CN111578155B - Gas leakage detection device based on noise - Google Patents
Gas leakage detection device based on noise Download PDFInfo
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- CN111578155B CN111578155B CN202010465187.8A CN202010465187A CN111578155B CN 111578155 B CN111578155 B CN 111578155B CN 202010465187 A CN202010465187 A CN 202010465187A CN 111578155 B CN111578155 B CN 111578155B
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- gear
- clamping jaw
- storage bag
- pipeline
- cylinder
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
- F17D5/06—Preventing, monitoring, or locating loss using electric or acoustic means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
Abstract
The utility model provides a gas leakage detection device based on noise, including first clamping jaw, the second clamping jaw, first gear train and second gear train, it is first, the second clamping jaw is used for cliping the pipeline and the inboard is equipped with the drive wheel and is used for detecting the probe of noise, it is first, the coaxial and first clamping jaw fixed connection of second gear, it is third, the coaxial and second clamping jaw fixed connection of fourth gear, be equipped with the drive first clamping jaw on the second clamping jaw and wind second or fourth gear pivoted actuating mechanism, it is first, the second, third and fourth gear are deformation gear, deformation gear includes the cylindricality section of thick bamboo, annular reservoir and a plurality of dogtooth, reservoir and first pipeline intercommunication in the first gear train, reservoir and second pipeline intercommunication in the second gear train, first pipeline and second pipeline all communicate with liquid pumping installations. The bifurcated pipe can be rotated from the original pipeline without manually taking down the device and then fixing the device on the bifurcated pipeline.
Description
Technical Field
The invention relates to the technical field of gas leakage detection, in particular to a noise-based gas leakage detection device.
Background
In the gas leakage detection of the pipeline, the noise of the pipeline is detected, and the gas leakage condition can be judged after the noise is analyzed. The current gaseous leakage detection based on noise is to fix the probe on the clamping jaw, and drive wheel drive arrangement on the clamping jaw detects the pipeline along the pipeline motion, but can only detect on sharp pipeline, if there is the branching mouth of T shape in the pipeline, need take off detection device after again fixed to another branching pipeline, to the pipeline of eminence, need climb to the high altitude and operate, increased the operation risk.
Disclosure of Invention
In view of the above-mentioned prior art, the present invention provides a noise-based gas leakage detection device, which can rotate a bifurcated pipe from an original pipeline without manually removing the device and then fixing the device to the bifurcated pipe.
The technical scheme of the invention is realized as follows:
a noise-based gas leakage detection device comprises a first clamping jaw, a second clamping jaw, a first gear set and a second gear set, wherein the first clamping jaw and the second clamping jaw are used for clamping a pipeline, a driving wheel and a probe used for detecting noise are arranged on the inner side of the first clamping jaw and the second clamping jaw, the transmission ratio of the first gear set is 1:3, the transmission ratio of the second gear set is 2:3, the first gear set comprises a first gear and a third gear, the second gear set comprises a second gear and a fourth gear, the first gear and the second gear are coaxial and fixedly connected with the first clamping jaw, the third gear and the fourth gear are coaxial and fixedly connected with the second clamping jaw, a driving mechanism used for driving the first clamping jaw to rotate around the second gear or the fourth gear is arranged on the second clamping jaw, the first gear, the second gear, the third gear and the fourth gear are deformation gears, the deformation gears comprise cylindrical barrels, annular liquid storage bags and a plurality of convex teeth, annular liquid storage bag is fixed the outer wall of a cylindricality section of thick bamboo, and is a plurality of the dogtooth is equidistant to be fixed the lateral wall of annular liquid storage bag, liquid storage bag and first pipeline intercommunication in the first gear train, liquid storage bag and second pipeline intercommunication in the second gear train, first pipeline and second pipeline all communicate with liquid pumping device.
Further, the gear ratio of the first gear to the third gear is 1:3, and the gear ratio of the second gear to the fourth gear is 3: 2.
Further, the first gear is meshed with the third gear, and the fourth gear is meshed with the second gear.
Further, actuating mechanism includes first motor, first pivot and second pivot, first motor is fixed on the third gear, first pivot and first, second gear rotation are connected and coaxial, and second pivot and third, fourth gear rotation are connected and coaxial, the output shaft and the second pivot fixed connection of first motor, dwang fixed connection is passed through in first pivot and second pivot.
Furthermore, the liquid pumping device comprises a first water storage bag, a second water storage bag, a first cylinder barrel, a second cylinder barrel, a first piston, a second piston, a connecting rod and a second motor, wherein the first cylinder barrel and the second cylinder barrel are arranged oppositely, the first water storage bag is arranged in the first cylinder barrel, the second water storage bag is arranged in the second cylinder barrel, the first cylinder barrel is provided with the first piston used for extruding the first water storage bag, the second cylinder barrel is internally provided with the second piston used for extruding the second water storage bag, the first piston is connected with the second piston through the connecting rod, and the second motor drives the connecting rod to reciprocate through the worm and worm bar transmission.
Furthermore, the first cylinder, the second cylinder and the second motor are fixed on a third gear.
Furthermore, the connecting rod is provided with a worm female bar, and an output shaft of the second motor is provided with a first worm.
Furthermore, first clamping jaw, second clamping jaw all include C shape sleeve and C shape slide bar, the C shape slide bar is followed C shape sleeve slides, the lateral wall of C shape slide bar is equipped with the worm wheel, be fixed with the third motor on the sleeve, the output shaft of third motor be equipped with worm wheel meshed's second worm.
The invention has the beneficial effects that: the first gear, the second gear, the third gear and the fourth gear are all deformation gears, and the meshing condition of the gears is adjusted by changing the diameter. The annular liquid storage bag is fixed on the outer wall of the cylindrical barrel, the plurality of convex teeth are fixed on the outer side wall of the annular liquid storage bag at equal intervals, the annular liquid storage bag can be tightly expanded by filling liquid into the annular liquid storage bag, so that the meshing condition of the first gear set and the second gear set is changed, the liquid storage bag in the first gear set is communicated with the first pipeline, the liquid storage bag in the second gear set is communicated with the second pipeline, the first pipeline and the second pipeline are communicated with the liquid pumping device, when the liquid pumping device conveys liquid to the first pipeline, the annular liquid storage bags of the first gear and the third gear are tightly expanded, the convex teeth of the first gear set are meshed, the mutual transmission state is achieved, and otherwise, when the liquid pumping device releases the liquid in the first pipeline, the mutual transmission state is eliminated. In a similar way, when the liquid pumping device conveys liquid to the second pipeline, the annular liquid storage bags of the second gear and the fourth gear are tightened and expanded, so that the convex teeth of the second gear set are meshed to achieve a mutual transmission state, and on the contrary, when the liquid pumping device releases the liquid in the second pipeline, the mutual transmission state is eliminated. When the second clamping jaw rotates upwards from the horizontal state to the vertical state, the first gear is not meshed with the third gear, the second gear is meshed with the fourth gear, the speed of the second clamping jaw when revolving around the first gear and the second gear is determined by the transmission ratio of the second gear to the fourth gear, and the second clamping jaw rotates 270 degrees when revolving 180 degrees around the fourth gear due to the fact that the gear ratio of the second gear to the fourth gear is 3:2, so that the rotated second clamping jaw is changed from the horizontal direction to the vertical direction. Similarly, when the first clamping jaw is rotated from the horizontal state to the vertical state after the second clamping jaw is in the vertical state, the second gear is not meshed with the fourth gear, the first gear is meshed with the third gear, and the first gear rotates 270 degrees when revolving 90 degrees due to the fact that the gear ratio of the first gear to the third gear is 1:3, so that the rotated first clamping jaw is changed from the horizontal direction to the vertical direction. The first gear and the second gear are coaxial and fixedly connected with the first clamping jaw, and the third gear and the fourth gear are coaxial and fixedly connected with the second clamping jaw, so that the distance between the first clamping jaw and the second clamping jaw is kept constant in the rotating process, and the meshing stability of the gears is ensured.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be 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 preferred embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a perspective view of a noise-based gas leak detection device of the present invention;
FIG. 2 is a cross-sectional view of a noise-based gas leak detection apparatus of the present invention;
FIG. 3 is a cross-sectional view of a deformed gear of the present invention;
FIG. 4 is a schematic view of the deformable gear of the present invention coupled to a fluid pumping device;
FIG. 5 is a diagram illustrating a variation of a noise-based gas leak detection apparatus according to the present invention;
in the figure, 1 a first clamping jaw, 2 a second clamping jaw, 3 a driving wheel, 4 probes, 5 a first gear, 6 a third gear, 7 a second gear, 8 a fourth gear, 9 a driving mechanism, 10 a cylindrical barrel, 11 an annular liquid storage bag, 12 convex teeth, 13 a first pipeline, 14 a second pipeline, 15 a liquid pumping device, 16 a first motor, 17 a first rotating shaft, 18 a second rotating shaft, 19 a rotating rod, 20 a first water storage bag, 21 a second water storage bag, 22 a first cylinder barrel, 23 a second cylinder barrel, 24 a first piston, 25 a second piston, 26 a connecting rod, 27 a second motor, 28 a worm-nut bar, 29 a first worm, 30 a C-shaped sleeve, 31 a C-shaped sliding rod, 32 a second worm, 33 a worm wheel and 34 a third motor.
Detailed Description
In order to better understand the technical content of the invention, specific embodiments are provided below, and the invention is further described with reference to the accompanying drawings.
Referring to fig. 1 to 5, a noise-based gas leakage detection device comprises a first clamping jaw 1, a second clamping jaw 2, a first gear set and a second gear set, wherein the first clamping jaw 1 and the second clamping jaw 2 are used for clamping a pipeline, a driving wheel 3 and a probe 4 for detecting noise are arranged on the inner sides of the first clamping jaw 1 and the second clamping jaw 2, the transmission ratio of the first gear set is 1:3, the transmission ratio of the second gear set is 2:3, the first gear set comprises a first gear 5 and a third gear 6 which are meshed with each other, the second gear set comprises a second gear 7 and a fourth gear 8 which are meshed with each other, the first gear 5 and the second gear 7 are coaxial and are fixedly connected with the first clamping jaw 1, the third gear 6 and the fourth gear 8 are coaxial and are fixedly connected with the second clamping jaw 2, a driving mechanism 9 for driving the first clamping jaw 1 to rotate around the second gear 7 or the fourth gear 8 is arranged on the second clamping jaw 2, first gear 5, second gear 7, third gear 6 and fourth gear 8 are deformation gears, deformation gears includes a cylindricality section of thick bamboo 10, annular reservoir 11 and a plurality of dogtooth 12, annular reservoir 11 is fixed the outer wall of a cylindricality section of thick bamboo 10, it is a plurality of dogtooth 12 is equidistant to be fixed annular reservoir 11's lateral wall, reservoir and first pipeline 13 intercommunication in the first gear train, reservoir and second pipeline 14 intercommunication in the second gear train, first pipeline 13 and second pipeline 14 all communicate with liquid pumping device 15.
The first clamping jaw 1 and the second clamping jaw 2 are C-shaped, and the pipeline is clamped by the first clamping jaw 1 and the second clamping jaw 2. The inner sides of the first jaw 1 and the second jaw 2 are provided with a driving wheel 3, the driving wheel 3 is in contact with the pipeline, and the driving wheel 3 is used for driving the first jaw 1 and the second jaw 2 to move along the pipeline. Be equipped with probe 4 in first clamping jaw 1 and the second clamping jaw 2, probe 4 is used for detecting the noise that gas leakage produced, exports to the host computer through probe 4 and carries out the analysis, and then judges the leakage condition of pipeline.
The second clamping jaw 2 is provided with a driving mechanism 9 for driving the first clamping jaw 1 to rotate around the second gear 7 or the fourth gear 8, when the first clamping jaw 1 and the second clamping jaw 2 move to a T-shaped bifurcation of a pipeline, the first clamping jaw 1 keeps a clamping state on the pipeline, the second clamping jaw 2 releases the pipeline, and then the driving mechanism 9 drives the second clamping jaw 2 to rotate around the first gear 5 and the second gear 7. The second clamping jaw 2 rotates upwards from the lower end in a counterclockwise direction to close to a horizontal pipeline of the T-shaped bifurcation and clamps, the second gear 7 is meshed with the fourth gear 8, the fourth gear 8 also rotates when the fourth gear 8 revolves around the second gear 7, the transmission ratio of the second gear set is 2:3, specifically, the gear ratio of the second gear 7 to the fourth gear 8 is 3:2, and the fourth gear 8 rotates 270 degrees when revolves for 180 degrees, so that the rotated second clamping jaw 2 changes from the horizontal direction to the vertical direction.
The first gear set comprises a first gear 5 and a third gear 6, the second gear set comprises a second gear 7 and a fourth gear 8, specifically, the first gear 5 is meshed with the third gear 6, and the fourth gear 8 is meshed with the second gear 7. The first gear 5, the second gear 7, the third gear 6 and the fourth gear 8 are all deformation gears, and the meshing condition of the gears is adjusted by changing the diameters. Specifically, the deformation gear comprises a cylindrical barrel 10, an annular liquid storage bag 11 and a plurality of convex teeth 12, the annular liquid storage bag 11 is fixed on the outer wall of the cylindrical barrel 10, the convex teeth 12 are fixed on the outer side wall of the annular liquid storage bag 11 at equal intervals, the annular liquid storage bag 11 can be tightened and expanded by filling liquid into the annular liquid storage bag 11, so that the meshing condition of a first gear set and a second gear set is changed, specifically, the liquid storage bag in the first gear set is communicated with a first pipeline 13, the liquid storage bag in the second gear set is communicated with a second pipeline 14, the first pipeline 13 and the second pipeline 14 are both communicated with a liquid pumping device 15, when the liquid pumping device 15 conveys liquid to the first pipeline 13, the annular liquid storage bag 11 of the first gear 5 and the annular liquid storage bag 11 of the third gear 6 are tightened and expanded, so that the convex teeth 12 of the first gear set are meshed, an inter-driving condition is reached, whereas the inter-driving condition is eliminated when the fluid pumping device 15 releases the fluid in the first conduit 13. Similarly, when the liquid pumping device 15 delivers liquid to the second pipe 14, the annular reservoir 11 of the second gear 7 and the annular reservoir 11 of the fourth gear 8 are tightened and expanded, so that the convex teeth 12 of the second gear set are engaged to achieve a mutual transmission state, and conversely, when the liquid pumping device 15 releases the liquid in the second pipe 14, the mutual transmission state is eliminated.
When the second jaw 2 rotates upward from the horizontal state to the vertical state, the first gear 5 is not meshed with the third gear 6, the second gear 7 is meshed with the fourth gear 8, the speed of the second jaw 2 rotating while revolving around the first gear 5 and the second gear 7 depends on the transmission ratio of the second gear 7 to the fourth gear 8, and the second jaw 2 rotates 270 degrees while revolving 180 degrees around the fourth gear 8 due to the gear ratio of the second gear 7 to the fourth gear 8 being 3:2, so that the rotated second jaw 2 changes from the horizontal direction to the vertical upward direction. Similarly, when the first clamping jaw 1 is rotated from the horizontal state to the vertical state after the second clamping jaw 2 is in the vertical state, the second gear 7 is not meshed with the fourth gear 8, the first gear 5 is meshed with the third gear 6, and the rotated first clamping jaw 1 is changed from the horizontal direction to the vertical direction due to the fact that the gear ratio of the first gear 5 to the third gear 6 is 1:3, specifically, the gear ratio of the first gear 5 to the third gear 6 is 1:3, and the first clamping jaw rotates 270 degrees when the first gear 5 revolves 90 degrees. The first gear 5 and the second gear 7 are coaxial and fixedly connected with the first clamping jaw 1, and the third gear 8 and the fourth gear 8 are coaxial and fixedly connected with the second clamping jaw 2, so that the distance between the first clamping jaw 1 and the second clamping jaw is kept constant in the rotating process, and the meshing stability of the gears is ensured.
Specifically, actuating mechanism 9 includes first motor 16, first pivot 17 and second pivot 18, first motor 16 is fixed on third gear 6, first pivot 17 rotates with first gear 5, second gear 7 and connects and coaxial, and second pivot 18 rotates with third gear 6, fourth gear 8 and connects and coaxial, first motor 16's output shaft and 18 fixed connection of second pivot, first pivot 17 and second pivot 18 are through dwang 19 fixed connection. The first motor 16 rotates to drive the second rotating shaft 18 to rotate, and the second rotating shaft 18 rotates through the rotating rod 19 to drive the first rotating shaft 17 to rotate when the first motor 16 rotates. With the first jaw 1 fixed, the first motor 16 rotates so that the rotating rod 19 rotates, thereby causing the third gear 6 to revolve around the fourth gear 8. With the second jaw 2 fixed, the rotation of the first motor 16 causes the rotation of the rod 19, which, under the action of the reaction force, causes the first gear wheel 5 to revolve around the second gear wheel 7.
Specifically, the liquid pumping device 15 includes a first water storage bag 20, a second water storage bag 21, a first cylinder 22, a second cylinder 23, a first piston 24, a second piston 25, a connecting rod 26 and a second motor 27, the first cylinder 22 and the second cylinder 23 are oppositely disposed, the first water storage bag 20 is disposed in the first cylinder 22, the second water storage bag 21 is disposed in the second cylinder 23, the first cylinder 22 is provided with the first piston 24 for extruding the first water storage bag 20, the second cylinder 23 is provided with the second piston 25 for extruding the second water storage bag 21, the first piston 24 is connected with the second piston 25 through the connecting rod 26, and the second motor 27 drives the connecting rod 26 to reciprocate through worm and worm bar transmission. When the first reservoir 20 is squeezed, the liquid is squeezed towards the first pipe 13, so that the first gear 5 and the third gear 6 in the first gear set are engaged, and when the first reservoir 20 is released, the liquid flows back into the first reservoir 20, and the first gear 5 is not engaged with the second gear 7. When the second reservoir 21 is squeezed, liquid is squeezed towards the second pipe 14, so that the second gear 7 and the third gear 6 in the second gear set mesh, and when the second reservoir 21 is released, liquid flows back into the second reservoir 21, and the second gear 7 does not mesh with the fourth gear 8. The first water storage bag 20 is arranged in the first cylinder 22, the first cylinder 22 is provided with a first piston 24 used for extruding the first water storage bag 20, the first piston 24 is connected with the connecting rod 26, the second motor 27 drives the connecting rod 26 to reciprocate through the worm and worm bar, so that the first water storage bag 20 is extruded or released, the worm and worm bar 28 is utilized for transmission, the self-locking effect can be achieved, and meanwhile, labor is saved. Since the first cylinder 22 and the second cylinder 23 are disposed opposite to each other, i.e., the opening of the first cylinder 22 faces the opening of the second cylinder 23, and the first piston 24 is connected to the second piston 25 via the connecting rod 26, the second reservoir bag 21 is released when the first reservoir bag 20 is pressed, and the first reservoir bag 20 is released when the second reservoir bag 21 is pressed, thereby preventing the first gear set and the second gear set from being synchronously meshed.
Optionally, the first cylinder 22, the second cylinder 23 and the second motor 27 are fixed on the third gear 6. The length of the pipeline is shortened.
Specifically, the connecting rod 26 is provided with a worm bar 28, and an output shaft of the second motor 27 is provided with a first worm 29.
Specifically, the first clamping jaw 1 and the second clamping jaw 2 both comprise a C-shaped sleeve 30 and a C-shaped sliding rod 31, the C-shaped sliding rod 31 slides along the C-shaped sleeve 30, a worm wheel 33 is arranged on the outer side wall of the C-shaped sliding rod 31, a third motor 34 is fixed on the sleeve, and a second worm 32 meshed with the worm wheel 33 is arranged on an output shaft of the third motor 34. The radius of the C-shaped sliding rod 31 is the same as that of the C-shaped sleeve 30, so that the C-shaped sliding rod 31 can slide along the C-shaped sleeve 30, a worm wheel 33 is arranged on the outer side wall of the C-shaped sliding rod 31, an output shaft of the third motor 34 is provided with a second worm 32, the C-shaped sliding rod 31 can be pushed to extend or be stored when the third motor 34 rotates, labor can be saved through worm wheel and worm transmission, and the C-shaped sliding rod 31 can be prevented from retracting.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A noise-based gas leakage detection device is characterized by comprising a first clamping jaw, a second clamping jaw, a first gear set and a second gear set, wherein the first clamping jaw and the second clamping jaw are used for clamping a pipeline, a driving wheel and a probe used for detecting noise are arranged on the inner sides of the first clamping jaw and the second clamping jaw, the transmission ratio of the first gear set is 1:3, the transmission ratio of the second gear set is 2:3, the first gear set comprises a first gear and a third gear, the second gear set comprises a second gear and a fourth gear, the first gear and the second gear are coaxial and fixedly connected with the first clamping jaw, the third gear and the fourth gear are coaxial and fixedly connected with the second clamping jaw, a driving mechanism used for driving the first clamping jaw to rotate around the second gear or the fourth gear is arranged on the second clamping jaw, the first gear, the second gear, the third gear and the fourth gear are deformation gears, and the deformation gear comprises a cylindrical barrel, Annular liquid storage bag and a plurality of dogtooth, the annular liquid storage bag is fixed the outer wall of a cylindricality section of thick bamboo, it is a plurality of the dogtooth is equidistant to be fixed the lateral wall of annular liquid storage bag, liquid storage bag and first pipeline intercommunication in the first gear train, liquid storage bag and second pipeline intercommunication in the second gear train, first pipeline and second pipeline all communicate with liquid pumping device.
2. The noise-based gas leak detection apparatus according to claim 1, wherein a gear ratio of the first gear and the third gear is 1:3, and a gear ratio of the second gear and the fourth gear is 3: 2.
3. The noise-based gas leak detection apparatus according to claim 1, wherein the first gear and the third gear are engaged, and the fourth gear and the second gear are engaged.
4. The device of claim 1, wherein the driving mechanism comprises a first motor, a first rotating shaft and a second rotating shaft, the first motor is fixed on the third gear, the first rotating shaft is rotatably connected and coaxial with the first and second gears, the second rotating shaft is rotatably connected and coaxial with the third and fourth gears, an output shaft of the first motor is fixedly connected with the second rotating shaft, and the first rotating shaft is fixedly connected with the second rotating shaft through a rotating rod.
5. The noise-based gas leakage detection device according to claim 1, wherein the liquid pumping device comprises a first water storage bag, a second water storage bag, a first cylinder, a second cylinder, a first piston, a second piston, a connecting rod and a second motor, the first cylinder and the second cylinder are arranged in an opposite manner, the first water storage bag is arranged in the first cylinder, the second water storage bag is arranged in the second cylinder, the first cylinder is provided with the first piston for extruding the first water storage bag, the second cylinder is internally provided with the second piston for extruding the second water storage bag, the first piston is connected with the second piston through the connecting rod, and the second motor drives the connecting rod to reciprocate through worm and worm rack transmission.
6. The noise-based gas leak detection apparatus according to claim 5, wherein the first cylinder, the second cylinder, and the second motor are fixed to a third gear.
7. The noise-based gas leakage detecting apparatus according to claim 5, wherein the link is provided with a worm gear, and the output shaft of the second motor is provided with a first worm gear.
8. The noise-based gas leak detection device according to claim 1, wherein the first jaw and the second jaw each include a C-shaped sleeve and a C-shaped slide bar, the C-shaped slide bar slides along the C-shaped sleeve, a worm wheel is disposed on an outer side wall of the C-shaped slide bar, a third motor is fixed on the sleeve, and an output shaft of the third motor is provided with a second worm engaged with the worm wheel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010465187.8A CN111578155B (en) | 2020-05-28 | 2020-05-28 | Gas leakage detection device based on noise |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010465187.8A CN111578155B (en) | 2020-05-28 | 2020-05-28 | Gas leakage detection device based on noise |
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| CN111578155A CN111578155A (en) | 2020-08-25 |
| CN111578155B true CN111578155B (en) | 2021-11-02 |
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| CN112682701B (en) * | 2020-12-02 | 2022-09-02 | 无锡工艺职业技术学院 | Pollution inspection robot for underwater pipeline |
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| CN107102064A (en) * | 2017-06-24 | 2017-08-29 | 东北石油大学 | A kind of automatic outer detection means of pipe ultrasonic |
| CN208564609U (en) * | 2018-08-27 | 2019-03-01 | 黄河科技学院 | A kind of mine ventilation system Real-time security monitoring device |
| CN208652149U (en) * | 2018-09-11 | 2019-03-26 | 四川博能燃气股份有限公司 | A kind of fuel gas transmission gas leak detection device |
| CN109827039A (en) * | 2019-03-12 | 2019-05-31 | 中国矿业大学 | A kind of probe follow-up device for Magnetic Flux Leakage Inspecting pipe-line defect |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108423065B (en) * | 2018-05-17 | 2023-07-21 | 吉林大学 | Planetary gear active steering system with small tooth difference and control method thereof |
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|---|---|---|---|---|
| CN107102064A (en) * | 2017-06-24 | 2017-08-29 | 东北石油大学 | A kind of automatic outer detection means of pipe ultrasonic |
| CN208564609U (en) * | 2018-08-27 | 2019-03-01 | 黄河科技学院 | A kind of mine ventilation system Real-time security monitoring device |
| CN208652149U (en) * | 2018-09-11 | 2019-03-26 | 四川博能燃气股份有限公司 | A kind of fuel gas transmission gas leak detection device |
| CN109827039A (en) * | 2019-03-12 | 2019-05-31 | 中国矿业大学 | A kind of probe follow-up device for Magnetic Flux Leakage Inspecting pipe-line defect |
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