CN117470471A - Gas flowmeter tightness measuring device - Google Patents
Gas flowmeter tightness measuring device Download PDFInfo
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- CN117470471A CN117470471A CN202311810685.1A CN202311810685A CN117470471A CN 117470471 A CN117470471 A CN 117470471A CN 202311810685 A CN202311810685 A CN 202311810685A CN 117470471 A CN117470471 A CN 117470471A
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- fixedly connected
- detection
- gas flowmeter
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- 238000001514 detection method Methods 0.000 claims abstract description 76
- 230000007246 mechanism Effects 0.000 claims abstract description 61
- 230000005540 biological transmission Effects 0.000 claims abstract description 33
- 238000007605 air drying Methods 0.000 claims abstract description 10
- 238000005259 measurement Methods 0.000 claims abstract description 9
- 230000001681 protective effect Effects 0.000 claims description 6
- 244000309464 bull Species 0.000 claims description 4
- 239000012634 fragment Substances 0.000 claims description 2
- 238000012546 transfer Methods 0.000 claims description 2
- 230000007306 turnover Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 13
- 238000012360 testing method Methods 0.000 abstract description 7
- 239000007789 gas Substances 0.000 description 80
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 239000003570 air Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- -1 biogas Substances 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003915 liquefied petroleum gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
- G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/06—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention relates to the technical field of detection devices and provides a gas flowmeter tightness measurement device which comprises a detection tank, wherein a mounting frame is arranged in the detection tank, limit support rods are fixedly connected to the front side and the rear side of the inner lower end of the mounting frame, electric push rods are fixedly arranged at four corners of the lower end of the mounting frame, a clamping mechanism is fixedly arranged in the middle of the inner lower end of the detection tank, a transmission mechanism is fixedly arranged at the right end of the clamping mechanism, an air drying mechanism is fixedly connected to the upper end of the detection tank, a detection mechanism is arranged at the lower end of the detection tank, and a gas flowmeter body is arranged in the middle of the mounting frame. Through the testing process, the clear water in the testing pool is not required to be discharged, the air tightness testing of the gas flowmeter body is simpler, the testing time is short, the surface of the gas flowmeter body is blown while the gas flowmeter body is loosened, the testing steps are simplified, and the testing efficiency is improved.
Description
Technical Field
The invention relates to the technical field of detection devices, in particular to a tightness measurement device of a gas flowmeter.
Background
The gas flow meter is a meter that measures the flow of gas. The amount of gas flowing through was recorded in the piping. Gas, air, nitrogen, acetylene, phosgene, hydrogen, natural gas, nitrogen, liquefied petroleum gas, hydrogen peroxide, flue gas, methane, butane, chlorine, gas, biogas, carbon dioxide, oxygen, compressed air, argon, toluene, benzene, xylene, hydrogen sulfide, sulfur dioxide, ammonia, etc. can be measured.
The gas flowmeter is generally divided into two parts, namely a connecting pipeline for installing and connecting the gas pipeline, and a flowmeter valve table for monitoring and displaying the gas flow in the gas pipeline, wherein the gas flowmeter is required to detect the air tightness after the production and installation are completed, so that the qualification rate of products is improved.
In the prior art, as disclosed in the publication number CN209606032U of the issued chinese patent, the device can clamp the gas flowmeter to detect the air tightness, but in the detection process, firstly, the water in the detection tank is discharged, the gas flowmeter is filled with water, after the detection is completed, the gas flowmeter is taken out after the water is completely discharged, the process is troublesome, the detection time is long, excessive water stains remain on the detected gas flowmeter, the surface of the gas flowmeter needs to be dried manually after the detection is completed, the detection step is complicated, and the detection efficiency is low.
Therefore, we improve on this and propose a gas flowmeter tightness measuring device.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: through the clamping mechanism that can go up and down, the gas flowmeter that will detect is pressed from both sides tightly to send into in the measuring cell to detect to rise the in-process that loosens the gas flowmeter, blow its surface, blow off the liquid that will remain on its surface.
(II) technical scheme
In order to achieve the above purpose, the invention provides a gas flowmeter tightness measuring device, which comprises a detection tank, wherein a mounting frame is arranged in the detection tank, limit support rods are fixedly connected to the front side and the rear side of the inner lower end of the mounting frame, electric push rods are fixedly arranged at four corners of the lower end of the mounting frame, a clamping mechanism is fixedly arranged in the middle of the inner lower end of the detection tank, a transmission mechanism is fixedly arranged at the right end of the clamping mechanism, an air drying mechanism is fixedly connected to the upper end of the detection tank, a detection mechanism is arranged at the lower end of the detection tank, and a gas flowmeter body is arranged in the middle of the mounting frame;
the clamping mechanism comprises a motor and a first driving belt, wherein the driving end of the left end of the motor is fixedly connected with a driving rod, the periphery of the right side of the middle part of the driving rod is fixedly connected with a driving belt pulley, the driving belt pulley is connected with a tensioning belt pulley and a driven belt pulley through the first driving belt, the middle part of the driven belt pulley is fixedly connected with a driving rod, the periphery of the right end of the middle part of the driving rod is fixedly connected with a pinion, the upper end of the pinion is meshed with and connected with a large gear, the middle part of the large gear is fixedly connected with a thread bush, the internal thread of the thread bush is connected with a limiting screw, the left end of the limiting screw is fixedly connected with a clamping block I, the periphery of the left end of the middle part of the driving rod is rotationally connected with a limiting block, the middle part of the tensioning belt pulley is rotationally connected with a tensioning shaft, and the right end of the tensioning shaft is rotationally connected with a tensioning plate I and a tensioning plate II;
the transmission mechanism comprises a limiting shaft sleeve and a transmission belt II, pawls and elastic sheets are alternately distributed on the inner periphery and the outer periphery of an outer periphery opening of the limiting shaft sleeve, a ratchet wheel is connected with the outer periphery of the limiting shaft sleeve in a rotating manner, a large belt pulley is fixedly connected with the outer periphery of the ratchet wheel, and a small belt pulley is connected with the large belt pulley through the transmission belt II;
the air drying mechanism comprises a portal frame, a protective cover is fixedly connected to the middle of the inner top wall of the portal frame, a rotating shaft is rotatably connected to the opening in the middle of the upper end of the portal frame through a bearing, a bevel gear I is fixedly connected to the upper end of the rotating shaft, a bevel gear II is connected to the right end of the bevel gear I in a meshed mode, a driving shaft is fixedly connected to the middle of the bevel gear II, and a fan blade is fixedly connected to the lower end of the rotating shaft.
Preferably, the lower ends of the electric push rods are fixedly connected to four corners of the inner bottom wall of the detection pool, the lower ends of the detection mechanisms are fixedly connected to the inner bottom of the support frame, and the four corners of the upper ends of the support frame are fixedly connected to four corners of the lower end of the detection pool.
Preferably, the detection mechanism comprises an air pump, a pressure gauge and a clamping block II, wherein the left end air outlet end of the air pump is fixedly connected with a connecting pipe, the upper end of the connecting pipe is fixedly connected with the lower end air inlet end of the pressure gauge, the upper end air outlet end of the pressure gauge is fixedly connected with an inflation pipe, and the right end periphery of the inflation pipe is fixedly connected in the middle opening of the clamping block II.
Preferably, the middle part periphery fixed connection of gas tube is in the left end middle part opening of mounting bracket, the right-hand member fixed connection of manometer is in the left end middle part of detecting the pond.
Preferably, the left end fixed connection of motor is in the right side lower extreme middle part in the detection pond, the both ends of actuating lever all rotate through the bearing and connect in the interior both sides lower extreme middle part in the detection pond, limit screw's middle part periphery sliding connection is in the right-hand member middle part opening of mounting bracket.
Preferably, the upper end fixed connection of stopper is in the right-hand member downside middle part of mounting bracket, tensioning plate two's lower extreme rotates the middle part right-hand member periphery at the actuating lever, tensioning plate one's upper end rotates the right-hand member at the actuating lever.
Preferably, the outer Zhou Jun of shell fragment is laminated mutually with one side of pawl, the one end that the pawl is close to mutually all rotates through the bull stick and connects in the periphery opening of spacing axle sleeve, the inner periphery fixed connection of belt lace wheel is in the right-hand member periphery of drive shaft.
Preferably, the right end of the driving shaft is rotatably connected to the middle part of the upper end of the inner right side of the portal frame through a bearing, the periphery of the left end of the driving shaft is rotatably connected to the right part of the inner top wall of the portal frame through a bearing seat, and the lower ends of the portal frame are fixedly connected to the middle parts of the two sides of the upper end of the detection pool.
(III) beneficial effects
The sealing performance measuring device of the gas flowmeter provided by the invention has the beneficial effects that:
1. through clamping mechanism, detection mechanism, mounting bracket, electric putter and spacing bracing piece cooperation, realized carrying out the gas tightness to the gas flowmeter body automatically and detect, in the testing process, need not to arrange clear water in the measuring cell, it is simpler to detect gas flowmeter body gas tightness, detection time is short.
2. Through clamping mechanism, drive mechanism and air-dry the cooperation of mechanism, realized when unclamping the gas flowmeter body, blow the surface of gas flowmeter body, blow off the remaining water stain in gas flowmeter body surface, simplified the step of detecting, improved the efficiency of detecting.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.
FIG. 1 is a schematic perspective view of a gas flow meter tightness measuring device provided in the present application;
fig. 2 is a schematic perspective view of a tightness measuring device of a gas flowmeter provided in the present application;
FIG. 3 is a schematic partial front view of a gas flow meter tightness measuring device according to the present application;
FIG. 4 is a schematic partial front view of a gas flow meter tightness measuring device according to the present application;
FIG. 5 is a schematic partial perspective view of one of a clamping mechanism and a transmission mechanism of a gas flow meter tightness measuring device provided by the present application;
FIG. 6 is a schematic partial perspective view of a clamping mechanism and a transmission mechanism of a gas flowmeter tightness measuring device provided by the application;
FIG. 7 is a schematic partial perspective view of a transmission mechanism of a gas flow meter tightness measuring device provided by the application;
fig. 8 is an enlarged view at a in fig. 4.
In the figure: 1. a detection pool; 2. a clamping mechanism; 21. a motor; 22. a driving rod; 23. a drive pulley; 24. a first transmission belt; 25. tensioning the pulley; 26. a driven pulley; 27. a transmission rod; 28. a pinion gear; 29. a large gear; 210. a thread sleeve; 211. a limit screw; 212. a clamping block I; 213. a limiting block; 214. a tensioning shaft; 215. tensioning a first plate; 216. tensioning plate II; 3. a transmission mechanism; 31. a limiting shaft sleeve; 32. a pawl; 33. a spring plate; 34. a ratchet wheel; 35. a large pulley; 36. a second transmission belt; 37. a small pulley; 4. an air drying mechanism; 41. a rotating shaft; 42. bevel gears I; 43. bevel gears II; 44. a drive shaft; 45. a fan blade; 46. a protective cover; 47. a portal frame; 5. a detection mechanism; 51. an air pump; 52. a connecting pipe; 53. a pressure gauge; 54. an inflation tube; 55. a clamping block II; 6. a support frame; 7. a gas flow meter body; 8. a mounting frame; 9. an electric push rod; 10. and (5) limiting the supporting rod.
Detailed Description
The following detailed description of specific embodiments of the invention is provided in connection with the accompanying drawings and examples. The following examples are only illustrative of the present invention and are not intended to limit the scope of the invention.
As shown in fig. 1-8, the embodiment provides a device for measuring tightness of a gas flowmeter, which comprises a detection tank 1, wherein a mounting frame 8 is arranged in the detection tank 1, limit support rods 10 are fixedly connected to front and rear sides of the inner lower end of the mounting frame 8, electric push rods 9 are fixedly arranged at four corners of the lower end of the mounting frame 8, a clamping mechanism 2 is fixedly arranged in the middle of the inner lower end of the detection tank 1, a transmission mechanism 3 is fixedly arranged at the right end of the clamping mechanism 2, an air drying mechanism 4 is fixedly connected to the upper end of the detection tank 1, a detection mechanism 5 is arranged at the lower end of the detection tank 1, and a gas flowmeter body 7 is arranged in the middle of the mounting frame 8;
the clamping mechanism 2 comprises a motor 21 and a first transmission belt 24, wherein the left end driving end of the motor 21 is fixedly connected with a driving rod 22, the outer periphery of the right side of the middle part of the driving rod 22 is fixedly connected with a driving belt pulley 23, the driving belt pulley 23 is connected with a tensioning belt pulley 25 and a driven belt pulley 26 through the first transmission belt 24, the middle part of the driven belt pulley 26 is fixedly connected with a transmission rod 27, the outer periphery of the right end of the middle part of the transmission rod 27 is fixedly connected with a pinion 28, the upper end of the pinion 28 is in meshed connection with a large gear 29, the middle part of the large gear 29 is fixedly connected with a thread bush 210, the internal thread of the thread bush 210 is connected with a limiting screw 211, the left end of the limiting screw 211 is fixedly connected with a clamping block 212, the outer periphery of the left end of the middle part of the transmission rod 27 is in a revolving connection with a limiting block 213, the middle part of the tensioning belt pulley 25 is in a revolving connection with a tensioning shaft 214, and the right end of the tensioning shaft 214 is in a revolving connection with a tensioning plate 215 and a tensioning plate 216;
in this embodiment, the left end of the motor 21 is fixedly connected to the middle part of the right lower end of the detection tank 1, two ends of the driving rod 22 are rotatably connected to the middle parts of the lower ends of the two inner sides of the detection tank 1 through bearings, and the middle periphery of the limiting screw 211 is slidably connected to the middle opening of the right end of the mounting frame 8.
In this embodiment, the upper end of the limiting block 213 is fixedly connected to the middle part of the lower side of the right end of the mounting frame 8, the lower end of the second tensioning plate 216 is rotatably connected to the outer periphery of the right end of the middle part of the driving rod 22, and the upper end of the first tensioning plate 215 is rotatably connected to the right end of the driving rod 27.
Specifically, place the gas flowmeter body 7 that will detect in the spacing bracing piece 10 upper end of mounting bracket 8, start motor 21, drive pulley 23 rotation through actuating lever 22, thereby through first 24 and tensioning pulley 25 of driving belt, drive driven pulley 26 rotation, and then drive pinion 28 rotation through transfer lever 27, and drive threaded sleeve 210 through gear wheel 29 and rotate, then drive the periphery of spacing screw 211 through threaded sleeve 210 and slide left in the right-hand member opening of mounting bracket 8, finally insert the right-hand member of gas flowmeter body 7 through driving clamp piece one 212, with the cooperation of left clamp piece two 55, seal the connecting tube both ends of gas flowmeter body 7, start the electric putter 9 of mounting bracket 8 lower extreme, drive mounting bracket 8 and descend, with the connecting tube of gas flowmeter body 7 subsides to the aquatic of measuring cell 1, this in-process, the stopper 213 drives the in-process that pinion 28 and driven pulley 26 descend through the actuating lever 27, through the cooperation between tensioning plate one 215 and the tensioning plate two 216, drive axle 214 forward movement, make first 24 of driving belt tensioning, make 8 in-down in-process of driving belt 24, detect the air tightness detection mechanism is realized in the measuring cell 7, the air tightness detection mechanism is not had been realized for detecting the air-tight, the measuring cell 1, the air tightness is realized in the measuring device is more than the measuring device is easy, and the air-tight measuring mechanism is detected in the measuring device is free of measuring the measuring time, and the measuring device is 1.
The transmission mechanism 3 comprises a limiting shaft sleeve 31 and a transmission belt II 36, wherein pawls 32 and elastic sheets 33 are alternately distributed on the inner periphery and the outer periphery of an outer periphery opening of the limiting shaft sleeve 31, a ratchet wheel 34 is connected with the outer periphery of the limiting shaft sleeve 31 in a rotating manner, a large belt pulley 35 is fixedly connected with the outer periphery of the ratchet wheel 34, and the large belt pulley 35 is connected with a small belt pulley 37 through the transmission belt II 36;
the air drying mechanism 4 comprises a portal frame 47, a protective cover 46 is fixedly connected to the middle of the inner top wall of the portal frame 47, a rotating shaft 41 is rotatably connected to the middle opening of the upper end of the portal frame 47 through a bearing, a bevel gear I42 is fixedly connected to the upper end of the rotating shaft 41, a bevel gear II 43 is connected to the right end of the bevel gear I42 in a meshed mode, a driving shaft 44 is fixedly connected to the middle of the bevel gear II 43, and a fan blade 45 is fixedly connected to the lower end of the rotating shaft 41.
In this embodiment, the outer Zhou Jun of the elastic piece 33 is attached to one side of the pawl 32, and the end of the pawl 32 close to the outer end is connected in the outer peripheral opening of the limiting sleeve 31 by the rotation of the rotating rod, and the inner periphery of the small pulley 37 is fixedly connected to the outer periphery of the right end of the driving shaft 44.
In this embodiment, the right end of the driving shaft 44 is rotatably connected to the middle part of the upper end of the inner right side of the gantry 47 through a bearing, the outer periphery of the left end of the driving shaft 44 is rotatably connected to the middle right part of the inner top wall of the gantry 47 through a bearing seat, and the lower ends of the gantry 47 are fixedly connected to the middle parts of the two sides of the upper end of the detection tank 1.
Specifically, after the detection is completed, the electric push rod 9 at the lower end of the mounting frame 8 is started to lift the gas flowmeter body 7 out of clear water in the detection tank 1, after the gas flowmeter body 7 is completely lifted out of clear water in the detection tank 1, the motor 21 is started, the clamping block I212 is driven to be far away from the gas flowmeter body 7, in the process, the pawl 32 in the limiting shaft sleeve 31 is matched with the inner teeth of the ratchet wheel 34, the large belt pulley 35 is driven to rotate, the small belt pulley 37 is driven to rotate through the driving belt II 36, the driving shaft 44 and the bevel gear II 43 drive the bevel gear I42 to rotate, finally, the fan blade 45 is driven to rotate in the protective cover 46 through the rotating shaft 41, the air is blown out of the gas flowmeter body 7, residual water stains on the surface of the gas flowmeter body 7 are blown away, the air is blown out of the surface of the gas flowmeter body 7 through the cooperation of the clamping mechanism 2, the driving mechanism 3 and the air drying mechanism 4, the air is blown out of the surface of the gas flowmeter body 7, the detection step is simplified, and the detection efficiency is improved.
In this embodiment, the lower ends of the electric push rods 9 are fixedly connected to four corners of the inner bottom wall of the detection tank 1, the lower ends of the detection mechanisms 5 are fixedly connected to the inner bottom of the support frame 6, and four corners of the upper end of the support frame 6 are fixedly connected to four corners of the lower end of the detection tank 1.
In this embodiment, the detection mechanism 5 includes an air pump 51, a pressure gauge 53, and a second clamping block 55, where the left end outlet end of the air pump 51 is fixedly connected with a connecting pipe 52, the upper end of the connecting pipe 52 is fixedly connected with the lower end inlet end of the pressure gauge 53, the upper end outlet end of the pressure gauge 53 is fixedly connected with an air inflation tube 54, and the right end periphery of the air inflation tube 54 is fixedly connected with the middle opening of the second clamping block 55.
In this embodiment, the outer periphery of the middle part of the inflation tube 54 is fixedly connected in the middle opening of the left end of the mounting frame 8, and the right end of the pressure gauge 53 is fixedly connected in the middle of the left end of the detection tank 1.
Specifically, the air pump 51 is started, the inside of the gas flowmeter body 7 is pressurized and inflated through the connecting pipe 52, the pressure gauge 53 and the inflation pipe 54, when the internal pressure of the gas flowmeter body 7 reaches 10Kpa, the air pump 51 is closed, meanwhile, whether the value of the pressure gauge 53 changes or not is observed, if no change occurs, the air tightness of the gas flowmeter body 7 is good, if the value changes, whether the clear water in the detection tank 1 has bubbles or not is observed, if the bubbles exist, the problem exists between the connecting pipeline or the connecting pipeline of the gas flowmeter body 7 and the gas flowmeter valve, and if the bubbles do not exist, the problem exists between the gas flowmeter valve of the gas flowmeter body 7.
Working principle: firstly, the gas flowmeter body 7 to be detected is placed at the upper end of a limit support rod 10 of a mounting frame 8, a motor 21 is started, a driving pulley 23 is driven to rotate through a driving rod 22, a first driving belt 24 and a tensioning pulley 25 are used for driving a driven pulley 26 to rotate, a pinion 28 is driven to rotate through a driving rod 27, a threaded sleeve 210 is driven to rotate through a large gear 29, then the periphery of a limit screw 211 is driven to slide left in an opening at the right end of the mounting frame 8 through the threaded sleeve 210, finally, a clamping block 212 is driven to be inserted into the right end of the gas flowmeter body 7 and matched with a clamping block two 55 at the left side to seal two ends of a connecting pipeline of the gas flowmeter body 7, an electric push rod 9 at the lower end of the mounting frame 8 is started, the mounting frame 8 is driven to descend, the connecting pipeline of the gas flowmeter body 7 is settled into water of a detection tank 1, in the process, the limiting block 213 drives the pinion 28 and the driven pulley 26 to descend through the transmission rod 27, the tensioning shaft 214 is driven to move forwards through the cooperation between the tensioning plate I215 and the tensioning plate II 216, the transmission belt I24 is tensioned, the mounting frame 8 is enabled not to loosen in the descending process, meanwhile, the air pump 51 is started, the air pump 51 is pressurized and inflated to the inside of the gas flowmeter body 7 through the connecting pipe 52, the pressure gauge 53 and the inflation tube 54, when the internal pressure of the gas flowmeter body 7 reaches 10Kpa, the air pump 51 is closed, meanwhile, whether the value of the pressure gauge 53 changes is observed, if no change occurs, the air tightness of the gas flowmeter body 7 is good, if the value changes, whether the clear water in the detection pond 1 has bubbles is observed, if the bubbles exist, the connecting pipeline of the gas flowmeter body 7 or the connecting pipeline and the gas flowmeter valve are problematic, if no bubble exists, the gas flowmeter valve of the gas flowmeter body 7 is problematic, the gas tightness detection of the gas flowmeter body 7 is realized automatically through the cooperation of the clamping mechanism 2, the detection mechanism 5, the mounting frame 8, the electric push rod 9 and the limit support rod 10, the air tightness detection of the gas flowmeter body 7 is simpler without clearing clean water in the detection tank 1 in the detection process, the detection time is short, the electric push rod 9 at the lower end of the mounting frame 8 is started after the detection is completed, the gas flowmeter body 7 is lifted out of clean water in the detection tank 1, the motor 21 is started after the gas flowmeter body 7 is completely lifted out of clean water in the detection tank 1, the clamping block 212 is driven to be far away from the gas flowmeter body 7, in the process, the pawl 32 in the limiting shaft sleeve 31 is matched with the inner teeth of the ratchet wheel 34 to drive the large belt pulley 35 to rotate, the second transmission belt 36 drives the small belt pulley 37 to rotate, the driving shaft 44 and the second bevel gear 43 drive the first bevel gear 42 to rotate, finally the rotating shaft 41 drives the fan blade 45 to rotate in the protective cover 46, the air blowing is carried out on the outside of the gas flowmeter body 7, residual water stains on the surface of the gas flowmeter body 7 are blown away, the air blowing is carried out on the surface of the gas flowmeter body 7 while the gas flowmeter body 7 is loosened through the matching of the clamping mechanism 2, the transmission mechanism 3 and the air drying mechanism 4, the detection step is simplified, and the detection efficiency is improved.
The above embodiments are only for illustrating the present invention, and are not limiting of the present invention. While the invention has been described in detail with reference to the embodiments, those skilled in the art will appreciate that various combinations, modifications, and substitutions can be made thereto without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. The utility model provides a gas flowmeter leakproofness measuring device, includes detection cell (1), its characterized in that: the inside of detection pond (1) is provided with mounting bracket (8), the equal fixedly connected with spacing bracing piece (10) of interior lower extreme front and back side of mounting bracket (8), the equal fixed mounting in lower extreme four corners of mounting bracket (8) has electric putter (9), the interior lower extreme middle part fixed mounting of detection pond (1) has clamping mechanism (2), the right-hand member fixed mounting of clamping mechanism (2) has drive mechanism (3), the upper end fixedly connected with air-drying mechanism (4) of detection pond (1), the lower extreme of detection pond (1) is provided with detection mechanism (5), the interior middle part of mounting bracket (8) is provided with gas flowmeter body (7);
the clamping mechanism (2) comprises a motor (21) and a first transmission belt (24), a driving rod (22) is fixedly connected to the left end driving end of the motor (21), a driving belt pulley (23) is fixedly connected to the right outer periphery of the middle of the driving rod (22), a tensioning belt pulley (25) and a driven belt pulley (26) are connected to the driving belt (23) through the first transmission belt (24), a transmission rod (27) is fixedly connected to the middle of the driven belt pulley (26), a pinion (28) is fixedly connected to the right outer periphery of the middle of the transmission rod (27), a bull gear (29) is connected to the upper end of the pinion (28) in a meshed mode, a threaded sleeve (210) is fixedly connected to the middle of the bull gear (29), a limiting screw (211) is connected to the inner threads of the threaded sleeve (210), a limiting block (212) is fixedly connected to the left end of the limiting screw (211), a limiting block (213) is connected to the left outer periphery of the middle of the transmission rod (27), a tensioning shaft (214) is connected to the middle of the tensioning belt pulley (25), and a tensioning plate (214) is connected to the second turnover plate (216) is connected to the middle of the tensioning shaft (214);
the transmission mechanism (3) comprises a limiting shaft sleeve (31) and a transmission belt II (36), pawls (32) and elastic sheets (33) are alternately distributed on the inner periphery and the outer periphery of an outer periphery opening of the limiting shaft sleeve (31), a ratchet wheel (34) is connected with the outer periphery of the limiting shaft sleeve (31) in a rotating mode, a large belt pulley (35) is fixedly connected with the outer periphery of the ratchet wheel (34), and the large belt pulley (35) is connected with a small belt pulley (37) through the transmission belt II (36);
the air drying mechanism (4) comprises a portal frame (47), a protective cover (46) is fixedly connected to the middle of the inner top wall of the portal frame (47), a rotating shaft (41) is rotatably connected in an opening in the middle of the upper end of the portal frame (47) through a bearing, a bevel gear I (42) is fixedly connected to the upper end of the rotating shaft (41), a bevel gear II (43) is connected to the right end of the bevel gear I (42) in a meshed mode, a driving shaft (44) is fixedly connected to the middle of the bevel gear II (43), and a fan blade (45) is fixedly connected to the lower end of the rotating shaft (41).
2. A gas flow meter leak tightness measurement device as defined in claim 1, wherein: the lower extreme of electric putter (9) is all fixed connection in the interior bottom four corners of detecting pond (1), the lower extreme fixed connection of detection mechanism (5) is in the interior bottom of support frame (6), the upper end four corners of support frame (6) is all fixed connection in the lower extreme four corners of detecting pond (1).
3. A gas flow meter leak tightness measurement device as defined in claim 2, wherein: the detection mechanism (5) comprises an air pump (51), a pressure gauge (53) and a clamping block II (55), wherein the left end air outlet end of the air pump (51) is fixedly connected with a connecting pipe (52), the upper end of the connecting pipe (52) is fixedly connected with the lower end air inlet end of the pressure gauge (53), the upper end air outlet end of the pressure gauge (53) is fixedly connected with an air charging pipe (54), and the right end periphery of the air charging pipe (54) is fixedly connected in the middle opening of the clamping block II (55).
4. A gas flow meter leak tightness measurement device as defined in claim 3, wherein: the middle periphery of the inflation tube (54) is fixedly connected in the middle opening of the left end of the mounting frame (8), and the right end of the pressure gauge (53) is fixedly connected in the middle of the left end of the detection tank (1).
5. A gas flow meter leak tightness measurement device as defined in claim 1, wherein: the left end fixed connection of motor (21) is in the right side lower extreme middle part of detecting pond (1), the both ends of actuating lever (22) are all through bearing rotation connection in the interior both sides lower extreme middle part of detecting pond (1), the middle part periphery sliding connection of stop screw (211) is in the right-hand member middle part opening of mounting bracket (8).
6. A gas flow meter leak tightness measurement device as defined in claim 1, wherein: the upper end fixed connection of stopper (213) is in the middle part of right-hand member downside of mounting bracket (8), the lower extreme rotation of tensioning board two (216) is connected in the middle part right-hand member periphery of actuating lever (22), the upper end rotation of tensioning board one (215) is connected in the right-hand member of transfer line (27).
7. A gas flow meter leak tightness measurement device as defined in claim 1, wherein: the outer Zhou Jun of shell fragment (33) is laminated with one side of pawl (32), the one end that pawl (32) is close to all rotates through the bull stick and connects in the periphery opening of spacing axle sleeve (31), the inner periphery fixed connection of belt lace wheel (37) is in the right-hand member periphery of drive shaft (44).
8. A gas flow meter leak tightness measurement device as defined in claim 1, wherein: the right-hand member of drive shaft (44) is rotated through the bearing and is connected at the interior right side upper end middle part of portal frame (47), the left end periphery of drive shaft (44) is rotated through the bearing frame and is connected at the interior roof middle right part of portal frame (47), the equal fixed connection in upper end both sides middle part of detecting pond (1) of lower extreme of portal frame (47).
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| CN220230849U (en) * | 2023-07-20 | 2023-12-22 | 四川晨风广利精密机械制造有限责任公司 | Frock is used in box gas tightness detection |
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| CN117470471B (en) | 2024-03-22 |
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