CN208350473U - A kind of soil gas collection and detection device - Google Patents
A kind of soil gas collection and detection device Download PDFInfo
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- CN208350473U CN208350473U CN201820828822.2U CN201820828822U CN208350473U CN 208350473 U CN208350473 U CN 208350473U CN 201820828822 U CN201820828822 U CN 201820828822U CN 208350473 U CN208350473 U CN 208350473U
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Abstract
A kind of soil gas collection and detection device, including hole-forming device, acquisition device and detection device, hole-forming device includes the boring bar of cylindric setting and the seal assembly for sealing the boring bar hole, the seal assembly includes mounting box and expansion plate, the sliding groove for expansion plate sliding is offered on the mounting box, and the elastic component for the flexible sheet reset is equipped in the sliding groove.Pass through above-mentioned setting, pore-forming, acquisition and detection are not interfere with each other according to respective step, so that the seal assembly that operation is clear, detection effect is illustrated, while being arranged persistently keeps the sealing effect of device to hole when can switch acquisition device after pore-forming, the air in access aperture is reduced, detection accuracy is improved.
Description
Technical field
The utility model relates to Soil K+adsorption technical field, in particular to a kind of soil gas collection and detection device.
Background technique
Soil is the resource of people's preciousness, but with the development of process of industrialization, most of soil all by degree not
One pollution, thus it is also very necessary for the detection of soil, be conducive to control soil quality, native soil is gone back in improvement.
It is rich and varied for the detection means of soil at present, it is main or by first pore-forming in the soil, then will be in hole
The gas being collected into is detected, so that whether measure indices in soil up to standard, but during pore-forming and collection
How to reduce atmospheric air to enter is always more intractable problem in hole, proposes that a kind of soil gas is collected in view of this
Detection device.
Utility model content
The purpose of the utility model is to provide a kind of soil gas collection and detection devices, when having the gas in detecting soil
Reduce the effect of air interference.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of soil gas is collected
Detection device, including hole-forming device, acquisition device and detection device, hole-forming device include the boring bar of cylindric setting and are used for
The seal assembly of the boring bar hole is sealed, the seal assembly includes mounting box and expansion plate, is opened on the mounting box
Equipped with the sliding groove for expansion plate sliding, the elastic component for the flexible sheet reset is equipped in the sliding groove.
By using above-mentioned technical proposal, pore-forming, acquisition and detection are not interfere with each other according to respective step, so that operation is clear
Clear, detection effect is illustrated, while when seal assembly being arranged can switch acquisition device after pore-forming persistently keeps the close of device to hole
Effect is sealed, the air in access aperture is reduced, improves detection accuracy.
The utility model is further arranged to: the mounting box and expansion plate are two portions being symmetrical set
Point, and bolt and nut component is equipped between mounting box described in two parts.
By using above-mentioned technical proposal, symmetrical two parts are set by mounting box and are connected by bolt and nut component
It connects, then can also keep sealing state as far as possible when acquisition device is plugged in hole, reduce the air in access aperture, and
Also seal assembly easy to dismantle after acquisition device installation is in place.
The utility model is further arranged to: the expansion plate includes top plate and lower plywood, and the top plate is under
Laminate is made of symmetrical two parts, and the intermediate stitching portion of the top plate, which offers, abuts hole, the abutting hole
Aperture is less than the shaft diameter of the boring bar, the intermediate stitching portion guiding surface of the lower plywood, and the guiding surface is V-arrangement
Setting.
By using above-mentioned technical proposal, top plate and lower plywood are two your parts being symmetrical set, therefore
Boring bar can be first connected on the side wall for abutting hole when being inserted into soil, opening lower plywood by guiding surface, thus will
Expansion plate also maintains the effect of sealing while separating to both sides.
The utility model is further arranged to: the bottom end of the boring bar is arranged in circular cone, and the top of the boring bar
End, which offers, pulls out hole, and the hole of pulling out opens up for level.
By using above-mentioned technical proposal, circular cone, which is provided with, is conducive to drilling, while cone can also be with guiding surface phase
Cooperation, thus push lower plywood to two Slideslips, and boring bar is conveniently smoothly extracted after pore-forming in the hole of pulling out being arranged.
The utility model is further arranged to: the acquisition device includes acquiring bar and sealed end, the acquisition bar
End is in coniform setting, the sealed end is also in coniform setting, the acquisition bar and sealed end integrally connected and is
The shaft diameter of sky setting, the acquisition bar is less than the shaft diameter of the boring bar, the end cross-sectional size of the sealed end
Greater than the sectional dimension of the boring bar, the connecting pin for connecting the detection device is additionally provided on the sealed end.
By using above-mentioned technical proposal, boring bar is directly extracted after drilling is completed, and acquisition bar is inserted into hole at this time
In, since the end cross-sectional size of sealed end is greater than the sectional dimension of boring bar, so that hole be sealed.
The utility model is further arranged to: being connected with exhaust tube on the connecting pin, is additionally provided on the exhaust tube
Drying tube, the drying tube is interior to be equipped with gas dryer.
By using above-mentioned technical proposal, desiccant can be reduced the moisture absorption in be evacuated body to follow-up equipment
Adverse effect.
The utility model is further arranged to: one end of the drying tube is connect with the detection device, the detection
Device is atmosphere sampling instrument.
By using above-mentioned technical proposal, on the one hand atmosphere sampling instrument has the effect of exhausting gas collection, while also can be by gas
Powder collection in body, convenient for the ingredient of solid particle in analysis gas, the gas on the other hand collected can also further lead to
It crosses other equipment and carrys out analysis ingredient, to complete the whole detection to gas.
The utility model is further arranged to: escape pipe is also connected on the atmosphere sampling instrument, on the escape pipe
It is connected with collection airbag.
By using above-mentioned technical proposal, setting collection airbag can effectively collect gas, work convenient for subsequent detection.
In conclusion the utility model has the following beneficial effects: pore-forming, acquisition and detection are not done mutually according to respective step
It disturbs, so that the seal assembly that operation is clear, detection effect is illustrated, while being arranged continues when can switch acquisition device after pore-forming
The sealing effect of device to hole is kept, the air in access aperture is reduced, improves detection accuracy.
Detailed description of the invention
Fig. 1 is the front schematic view of boring bar；
Fig. 2 is the front schematic view for acquiring bar；
Fig. 3 is the connection schematic diagram of exhaust tube and atmosphere sampling instrument；
Fig. 4 is the Structure explosion diagram of mounting box.
In figure: 1, boring bar；11, hole is pulled out；2, mounting box；21, sliding groove；3, expansion plate；31, top plate；311, it supports
Connect hole；32, lower plywood；321, guiding surface；5, bolt and nut component；6, bar is acquired；7, sealed end；8, exhaust tube；9, dry
Pipe；10, atmosphere sampling instrument；101, escape pipe.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Specific embodiment is only the explanation to the utility model, is not limitations of the present invention, this field
Technical staff can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but only
It will be in the scope of the claims of the utility model all by the protection of Patent Law.
Embodiment: a kind of soil gas collection and detection device, as shown in Figure 1-3, include for pore-forming in the soil at
Aperture apparatus, be placed in hole-forming device acquire the acquisition device of sample gas in the air and be connected to acquisition device and be used for
The detection device of detection gas.
As shown in Figure 1, hole-forming device is that the boring bar 1 of a metal hard is used to seal the sealing of 1 hole of boring bar
Component.The shaft of boring bar 1 is cylindric and the bottom end of boring bar 1 is coniform setting, consequently facilitating drilling in soil, is bored
Level, which offers, on the top of vent stem 1 pulls out hole 11, facilitates and extracts boring bar 1.
As shown in figure 4, seal assembly includes mounting box 2 and expansion plate 3, four horizontal cunnings are offered inside mounting box 2
Dynamic slot 21, and four sliding grooves 21 divide for upper layer and lower layer, every layer is the twice sliding groove 21 being parallel to each other, and expansion plate 3 includes
The top plate 31 and lower plywood 32 being slidably connected in bilevel sliding groove 21 respectively.
As shown in figure 4, the peace for the ease of mounting box 2 and expansion plate 3 is torn open, mounting box 2 and expansion plate 3 are bilateral symmetry
Two parts being arranged, and releasable connection is realized by bolt and nut component 5 between two parts mounting box 2.
Likewise, as shown in figure 4, top plate 31 and lower plywood 32 are made of symmetrical two parts, top plate 31
Intermediate stitching portion offer and abut hole 311, the aperture for abutting hole 311 is less than the shaft diameter of boring bar 1, in lower plywood 32
Between stitching portion guiding surface 321, the V-shaped setting in the section of guiding surface 321.
In order to which sliding panel can reset in time, achieve the effect that in time to seal hole, in top plate 31 and mounting box
2, reducible elastic component (not shown) is respectively connected between lower plywood 32 and mounting box 2, elastic component is compressed spring.
When being detected, mounting box 2 is first installed, is plugged in mounting box 2 is whole on the soil to pore-forming, and under making
Laminate 32 fits on soil surface as far as possible, and the end alignment of boring bar 1 is abutted hole 311 at this time and is downwardly into soil, with
The drilling of boring bar 1, the shaft of boring bar 1 can be connected on the side wall for abutting hole 311 and drive top plate 31 to two Slideslips,
It is pushed against closely between top plate 31 and boring bar 1 at this time, has blocked air, the end abutment of further boring bar 1 is in guiding
On inclined-plane 321, to drive lower plywood 32 to two Slideslips, until 1 shaft of boring bar enters in soil.
As shown in Fig. 2, acquisition device includes acquisition bar 6 and sealed end 7, acquisition bar 6 is also in circular cone for cylindric and end
Shape setting, sealed end 7 are round table-like setting, and the shaft diameter of acquisition bar 6 is less than the shaft diameter of boring bar 1, the end of sealed end 7
Portion's sectional dimension is greater than the sectional dimension of boring bar 1, acquires bar 6 and 7 integrally connected of sealed end and is hollow setting, sealed end
The connecting pin for connecting detection device is additionally provided on 7.
As shown in Figures 2 and 3, it is connected with exhaust tube 8 on connecting pin, drying tube 9 is additionally provided on exhaust tube 8, is set in drying tube 9
There is gas dryer, one end of drying tube 9 is connect with detection device, and detection device is atmosphere sampling instrument 10, starts atmospheric sampling
Can the gas in hole be extracted and be completed out drying when instrument 10, while be also connected with escape pipe 101 on atmosphere sampling instrument 10, out
Collection airbag is connected on tracheae 101, convenient for gas to be collected, the later period carries out specific constituent analysis work again.
As previously mentioned, boring bar 1 after drilling is completed, boring bar 1 is gradually extracted, when the bottom end of boring bar 1 without departing from
When lower plywood 32, top plate 31 is closely abutted with the shaft of boring bar 1 and is blocked in air access holes；When the bottom end of boring bar 1 is de-
When from lower plywood 32, lower plywood 32 closes up to centre have been blocked in air access holes, to ensure that hole as far as possible
Leakproofness.After extracting boring bar 1 out, the end alignment for acquiring bar 6 is abutted into hole 311 and is downwardly into hole, hole 311 is abutted
Aperture be less than acquisition bar 6 shaft diameter, therefore acquire bar 6 be downwardly into hole when, due to top plate 31 abutting make
With achieving the effect that air is blocked to enter in hole, and the abutting acquired when bar 6 is not inserted between lower plywood 32 can also be played
Air is blocked to enter the effect in hole, so that it has blocked sky as far as possible under the alternating action of top plate 31 and lower plywood 32
Gas enters in hole, reduces influence of the air to gas detection in soil.
Claims (8)
1. a kind of soil gas collection and detection device, including hole-forming device, acquisition device and detection device, it is characterised in that: institute
State the boring bar (1) and the seal assembly for sealing the boring bar (1) hole that hole-forming device includes cylindric setting, institute
Stating seal assembly includes mounting box (2) and expansion plate (3), is offered on the mounting box (2) for the expansion plate (3) sliding
Sliding groove (21), the sliding groove (21) is interior to be equipped with the elastic component resetted for the expansion plate (3).
2. a kind of soil gas collection and detection device according to claim 1, it is characterised in that: the mounting box (2) and
Expansion plate (3) is two parts being symmetrical set, and bolt and nut component is equipped between mounting box described in two parts (2)
(5)。
3. a kind of soil gas collection and detection device according to claim 2, it is characterised in that: expansion plate (3) packet
Top plate (31) and lower plywood (32) are included, the top plate (31) and lower plywood (32) are made of symmetrical two parts,
The intermediate stitching portion of the top plate (31), which offers, abuts hole (311), and the aperture for abutting hole (311) is less than the drilling
The shaft diameter of bar (1), the intermediate stitching portion guiding surface (321) of the lower plywood (32), the guiding surface (321) are V
Shape setting.
4. a kind of soil gas collection and detection device according to claim 3, it is characterised in that: the boring bar (1)
Bottom end is arranged in circular cone, and the top of the boring bar (1) offers and pulls out hole (11), and the hole (11) of pulling out is opened for level
If.
5. a kind of soil gas collection and detection device according to claim 1, it is characterised in that: the acquisition device includes
Bar (6) and sealed end (7) are acquired, the end of acquisition bar (6) is in coniform setting, and the sealed end (7) is also in coniform
Setting, the shaft diameter of acquisition bar (6) are less than the shaft diameter of the boring bar (1), and the end of the sealed end (7) is cut
Face size is greater than the sectional dimension of the boring bar (1), the acquisition bar (6) and sealed end (7) integrally connected and is hollow
It is arranged, the connecting pin for connecting the detection device is additionally provided on the sealed end (7).
6. a kind of soil gas collection and detection device according to claim 5, it is characterised in that: connected on the connecting pin
Have exhaust tube (8), be additionally provided with drying tube (9) on the exhaust tube (8), gas dryer is equipped in the drying tube (9).
7. a kind of soil gas collection and detection device according to claim 6, it is characterised in that: the drying tube (9)
One end is connect with the detection device, and the detection device is atmosphere sampling instrument (10).
8. a kind of soil gas collection and detection device according to claim 7, it is characterised in that: the atmosphere sampling instrument
(10) it is also connected on escape pipe (101), is connected with collection airbag on the escape pipe (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820828822.2U CN208350473U (en) | 2018-05-30 | 2018-05-30 | A kind of soil gas collection and detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820828822.2U CN208350473U (en) | 2018-05-30 | 2018-05-30 | A kind of soil gas collection and detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208350473U true CN208350473U (en) | 2019-01-08 |
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ID=64891287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820828822.2U Active CN208350473U (en) | 2018-05-30 | 2018-05-30 | A kind of soil gas collection and detection device |
Country Status (1)
| Country | Link |
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| CN (1) | CN208350473U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112710515A (en) * | 2020-12-16 | 2021-04-27 | 上海赛弗生物科技有限公司 | In-situ soil gas measuring device and collecting method thereof |
| CN113049318A (en) * | 2021-02-23 | 2021-06-29 | 新疆水清清环境监测技术服务有限公司 | Soil gas sampling device and sampling method for soil petroleum pollution detection |
-
2018
- 2018-05-30 CN CN201820828822.2U patent/CN208350473U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112710515A (en) * | 2020-12-16 | 2021-04-27 | 上海赛弗生物科技有限公司 | In-situ soil gas measuring device and collecting method thereof |
| CN113049318A (en) * | 2021-02-23 | 2021-06-29 | 新疆水清清环境监测技术服务有限公司 | Soil gas sampling device and sampling method for soil petroleum pollution detection |
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