CN115453060B - Portable gas detector device for geological survey - Google Patents
Portable gas detector device for geological survey Download PDFInfo
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- CN115453060B CN115453060B CN202211113223.XA CN202211113223A CN115453060B CN 115453060 B CN115453060 B CN 115453060B CN 202211113223 A CN202211113223 A CN 202211113223A CN 115453060 B CN115453060 B CN 115453060B
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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
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- G—PHYSICS
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- 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
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Abstract
The invention discloses a portable gas detector device for geological survey, which comprises a disc and two supports integrally fixed on the surface of the disc and symmetrically distributed, wherein a detector body for detecting gas and a driving assembly for driving the detector body to move along the vertical direction are arranged below the disc. According to the invention, the driving assembly is arranged so as to drive the detector body to move downwards to the inside of the rock tunnel, and the air in the rock tunnel is detected; through setting up the gas-supply subassembly to in the gas transmission towards the detector body when the detector body moves down, make the detector body can detect the air of different degree of depth all the time, effectual detection efficiency who improves the device; through setting up the linkage subassembly to drive detector body and three-way pipe along the reciprocating motion of horizontal direction, thereby can enlarge the sampling range to the air in the karst cave, can effectively improve the accuracy of detection data.
Description
Technical Field
The invention relates to the technical field of geological survey, in particular to a portable gas detector device for geological survey.
Background
Geological exploration is understood as geological work in a broad sense, and is investigation and research work for geological conditions such as rock, stratum structure, mineral products, groundwater, landforms and the like in a certain area by applying geological exploration methods such as mapping, geophysical exploration, geochemical prospecting, drilling, pothole exploration, sampling test, geological remote sensing and the like according to requirements of economic construction, national defense construction and scientific and technical development.
The gas detector is an instrument for detecting gas leakage concentration, and comprises: portable gas detector, hand-held gas detector, stationary gas detector, on-line gas detector, etc. Gas sensors are mainly used for detecting the gas species present in the environment, and are sensors for detecting the composition and content of the gas.
At present, the volume of the existing gas detector is smaller, and a worker is often required to hold the gas detector to detect a gas sample, but in the actual geological investigation process, when the air in a rock cavity is required to be detected, the operation is difficult, and the external force is required to be used, or the worker is required to enter the rock cavity to detect.
Thus we propose a portable gas detector device for geological survey which solves the above problems.
Disclosure of Invention
The invention aims to provide a portable gas detector device for geological survey, which is characterized in that a disc is placed above a hole of a rock hole, two brackets are arranged on the edges of the hole, and a driving assembly is arranged so as to drive a detector body to move downwards into the rock hole and detect air in the rock hole; through setting up the gas-supply subassembly to in this internal gas transmission of detector when detector body moves down, make the detector body can detect the air of different degree of depth always, effectually improved the detection efficiency of device, solved when the air in the hole needs to detect, the operation just is comparatively difficult, needs to be with the help of external force, perhaps needs the staff to get into the hole in detect the problem.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a portable gas detector device for geological survey, includes the disc to and two supports that integration is fixed in the disc surface and symmetric distribution, the disc below is provided with the detector body that is used for detecting gas, and is used for driving the drive assembly that the detector body removed along vertical direction.
Preferably, the drive assembly includes the threaded rod that runs through in disc centre of a circle department and rotate with the disc and be connected, the threaded rod is driven by external driving equipment, and surface threaded connection has the backup pad, disc lower surface perpendicular is fixed with and runs through the gag lever post in the backup pad with threaded rod mutual parallel, the horizontal spacing sliding connection of detector body is in the backup pad surface.
Preferably, the disc top is provided with the gas transmission subassembly of going to the internal gas transmission of detector when the detector body moves down, the gas transmission subassembly is including the annular plate that is located the disc upper surface, disc upper surface integration is fixed with annular frame, annular plate lower surface has seted up the ring channel with annular frame adaptation, annular plate upper surface fixedly connected with two symmetric distribution's riser, two sliding connection has the sliding block between the riser, the bar groove that supplies the threaded rod to pass is seted up on the sliding block surface, and the equal perpendicular upright of sliding block both ends has the stand, the cam that is located between two stands has been cup jointed on the threaded rod top.
Preferably, the gas transmission assembly further comprises a three-way pipe fixed on the surface of the detector body, the one-way pipe is provided with a first check valve close to one end of the detector body, the other one of the three-way pipe is provided with a second check valve far away from one end of the detector body, the edge of the disc is fixedly connected with an L-shaped plate, one end of the L-shaped plate is inserted with a pipeline, the surface of the sliding block is fixedly connected with a piston rod, one end of the piston rod is fixedly connected with a piston plate capable of sliding in the pipeline, and a hose is fixedly installed between the pipeline and the three-way pipe.
Preferably, an air outlet pipe is fixedly arranged on one side, far away from the three-way pipe, of the detector body, and a one-way air outlet valve is arranged at one end of the air outlet pipe.
Preferably, a linkage assembly which drives the detector body and the three-way pipe to reciprocate along the horizontal direction to expand the sampling range while the detector body and the three-way pipe move downwards is arranged above the disc.
Preferably, the linkage assembly comprises vertical rods which are respectively and vertically fixed on the upper surfaces of the two brackets, the upper ends of the two vertical rods are respectively and telescopically inserted with a cross rod, a U-shaped frame is fixedly connected between the two cross rods, and one of the vertical rods is connected in the U-shaped frame in a sliding manner.
Preferably, one of them horizontal pole surface fixedly connected with two L poles, detector body surface fixedly connected with extends to the push rod between two L poles.
Compared with the prior art, the invention has the following beneficial effects:
1. the disc is placed above the opening of the rock tunnel, and the two supports are arranged on the edges of the opening, so that the detector body is driven to move downwards to the inside of the rock tunnel, and air in the rock tunnel is detected.
2. Through setting up the gas-supply subassembly to in this internal gas transmission of detector when detector body moves down, make the detector body can detect the air of different degree of depth all the time, effectually improved the detection efficiency of device.
3. Through setting up the linkage subassembly to drive detector body and three-way pipe along the reciprocating motion of horizontal direction, thereby can enlarge the sampling range to the air in the karst cave, can effectively improve the accuracy of detection data.
4. The inclination of riser is different, can lead to the change of horizontal pole and U-shaped frame movable range to make the movable range of detector body also change thereupon, the staff can promote the annular plate rotatory through L shaped plate piece, makes the riser rotate to preset the angle along with the annular plate, changes the horizontal migration scope of detector body, adapts to the concrete condition in the karst cave.
Drawings
FIG. 1 is a schematic diagram of a portable gas detector device for geological survey according to the present invention;
FIG. 2 is a schematic diagram of a gas delivery assembly according to the present invention;
FIG. 3 is a schematic diagram of a gas delivery assembly according to a second embodiment of the present invention;
FIG. 4 is a schematic view of the structure of the annular groove of the present invention;
FIG. 5 is a schematic view of the linkage assembly of the present invention;
FIG. 6 is a schematic view of the structure of the annular plate of the present invention after rotation.
In the figure: 1. a disc; 11. an annular frame; 2. a bracket; 3. a detector body; 4. a drive assembly; 41. a threaded rod; 42. a support plate; 43. a limit rod; 5. a gas delivery assembly; 51. an annular plate; 511. an annular groove; 52. a vertical plate; 53. a sliding block; 54. a bar-shaped groove; 55. a column; 56. a cam; 571. a three-way pipe; 572. a first check valve; 573. a second check valve; 574. l-shaped plate; 575. a pipe; 576. a piston rod; 577. a piston plate; 578. an air outlet pipe; 579. a one-way air outlet valve; 6. a linkage assembly; 61. a vertical rod; 62. a cross bar; 63. a U-shaped frame; 64. an L-shaped rod; 65. a push rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1, the present invention provides a technical solution: the utility model provides a portable gas detector device for geological survey, includes disc 1 to and two supports 2 that integration is fixed in disc 1 surface and symmetric distribution, disc 1 below is provided with and is used for detecting gaseous detector body 3, and is used for driving the drive assembly 4 that detector body 3 removed along vertical direction.
In use, the disc 1 is placed above the opening of a rock tunnel, the two supports 2 are arranged on the edges of the opening, and the driving assembly 4 is arranged so as to drive the detector body 3 to move downwards to the inside of the rock tunnel, so that the air in the rock tunnel is detected.
The driving assembly 4 comprises a threaded rod 41 penetrating through the circle center of the disc 1 and rotationally connected with the disc 1, the threaded rod 41 is driven by external driving equipment, a supporting plate 42 is in threaded connection with the surface of the threaded rod 41, a limiting rod 43 which is parallel to the threaded rod 41 and penetrates through the supporting plate 42 is vertically fixed on the lower surface of the disc 1, and the detector body 3 is transversely limited and slidingly connected with the surface of the supporting plate 42.
The external driving device is a motor.
In use, the external driving device is started to drive the threaded rod 41 to rotate, the threaded rod 41 can drive the supporting plate 42 in threaded connection with the surface of the threaded rod to move downwards, the supporting plate 42 cannot rotate along with the rotation of the threaded rod 41 due to the fact that the limiting rod 43 penetrates through the supporting plate 42, meanwhile, the supporting plate 42 can slide downwards along the limiting rod 43, and the supporting plate 42 can drive the detector body 3 to move downwards to the inside of a rock hole accordingly, so that subsequent detection work is facilitated.
Example two
Referring to fig. 2-4, for further explanation of the embodiment, a gas transmission assembly 5 for transmitting gas into the detector body 3 when the detector body 3 moves downward is disposed above the disc 1.
In use, the gas transmission assembly 5 is arranged so that gas is transmitted into the detector body 3 when the detector body 3 moves downwards, so that the detector body 3 can always detect the air with different depths, and the detection efficiency of the device is effectively improved.
The gas transmission assembly 5 comprises an annular plate 51 positioned on the upper surface of the disc 1, an annular frame 11 is integrally fixed on the upper surface of the disc 1, an annular groove 511 matched with the annular frame 11 is formed in the lower surface of the annular plate 51, two symmetrically distributed vertical plates 52 are fixedly connected to the upper surface of the annular plate 51, sliding blocks 53 are slidably connected between the two vertical plates 52, strip-shaped grooves 54 for a threaded rod 41 to pass through are formed in the surface of each sliding block 53, upright posts 55 are vertically fixed at two ends of each sliding block 53, and cams 56 positioned between the two upright posts 55 are sleeved on the top ends of the threaded rods 41.
In use, when the threaded rod 41 rotates, the cam 56 sleeved on the top end of the threaded rod can be driven to rotate, and as the cam 56 is positioned between the two upright posts 55, the cam 56 can push the two upright posts 55 when rotating, and the two upright posts 55 drive the sliding block 53 to reciprocate between the two upright plates 52.
The gas transmission assembly 5 further comprises a three-way pipe 571 fixed on the surface of the detector body 3, a one-way valve 572 is installed at one end of the three-way pipe 571 close to the detector body 3, a two-way valve 573 is installed at one end far away from the detector body 3, an L-shaped plate 574 is fixedly connected to the edge of the disc 1, a pipeline 575 is inserted into one end of the L-shaped plate 574, a piston rod 576 is fixedly connected to the surface of the sliding block 53, a piston plate 577 capable of sliding in the pipeline 575 is fixedly connected to one end of the piston rod 576, and a hose (not shown in the figure) is fixedly installed between the pipeline 575 and the three-way pipe 571.
In use, when the sliding block 53 reciprocates along the two vertical plates 52, the piston rod 576 fixed on the surface of the sliding block and the piston plate 577 fixed on one end of the piston rod 576 are driven to reciprocate therewith, and when the piston plate 577 moves away from the pipe 575, air in the rock hole can be sucked through the second check valve 573 due to the flexible pipe fixedly installed between the pipe 575 and the three-way pipe 571, and when the piston plate 577 moves toward the side close to the pipe 575, air in the three-way pipe 571 can be pushed into the detector body 3 through the first check valve 572, so that the detector body 3 can perform detection work.
An air outlet pipe 578 is fixedly arranged on one side, away from the three-way pipe 571, of the detector body 3, and a one-way air outlet valve 579 is arranged at one end of the air outlet pipe 578.
In use, the detected gas can exit through the one-way gas outlet valve 579.
Example III
Referring to fig. 5-6, in this embodiment, for further description of the second example, a linkage assembly 6 is disposed above the disc 1 to drive the detector body 3 and the tee 571 to reciprocate along the horizontal direction to expand the sampling range while moving downward.
In use, the linkage assembly 6 is arranged so as to drive the detector body 3 and the three-way pipe 571 to reciprocate along the horizontal direction, so that the sampling range of air in a rock cavity can be enlarged, and the accuracy of detection data can be effectively improved.
The linkage assembly 6 comprises vertical rods 61 which are respectively and vertically fixed on the upper surfaces of the two brackets 2, two transverse rods 62 are respectively and telescopically inserted at the upper ends of the vertical rods 61, a U-shaped frame 63 is fixedly connected between the two transverse rods 62, one of the vertical rods 55 is slidably connected in the U-shaped frame 63, two L rods 64 are fixedly connected on the surface of one of the transverse rods 62, and a push rod 65 which extends to the position between the two L rods 64 is fixedly connected on the surface of the detector body 3.
In use, in the initial state, the vertical plate 52 and the vertical rod 61 are in a mutually vertical state, and when the sliding block 53 reciprocates, the U-shaped frame 63 and the cross rod 62 are still in a static state;
the annular plate 51 is pushed to rotate by the L-shaped plate 574, the annular plate 51 drives the two vertical plates 52 fixed on the surface of the annular plate and the sliding block 53 connected between the two vertical plates 52 in a sliding way to rotate along with the annular plate, and the sliding block 53 drives the upright posts 55 fixed at the two ends of the annular plate to rotate along with the sliding block 53, so that the vertical plates 52 and the sliding block 53 are inclined;
meanwhile, when the upright post 55 reciprocates along the upright plate 52, the U-shaped frame 63 can be driven to reciprocate along the horizontal direction, the U-shaped frame 63 can drive the two cross bars 62 to reciprocate along the horizontal direction, the cross bars 62 can drive the two L rods 64 fixed on the surfaces of the cross bars to reciprocate along the horizontal direction, the L rods 64 drive the push rods 65, and the detector body 3 fixed at one end of the push rods 65 reciprocate along the horizontal direction, so that the sampling range of air in a rock cavity can be enlarged;
the different inclination of the vertical plate 52 can lead to the change of the moving range of the cross rod 62 and the U-shaped frame 63, so that the moving range of the detector body 3 is changed, and a worker can push the annular plate 51 to rotate through the L-shaped plate 574, so that the vertical plate 52 rotates to a preset angle along with the annular plate 51 to change the horizontal moving range of the detector body 3, thereby adapting to the specific situation in a rock tunnel.
Working principle: when the portable gas detector device for geological survey is used, the disc 1 is placed above the opening of a rock tunnel, and the two supports 2 are arranged on the edges of the opening, so that the threaded rod 41 and the limiting rod 43 extend into the rock tunnel;
starting external driving equipment to drive the threaded rod 41 to rotate, the threaded rod 41 can drive the supporting plate 42 which is in threaded connection with the surface of the threaded rod to move downwards, and as the limiting rod 43 penetrates through the supporting plate 42, the supporting plate 42 cannot rotate along with the rotation of the threaded rod 41, meanwhile, the supporting plate 42 can slide downwards along the limiting rod 43, and the supporting plate 42 can drive the detector body 3 to move downwards to the inside of a rock hole along with the rotation of the threaded rod 41 so as to facilitate subsequent detection work;
when the threaded rod 41 rotates, the cam 56 sleeved at the top end of the threaded rod can be driven to rotate along with the threaded rod, and as the cam 56 is positioned between the two upright posts 55, the cam 56 pushes the two upright posts 55 when rotating, and the two upright posts 55 drive the sliding block 53 to reciprocate between the two upright plates 52;
when the sliding block 53 reciprocates along the two vertical plates 52, the piston rod 576 fixed on the surface of the sliding block and the piston plate 577 fixed on one end of the piston rod 576 can be driven to reciprocate along with the sliding block, and as a hose is fixedly arranged between the pipeline 575 and the three-way pipe 571, when the piston plate 577 moves towards the side far away from the pipeline 575, air in a rock hole can be sucked through the two one-way valves 573, and when the piston plate 577 moves towards the side close to the pipeline 575, air in the three-way pipe 571 can be pushed into the detector body 3 through the first one-way valve 572 so as to facilitate detection work of the detector body 3;
in the initial state, the vertical plate 52 and the vertical rod 61 are in a mutually vertical state, and when the sliding block 53 reciprocates, the U-shaped frame 63 and the cross rod 62 are still in a static state;
the annular plate 51 is pushed to rotate by the L-shaped plate 574, the annular plate 51 drives the two vertical plates 52 fixed on the surface of the annular plate and the sliding block 53 connected between the two vertical plates 52 in a sliding way to rotate along with the annular plate, and the sliding block 53 drives the upright posts 55 fixed at the two ends of the annular plate to rotate along with the sliding block 53, so that the vertical plates 52 and the sliding block 53 are inclined;
meanwhile, when the upright post 55 reciprocates along the upright plate 52, the U-shaped frame 63 can be driven to reciprocate along the horizontal direction, the U-shaped frame 63 can drive the two cross bars 62 to reciprocate along the horizontal direction, the cross bars 62 can drive the two L rods 64 fixed on the surfaces of the cross bars to reciprocate along the horizontal direction, the L rods 64 drive the push rods 65, and the detector body 3 fixed at one end of the push rods 65 reciprocate along the horizontal direction, so that the sampling range of air in a rock cavity can be enlarged;
the different inclination of the vertical plate 52 can lead to the change of the moving range of the cross rod 62 and the U-shaped frame 63, so that the moving range of the detector body 3 is changed, and a worker can push the annular plate 51 to rotate through the L-shaped plate 574, so that the vertical plate 52 rotates to a preset angle along with the annular plate 51 to change the horizontal moving range of the detector body 3, thereby adapting to the specific situation in a rock tunnel.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. A portable gas detector device for geological survey, characterized in that: the gas detector comprises a disc (1) and two supports (2) integrally fixed on the surface of the disc (1) and symmetrically distributed, wherein a detector body (3) for detecting gas and a driving assembly (4) for driving the detector body (3) to move along the vertical direction are arranged below the disc (1);
the driving assembly (4) comprises a threaded rod (41) penetrating through the center of the disc (1) and rotationally connected with the disc (1), the threaded rod (41) is driven by external driving equipment, the surface of the threaded rod is in threaded connection with a supporting plate (42), a limiting rod (43) which is parallel to the threaded rod (41) and penetrates through the supporting plate (42) is vertically fixed on the lower surface of the disc (1), and the detector body (3) is transversely limited and slidingly connected to the surface of the supporting plate (42);
a gas transmission component (5) for transmitting gas into the detector body (3) when the detector body (3) moves downwards is arranged above the disc (1);
the gas transmission assembly (5) comprises an annular plate (51) positioned on the upper surface of a disc (1), an annular frame (11) is integrally fixed on the upper surface of the disc (1), an annular groove (511) matched with the annular frame (11) is formed in the lower surface of the annular plate (51), two symmetrically distributed vertical plates (52) are fixedly connected to the upper surface of the annular plate (51), a sliding block (53) is connected between the two vertical plates (52) in a sliding mode, a strip-shaped groove (54) for a threaded rod (41) to penetrate is formed in the surface of the sliding block (53), stand columns (55) are vertically fixed at two ends of the sliding block (53), and a cam (56) positioned between the two stand columns (55) is sleeved at the top end of the threaded rod (41);
the gas transmission assembly (5) further comprises a three-way pipe (571) fixed on the surface of the detector body (3), a first check valve (572) is arranged at one end, close to the detector body (3), of the three-way pipe (571), a second check valve (573) is arranged at one end, far away from the detector body (3), of the three-way pipe, an L-shaped plate (574) is fixedly connected to the edge of the disc (1), a pipeline (575) is spliced at one end of the L-shaped plate (574), a piston rod (576) is fixedly connected to the surface of the sliding block (53), a piston plate (577) capable of sliding in the pipeline (575) is fixedly connected to one end of the piston rod, and a hose is fixedly arranged between the pipeline (575) and the three-way pipe (571);
an air outlet pipe (578) is fixedly arranged at one side, far away from the three-way pipe (571), of the detector body (3), and a one-way air outlet valve (579) is arranged at one end of the air outlet pipe (578);
a linkage assembly (6) which drives the detector body (3) and the three-way pipe (571) to move forwards and backwards along the horizontal direction to expand the sampling range while moving downwards is arranged above the disc (1);
the linkage assembly (6) comprises vertical rods (61) which are respectively and vertically fixed on the upper surfaces of the two brackets (2), transverse rods (62) are respectively and telescopically inserted at the upper ends of the two vertical rods (61), a U-shaped frame (63) is fixedly connected between the two transverse rods (62), and one of the vertical rods (55) is connected in the U-shaped frame (63) in a sliding way;
two L rods (64) are fixedly connected to the surface of one transverse rod (62), and a push rod (65) extending to the position between the two L rods (64) is fixedly connected to the surface of the detector body (3).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211113223.XA CN115453060B (en) | 2022-09-14 | 2022-09-14 | Portable gas detector device for geological survey |
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| CN202211113223.XA CN115453060B (en) | 2022-09-14 | 2022-09-14 | Portable gas detector device for geological survey |
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| CN115453060B true CN115453060B (en) | 2023-06-09 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE60028974D1 (en) * | 2000-10-10 | 2006-08-03 | Riken Keiki Co | Portable gas sensor device and associated holder |
| CN213544500U (en) * | 2020-09-26 | 2021-06-25 | 袁丽伟 | Portable gas detector for geological survey |
| CN214750165U (en) * | 2021-05-07 | 2021-11-16 | 张璞 | Portable gas detector for geological survey |
| CN217007200U (en) * | 2022-02-09 | 2022-07-19 | 山东省地质矿产勘查开发局第八地质大队(山东省第八地质矿产勘查院) | Portable gas detector for geological survey |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10782274B2 (en) * | 2017-05-12 | 2020-09-22 | Acrulog Pty Ltd | Portable long term gas detecting and monitoring apparatus |
| 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 |
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2022
- 2022-09-14 CN CN202211113223.XA patent/CN115453060B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE60028974D1 (en) * | 2000-10-10 | 2006-08-03 | Riken Keiki Co | Portable gas sensor device and associated holder |
| CN213544500U (en) * | 2020-09-26 | 2021-06-25 | 袁丽伟 | Portable gas detector for geological survey |
| CN214750165U (en) * | 2021-05-07 | 2021-11-16 | 张璞 | Portable gas detector for geological survey |
| CN217007200U (en) * | 2022-02-09 | 2022-07-19 | 山东省地质矿产勘查开发局第八地质大队(山东省第八地质矿产勘查院) | Portable gas detector for geological survey |
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