CN114166994B - In-tunnel gas detection device for tunnel construction - Google Patents
In-tunnel gas detection device for tunnel construction Download PDFInfo
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- CN114166994B CN114166994B CN202111230590.3A CN202111230590A CN114166994B CN 114166994 B CN114166994 B CN 114166994B CN 202111230590 A CN202111230590 A CN 202111230590A CN 114166994 B CN114166994 B CN 114166994B
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- 238000001514 detection method Methods 0.000 title claims abstract description 48
- 238000010276 construction Methods 0.000 title abstract description 12
- 230000005540 biological transmission Effects 0.000 claims description 29
- 238000001914 filtration Methods 0.000 claims description 4
- 230000003028 elevating effect Effects 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract 2
- 239000007789 gas Substances 0.000 description 30
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 5
- 235000017491 Bambusa tulda Nutrition 0.000 description 5
- 241001330002 Bambuseae Species 0.000 description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 5
- 239000011425 bamboo Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Classifications
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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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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention belongs to the technical field of tunnel construction devices, and discloses an in-tunnel gas detection device for tunnel construction, which comprises a base, wherein a fixing component for fixing the base is arranged on the base, the base is provided with a gas detection component, the gas detection component comprises a telescopic piece, the telescopic piece is arranged on the base, the output ends of the telescopic piece are commonly connected with a lifting piece, the surface of the lifting piece far away from the base is fixedly provided with a cylindrical second installation piece, and the surface of the outer side of the second installation piece is rotatably provided with a support piece. Compared with the prior art, the invention has the beneficial effects that: regional air detection can be carried out, large-range air detection is realized, the efficiency and accuracy of air detection are improved, air in the same-height area and different-height areas can be detected simultaneously, the diversity of detection is realized, the results of detection in different modes are compared, and the accuracy of detection is improved.
Description
Technical Field
The invention belongs to the technical field of tunnel construction devices, and particularly relates to an in-tunnel gas detection device for tunnel construction.
Background
With the development of the building industry, more and more roads can be built in various rugged environments, and the mountain roads are the most among cities, so that the tunnel is necessary to build, and when toxic gas is contained in the air in the tunnel due to poor air fluidity, the constructors are easily injured, and the air in the tunnel needs to be detected.
When the existing gas detection device is used, air sampling detection is carried out on a certain position, so that the air detection efficiency is low, and the difference between the air detection result and the actual situation is large through carrying out on a certain point, so that the gas detection device is not beneficial to use.
Disclosure of Invention
The embodiment of the invention aims to provide an in-tunnel gas detection device for tunnel construction, and aims to solve the problems set forth in the background.
The present invention has been achieved in such a way that,
the utility model provides a tunnel construction is with hole internal gas detection device, includes the base, is provided with the fixed subassembly that is used for unable adjustment base on the base, be provided with the gas detection subassembly on the base, the gas detection subassembly includes the extensible member, the extensible member is installed on the base and the extensible member output is connected with the lifter jointly, the surface mounting that the base was kept away from to the extensible member has a second installed part of section of thick bamboo type, second installed part outside surface rotation installs support piece, support piece is close to base surface mounting and has first driving piece, the surface mounting that the extensible member is close to the base has rotatory driving piece, rotatory driving piece output shaft end fixed mounting has the second driving piece with first driving piece meshing, the surface mounting that the support piece kept away from the base has multiunit third installed part, rotates on the third installed part jointly and installs multiunit rotating piece, the rotating piece both ends all pass the third installed part and the equal fixed mounting of one end that the rotating piece is close to each other has movable transmission piece, the surface mounting that the base surface mounting was kept away from to the extensible member has the first installed part that is located the second installed part, the first installed part that the lifting piece kept away from the lifting piece is fixed part has with movable transmission piece, the fixed mounting that is installed with movable transmission piece meshing, the fixed mounting piece that has the third installed part that the fixed mounting part is installed part that the air inlet port around the fixed mounting has the fixed mounting around the fixed mounting section of thick bamboo type, the air collection piece, set up the air inlet has on the fixed mounting around the fixed mounting in the air inlet duct and around the fixed mounting on the air inlet tube.
As a further scheme of the invention: the telescopic members are provided with a plurality of groups, the output ends of the telescopic members are rotationally connected with the lifting members, and the telescopic members on one side of the telescopic members are rotationally connected with the base.
As a further scheme of the invention: the first transmission members are distributed around the second mounting member and have the same center as the second mounting member.
As a further scheme of the invention: the air inlet holes are provided with a plurality of groups, and an included angle is formed between the air inlet holes and the air flowing direction in the air collecting piece.
As a further scheme of the invention: the outside surface of the gas collecting piece is fixedly provided with filtering pieces distributed around the gas collecting piece, and the filtering pieces cover the area where the gas inlet holes are located.
As a further scheme of the invention: the cylinder part is fixedly arranged on the support part through the bracket, and a through hole is formed in one end, far away from the air inlet pipeline, of the cylinder part.
As a further scheme of the invention: the fixed subassembly includes the slip plate, and slip plate slidable mounting just is provided with the multiunit on the base, and the one end rotation that the base was kept away from to the slip plate is installed the regulating part, and regulating part one end fixed mounting has the touchdown piece.
Compared with the prior art, the invention has the beneficial effects that: regional air detection can be carried out, large-range air detection is realized, the efficiency and accuracy of air detection are improved, air in the same-height area and different-height areas can be detected simultaneously, the diversity of detection is realized, the results of detection in different modes are compared, and the accuracy of detection is improved.
Drawings
Fig. 1 is a front view of an in-tunnel gas detection device for tunnel construction.
Fig. 2 is an enlarged view at A1 in fig. 1.
Fig. 3 is an enlarged view at A2 in fig. 1.
Fig. 4 is a schematic structural view of a gas detection module in the in-tunnel gas detection device for tunnel construction.
Fig. 5 is a schematic structural view of a support member in the in-tunnel gas detection device for tunnel construction.
In the accompanying drawings: 1. a base; 2. a telescoping member; 3. a lifting member; 4. a first mounting member; 5. fixing a transmission piece; 6. a second mounting member; 7. a support; 8. a first transmission member; 9. a rotary power member; 10. a second transmission member; 11. a third mount; 12. a rotating member; 13. a movable transmission member; 14. a gas collecting member; 15. an air supply member; 16. an air inlet hole; 17. a filter; 18. a cylindrical member; 19. an air inlet pipeline; 20. a gas detecting member; 21. a sliding plate; 22. an adjusting member; 23. a ground contact member; 24. a gas detection assembly; 25. and fixing the assembly.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Specific implementations of the invention are described in detail below in connection with specific embodiments.
As shown in fig. 1 to 5, as a preferred embodiment of the present invention, the in-tunnel gas detection device for tunnel construction comprises a base 1, a fixing component 25 for fixing the base 1 is provided on the base 1, a gas detection component 24 is provided on the base 1, the gas detection component 24 comprises a telescopic member 2, the telescopic member 2 is mounted on the base 1, the output ends of the telescopic member 2 are commonly connected with a lifting member 3, the surface of the lifting member 3 far from the base 1 is fixedly provided with a cylindrical second mounting member 6, the outer side surface of the second mounting member 6 is rotatably provided with a supporting member 7, the surface of the supporting member 7 near the base 1 is fixedly provided with a first transmission member 8, the surface of the lifting member 3 near the base 1 is fixedly provided with a rotating power member 9, the end of the output shaft of the rotating power member 9 is fixedly provided with a second transmission member 10 engaged with the first transmission member 8, the surface fixed mounting that support piece 7 kept away from base 1 has multiunit third installed part 11, the common rotation of third installed part 11 is installed multiunit rotor 12, rotor 12 both ends all pass third installed part 11 and rotor 12 one end that is close to each other all fixed mounting has movable driving part 13, lifting part 3 keeps away from base 1 surface fixed mounting has the first installed part 4 that is located in second installed part 6, the fixed driving part 5 with movable driving part 13 meshing of fixed mounting that is kept away from one end of lifting part 3 of first installed part 4, the outer surface fixed mounting of third installed part 11 has the air-collecting part 14 that distributes around rotor 12, be provided with the air supply piece 15 of fixed mounting on rotor 12 in the air-collecting part 14, air inlet port 16 has been seted up on the air-collecting part 14, air-collecting part 14 communicates through air inlet pipe 19 has section of thick bamboo type spare 18, fixed mounting has gas detection piece 20 in section of thick bamboo type spare 18.
The first transmission members 8 are distributed around the second mounting member 6 and have the same center as the second mounting member 6.
The cylinder 18 is fixedly mounted on the support 7 by means of a bracket, and a through hole is formed in the end of the cylinder 18, which is far away from the air inlet pipeline 19.
In practical application, the base 1 is pushed to move to a detection position, the base 1 is fixed through the fixing component 25, the lifting piece 3 can be driven to move up and down through the telescopic piece 2, so that air to be detected can be detected in the cylindrical piece 18, the rotary power piece 9 drives the supporting piece 7 to rotate around the second mounting piece 6 through the meshed first transmission piece 8 and second transmission piece 10 during detection, the supporting piece 7 rotates to drive the rotating piece 12 to revolve, the movable transmission piece 13 on the rotating piece 12 is meshed with the fixed transmission piece 5, so that the rotating piece 12 rotates during revolution, the air supply piece 15 is driven to rotate through the rotating piece 12, the air supply piece 15 pushes air in the air collecting piece 14 to flow into the cylindrical piece 18, and therefore the air to be detected can enter the cylindrical piece 18 through the air inlet hole 16, and is detected through the air detecting piece 20.
In one example of the present invention, the telescopic member 2 is an electric telescopic rod, of course, may be other members capable of actively performing length conversion such as an air cylinder, the lifting member 3 is a lifting plate, the lifting plate can be driven by the electric telescopic rod to perform height and angle conversion, the first mounting member 4 is a mounting post, the fixed transmission member 5 and the movable transmission member 13 are both tapered gears, the rotating member 12 is a rotating shaft, the rotating shaft can rotate while revolving through a meshed tapered gear set, the second mounting member 6 is a mounting cylinder, the supporting member 7 is a supporting plate, the first transmission member 8 is a gear ring, the rotating power member 9 is a motor, of course, may be other members capable of outputting rotating power such as a hydraulic motor, the second transmission member 10 is a gear, the motor can drive the supporting plate to rotate around the mounting cylinder through the meshed gear and the gear ring, the third mounting member 11 is a mounting plate to mount the rotating shaft through the mounting plate, the gas collecting member 14 is a gas collecting cylinder, of course, the other members capable of limiting the air flowing direction can be provided, the air supply member 15 is a fan blade, and the rotating shaft is driven by the fan blade can drive the fan blade to rotate, so that the air flowing in the air collecting cylinder can be driven.
As shown in fig. 1, as a preferred embodiment of the present invention, the telescopic members 2 are provided with a plurality of groups and the output ends thereof are rotatably connected with the lifting member 3, wherein the telescopic member 2 on one side is also rotatably connected with the base 1.
In practical application, the telescopic pieces 2 on one side of the telescopic pieces are rotatably connected with the base 1, so that the telescopic pieces 2 on two sides can extend out of different lengths, and the lifting piece 3 can form an included angle with the horizontal plane.
As shown in fig. 1 and 3, as a preferred embodiment of the present invention, the air intake holes 16 are provided with a plurality of groups and the air intake holes 16 are disposed at an angle to the air flow direction in the air collecting member 14.
The outside surface of the gas collecting piece 14 is fixedly provided with filter pieces 17 distributed around the gas collecting piece 14, and the filter pieces 17 cover the area where the gas inlet holes 16 are positioned.
In practical application, external air enters the air inlet piece 14 through the air inlet hole 16, the air entering the air collecting piece 14 can be filtered through the filter piece 17, the influence of the impurity entering in the air on the subsequent detection result is avoided, the air can flow in the air collecting piece 14 more smoothly through the angle setting of the air inlet hole 16, and the air is prevented from overflowing to the outside.
In one embodiment of the present invention, the filter 17 is a filter cartridge, and may be any other component that can cover the air intake hole 16 and filter air, such as a filter screen.
As shown in fig. 1, as a preferred embodiment of the present invention, the fixing assembly 25 includes a sliding plate 21, the sliding plate 21 is slidably mounted on the base 1 and provided with a plurality of groups, one end of the sliding plate 21 away from the base 1 is rotatably mounted with an adjusting member 22, and one end of the adjusting member 22 is fixedly provided with a ground contact member 23.
In practical application, the sliding plate 21 is pulled out from the base 1, so that the ground contact element 23 is far away from the base 1, and then the ground contact element 23 is driven to abut against the ground by the adjusting element 22, so that the contact area between the base 1 and the ground is increased, and the stability in air detection is ensured.
In an example of the present invention, the sliding plate 21 is a sliding plate, but may be any other component capable of sliding on the base 1, the ground contacting member 23 is a bottom plate, the adjusting member 22 is a threaded rod, and may be any other component capable of driving the bottom plate to move, and the threaded rod drives the bottom plate to abut against the ground, so as to increase the effective supporting area of the base 1 and the ground, and increase the stability during air detection.
Of course, the fixing assembly 25 may also be configured by a rotating plate and a jack, the rotating plate is rotatably connected with the base 1, the jack is fixedly installed at one end of the rotating plate far away from the base 1, and the jack is in contact with the ground to support the structure, which will not be described herein.
When detecting, can drive lifting part 3 through extensible member 2 and reciprocate thereby can detect the air of not co-altitude, gas collecting member 14 rotates around second installed part 6 under the drive of support piece 7, thereby make the air that gets into in the section of thick bamboo type spare 18 and detect comes from the surrounding area, thereby can detect the region that gas collecting member 14 passed, the air detection of having realized a relatively large scale, the efficiency and the accuracy of air detection have been improved, extensible member 2 stretches out and can make support piece 7 and horizontal plane formation contained angle when the length is different, the range height that gas collecting member 14 can inhale the air becomes great this moment, thereby make the height of detection area become different co-altitude from same height, the variety of detection has been realized, the result that the accessible different modes detected compares, be favorable to improving the accuracy of detection.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (3)
1. The device is characterized in that the base is provided with a gas detection assembly, the gas detection assembly comprises a telescopic piece, the telescopic piece is arranged on the base, the output ends of the telescopic pieces are connected with lifting pieces together, the surface of the lifting pieces, which are far away from the base, is fixedly provided with a second mounting piece in a barrel shape, the outer side surface of the second mounting piece is rotatably provided with a supporting piece, the surface of the supporting piece, which is close to the base, is fixedly provided with a first transmission piece, the surface of the lifting piece, which is close to the base, is fixedly provided with a rotating power piece, the tail end of an output shaft of the rotating power piece is fixedly provided with a second transmission piece meshed with the first transmission piece, the surface of the supporting piece, which is far away from the base, is fixedly provided with a plurality of groups of third mounting pieces, the third mounting pieces are jointly rotatably provided with a plurality of rotating pieces, two ends of the rotating pieces penetrate through the third mounting pieces, one ends, which are mutually close to each other, of the rotating pieces are fixedly provided with movable transmission pieces, the surface of the lifting pieces, which is far away from the base, is fixedly provided with a first mounting piece positioned in the second mounting piece, one end, which is far away from the lifting piece, is fixedly provided with a first transmission piece, which is meshed with the movable transmission piece, the second transmission piece is fixedly arranged on the surface, the second transmission piece is meshed with the third mounting piece, the air inlet piece is fixedly arranged on the inner side of the air collection piece, and the air collection piece is fixedly arranged around the drum, and the air collection piece is fixedly arranged on the drum, and connected with the air collection drum, and the air collection device is arranged in the air collection and arranged;
the first transmission members are distributed around the second mounting member and have the same center as the second mounting member;
the air inlets are provided with a plurality of groups, and an included angle is formed between each air inlet and the air flowing direction in the air collecting piece;
the outer side surface of the gas collecting piece is fixedly provided with filtering pieces distributed around the gas collecting piece, and the filtering pieces cover the area where the gas inlet holes are;
the cylinder part is fixedly arranged on the support part through the bracket, and a through hole is formed in one end, far away from the air inlet pipeline, of the cylinder part.
2. The apparatus according to claim 1, wherein the plurality of telescopic members are provided and the output ends thereof are rotatably connected to the elevating member, and wherein the telescopic member and the base on one side are rotatably connected.
3. The device for detecting gas in a tunnel according to claim 1, wherein the fixing assembly comprises a sliding plate, the sliding plate is slidably mounted on the base and provided with a plurality of groups, one end of the sliding plate away from the base is rotatably provided with an adjusting member, and one end of the adjusting member is fixedly provided with a ground contact member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111230590.3A CN114166994B (en) | 2021-10-22 | 2021-10-22 | In-tunnel gas detection device for tunnel construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111230590.3A CN114166994B (en) | 2021-10-22 | 2021-10-22 | In-tunnel gas detection device for tunnel construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114166994A CN114166994A (en) | 2022-03-11 |
| CN114166994B true CN114166994B (en) | 2024-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111230590.3A Active CN114166994B (en) | 2021-10-22 | 2021-10-22 | In-tunnel gas detection device for tunnel construction |
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| CN (1) | CN114166994B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209342677U (en) * | 2018-09-29 | 2019-09-03 | 江苏中聚检测服务有限公司 | The air detection instrument that the air in different height space is detected |
| CN210834845U (en) * | 2019-10-29 | 2020-06-23 | 青岛大首席科技有限公司 | System for detecting harmful gas in urban air |
| CN211122109U (en) * | 2019-09-18 | 2020-07-28 | 安徽亚浩智能科技有限公司 | Gas collection equipment for detecting toxic and harmful gases in tunnel |
| CN112432031A (en) * | 2020-11-13 | 2021-03-02 | 天津矿山工程有限公司 | Poisonous gas detection device in tunnel for mine engineering |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110308252B (en) * | 2019-08-13 | 2022-09-13 | 成都苏杜地质工程咨询有限公司 | Tunnel toxic and harmful gas deep hole testing device and testing method thereof |
-
2021
- 2021-10-22 CN CN202111230590.3A patent/CN114166994B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209342677U (en) * | 2018-09-29 | 2019-09-03 | 江苏中聚检测服务有限公司 | The air detection instrument that the air in different height space is detected |
| CN211122109U (en) * | 2019-09-18 | 2020-07-28 | 安徽亚浩智能科技有限公司 | Gas collection equipment for detecting toxic and harmful gases in tunnel |
| CN210834845U (en) * | 2019-10-29 | 2020-06-23 | 青岛大首席科技有限公司 | System for detecting harmful gas in urban air |
| CN112432031A (en) * | 2020-11-13 | 2021-03-02 | 天津矿山工程有限公司 | Poisonous gas detection device in tunnel for mine engineering |
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| Publication number | Publication date |
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| CN114166994A (en) | 2022-03-11 |
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