CN116296111A - Pressure vessel gas tightness testing arrangement - Google Patents
Pressure vessel gas tightness testing arrangement Download PDFInfo
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- CN116296111A CN116296111A CN202310537614.2A CN202310537614A CN116296111A CN 116296111 A CN116296111 A CN 116296111A CN 202310537614 A CN202310537614 A CN 202310537614A CN 116296111 A CN116296111 A CN 116296111A
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- 238000012360 testing method Methods 0.000 title claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims description 17
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 12
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 12
- 241001330002 Bambuseae Species 0.000 claims description 12
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 12
- 239000011425 bamboo Substances 0.000 claims description 12
- 210000000078 claw Anatomy 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000004880 explosion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003466 welding 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
- G01M3/10—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 for containers, e.g. radiators
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Abstract
The invention discloses a pressure container air tightness testing device, which belongs to the technical field of air tightness testing equipment and comprises a main body component, a linkage component, a positioning component and an inflation component, wherein the main body component is used for fixing a pressure container in the circumferential direction, the linkage component is arranged on the main body component, the linkage component is connected with the main body component, the linkage component is used for fixing the pressure container in the axial direction, the positioning component is arranged on the main body component, the positioning component is used for limiting the pressure container in a fixed position, the inflation component is arranged above the main body component, the inflation component is used for realizing automatic connection with a flange hole, and meanwhile, the inflation component is separated from the flange hole when the pressure exceeds a preset value.
Description
Technical Field
The invention relates to the technical field of air tightness detection equipment, in particular to an air tightness testing device for a pressure container.
Background
The airtight test is one of compactness tests using a gas as a pressurizing medium to prevent leakage of the pressure vessel. The traditional air tightness test requires that a worker manually connects the pressure container to the air pump, simultaneously smears soapy water at the welding seam, injects dry inert gas into the container, and currently, the process totally requires manual operation, and is time-consuming and labor-consuming. The technical scheme of the invention is that by arranging a runner module, an air inlet module, a detection module and a data collection mechanism, corresponding detection data are recorded in the process of detecting the air tightness of a workpiece, and the technical scheme solves the problem of data acquisition, but still cannot solve the problem of low efficiency and poor safety in the air tightness test process of the traditional pressure container.
Disclosure of Invention
The invention aims to provide a full-automatic clamping and positioning and inflation air tightness testing device for a pressure container, which has a pressure protection function.
Aiming at the technical problems, the invention adopts the technical scheme that; the utility model provides a pressure vessel gas tightness testing arrangement, includes main part subassembly, linkage subassembly, locating component and inflation component, main part subassembly be used for fixed pressure vessel in circumferencial direction, linkage subassembly set up on main part subassembly, linkage subassembly is connected with main part subassembly, linkage subassembly be used for fixing pressure vessel in the axis direction, locating component install on main part subassembly, locating component be used for restricting pressure vessel in fixed position, inflation component set up in main part subassembly's top, inflation component be used for realizing being connected with the automation of flange hole, realize simultaneously inflation component and flange hole's separation when pressure surpasses the default.
Further, the main body component comprises a bottom plate, a top plate is fixedly arranged at two ends of the bottom plate through a supporting rod, a rotating seat is arranged in the middle of the bottom plate, two pairs of rollers are rotatably arranged on the rotating seat, the rollers are used for placing a pressure container, two pairs of arc plates are arranged on the positions, which are positioned on two sides of the rollers, of the rotating seat, the lower ends of the two arc plates positioned on the same side of the two pairs of rollers are fixedly connected with a rotating rod, the rotating rod is rotatably arranged on the rotating seat, the central angle corresponding to the arc plates is smaller than 180 degrees, a driving rod is rotatably arranged in the middle of the bottom plate, a first belt pulley is coaxially and fixedly arranged on the driving rod, a first belt pulley is coaxially and fixedly arranged on the two rotating rods, a first belt pulley is in belt transmission with the first belt pulley on one rotating rod through a first belt, a driving gear is coaxially and fixedly arranged on the driving rod, a rotating shaft is also rotatably and fixedly arranged on the bottom plate, a driven gear is coaxially and fixedly arranged on the rotating shaft, the driving shaft is coaxially and fixedly connected with the two belt pulleys through a second belt pulley, the end part of the driving shaft is fixedly arranged on the first belt pulley, the driving shaft is coaxially and fixedly connected with the first belt pulley through the first belt pulley, the first belt pulley and the first belt pulley on the driving shaft is fixedly arranged on the driving shaft, the connecting rod is connected with the linkage assembly.
Further, the linkage assembly include slidable mounting at the sliding seat at bottom plate both ends, sliding seat upper end have the clamping ring through first slide bar slidable mounting, clamping ring and sliding seat between be provided with first slide bar coaxial first spring, sliding seat lower extreme and connecting plate fixed connection, the connecting plate on fixed mounting have first rack, two first rack form rack and pinion drive with drive gear simultaneously, two first rack parallel arrangement is in drive gear's both sides, drive gear rotate and install in the bottom plate bottom.
Further, the transmission gear on coaxial fixed mounting have the axle sleeve, the axle sleeve inside be provided with the threaded rod, threaded rod fixed mounting on the articulated slab, the axle sleeve inside be provided with the hemisphere arch that agrees with the screw track on the threaded rod, the both ends of articulated slab rotate respectively and install the first end of articulated rod, two the second end of articulated rod rotate respectively and install on the connecting rod.
Further, locating component include the lifter plate of slidable mounting on branch, bottom plate and roof between rotate and install first lead screw, first lead screw and lifter plate form screw-thread fit, the lifter plate on slidable mounting have the second slide bar, second slide bar upper end fixed mounting have lifting frame, lifting frame and lifter plate between be provided with the coaxial second spring of second slide bar, arc middle part fretwork, slide mounting has same driving lever on two arcs that are located two pairs of gyro wheels and are same one side, the position that the driving lever contacted with the arc sets up to the arc, two the driving lever set up inside lifting frame, first lead screw and the output shaft fixed connection of second motor, second motor fixed mounting on the roof.
Further, the subassembly of aerifing include two breather pipes, two breather pipe fixed mounting be at the both ends of second connecting plate, second connecting plate and roof between be provided with the second jar, second connecting plate fixed mounting on the output shaft of second jar, breather pipe outside coaxial slip be provided with the collar, two the collar fixed mounting be at the both ends of first connecting plate, first connecting plate and roof bottom between be provided with first jar, the activity end fixed mounting of first jar on first connecting plate, the internal diameter of collar equal with the external diameter of breather pipe, breather pipe bottom and collar between be provided with the rubber circle coaxial with the breather pipe, the collar on circumference evenly distributed two third slide bars, third slide bar on slidable mounting have the jack catch, the one side that the jack catch is close to the flange hole set up to the inclined plane, jack catch and third slide bar tip between be provided with the coaxial third spring of third.
Further, the breather pipe up end rotate and install the cam, the cam on coaxial fixed mounting have the drum, the drum side be provided with spacing, the drum pass through spacing slidable mounting on the ring gear, the ring gear rotate and install on the roof, two the ring gear simultaneously with the second rack form rack and pinion cooperation.
Further, roof on fixed mounting have a square tube, one of them breather pipe is connected with the air pump, another breather pipe top seals through the lid, is provided with the first end of communicating pipe on the lid, communicating pipe second end and square tube intercommunication, the one end that is close to the lid of communicating pipe set up to flexible material, communicating pipe is close to square tube one end and sets up to hard material, square tube inside slidable mounting have the piston, the second rack on fixed mounting have the fixed plate, fixed plate and piston between be connected through the push rod, the roof on fixed mounting have the baffle, baffle and fixed plate between be provided with the fourth spring, the roof on still fixed mounting have the third electric jar, the expansion end of third electric jar stretch into inside the square tube.
Further, the side of communicating pipe near square tube one end seted up the slide hole, the inside slidable mounting of communicating pipe near square tube one end have the traveller, the traveller be close to and all be provided with the through-hole on one end and the side of lid, two through-holes communicate at the traveller is inside, the traveller on fixed mounting have the thread bush, the thread bush stretches out the back from the slide hole and forms screw thread fit with the second lead screw, second lead screw upper end fixed mounting have the knob, knob lower extreme fixed mounting have the clamp plate, clamp plate and square tube between be provided with the fifth spring, the fifth spring be in compression state all the time.
Compared with the prior art, the invention has the beneficial effects that: (1) The main body component is connected with the linkage component, and is driven by the same power source to simultaneously clamp and relax the pressure container in the circumferential direction and the axial direction, so that the device has ingenious structure and high automation degree; (2) The positioning assembly provided by the invention can realize the alignment of the flange hole on the pressure container and the inflation assembly, and automatically realize the connection of the inflation assembly and the pressure container, thereby replacing manual operation and greatly improving the efficiency; (3) The inflation assembly provided by the invention can automatically drive the inflation assembly to disconnect from the pressure container when the pressure is excessive, so that explosion accidents are prevented; (4) The power sources are all arranged above the top plate, so that the power sources cannot contact water, and the service life of the device is ensured.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic view of the present invention with the pressure vessel and inflation assembly removed (first view).
Fig. 3 is an enlarged partial schematic view at a in fig. 2.
Fig. 4 is a schematic view of the structure of the present invention with the pressure vessel and inflation assembly removed (second view).
Fig. 5 is a schematic view of the bushing of fig. 4 with one hinge rod cut away and removed.
Fig. 6 is a partially enlarged schematic view at B in fig. 5.
Fig. 7 is a schematic view of the structure of the present invention with the pressure vessel and inflation assembly removed (third view).
Fig. 8 is a schematic view of the overall structure of the roof of the present invention after being cut away.
Fig. 9 is a partially enlarged schematic view at C in fig. 8.
Fig. 10 is a schematic view (first view) of the cylinder, the limiting bar and the cam of the inflation assembly of the present invention after being cut away.
Fig. 11 is a schematic view of the cylinder, the limiting bar and the cam of the inflation assembly of the present invention after being cut away (second view).
FIG. 12 is a schematic view of a square tube of the inflatable module of the present invention in cross-section.
Fig. 13 is a partially enlarged schematic view of fig. 12 at D.
FIG. 14 is a schematic view of a partial structure of an inflatable module according to the present invention.
Fig. 15 is a schematic view of the structure of the spool and the threaded sleeve according to the present invention.
Reference numerals: 101-a bottom plate; 102-a strut; 103-top plate; 104-rotating the seat; 105-a roller; 106-arc plate; 107-rotating a rod; 108-a first pulley; 109-a first belt; 110-an active lever; 111-a drive gear; 112-a rotating shaft; 113-a driven gear; 114-a connecting rod; 115-a second pulley; 116-a second belt; 117-drive shaft; 118-a first motor; 201-a compression ring; 202-a sliding seat; 203-a first spring; 204-a first slide bar; 205-connecting plates; 206-a first rack; 207-a transmission gear; 208-shaft sleeve; 209-a hinge plate; 210-a hinge rod; 211-a threaded rod; 212-hemispherical protrusions; 301-a deflector rod; 302-lifting frame; 303-a second motor; 304-a first lead screw; 305-lifting plate; 306-a second spring; 307-second slide bar; 401-mounting ring; 402-a first connection plate; 403-a first electric cylinder; 404-a second electric cylinder; 405-a second connection plate; 406-a toothed ring; 407-cylinder; 408-a limit bar; 409-cam; 410-a vent pipe; 411-communicating pipe; 412-a third slide bar; 413-a third spring; 414-jaws; 415-a third electric cylinder; 416-square tube; 417-a second rack; 418-fixing plates; 419-fourth springs; 420-baffle; 421-spool; 422-a through hole; 423-pistons; 424-push rod; 425-fifth springs; 426-a platen; 427-thread sleeve; 428-a second lead screw; 429-knob; 430-rubber ring; 5-a pressure vessel; 501-flange holes.
Detailed Description
The following describes the embodiments of the present invention further with reference to the drawings.
Examples: referring to fig. 1 to 15, a pressure vessel air tightness testing device comprises a main body assembly, a linkage assembly, a positioning assembly and an inflation assembly, wherein the main body assembly is used for fixing a pressure vessel 5 in the circumferential direction, the linkage assembly is arranged on the main body assembly and is connected with the main body assembly, the linkage assembly is used for fixing the pressure vessel 5 in the axial direction, the positioning assembly is arranged on the main body assembly and is used for limiting the pressure vessel 5 in a fixed position, the inflation assembly is arranged above the main body assembly and is used for realizing automatic connection with a flange hole 501, and meanwhile, the inflation assembly and the flange hole 501 are separated when the pressure exceeds a preset value.
As shown in fig. 1, fig. 2 and fig. 3, the main body assembly comprises a bottom plate 101, a supporting rod 102, a top plate 103, a rotating seat 104, rollers 105, arc plates 106, a rotating rod 107, a first belt pulley 108, a first belt 109, a driving rod 110, a driving gear 111, a rotating shaft 112, a driven gear 113, a connecting rod 114, a second belt 115, a second belt 116, a driving shaft 117 and a first motor 118, wherein the top plate 103 is fixedly arranged at two ends of the bottom plate 101 through the supporting rod 102, the rotating seat 104 is provided with the rotating seat 104, two pairs of rollers 105 are rotatably arranged on the rotating seat 104, the rollers 105 are used for placing a pressure vessel 5, flange holes 501 are arranged on the pressure vessel 5, two pairs of arc plates 106 are arranged at positions on two sides of the rotating seat 104, the lower ends of the two arc plates 106 on the same side of the two pairs of rollers 105 are fixedly connected with the rotating rod 107, the rotating rod 107 is rotatably arranged on the rotating seat 104, a central angle corresponding to the arc plates 106 is smaller than 180 °, the driving rod 110 is rotatably arranged in the middle of the driving rod 101, a first belt pulley 108 is coaxially arranged on the driving rod 110, the driving rod 107 is coaxially arranged on the driving rod 108, the driving rod 108 coaxially, the driving rod 107 is coaxially arranged coaxially and fixedly arranged coaxially with the rotating shaft 112 on the driving rod 112 through the first belt pulley 111, the first belt pulley 112 and the first belt pulley is coaxially arranged coaxially and forming a rotating shaft 112 coaxially with the rotating shaft 112, the driving rod 112 is coaxially arranged coaxially with the driving rod 112, and is coaxially arranged coaxially and rotatably 112 on the driving rod 112, and is rotatably arranged on the driving rod 112, and the driving rod 112 is rotatably drive the driving rod 112 and the driving rod 112. The driving shaft 117 is fixedly connected with the output shaft of the first motor 118, the end part of the driving shaft 117 is coaxially and fixedly provided with a second belt wheel 115, the two second belt wheels 115 form belt transmission through a second belt 116, the two arc plates 106 positioned on the same side of the two groups of rollers 105 are fixedly connected through a connecting rod 114, and the connecting rod 114 is connected with the linkage assembly.
As shown in fig. 4, fig. 5, fig. 6, the linkage assembly includes a compression ring 201, a sliding seat 202, a first spring 203, a first sliding rod 204, a connecting plate 205, a first rack 206, a transmission gear 207, a shaft sleeve 208, a hinged plate 209, a hinge rod 210, a threaded rod 211 and hemispherical protrusions 212, wherein the sliding seat 202 is slidably mounted at two ends of the bottom plate 101, the compression ring 201 is slidably mounted at the upper end of the sliding seat 202 through the first sliding rod 204, a first spring 203 coaxial with the first sliding rod 204 is arranged between the compression ring 201 and the sliding seat 202, the lower end of the sliding seat 202 is fixedly connected with the connecting plate 205, a first rack 206 is fixedly mounted on the connecting plate 205, the two first racks 206 and the transmission gear 207 form a rack-and-pinion transmission simultaneously, the two first racks 206 are arranged at two sides of the transmission gear 207 in parallel, the transmission gear 207 is rotatably mounted at the bottom of the bottom plate 101, the shaft sleeve 208 is fixedly mounted coaxially on the transmission gear 207, the threaded rod 211 is fixedly mounted on the threaded rod 209, the threaded rod 211 is fixedly mounted on the hinged plate 209, the hemispherical protrusions 212 engaged with the threaded rod 211 on the threaded rod is rotatably mounted on the hinged plate 209, two ends of the hinge rod 210 are rotatably mounted at the two ends of the hinge rod 210 respectively, and the two ends of the hinge rod 114 are rotatably mounted at the hinge rod 114 respectively.
As shown in fig. 7, the positioning assembly comprises a deflector rod 301, a lifting frame 302, a second motor 303, a first lead screw 304, a lifting plate 305, a second spring 306 and a second slide bar 307, wherein the lifting plate 305 is slidably mounted on a supporting rod 102, the first lead screw 304 is rotatably mounted between the bottom plate 101 and the top plate 103, the first lead screw 304 and the lifting plate 305 form threaded fit, the lifting plate 305 is slidably mounted with the second slide bar 307, the upper end of the second slide bar 307 is fixedly provided with the lifting frame 302, a second spring 306 coaxial with the second slide bar 307 is arranged between the lifting frame 302 and the lifting plate 305, the middle part of the arc 106 is hollowed out, the same deflector rod 301 is slidably mounted on two arc 106 positioned on the same side of the two pairs of rollers 105, the deflector rod 301 and the arc 106 are in an arc shape, the two deflector rods 301 are arranged inside the lifting frame 302, the first lead screw 304 is fixedly connected with the output shaft of the second motor 303, and the second motor 303 is fixedly mounted on the top plate 103.
As shown in fig. 8, 9, 10, 11, 12, 13, 14, and 15, the air charging assembly includes a mounting ring 401, a first connection plate 402, a first cylinder 403, a second cylinder 404, a second connection plate 405, a toothed ring 406, a cylinder 407, a stopper 408, a cam 409, a vent pipe 410, a communication pipe 411, a third slide bar 412, a third spring 413, a claw 414, a third cylinder 415, a square cylinder 416, a second rack 417, a fixing plate 418, a fourth spring 419, a baffle 420, a slide column 421, a through hole 422, a piston 423, a push rod 424, a fifth spring 425, a pressure plate 426, a threaded sleeve 427, a second screw 428, a knob 429, and a rubber ring 430, the vent pipe 410 is provided in two, the two vent pipes 410 are fixedly installed at both ends of the second connection plate 405, the second connection plate 405 is provided with the second cylinder 404 between the second connection plate 405 and the top plate 103, the second connection plate 405 is fixedly installed on an output shaft of the second cylinder 404, the outside of the vent pipe 410 is coaxially and slidably provided with mounting rings 401, the two mounting rings 401 are fixedly arranged at the two ends of the first connecting plate 402, a first electric cylinder 403 is arranged between the first connecting plate 402 and the bottom of the top plate 103, the movable end of the first electric cylinder 403 is fixedly arranged on the first connecting plate 402, the inner diameter of the mounting ring 401 is equal to the outer diameter of the vent pipe 410, a rubber ring 430 coaxial with the vent pipe 410 is arranged between the bottom of the vent pipe 410 and the mounting ring 401, two third slide bars 412 are uniformly distributed on the circumference of the mounting ring 401, claws 414 are slidably arranged on the third slide bars 412, one surface of each claw 414 close to a flange hole 501 is provided with an inclined surface, a third spring 413 coaxial with the third slide bars 412 is arranged between each claw 414 and the end part of the third slide bar 412, the upper end surface of the vent pipe 410 is rotatably provided with a cam 409, a cylinder 407 is coaxially and fixedly arranged on the cam 409, the side surface of the cylinder 407 is provided with a limit bar 408, cylinder 407 is slidably mounted on toothed ring 406 through spacing 408, toothed ring 406 rotates and installs on roof 103, two toothed rings 406 simultaneously form rack-and-pinion cooperation with second rack 417, fixed mounting has square section of thick bamboo 416 on roof 103, one of them breather pipe 410 is connected with the air pump, another breather pipe 410 top is sealed through the lid, be provided with the first end of communicating pipe 411 on the lid, communicating pipe 411 second end and square section of thick bamboo 416 intercommunication, communicating pipe 411 is close to the one end setting of lid and is flexible material, communicating pipe 411 is close to square section of thick bamboo 416 one end setting as, square section of thick bamboo 416 internally sliding mounting has piston 423, fixed mounting has fixed plate 418 on the second rack 417, be connected through push rod 424 between fixed plate 418 and the piston 423, fixed mounting has baffle 420 on roof 103, be provided with fourth spring 419 between baffle 420 and the fixed plate 418, still fixed mounting has third electric cylinder 415 on roof 103, the movable end of third electric cylinder 415 stretches into inside communicating pipe 416, the side face of 411 one end is close to square section of thick bamboo 416 sets up the slide hole, the inside slide post 421 of 411 is close to square section of thick bamboo 416 one end is set up to flexible material, communicating pipe 421 is close to square section of thick bamboo 421 one end is provided with the slide post 421, be close to lid and is provided with knob 428 and is in compression screw cap 428 is fixed mounting is in a state is connected with screw cap 428 from top, the compression screw cap is fixed mounting, the screw cap is fixed mounting is arranged on the top cap is lower than knob 428, and is fixed mounting is fixed on the screw cap is fixed on top cap upper plate is fixed on the side, and is fixed on the side.
The invention discloses a working principle of a pressure vessel air tightness testing device, which comprises the following steps: before testing, the two pairs of arc plates 106 are opened, the pressure vessel 5 is placed on the two pairs of rollers 105 on the rotating seat 104, the first motor 118 is started, the first motor 118 drives the driving shaft 117 to rotate, the driving shaft 117 drives the driving rod 110 to rotate through the second belt 116 and the second belt 115, the driving rod 110 drives one of the rotating rods 107 to rotate through the first belt 108 and the first belt 109, simultaneously the driving rod 110 drives the rotating shaft 112 to rotate through the driving gear 111 and the driven gear 113, the rotating shaft 112 drives the other rotating rod 107 to rotate through the first belt 108 and the first belt 109, thereby realizing the rotation of the two groups of arc plates 106, the arc plates 106 fix the pressure vessel 5 in the circumferential direction, meanwhile, the connecting rods 114 move upwards along with the closing of the two groups of arc plates 106, the two connecting rods 114 pull the hinged plates 209 to rise through the two hinged rods 210, the hinged plates 211 rise, the hemispherical bulges 212 on the shaft sleeves 208 are arranged in the threaded tracks of the threaded rods 211, the shaft sleeves 208 rotate along with the rising of the threaded rods 208, the shaft sleeves 208 drive the transmission gear 207 to rotate simultaneously, the transmission gear 207 drives the two first racks 206 to slide reversely, the first racks 206 slide on the first racks 202 drive the two racks 206 to slide on the two ends of the connecting plates 101, and the pressure vessel 5 is pressed tightly by the pressure vessel 5, and the pressure vessel 5 is fixed by the sliding on the two ends of the connecting plates 202.
In the initial state, two deflector rods 301 are located at the lower end of the arc-shaped plate 106, a lifting plate 305 is also located at a position close to the bottom plate 101, after the pressure vessel 5 is fixed in the circumferential and axial directions, a second motor 303 is started, the second motor 303 drives a first lead screw 304 to rotate, the first lead screw 304 drives the lifting plate 305 to slide upwards on the second motor 303, the lifting plate 305 drives a lifting frame 302 to move upwards, two deflector rods 301 in the lifting frame 302 slide in the circumferential direction of the pressure vessel 5, and a flange hole 501 is adjusted to a position right below the top plate 103.
After the position of the pressure container 5 is adjusted, the first electric cylinder 403 and the second electric cylinder 404 are started, the movable end of the first electric cylinder 403 extends out, the movable end of the second electric cylinder 404 synchronously retracts, the first electric cylinder 403 drives the two mounting rings 401 to move towards the direction close to the flange hole 501 through the first connecting plate 402, the claw 414 on the mounting rings 401 is clamped above the flange hole 501 in the moving process of the mounting rings 401, then the movable end of the second electric cylinder 404 extends out, the second electric cylinder 404 drives the two vent pipes 410 to slide upwards in the mounting rings 401 through the second connecting plate 405, as the rubber ring 430 is arranged between the vent pipes 410 and the bottom of the mounting rings 401, along with the upper sliding of the vent pipes 410, the rubber ring 430 is compressed, at this time, the rubber ring 430 realizes the sealing between the vent pipes 410 and the inner wall of the flange hole 501, one of the vent pipes 410 is connected with the air pump, the air pump charges the pressure container 5, the air tightness testing device is communicated with the pressure container 5, the air tightness testing device can be quickly found out, the air tightness testing device is taken out from the water, the third electric cylinder 415 is started, the third electric cylinder 415 pushes the third electric cylinder 424 to push the piston 415 to extend out, the piston 417 and the piston 415 is simultaneously, the piston rod is driven to rotate, the piston 417 is driven to rotate, the piston rod 418 is driven to rotate, and the piston rod 408 is stretched out from the piston cylinder 408, and the piston rod is simultaneously, the piston cylinder 408 is driven to rotate, and the piston cylinder 408 is pushed to rotate, and the piston cylinder 418 is pushed to rotate, and the piston cylinder 408, and the piston is held.
In the inflation process, the gas in the other mounting ring 401 enters into the communicating pipe 411, the gas in the communicating pipe 411 extrudes the sliding column 421, the sliding column 421 extrudes the fifth spring 425 through the threaded sleeve 427, the second lead screw 428 and the pressing plate 426, when the pressure is overlarge, the transversely arranged through hole 422 is pushed into the square barrel 416, the gas pushes the piston 423 in the square barrel 416, the piston 423 drives the second rack 417 to slide through the push rod 424 and the fixing plate 418, the second rack 417 drives the toothed ring 406 to rotate, the cam 409 pushes the claw 414 outwards, thereby releasing the contact between the claw 414 and the flange hole 501, and the position of the pressing plate 426 is adjusted through the knob 429, so that the length of the fifth spring 425 is adjusted, the adjustment of the protection pressure is realized, and the explosion accident is prevented.
Claims (9)
1. The utility model provides a pressure vessel gas tightness testing arrangement which characterized in that: including main part subassembly, linkage subassembly, locating component and inflation component, main part subassembly be used for fixed pressure vessel (5) on circumferencial direction, linkage subassembly set up on main part subassembly, linkage subassembly and main part subassembly are connected, linkage subassembly be used for fixing pressure vessel (5) on the axis direction, locating component install on main part subassembly, locating component be used for restricting pressure vessel (5) in fixed position, inflation component set up in main part subassembly's top, inflation component be used for realizing being connected with flange hole (501) voluntarily, realize simultaneously inflation component and flange hole (501) separation when pressure surpasses the default.
2. The pressure vessel tightness test device according to claim 1, wherein: the main body assembly comprises a bottom plate (101), a top plate (103) is fixedly arranged at two ends of the bottom plate (101) through supporting rods (102), a rotating seat (104) is arranged in the middle of the bottom plate (101), two pairs of rollers (105) are rotatably arranged on the rotating seat (104), the rollers (105) are used for placing a pressure container (5), two pairs of arc plates (106) are arranged on the rotating seat (104) at positions on two sides of the rollers (105), the lower ends of the two arc plates (106) on the same side of the two pairs of rollers (105) are fixedly connected with a rotating rod (107), the rotating rod (107) is rotatably arranged on the rotating seat (104), the corresponding central angle of the arc plate (106) is smaller than 180 DEG, a driving rod (110) is rotatably arranged in the middle of the bottom plate (101), a first belt pulley (108) is coaxially and fixedly arranged on the driving rod (110), a first belt pulley (108) is coaxially and fixedly arranged on the two pairs of rollers (107), the first belt pulley (108) is fixedly arranged on the first belt pulley (110) through the first belt pulley (109), the bottom plate (101) on still rotate and install pivot (112), pivot (112) on coaxial fixed mounting have driven gear (113), driving gear (111) and driven gear (113) form gear drive, pivot (112) on coaxial fixed mounting have first band pulley (108), first band pulley (108) on pivot (112) form belt drive through first belt (109) with first band pulley (108) on another dwang (107), the tip coaxial fixed mounting of driving rod (110) have second band pulley (115), roof (103) on rotate and install drive shaft (117), drive shaft (117) and the output shaft fixed connection of first motor (118), the tip coaxial fixed mounting of drive shaft (117) have second band pulley (115), two second band pulley (115) form belt drive through second belt (116), two arc (106) that are located two groups of gyro wheels (105) and are with one side pass through connecting rod (114) fixed connection, connecting rod (114) and linkage assembly.
3. The pressure vessel tightness test device according to claim 2, wherein: the linkage assembly comprises sliding seats (202) which are slidably mounted at two ends of a bottom plate (101), a pressing ring (201) is slidably mounted at the upper end of each sliding seat (202) through a first sliding rod (204), a first spring (203) which is coaxial with the first sliding rod (204) is arranged between each pressing ring (201) and each sliding seat (202), the lower end of each sliding seat (202) is fixedly connected with a connecting plate (205), a first rack (206) is fixedly mounted on each connecting plate (205), the two first racks (206) and a transmission gear (207) form gear-rack transmission at the same time, the two first racks (206) are arranged on two sides of the transmission gears (207) in parallel, and the transmission gears (207) are rotatably mounted at the bottom of the bottom plate (101).
4. A pressure vessel tightness testing device according to claim 3, wherein: the transmission gear (207) on coaxial fixed mounting have axle sleeve (208), axle sleeve (208) inside be provided with threaded rod (211), threaded rod (211) fixed mounting on articulated slab (209), axle sleeve (208) inside be provided with hemispherical protruding (212) that agree with the screw track on threaded rod (211), the both ends of articulated slab (209) rotate respectively and install the first end of articulated rod (210), two the second end of articulated rod (210) rotate respectively and install on connecting rod (114).
5. The pressure vessel tightness test device according to claim 2, wherein: the positioning assembly comprises a lifting plate (305) which is slidably mounted on a supporting rod (102), a first lead screw (304) is rotatably mounted between a bottom plate (101) and a top plate (103), the first lead screw (304) and the lifting plate (305) form threaded fit, a second sliding rod (307) is slidably mounted on the lifting plate (305), a lifting frame (302) is fixedly mounted on the upper end of the second sliding rod (307), a second spring (306) coaxial with the second sliding rod (307) is arranged between the lifting frame (302) and the lifting plate (305), the middle of each arc-shaped plate (106) is hollowed out, the same deflector rod (301) is slidably mounted on two arc-shaped plates (106) which are positioned on the same side of each pair of rollers (105), the positions of the deflector rods (301) in contact with the arc-shaped plates (106) are arc-shaped, the two deflector rods (301) are arranged inside the lifting frame (302), the first deflector rods (304) are fixedly connected with an output shaft motor (303), and the second deflector rod (103) is fixedly mounted on the top plate (303).
6. The pressure vessel tightness test device according to claim 1, wherein: the air charging assembly comprises two air pipes (410), the two air pipes (410) are fixedly arranged at two ends of a second connecting plate (405), a second electric cylinder (404) is arranged between the second connecting plate (405) and a top plate (103), the second connecting plate (405) is fixedly arranged on an output shaft of the second electric cylinder (404), a mounting ring (401) is coaxially and slidably arranged outside the air pipe (410), the two mounting rings (401) are fixedly arranged at two ends of a first connecting plate (402), a first electric cylinder (403) is arranged between the first connecting plate (402) and the bottom of the top plate (103), the movable end of the first electric cylinder (403) is fixedly arranged on the first connecting plate (402), the inner diameter of the mounting ring (401) is equal to the outer diameter of the air pipe (410), rubber rings (430) coaxial with the air pipe (410) are arranged between the bottom of the mounting ring (410), the mounting ring (401) is uniformly distributed on the circumference of the mounting ring (401), the third sliding jaws (412) are arranged near to the sliding jaws (501) of the sliding jaws (501), a third spring (413) coaxial with the third slide bar (412) is arranged between the claw (414) and the end part of the third slide bar (412).
7. The pressure vessel tightness testing apparatus according to claim 6, wherein: the upper end face of the vent pipe (410) is rotatably provided with a cam (409), the cam (409) is coaxially and fixedly provided with a cylinder (407), the side face of the cylinder (407) is provided with a limit bar (408), the cylinder (407) is slidably arranged on the toothed ring (406) through the limit bar (408), the toothed ring (406) is rotatably arranged on the top plate (103), and the two toothed rings (406) and the second rack (417) form a gear-rack fit at the same time.
8. The pressure vessel tightness testing apparatus according to claim 7, wherein: the top plate (103) on fixed mounting have square section of thick bamboo (416), one of them breather pipe (410) is connected with the air pump, another breather pipe (410) top is sealed through the lid, be provided with the first end of communicating pipe (411) on the lid, communicating pipe (411) second end and square section of thick bamboo (416) intercommunication, communicating pipe (411) be close to the one end of lid and set up to flexible material, communicating pipe (411) are close to square section of thick bamboo (416) one end and set up to hard material, square section of thick bamboo (416) internally sliding install piston (423), second rack (417) on fixed mounting have fixed plate (418), fixed plate (418) and piston (423) between be connected through push rod (424), top plate (103) on fixed mounting have baffle (420), baffle (420) and fixed plate (418) between be provided with fourth spring (419), top plate (103) on still fixed mounting have third electric jar (415), the expansion end of third electric jar (415) stretch into square section of thick bamboo (416) inside.
9. The pressure vessel tightness testing device according to claim 8, wherein: the side that is close to square tube (416) one end of communicating pipe (411) seted up the slide opening, the inside slidable mounting that is close to square tube (416) one end of communicating pipe (411) have slide post (421), slide post (421) be close to one end and the side on all be provided with through-hole (422) of lid, two through-holes (422) are at slide post (421) inside intercommunication, slide post (421) on fixed mounting have thread bush (427), thread bush (427) stretch out the back from the slide opening and form screw-thread fit with second lead screw (428), second lead screw (428) upper end fixed mounting have knob (429), knob (429) lower extreme fixed mounting have clamp plate (426), clamp plate (426) and square tube (416) between be provided with fifth spring (425), fifth spring (425) be in compression state all the time.
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