CN113063894A - Gas detection device for underground detection - Google Patents
Gas detection device for underground detection Download PDFInfo
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- CN113063894A CN113063894A CN202110295773.7A CN202110295773A CN113063894A CN 113063894 A CN113063894 A CN 113063894A CN 202110295773 A CN202110295773 A CN 202110295773A CN 113063894 A CN113063894 A CN 113063894A
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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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Abstract
The invention discloses a gas detection device for underground detection, and relates to the technical field of gas detection. The gas detector comprises a mounting plate, wherein the surface of the mounting plate is connected with a telescopic rod, and the upper surface of the mounting plate is connected with a gas detector; the bottom of the L-shaped plate is connected with a first pulley, a traction rope is wound on the first pulley, one end of the traction rope is fixedly connected with a second pulley, and the other end of the traction rope is fixedly connected with a third pulley; a sliding rope is wound on the third pulley, one end of the sliding rope is fixed at the bottom of the L-shaped plate, and the other end of the sliding rope is connected with the second pulley in a sliding manner; the lower end of the third pulley is connected with a floating plate which is used for floating on the water surface, and the surface of the floating plate is connected with a slide bar; two ends of the two sliding rods are both connected with a probe mounting plate in a sliding manner; and a gas detection probe is arranged on the upper surface of the probe mounting plate. According to the invention, through the matching of the first pulley, the second pulley, the third pulley, the traction rope and the sliding rope, the detection efficiency is improved and the service life is prolonged.
Description
Technical Field
The invention belongs to the technical field of gas detection, and particularly relates to a gas detection device for underground detection.
Background
Currently, gas detectors for detecting toxic gases having a specific gravity greater than air are generally installed at the edge of or in a square well. When toxic gas leaks in the well mouth, the toxic gas is gathered at the bottom of the well due to the characteristic that the specific gravity of the toxic gas is greater than that of air, and at the moment, a gas detector arranged at the edge of the square well cannot effectively detect the toxic gas leakage condition; if the gas detector is installed in the square well, the defect that the gas detector cannot work normally due to the fact that the gas detector is soaked in rainwater exists.
In addition, after a period of use, the gas detector must be maintained to ensure the accuracy of its detection results. If the gas detector is installed in the well, the gas detector needs to be lifted out of the well head during maintenance, and the maintenance is very inconvenient.
Disclosure of Invention
The invention aims to provide a gas detection device for underground detection, which solves the problems that the existing gas detection device in a well is easy to be soaked by accumulated water, so that normal detection cannot be realized and the service life is shortened by arranging a mounting plate and a floating plate and utilizing the matching of a first pulley, a second pulley, a third pulley, a traction rope and a sliding rope.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a gas detection device for underground detection, which comprises a mounting plate, wherein telescopic rods are fixedly connected to the surface of the mounting plate side by side, a gas detector is fixedly connected to the upper surface of the mounting plate, fixed ends of the two telescopic rods are fixedly connected with a first fixing plate, and telescopic ends of the two telescopic rods are slidably connected with a second fixing plate; the bottom of the L-shaped plate is connected with a first pulley through a fixed seat, a traction rope is wound on the first pulley, one end of the traction rope wound around the first pulley is fixedly connected with a second pulley, and the other end of the traction rope penetrates through the mounting plate and is fixedly connected with a third pulley; a sliding rope is wound on the third pulley, one end of the sliding rope penetrates through the mounting plate and is fixed at the bottom of the L-shaped plate, and the other end of the sliding rope penetrates through the mounting plate and is in sliding connection with the second pulley; the lower end of the third pulley is fixedly connected with a floating plate used for floating on the water surface through a fixed seat, one opposite side surface of the floating plate is connected with a first floating body, and the surfaces of the floating plates are fixedly connected with sliding rods side by side; two ends of the two sliding rods are both connected with a probe mounting plate in a sliding manner; and a gas detection probe is arranged on the upper surface of the probe mounting plate.
Furthermore, the shape and the size of first fixed plate and second fixed plate are unanimous, and a plurality of fixed orificess that are used for the fixed wall of a well have all been seted up to the upper surface.
Furthermore, the first fixing plate and the second fixing plate are both arc-shaped bent plate structures, and fan-shaped annular plates are fixedly connected to the side faces of the first fixing plate and the second fixing plate.
Further, the inside wall of L template rotates and is connected with the reel, and the slip rope passes the winding of second pulley on the reel.
Further, the outer side wall of the L-shaped plate corresponding to the winding drum is fixedly connected with a crank.
Further, the outer side wall of the L-shaped plate corresponding to the winding drum is fixedly connected with a winding motor.
Furthermore, a spring is sleeved on the peripheral side surface of the sliding rod.
Furthermore, a liquid level sensor is arranged on the upper surface of the floating plate, and the height of the liquid level sensor is not higher than that of the gas detection probe.
Furthermore, the opposite side surfaces of the probe mounting plate are connected with second floating bodies; the upper surface of the probe mounting plate is fixedly connected with a coaming relative to the peripheral side surface of the gas detection probe.
The invention has the following beneficial effects:
1. the invention is provided with the mounting plate and the floating plate, and the floating plate and the probe mounting plate can float on accumulated water when the accumulated water rises by utilizing the matching of the first pulley, the second pulley, the third pulley, the traction rope and the sliding rope, so that the situation that the detection probe is soaked by the accumulated water is effectively avoided, meanwhile, the detection effect under the condition of the accumulated water is not influenced, the detection efficiency and the service life are improved, and the position of the floating plate can be flexibly set according to the specific height or the accumulated water depth in the well.
2. According to the invention, the liquid level sensor is arranged, so that when accumulated water overflows the liquid level sensor too deeply, an alarm is given, the crank or the motor is started to drive the reel, the floating plate is pulled up, the protection of the detection probe is further improved, and the service life of the detection probe is effectively prolonged.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a gas detection device for downhole detection according to the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 2;
FIG. 4 is a partial view taken at A in FIG. 3;
FIG. 5 is a cross-sectional view taken along A-A of FIG. 2;
in the drawings, the components represented by the respective reference numerals are listed below:
the device comprises a 1-mounting plate, a 2-gas detector, a 3-L-shaped plate, a 4-floating plate, a 5-probe mounting plate, a 6-winding drum, a 101-telescopic rod, a 102-first fixing plate, a 103-second fixing plate, a 104-fixing hole, a 105-fan-shaped plate, a 301-first pulley, a 302-traction rope, a 303-second pulley, a 304-third pulley, a 305-sliding rope, a 401-sliding rod, a 402-spring, a 403-liquid level sensor, a 404-first floating body, a 501-gas detection probe, a 502-second floating body and a 503-enclosing plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
In the description of the present invention, it is to be understood that the terms "open," "upper," "lower," "surface," "top," "middle," "height," "inner," "around," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
Example one
Referring to fig. 1 and 2, the invention relates to a gas detection device for underground detection, which comprises a mounting plate 1, wherein telescopic rods 101 are fixedly connected to the surface of the mounting plate 1 side by side, the mounting plate 1 is fixed at the fixed ends of the telescopic rods 101, so that the mounting plate 1 cannot rotate when the telescopic ends 101 are tightly attached to a well wall, a sliding sleeve for fastening is arranged between the telescopic ends and the fixed ends of the telescopic rods 101, a gas detector 2 is fixedly connected to the upper surface of the mounting plate 1, the fixed ends of the two telescopic rods 101 are fixedly connected with a first fixing plate 102, and the telescopic ends of the two telescopic rods 101 are slidably connected with a second fixing plate 103; the first fixing plate 102 and the second fixing plate 103 are consistent in shape and size, a plurality of fixing holes 104 for fixing a well wall are formed in the upper surfaces of the first fixing plate and the second fixing plate, and the first fixing plate and the second fixing plate can be fixed on the well wall through screws during installation; first fixed plate 102 and second fixed plate 103 are arc bent plate structure, and the laminating that the arc bent plate structure can be better is at the wall of a well, first fixed plate 102 and second fixed plate 103 equal fixedly connected with fan ring shaped plate 105 in side, but fan ring shaped plate 101 block improves the fixed stability to mounting panel 1 at the well head.
Referring to fig. 3, the bottom of the L-shaped plate 3 is connected with a first pulley 301 through a fixed seat, a traction rope 302 is wound on the first pulley 301, one end of the traction rope 302 wound around the first pulley 301 is fixedly connected with a second pulley 303, and the other end of the traction rope 302 penetrates through the mounting plate 1 and is fixedly connected with a third pulley 304; a sliding rope 305 is wound on the third pulley 304, one end of the sliding rope 305 passes through the mounting plate 1 and is fixed at the bottom of the L-shaped plate 3, and the other end of the sliding rope 305 passes through the mounting plate 1 and is connected with the second pulley 303 in a sliding manner; the inside wall of L template 3 rotates and is connected with reel 6, and slip rope 305 passes second pulley 303 and twines on reel 6, and L template 3 and the corresponding lateral wall fixedly connected with crank of reel 6.
Referring to fig. 4, the lower end of the third pulley 304 is fixedly connected with a floating plate 4 for floating on the water surface through a fixed seat, one opposite side surface of the floating plate 4 is connected with a first floating body 404, and the surface of the floating plate 4 is fixedly connected with a sliding rod 401 side by side; two ends of the two sliding rods 401 are both connected with a probe mounting plate 5 in a sliding manner; the probe mounting plate 5 can be welded with two sliding sleeves, the sliding sleeves are in clearance fit with the sliding rod 401, and the end part of the sliding rod 401 is fixedly connected with a limiting block to prevent the probe mounting plate 5 from slipping off the sliding rod 401; the upper surface of the probe mounting plate 5 is provided with a gas detection probe 501, and the gas detection probe 501 is electrically connected with the gas detector 2 through a cable.
Preferably, the sliding rod 401 is sleeved with a spring 402 on the peripheral side, the spring 402 can play a buffering effect, and the probe mounting plate 5 can be kept away from the floating plate 4, so that the detection area is increased.
Referring to fig. 5, a liquid level sensor 403 is disposed on the upper surface of the floating plate 4, the liquid level sensor 403 is a photoelectric liquid sensor, the height of the liquid level sensor 403 is not higher than the height of the gas detection probe 501, and when the water level is too deep and the liquid level sensor 403 gives an alarm, the gas detection probe 501 is not submerged.
Preferably, a second floating body 502 is connected to one opposite side of the probe mounting plate 5; the circumference side face fixedly connected with bounding wall 503 of the relative gas detection probe 501 of probe mounting panel 5 upper surface, wherein, first body 404 and second body 502 can be inclosed plastics box or rectangle foam, and bounding wall 503 can effectually prevent that ponding in the pit from spattering on gas detection probe 501, increases the protective effect to gas detection probe 501.
Example two
The only difference from the examples is: the outer side wall of the L-shaped plate 3 corresponding to the winding drum 6 is fixedly connected with a winding motor.
One specific application of this embodiment is: when water is accumulated, the floating plate 4 and the probe mounting plate 5 can float on the water surface to continue detection; when the accumulated water is too deep, the floating plate 4 and the probe mounting plate 5 float upwards, when the water surface overflows to the position of the liquid level sensor 403, the liquid level sensor 403 gives an alarm, at the moment, the handle is manually shaken or the motor is started, the sliding rope 305 is wound and twisted by the winding drum 6, the sliding rope 305 pulls and pulls the second pulley 303 to move downwards, at the moment, the traction rope 302 pulls downwards to drive the third pulley 304 to move upwards under the traction of the sliding rope 305 and the traction rope 302, so that the floating plate 4 is contracted, the erosion of the accumulated water to the floating plate 4 and components thereof is reduced, and the service life of the floating plate 4 is prolonged;
through the matching of the first pulley 301, the second pulley 303 and the third pulley 304, the position of the floating plate 4 can be flexibly set according to the specific height or the accumulated water depth in the well; after accumulated water is cooled down, the floating plate 4 can be put down by manually shaking the handle or starting the motor, and gas detection operation is continued.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (9)
1. A gas detection device for downhole detection, comprising a mounting plate (1), characterized in that: the surface of the mounting plate (1) is fixedly connected with telescopic rods (101) side by side, the upper surface of the mounting plate (1) is fixedly connected with a gas detector (2), the fixed ends of the two telescopic rods (101) are fixedly connected with a first fixing plate (102), and the telescopic ends of the two telescopic rods (101) are slidably connected with a second fixing plate (103);
the bottom of the L-shaped plate (3) is connected with a first pulley (301) through a fixed seat, a traction rope (302) is wound on the first pulley (301), one end, wound around the first pulley (301), of the traction rope (302) is fixedly connected with a second pulley (303), and the other end of the traction rope (302) penetrates through the mounting plate (1) and is fixedly connected with a third pulley (304);
a sliding rope (305) is wound on the third pulley (304), one end of the sliding rope (305) penetrates through the mounting plate (1) and is fixed at the bottom of the L-shaped plate (3), and the other end of the sliding rope (305) penetrates through the mounting plate (1) and is connected with the second pulley (303) in a sliding manner;
the lower end of the third pulley (304) is fixedly connected with a floating plate (4) which is used for floating on the water surface through a fixed seat, one opposite side surface of the floating plate (4) is connected with a first floating body (404), and the surface of the floating plate (4) is fixedly connected with sliding rods (401) side by side; two ends of the two sliding rods (401) are both connected with a probe mounting plate (5) in a sliding manner; and a gas detection probe (501) is arranged on the upper surface of the probe mounting plate (5).
2. The gas detection device for downhole detection according to claim 1, wherein the first fixing plate (102) and the second fixing plate (103) have the same shape and size, and the upper surfaces of the first fixing plate and the second fixing plate are provided with a plurality of fixing holes (104) for fixing the well wall.
3. The gas detection device for downhole detection according to claim 1 or 2, wherein the first fixing plate (102) and the second fixing plate (103) are both arc-shaped bent plate structures, and fan-shaped annular plates (105) are fixedly connected to the side surfaces of the first fixing plate (102) and the second fixing plate (103).
4. A gas detection device for downhole detection according to claim 1, wherein the inner side wall of the L-shaped plate (3) is rotatably connected with a winding drum (6), and the sliding rope (305) is wound on the winding drum (6) through the second pulley (303).
5. A gas detection device for downhole detection according to claim 4, wherein a crank is fixedly connected to the outer side wall of the L-shaped plate (3) corresponding to the winding drum (6).
6. The gas detection device for underground detection according to claim 4, wherein the outer side wall of the L-shaped plate (3) corresponding to the winding drum (6) is fixedly connected with a winding motor.
7. A gas detection device for downhole detection according to claim 1, wherein the sliding rod (401) is circumferentially sleeved with a spring (402).
8. A gas detection device for downhole detection according to claim 1 or 7, wherein the upper surface of the floating plate (4) is provided with a liquid level sensor (403), and the height of the liquid level sensor (403) is not higher than the height of the gas detection probe (501).
9. A gas detection apparatus for downhole testing according to claim 8, wherein a second float (502) is attached to each of opposite sides of the probe mounting plate (5); the upper surface of the probe mounting plate (5) is fixedly connected with a coaming (503) relative to the peripheral side surface of the gas detection probe (501).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110295773.7A CN113063894A (en) | 2021-03-19 | 2021-03-19 | Gas detection device for underground detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110295773.7A CN113063894A (en) | 2021-03-19 | 2021-03-19 | Gas detection device for underground detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113063894A true CN113063894A (en) | 2021-07-02 |
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ID=76562365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110295773.7A Withdrawn CN113063894A (en) | 2021-03-19 | 2021-03-19 | Gas detection device for underground detection |
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| Country | Link |
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| CN (1) | CN113063894A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113957929A (en) * | 2021-11-03 | 2022-01-21 | 黑龙江大学 | Municipal pipe network intelligence well lid |
-
2021
- 2021-03-19 CN CN202110295773.7A patent/CN113063894A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113957929A (en) * | 2021-11-03 | 2022-01-21 | 黑龙江大学 | Municipal pipe network intelligence well lid |
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Application publication date: 20210702 |