to one end of the pulling rod 13, the other end of the pulling rod 13 is hinged to the rotary table 10, the center of the upper end face of the rotary table 10 is connected with a rotary handle 15, the rotary table 10 is provided with a pin hole 16 penetrating through the rotary table 10, and the bottom surface of the inner cavity of the circular groove 2 is;
the electric telescopic rod 4 is arranged on the supporting plate 1 through the L-shaped seat 3, the axial direction of the electric telescopic rod 4 is perpendicular to the supporting plate 1, the telescopic end of the electric telescopic rod 4 faces the supporting plate 1, the telescopic end of the electric telescopic rod 4 is provided with a mounting plate 17, the lower end face of the mounting plate 17 is provided with an air cylinder 5, the telescopic end of the air cylinder 5 faces downwards vertically and is provided with a puncture needle 6, the puncture needle 6 faces against the opening of a gas collecting bottle clamped by a fixing clamp 11 and a moving clamp 12 in any group of gas collecting bottle clamping mechanisms in the vertical direction, the lower end face of the mounting plate 17 is also symmetrically and vertically provided with guide posts 18 positioned at two sides of the air cylinder 5, the two groups of guide posts 18 are sleeved with first reset springs 19, the lower ends of the bodies of the two groups of guide posts 18 are sleeved with sliding sleeves 20, the first reset springs 19 are elastically abutted against the sliding sleeves 20, the pressing ring 7 is used for pressing down a bottle mouth rubber plug of the gas collecting bottle;
the vacuum pump 8 and the air detector 9 are both arranged on the upper end face of the support plate 1, the air suction end pipeline of the vacuum pump 8 is communicated with the inner cavity of the puncture needle 6, and the air outlet end pipeline of the vacuum pump 8 is communicated with the air detector 9.
In this embodiment, a bottom plate 22 is arranged below a support plate 1, a slide rail 23 is arranged on the bottom plate 22, two sets of sliders 24 are slidably arranged on the slide rail 23, connecting rods 25 are hinged on the two sets of sliders 24, the two sets of connecting rods 25 are splayed, a tension spring 26 is connected between the two sets of connecting rods 25, one ends of the two sets of connecting rods 25, which are far away from the sliders 24, are hinged on the lower end surface of the support plate 1, two sets of symmetrical bearing sleeves 27 and two sets of symmetrical damping sleeves 28 are arranged on the bottom plate 22, the two sets of bearing sleeves 27 respectively correspond to the two sets of damping sleeves 28, a hydraulic pipe 29 is communicated between each bearing sleeve 27 and the corresponding damping sleeve 28, a bearing piston rod 30 is arranged in each set of the two sets of bearing sleeves 27, a bearing spring 31 is sleeved on each bearing piston rod 30, the top end of each bearing piston rod 30, the bottom plate 22 is further provided with two groups of vertical plates 34 which are respectively adjacent to the two groups of damping sleeves 28, the top ends of the vertical plates 34 are provided with horizontal pressing plates 35 corresponding to the top plate 33, and damping springs 36 are arranged between the horizontal pressing plates 35 and the top plate 33. The bearing piston rod 30 supporting the supporting plate 1 moves up and down, then the bearing spring 31 can play a certain buffering role, meanwhile, the bearing piston rod 30 is utilized to press hydraulic oil in the bearing sleeve 27 to enter the damping sleeve 28 through the hydraulic pipe 29, the damping piston rod 32 is pushed, the damping piston rod 32 pushes the top plate 33, the damping spring 36 between the top plate 33 and the horizontal pressing plate 35 can play a role in reducing vibration, and therefore the whole damping effect is better.
Specifically, corner actuating mechanism includes driving motor 37, driving gear 38, pivot 39, bearing frame 40, driven gear 41, driving motor 37 is vertical to the axial setting in backup pad 1, driving gear 38 is connected with its axle head is concentric, pivot 39 passes through the vertical setting of bearing frame 40 on backup pad 1, concentric connection driven gear 41 on the pivot 39, driven gear 41 meshes with driving gear 38, the bottom center of circular recess 2 is connected in the top support of pivot 39, the rotatory angle of corner actuating mechanism single drive circular recess 2 equals with the station contained angle that fixation clamp 11 and removal clamp 12 formed in the adjacent gas collecting bottle clamping mechanism.
In this embodiment, a second return spring 42 is disposed between the fixed clip 11 and the movable clip 12, and is disposed on the sliding rod 14.
In this embodiment, rubber pads are disposed on the inner sides of the arc-shaped fixed clip 11 and the movable clip 12.
The working process is as follows:
placing a plurality of gas collecting bottles filled with detected air between a fixing clamp 11 and a moving clamp 12 of a plurality of gas collecting bottle clamping mechanisms in a circular groove 2 respectively, then wrestling a rotating handle 15 to enable a rotary table 10 to rotate, driving a pull rod 13 hinged with the rotary table 10 to enable the moving clamp 12 to drive the fixing clamp 11 to clamp the gas collecting bottles, enabling a pin hole 16 on the rotary table 10 to coincide with a positioning hole on the bottom surface of an inner cavity of the circular groove 2 along with the rotation of the rotary table 10, inserting a positioning pin into the pin hole 16, enabling the positioning pin to fall into the positioning hole from the pin hole 16, positioning the rotary table 10, further keeping the position of the moving clamp 12 unchanged, and enabling the fixing clamp 11 and the moving clamp 12 to keep a clamping state on the gas collecting bottles;
then the electric telescopic rod 4 is driven to drive the integral structure of the telescopic end to move downwards, so that the material pressing ring 7 is firstly pressed on a bottleneck rubber plug of the gas collecting bottle, then the puncture needle 6 penetrates through the inner ring of the material pressing ring 7 through the second-step driving of the air cylinder 5 to puncture the bottleneck rubber plug of the gas collecting bottle, the needle point of the puncture needle 6 is inserted into the gas collecting bottle, then the vacuum-pumping pump 8 starts to work to pump the air in the gas collecting bottle into the air detector 9, after the air-pumping pump 8 stops working, the air cylinder 5 drives the puncture needle 6 to move backwards, the material pressing ring 7 presses the bottleneck rubber plug of the gas collecting bottle, therefore, the bottleneck rubber plug of the gas collecting bottle cannot move upwards along with the retreat of the puncture needle 6, the puncture needle 6 is not delayed to carry out the next puncture work, then the electric telescopic rod 4 drives the integral structure of the telescopic end to move backwards, and then the angle, and rotating the circular groove 2 by an angle to enable the puncture needle 6 to be opposite to the bottle mouth of the gas collecting bottle clamped by the fixed clamp 11 and the movable clamp 12 in the next group of gas collecting bottle clamping mechanisms in the vertical direction, and then synchronizing the operations until all the air in the gas collecting bottles is pumped out.
The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (8)
1. A centralized detection device for air collection samples is characterized by comprising a supporting plate, a corner driving mechanism, a circular groove, an L-shaped seat, an electric telescopic rod, an air cylinder, a puncture needle, a material pressing ring, a vacuum pumping pump and an air detector;
the corner driving mechanism is arranged on the upper end face of the supporting plate, the driving end of the corner driving mechanism is connected with the center of the bottom of the circular groove, a plurality of gas collecting bottle clamping mechanisms are arranged on the bottom face of the inner cavity of the circular groove in an annular array mode, a rotary table is arranged at the center of the bottom face of the inner cavity of the circular groove, each gas collecting bottle clamping mechanism comprises a semicircular fixing clamp, a moving clamp and a pull rod, the fixing clamps are fixedly arranged on the bottom face of the inner cavity of the circular groove, slide rods are symmetrically arranged on two sides of each fixing clamp, two sides of each moving clamp are slidably connected with two groups of the slide rods, the top end of the arc outer side of each moving clamp is hinged with one end of each pull rod, the other end of each pull rod is hinged with the rotary table, the center of the upper end face of;
the electric telescopic rod is arranged on the supporting plate through the L-shaped seat, the axial direction of the electric telescopic rod is vertical to the supporting plate, the telescopic end of the electric telescopic rod faces the supporting plate, the telescopic end of the electric telescopic rod is provided with a mounting plate, the lower end face of the mounting plate is provided with an air cylinder, the telescopic end of the air cylinder faces downwards vertically and is provided with a puncture needle, the puncture needle faces the gas collecting bottle mouth clamped by a fixed clamp and a movable clamp in any group of gas collecting bottle clamping mechanisms in the vertical direction, the lower end face of the mounting plate is also symmetrically and vertically provided with guide posts positioned at two sides of the air cylinder, two groups of the guide posts are sleeved with first reset springs, the lower ends of two groups of guide post bodies are both sleeved, the first return spring is elastically abutted against the sliding sleeves, horizontal force arms are symmetrically arranged on the adjacent sides of the two groups of sliding sleeves, and the adjacent ends of the two groups of horizontal force arms are symmetrically connected with the periphery of the pressing ring which is axially vertical;
the vacuum pumping pump and the air detector are both arranged on the upper end face of the supporting plate, an air suction end pipeline of the vacuum pumping pump is communicated with the inner cavity of the puncture needle, and an air outlet end pipeline of the vacuum pumping pump is communicated with the air detector.
2. The centralized testing device for air collection samples according to claim 1, wherein a bottom plate is arranged below the supporting plate, a slide rail is arranged on the bottom plate, two sets of sliders are slidably arranged on the slide rail, connecting rods are hinged on the two sets of sliders, the ends of the two sets of connecting rods, which are far away from the sliders, are hinged on the lower end surface of the supporting plate, two sets of symmetrical bearing sleeves and two sets of symmetrical damping sleeves are arranged on the bottom plate, the two sets of bearing sleeves and the two sets of damping sleeves respectively correspond to each other, hydraulic pipes are communicated between the bearing sleeves and the corresponding damping sleeves, bearing piston rods are arranged in the two sets of bearing sleeves, bearing springs are sleeved on the bearing piston rods, the top ends of the bearing piston rods are supported and connected with the lower end surface of the supporting plate, damping piston rods are arranged in the two, the damping device is characterized in that two sets of vertical plates which are respectively adjacent to the two sets of damping sleeves are further arranged on the bottom plate, horizontal pressing plates corresponding to the top plates are arranged at the top ends of the vertical plates, and damping springs are arranged between the horizontal pressing plates and the top plates.
3. The air sample collection and concentration detection device according to claim 2, wherein the two sets of connecting rods are splayed, and a tension spring is connected between the two sets of connecting rods.
4. The concentrated detection device of the air collection sample according to claim 1, wherein the rotation angle driving mechanism comprises a driving motor, a driving gear, a rotation shaft, a bearing seat and a driven gear, the driving motor is axially vertically arranged on the support plate, the shaft end of the driving motor is concentrically connected with the driving gear, the rotation shaft is vertically arranged on the support plate through the bearing seat, the rotation shaft is concentrically connected with the driven gear, the driven gear is meshed with the driving gear, and the top of the rotation shaft is supported and connected with the bottom center of the circular groove.
5. The centralized detection device for the air collection samples according to claim 1 or 4, wherein the angle of rotation of the circular groove driven by the rotation angle driving mechanism in a single time is equal to the included angle of the working positions formed by the fixed clamp and the movable clamp in the adjacent air collection bottle clamping mechanism.
6. The centralized air sample detection device of claim 1, wherein a second return spring is disposed between the fixed clamp and the movable clamp, and the second return spring is disposed on the sliding rod.
7. The centralized detection device of air collection samples according to claim 1, wherein the pressing ring is used for pressing down a bottle mouth rubber plug of the gas collection bottle.
8. The apparatus according to claim 1, wherein the fixed clamp and the movable clamp are provided with rubber pads on the inner sides of the arc.
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| CN202011453032.9A CN112595817A (en) | 2020-12-11 | 2020-12-11 | Centralized detection device for air collection samples |
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| CN202011453032.9A CN112595817A (en) | 2020-12-11 | 2020-12-11 | Centralized detection device for air collection samples |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114994254A (en) * | 2022-06-01 | 2022-09-02 | 华北电力大学（保定） | City yardstick bioaerosol monitoring and early warning device |
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| CN109856297A (en) * | 2019-01-18 | 2019-06-07 | 梁永革 | A kind of drug inspection head-space sampling device |
| CN210894235U (en) * | 2019-10-15 | 2020-06-30 | 云南华测检测认证有限公司 | Headspace sample injector capable of isolating external air |
| CN211825881U (en) * | 2020-01-06 | 2020-10-30 | 中国农业科学院农业环境与可持续发展研究所 | Self-headspace gas chromatography sample injector |
| CN111484238A (en) * | 2020-04-17 | 2020-08-04 | 新沂市弘扬果谷工艺品有限公司 | Clamping tool for cutting high borosilicate glass tube |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114994254A (en) * | 2022-06-01 | 2022-09-02 | 华北电力大学（保定） | City yardstick bioaerosol monitoring and early warning device |
| CN114994254B (en) * | 2022-06-01 | 2023-07-04 | 华北电力大学（保定） | Urban scale biological aerosol monitoring and early warning device |
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Application publication date: 20210402 |