CN113405732A - Precession vortex flowmeter gas tightness detection device - Google Patents
Precession vortex flowmeter gas tightness detection device Download PDFInfo
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- CN113405732A CN113405732A CN202110615085.4A CN202110615085A CN113405732A CN 113405732 A CN113405732 A CN 113405732A CN 202110615085 A CN202110615085 A CN 202110615085A CN 113405732 A CN113405732 A CN 113405732A
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- 238000001514 detection method Methods 0.000 title claims abstract description 42
- 230000007246 mechanism Effects 0.000 claims abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 230000005540 biological transmission Effects 0.000 claims description 28
- 238000007789 sealing Methods 0.000 claims description 15
- 230000003028 elevating effect Effects 0.000 abstract description 8
- 230000009467 reduction Effects 0.000 description 8
- 230000009471 action Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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Abstract
The invention relates to a detection device, in particular to an air tightness detection device of a precession vortex flowmeter. The technical problem of the invention is as follows: the air tightness detection device of the precession vortex flowmeter can avoid detection errors and improve detection efficiency. The technical scheme is as follows: the utility model provides a precession vortex flowmeter gas tightness detection device, is including water tank, gag, mounting bracket and elevating system, and the lateral wall lower part of water tank is provided with the gag, and the water tank lateral wall of gag both sides all is provided with the mounting bracket, is provided with the elevating system that can make precession vortex flowmeter remove between two mounting brackets. The fixing mechanism arranged in the invention can limit the precession vortex flowmeter, and the lifting mechanism can enable the fixing mechanism to dip the precession vortex flowmeter into water for air tightness detection, so that the precession vortex flowmeter directly falls down in the water, and extremely tiny leakage points cannot be detected, and the detected air tightness result is inaccurate.
Description
Technical Field
The invention relates to a detection device, in particular to an air tightness detection device of a precession vortex flowmeter.
Background
The precession vortex flowmeter adopts advanced micro-processing technology, has the advantages of strong function, wide flow range, simple operation and maintenance, convenient installation and use and the like, and has main technical indexes reaching the advanced level of foreign similar products.
Because the precession vortex flowmeter has high requirement on air tightness, the precession vortex flowmeter can be subjected to air tightness detection after being produced, in the prior art, when the precession vortex flowmeter is subjected to air tightness detection, an inlet and an outlet of the precession vortex flowmeter are usually sealed, then the precession vortex flowmeter is put into water, whether the air tightness of the precession vortex flowmeter is qualified is judged by observing that no bubble exists at an interface of the precession vortex flowmeter, because the precession vortex flowmeter is not fixed and limited after being put into the water, the precession vortex flowmeter can fall down under the action of gravity, so that an extremely tiny leakage point can not be detected, the detected air tightness result is not accurate, in addition, the precession vortex flowmeter is directly put into the water for air tightness detection, and the method consumes a long time in the detection process of the precession vortex flowmeter, the detection efficiency of the precession vortex flowmeter is reduced.
Therefore, it is necessary to develop a device for detecting the airtightness of a precession vortex flowmeter, which can avoid detection errors and improve detection efficiency.
Disclosure of Invention
In order to overcome the defects that a precession vortex flowmeter falls downwards in water, so that a tiny leakage point cannot be detected, the detected air tightness result is inaccurate, the time consumption of the process of putting the vortex flowmeter into water for detection is long, and the detection efficiency is reduced, the technical problem of the invention is as follows: the air tightness detection device of the precession vortex flowmeter can avoid detection errors and improve detection efficiency.
The technical scheme of the invention is as follows: the utility model provides a precession vortex flowmeter gas tightness detection device, is including water tank, gag, mounting bracket, elevating system and fixed establishment, and the lateral wall lower part of water tank is provided with the gag, and the water tank lateral wall of gag both sides all is provided with the mounting bracket, is provided with the elevating system that can make precession vortex flowmeter remove between two mounting brackets, and elevating system's lower part is provided with can be to the spacing fixed establishment of precession vortex flowmeter.
In addition, it is particularly preferable that the lifting mechanism comprises two first screws, two threaded blocks, two first belt wheels, two mounting plates, two first fixing plates, two connecting plates, two first rotating shafts, two second belt wheels, two first belts, a connecting block, two second rotating shafts, a spur gear, a third belt wheel, a fourth belt wheel, a second belt, a moving part and a transmission part, the two first screws are respectively rotatably mounted in the two mounting frames, the upper side of each first screw is provided with the threaded block, the outer side wall of each threaded block is provided with the corresponding first belt wheel, the threaded blocks on the lower side of the corresponding first belt wheels are rotatably mounted with the mounting plates, the inner side walls of the two mounting plates are respectively provided with the corresponding first fixing plates, the connecting plates are arranged between the upper parts of the inner side walls of the two first fixing plates, the first rotating shafts are rotatably mounted on both sides of the connecting plates, the upper parts of the first rotating shafts are connected with the second belt wheels, and the first belts are wound between the adjacent second belt wheels and the first belt wheels, the connecting block is all installed to the lateral wall both sides of connecting plate, the top rotary type of connecting block is connected with the second pivot, the upper portion of second pivot is provided with the straight-teeth gear, the second pivot of straight-teeth gear downside is provided with the third band pulley, the fourth band pulley is installed to the first pivot of first band pulley downside, around having the second belt between adjacent fourth band pulley and the third band pulley, install moving part between the lateral wall of two first fixed plates, moving part is provided with drive disk assembly, drive disk assembly is connected with the first fixed plate of one side.
In addition, it is particularly preferable that the moving part includes two fixing frames, two slotted frames, two racks, two first moving plates, two second lead screws, two first thread bushings, two sliding rods, two sliding frames, two first springs, two third lead screws, two second thread bushings, two second moving plates and two second springs, the two fixing frames are respectively connected to the upper portions of the side walls of the two first fixing plates, the slotted frames are installed at the tops of the fixing frames, the racks are slidably installed in the slotted frames, the adjacent racks are engaged with the straight gears, the racks and the connecting plates are slidably installed, the first moving plates are fixedly connected to the lower portions of the racks, the second lead screws are rotatably installed between the two first fixing plates on the lower side of the connecting plates, the first thread bushings are respectively installed on the two sides of the second lead screws, the two first thread bushings are respectively embedded in the lower portions of the two first moving plates, the sliding rods are arranged on one side, which is close to the second lead screws, between the two first fixing plates, the both sides of slide bar all slidingtype are equipped with the carriage, and the rigid coupling has first spring between adjacent carriage and the rack, and the third lead screw is installed to the rotary type between two first fixed plates of second lead screw downside, and the both sides of third lead screw all are equipped with the second thread bush, and the second movable plate is installed to the lateral wall of second thread bush, and the rigid coupling has the second spring between adjacent second movable plate and the carriage.
In addition, it is particularly preferable that the transmission component includes a fifth belt pulley, a sixth belt pulley, a third belt, a mounting seat and a first speed reduction motor, the fifth belt pulley is connected to one end of the third screw rod, the sixth belt pulley is installed at one end of the second screw rod, the sixth belt pulley is located on one side of the fifth belt pulley, the third belt is wound between the sixth belt pulley and the fifth belt pulley, the mounting seat is connected to the first fixing plate on one side of the upper side of the second screw rod, the first speed reduction motor is arranged in the mounting seat, and an output shaft of the first speed reduction motor is fixedly connected with the second screw rod.
In addition, particularly preferably, the fixing mechanism comprises a slide rail, a slide block, a fourth screw rod, a clamping plate and a rubber plate, the seventh band pulley, the fourth belt, the eighth band pulley, the fifth belt, L shape frame and second gear motor, upper and lower both sides between two first fixed plates all are provided with two slide rails, the slidingtype is equipped with the slider in the slide rail, the fourth lead screw is installed to the rotary type between two upper and lower sliders, be provided with the pinch-off plate between two corresponding fourth lead screws, the pinch-off plate is provided with the rubber slab, the seventh band pulley is all installed on the upper portion of fourth lead screw, around having the fourth belt between two corresponding seventh band pulleys, keep away from the fourth lead screw upper end of second gear motor and install the eighth band pulley, around having the fifth belt between two eighth band pulleys, L shape frame is installed at the top of one side slide rail, second gear motor is installed to L shape frame, the lower extreme of second gear motor output shaft and the upper end rigid coupling of one side fourth lead screw.
In addition, it is particularly preferred, still include the air pump, control module, the second fixed plate, the conveyer pipe, first sliding frame, intake pipe and the part of giving vent to anger, the carriage lateral wall at one side is installed to the air pump, control module is installed to the air pump, be equipped with the circuit between control module and the air pump, two second fixed plates are installed to the carriage lateral wall of air pump downside, be provided with the conveyer pipe between two second fixed plates, the one end of conveyer pipe and the gas outlet intercommunication of air pump, the other end of conveyer pipe passes the carriage that corresponds, first sliding frame is installed to the other end lateral wall of conveyer pipe, the intake pipe is installed to the other end of conveyer pipe, the carriage lateral wall lower part of keeping away from first sliding frame is provided with the part of giving vent to anger, be equipped with the circuit between part of giving vent to anger and the control module.
In addition, it is particularly preferable that the air outlet part includes a contact switch, a second sliding frame, a hollow sliding plate, a third spring, a third sliding frame, a sliding block, a fourth spring and a contact rod, the contact switch is embedded at the lower part of the side wall of the sliding frame far away from the first sliding frame, a circuit is arranged between the contact switch and the control module, the side wall of the contact switch is provided with the second sliding frame, the outer side wall of the second sliding frame is provided with a plurality of air outlet holes, the hollow sliding plate is arranged in the second sliding frame in a sliding manner, the third spring is arranged between the hollow sliding plate and the second sliding frame, the side wall of the second sliding frame at the inner side of the third spring is connected with the third sliding frame, the sliding block is arranged in the third sliding frame in a sliding manner, the fourth spring is fixedly connected between the sliding block and the second sliding frame, the contact rod is installed at the side wall of the sliding block at the inner side of the fourth spring, and the contact rod passes through the second sliding frame.
In addition, especially preferred is still including fixed frame, sealing washer and gas transmission pipeline, and fixed frame is all installed to the lateral wall of first slip frame and second slip frame, and the inside wall of fixed frame is provided with the sealing washer, and gas transmission pipeline has been inlayed at the top of fixed frame, and gas transmission pipeline and sealing washer intercommunication.
In addition, especially preferably, still include the rubber pad, the lateral wall of fixed frame is provided with the rubber pad.
The invention has the following advantages:
1. the fixing mechanism can limit the precession vortex flowmeter, and the lifting mechanism can enable the fixing mechanism to dip the precession vortex flowmeter into water for air tightness detection, so that the precession vortex flowmeter can be prevented from directly falling down in the water, extremely tiny leakage points cannot be detected, and the detected air tightness result is inaccurate;
2. the air pump can push air into the precession vortex flowmeter when working, and a large amount of bubbles can be generated when the air in the precession vortex flowmeter flows out, so that the air tightness detection of the precession vortex flowmeter can be accelerated, and the air tightness detection efficiency of the precession vortex flowmeter can be improved;
3. the rubber pads on the left side and the right side are close to each other and are in close contact with the precession vortex flowmeter, so that the inconvenience for the air tightness detection of the precession vortex flowmeter due to a gap between the precession vortex flowmeter and the fixed frame can be avoided.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of the lifting mechanism of the present invention.
Fig. 3 is a schematic perspective view of a first lead screw according to the present invention.
Fig. 4 is a schematic perspective view of the second pulley of the present invention.
Fig. 5 is a partial perspective view of the present invention.
Fig. 6 is a perspective view of a rack of the present invention.
Fig. 7 is a schematic perspective view of the fixing mechanism of the present invention.
Fig. 8 is a schematic perspective view of the air pump of the present invention.
Fig. 9 is a schematic perspective view of a second sliding frame according to the present invention.
Fig. 10 is a schematic perspective view of the hollow sliding plate of the present invention.
Fig. 11 is a schematic perspective view of a third sliding frame according to the present invention.
In the above drawings: 1-a water tank, 2-a plug cover, 3-a mounting frame, 4-a lifting mechanism, 401-a first lead screw, 402-a thread block, 403-a first belt wheel, 404-a mounting plate, 405-a first fixing plate, 406-a connecting plate, 407-a first rotating shaft, 408-a second belt wheel, 409-a first belt, 410-a connecting block, 411-a second rotating shaft, 412-a spur gear, 413-a third belt wheel, 414-a fourth belt wheel, 415-a second belt, 416-a fixing frame, 417-a groove frame, 418-a rack frame, 419-a first moving plate, 420-a second lead screw, 421-a first thread sleeve, 422-a sliding rod, 423-a sliding frame, 424-a first spring, 425-a third lead screw, 426-a second thread sleeve, 427-a second moving plate, 428-a second spring, 429-a fifth pulley, 430-a sixth pulley, 431-a third belt, 432-a mounting seat, 433-a first speed reducing motor, 5-a fixed mechanism, 501-a sliding rail, 502-a sliding block, 503-a fourth screw rod, 504-a clamping plate, 505-a rubber plate, 506-a seventh pulley, 507-a fourth belt, 508-an eighth pulley, 5081-a fifth belt, 509-an L-shaped frame, 510-a second speed reducing motor, 6-an air pump, 61-a control module, 7-a second fixed plate, 8-a conveying pipe, 9-a first sliding frame, 10-an air inlet pipe, 11-a contact switch, 12-a second sliding frame, 13-an air outlet hole, 14-a hollow sliding plate, 15-third spring, 16-third sliding frame, 17-sliding block, 18-fourth spring, 19-contact rod, 20-fixed frame, 21-sealing ring, 22-gas transmission pipeline, 23-rubber pad, and 24-precession vortex flowmeter.
Detailed Description
The present invention will be further described with reference to specific examples, which are illustrative of the invention and are not to be construed as limiting the invention.
Example 1
The utility model provides a precession vortex flowmeter gas tightness detection device, as shown in figure 1, including water tank 1, gag 2, mounting bracket 3, elevating system 4 and fixed establishment 5, the left part below of water tank 1 preceding lateral wall is provided with gag 2, and the lower part of water tank 1 left and right sides wall all is provided with mounting bracket 3, controls and is provided with elevating system 4 between two mounting brackets 3, and the inboard lower part of elevating system 4 is provided with fixed establishment 5.
When the air tightness of the vortex precession flowmeter 24 needs to be detected, a user pours a proper amount of water into the water tank 1 and seals the inlet and outlet of the vortex precession flowmeter 24, then the user limits the vortex precession flowmeter 24 through the fixing mechanism 5, then the user enables the lifting mechanism 4 to work, the lifting mechanism 4 can enable the fixing mechanism 5 to move downwards, the fixing mechanism 5 can enable the vortex precession flowmeter 24 to move downwards, when the vortex precession flowmeter 24 moves downwards and is placed in the water tank 1, the interface of the vortex precession flowmeter 24 is observed whether bubbles exist, when bubbles appear at the interface of the vortex precession flowmeter 24, the air tightness of the vortex precession flowmeter 24 can be judged to be unqualified, when no bubbles appear at the interface of the vortex precession flowmeter 24, the air tightness of the vortex precession flowmeter 24 can be judged to be qualified, then, the user resets the lifting mechanism 4 so that the fixing mechanism 5 is moved upward and reset, then the user operates the fixing mechanism 5 to release the limit of the precession vortex flowmeter 24 and takes it out, and then the user repeats the above operation to perform the airtightness test on the next precession vortex flowmeter 24.
Example 2
In addition to embodiment 1, as shown in fig. 2 to 6, the lifting mechanism 4 includes a first lead screw 401, a thread block 402, a first pulley 403, a mounting plate 404, a first fixing plate 405, a connecting plate 406, a first rotating shaft 407, a second pulley 408, a first belt 409, a connecting block 410, a second rotating shaft 411, a spur gear 412, a third pulley 413, a fourth pulley 414, a second belt 415, a moving member and a transmission member, two first lead screws 401 are provided, the two first lead screws 401 are rotatably mounted in two mounting frames 3 respectively, the upper side of the first lead screw is provided with the thread block 402, the outer side wall of the thread block 402 is provided with the first pulley 403, the mounting plate 404 is rotatably mounted on the thread block 402 at the lower side of the first pulley 403, the inner side walls of the left and right mounting plates 404 are provided with the first fixing plates 405, the connecting plate 406 is provided between the upper portions of the inner side walls of the left and right first fixing plates 405, first rotating shafts 407 are rotatably mounted on the left side and the right side of the connecting plate 406, a second belt wheel 408 is connected to the upper portion of the first rotating shaft 407, a first belt 409 is wound between the front and rear adjacent second belt wheels 408 and the first belt wheel 403, connecting blocks 410 are mounted on the left side and the right side of the rear side wall of the connecting plate 406, a second rotating shaft 411 is rotatably connected to the top of each connecting block 410, a spur gear 412 is arranged on the upper portion of each second rotating shaft 411, a third belt wheel 413 is arranged on the second rotating shaft 411 on the lower side of the spur gear 412, a fourth belt wheel 414 is mounted on the first rotating shaft 407 on the lower side of the first belt wheel 403, a second belt 415 is wound between the front and rear adjacent fourth belt wheels 414 and the third belt wheel 413, moving parts are mounted between the outer side walls of the left and right first fixing plates 405, transmission parts are provided with transmission parts, and the transmission parts are connected to the upper portions of the right side walls of the right first fixing plates 405.
When the airtightness of the vortex precession flowmeter 24 needs to be detected, a user limits the vortex precession flowmeter 24 through the fixing mechanism 5, then the user starts the operation of the transmission component, the operation of the transmission component can enable the operation of the moving component, the operation of the moving component can enable the spur gears 412 on the left and right sides to rotate, the rotation of the spur gears 412 can enable the third belt wheel 413 to rotate, the rotation of the third belt wheel 413 can enable the fourth belt wheel 414 to rotate through the second belt 415, the rotation of the fourth belt wheel 414 can enable the second belt wheel 408 to rotate through the first rotating shaft 407, the rotation of the second belt wheel 408 can enable the first belt wheel 403 to rotate, the rotation of the first belt wheel 403 can enable the screw block 402 to rotate, through the matching of the screw block 402 and the first lead screw 401, the screw block 402 can be moved downwards to enable the part on the screw block to be moved downwards, and thus the fixing mechanism 5 can be moved downwards, the fixing mechanism 5 moves downwards to enable the precession vortex flowmeter 24 to move downwards to be placed in water, air tightness detection is conducted on the precession vortex flowmeter 24, after the precession vortex flowmeter 24 conducts air tightness detection, a user enables the fixing mechanism 5 to move upwards to reset, the transmission mechanism is closed, and then the user can take out the precession vortex flowmeter 24 from the fixing mechanism 5.
As shown in fig. 5 and 6, the moving component includes a fixed frame 416, a slotted frame 417, a rack frame 418, a first moving plate 419, a second lead screw 420, a first thread bushing 421, a sliding rod 422, a sliding frame 423, a first spring 424, a third lead screw 425, a second thread bushing 426, a second moving plate 427 and a second spring 428, the fixed frame 416 has two fixed frames 416 respectively connected to the upper portions of the outer side walls of the two first fixed plates 405, the slotted frame 417 is installed on the top of the fixed frame 416, the rack frame 418 is slidably installed in the slotted frame 417, the rack frames 418 adjacent to each other in the front and rear direction are engaged with the spur gear 412, the rack frame 418 is slidably installed with the connecting plate 406, the first moving plate 419 on the lower side is fixedly connected to the lower portion of the rack frame 418, the second lead screw 420 is rotatably installed between the two first fixed plates 405 of the connecting plate 406, the left and right sides of the second lead screw 420 are respectively provided with the first thread bushings 421, the left and right first threaded sleeves 421 are respectively embedded at the lower parts of the left and right first moving plates 419, a sliding rod 422 is arranged at one side between the two first fixing plates 405 close to the second lead screw, sliding frames 423 are arranged at the left and right sides of the sliding rod 422 in a sliding manner, a first spring 424 is fixedly connected between the adjacent sliding frame 423 and the rack 418, a third lead screw 425 is rotatably arranged between the left and right first fixing plates 405 at the lower side of the second lead screw 420, second threaded sleeves 426 are arranged at the left and right sides of the third lead screw 425, a second moving plate 427 is arranged on the outer side wall of each second threaded sleeve 426, and a second spring 428 is fixedly connected between the adjacent second moving plate 427 and the corresponding sliding frame 423.
When the airtightness of the precession vortex flowmeter 24 needs to be detected, a user limits the precession vortex flowmeter 24 through the fixing mechanism 5, and makes the transmission part work, the transmission part works to make the second lead screw 420 and the third lead screw 425 rotate clockwise, because the threads on the two sides of the second lead screw 420 and the third lead screw 425 are opposite, the second lead screw 420 and the third lead screw 425 rotate clockwise, so the first thread sleeves 421 on the left side and the right side can be closed, the second thread sleeves 426 on the left side and the right side can be closed, the first thread sleeves 421 on the left side and the second thread sleeves 426 on the right side can be closed, so the left rack frame 418 and the right rack frame 418 can be closed, the straight gears 412 on the left side and the right side can be rotated, so the fixing mechanism 5 can move downwards to perform airtightness detection on the precession vortex flowmeter 24, after the airtightness detection of the precession vortex flowmeter 24 is completed, the user rotates the second lead screw 420 and the third lead screw 425 counterclockwise, which moves the fixing mechanism 5 upward to reset, then closes the transmission mechanism, and then the user takes the precession vortex flowmeter 24 out of the fixing mechanism 5.
As shown in fig. 5 and 6, the transmission component includes a fifth pulley 429, a sixth pulley 430, a third belt 431, a mounting seat 432 and a first speed reduction motor 433, the fifth pulley 429 is connected to the right end of the third screw, the sixth pulley 430 is installed at the right portion of the second screw, the sixth pulley 430 is located right above the fifth pulley 429, the third belt 431 is wound between the sixth pulley 430 and the fifth pulley 429, the mounting seat 432 is connected to the right side wall of the first fixing plate 405 on the upper side of the second screw, the first speed reduction motor 433 is arranged in the mounting seat 432, and the left end of the output shaft of the first speed reduction motor 433 is fixedly connected to the right end of the second screw 420.
When the airtightness detection of the vortex precession flow meter 24 is required, the user limits the vortex precession flow meter 24 by the fixing mechanism 5, then the user starts the first decelerating motor 433 to rotate the second screw 420 clockwise, the second screw 420 rotates clockwise to rotate the sixth pulley 430 clockwise, the sixth pulley 430 rotates clockwise to rotate the fifth pulley 429 clockwise by the third belt 431, the fifth pulley 429 rotates clockwise to rotate the third screw 425 clockwise by rotating the fifth pulley 429 clockwise, so that the fixing mechanism 5 moves downwards, the vortex precession flow meter 24 is placed in water to perform the airtightness detection, after the airtightness detection of the vortex precession flow meter 24 is completed, the user rotates the second screw 420 counterclockwise by the first decelerating motor 433, so that the fixing mechanism 5 moves upwards, and after the fixing mechanism 5 moves upwards and resets, the user closes the first decelerating motor 433, the user then removes the screw-in vortex flowmeter 24 from the fixture 5.
As shown in fig. 2 and 7, the fixing mechanism 5 includes a sliding rail 501, a sliding block 502, a fourth lead screw 503, a clamping plate 504, a rubber plate 505, a seventh pulley 506, a fourth belt 507, an eighth pulley 508, a fifth belt 5081, an L-shaped frame 509 and a second reduction motor 510, wherein two sliding rails 501 are respectively disposed on the upper and lower sides between the left and right first fixing plates 405, the sliding block 502 is slidably disposed in the sliding rail 501, the fourth lead screw 503 is rotatably mounted between the upper and lower sliding blocks 502, the clamping plate 504 is disposed on the upper and lower sides between the front and rear fourth lead screws 503, the rubber plate 505 is disposed on the inner side surface of the clamping plate 504 on the upper and lower sides, the seventh pulley 506 is mounted on the upper portion of the four fourth lead screws 503, the fourth belt 507 is wound between the front and rear seventh pulleys 506, the eighth pulley 508 is mounted on the upper end of the front two fourth lead screws, the fifth belt 5081 is wound between the left and right eighth pulleys 508, an L-shaped frame 509 is mounted at the top of the slide rail 501 on the front upper side, a second speed reducing motor 510 is mounted on the L-shaped frame 509, and the lower end of an output shaft of the second speed reducing motor 510 is fixedly connected with the upper end of a fourth screw 503 on the left front side.
When it is necessary to detect airtightness of the precession vortex flowmeter 24, the user activates the second reduction motor 510 to rotate the left front fourth screw 503 clockwise, rotates the left front seventh pulley 506 clockwise by rotating the left front fourth screw 503 clockwise, rotates the left rear seventh pulley 506 clockwise by the left fourth belt 507, rotates the left rear seventh pulley 506 clockwise by the left rear fourth screw 503 clockwise, rotates the left eighth pulley 508 clockwise by rotating the left rear fourth screw 503 clockwise, rotates the right eighth pulley 508 clockwise by the fifth belt 5081, rotates the right eighth pulley 508 clockwise by the right eighth pulley 508, rotates the right rear fourth screw 503 clockwise to rotate the right rear seventh pulley 506 clockwise, rotates the right front seventh pulley 506 clockwise by the right fourth belt 507, the clockwise rotation of the seventh pulley 506 at the right front side can make the fourth lead screw 503 at the right front side clockwise rotate, because the threads at the upper and lower sides of the fourth lead screw 503 are opposite, the clamping plates 504 at the upper and lower sides can be kept away from each other, then the user places the precession vortex flowmeter 24 between the two rubber plates 505 at the lower side, then the user starts the second speed reducing motor 510 to make the fourth lead screw 503 at the left front side counterclockwise rotate, so the clamping plates 504 at the upper and lower sides can be closed to limit and fix the precession vortex flowmeter 24, the contact area with the precession vortex flowmeter 24 can be larger through the rubber plates 505, so the precession vortex flowmeter 24 can be fixed more stably, thereby the airtightness detection of the precession vortex flowmeter 24 can be conveniently performed, after the airtightness detection of the precession vortex flowmeter 24 is completed, the user starts the second speed reducing motor 510 to make the fourth lead screw 503 at the left front side clockwise rotate, the clamping plates 504 on the upper and lower sides are thus moved away from each other, so that the screw-in vortex flowmeter 24 can be released from its position-limiting fixing and then removed by the user.
Example 3
On the basis of the embodiment 2, as shown in fig. 8-11, the air pump 6, the control module 61, the second fixing plate 7 are further included, conveyer pipe 8, first sliding frame 9, intake pipe 10 and the part of giving vent to anger, the carriage 423 right side wall on right side is installed to air pump 6, control module 61 is installed to air pump 6, be equipped with the circuit between control module 61 and the air pump 6, two second fixed plates 7 are installed to the carriage 423 right side wall on right side, two second fixed plates 7 are located the 6 downside of air pump, be provided with conveyer pipe 8 between two second fixed plates 7, conveyer pipe 8's one end and the gas outlet intercommunication of air pump 6, the carriage 423 on right side is passed to conveyer pipe 8's the other end, first sliding frame 9 is installed to conveyer pipe 8's other end lateral wall, intake pipe 10 is installed to conveyer pipe 8's the other end, left carriage 423 lower part is provided with the part of giving vent to anger, be equipped with the circuit between part of giving vent to anger and the control module 61.
When the airtightness of the vortex precession flowmeter 24 needs to be detected, the user rotates the second screw rod 420 and the third screw rod 425 clockwise, so that the first screw thread sleeves 421 and 426 on the left and right sides are close to each other, and simultaneously, parts of the screw thread sleeves on the first screw thread sleeves are close to each other, so that the sliding frames 423 on the left and right sides are close to each other, so that the first sliding frame 9 and the air outlet member are close to each other, and the inlet and the outlet of the vortex precession flowmeter 24 can be sealed respectively through the close of the first sliding frame 9 and the air outlet member, then the user starts the air pump 6 to work, the air pump 6 can pump outside air and push the air into the delivery pipe 8, the air in the delivery pipe 8 is pushed into the vortex precession flowmeter 24 through the air inlet pipe 10, when the air in the vortex precession flowmeter 24 reaches a certain amount, the air outlet member works to close the air pump 6, when the air in the precession vortex flowmeter 24 runs out, and bubbles are continuously blown out from the water, the user can judge that the precession vortex flowmeter 24 is unqualified, and then the user moves the precession vortex flowmeter 24 upwards to reset and take out.
As shown in fig. 9-11, the air outlet part includes a contact switch 11, a second sliding frame 12, a hollow sliding plate 14, a third spring 15, a third sliding frame 16, a sliding block 17, a fourth spring 18 and a contact rod 19, the contact switch 11 is embedded in the lower portion of the left sliding frame 423, a circuit is arranged between the contact switch 11 and the control module 61, the right side wall of the contact switch 11 is provided with the second sliding frame 12, the outer side wall of the second sliding frame 12 is provided with at least three air outlet holes 13, the hollow sliding plate 14 is slidably arranged in the second sliding frame 12, the third spring 15 is arranged between the hollow sliding plate 14 and the second sliding frame 12, the second sliding frame 12 inside the third spring 15 is connected with the third sliding frame 16, the sliding block 17 is slidably arranged in the third sliding frame 16, the fourth spring 18 is fixedly connected between the sliding block 17 and the second sliding frame 12, the right side wall of the sliding block 17 inside the fourth spring 18 is provided with the contact rod 19, the left end of the contact rod 19 passes through the second slide frame 12.
When the airtightness of the vortex precession flowmeter 24 needs to be detected, a user makes the sliding frames 423 on the left and right sides close, the sliding frames 423 on the left and right sides close to each other to make the first sliding frame 9 and the second sliding frame 12 close to each other, the first sliding frame 9 and the second sliding frame 12 close to each other to respectively seal the inlet and the outlet of the vortex precession flowmeter 24, then the air pump 6 pushes air into the vortex precession flowmeter 24, the air in the vortex precession flowmeter 24 continuously increases along with the increase of the air in the vortex precession flowmeter 24, when the air in the vortex precession flowmeter 24 reaches a certain amount, the air in the vortex precession flowmeter 24 can push the hollow sliding plate 14 to move leftward, the third spring 15 compresses therewith, the hollow sliding plate 14 moves leftward to move the sliding block 17 leftward, the fourth spring 18 compresses therewith, the sliding block 17 moves leftward to move the contact rod 19 leftward, the contact rod 19 can touch the contact switch 11, the contact switch 11 feeds information back to the control module 61, the control module 61 closes the air pump 6, meanwhile, redundant air in the precession vortex flowmeter 24 flows out through the air outlet 13, the sliding frame can move leftwards to reset under the action of the elastic force of the fourth spring 18, the hollow sliding plate 14 can move leftwards to reset under the action of the elastic force of the third spring 15, therefore, the air in the precession vortex flowmeter 24 can be sealed, when a large amount of bubbles appear in the precession vortex flowmeter 24 in water, the airtightness of the precession vortex flowmeter 24 can be judged to be unqualified, when no bubbles appear in the precession vortex flowmeter 24, the airtightness of the precession vortex flowmeter 24 can be judged to be qualified, and then, a user enables the precession vortex flowmeter 24 to move upwards to reset and takes out the precession vortex flowmeter 24.
Example 4
On the basis of embodiment 3, as shown in fig. 8, the air conditioner further includes a fixing frame 20, a sealing ring 21 and an air transmission pipeline 22, wherein the fixing frame 20 is installed on the inner side walls of the first sliding frame 9 and the second sliding frame 12, the sealing rings 21 are installed on the inner side walls of the left and right fixing frames 20, the air transmission pipeline 22 is embedded in the top of the fixing frame 20, and the air transmission pipeline 22 is communicated with the sealing ring 21.
When the air tightness of the vortex precession flowmeter 24 needs to be detected, the user makes the first sliding frame 9 and the second sliding frame 12 close, the first sliding frame 9 and the second sliding frame 12 close to each other to make the fixed frames 20 at the left and right sides close to each other, the fixed frames 20 at the left and right sides close to each other and can be respectively sleeved on the outer walls of the inlet and outlet of the vortex precession flowmeter 24, then the user fills a proper amount of air into the sealing ring 21 through the air transmission pipeline 22, so that the sealing ring 21 can be expanded continuously, the sealing ring 21 can be contacted with the outer wall of the inlet and the outlet of the precession vortex flowmeter 24, therefore, the problem that when the airtightness of the vortex precession flowmeter 24 is detected, the airtightness of the vortex precession flowmeter 24 is not enough to hinder the airtightness detection of the vortex precession flowmeter 24, after the air tightness detection of the precession vortex flowmeter 24 is completed, the user can exhaust the air in the sealing ring 21 through the air transmission pipeline 22.
As shown in fig. 8, the fixing frame further comprises rubber pads 23, and the rubber pads 23 are arranged on the inner side walls of the fixing frame 20 on the left and right sides.
When the airtightness of the precession vortex flowmeter 24 needs to be detected, a user makes the fixing frames 20 at the left and right sides close, the fixing frames 20 at the left and right sides close to each other to make the rubber pads 23 at the left and right sides close to each other, and after the rubber pads 23 at the left and right sides close to each other and are tightly contacted with the precession vortex flowmeter 24, the contact between the fixing frames 20 at the left and right sides and the precession vortex flowmeter 24 is prevented from being not tight enough, so that inconvenience is caused to the airtightness detection of the precession vortex flowmeter 24.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (9)
1. The utility model provides a precession vortex flowmeter gas tightness detection device which characterized by: the water tank lifting mechanism comprises a water tank (1), a plug cover (2), mounting frames (3), lifting mechanisms (4) and fixing mechanisms (5), wherein the plug cover (2) is arranged on the lower portion of the side wall of the water tank (1), the mounting frames (3) are arranged on the side wall of the water tank (1) on the two sides of the plug cover (2), the lifting mechanisms (4) are arranged between the two mounting frames (3), and the fixing mechanisms (5) are arranged on the lower portion of the lifting mechanisms (4).
2. A precession vortex flowmeter airtightness testing apparatus according to claim 1, wherein: the lifting mechanism (4) comprises a first lead screw (401), a thread block (402), a first belt wheel (403), mounting plates (404), a first fixing plate (405), a connecting plate (406), a first rotating shaft (407), a second belt wheel (408), a first belt (409), a connecting block (410), a second rotating shaft (411), a straight gear (412), a third belt wheel (413), a fourth belt wheel (414), a second belt (415), a moving part and a transmission part, wherein two first lead screws (401) are arranged, the two first lead screws (401) are respectively rotatably mounted in two mounting frames (3), the thread block (402) is arranged on the upper side of the first lead screw, the first belt wheel (403) is mounted on the outer side wall of the thread block (402), the mounting plates (404) are rotatably mounted on the thread block (402) on the lower side of the first belt wheel (403), the first fixing plates (405) are respectively arranged on the inner side walls of the two mounting plates (404), a connecting plate (406) is arranged between the upper parts of the inner side walls of the two first fixing plates (405), first rotating shafts (407) are rotatably mounted on two sides of the connecting plate (406), the upper part of each first rotating shaft (407) is connected with a second belt wheel (408), a first belt (409) is wound between the adjacent second belt wheel (408) and the first belt wheel (403), connecting blocks (410) are mounted on two sides of the side wall of the connecting plate (406), the top of each connecting block (410) is rotatably connected with a second rotating shaft (411), a straight gear (412) is arranged on the upper part of each second rotating shaft (411), a third belt wheel (413) is arranged on the second rotating shaft (411) on the lower side of the straight gear (412), a fourth belt wheel (414) is mounted on the first rotating shaft (407) on the lower side of the first belt wheel (405), a second belt (415) is wound between the adjacent fourth belt wheel (414) and the third belt wheel (403), and a moving component is mounted between the outer side walls of the two first fixing plates (405), the moving part is provided with a transmission part which is connected with a first fixing plate (405) on one side.
3. A precession vortex flowmeter airtightness testing apparatus according to claim 2, wherein: the moving part comprises two fixing frames (416), two slotted frames (417), two rack frames (418), a first moving plate (419), a second lead screw (420), two first thread bushings (421), two sliding rods (422), two sliding frames (423), a first spring (424), a third lead screw (425), a second thread bushing (426), a second moving plate (427) and a second spring (428), the two fixing frames (416) are respectively connected to the upper parts of the side walls of the two first fixing plates (405), the slotted frames (417) are installed at the tops of the fixing frames (416), the sliding rack frames (418) are arranged in the slotted frames (417), the adjacent rack frames (418) are meshed with the straight gears (412), the rack frames (418) are arranged with the connecting plate (406) in a sliding manner, the first moving plate (419) is fixedly connected to the lower parts of the rack frames (418), the second lead screw (420) is rotatably installed between the two first fixing plates (405) on the lower side of the connecting plate (406), the two sides of the second lead screw (420) are respectively provided with a first threaded sleeve (421), the two first threaded sleeves (421) are respectively embedded at the lower parts of the two first moving plates (419), one side, close to the second lead screw, between the two first fixing plates (405) is provided with a sliding rod (422), the two sides of the sliding rod (422) are respectively provided with a sliding frame (423) in a sliding manner, a first spring (424) is fixedly connected between the adjacent sliding frame (423) and the rack (418), a third lead screw (425) is rotatably installed between the two first fixing plates (405) on the lower side of the second lead screw (420), the two sides of the third lead screw (425) are respectively provided with a second threaded sleeve (426), the outer side wall of the second threaded sleeve (426) is provided with a second moving plate (427), and a second spring (428) is fixedly connected between the adjacent second moving plate (427) and the sliding frame (.
4. A precession vortex flowmeter airtightness testing apparatus according to claim 2, wherein: the transmission part comprises a fifth belt wheel (429), a sixth belt wheel (430), a third belt (431), a mounting seat (432) and a first speed reducing motor (433), the fifth belt wheel (429) is connected to one end of a third screw rod, the sixth belt wheel (430) is installed at one end of the second screw rod, the sixth belt wheel (430) is located on one side of the fifth belt wheel (429), the third belt (431) is wound between the sixth belt wheel (430) and the fifth belt wheel (429), a first fixing plate (405) on one side of the upper side of the second screw rod is connected with the mounting seat (432), the mounting seat (432) is internally provided with the first speed reducing motor (433), and an output shaft of the first speed reducing motor (433) is fixedly connected with the second screw rod (420).
5. A precession vortex flowmeter airtightness testing apparatus according to claim 2, wherein: the fixing mechanism (5) comprises a sliding rail (501), a sliding block (502), a fourth screw rod (503), a clamping plate (504), a rubber plate (505), a seventh belt wheel (506), a fourth belt (507), an eighth belt wheel (508), a fifth belt (5081), an L-shaped frame (509) and a second reducing motor (510), wherein the upper side and the lower side between the two first fixing plates (405) are respectively provided with two sliding rails (501), the sliding rails (501) are internally provided with the sliding blocks (502) in a sliding manner, the fourth screw rod (503) is rotatably arranged between the upper sliding block (502) and the lower sliding block (502), the clamping plate (504) is arranged between the two corresponding fourth screw rods (503), the rubber plate (505) is arranged on the clamping plate (504), the seventh belt wheel (506) is arranged on the upper part of the fourth screw rod (503), the fourth belt (507) is wound between the two corresponding seventh belt wheels (506), the eighth belt wheel (508) is arranged at the upper end of the fourth screw rod far away from the second reducing motor (510), a fifth belt (5081) is wound between the two eighth belt wheels (508), an L-shaped frame (509) is mounted at the top of the sliding rail (501) on one side, a second speed reducing motor (510) is mounted on the L-shaped frame (509), and the lower end of an output shaft of the second speed reducing motor (510) is fixedly connected with the upper end of a fourth lead screw (503) on one side.
6. A precession vortex flowmeter airtightness testing apparatus according to claim 5, wherein: the air pump further comprises an air pump (6), a control module (61), second fixing plates (7), a conveying pipe (8), a first sliding frame (9), an air inlet pipe (10) and an air outlet part, wherein the air pump (6) is arranged on the side wall of the sliding frame (423) on one side, the control module (61) is arranged on the air pump (6), a circuit is arranged between the control module (61) and the air pump (6), two second fixing plates (7) are arranged on the side wall of the sliding frame (423) on the lower side of the air pump (6), the conveying pipe (8) is arranged between the two second fixing plates (7), one end of the conveying pipe (8) is communicated with an air outlet of the air pump (6), the other end of the conveying pipe (8) penetrates through the corresponding sliding frame (423), the first sliding frame (9) is arranged on the outer side wall of the other end of the conveying pipe (8), the air inlet pipe (10) is arranged at the other end of the conveying pipe (8), the air outlet part is arranged on the lower portion of the side wall of the sliding frame (423) far away from the first sliding frame (9), a circuit is arranged between the air outlet part and the control module (61).
7. A precession vortex flowmeter airtightness testing apparatus according to claim 6, wherein: the air outlet part comprises a contact switch (11), a second sliding frame (12), a hollow sliding plate (14), a third spring (15), a third sliding frame (16), a sliding block (17), a fourth spring (18) and a contact rod (19), the contact switch (11) is embedded at the lower part of the side wall of the sliding frame (423) far away from the first sliding frame (9), a circuit is arranged between the contact switch (11) and the control module (61), the side wall of the contact switch (11) is provided with the second sliding frame (12), the outer side wall of the second sliding frame (12) is provided with a plurality of air outlet holes (13), the second sliding frame (12) is internally provided with the hollow sliding plate (14) in a sliding manner, the third spring (15) is arranged between the hollow sliding plate (14) and the second sliding frame (12), the side wall of the second sliding frame (12) at the inner side of the third spring (15) is connected with the third sliding block (16), and the third sliding block (17) is arranged in the third sliding frame (16) in a sliding manner, a fourth spring (18) is fixedly connected between the sliding block (17) and the second sliding frame (12), a contact rod (19) is installed on the side wall of the sliding block (17) on the inner side of the fourth spring (18), and the contact rod (19) penetrates through the second sliding frame (12).
8. A precession vortex flowmeter airtightness testing apparatus according to claim 6, wherein: the sealing device is characterized by further comprising a fixing frame (20), a sealing ring (21) and a gas transmission pipeline (22), wherein the fixing frame (20) is installed on the side wall of each of the first sliding frame (9) and the second sliding frame (12), the sealing ring (21) is arranged on the inner side wall of each fixing frame (20), the gas transmission pipeline (22) is embedded in the top of each fixing frame (20), and the gas transmission pipeline (22) is communicated with the sealing ring (21).
9. A precession vortex flowmeter airtightness testing apparatus according to claim 8, wherein: the fixing frame further comprises a rubber pad (23), and the rubber pad (23) is arranged on the side wall of the fixing frame (20).
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| CN202110615085.4A CN113405732B (en) | 2021-06-02 | 2021-06-02 | Precession vortex flowmeter gas tightness detection device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114720058A (en) * | 2022-03-29 | 2022-07-08 | 浙江万丰摩轮有限公司 | Variable speed formula electricity motor housing chamber gas tightness testing arrangement that rubs |
| CN116698298A (en) * | 2023-08-08 | 2023-09-05 | 江苏润仪仪表有限公司 | Flowmeter casing tightness test device |
| CN116858443A (en) * | 2023-09-05 | 2023-10-10 | 浩立机械(烟台)有限公司 | Hydraulic cylinder tightness testing device |
| CN117470471A (en) * | 2023-12-27 | 2024-01-30 | 天津新科成套仪表有限公司 | Gas flowmeter tightness measuring device |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0569653U (en) * | 1992-02-21 | 1993-09-21 | 宝栄工業株式会社 | Leakage inspection device for airtight container |
| JPH09196729A (en) * | 1996-01-19 | 1997-07-31 | Tokico Ltd | Correlative flowmeter and vortex flowmeter |
| CN107255501A (en) * | 2017-06-06 | 2017-10-17 | 重庆川仪自动化股份有限公司 | Gas-liquid mixed streaming vortex-shedding meter demarcates detection means system and control method |
| CN107702868A (en) * | 2017-08-15 | 2018-02-16 | 沈阳航空航天大学 | A kind of brush seal experimental apparatus for capability vdiverse in function |
| CN207215191U (en) * | 2017-08-03 | 2018-04-10 | 天津市旭永诚科技有限公司 | A kind of vortex-shedding meter |
| CN207703409U (en) * | 2017-12-18 | 2018-08-07 | 玉田县华兴压铸有限公司 | A kind of air compressor cylinder cover air-tightness detection device |
| CN209927357U (en) * | 2019-05-24 | 2020-01-10 | 南京梅特朗测控仪表有限公司 | Pressure testing device of electromagnetic flowmeter |
| CN210742020U (en) * | 2020-05-13 | 2020-06-12 | 山东思达特测控设备有限公司 | Multi-aperture vortex shedding flowmeter shell pressing device |
| CN211373958U (en) * | 2019-12-16 | 2020-08-28 | 十堰平顺工贸有限公司 | Air tightness detection device for water inlet pipe assembly |
| CN212206214U (en) * | 2020-07-08 | 2020-12-22 | 江苏瑞凌自动化仪表有限公司 | Novel vortex shedding flowmeter with anti-interference function |
| CN112556804A (en) * | 2020-12-16 | 2021-03-26 | 江苏微浪电子科技有限公司 | Online calibration method for precession flowmeter |
| CN112798083A (en) * | 2021-02-05 | 2021-05-14 | 丹东意邦计量仪器仪表有限公司 | Flowmeter compressive strength and leakproofness test device |
-
2021
- 2021-06-02 CN CN202110615085.4A patent/CN113405732B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0569653U (en) * | 1992-02-21 | 1993-09-21 | 宝栄工業株式会社 | Leakage inspection device for airtight container |
| JPH09196729A (en) * | 1996-01-19 | 1997-07-31 | Tokico Ltd | Correlative flowmeter and vortex flowmeter |
| CN107255501A (en) * | 2017-06-06 | 2017-10-17 | 重庆川仪自动化股份有限公司 | Gas-liquid mixed streaming vortex-shedding meter demarcates detection means system and control method |
| CN207215191U (en) * | 2017-08-03 | 2018-04-10 | 天津市旭永诚科技有限公司 | A kind of vortex-shedding meter |
| CN107702868A (en) * | 2017-08-15 | 2018-02-16 | 沈阳航空航天大学 | A kind of brush seal experimental apparatus for capability vdiverse in function |
| CN207703409U (en) * | 2017-12-18 | 2018-08-07 | 玉田县华兴压铸有限公司 | A kind of air compressor cylinder cover air-tightness detection device |
| CN209927357U (en) * | 2019-05-24 | 2020-01-10 | 南京梅特朗测控仪表有限公司 | Pressure testing device of electromagnetic flowmeter |
| CN211373958U (en) * | 2019-12-16 | 2020-08-28 | 十堰平顺工贸有限公司 | Air tightness detection device for water inlet pipe assembly |
| CN210742020U (en) * | 2020-05-13 | 2020-06-12 | 山东思达特测控设备有限公司 | Multi-aperture vortex shedding flowmeter shell pressing device |
| CN212206214U (en) * | 2020-07-08 | 2020-12-22 | 江苏瑞凌自动化仪表有限公司 | Novel vortex shedding flowmeter with anti-interference function |
| CN112556804A (en) * | 2020-12-16 | 2021-03-26 | 江苏微浪电子科技有限公司 | Online calibration method for precession flowmeter |
| CN112798083A (en) * | 2021-02-05 | 2021-05-14 | 丹东意邦计量仪器仪表有限公司 | Flowmeter compressive strength and leakproofness test device |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114720058A (en) * | 2022-03-29 | 2022-07-08 | 浙江万丰摩轮有限公司 | Variable speed formula electricity motor housing chamber gas tightness testing arrangement that rubs |
| CN114720058B (en) * | 2022-03-29 | 2024-03-22 | 浙江万丰摩轮有限公司 | Variable speed type electric motor shell cavity gas tightness testing arrangement |
| CN116698298A (en) * | 2023-08-08 | 2023-09-05 | 江苏润仪仪表有限公司 | Flowmeter casing tightness test device |
| CN116698298B (en) * | 2023-08-08 | 2023-10-20 | 江苏润仪仪表有限公司 | Flowmeter casing tightness test device |
| CN116858443A (en) * | 2023-09-05 | 2023-10-10 | 浩立机械(烟台)有限公司 | Hydraulic cylinder tightness testing device |
| CN116858443B (en) * | 2023-09-05 | 2023-11-24 | 浩立机械(烟台)有限公司 | Hydraulic cylinder tightness testing device |
| CN117470471A (en) * | 2023-12-27 | 2024-01-30 | 天津新科成套仪表有限公司 | Gas flowmeter tightness measuring device |
| CN117470471B (en) * | 2023-12-27 | 2024-03-22 | 天津新科成套仪表有限公司 | Gas flowmeter tightness measuring device |
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