CN113405732B - Precession vortex flowmeter gas tightness detection device - Google Patents
Precession vortex flowmeter gas tightness detection device Download PDFInfo
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- CN113405732B CN113405732B CN202110615085.4A CN202110615085A CN113405732B CN 113405732 B CN113405732 B CN 113405732B CN 202110615085 A CN202110615085 A CN 202110615085A CN 113405732 B CN113405732 B CN 113405732B
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- 238000001514 detection method Methods 0.000 title claims abstract description 40
- 230000007246 mechanism Effects 0.000 claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000007789 sealing Methods 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 12
- 230000003028 elevating effect Effects 0.000 abstract description 10
- 230000009467 reduction Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Classifications
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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 a device for detecting the air tightness of a precession vortex flowmeter. The technical problems of the invention are as follows: provided is a vortex precession flowmeter air tightness detection device capable of avoiding detection errors and improving detection efficiency. The technical scheme is as follows: the utility model provides a precession vortex flowmeter gas tightness detection device, includes water tank, cock cap, mounting bracket and elevating system, and the lateral wall lower part of water tank is provided with the cock cap, and the water tank lateral wall of cock cap 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 provided by the invention can limit the vortex flowmeter, the lifting mechanism can work to enable the fixing mechanism to dip the vortex flowmeter into water for air tightness detection, so that the vortex flowmeter can be prevented from falling down in the water directly, so that extremely tiny leakage points cannot be detected, and the air tightness result after detection is inaccurate.
Description
Technical Field
The invention relates to a detection device, in particular to a device for detecting the air tightness 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 the main technical index reaches the advanced level of similar products abroad.
Because the vortex flowmeter has very high requirement on air tightness, after the vortex flowmeter is produced, the vortex flowmeter can be subjected to air tightness detection, in the prior art, when the vortex flowmeter is subjected to air tightness detection, an inlet and an outlet of the vortex flowmeter are usually sealed, then the vortex flowmeter is put into water, whether the air tightness of the vortex flowmeter is qualified is judged by observing whether bubbles exist at an interface of the vortex flowmeter, and after the vortex flowmeter is put into water, the vortex flowmeter is not fixed and limited, so that the vortex flowmeter can drop downwards under the action of gravity, so that tiny leakage points cannot be detected, the detected air tightness result is inaccurate, in addition, the vortex flowmeter is directly put into water to carry out air tightness detection, the detection process of the vortex flowmeter is longer, and the detection efficiency of the vortex flowmeter can be reduced.
Therefore, it is necessary to develop a device for detecting the air tightness of a precession vortex flowmeter, which can avoid detection errors and improve detection efficiency.
Disclosure of Invention
In order to overcome the defect that the precession vortex flowmeter falls downwards in water to cause the condition that an extremely tiny leakage point cannot be detected, the detected air tightness result is inaccurate, the time consumption of the process of putting the precession vortex flowmeter into water for detection is long, and the detection efficiency is reduced, the technical problem of the invention is that: provided is a vortex precession flowmeter air tightness detection device capable of avoiding detection errors and improving detection efficiency.
The technical scheme of the invention is as follows: the utility model provides a precession vortex flowmeter gas tightness detection device, includes water tank, cock cap, mounting bracket, elevating system and fixed establishment, and the lateral wall lower part of water tank is provided with the cock cap, and the water tank lateral wall of cock cap 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 the fixed establishment that can precession vortex flowmeter is spacing.
In addition, particularly preferred, elevating system is including first lead screw, the screw thread piece, first band pulley, the mounting panel, first fixed plate, the connecting plate, first pivot, the second band pulley, first belt, the connecting block, the second pivot, the spur gear, the third band pulley, the fourth band pulley, the second belt, remove parts and drive unit, first lead screw is equipped with two, two first lead screws are installed in two mounting brackets in the rotation mode respectively, the upside of first lead screw is provided with the screw thread piece, first band pulley is installed to the lateral wall of screw thread piece, the mounting panel is installed to the screw thread piece rotation type of first band pulley downside, the inside wall of two mounting panels all is provided with first fixed plate, be provided with the connecting plate between the inside wall upper portion of two first fixed plates, the first pivot is all installed in the rotation of both sides of connecting plate, the upper portion of first pivot is connected with the second band pulley, wind first belt between adjacent second band pulley and the first band pulley, the connecting block is all installed to the lateral wall both sides of connecting plate, the top rotation is connected with the second pivot, the upper portion of second band pulley is provided with the spur gear, the first band pulley is installed to the second band pulley, the second band pulley is installed to the second rotation part is installed to the second band pulley, the second band pulley is connected with the first part between the first band pulley and the first part, the drive unit is installed to the second band pulley.
In addition, it is particularly preferred that the moving part comprises a fixing frame, a groove-shaped frame, a rack frame, a first moving plate, a second screw rod, a first thread bush, a sliding rod, a sliding frame, a first spring, a third screw rod, a second thread bush, a second moving plate and a second spring, wherein the fixing frame is provided with two fixing frames, the two fixing frames are respectively connected to the upper parts of the side walls of the two first fixing plates, the groove-shaped frame is installed at the top of the fixing frame, the rack frame is arranged in the groove-shaped frame in a sliding mode, the adjacent rack frame is meshed with a straight gear, the rack frame is arranged in a sliding mode with a connecting plate, the first moving plate is fixedly connected to the lower part of the rack frame, the second screw rod is rotatably installed between the two first fixing plates at the lower side of the connecting plate, the first thread bush is arranged at the two sides of the second screw rod, the sliding rod is embedded at the lower parts of the two first moving plates respectively, the sliding rod is arranged at one side of the two first fixing plates, the sliding frames are respectively arranged at the two sides of the sliding rod, the first spring is fixedly connected between the adjacent rack frame and the rack frame, the second screw rod is fixedly connected to the first spring is arranged between the adjacent rack frame, the second screw rod is fixedly connected to the second screw rod is fixedly arranged between the second side of the second moving plate, the second screw rod is fixedly connected to the second screw rod and the second screw rod, and the second screw rod is rotatably arranged at the lower side and fixedly arranged between the second screw rod and the second screw rod.
In addition, it is particularly preferred that the transmission part comprises a fifth belt wheel, a sixth belt wheel, a third belt, a mounting seat and a first gear motor, wherein the fifth belt wheel is connected with one end of a third screw rod, the sixth belt wheel is mounted at one end of a second screw rod, the sixth belt wheel is positioned at one side of the fifth belt wheel, the third belt is wound between the sixth belt wheel and the fifth belt wheel, the mounting seat is connected with a first fixing plate at one side of the upper side of the second screw rod, the first gear motor is arranged in the mounting seat, and an output shaft of the first gear motor is fixedly connected with the second screw rod.
In addition, it is particularly preferred that the fixing mechanism comprises a sliding rail, sliding blocks, a fourth lead screw, a clamping plate, a rubber plate, a seventh belt wheel, a fourth belt, an eighth belt wheel, a fifth belt wheel, an L-shaped frame and a second gear motor, wherein two sliding rails are arranged on the upper side and the lower side between the two first fixing plates, the sliding blocks are arranged in the sliding rail in a sliding manner, the fourth lead screw is rotatably arranged between the upper sliding blocks and the lower sliding blocks, the clamping plate is arranged between the two corresponding fourth lead screws, the rubber plate is arranged on the clamping plate, the seventh belt wheel is arranged on the upper portion of the fourth lead screw, the fourth belt wheel is wound between the two corresponding seventh belt wheels, the eighth belt wheel is arranged on the upper end of the fourth lead screw far away from the second gear motor, the fifth belt is wound between the two eighth belt wheels, the L-shaped frame is arranged on the top of one side of the sliding rail, the second gear motor is arranged on the L-shaped frame, and the lower end of the output shaft of the second gear motor is fixedly connected with the upper end of the fourth lead screw on one side.
In addition, particularly preferred is, still include air pump, control module, the second fixed plate, the conveyer pipe, first sliding frame, intake pipe and part of giving vent to anger, the carriage lateral wall in 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 and the gas outlet intercommunication of air pump of conveyer pipe, the carriage that corresponds is passed to the other end of conveyer pipe, 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 that keeps 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 preferred that the air outlet component comprises 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, wherein 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 on the inner side of the third spring is connected with the third sliding frame, the sliding block is arranged in the third sliding frame, the fourth spring is fixedly connected between the sliding block and the second sliding frame, the contact rod is arranged on the side wall of the sliding block on the inner side of the fourth spring, and the contact rod penetrates through the second sliding frame.
In addition, particularly preferred is, still including fixed frame, sealing washer and gas transmission pipeline, 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 communicates with the sealing washer.
In addition, it is particularly preferable that a rubber pad is further included, and a rubber pad is provided on a side wall of the fixing frame.
The invention has the following advantages:
1. The fixing mechanism provided by the invention can limit the precession vortex flowmeter, the lifting mechanism can work to 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 falling down in the water directly, so that 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 the air in the precession vortex flowmeter flows out, a large amount of bubbles can be generated, so that the air tightness detection of the precession vortex flowmeter can be accelerated, and the efficiency of the air tightness detection 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 gaps are formed between the precession vortex flowmeter and the fixed frame, and inconvenience is caused to the air tightness detection of the precession vortex flowmeter.
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 screw of the present invention.
Fig. 4 is a schematic perspective view of a second pulley according to the present invention.
Fig. 5 is a schematic view of a partial perspective structure of the present invention.
Fig. 6 is a schematic perspective view of the 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 a hollow sliding plate according to the present invention.
Fig. 11 is a schematic perspective view of a third sliding frame according to the present invention.
In the above figures: 1-water tank, 2-plug, 3-mounting rack, 4-lifting mechanism, 401-first screw, 402-screw block, 403-first pulley, 404-mounting board, 405-first fixed plate, 406-connecting plate, 407-first rotating shaft, 408-second pulley, 409-first belt, 410-connecting block, 411-second rotating shaft, 412-spur gear, 413-third pulley, 414-fourth pulley, 415-second belt, 416-fixing rack, 417-groove rack, 418-rack, 419-first moving plate, 420-second screw, 421-first screw bush, 422-sliding rod, 423-sliding rack, 424-first spring, 425-third screw, 426-second screw bush, 427-second moving plate, 428-second spring, 429-fifth pulley, 430-sixth pulley, 431-third belt, 432-mount, 433-first reduction motor, 5-fixing mechanism, 501-slide rail, 502-slide block, 503-fourth screw, 504-clamping plate, 505-rubber plate, 506-seventh pulley, 507-fourth belt, 508-eighth pulley, 5081-fifth belt, 509-L-shaped frame, 510-second reduction motor, 6-air pump, 61-control module, 7-second fixing plate, 8-conveying pipe, 9-first slide frame, 10-air inlet pipe, 11-contact switch, 12-second slide frame, 13-air outlet hole, 14-hollow slide plate, 15-third springs, 16-third sliding frames, 17-sliding blocks, 18-fourth springs, 19-contact rods, 20-fixed frames, 21-sealing rings, 22-gas transmission pipelines, 23-rubber pads and 24-precession vortex flowmeter.
Detailed Description
The invention will be further described with reference to specific examples, illustrative examples and illustrations of which are provided herein to illustrate the invention, but 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 fig. 1, including water tank 1, cock 2, mounting bracket 3, elevating system 4 and fixed establishment 5, the left side downside of the preceding lateral wall of water tank 1 is provided with cock 2, and the lower part of the left and right sides wall of water tank 1 all is provided with mounting bracket 3, is provided with elevating system 4 between controlling two mounting brackets 3, and elevating system 4's inboard lower part is provided with fixed establishment 5.
When the air tightness of the vortex flowmeter 24 is required 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 flowmeter 24, then the user limits the vortex 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 flowmeter 24 to move downwards, when the vortex flowmeter 24 moves downwards into water in the water tank 1, at the moment, the interface of the vortex flowmeter 24 is observed to have air bubbles, when the air bubbles appear at the interface of the vortex flowmeter 24, the air tightness of the vortex flowmeter 24 can be judged to be unqualified, when the air bubbles do not appear at the interface of the vortex flowmeter 24, then the user enables the lifting mechanism 4 to reset, so that the fixing mechanism 5 moves upwards to reset, then the user operates the fixing mechanism 5 to release the limit of the vortex flowmeter 24, and take out the vortex flowmeter, and then the user repeats the operation to detect the air tightness of the next vortex flowmeter 24.
Example 2
On the basis of embodiment 1, as shown in fig. 2-6, elevating system 4 includes first lead screw 401, screw thread piece 402, first band pulley 403, mounting panel 404, first fixed plate 405, connecting plate 406, first pivot 407, second band pulley 408, first belt 409, connecting block 410, second pivot 411, spur gear 412, third band pulley 413, fourth band pulley 414, second belt 415, moving part and driving part, first lead screw 401 is equipped with two, two first lead screw 401 are installed in two mounting frames 3 in the rotation mode respectively, the upside of first lead screw is provided with screw thread piece 402, first band pulley 403 is installed to the lateral wall of screw thread piece 402, mounting panel 404 is installed to screw thread piece 402 of first band pulley 403 downside, be provided with first fixed plate 405 between the inside wall upper portion of left and right two first fixed plates 405, connecting plate 406 both the left and right sides are installed in the rotation mode, the upper portion of first pivot 407 is connected with second band pulley 408, the right side upper portion of connecting plate 412 is installed around the second band pulley 411 between the second adjacent second band pulley 403 and the right side upper portion of connecting plate 403, the right side wall upper portion is installed around the second band pulley 411 is installed to the right side upper portion of connecting plate 406, the right side upper portion is connected with the second band pulley 411, the right side upper portion of connecting plate 411 is installed around the second band pulley 411, the right side upper portion is installed around the second link plate 411 is installed around the second side upper portion of the second link plate 411, the right side of connecting plate is installed around the second link plate 405, the right side upper portion of the right side of connecting plate 405, the right side is provided with the right fixed plate 405, the right link plate connecting plate between the inside.
When the air tightness of the vortex flowmeter 24 is required to be detected, the user limits the vortex flowmeter 24 through the fixing mechanism 5, then starts the driving part to work, the driving part to work can make the moving part to work, the moving part to work can make the spur gears 412 on the left side and the right side rotate, the spur gears 412 rotate to make the third belt pulley 413 rotate, the third belt pulley 413 rotates to make the fourth belt pulley 414 rotate through the second belt 415, the fourth belt pulley 414 rotates to make the second belt pulley 408 rotate through the first rotating shaft 407, the second belt pulley 408 rotates to make the first belt pulley 403 rotate through the first belt 409, the first belt pulley 403 rotates to make the thread block 402 rotate, the thread block 402 moves downwards, the part on the thread block 402 moves downwards, so that the fixing mechanism 5 moves downwards, the vortex flowmeter 24 moves downwards to be placed in water, the air tightness of the vortex flowmeter 24 is detected, after the vortex flowmeter 24 is detected, the user moves the fixing mechanism 5 upwards, and resets the driving mechanism 401 to take out the vortex flowmeter 24 from the user.
As shown in fig. 5 and 6, the moving component includes a fixing frame 416, a groove-shaped frame 417, a rack 418, a first moving plate 419, a second lead screw 420, a first threaded sleeve 421, a sliding rod 422, a sliding frame 423, a first spring 424, a third lead screw 425, a second threaded sleeve 426, a second moving plate 427 and a second spring 428, where the fixing frame 416 is provided with two fixing frames 416 respectively connected to the upper parts of the outer side walls of the two first fixing plates 405, the top of the fixing frame 416 is provided with the groove-shaped frame 417, the rack 418 is slidably disposed in the groove-shaped frame 417, the rack 418 is meshed with the straight gear 412, the rack 418 is slidably disposed with the connecting plate 406, the first moving plate 419 is fixedly connected to the lower part of the rack 418, the first threaded sleeve 421 is rotatably disposed between the two first fixing plates 405 on the lower side of the connecting plate 406, the first threaded sleeve 421 is disposed on the left and the right sides of the second lead screw 420, the two first threaded sleeve 421 is embedded in the lower parts of the left and the right two first fixing plates respectively, the rack 417 is disposed between the two first fixing plates 405 and the second threaded sleeve 422 is disposed between the second threaded sleeve 423 and the second threaded sleeve 422 is fixedly connected to the second lead screw 420 on the right side, the second threaded sleeve 423 is disposed between the second threaded sleeve 422 is rotatably disposed between the second slide plate 422 and the second threaded sleeve is fixedly disposed between the second threaded sleeve 420, and the second threaded sleeve is fixedly disposed between the second threaded sleeve 423 and the second threaded sleeve.
When the air tightness of the vortex flowmeter 24 is required to be detected, the user limits the vortex flowmeter 24 by the fixing mechanism 5 and makes the transmission part work, the transmission part work can make the second lead screw 420 and the third lead screw 425 rotate clockwise, as 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 that the first screw sleeves 421 on the left side and the right side are close, the second screw sleeves 426 on the left side and the right side are also close, the first screw sleeves 421 on the left side and the right side are close, the second screw sleeves 426 on the left side and the right side are close, so that the left rack 418 and the right rack 418 are close, the straight gears 412 on the left side and the right side are rotated, so that the fixing mechanism 5 moves downwards to detect the air tightness of the vortex flowmeter 24, after the air tightness of the vortex flowmeter 24 is detected, the user makes the second lead screw 420 and the third lead screw 425 rotate anticlockwise, so that the fixing mechanism 5 moves upwards, the second screw sleeves 426 are close, the parts on the right side and the second screw sleeves 426 are close, and then the transmission mechanism is closed, and the vortex flowmeter 24 is taken out from the vortex flowmeter is fixed.
As shown in fig. 5 and 6, the transmission member includes a fifth belt pulley 429, a sixth belt pulley 430, a third belt 431, a mounting seat 432 and a first gear motor 433, wherein the fifth belt pulley 429 is connected to the right end of the third screw rod, the sixth belt pulley 430 is mounted on the right portion of the second screw rod, the sixth belt pulley 430 is located right above the fifth belt pulley 429, the third belt 431 is wound between the sixth belt pulley 430 and the fifth belt 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 rod, the first gear motor 433 is arranged in the mounting seat 432, and the left end of the output shaft of the first gear motor 433 is fixedly connected to the right end of the second screw rod 420.
When the air tightness of the vortex flowmeter 24 is required to be detected, the user limits the vortex flowmeter 24 by the fixing mechanism 5, then starts the first gear motor 433 to enable the second screw 420 to rotate clockwise, the second screw 420 rotates clockwise to enable the sixth belt wheel 430 to rotate clockwise, the sixth belt wheel 430 rotates clockwise to enable the fifth belt wheel 429 to rotate clockwise by the third belt 431, the fifth belt wheel 429 rotates clockwise to enable the third screw 425 to rotate clockwise, the fixing mechanism 5 can be moved downwards, the vortex flowmeter 24 is placed in water to detect the air tightness of the vortex flowmeter 24, after the air tightness detection of the vortex flowmeter 24 is completed, the user rotates the second screw 420 anticlockwise by the first gear motor 433, the fixing mechanism 5 can be moved upwards, after the fixing mechanism 5 moves upwards to reset, the user turns off the first gear motor 433, and then the user takes the vortex flowmeter 24 out of the fixing mechanism 5.
As shown in fig. 2 and 7, the fixing mechanism 5 includes a slide rail 501, a slide block 502, a fourth screw rod 503, a clamping plate 504, a rubber plate 505, a seventh belt pulley 506, a fourth belt 507, an eighth belt pulley 508, a fifth belt 5081, an L-shaped frame 509, and a second gear motor 510, two slide rails 501 are provided on the upper and lower sides between the left and right first fixing plates 405, the slide block 502 is slidably provided in the slide rail 501, the fourth screw rod 503 is rotatably mounted between the upper and lower slide blocks 502, the clamping plate 504 is provided on the upper and lower sides between the front and rear two fourth screw rods 503, the rubber plate 505 is provided on the inner side of the clamping plate 504 on the upper and lower sides, the seventh belt pulley 506 is mounted on the upper portion of the fourth screw rod 503, the fourth belt pulley 507 is wound between the front and rear two seventh belt pulleys 506, the fifth belt 5081 is wound between the left and right eighth belt pulleys 508, the L-shaped frame 509 is mounted on the top of the slide rail 501 on the front upper side, the L-shaped motor 509 is mounted on the second gear motor output shaft 510 is mounted on the front and lower side of the fourth screw rod 510 is fixedly connected.
When it is necessary to perform airtight detection on the swirl flow meter 24, the user activates the second speed reduction motor 510 to rotate the left front side fourth screw 503 clockwise, the left front side fourth screw 503 rotates clockwise to rotate the left front side seventh pulley 506 clockwise, the left rear side seventh pulley 506 rotates clockwise via the left side fourth belt 507, the left rear side fourth screw 503 rotates clockwise to rotate the left eighth pulley 508 clockwise, the right side eighth pulley 508 rotates clockwise via the fifth belt 5081, the right rear side fourth screw 503 rotates clockwise to rotate the right rear side seventh pulley 506 clockwise via the right side fourth belt 507, the clockwise rotation of the seventh belt wheel 506 at the right front side can make the fourth screw rod 503 at the right front side rotate clockwise, because the threads on the upper side and the lower side of the fourth screw rod 503 are opposite, the clamping plates 504 on the upper side and the lower side can be kept away from each other, then the user places the precession vortex flowmeter 24 between the two rubber plates 505 on the lower side, then the user starts the second gear motor 510 to make the fourth screw rod 503 at the left front side rotate anticlockwise, so that the clamping plates 504 on the upper side and the lower side can be close to each other, thereby limiting and fixing the precession vortex flowmeter 24, the contact area between the rubber plates 505 and the precession vortex flowmeter 24 can be larger, thus the fixation of the precession vortex flowmeter 24 can be more stable, thus the air tightness detection of the precession vortex flowmeter 24 can be facilitated, the user starts the second gear motor 510 to rotate the fourth screw rod 503 on the left front side clockwise, so that the clamping plates 504 on the upper side and the lower side are separated, limiting fixation of the vortex flowmeter 24 can be released, and then the user can take out the vortex flowmeter.
Example 3
On the basis of embodiment 2, as shown in fig. 8-11, the air pump device further comprises an air pump 6, a control module 61, a second fixing plate 7, a conveying pipe 8, a first sliding frame 9, an air inlet pipe 10 and an air outlet component, wherein the air pump 6 is arranged on the right side wall of a sliding frame 423 on the right 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 right side wall of the sliding frame 423 on the right side, the conveying pipe 8 is arranged between the two second fixing plates 7, one end of the conveying pipe 8 is communicated with the air outlet of the air pump 6, the other end of the conveying pipe 8 penetrates through the sliding frame 423 on the right side, 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 on the other end of the conveying pipe 8, the air outlet component is arranged on the lower portion of the sliding frame 423 on the left side, and the circuit is arranged between the air outlet component and the control module 61.
When the air tightness of the vortex flowmeter 24 is required to be detected, the user rotates the second screw 420 and the third screw 425 clockwise, the first screw sleeve 421 at the left side and the second screw sleeve 426 at the right side can be made to be close together, the parts on the first screw sleeve 421 at the left side and the second screw sleeve 426 at the right side can be made to be close together, the sliding frames 423 at the left side and the right side can be made to be close together, the first sliding frame 9 and the air outlet part can be made to be close together, the inlet and outlet of the vortex flowmeter 24 can be sealed respectively through the close together of the first sliding frame 9 and the air outlet part, then the user starts the air pump 6 to work, the air pump 6 can be used for extracting outside air and pushing the conveying pipe 8, when the air in the vortex flowmeter 24 reaches a certain amount, the air outlet part works to close the air pump 6, when the air in the vortex flowmeter 24 runs out, the air in the water continuously can be blown out, the vortex flowmeter 24 can be judged to be unqualified, and then the vortex flowmeter 24 can be moved upwards by resetting the vortex flowmeter.
As shown in fig. 9-11, the air outlet component 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, wherein the contact switch 11 is embedded at the lower part of a sliding frame 423 on the left side, a circuit is arranged between the contact switch 11 and a 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 arranged in the second sliding frame 12 in a sliding manner, the third spring 15 is arranged between the hollow sliding plate 14 and the second sliding frame 12, the second sliding frame 12 on the inner side of the third spring 15 is connected with the third sliding frame 16, the sliding block 17 is fixedly connected between the sliding block 17 and the second sliding frame 12, the right side wall of the sliding block 17 on the inner side of the fourth spring 18 is provided with the contact rod 19, and the left end of the contact rod 19 passes through the second sliding frame 12.
When the air tightness of the vortex flowmeter 24 is required to be detected, the sliding frames 423 on the left side and the right side are close to each other, the first sliding frame 9 and the second sliding frame 12 are close to each other, the inlet and outlet of the vortex flowmeter 24 can be sealed respectively, then air is pushed into the vortex flowmeter 24 through the air pump 6, along with the continuous increase of the air in the vortex flowmeter 24, when the air in the vortex flowmeter 24 reaches a certain amount, the air in the vortex flowmeter 24 can push the hollow sliding plate 14 to move leftwards, the third spring 15 compresses along with the hollow sliding plate 14, the sliding block 17 can move leftwards, the fourth spring 18 compresses along with the sliding plate, the sliding block 17 moves leftwards, the contact rod 19 moves leftwards, the contact switch 11 can touch the contact switch 11, the information feedback control module 61 along with the contact switch, the air pump 6 is closed along with the air pump 6, and meanwhile, the redundant air in the vortex flowmeter 24 flows out along with the air outlet 13 along with the contact switch, the air in the vortex flowmeter 24 can restore the vortex flowmeter 24 to the left under the action of the fourth spring 18, the vortex flowmeter can restore the air in the vortex flowmeter 24 to the left, and the air meter can restore the vortex 24 to the air flow to the right, and the air meter is restored to the right, and the air meter can be restored to the qualified, and the air meter can be judged to the qualified.
Example 4
On the basis of embodiment 3, as shown in fig. 8, the device further comprises a fixed frame 20, a sealing ring 21 and a gas pipeline 22, wherein the inner side walls of the first sliding frame 9 and the second sliding frame 12 are respectively provided with the fixed frame 20, the inner side walls of the left fixed frame 20 and the right fixed frame 20 are respectively provided with the sealing ring 21, the top of the fixed frame 20 is embedded with the gas pipeline 22, and the gas pipeline 22 is communicated with the sealing rings 21.
When the airtight detection of the vortex flowmeter 24 is required, the user brings the first sliding frame 9 and the second sliding frame 12 together, the first sliding frame 9 and the second sliding frame 12 together can bring the fixed frames 20 on the left side and the right side together, the fixed frames 20 on the left side and the right side can be respectively sleeved on the outer walls of the inlet and the outlet of the vortex flowmeter 24, then the user fills proper amount of gas into the sealing ring 21 through the gas pipeline 22, so that the sealing ring 21 can be continuously expanded, the sealing ring 21 can be continuously expanded to be in close contact with the outer walls of the inlet and the outlet of the vortex flowmeter 24, the defect that the tightness of the inlet and the outlet of the vortex flowmeter 24 is insufficient when the airtight detection of the vortex flowmeter 24 is carried out can be avoided, and after the airtight detection of the vortex flowmeter 24 is completed, the user can discharge the air in the sealing ring 21 through the gas pipeline 22.
As shown in fig. 8, the fixing frame further comprises a rubber pad 23, and the rubber pads 23 are arranged on the inner side walls of the fixing frame 20 on the left side and the right side.
When the air tightness detection needs to be performed on the vortex precession flowmeter 24, the user brings the fixing frames 20 on the left and right sides together, the fixing frames 20 on the left and right sides can bring the rubber pads 23 on the left and right sides together, and after the rubber pads 23 on the left and right sides are brought into close contact with the vortex precession flowmeter 24, the problem that the contact between the fixing frames 20 on the left and right sides and the vortex precession flowmeter 24 is not tight enough can be avoided, and inconvenience is caused to the air tightness detection of the vortex precession 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 spirit of the present invention.
Claims (5)
1. The utility model provides a precession vortex flowmeter gas tightness detection device which characterized in that: the water tank 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 at the lower part of the side wall of the water tank (1), the mounting frames (3) are arranged on the side walls of the water tank (1) at 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 at the lower parts of the lifting mechanisms (4);
The lifting mechanism (4) comprises a first lead screw (401), threaded blocks (402), first pulleys (403), mounting plates (404), first fixed plates (405), connecting plates (406), a first rotating shaft (407), second pulleys (408), first belts (409), connecting blocks (410), a second rotating shaft (411), spur gears (412), third pulleys (413), fourth pulleys (414), second belts (415), moving parts and transmission parts, wherein the first lead screw (401) is provided with two, the two first lead screws (401) are respectively rotatably mounted in two mounting frames (3), the upper side of each first lead screw is provided with a threaded block (402), the outer side wall of each threaded block (402) is provided with a first pulley (403), the threaded blocks (402) at the lower side of each first pulley (403) are rotatably mounted with the mounting plates (404), the inner side walls of the two mounting plates (404) are respectively provided with the first fixed plates (405), the connecting plates (406) are arranged between the upper parts of the inner side walls of the two first fixed plates (405), the two sides of each connecting plate (406) are respectively rotatably mounted with the first rotating shaft (407), the upper parts of the first pulleys (403) are connected with the adjacent first pulleys (408), connecting blocks (410) are arranged on two sides of the side wall of each 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 each spur gear (412), a fourth belt wheel (414) is arranged on the first rotating shaft (407) on the lower side of each first belt wheel (403), a second belt (415) is wound between each adjacent fourth belt wheel (414) and each third belt wheel (413), a moving part is arranged between the outer side walls of the two first fixing plates (405), and a transmission part is arranged on each moving part and connected with one side of each first fixing plate (405);
The moving part comprises a fixing frame (416), a groove-shaped frame (417), a rack frame (418), a first moving plate (419), a second lead screw (420), a first thread sleeve (421), a sliding rod (422), a sliding frame (423), a first spring (424), a third lead screw (425), a second thread sleeve (426), a second moving plate (427) and a second spring (428), wherein the two fixing frames (416) are respectively connected to the upper parts of the side walls of the two first fixing plates (405), the groove-shaped frame (417) is arranged at the top of the fixing frame (416), the rack frame (418) is arranged in the groove-shaped frame (417) in a sliding manner, the adjacent rack frame (418) is meshed with a straight gear (412), the rack frame (418) is arranged with the connecting plate (406) in a sliding manner, the second lead screw (420) is rotatably arranged between the two first fixing plates (405) at the lower part of the lower side of the connecting plate (406), the first thread sleeve (421) is respectively arranged at the two sides of the second lead screw (420), the two first thread sleeves (421) are respectively embedded between the two first lead screws (422) and the two lead screws (405) are arranged at the lower parts of the sliding plate (422), the sliding frames (423) are arranged on two sides of the sliding rod (422) in a sliding mode, a first spring (424) is fixedly connected between each adjacent sliding frame (423) and each adjacent sliding frame (418), a third screw rod (425) is rotatably arranged between two first fixing plates (405) on the lower side of each second screw rod (420), second thread sleeves (426) are arranged on two sides of each third screw rod (425), a second movable plate (427) is arranged on the outer side wall of each second thread sleeve (426), and a second spring (428) is fixedly connected between each adjacent second movable plate (427) and each sliding frame (423);
The transmission component comprises a fifth belt wheel (429), a sixth belt wheel (430), a third belt (431), a mounting seat (432) and a first gear motor (433), wherein the fifth belt wheel (429) is connected to one end of a third screw rod, the sixth belt wheel (430) is arranged at one end of a second screw rod, the sixth belt wheel (430) is positioned at 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), the mounting seat (432) is connected to a first fixing plate (405) at one side of the upper side of the second screw rod, a first gear motor (433) is arranged in the mounting seat (432), and an output shaft of the first gear motor (433) is fixedly connected with the second screw rod (420);
The fixing mechanism (5) comprises a sliding rail (501), sliding blocks (502), a fourth lead screw (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 gear motor (510), wherein the sliding rails (501) are arranged on the upper side and the lower side between the two first fixing plates (405), the sliding blocks (502) are arranged in the sliding rail (501) in a sliding manner, the fourth lead screw (503) is rotatably arranged between the upper sliding blocks and the lower sliding blocks (502), the clamping plate (504) is arranged between the two corresponding fourth lead screws (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 lead screw (503), the eighth belt wheel (508) is arranged between the two corresponding seventh belt wheels (506), the eighth belt wheel (508) is arranged on the upper end of the fourth lead screw far away from the second gear motor (510), the fifth belt (5081) is arranged between the two eighth belt wheels (508), the sliding rail (509) is arranged on one side of the fifth belt (509), the L-shaped frame (509) is arranged on the top of the second gear motor (509), the lower end of the output shaft of the second gear motor (510) is fixedly connected with the upper end of the fourth screw rod (503) at one side.
2. The air tightness detection device of a precession vortex flowmeter according to claim 1, wherein: still including air pump (6), control module (61), second fixed plate (7), conveyer pipe (8), first sliding frame (9), intake pipe (10) and part of giving vent to anger, the carriage (423) lateral wall in one 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 air pump (6), two second fixed plates (7) are installed to carriage (423) lateral wall of air pump (6) downside, be provided with conveyer pipe (8) between two second fixed plates (7), the one end of conveyer pipe (8) communicates with the gas outlet of air pump (6), carriage (423) that correspond are passed to the other end of conveyer pipe (8), first sliding frame (9) are installed to the other end lateral wall of conveyer pipe (8), intake pipe (10) are installed to the other end of conveyer pipe (8), carriage (423) lateral wall lower part of keeping away from first sliding frame (423) is provided with the part of giving vent to anger, be equipped with the circuit between part of giving vent to anger and control module (61).
3. The air tightness detection device of a precession vortex flowmeter according to claim 2, wherein: the air outlet component 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), wherein 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 a 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 hollow sliding plate (14) is 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 side wall of the second sliding frame (12) at the inner side of the third spring (15) is connected with the third sliding frame (16), the sliding block (17) is 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), and the fourth spring (18) penetrates through the contact rod (19) and the inner side wall of the second sliding frame (19).
4. The air tightness detection device of a precession vortex flowmeter according to claim 2, wherein: the novel air delivery device is characterized by further comprising a fixed frame (20), a sealing ring (21) and an air delivery pipeline (22), wherein the fixed frame (20) is arranged on the side walls of the first sliding frame (9) and the second sliding frame (12), the sealing ring (21) is arranged on the inner side wall of the fixed frame (20), the air delivery pipeline (22) is embedded in the top of the fixed frame (20), and the air delivery pipeline (22) is communicated with the sealing ring (21).
5. The device for detecting the air tightness of the precession vortex flowmeter according to claim 4, wherein: the fixing frame also comprises a rubber pad (23), and the side wall of the fixing frame (20) is provided with the rubber pad (23).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN116698298B (en) * | 2023-08-08 | 2023-10-20 | 江苏润仪仪表有限公司 | Flowmeter casing tightness test device |
| CN116858443B (en) * | 2023-09-05 | 2023-11-24 | 浩立机械(烟台)有限公司 | Hydraulic cylinder tightness testing 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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