CN105823611B - A kind of high pressure gas inspection machine - Google Patents
A kind of high pressure gas inspection machine Download PDFInfo
- Publication number
- CN105823611B CN105823611B CN201610182959.0A CN201610182959A CN105823611B CN 105823611 B CN105823611 B CN 105823611B CN 201610182959 A CN201610182959 A CN 201610182959A CN 105823611 B CN105823611 B CN 105823611B
- Authority
- CN
- China
- Prior art keywords
- modeling
- central siphon
- steel pipe
- steel
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2853—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipe joints or seals
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Jet Pumps And Other Pumps (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention discloses a kind of high pressure gas to examine machine, including main engine bed, air feed pump, block cylinder, compression cylinder, central siphon, limit base, connection supports frame, clamping piston bar is equipped with positioning plate, end socket piston rod is equipped with band moving frame, central siphon is equipped with modeling and manages outer end-plate, the outer end-plate of steel pipe, mould pipe exterior seal ring, steel pipe exterior seal ring, central siphon is equipped with the first air inlet, first air inlet is equipped with the first breather check valve, central siphon outer wall is equipped with the first baroceptor, the steel modeling crossover sub that connection supports frame is supported is between limit base and closure cylinder, the gas supply end of air feed pump inside air supply pipe and central siphon by being connected to.The beneficial effects of the invention are as follows：Reasonable integral structure, to steel mould crossover sub positioning and clamping in place, can ensure leakproofness but will not press from both sides damage steel modeling crossover sub；With can automatic adjusument sealing structure, can strengthen hyperbar detection when sealing effect.
Description
Technical field
The invention belongs to the close property technical field of measurement and test of pipe fitting joint more particularly to a kind of high pressure gas to examine machine.
Background technology
Steel moulds crossover sub, and also known as PE steel moulds crossover sub, is widely used among current production, life, such as
Largely steel will be used to mould crossover sub in combustion gas, natural gas transportation pipeline（Outer combustion gas pipeline is mostly PE pipelines, into entering the room
It is generally inside steel pipe, needs to mould crossover sub using steel in switching process）.Steel moulds crossover sub, itself includes lengths of steel pipes（One section
Steel pipe）With modeling pipeline section（Usually one section of PE pipe）, one end of lengths of steel pipes docks to form linkage section with one end of modeling pipeline section, linkage section
It is mostly clamped and is formed with modeling pipeline section one end by lengths of steel pipes one end, and be sealed using sealing ring（Linkage section would generally be arranged one
A little concaveconvex structures coordinate clamping, if the flange in lengths of steel pipes mutually fastens with the card slot on modeling pipeline section, can also be set outside linkage section
Anchor ear is set further to be held tightly）, the front of motor of lengths of steel pipes is known as steel pipe end, and the front of motor for moulding pipeline section is known as moulding pipe end,
Modeling pipe end can mould pipe with waiting docking（PE is managed）Welding, steel pipe end can connect with steel tube screw thread to be docked, weld or pass through it
Its structure is docked.Since steel moulds crossover sub applied to gas, liquid transportation art, so its leakproofness needs
To guarantee, before manufacture, its being sealed property is detected.
When the prior art is detected steel modeling crossover sub, generally use gasket or sealing ring are placed in steel modeling conversion and connect
Head both ends（Steel pipe end and modeling pipe end）Outside, while with the force application apparatus such as jack or hydraulic cylinder be clamped in steel mould crossover sub
Both ends seal to make two ends of gasket or sealing ring and steel modeling crossover sub be formed, the steel modeling after entire sealing are turned
Changing-over head is immersed in the water, then toward being passed through compressed gas and examine its sealing performance inside steel modeling crossover sub.
Above-mentioned test method has the disadvantages that：1, operating process is complicated, and rack heavier-weight need to be by external equipment
Rack is immersed in the water, and the installation of steel modeling crossover sub is also more troublesome；2, pressing plate is pushed to steel using jack
Modeling crossover sub is sealed and sealing ring is placed in outside steel modeling crossover sub both ends, and hydraulic cylinder is used in combination（Or cylinder）It is clamped in
When steel modeling crossover sub both ends are sealed, all more difficult control of dynamics of the two may if the power that pushes or clamp is inadequate
The sealing of steel modeling crossover sub end can be made not firm, to influence the accuracy of experiment, bring the erroneous judgement in quality, push or
If the power of clamping is excessive, steel modeling crossover sub can be made to deform, lead to steel modeling crossover sub end face（Pipe end）Out-of-flatness, from
And so that between steel modeling crossover sub and pressing plate sealing can not be formed, the erroneous judgement in quality is brought, in addition, the power for pushing or clamping
Excessively, it is also possible to directly damage steel and mould crossover sub.
Invention content
It is easy to operate it is an object of the invention to overcome the defect of prior art, and provide a kind of reasonable integral structure, test
As a result accuracy is high, and can guarantee that two pipe ends of steel modeling crossover sub are not easy to be pressed from both sides the high pressure gas inspection machine of damage.
To achieve the goals above, the present invention uses following technical scheme：
A kind of high pressure gas examines machine, including main engine bed, air feed pump, further include block cylinder, compression cylinder, limit base, one
Central siphon closed at both ends and horizontal is used to support steel modeling crossover sub and steel modeling crossover sub axis is made to be in connecing for horizontality
Head support blocks cylinder, compression cylinder, connection supports frame and is arranged on main engine bed, and the closure cylinder includes end socket cylinder
The scalable direction of body, end socket the cylinder piston, end socket piston rod, end socket piston rod is horizontal, and compression cylinder includes compressing cylinder body, compressing
The scalable direction of the cylinder piston, clamping piston bar, clamping piston bar is vertical, and clamping piston bar is equipped with for compressing steel modeling conversion
The positioning plate of connector, positioning plate are in above connection supports frame, and end socket piston rod is equipped with for driving central siphon along central siphon axial direction
The band moving frame moved horizontally, central siphon are equipped with cricoid modeling and manage the outer end-plate of outer end-plate, cricoid steel pipe, and outer end-plate is managed in modeling
Peripheral surface is equipped with modeling pipe outside plate annular groove, and the outer end-plate peripheral surface of steel pipe is equipped with steel pipe outside plate annular groove, and outer end-plate, steel are managed in modeling
The outer end-plate of pipe, modeling pipe outside plate annular groove, steel pipe outside plate annular groove are coaxial with central siphon, and modeling pipe outside plate annular groove is equipped with for contacting steel
The modeling pipe exterior seal ring of crossover sub inner wall is moulded, steel pipe outside plate annular groove is equipped with the steel pipe that crossover sub inner wall is moulded for contacting steel
Exterior seal ring, central siphon are equipped with the first air inlet being connected to central siphon inside, and the first air inlet is equipped with the first breather check valve,
First breather check valve can be by, to outside central siphon, central siphon outer wall is equipped with the first baroceptor, connects in central siphon by direction
Between the steel modeling crossover sub that head support is supported is in limit base and blocks cylinder, the gas supply end of air feed pump passes through air supply pipe
It is connected to central siphon inside, limit base is equipped with the elastic ring for contacting steel modeling crossover sub one end, is set on the central siphon outer wall
There are several hollow filling blocks for stretching into steel modeling crossover sub, hollow filling block has hollow lumen, if central siphon is equipped with
It is dry to be corresponded to the inner cavity pressurized hole being connected to inside central siphon, inner cavity pressurized hole and hollow lumen one-to-one correspondence, the connection of inner cavity pressurized hole
Hollow lumen.
Preferably, the connection supports frame includes that horizontal support baseboard, two supports vertical and parallel to each other are vertical
Plate, supporting vertical plate are equipped with the V-arrangement support slot that crossover sub is moulded for accommodating steel, opening up, the supporting vertical plate of V-arrangement support slot
Lower end is fixed with support baseboard top surface.
Preferably, the central siphon is equipped with cricoid modeling pipe inner end sealing plate, cricoid steel pipe inner end sealing plate, modeling pipe inner end
Sealing plate peripheral surface is equipped with modeling pipe inner panel annular groove, and steel pipe inner end sealing plate peripheral surface is equipped with steel pipe inner panel annular groove, moulds pipe inner panel ring
Slot is equipped with the modeling pipe inner seal ring that crossover sub inner wall is moulded for contacting steel, and steel pipe inner panel annular groove is equipped with for contacting steel modeling
The steel pipe inner seal ring of crossover sub inner wall, modeling pipe inner end sealing plate, steel pipe inner end sealing plate, modeling pipe inner panel annular groove, steel pipe inner panel ring
Slot is coaxial with central siphon, and modeling pipe inner end sealing plate is between steel pipe inner end sealing plate and the outer end-plate of modeling pipe, at the sealing plate of steel pipe inner end
Outside modeling pipe inner end sealing plate and steel pipe between end-plate, central siphon is equipped with the second air inlet and central siphon being connected to central siphon inside
Inside connection third air inlet, central siphon outer wall be equipped with the second baroceptor, third baroceptor, the first air inlet with
First baroceptor is in outside steel pipe between end-plate and steel pipe inner end sealing plate, the second air inlet and the second baroceptor
It is between steel pipe inner end sealing plate and modeling pipe inner end sealing plate, third air inlet is in modeling pipe inner end with third baroceptor
Between outer end-plate is managed in sealing plate and modeling, the second air inlet is equipped with the second breather check valve, third air inlet equipped with third into
Gas check valve, the second breather check valve can by direction, third breather check valve can by direction be by central siphon extremely
Outside central siphon.
Preferably, the steel pipe exterior seal ring, steel pipe inner seal ring, modeling pipe inner seal ring, modeling pipe exterior seal ring are
Inside has the gas-flow closure circle of inflatable chamber, and the outer end-plate of steel pipe is equipped with will be in steel pipe exterior seal ring inner inflatable chamber and central siphon
The steel pipe outer ring gas tube of portion's connection, steel pipe inner end sealing plate, which is equipped with, to be connected inside steel pipe inner seal ring inner inflatable chamber and central siphon
Logical steel pipe inner ring gas tube, modeling pipe inner end sealing plate is equipped with will mould pipe inner seal ring inner inflatable chamber and central siphon inside is connected to
Pipe inner ring gas tube is moulded, modeling manages outer end-plate and is equipped with the modeling pipe that will be moulded and be connected to inside pipe exterior seal ring inner inflatable chamber and central siphon
Outer ring gas tube.
Preferably, the central siphon is equipped with the pressure release gas vent being connected to central siphon inside, band moving frame is with central siphon by rubbing
Driving structure connection is wiped, friction driving structure includes promoting limit body, retracting limit body, friction band rotating ring, several push-pull rods, is pushed away
Pull rod is horizontal and push-pull rod one end connect band moving frame, push-pull rod other end connection friction band rotating ring, friction band moving ring sleeve are located at axis
On pipe and coaxial with central siphon, friction band rotating ring can move horizontally on central siphon, and friction band rotating ring inner ring surface is equipped with friction sealed
Slot, friction sealed slot are equipped with drag seal, and drag seal is coaxial with central siphon, between drag seal and central siphon lateral wall
It squeezes mutually, promotes limit body, retracts limit body and be in that central siphon is outer and fixed with central siphon, and limit base has for limiting steel
The sealing plate confined planes of the outer end-plate of pipe, between pressure release gas vent is in propulsion limit body and retracts limit body, at friction band rotating ring
Between promoting limit body and retracting limit body, when friction band rotating ring contact promotes limit body, drag seal seals pressure release row
Stomata；When friction band rotating ring contact retracts limit body, drag seal is detached with pressure release gas vent.
Preferably, the propulsion limit body is annular in shape, the limit body that retracts is annular in shape, promotes limit body and central siphon same
It is coaxial with central siphon to retract limit body for axis.
Preferably, the air supply pipe from inside break-make admission line and central siphon by being connected to, the gas supply end of air feed pump connects
The other end of one end of logical air supply pipe, air supply pipe is connected to from one end of break-make air inlet pipe, from the other end and axis of break-make air inlet pipe
Connection inside pipe, friction band rotating ring are equipped with one piece of break-make transverse slat, break-make transverse slat pass through from break-make air inlet pipe and with from break-make into
Tracheae is slidingly sealed cooperation, and break-make transverse slat is equipped with plate venthole, when friction band rotating ring contact promotes limit body, plate venthole with
It is connected to from the inner passage of break-make air inlet pipe；When friction band rotating ring contact retracts limit body, break-make transverse slat will be from break-make air inlet pipe
Inner passage partition.
Preferably, the central siphon lateral wall is equipped with external screw thread, steel pipe inner end sealing plate inner ring surface is moulded in the sealing plate of pipe inner end
Anchor ring is connected by the external screw thread on internal thread and central siphon lateral wall, and central siphon is equipped with inflating port in first, in second
Inflating port, inflating port in first, in second inflating port be connected to inside central siphon；The first air flue is equipped in the sealing plate of steel pipe inner end,
First air flue outer end opening is opened on steel pipe inner end sealing plate inner ring surface, steel in steel pipe inner end sealing plate outer ring surface, the first air flue inner end
Pipe inner ring gas tube one end is connected to steel pipe inner seal ring inner inflatable chamber, the steel pipe inner ring gas tube other end is outside the first air flue
End is stretched into the first air flue, is sealed between steel pipe inner ring gas tube outer tube wall and the air flue inner wall of the first air flue, in the first air flue
Rectify to inflating port in first and is connected to inflating port in first；It moulds and is equipped with the second air flue in the sealing plate of pipe inner end, outside the second air flue
For end opening in modeling pipe inner end sealing plate outer ring surface, the second air flue inner end is opened on modeling pipe inner end sealing plate inner ring surface, modeling pipe inner ring inflation
Pipe one end is connected to modeling pipe inner seal ring inner inflatable chamber, moulds the pipe inner ring gas tube other end and stretch into first from the second air flue outer end
In air flue, moulds and sealed between pipe inner ring gas tube outer tube wall and the air flue inner wall of the second air flue, the second air flue inner end face second
It interior inflating port and is connected to inflating port in second.
Preferably, the steel pipe end for the steel modeling crossover sub that connection supports frame is supported is towards limit base, the propulsion limits
Position body is in modeling and manages between outer end-plate and friction band rotating ring, retracts limit body and is in friction band rotating ring and between moving frame.
The beneficial effects of the invention are as follows：Reasonable integral structure, to steel mould crossover sub positioning and clamping in place, can ensure
Leakproofness but will not press from both sides damage steel modeling crossover sub；With can automatic adjusument sealing structure, can strengthen hyperbar detection when
Sealing effect, maintain the stability of detection process；Many places can disposably be carried out targetedly to detect, it is efficient, effect is good；
Have multiple protective structure and the control structure of coordinated type, can be to avoid the problem caused by various maloperations, and action connects
Continuous property is good, and work efficiency is high, and detection process is smooth efficiently.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is the structural schematic diagram of inventive joint supporting rack；
Fig. 3 is the enlarged drawing at A in Fig. 1；
Fig. 4 is the enlarged drawing at B in Fig. 1；
Fig. 5 is the enlarged drawing at C in Fig. 1；
Fig. 6 is the enlarged drawing at D in Fig. 1；
Fig. 7 is the enlarged drawing at E in Fig. 1.
In figure：Outer end seal is managed in air feed pump 1, air supply pipe 11, sliding rack 12, pump link 13, support sliding rail 14, central siphon 2, modeling
Plate 21, modeling pipe exterior seal ring 211, modeling pipe outer ring gas tube 212, the outer end-plate 22 of steel pipe, steel pipe exterior seal ring 221, outside steel pipe
Enclose gas tube 222, modeling pipe inner end sealing plate 23, modeling pipe inner seal ring 231, modeling pipe inner ring gas tube 232, the second air flue 23a, steel pipe
Inner end sealing plate 24, steel pipe inner seal ring 241, steel pipe inner ring gas tube 242, the first air flue 24a, the first air inlet 2a, second into
Gas port 2b, third air inlet 2c, pressure release gas vent 2d, inflating port 2e in first, inflating port 2f in second, hollow filling block 2g,
Limit base 3, connection supports frame 4, support baseboard 41, supporting vertical plate 42, V-arrangement support slot 43, end socket cylinder body 51, end socket piston rod
52, band moving frame 53, promote limit body 541, retract limit body 542, friction band rotating ring 543, drag seal 5431, push-pull rod
544, cylinder body 61, clamping piston bar 62, positioning plate 63, modeling pipeline section 71, lengths of steel pipes 72 are compressed.
Specific implementation mode
The present invention will be further described with reference to the accompanying drawings and detailed description.
In embodiment as shown in Figures 1 to 7, a kind of high pressure gas inspection machine, including main engine bed, air feed pump 1, further include blocking
Cylinder, compression cylinder, limit base 3, one central siphon 2 closed at both ends and horizontal are used to support steel modeling crossover sub and steel are made to mould
Crossover sub axis is in the connection supports frame 4 of horizontality, blocks cylinder, compression cylinder, connection supports frame and is arranged at master
On engine base, the cylinder that blocks includes end socket cylinder body 51, is slidingly sealed the end socket the cylinder piston and end socket cylinder of cooperation with end socket cylinder body
The scalable direction of the end socket piston rod 52 of piston connection, end socket piston rod level and end socket piston rod is horizontal, compression cylinder packet
It includes and compresses cylinder body 61, the compression the cylinder piston that cooperation is slidingly sealed with compression cylinder body, the clamping piston bar being connect with compression the cylinder piston
62, clamping piston bar is vertically and the scalable direction of clamping piston bar is vertical, and clamping piston bar is equipped with to be turned for compressing steel modeling
The positioning plate 63 of changing-over head, positioning plate are in above connection supports frame, and end socket piston rod is equipped with for driving central siphon along central siphon
The band moving frame 53 axially moved horizontally, central siphon are equipped with cricoid modeling and manage the outer end-plate 22 of outer end-plate 21, cricoid steel pipe, modeling
The outer end-plate peripheral surface of pipe is equipped with modeling pipe outside plate annular groove, and the outer end-plate peripheral surface of steel pipe is equipped with steel pipe outside plate annular groove, modeling pipe
The outer end-plate of outer end-plate, steel pipe, modeling pipe outside plate annular groove, steel pipe outside plate annular groove are coaxial with central siphon, mould and are set on pipe outside plate annular groove
It is useful for the modeling pipe exterior seal ring 211 of contact steel modeling crossover sub inner wall, steel pipe outside plate annular groove is equipped with to be turned for contacting steel modeling
The steel pipe exterior seal ring 221 of inner nosepiece wall is changed, central siphon is equipped with the first air inlet 2a being connected to central siphon inside, the first air inlet
Be equipped with the first breather check valve, the first breather check valve can be by direction by central siphon to outside central siphon, on central siphon outer wall
Equipped with the first baroceptor, the steel modeling crossover sub that connection supports frame is supported is between limit base and closure cylinder, is supplied
By being connected to inside air supply pipe 11 and central siphon, limit base is equipped with for contacting steel modeling crossover sub one end at the gas supply end of air pump
Elastic ring, the central siphon outer wall be equipped with it is several for stretch into steel modeling crossover sub in hollow filling block 2g, hollow filling
There is block hollow lumen, central siphon to be equipped with several inner cavity pressurized holes being connected to central siphon inside, inner cavity pressurized hole and hollow lumen
It corresponds, inner cavity pressurized hole is connected to corresponding hollow lumen.Elastic ring and steel modeling crossover sub are coaxial, and elastic ring can be by rubber
Glue or other elastic materials are made.Connectivity part inside air supply pipe and central siphon is located at modeling and manages between outer end-plate and closure cylinder.
The reading display end of first baroceptor is in outside tested steel modeling crossover sub.The steel modeling that the connection supports frame is supported turns
The steel pipe end of changing-over head is towards limit base.Air feed pump is arranged on a sliding rack 12, and air feed pump is by pumping link 13 and central siphon
Connection, main engine bed are equipped with support sliding rail 14, and sliding rack is slidably matched with support sliding rail, and the slidably direction of sliding rack is horizontal.
Support sliding rail can assist being supported air feed pump, band moving frame etc., prevent end socket piston rod load（Especially downward power）
It is excessive, while auxiliary guiding can be carried out, improve course of work stability.
The lengths of steel pipes 72 and modeling 71 internal diameter of pipeline section of steel modeling crossover sub are not necessarily identical, and usually, modeling pipeline section internal diameter omits
More than lengths of steel pipes internal diameter（Also lengths of steel pipes internal diameter in special circumstances is more than modeling pipeline section internal diameter, here only by taking normal conditions as an example
It is stated, and lengths of steel pipes internal diameter is more than under the situation of modeling pipeline section internal diameter, testing principle is also identical）.Connection supports frame
On can place steel modeling crossover sub（Be usually by lengths of steel pipes frame on connection supports frame, or will modeling pipeline section frame in connector
On supporting rack）, by steel modeling crossover sub one end（Steel pipe end）Against the elastic ring on limit base（Steel pipe end in contact elastic ring is
Can, elastic ring is not sealing structure, without sealing steel pipe end.Due to steel pipe end end face do not ensure that it is substantially flat, compared to
Rigid contact can preferably ensure contact effect using elastic ring come transition, and elastic ring has deformation adaptability, even if steel
Pipe end end face is uneven, also fully can carry out contact limit to steel pipe end comprehensively, and can reduce steel pipe end and squeeze impaired wind
Danger）, clamping piston bar drive positioning plate move down, positioning plate contact steel modeling crossover sub simultaneously by steel modeling crossover sub fix（Pressure
Firmly）, stretched out with rear head piston rod, by driving end-plate outside the modeling pipe on central siphon and central siphon with moving frame, end seal outside steel pipe
Plate is stretched into together in steel modeling crossover sub, is reached the outer end-plate of modeling pipe and is in modeling pipe end（It moulds in pipeline section）, at the outer end-plate of steel pipe
At steel pipe end（In lengths of steel pipes）State, and mould the cooperation modeling of pipe exterior seal ring and manage outer end-plate by the modeling pipe end of steel modeling crossover sub
It seals, the steel pipe end seal that steel is moulded crossover sub by the outer end-plate of steel pipe exterior seal ring cooperation steel pipe is lived.Then gas supply can be utilized
Pump supplies central siphon inside by air supply pipe, and gas enters through the first air inlet in steel modeling crossover sub, to be achieved certain
After pressure value（The pressure value can according in actual use gas or fluid pressure set, generally can be the 1 of atmospheric pressure
To 8 times）, stop gas supply（Due to the usually included check valve of air feed pump, so the gas that steel moulds in crossover sub, in central siphon will not
From gas supply pump reflux and leakage, according to the air feed pump without check valve, then need that check valve is arranged at the gas supply end of air feed pump
Or on-off valve, steel is moulded in crossover sub after being stopped the supple of gas or steam with guarantee, the gas in central siphon will not flow back）.Steel to be tested moulds crossover sub
After interior air pressure is basicly stable, the reading display end of the first baroceptor of continuous observation, if in a period of time numerical value it is unchanged or
Numerical value change in the reasonable scope, it is qualified to be tested steel modeling crossover sub air-tightness.After the completion of detection, by air feed pump and air supply pipe
（Usually cylinder special plastic hose can also use metal bellows etc.）Separation waits in steel modeling crossover sub, the height in central siphon
After body of calming the anger release, central siphon can be pulled out again.In the different detection space of two volume sizes, if be inflated to uniform pressure,
Then equity of gas is revealed, then capacious detection space internal drop is smaller, capacious detection space internal drop is larger（Though
So leakage gas flow is identical, but it is different to reveal gas proportion）.After having hollow filling block, it is equivalent in reducing
Space is detected in portion, if occurring gas leakage at this time, pressure drop can become apparent from（Baroceptor reading changes also relatively faster）, so
Setting hollow filling block can allow the present invention to have higher accuracy of detection and better detection result.And why it is hollow fill out
Block is filled, then allows for that hollow quality is smaller, it is empty when will not excessively increase the load with moving frame, end socket piston rod, and inflate
Gas is also filled in the hollow lumen of heart filling block, hollow filling block inner and outer air pressure is consistent, so being unlikely to deform, service life is more
It is long.
The connection supports frame includes horizontal 41, two vertical and parallel to each other supporting vertical plates 42 of support baseboard, branch
Support riser be equipped with for accommodate steel mould crossover sub V-arrangement support slot 43, V-arrangement support slot it is opening up, under supporting vertical plate
End is fixed with support baseboard top surface, in a supporting vertical plate：V-arrangement support slot runs through two plate faces of supporting vertical plate.Utilize two
The V-arrangement support slot of a supporting vertical plate upper end is supported and limits to tested steel modeling crossover sub as support construction.
The central siphon is equipped with cricoid modeling pipe inner end sealing plate 23, cricoid steel pipe inner end sealing plate 24, modeling pipe inner end sealing plate
Peripheral surface is equipped with modeling pipe inner panel annular groove, and steel pipe inner end sealing plate peripheral surface is equipped with steel pipe inner panel annular groove, moulds on pipe inner panel annular groove
Equipped with the modeling pipe inner seal ring 231 for moulding crossover sub inner wall for contacting steel, steel pipe inner panel annular groove is equipped with for contacting steel modeling
The steel pipe inner seal ring 241 of crossover sub inner wall, modeling pipe inner end sealing plate, steel pipe inner end sealing plate, modeling pipe inner panel annular groove, steel pipe inner panel
Annular groove is coaxial with central siphon, and modeling pipe inner end sealing plate is between steel pipe inner end sealing plate and the outer end-plate of modeling pipe, steel pipe inner end sealing plate
Be between modeling pipe inner end sealing plate and the outer end-plate of steel pipe, central siphon be equipped with the second air inlet 2b be connected to inside central siphon and
The third air inlet 2c being connected to inside central siphon, central siphon outer wall are equipped with the second baroceptor, third baroceptor, first into
Gas port and the first baroceptor are in outside steel pipe between end-plate and steel pipe inner end sealing plate, the second air inlet and the second air pressure
Sensor is between steel pipe inner end sealing plate and modeling pipe inner end sealing plate, and third air inlet is in modeling with third baroceptor
Between outer end-plate is managed in pipe inner end sealing plate and modeling, the second air inlet is equipped with the second breather check valve, and third air inlet is equipped with
Third breather check valve, the second breather check valve can by direction, third breather check valve can by direction be by axis
To outside central siphon in pipe.The reading display end of second baroceptor, the reading display end of third baroceptor are in tested
Steel is moulded outside crossover sub（The induction end of first baroceptor is in outside steel pipe between end-plate and steel pipe inner end sealing plate, and second
The induction end of baroceptor is between steel pipe inner end sealing plate and modeling pipe inner end sealing plate, at the induction end of third baroceptor
Between modeling pipe inner end sealing plate and modeling manage outer end-plate）.Increase modeling pipe inner end sealing plate and steel pipe inner end sealing plate（With modeling pipe outer end
The outer end-plate of sealing plate, steel pipe is the same, as central siphon is stretched into together in steel modeling crossover sub）, so as to disposably carry out " three sections
Detection ", respectively lengths of steel pipes, modeling pipeline section and linkage section（The Butt Section of lengths of steel pipes and modeling pipeline section）, the outer end-plate of steel pipe and steel
The air-tight cavity of detection lengths of steel pipes is formed between the sealing plate of pipe inner end, forming detection between steel pipe inner end sealing plate and modeling pipe inner end sealing plate connects
The air-tight cavity of section is connect, pipe inner end sealing plate is moulded and the air-tight cavity of formation detection modeling pipeline section between outer end-plate is managed in modeling, air feed pump passes through
First air inlet, the second air inlet, third air inlet are simultaneously inflated each section of air-tight cavity, the first baroceptor, second
Baroceptor, third baroceptor then can be simultaneously to each section of progress air pressure detections, so as to quickly and effectively obtain whether deposit
In crack and leakage, and which section specific leakage part is.
The steel pipe exterior seal ring, steel pipe inner seal ring, modeling pipe inner seal ring, modeling pipe exterior seal ring be it is internal have fill
The gas-flow closure circle of air cavity, the outer end-plate of steel pipe are equipped with the steel that will be connected to inside steel pipe exterior seal ring inner inflatable chamber and central siphon
Pipe outer ring gas tube 222, steel pipe inner end sealing plate are equipped with the steel that will be connected to inside steel pipe inner seal ring inner inflatable chamber and central siphon
Pipe inner ring gas tube 242, modeling pipe inner end sealing plate are equipped with the modeling that will be moulded and be connected to inside pipe inner seal ring inner inflatable chamber and central siphon
Pipe inner ring gas tube 232, modeling manage outer end-plate and are equipped with the modeling that will be moulded and be connected to inside pipe exterior seal ring inner inflatable chamber and central siphon
Pipe outer ring gas tube 212.Further, steel pipe exterior seal ring, steel pipe inner seal ring, modeling pipe inner seal ring, modeling pipe in this programme
Exterior seal ring is gas-flow closure circle, to which its leakproofness can be adjusted.When above-mentioned each sealing ring is conventional seals circle（Such as rubber
The solid sealing ring of glue）, in order to ensure that airtight effect when detection, sealing ring need tightly to press between steel modeling crossover sub inner wall
Patch, this results in the friction when entering steel modeling crossover sub of each sealing ring very big, easily leads into difficult and easy Fast Wearing.
And in the present solution, before detection, above-mentioned each sealing ring is all non-aerating, to which central siphon and each sealing plate, each sealing ring can be smooth
It stretches into steel modeling crossover sub, after stretching into place, air feed pump supplies central siphon inside, and gas is in addition to entering each section of seal chamber
Outside, can also enter steel pipe exterior seal ring through steel pipe outer ring gas tube, steel pipe inner seal ring is entered through steel pipe inner ring gas tube,
Modeling pipe inner seal ring is entered through moulding pipe inner ring gas tube, enters modeling pipe exterior seal ring through moulding pipe outer ring gas tube, to be formed
Each section of sealing.Also, each section of airtight cavity pressure is bigger, and pressure is also bigger in each sealing ring, so having detection air pressure and close
The autonomous adaptation regulating power of envelope ability can effectively prevent sealing insufficient or excessive seal.And it detects and completes, discharge steel modeling turn
In changing-over head and when axis overpressure, high pressure gas can be released in each sealing ring, and each sealing ring connects with steel modeling conversion after pressure release
It is minimum there is no rubbing or rubbing between head, to directly allow each sealing plate on central siphon and central siphon to be detached from steel modeling crossover sub i.e.
It can.After the form for using gas-flow closure circle, " three sections of detections "（Lengths of steel pipes, modeling pipeline section, linkage section）Baroceptor is observed to read
When number, first there is apparent pressure drop in the baroceptor in which section（Beyond zone of reasonableness）, which section gas leakage just illustrated, is existed
Crack or seal defect.In addition, one or several hollow filling blocks are all distributed in lengths of steel pipes, modeling pipeline section, linkage section.
The central siphon is equipped with the pressure release gas vent 2d being connected to central siphon inside, and band moving frame is tied with central siphon by rubbing to drive
Structure connects, and friction driving structure includes promoting limit body 541, retracting limit body 542, friction band rotating ring 543, several push-pull rods
544, push-pull rod is horizontal and push-pull rod one end connect band moving frame, the connection of the push-pull rod other end rub with rotating ring, friction band moving ring sleeve
It is located on central siphon and coaxial with central siphon, friction band rotating ring can move horizontally on central siphon, and friction band rotating ring inner ring surface, which is equipped with, to rub
Seal groove is wiped, friction sealed slot is equipped with drag seal 5431, and drag seal is coaxial with central siphon, drag seal and central siphon
It is squeezed mutually between lateral wall, promotes limit body, retracts limit body and be in that central siphon is outer and fixed with central siphon, and limit base has
The level interval of sealing plate confined planes for limiting end-plate outside steel pipe, the outer end-plate of steel pipe and limit base is less than or equal to steel pipe
The level interval of outer end-plate and central siphon, between pressure release gas vent is in propulsion limit body and retracts limit body, friction band rotating ring
It is between promoting limit body and retracting limit body, when friction band rotating ring contact promotes limit body, drag seal seals pressure release
Gas vent；When friction band rotating ring contact retracts limit body, drag seal is detached with pressure release gas vent.The propulsion limit body is in
Ring-type, the limit body that retracts is annular in shape, promotes limit body coaxial with central siphon, it is coaxial with central siphon to retract limit body.Promote limit
Body is in modeling and manages between outer end-plate and friction band rotating ring, retracts limit body and is in friction band rotating ring and between moving frame.
This programme can realize pressurization protection and releasing pressure automatically.When needing to be detected, end socket piston rod stretches out, and passes through band
Moving frame, push-pull rod carry out band dynamic friction and drive ring set movement, since there is drag seal between friction band moving ring sleeve and central siphon, and
Mutual extrusion friction between drag seal and central siphon lateral wall, so friction band moving ring sleeve can be straight by drag seal at this time
Tape splicing moving axis pipe moves, and so that central siphon is entered steel together with each sealing plate and moulds crossover sub, waits for that the outer end-plate of steel pipe touches limit base
On sealing plate confined planes after, central siphon positioning cannot move on, and the band rotating ring that rubs can continue to push and be advanced until and touch
Limit body, end socket cylinder body is promoted to be stopped（Pressure release gas vent is sealed by drag seal at this time）.In the present solution, only completing
The entirety of central siphon and each sealing plate is stretched into, is positioned, and pressure release gas vent can just be sealed by drag seal, just can smoothly allow central siphon
Inflation, pressurize are realized in interior, each sealing ring, to can just be detected.And after the completion of detecting, end socket piston rod is directly withdrawn,
Since each sealing ring is in swelling state at this time, tightly it is affixed between moulding crossover sub with steel, so central siphon is equal together with each sealing plate
It can not move, end socket piston rod can only will be rubbed and be retracted with rotating ring by band moving frame, push-pull rod, until friction band rotating ring contact drawing
Limit body is returned, and in the process, drag seal can leave pressure release gas vent, and in central siphon, gas can be discharged in each sealing ring,
In each sealing ring after gas discharge, sealing effect disappears, and steel is moulded in crossover sub（That is in three seal sections）Gas can also arrange
Go out（It is no longer tightly affixed between each sealing ring and steel modeling crossover sub at this time）, to continue to withdraw with end socket piston rod,
Central siphon can also be drawn out together with each sealing plate, be detached from steel modeling crossover sub.It is dynamic that the above process eliminates all extra pressure releases
Make（Separation, docking operation such as air supply pipe and air feed pump）, disposably realize first release stress, delay pulls out the dynamic of central siphon afterwards
Make, whole process is reasonable, coherent, efficient.
The central siphon lateral wall is equipped with external screw thread, and steel pipe inner end sealing plate inner ring surface, modeling pipe inner end sealing plate inner ring surface are logical
It crosses internal thread to be connected with the external screw thread on central siphon lateral wall, central siphon is equipped with inflating port 2e in first, inflating port in second
2f, inflating port in first, in second inflating port be connected to inside central siphon；The first air flue 24a is equipped in the sealing plate of steel pipe inner end, the
One air flue outer end opening is opened on steel pipe inner end sealing plate inner ring surface, steel pipe in steel pipe inner end sealing plate outer ring surface, the first air flue inner end
Inner ring gas tube one end is connected to steel pipe inner seal ring inner inflatable chamber, the steel pipe inner ring gas tube other end is from the first air flue outer end
It stretches into the first air flue, is sealed between steel pipe inner ring gas tube outer tube wall and the air flue inner wall of the first air flue, the first air flue inner end
It inflating port and is connected to inflating port in first in face first；It moulds and is equipped with the second air flue 23a in the sealing plate of pipe inner end, outside the second air flue
For end opening in modeling pipe inner end sealing plate outer ring surface, the second air flue inner end is opened on modeling pipe inner end sealing plate inner ring surface, modeling pipe inner ring inflation
Pipe one end is connected to modeling pipe inner seal ring inner inflatable chamber, moulds the pipe inner ring gas tube other end and stretch into first from the second air flue outer end
In air flue, moulds and sealed between pipe inner ring gas tube outer tube wall and the air flue inner wall of the second air flue, the second air flue inner end face second
It interior inflating port and is connected to inflating port in second.Steel pipe inner seal ring is fixed on steel pipe inner panel annular groove, and modeling pipe inner seal ring is solid
It is scheduled on modeling pipe inner panel annular groove.After having segmentation detection function, the whole detection inside steel modeling crossover sub can be still carried out,
Before needing to carry out the inside overall tightness detection of steel modeling crossover sub, turn steel pipe inner end sealing plate, modeling pipe inner end sealing plate are only needed,
The first air flue inner end is allowed to be misaligned with inflating port in first, not be connected to, inflating port is allowed in the second air flue inner end and second to be misaligned,
Be not connected to, thus, be inflated again, pressurize, detection when, only steel pipe exterior seal ring and modeling pipe exterior seal ring play sealing
Effect, so as to realize the overall tightness detection inside steel modeling crossover sub（Remaining step is identical as segmentation detection）.It is whole
After the completion of physical examination is surveyed, segmentation detection is if desired carried out again, then first turn steel pipe inner end sealing plate, modeling pipe inner end sealing plate, make in steel pipe
End-plate, modeling pipe inner end seals sheet reset can re-start segmentation detection.
In addition, there is minimum probability, it may appear that following situations：Steel moulds the leakage position on crossover sub, just by connector
The detection location structure such as supporting rack, positioning plate blocks, and gas leakage, needle are not detected among out so as to cause these leakage positions when detection
If further increasing testing result accuracy in this regard, wanting to improve, steel modeling crossover sub can be existed after the completion of one-time detection
Connection supports frame upper edge steel moulds crossover sub axis and rotates an angle, such as 20 degree, thus, connection supports frame, positioning plate
Or on positioning plate for contact the structure etc. of steel modeling crossover sub be contacted again steel modeling crossover sub position can with it is preceding primary
Contact position it is different, in conjunction with testing result twice, so that it may with must tap mould crossover sub leakproofness whether the conclusion of qualification.
Claims (4)
1. a kind of high pressure gas examines machine, including main engine bed, air feed pump, characterized in that further include blocking cylinder, compression cylinder, limit
Seat, one closed at both ends and horizontal central siphon, is used to support steel modeling crossover sub and steel modeling crossover sub axis is made to be in level
The connection supports frame of state blocks cylinder, compression cylinder, connection supports frame and is arranged on main engine bed, the closure cylinder packet
End socket cylinder body, end socket the cylinder piston, end socket piston rod are included, the scalable direction of end socket piston rod is horizontal, and compression cylinder includes compressing
Cylinder body compresses the cylinder piston, clamping piston bar, and the scalable direction of clamping piston bar is vertical, and clamping piston bar is equipped with for pressing
The positioning plate of tight steel modeling crossover sub, positioning plate are in above connection supports frame, and end socket piston rod is equipped with for driving central siphon
The band moving frame axially moved horizontally along central siphon, central siphon are equipped with cricoid modeling and manage the outer end-plate of outer end-plate, cricoid steel pipe, modeling
The outer end-plate peripheral surface of pipe is equipped with modeling pipe outside plate annular groove, and the outer end-plate peripheral surface of steel pipe is equipped with steel pipe outside plate annular groove, modeling pipe
The outer end-plate of outer end-plate, steel pipe, modeling pipe outside plate annular groove, steel pipe outside plate annular groove are coaxial with central siphon, mould and are set on pipe outside plate annular groove
It is useful for the modeling pipe exterior seal ring of contact steel modeling crossover sub inner wall, steel pipe outside plate annular groove is equipped with to be connect for contacting steel modeling conversion
The steel pipe exterior seal ring of head inner wall, central siphon be equipped with the first air inlet for be connected to inside central siphon, the first air inlet is equipped with the
One breather check valve, the first breather check valve can be by, to outside central siphon, central siphon outer wall is equipped with first in central siphon by direction
Baroceptor, between the steel modeling crossover sub that connection supports frame is supported is in limit base and blocks cylinder, the confession of air feed pump
By being connected to inside air supply pipe and central siphon, limit base is equipped with the elastic ring for contacting steel modeling crossover sub one end, institute at gas end
It states central siphon outer wall and is equipped with several hollow filling blocks for stretching into steel modeling crossover sub, hollow filling block has in hollow
Chamber, central siphon are equipped with several inner cavity pressurized holes being connected to central siphon inside, and inner cavity pressurized hole is corresponded with hollow lumen, inner cavity
Pressurized hole is connected to corresponding hollow lumen, and the central siphon is equipped with cricoid modeling pipe inner end sealing plate, cricoid steel pipe inner end sealing plate,
It moulds pipe inner end sealing plate peripheral surface and is equipped with modeling pipe inner panel annular groove, steel pipe inner end sealing plate peripheral surface is equipped with steel pipe inner panel annular groove, modeling
Pipe inner panel annular groove is equipped with the modeling pipe inner seal ring that crossover sub inner wall is moulded for contacting steel, and steel pipe inner panel annular groove is equipped with and is used for
Contact the steel pipe inner seal ring of steel modeling crossover sub inner wall, modeling pipe inner end sealing plate, steel pipe inner end sealing plate, modeling pipe inner panel annular groove, steel
Pipe inner panel annular groove is coaxial with central siphon, and modeling pipe inner end sealing plate is between steel pipe inner end sealing plate and the outer end-plate of modeling pipe, in steel pipe
End-plate is between modeling pipe inner end sealing plate and the outer end-plate of steel pipe, and central siphon is equipped with the second air inlet being connected to central siphon inside
Mouth, the third air inlet being connected to central siphon inside, central siphon outer wall are equipped with the second baroceptor, third baroceptor, the
One air inlet and the first baroceptor are in outside steel pipe between end-plate and steel pipe inner end sealing plate, the second air inlet and second
Baroceptor is between steel pipe inner end sealing plate and modeling pipe inner end sealing plate, and third air inlet is located with third baroceptor
Between modeling pipe inner end sealing plate and modeling manage outer end-plate, the second air inlet is equipped with the second breather check valve, on third air inlet
Equipped with third breather check valve, the second breather check valve can be by direction by direction, third breather check valve
By, to outside central siphon, the steel pipe exterior seal ring, steel pipe inner seal ring, modeling pipe inner seal ring, modeling pipe exterior seal ring are in central siphon
Inside has the gas-flow closure circle of inflatable chamber, and the outer end-plate of steel pipe is equipped with will be in steel pipe exterior seal ring inner inflatable chamber and central siphon
The steel pipe outer ring gas tube of portion's connection, steel pipe inner end sealing plate, which is equipped with, to be connected inside steel pipe inner seal ring inner inflatable chamber and central siphon
Logical steel pipe inner ring gas tube, modeling pipe inner end sealing plate is equipped with will mould pipe inner seal ring inner inflatable chamber and central siphon inside is connected to
Pipe inner ring gas tube is moulded, modeling manages outer end-plate and is equipped with the modeling pipe that will be moulded and be connected to inside pipe exterior seal ring inner inflatable chamber and central siphon
Outer ring gas tube, the central siphon are equipped with the pressure release gas vent being connected to central siphon inside, and band moving frame is driven with central siphon by rubbing
Structure connects, and friction driving structure includes promoting limit body, retracting limit body, friction band rotating ring, several push-pull rods, push-pull rod water
Flat and push-pull rod one end connect band moving frame, push-pull rod other end connection friction band rotating ring, friction band moving ring sleeve be located on central siphon and
Coaxial with central siphon, friction band rotating ring can move horizontally on central siphon, and friction band rotating ring inner ring surface is equipped with friction sealed slot, friction
Seal groove is equipped with drag seal, and drag seal is coaxial with central siphon, is squeezed mutually between drag seal and central siphon lateral wall
Pressure promotes limit body, retracts limit body and be in that central siphon is outer and fixed with central siphon, and limit base has for limiting steel pipe outer end
The sealing plate confined planes of sealing plate, between pressure release gas vent is in propulsion limit body and retracts limit body, friction band rotating ring is in propulsion
Limit body and between retracting limit body, when friction band rotating ring contact promotes limit body, drag seal seals pressure release gas vent；It rubs
When wiping band rotating ring contact retracts limit body, drag seal is detached with pressure release gas vent；The central siphon lateral wall is equipped with outer spiral shell
Line, steel pipe inner end sealing plate inner ring surface, modeling pipe inner end sealing plate inner ring surface are matched by internal thread and the external screw thread on central siphon lateral wall
Close connection, central siphon is equipped with inflating port in first, inflating port in second, and inflating port in first, inflating port is and central siphon in second
Inside connection；It is equipped with the first air flue in the sealing plate of steel pipe inner end, the first air flue outer end opening is in steel pipe inner end sealing plate outer ring surface, and first
Air flue inner end is opened on steel pipe inner end sealing plate inner ring surface, and steel pipe inner ring gas tube one end connects with steel pipe inner seal ring inner inflatable chamber
Logical, the steel pipe inner ring gas tube other end is stretched into from the first air flue outer end in the first air flue, steel pipe inner ring gas tube outer tube wall and the
It seals between the air flue inner wall of one air flue, inflating port and is connected to inflating port in first in the first air flue inner end face first；Modeling
The second air flue is equipped in the sealing plate of pipe inner end, the second air flue outer end opening in modeling pipe inner end sealing plate outer ring surface, open by the second air flue inner end
Mouth is connected to modeling pipe inner seal ring inner inflatable chamber, moulds in pipe in modeling pipe inner end sealing plate inner ring surface, modeling pipe inner ring gas tube one end
The circle gas tube other end is stretched into from the second air flue outer end in the first air flue, moulds the gas of pipe inner ring gas tube outer tube wall and the second air flue
It seals between road inner wall, inflating port and is connected to inflating port in second in the second air flue inner end face second.
2. a kind of high pressure gas according to claim 1 examines machine, characterized in that the connection supports frame includes horizontal support
Bottom plate, two vertical and parallel to each other supporting vertical plates, supporting vertical plate are equipped with the V-arrangement support that crossover sub is moulded for accommodating steel
Slot, V-arrangement support slot it is opening up, supporting vertical plate lower end is fixed with support baseboard top surface.
3. a kind of high pressure gas according to claim 1 examines machine, characterized in that the propulsion limit body is annular in shape, the drawing
It is annular in shape to return limit body, promotes limit body coaxial with central siphon, it is coaxial with central siphon to retract limit body.
4. a kind of high pressure gas according to claim 1 or 3 examines machine, characterized in that the steel that the connection supports frame is supported
The steel pipe end of crossover sub is moulded towards limit base, promotes limit body to be in modeling and manages between outer end-plate and friction band rotating ring, retract
Limit body is in friction band rotating ring and between moving frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610182959.0A CN105823611B (en) | 2016-03-26 | 2016-03-26 | A kind of high pressure gas inspection machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610182959.0A CN105823611B (en) | 2016-03-26 | 2016-03-26 | A kind of high pressure gas inspection machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105823611A CN105823611A (en) | 2016-08-03 |
| CN105823611B true CN105823611B (en) | 2018-10-02 |
Family
ID=56524943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610182959.0A Active CN105823611B (en) | 2016-03-26 | 2016-03-26 | A kind of high pressure gas inspection machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105823611B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB201435A (en) * | 1922-09-04 | 1923-08-02 | British Mannesmann Tube Compan | Appliance for testing pipe joints and the like |
| DE387157C (en) * | 1918-01-01 | 1923-12-21 | Johann Godra | Device for testing pipe seals |
| DE2446743A1 (en) * | 1974-09-12 | 1976-04-08 | Hans Braun | Tube testing device by pressure - uses hydraulic pressure to test strength and tightness of welded seams and of tubes themselves |
| DE2932280A1 (en) * | 1979-08-09 | 1981-02-26 | Baumann & Burmeister | Tube testing system - uses inserted cylinder forming test chamber between inflated sealing rings and leaving free inner passage |
| JPS61246647A (en) * | 1985-04-24 | 1986-11-01 | Osaka Gas Co Ltd | Leakage inspection apparatus for existing conduit |
| DE8914185U1 (en) * | 1989-12-01 | 1990-01-25 | Fabritz, Gerhard, 4150 Krefeld | Duct tester |
| DE20102093U1 (en) * | 2001-02-07 | 2002-07-18 | JT-Elektronik GmbH, 88131 Lindau | Device for testing the tightness of secondary channels including their connection to the main channel |
| US6619109B1 (en) * | 2000-09-25 | 2003-09-16 | Siemens Westinghouse Power Corporation | Steam turbine inlet bell seal inspection apparatus and method |
| DE10219211A1 (en) * | 2002-04-29 | 2003-11-06 | Arpe Ag Sissach | Leak detection device, especially for use in waste water pipe systems, comprises a piston and cylinder arrangement for applying a constant force to a water filled test chamber formed over the suspect or test pipe length |
| CN101858817A (en) * | 2010-06-10 | 2010-10-13 | 北京冶核技术发展有限责任公司 | Equal-pressure virtual isolation check valve sealing test method and equipment |
| CN103189726A (en) * | 2010-11-01 | 2013-07-03 | 马里凯普有限公司 | Method and apparatus for pressure testing a pipe joint |
| CN105203274A (en) * | 2015-10-15 | 2015-12-30 | 宁波新合博园林机械有限公司 | Pipe fitting sealing property testing device |
-
2016
- 2016-03-26 CN CN201610182959.0A patent/CN105823611B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE387157C (en) * | 1918-01-01 | 1923-12-21 | Johann Godra | Device for testing pipe seals |
| GB201435A (en) * | 1922-09-04 | 1923-08-02 | British Mannesmann Tube Compan | Appliance for testing pipe joints and the like |
| DE2446743A1 (en) * | 1974-09-12 | 1976-04-08 | Hans Braun | Tube testing device by pressure - uses hydraulic pressure to test strength and tightness of welded seams and of tubes themselves |
| DE2932280A1 (en) * | 1979-08-09 | 1981-02-26 | Baumann & Burmeister | Tube testing system - uses inserted cylinder forming test chamber between inflated sealing rings and leaving free inner passage |
| JPS61246647A (en) * | 1985-04-24 | 1986-11-01 | Osaka Gas Co Ltd | Leakage inspection apparatus for existing conduit |
| DE8914185U1 (en) * | 1989-12-01 | 1990-01-25 | Fabritz, Gerhard, 4150 Krefeld | Duct tester |
| US6619109B1 (en) * | 2000-09-25 | 2003-09-16 | Siemens Westinghouse Power Corporation | Steam turbine inlet bell seal inspection apparatus and method |
| DE20102093U1 (en) * | 2001-02-07 | 2002-07-18 | JT-Elektronik GmbH, 88131 Lindau | Device for testing the tightness of secondary channels including their connection to the main channel |
| DE10219211A1 (en) * | 2002-04-29 | 2003-11-06 | Arpe Ag Sissach | Leak detection device, especially for use in waste water pipe systems, comprises a piston and cylinder arrangement for applying a constant force to a water filled test chamber formed over the suspect or test pipe length |
| CN101858817A (en) * | 2010-06-10 | 2010-10-13 | 北京冶核技术发展有限责任公司 | Equal-pressure virtual isolation check valve sealing test method and equipment |
| CN103189726A (en) * | 2010-11-01 | 2013-07-03 | 马里凯普有限公司 | Method and apparatus for pressure testing a pipe joint |
| CN105203274A (en) * | 2015-10-15 | 2015-12-30 | 宁波新合博园林机械有限公司 | Pipe fitting sealing property testing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105823611A (en) | 2016-08-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105823610B (en) | A kind of pressurization detection device | |
| CN105841896A (en) | Device for testing sealing performance of steel plastic pipe | |
| CN105716805B (en) | A kind of closure detection device | |
| CN210464821U (en) | Tightness detection device for mesh steel belt polyethylene composite pipe | |
| CN105865727B (en) | A kind of pressure maintaining detection device | |
| CN106289662A (en) | A kind of steel pipe sealing inflating pressure detection device | |
| CN105757056B (en) | A kind of sealed leakage detector | |
| CN105841895B (en) | Joint sealing equipment | |
| CN105666100B (en) | One kind envelope pressure test machine | |
| CN109916560A (en) | Compound steelplastic pipe part air-tightness detection device | |
| CN210243114U (en) | Bellows leakproofness detection device | |
| CN210375684U (en) | Valve pressing test device for welding connection | |
| CN105699024B (en) | Test machine is pressurized in a kind of | |
| CN105841897B (en) | A kind of performing leak test machine | |
| CN105823609B (en) | A kind of air-tightness quality inspection equipment | |
| CN105841898A (en) | Gas tightness detection device | |
| CN105823611B (en) | A kind of high pressure gas inspection machine | |
| CN105784296B (en) | Gas check is pressurized in a kind of | |
| CN105675232B (en) | A kind of gas supply test device | |
| CN105628315A (en) | Pressurization testing machine | |
| CN217032914U (en) | Valve leakproofness detects uses hydraulic test machine | |
| CN106323560A (en) | Automatic sealing performance testing equipment | |
| CN201106733Y (en) | Low pressure aerosphere plugging apparatus | |
| CN216247041U (en) | Elbow work piece airtight detection clamping device | |
| CN105628316A (en) | Steel-plastic adapter sealing detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180831 Address after: 526600 Guangdong Zhaoqing Deqin Town Industrial Park Applicant after: Deqin Ya Chang stainless steel pipe Co., Ltd. Address before: 311835 Wangjia village, Shang Fan Village, Dian Kou Town, Zhuji City, Shaoxing, Zhejiang 99 Applicant before: Xuan Yueluo |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |