CN106323560A - Automatic sealing performance testing equipment - Google Patents

Automatic sealing performance testing equipment Download PDF

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Publication number
CN106323560A
CN106323560A CN201610815687.3A CN201610815687A CN106323560A CN 106323560 A CN106323560 A CN 106323560A CN 201610815687 A CN201610815687 A CN 201610815687A CN 106323560 A CN106323560 A CN 106323560A
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CN
China
Prior art keywords
base
sliding seat
sealing
shaped
automatization
Prior art date
Application number
CN201610815687.3A
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Chinese (zh)
Inventor
朱萍
Original Assignee
桐乡市鑫朗智能科技有限公司
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Application filed by 桐乡市鑫朗智能科技有限公司 filed Critical 桐乡市鑫朗智能科技有限公司
Priority to CN201610815687.3A priority Critical patent/CN106323560A/en
Publication of CN106323560A publication Critical patent/CN106323560A/en

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/06Investigating 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
    • G01M3/08Investigating 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 pipes, cables or tubes; for pipe joints or seals; for valves; for welds
    • G01M3/085Investigating 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 pipes, cables or tubes; for pipe joints or seals; for valves; for welds for pipe joints or seals

Abstract

The invention discloses automatic sealing performance testing equipment, especially relates to automatic testing equipment used for testing sealing performance of a butt joint part of a steel plastic adapter. The automatic sealing performance testing equipment comprises a base; a sealing mechanism and a leakage determining mechanism, which are disposed on the base; a gas circuit communicating mechanism, which is disposed between the sealing mechanism and the leakage determining mechanism. In order to solve problems of a conventional steal plastic adapter sealing performance testing method such as inconvenience, low efficiency, labor consumption, hard control over extrusion force applied on end parts, the invention provides the automatic sealing performance testing equipment having advantages of high testing efficiency, convenient clamping, and no extrusion applied to the two ends of the steel plastic adapter.

Description

A kind of automatization sealing property test equipment

Technical field

The present invention relates to sealing property test apparatus field, particularly relate to one and mould adapter joint for tested steel The automated test device of sealing property.

Background technology

Adapter moulded by steel, moulds adapter also known as PE steel, as steel pipe with mould pipe (usually PE manage, i.e. polyethylene tube) Between conversion connector, have been widely used for gas ductwork and water conservancy transport two important industries.Itself comprises lengths of steel pipes With mould pipeline section, lengths of steel pipes form relative to clamping with moulding each one end open of pipeline section, and sealing ring is set in access section, outside sets Putting metal clip and increase sealing effectiveness, overall appearance is three sections of end to end cylinders, and interlude external diameter is (outside joint section Footpath) more than the external diameter in two sections of outside.But, sometimes due to product defects or assembly crewman's misoperation, lengths of steel pipes and mould pipe Section it is possible that reveal, the use if such product comes into the market, has bigger potential safety hazard at joint, therefore, Steel is moulded before adapter dispatches from the factory, and needs through strict sealing property test.

Steel is moulded adapter when carrying out sealing property detection by prior art, generally uses silicagel pad or tendon Bovis seu Bubali pad etc. to seal Pad is placed in steel and moulds adapter two ends, is clamped in steel with the force application apparatus such as cylinder or jack simultaneously and moulds the close of adapter two ends Packing, so that two ends of adapter moulded by sealing gasket and steel forms sealing, moulds adapter by the steel after whole sealing It is immersed in the water, then moulds toward steel and inside adapter, be passed through compressed gas, check its sealing property by observing bubble.

Above-mentioned test method has the disadvantages that 1, operating process is complicated, its frame heavier-weight, need to be by external equipment Frame is immersed in the water, and steel is moulded the installation of adapter and the most more bothered;2, conversion is moulded by cylinder or jack pair steel Joint two ends carry out the mode of crush seal, the more difficult control of dynamics, and dynamics is too small, are difficult to seal steel and mould adapter end;Power Spend big, be easily damaged steel and mould adapter.Further, the sealing means of end extruding does not meets Standard, easily causes inspection Erroneous judgement in survey.

Summary of the invention

The present invention is to solve that adapter sealing property method of testing clamping inconvenience moulded by current steel, efficiency is low, take people Power, end extruding force problem more rambunctious, a kind of testing efficiency height of proposition, convenient mounting and clamping, steel mould adapter two ends without squeezing Adapter joint sealing property test equipment moulded by the steel of pressure.

To achieve these goals, the present invention is by the following technical solutions: a kind of automatization sealing property test equipment, bag Include base, the sealing mechanism being arranged on base and Pan Lou mechanism and be arranged on the gas between sealing mechanism and Pan Lou mechanism Road means of communication;

Described sealing mechanism includes top base, upper sliding seat, bottom base, lower sliding seat;Described bottom base be upper end open, Lower end is with the end barrel-shaped, and described lower sliding seat longitudinal section is an inverted "convex" shaped, and internal two ends up and down are through, under Stretch in slidably on the downside of sliding seat in bottom base upper end open, between bottom base upper end and lower sliding seat, be provided with some springs, Lower sliding seat lower end and bottom base inwall are designed with beveled edge portion, and two beveled edge portions form the lower limit extruding groove of sealing ring, lower limit It is provided with lower crush seal circle in position extruding groove;It is horizontally arranged with one in described lower sliding seat interior bone to mould for supporting steel The support ring of adapter joint;Described top base and upper retractable seat in bottom base and the surface of lower sliding seat, on Pedestal is that lower ending opening, upper end inversion with the end are barrel-shaped, and described upper sliding seat longitudinal section is a "convex" shaped, on inside Lower two ends are through, stretch in bottom base lower ending opening on the upside of upper sliding seat slidably, and upper sliding seat is provided with some through upper Bolt played by the plug of pedestal, and the plug between top base and upper sliding seat is beaten and is arranged with spring on bolt, upper sliding seat upper end and upper base Seat inwall is designed with beveled edge portion, and two beveled edge portions form the upper limit extruding groove of sealing ring, be provided with and squeeze in upper limit extruding groove Pressure seal ring;Described lower sliding seat upper end also has the sliding seat sealing for crush seal between upper sliding seat and lower sliding seat Circle;Top base is positioned at crush seal circle upper portion inner chamber or bottom base is positioned at lower crush seal circle lower portion inner chamber with outer Portion's pressurized gas source connects;Described top base is positioned on one piece of lifter plate, and described lifter plate both sides are respectively by one vertically Polished rod guide, and lifter plate moved up and down by an air cylinder driven;

Described Pan Lou mechanism is a water tank equipped with water, is provided with a valve bottom water tank;

Described gas circuit means of communication includes a connection block, is provided with a connection cavity and a driving in described connection block Cavity, connection block is through to connect cavity and is provided with two test gas channels, be provided with one for closure two in connection cavity The sealing block of individual test gas channels;It is through to driven cavity on connection block and is provided with a driving gas channels, in driven cavity Being provided with a piston, be connected by a connecting rod between piston with sealing block, piston is provided with towards sealing block side for returning Bring back to life the spring of plug, drive gas channels to be positioned at piston opposite side;

Described driving gas channels is positioned at upper crush seal circle upper portion inner chamber or lower base by driving trachea and top base Seat is positioned at lower crush seal circle lower portion inner space;Described two test gas channels by test trachea, one with Upper sliding seat or the connection of lower sliding seat inner lumen, another connects with the valve bottom water tank.

As preferably, in described water tank, be provided with a bubble trap, described bubble trap be lower ending opening, Upper end inversion with the end cup-shaped, and internal bore tapers into from lower to upper;On the downside of bubble trap, bore is positioned at above valve, Offering air vent on upper surface, described lifter plate is provided with the air vent plugging mechanism of bubble trap, described aerofluxus Mouth plugging mechanism includes a positioning tube and an expansion link, and described positioning tube vertically stands on the downside of lifter plate, and described stretches Contracting bar upper end is limited in inside positioning tube, can move up and down, and lower end stretches in outside positioning tube;In positioning tube on the upside of expansion link Being provided with spring, expansion link lower end is provided with the plug of air vent.

As preferably, big up and small down round table-like of described air vent, described plug is in the circle mated with air vent Mesa-shaped.

As preferably, described top base is positioned on the inwall of crush seal circle upper portion and offers top base sealing Ring recess, is provided with top base V-shaped seal ring in described top base seal groove, and described top base V-shaped seal ring opening court To top base upper end;It is positioned on described bottom base on the inwall of lower crush seal circle lower portion and offers bottom base sealing ring Groove, is provided with bottom base V-shaped seal ring in described bottom base seal groove, and described bottom base V-shaped seal ring opening towards Bottom base lower end.

As preferably, described top base seal groove is positioned at top base V-shaped seal ring open side and is provided with and helps air inlet chamfering; Described bottom base seal groove is positioned at bottom base V-shaped seal ring open side and also is provided with helping air inlet chamfering.

As preferably, described sealing block is by sealing matrix and sealing gasket laminating forms, and described sealing gasket is located towards Test gas channels side.

As preferably, described lifter plate is provided with two polished rod slide blocks, two polished rod slide blocks and polished rod one_to_one corresponding, light Bar slide block set is located on corresponding polished rod and is slidably matched with corresponding polished rod.

As preferably, described bottom base intracavity bottom is provided with neonychium.

As preferably, described neonychium is silicagel pad.

Therefore, there is advantages that 1, clamping automatically, test, human-saving, efficiency is high;2, test block without Water need to be entered, steel part will not be caused impacts such as getting rusty;3, being separately provided Pan Lou mechanism, it is convenient to observe, and False Rate is low.

Accompanying drawing explanation

Fig. 1 is the structural representation of the present invention.

Fig. 2 is the structural representation of test mode of the present invention.

Fig. 3 is the structure sectional view of sealing mechanism of the present invention.

Fig. 4 is the enlarged drawing in Fig. 3 at A.

Fig. 5 is the structure sectional view of sealing mechanism test mode of the present invention.

Fig. 6 is the partial sectional view of water tank in Pan Lou mechanism of the present invention.

Fig. 7 is the top view of water tank in Pan Lou mechanism of the present invention.

Fig. 8 is the structure sectional view of Pan Lou mechanism of the present invention.

Fig. 9 is the structure sectional view of Pan Lou mechanism of the present invention test mode.

Figure 10 is the structure sectional view of gas circuit means of communication of the present invention.

Figure 11 is the structure sectional view of gas circuit means of communication test mode of the present invention.

1: base;2: sealing mechanism;201: top base;202: upper sliding seat;203: bottom base;204: lower sliding seat; 205: bolt played by plug;206: sliding seat sealing ring;207: lower crush seal circle;208: upper crush seal circle;209: top base is close Seal groove;210: top base V-shaped seal ring;211: bottom base seal groove;212: bottom base V-shaped seal ring;213: neonychium; 214: help air inlet chamfering;215: support ring;3: Pan Lou mechanism;301: water tank;302: valve;303: bubble trap;304: Air vent;305: air vent plugging mechanism;306: positioning tube;307: expansion link;308: plug;4: gas circuit means of communication;401: Connection block;402: connection cavity;403: driven cavity;404: test gas channels;405: sealing block;406: drive gas circuit to lead to Road;407: reply piston;408: connecting rod;409: seal matrix;410: sealing gasket;5: drive trachea;6: test trachea;7: outer Portion's pressurized gas source;8: cylinder;9: lifter plate;10: polished rod;11: polished rod slide block;12: spring;13: adapter moulded by steel;14: water Position.

Detailed description of the invention

The present invention will be further described with specific embodiments below in conjunction with the accompanying drawings.

A kind of automatization sealing property test equipment, sees Fig. 1, Fig. 2, including base 1, the sealing that is arranged on base 1 Mechanism 3 of mechanism 2 and Pan Lou and be arranged on the gas circuit means of communication 4 between sealing mechanism 2 and Pan Lou mechanism 3.

Described sealing mechanism 2 includes top base 201, upper sliding seat 202, bottom base 203, lower sliding seat 204, such as Fig. 3 To shown in Fig. 5;Described bottom base 203 in upper end open, lower end with the end barrel-shaped, bottom base 203 intracavity bottom is provided with silicon The neonychium 213 of rubber cushion material.Described lower sliding seat 204 longitudinal section is an inverted "convex" shaped, internal two ends up and down Through, stretch in bottom base 203 upper end open on the downside of lower sliding seat 204 slidably, bottom base 203 upper end and lower sliding seat Being provided with some springs 12 between 204, lower sliding seat 204 lower end and bottom base 203 inwall are designed with the beveled edge towards internal cavities Portion, two beveled edge portions form the lower limit extruding groove of sealing ring, are provided with lower crush seal circle 207 in lower limit extruding groove.Instantly When sliding seat 204 upper end receives extruding, lower sliding seat 204 moves down, two beveled edges between lower sliding seat 204 and bottom base 203 Portion is drawn close, and lower crush seal circle 207 is extruded contraction, thus seals steel and mould adapter 13 hypomere outer wall.Bottom base 203 upper end And the spring 12 between lower sliding seat 204 is replied for the rising of lower sliding seat 204, and sliding seat 204 upper end extruding force is released instantly After putting, lower sliding seat 204 rises to origin-location, thus discharges lower crush seal circle 207.Meanwhile, on described bottom base 203 It is positioned on the inwall of lower crush seal circle 207 lower portion and offers bottom base seal groove 211, described bottom base seal groove Being provided with bottom base V-shaped seal ring 212 in 211, adapter 13 lower semisection external diameter moulded by bottom base V-shaped seal ring 212 internal diameter and steel Coupling, and described bottom base V-shaped seal ring opening is towards bottom base 203 lower end, described bottom base seal groove 211 is positioned at Bottom base V-shaped seal ring 212 open side is provided with and helps air inlet chamfering 214.The most laterally set in described lower sliding seat 204 interior bone Being equipped with a support ring 215 moulding adapter 13 joint for supporting steel, described support ring 215 internal diameter is moulded more than steel and is turned The following segment outer radius in changing-over 13 Butt Section, and mould adapter 13 Butt Section external diameter less than steel so that length not, lower end not Adapter 13 moulded by the steel of bottom base 203 intracavity bottom neonychium 213 of conflicting can be by Butt Section limited support in support ring 215 Upside, as shown in Figure 5.

Described top base 201 and upper sliding seat 202 are positioned at bottom base 203 and the surface of lower sliding seat 204, top base 201 in lower ending opening, upper end inversion with the end barrel-shaped, described upper sliding seat 202 longitudinal section is a "convex" shaped, internal Two ends are through up and down, stretch in bottom base 203 lower ending opening on the upside of upper sliding seat 202 slidably, and upper sliding seat 202 is provided with Bolt 205 played by some plugs through top base 201, and the plug between top base 201 and upper sliding seat 202 is beaten on bolt 205 sheathed Having spring 12, upper sliding seat 202 upper end and top base 201 inwall to be designed with beveled edge portion, two beveled edge portions form the upper of sealing ring Spacing extruding groove, is provided with crush seal circle 208 in upper limit extruding groove.When upper sliding seat 202 lower end receives extruding upwards During power, upper sliding seat 202 being moved, two beveled edge portions between upper sliding seat 202 and top base 201 are drawn close, upper crush seal circle 208 are extruded contraction, thus seal steel and mould adapter 13 epimere outer wall.Spring between top base 201 and upper sliding seat 202 12 are used for upper sliding seat 202 rapid decrease, after the extruding force of upper sliding seat 202 lower end discharges, and upper sliding seat 202 rapid decrease Return back to origin-location, thus discharge upper crush seal circle 208.Described lower sliding seat 204 upper end also has for upper sliding seat The sliding seat sealing ring 206 of crush seal between 202 and lower sliding seat 204.Meanwhile, described top base 201 is positioned at and squeezes Offer top base seal groove 209 on the inwall of pressure seal ring 208 upper portion, set in described top base seal groove 209 Have top base V-shaped seal ring 210, top base V-shaped seal ring 210 internal diameter to mould adapter 13 upper semisection external diameter with steel to mate, and Described top base V-shaped seal ring opening is towards top base 201 upper end, and described top base seal groove 209 is positioned at top base V RunddichtringO 210 open side is provided with and helps air inlet chamfering 214.

Top base 201 is positioned at crush seal circle 208 upper portion inner chamber and is connected with external pressurized air source 7;Described is upper Pedestal 201 is positioned on one piece of lifter plate 9, and described lifter plate 9 both sides are respectively by a polished rod being vertically fixed on base 1 10 guide, and lifter plate 9 is provided with two polished rod slide blocks 11, two polished rod slide blocks 11 and polished rod 10 one_to_one corresponding, polished rod slide block 11 Being set on corresponding polished rod 10 and be slidably matched with corresponding polished rod 10, lifter plate 9 is fixed on the gas on base 1 by an inversion Cylinder 8 drives and moves up and down.

Described Pan Lou mechanism 3 is a water tank 301 equipped with water, as shown in Figures 6 to 9, sets bottom water tank 301 Have a valve 302, in water tank 301, be provided with a bubble trap 303, described bubble trap 303 in lower ending opening, Upper end inversion with the end cup-shaped, and internal bore tapers into from lower to upper;On the downside of bubble trap 303, bore is positioned at valve Directly over 302, upper surface offers air vent 304, big up and small down round table-like, on lifter plate 9 of described air vent 304 Being provided with the air vent plugging mechanism 305 of bubble trap 303, described air vent plugging mechanism 305 includes a positioning tube 306 With an expansion link 307, described positioning tube 306 vertically stands on the downside of lifter plate 9, and described expansion link 307 upper end is limited in Inside positioning tube 306, can move up and down, lower end stretches in outside positioning tube 306;Set in positioning tube 306 on the upside of expansion link 307 Having the spring 12, expansion link 307 lower end to be provided with the plug 308 of air vent 304, described plug 308 is in mating with air vent 304 Round table-like, and plug 308 is positioned at the surface of air vent 304 of bubble trap 303, can decline closure aerofluxus with lifter plate 9 Mouth 304.

Described gas circuit means of communication 4 includes a connection block 401, as shown in Figure 10, Figure 11, described connection block 401 Inside it is provided with a connection cavity 402 and a driven cavity 403, connection block 401 is through to connect cavity 402 from outer wall and is provided with Two test gas channels 404, are provided with a sealing block for closure two test gas channels 404 in connection cavity 402 405, described sealing block 405 is formed by sealing matrix 409 and sealing gasket 410 laminating, and described sealing gasket 410 is located towards surveying Gas testing paths 404 side;It is through to driven cavity 403 from outer wall on connection block 401 and is provided with a driving gas channels 406, It is provided with a piston 407 in driven cavity 403, is connected by a connecting rod 408 between piston 407 with sealing block 405, piston 407 towards be arranged with in the connecting rod 408 of sealing block 405 side one for the spring 12 replying piston 407, drive gas circuit to lead to Road 406 is positioned at piston 407 opposite side.Driving gas channels 406 is in the case of obstructed air pressure, owing to spring 12 acts on, and sealing block 405 states in closure two test gas channels 404, do not connect between two test gas channels 404.

By driving trachea 5 and bottom base 203 to be positioned at lower crush seal at described driving gas channels 406 opening of external wall Enclose 207 lower portion inner space;Respectively by a test at two opening of external wall of two described test gas channels 404 Trachea 6, one connects with lower sliding seat 204 inner lumen, and another connects with the valve 302 bottom water tank 301.

Before test, first pouring a certain amount of water in water tank 301 into, water level 14 requirement can be by whole bubble trap 303 It is immersed in the water, as shown in Figure 8.Steel is moulded adapter 13 one end insert from lower sliding seat 204 upper end open, through support ring 215 endoporus, subsequently into the inner chamber of bottom base 203, if adapter 13 lower semisection long enough moulded by steel, then adapter moulded by steel 13 lower ends stop with neonychium 213 conflict of bottom base 203 intracavity bottom;If adapter 13 moulded by steel, lower semisection falls short of, Then steel is moulded adapter 13 Butt Section and is moulded adapter 13 Butt Section limited support in support with support ring 215 conflict stopping, steel On the upside of ring 215.Now, steel is moulded adapter 13 and is vertically stood in lower work by the inner chamber of lower sliding seat 204 and bottom base 203 is spacing On dynamic seat 204 and bottom base 203.Start cylinder 8, cylinder 8 drives lifter plate 9 to move down, top base 201, upper sliding seat 202 and Air vent plugging mechanism 305 moves down along with lifter plate 9.In lifter plate 9 folding process, steel moulds adapter 13 upper end through upper work Dynamic seat 202 endoporus, subsequently into top base 201 inner chamber;The expansion link 307 of air vent plugging mechanism 305 is displaced downwardly to lower end plug 308 air vents 304 inserting closure bubble trap 303, stop moving down, then by the spring 12 in compression set cylinder 306, Go adaptive positioning tube 306 and lifter plate 9 continue move down, as shown in Figure 9.Upper sliding seat 202 be displaced downwardly to in lower sliding seat 204 End is conflicted, extruding sliding seat sealing ring 206 between upper sliding seat 202 and lower sliding seat 204, it is achieved upper sliding seat 202 And the sealing between lower sliding seat 204.Meanwhile, after upper sliding seat 202 and lower sliding seat 204 are conflicted, cylinder 8 continues to make to execute Power, lower sliding seat 204 starts to extrude lower crush seal circle 207, and owing to upper sliding seat 202 lower end is blocked, top base 201 is also opened Begin the upper crush seal circle 208 of extruding, and upper crush seal circle 208 and lower crush seal circle 207 are squeezed contractions, and sealing steel is moulded respectively Adapter 13 two sections outer wall, meanwhile, the spring 12 between top base 201 and upper sliding seat 202 and lower sliding seat 204 With the spring 12 between bottom base 203 is all extruded, steel mould adapter 13 Butt Section be positioned at crush seal circle 208 and lower squeeze Between pressure seal ring 207.The closeest due to upper crush seal circle 208, lower crush seal circle 207 and sliding seat sealing ring 206 Envelope effect, steel mould outside adapter 13 Butt Section formed one seal cavity, now, the primary seal of adapter 13 moulded by steel Work completes, as shown in Figure 5.

During test, external pressurized air source 7 is positioned at upper crush seal circle 208 upper portion toward top base 201 and adds test gas Pressure, moulds adapter 13 endoporus by steel and connects, and bottom base 203 is positioned at lower crush seal circle 207 lower portion also to be had identical Measuring air pressure, and top base V-shaped seal ring 210 and bottom base V-shaped seal ring 212 opening are both facing to being connected with measuring air pressure side, And open side is designed with helping air inlet chamfering 214, it is simple to gas enters, tested person gas pressure, top base V-shaped seal ring 210 He Bottom base V-shaped seal ring 212 opening is expanded, and moulds the laminating of adapter 13 two sections outer wall respectively with steel, it is achieved conversion moulded by steel The secondary seal of joint 13 two sections outer wall, and measuring air pressure is the biggest, top base V-shaped seal ring 210 and bottom base V-seal The sealing effectiveness of circle 212 is the best.Meanwhile, measuring air pressure is by driving trachea 5 to enter the driving gas channels of gas circuit means of communication 4 406, and then enter driven cavity 403, promote piston 407 to move down, the sealing block 405 being connected with piston 407 the most and then moves down, and two Connect between individual test gas channels 404, as shown in figure 11.Now, the sealing cavity outside adapter 13 Butt Section moulded by steel Connected with the valve 302 bottom water tank 301 by two test gas channels 404.

Owing to steel is moulded, adapter 13 is internal measuring air pressure, moulds adapter 13 Butt Section when steel and leaks, will Have air pressure entrance steel to mould can emit at the sealing cavity outside adapter 13 Butt Section, and then the valve 302 bottom water tank 301 Bubble, and bubble can be collected in the bubble trap 303 on the upside of valve 302, operator are readily viewed;Turn if steel is moulded Changing-over 13 Butt Section does not leak, and does not the most have bubble and produce at the valve 302 bottom water tank 301.

After being completed, external pressurized air source 7 stops pressurization, and from pressurization mouth pressure release, the internal gas of adapter 13 moulded by steel Pressure disappears, and top base V-shaped seal ring 210 and bottom base V-shaped seal ring 212 lose sealing effectiveness, the driving of gas circuit means of communication 4 Measuring air pressure in cavity 403 also disappears, and is acted on by spring 12, and piston 407 is replied and risen, and sealing block 405 also and then rises Block two test gas channels 404, as shown in Figure 10 so that valve 302 disconnects with lower sliding seat 204 inner lumen and connecting, Prevent aqueous reflux in water tank 301 from entering test trachea 6, under the influence of a test result.After pressure release completes, start cylinder 8 Retraction, top base 201 is pulled up and slowly rises, and the extruding force between upper sliding seat 202 and lower sliding seat 204 fades away, and And, acted on by spring 12, two beveled edge portions between upper sliding seat 202 and top base 201 and lower sliding seat 204 and lower base Two beveled edge portions between seat 203 start to open, and upper crush seal circle 208 and lower crush seal circle 207 expansion release steel are moulded and turned Changing-over 13 two sections outer wall, departs from until moulding adapter 13 outer wall with steel, and top base 201 and upper sliding seat 202 are with liter Fall plate 9 returns to initial position.Meanwhile, the positioning tube 306 of air vent plugging mechanism 305 rises also with lifter plate 9, cylinder to be positioned 306 inner springs 12 recover to movable limiting length, pull expansion link 307 to rise, and plug 308 separates with air vent 304, gas If having bubble in bubble catcher 303, also can discharge at air vent 304.Now, a steel is moulded adapter 13 and is tested Finishing, operator only need to take out the steel being completed in lower sliding seat 204 and mould adapter 13, are reentered into new steel to be measured Mould adapter 13, next round test can be carried out.

Claims (9)

1. automatization's sealing property test equipment, it is characterised in that: include base (1), the sealing being arranged on base (1) Mechanism (2) and Pan Lou mechanism (3) and the gas circuit means of communication (4) being arranged between sealing mechanism (2) and Pan Lou mechanism (3);
Described sealing mechanism (2) includes top base (201), upper sliding seat (202), bottom base (203), lower sliding seat (204); Described bottom base (203) in upper end open, lower end with the end barrel-shaped, described lower sliding seat (204) longitudinal section is one Inverted "convex" shaped, internal two ends up and down are through, and lower sliding seat (204) downside stretches in bottom base (203) upper end slidably In opening, between bottom base (203) upper end and lower sliding seat (204), be provided with some springs (12), lower sliding seat (204) lower end with Bottom base (203) inwall is designed with beveled edge portion, and two beveled edge portions form the lower limit extruding groove of sealing ring, in lower limit extruding groove It is provided with lower crush seal circle (207);It is horizontally arranged with one in described lower sliding seat (204) interior bone to mould for supporting steel The support ring (215) of adapter (13) joint;Described top base (201) and upper sliding seat (202) are positioned at bottom base And the surface of lower sliding seat (204) (203), top base (201) in lower ending opening, upper end inversion with the end barrel-shaped, described Upper sliding seat (202) longitudinal section be a "convex" shaped, internal two ends up and down are through, and upper sliding seat (202) upside is slidably Stretch in bottom base (203) lower ending opening, upper sliding seat (202) is provided with some plugs through top base (201) and plays bolt (205), the plug between top base (201) and upper sliding seat (202) is beaten and is arranged with spring (12), upper sliding seat on bolt (205) (202) upper end and top base (201) inwall are designed with beveled edge portion, and two beveled edge portions form the upper limit extruding groove of sealing ring, on Crush seal circle (208) it is provided with in spacing extruding groove;Described lower sliding seat (204) upper end also has for upper sliding seat (202) the sliding seat sealing ring (206) of crush seal and between lower sliding seat (204);Top base (201) is positioned at crush seal Circle (208) upper portion inner chamber or bottom base (203) are positioned at lower crush seal circle (207) lower portion inner chamber and external pressurized gas Source (7) connects;Described top base (201) is positioned on one piece of lifter plate (9), and described lifter plate (9) both sides are respectively by one The vertical polished rod (10) of root guides, and lifter plate (9) is driven by a cylinder (8) and moves up and down;
Described Pan Lou mechanism (3) is a water tank equipped with water (301), and water tank (301) bottom is provided with a valve (302);
Described gas circuit means of communication (4) includes connection block (401), is provided with a connection in described connection block (401) Cavity (402) and a driven cavity (403), connection block (401) is through to connect cavity (402) and is provided with two test gas circuits Passage (404), is provided with a sealing block (405) for closure two test gas channels (404) in connection cavity (402); Being through to driven cavity (403) in connection block (401) and be provided with driving gas channels (406), driven cavity is provided with in (403) One piston (407), is connected by a connecting rod (408) between piston (407) with sealing block (405), piston (407) towards Sealing block (405) side is provided with the spring (12) for replying piston (407), drives gas channels (406) to be positioned at piston (407) Opposite side;
Described driving gas channels (406) is positioned at upper crush seal circle (208) by driving trachea (5) and top base (201) Upper portion inner chamber or bottom base (203) are positioned at lower crush seal circle (207) lower portion inner space;Two described tests Gas channels (404) is by test trachea (6), and one connects with upper sliding seat (202) or lower sliding seat (204) inner lumen, Another connects with the valve (302) of water tank (301) bottom.
A kind of automatization the most according to claim 1 sealing property test equipment, it is characterised in that: described water tank (301) be provided with a bubble trap (303) in, described bubble trap (303) in lower ending opening, upper end inversion with the end Cup-shaped, and internal bore tapers into from lower to upper;Bubble trap (303) downside bore is positioned at valve (302) top, upper end Offering air vent (304) on face, described lifter plate (9) is provided with the air vent plugging mechanism of bubble trap (303) (305), described air vent plugging mechanism (305) includes a positioning tube (306) and an expansion link (307), and described determines Lifter plate (9) downside is vertically stood in position cylinder (306), and described expansion link (307) upper end is limited in positioning tube (306) inner side, can Moving up and down, lower end stretches in positioning tube (306) outside;It is provided with spring in the positioning tube (306) of expansion link (307) upside (12), expansion link (307) lower end is provided with the plug (308) of air vent (304).
A kind of automatization the most according to claim 2 sealing property test equipment, it is characterised in that: described air vent (304) big up and small down round table-like, described plug (308) is in round table-like with what air vent (304) mated.
A kind of automatization the most according to claim 1 sealing property test equipment, it is characterised in that: described top base (201) being positioned on the inwall of crush seal circle (208) upper portion and offer top base seal groove (209), described is upper It is provided with top base V-shaped seal ring (210) in pedestal seal groove (209), and described top base V-shaped seal ring opening is towards upper Pedestal (201) upper end;It is positioned on described bottom base (203) on the inwall of lower crush seal circle (207) lower portion and offers down Pedestal seal groove (211), is provided with bottom base V-shaped seal ring (212) in described bottom base seal groove (211), and described Bottom base V-shaped seal ring opening towards bottom base (203) lower end.
A kind of automatization the most according to claim 1 sealing property test equipment, it is characterised in that: described top base is close Seal groove (209) is positioned at top base V-shaped seal ring (210) open side and is provided with and helps air inlet chamfering (214);Described bottom base seals Ring recess (211) is positioned at bottom base V-shaped seal ring (212) open side and also is provided with helping air inlet chamfering (214).
A kind of automatization the most according to claim 1 sealing property test equipment, it is characterised in that: described sealing block (405) being formed by sealing matrix (409) and sealing gasket (410) laminating, described sealing gasket (410) is located towards testing gas circuit and leads to Road (404) side.
A kind of automatization the most according to claim 1 sealing property test equipment, it is characterised in that: described lifter plate (9) being provided with two polished rod slide blocks (11), two polished rod slide blocks (11) and polished rod (10) one_to_one corresponding, polished rod slide block (11) is sheathed Above and it is slidably matched with corresponding polished rod (10) corresponding polished rod (10).
8., according to a kind of automatization sealing property test equipment described in any claim in claim 1 to 7, its feature exists In: described bottom base (203) intracavity bottom is provided with neonychium (213).
A kind of automatization the most according to claim 8 sealing property test equipment, it is characterised in that: described neonychium (213) it is silicagel pad.
CN201610815687.3A 2016-09-10 2016-09-10 Automatic sealing performance testing equipment CN106323560A (en)

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CN109029870A (en) * 2018-08-22 2018-12-18 邹凯 A kind of end cap of ball valve

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CN109029870A (en) * 2018-08-22 2018-12-18 邹凯 A kind of end cap of ball valve

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Application publication date: 20170111