CN108444648A - Steel moulds bridgeware air tightness detection equipment - Google Patents
Steel moulds bridgeware air tightness detection equipment Download PDFInfo
- Publication number
- CN108444648A CN108444648A CN201810475260.2A CN201810475260A CN108444648A CN 108444648 A CN108444648 A CN 108444648A CN 201810475260 A CN201810475260 A CN 201810475260A CN 108444648 A CN108444648 A CN 108444648A
- Authority
- CN
- China
- Prior art keywords
- bridgeware
- steel
- tracheae
- sealing block
- template
- 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.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 106
- 239000010959 steel Substances 0.000 title claims abstract description 106
- 238000001514 detection method Methods 0.000 title claims abstract description 32
- 238000007789 sealing Methods 0.000 claims abstract description 74
- 238000012360 testing method Methods 0.000 claims abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 239000011241 protective layer Substances 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 2
- 235000011613 Pinus brutia Nutrition 0.000 description 2
- 241000018646 Pinus brutia Species 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 241000486406 Trachea Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000009304 pastoral farming Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/06—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool
- G01M3/08—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for pipes, cables or tubes; for pipe joints or seals; for valves; for welds
- G01M3/085—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for 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)
- Examining Or Testing Airtightness (AREA)
Abstract
A kind of steel moulds bridgeware air tightness detection equipment, both sides above pond, using pond center line as symmetry axis, be symmetrically arranged with holder；Piston cylinder is fixedly connected on holder, the piston rod of piston cylinder extends downwardly, and piston-rod end is fixedly connected with sealing block；Pond is internally provided with " V " template that bridgeware is moulded for fixing steel, and holder is parallel with the corresponding side of " V " template or in the same plane, is provided with stomata on one side towards pond in sealing block, stomata is connect with the gas port of steel modeling bridgeware；Test tracheae is connected on sealing block, the one end for testing tracheae is connected to by the internal duct of sealing block with stomata, and the other end and piston cylinder for testing tracheae are connect with air source respectively.The present invention can not only test straight steel modeling bridgeware, can also test curved steel modeling bridgeware, and convenient test fast improves testing efficiency, saves working time.
Description
Technical field
The present invention relates to air-leakage test technical fields, and in particular to a kind of steel modeling bridgeware air tightness detection equipment.
Background technology
Currently, gas pipeline widely enters many residence districts and family, brought to the life of each family
Facility.When being laid with gas pipeline, underground need be laid with PE pipelines, and the part for leaking out ground then need to be laid with it is seamless
Steel pipe；Therefore it needs to use more steel modeling bridgeware, and the air-leakage test of these steel modeling bridgeware is completely important.
Steel modeling bridgeware test device originally is arranged detected steel as shown in Figure 1, including connecting rod A on connecting rod A
Bridgeware is moulded, the both ends of connecting rod A are fixedly connected with sealing block B1 and B2, and sealing block B1 and B2 seal up the gas of steel modeling bridgeware
Mouthful；Stomata is provided on sealing block B1, stomata is connected by the internal duct of sealing block B1 and the tracheae C of the other sides sealing block B1
It connects, pressure gauge D is set on tracheae C, tracheae C is after pressure gauge, then moulds bridgeware to steel by the stomata on sealing block B1 and fill
Gas；Sealing block B2 is fixed on the side that tested steel moulds bridgeware by the other side of connecting rod A by nut E.The device exists
To being put it into pond after steel modeling bridgeware ventilation, whether there is or not gas leak phenomenons for detection bridgeware.The detection device can preferably give
Steel moulds bridgeware and carries out air-leakage test, but be made of metal due to the connecting rod of the device, quality is harder, can not be curved
Folding, therefore this detection device can not detect bend pipe；When making bend pipe, straight tube can only be given in the state of bend pipe or straight tube
It is detected, qualified straight tube is processed into bend pipe by detection again later；But bend pipe will appear grazing during post-production,
The probability for forming substandard products increases.In addition, this detection device can only be detected individually, detection speed is slow, and working efficiency is too low；And
Test is required for rotating nuts every time, and intricate operation, heavy workload, it is very arduous that worker tests detection.
Invention content
The present invention proposes a kind of steel modeling bridgeware air tightness detection equipment, can pass through " V " template and angle-regulating block
With the use of being detected to bend pipe, using piston cylinder and piston rod by detection device mechanization, reduce the work of worker
Amount；And multiple steel modeling bridgewares can be once tested, increase working efficiency.
The invention is realized by the following technical scheme：
A kind of steel moulds bridgeware air tightness detection equipment, including pond, and both sides above pond with pond center line are symmetrical
Axis is symmetrically arranged with holder；Piston cylinder is fixedly connected on the holder, the piston rod of piston cylinder extends downwardly, piston rod
End be fixedly connected with sealing block；Pond be internally provided with for fix steel mould bridgeware " V " template, the holder with
The correspondence side of " V " template is parallel or in the same plane, and stomata, stomata and steel are provided on one side towards pond in sealing block
The gas port connection of bridgeware is moulded, the sealing block sets a leachy side end face and pasted with end face where the gas port of steel modeling bridgeware
It closes；Test tracheae is connected on sealing block, the one end for testing tracheae is connected to by the internal duct of sealing block with stomata, test
The other end and piston cylinder of tracheae are connect with air source respectively.
Further, it has been respectively fixedly connected with sliding rail between the both sides of the pond overhead support, the holder passes through
Sliding block is moved along sliding rail, and sliding block is fixed by fixing piece A with sliding rail；Holder is swung by fixing piece B and sliding block and is connected, and is propped up
Frame is fixed by fastener and fixing piece B；Holder is fixed by fastener and fixing piece B；Fastening between holder and fixing piece
Part can be with adjusting elasticity, when needing to adjust the length of holder, by fastener tune pine；It is needing to fix on holder and fixing piece
When, fastener is tightened.
Further, the bottom of described " V " template is connected by pivot, and the inner wall in " V " template and pond is set
Angled adjusting block.
Further, the angle-regulating block is side cushion block triangular in shape,（The angle and thickness of cushion block are according to quilt
The angle of the bend pipe of test customizes）Pad between template and pool inner wall, is lined with " V " template formation of angle-regulating block at " V "
Angle and steel modeling bridgeware bend pipe angle match.
Further, when detection device is detected to the straight tube of steel modeling bridgeware, the folder of described " V " template formation
Angle is 90 degree, and the bottom between " V " template is equipped with straight tube adjusting block, and straight tube adjusting block is chamfering formula, is placed on the upside of " V " template
Bottom；End face of the straight tube adjusting block towards sealing block is vertical with the respective side of " V " template, and the sealing block is equipped with stomata
End face it is vertical with the respective side of " V " shape plate.
Further, it is fixedly connected on " V " template and moulds the matched fixing piece of bridgeware with steel, set on " V " template
It is equipped with water hole.
Further, the sealing block, fixing piece and straight tube adjusting block and the contact surface of steel modeling bridgeware are both provided with
Protective layer.
Further, the protective layer is made of cushion, is fixed on sealing block, straight tube adjusting block and fixing piece and steel is moulded
On the contact surface of bridgeware.
Further, the gas nozzle at the piston cylinder both ends is connected to by reversal valve with one end of action tracheae respectively, is moved
The other end for making tracheae is connected to air source；The outlet side of the reversal valve is respectively communicated with equipped with escape pipe A, escape pipe B and deflation
Mouthful；Escape pipe A and escape pipe B are connected to the gas nozzle at piston cylinder both ends respectively.
Further, the escape pipe A and escape pipe B are respectively connected with three-way connection；The escape pipe A's is in charge of difference
It is connect with the air inlet of pond both sides piston cylinder, the escape pipe B's is in charge of the gas outlet with pond both sides piston cylinder respectively
Connection.
Further, the air source is respectively communicated with by three-limb tube B and action tracheae and test tracheae, the threeway
The two of which of connecting tube B connects gas port and is separately connected respectively with action tracheae and test tracheae, the last one connects gas port and air inlet
Manifold connections, and be connected to air source by inlet manifold, it is equipped with main valve and pressure gauge on the inlet manifold successively respectively.
Further, it is connected with intake valve on the test tracheae, on the test tracheae, is located at intake valve and sealing
Third pipeline of the connection equipped with three-limb tube A, the three-limb tube A is equipped with air outlet valve between block.
Further, the test tracheae is connected with three-way connection；Test tracheae be in charge of respectively with pond both sides
The gas port of sealing block connects.
（Three）Advantageous effect
A kind of steel proposed by the present invention moulds bridgeware air tightness detection equipment, compared with prior art, has beneficial below
Effect：
（1）It is moved up and down using the cooperation of piston cylinder and piston rod to adjust sealing block, allows sealing block and steel to mould bridgeware and carry out
Closed connection or release running；And " V " template and angle adjustment plate are used cooperatively so that the technical program not only can be with
It is measured to bend pipe, and reduces the workload of worker, improve the efficiency of detection.
（2）Angle-regulating block can be replaced according to the angle of bend pipe, and the thickness that matches is customized according to the angle of bend pipe
Angle-regulating block, allow angle-regulating block formed angle and the angle of bend pipe angle match.Pass through sliding rail on holder again
Design and the movable connection of holder and sliding block and the adjustable connection of holder and fixing piece, allow holder angle according to
The angle and length of detected steel modeling bridgeware are adjusted, it is ensured that the plane of plane and steel the modeling bridgeware gas port of sealing block
It perfect can be bonded, reach closed connection.
（3）Multiple stomatas are provided on sealing block, each stomata corresponds to a steel and moulds bridgeware so that the technical program can
Bridgeware is moulded with the multiple steel of one-time detection, working efficiency is increased, saves detection time.
（4）When the angle of " V " shape plate is 90 degree, straight tube can also be placed by the bottom between " V " shape plate
Adjusting block, to which the detected steel modeling bridgeware to straight tube carries out air tightness test.
（5）The design for testing air outlet valve on tracheae, after the completion of test, the gas inside discharge steel modeling bridgeware, when
The air pressure inside for reducing detected member, allows sealing block to withdraw more stable；Second is that when detecting straight tube, sealing block is avoided directly to withdraw
Shi Shuihui is influenced to spray from intermediate gas port by air pressure.
（6）The design in water hole on " V " shape plate, is proposing " V " shape plates when water as water hole is flowed through, can reduce hydraulic pressure to " V "
The effect of shape plate, it is relatively labor-saving.
（7）The design of protection block can protect the coating of steel modeling bridgeware outer surface, prevent coating from being scratched.
Description of the drawings
Fig. 1 is the overall structure diagram of the prior art in background of invention.
Fig. 2 is the overall structure diagram of embodiment 1 in the present invention.
Fig. 3 be angle-regulating block in the embodiment of the present invention 1 with " status diagrams of V " shape plates.
Fig. 4 is the overall structure diagram of embodiment 2 in the present invention.
Fig. 5 be angle-regulating block in the embodiment of the present invention 2 with " status diagrams of V " shape plates.
Label in attached drawing 1 and parts mark：A- connecting rods, B1- sealing blocks, B2- sealing blocks, C- tracheaes, D- pressure
Table, E- nuts.
Label in attached drawing 2-5 and parts mark：The ponds 1-, 2- stabilizer blades, 3- holders, 31- sliding rails, 32- fasteners,
33- fixing piece B, 4- piston cylinder, 41- escape pipe A, 42- escape pipe B, 43- piston rod, 5- reversal valves, 51- actions tracheae, 6- pressures
Power table, 7- inlet manifold, 71- main valves, 8- sealing blocks, 81- stomatas, 82- tests tracheae, 83- intake valves, 84- air outlet valves, 9-
" V " template, 91- fixing pieces, the water holes 92-, 10- angle-regulating blocks, 10 '-straight tube adjusting blocks, 11- protect cushion.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes.Described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.This is not being departed from
Under the premise of invention design concept, all variations and modifications that ordinary people in the field makes technical scheme of the present invention,
Protection scope of the present invention should be dropped into.
Embodiment 1：Straight tube tester
As Figure 2-3：A kind of steel modeling bridgeware air tightness detection equipment, including pond 1,1 lower section of pond are fixedly connected with branch
Foot 2, the both sides of 1 top of pond are symmetrically arranged with holder 3 by symmetry axis of pond center line；The holder 3 and pond 1 is logical
Fixing piece B33 connections are crossed, are welded and fixed between fixing piece B33 and pool wall；Pass through fastener between fixing piece B33 and holder 3
32 fix, and the fastener 32 between holder 3 and fixing piece B33 can be with adjusting elasticity, when needing to adjust the length of holder 3, will
Fastener 32 adjusts pine；When needing to fix on holder 1 and fixing piece B33, fastener 32 is tightened.Allow 3 basis of holder
The length of the length adjustment holder 3 of detected member.
Piston cylinder 4 is fixedly connected on holder 3, the piston rod 43 of piston cylinder 4 extends downwardly, and the end of piston rod 43 is fixed
It is connected with sealing block 8, is provided with stomata 81 on one side towards pond 1 in sealing block 8, stomata 81 and the gas port of steel modeling bridgeware connect
It connects, the side end face that the sealing block 8 is equipped with stomata 81 is bonded with the gas port place end face that steel moulds bridgeware；Sealing block 8 and steel
Matcoveredn 11 is arranged in the face for moulding the contact of bridgeware gas port end face, and protective layer 11 is made of cushion.
Pond 1 is internally provided with " V " template 9 that bridgeware is moulded for fixing steel, pair of the holder 3 and " V " template 9
It answers side parallel or in the same plane, the bottom of " V " template 9 is connected by pivot, in " V " template 9 and pond 1
Angle-regulating block 10 is lined between inner wall, the angle-regulating block 10 is the side cushion block (angle and thickness of cushion block triangular in shape
Degree is customized according to the angle of tested bend pipe）.When detection device turns the straight tube of part to steel modeling to be detected, described " V " type
The angle that plate 9 is formed is 90 degree, and the bottom between " V " template 9 is equipped with straight tube adjusting block 10 '；10 ' the face of straight tube adjusting block
Vertical with the respective side of " V " template 9 to the end face of sealing block 8, the sealing block 8 sets pair of leachy end face and " V " shape plate 9
Answer side vertical.
It is parallel that end face of the straight tube adjusting block 10 ' towards sealing block 8 with sealing block 8 sets leachy end face；Ensure sealing block 8
The end face of bridgeware is moulded with the end face of steel modeling bridgeware and straight tube adjusting block 10 ' and steel can fit closely；Straight tube is adjusted
End face of the block 10 ' towards sealing block 8 is fixed with protection cushion 11.
It is fixedly connected on " V " template 9 and moulds the matched fixing piece 91 of bridgeware with steel, radius and the steel modeling of fixing piece 91 turn
The radius for changing part is corresponding；（Fixing piece 91 can mould the radius demand of bridgeware by the steel of different model by be replaced）；
On fixing piece 91, it is fixedly connected with neonychium 11 on steel modeling bridgeware contact surface, protects the outer of the surface of steel modeling bridgeware
Paint.Between fixing piece 91, " multiple water holes 92 are provided on V " shapes plate 9, water can be allowed to flow through.
Multigroup fixing piece 91 is fixedly connected on " V " template 9, sealing block 8 is equipped on a side end face of stomata 81 and is provided with
The quantity of multiple stomatas 81, stomata 81 is identical as the group number of fixing piece 91, and respectively corresponding steel modeling turns each stomata 81 respectively
Part is changed, the gas port that each stomata 81 respectively moulds bridgeware with steel respectively is connect；Multiple steel modeling bridgewares can be tested simultaneously.Sealing
The branch pipe of test tracheae 82 is connected on block 8, the branch pipe for testing tracheae 82 is connected by the internal duct of sealing block 8 with stomata 81
Logical, the other end of test tracheae 82 is connected with intake valve 83.On the test tracheae 82, be located at intake valve 83 and sealing block 8 it
Between third pipeline of the connection equipped with three-limb tube A, the three-limb tube A equipped with air outlet valve 84.Test on tracheae 82,
Be connected between air outlet valve 84 and sealing block 8 equipped with three-way connection C, two branch pipes of the test tracheae 82 respectively with water
The gas port of the sealing block 8 of 1 both sides of pond connects.
The gas nozzle at 4 both ends of piston cylinder is connected separately with escape pipe A41 and escape pipe B42；Escape pipe A41 and outlet
Pipe B42 is connect with reversal valve 5, and reversal valve 5 is connected to one end of action tracheae 51；The outlet side of the reversal valve 5 is respectively communicated with
Equipped with escape pipe A41, escape pipe B42 and gas vent；Escape pipe A41 and escape pipe B42 connects with the gas nozzle at 4 both ends of piston cylinder respectively
It is logical.The escape pipe A41 and escape pipe B42 is respectively connected with three-way connection；The escape pipe A41 be in charge of respectively with pond 1
The air inlet of both sides piston cylinder 4 connects, and being in charge of for the escape pipe B42 connects with the gas outlet of 1 both sides piston cylinder 4 of pond respectively
It connects.
The other end of action tracheae 51 is connected to air source；The air source passes through three-limb tube B and action tracheae 51 and survey
Gas testing pipe 82 is respectively communicated with, the two of which of the three-limb tube B connect gas port respectively with action tracheae 51 and test tracheae 82
It is separately connected, the last one connects gas port and is connect with inlet manifold 7, and is connected to air source by inlet manifold 7, the inlet manifold
It is equipped with main valve 71 and pressure gauge 6 on 7 successively respectively.
Embodiment 2：Bend pipe tester
As illustrated in figures 4-5, in bend pipe tester, sliding rail has been respectively fixedly connected between the both sides of 1 overhead support 3 of the pond
31, the holder 3 is moved by sliding block along sliding rail 31, and sliding block is fixed by fixing piece A and sliding rail 31；Holder 3 passes through fixation
Part B swings with sliding block and connects so that fixing piece 33 can drive holder 3 to swing up and down, and adjust the angle；Fixing piece B33 and holder 3
Between pass through 32 movable connection of fastener so that holder 3 can according to steel mould bridgeware length adjustment holder 3 length.
The angle-regulating block 10 is side cushion block triangular in shape, and (angle and thickness of cushion block are curved according to what is be tested
The angle of pipe customizes）Pad is lined with the folder that " V " template 9 of angle-regulating block 10 is formed between 1 inner wall of " V " template 9 and pond
The bend pipe angle of angle and steel modeling bridgeware matches.The within angle of angle-regulating block 10 and the angle of bend pipe are corresponding, angle tune
Locking nub 10 is replaced according to the included angle of tested pipeline.
Ensure that the plane for the gas port for allowing sealing block 8 and steel to mould bridgeware can fit closely, reaches closed connection.
When running, water is injected in pond 1, water has to cover the steel modeling switch site of tested steel modeling bridgeware.
When use, first according to tested steel modeling bridgeware selected angle adjusting block 10：
If it is straight tube that steel, which moulds bridgeware, suitable angle-regulating block 10 is selected, it is 90 degree to make the angle between " V " shape plate 9, and
Straight tube adjusting block 10 ' is placed in bottom between " V " shape plate 9, passes through fixing piece B33 and sliding block tune further according to bend pipe included angle
The position of whole holder 3 and angle make the position of the sealing block 8 on holder 3 and angle be matched respectively with " V " shape plate 9；Make in piston
Sealing block 8 and the distance between 10 ' respective side of straight tube adjusting block when bar 43 extends downwardly piston cylinder 4 to maximum stroke is small
Bridgeware length, and the sealing when piston rod 43 retracts piston cylinder 4 to maximum stroke upwards are moulded in tested steel
The distance between block 8 and 10 ' respective side of straight tube adjusting block are more than tested steel and mould bridgeware length；
Tested steel modeling bridgeware is placed on " V " template 9, it is ensured that sealing block 8 is allowed to be equipped with the end face of stomata 81 and straight
Keeping parallelism is distinguished in the both ends gas port end face of end face and steel modeling bridgeware of the pipe adjusting block 10 ' towards sealing block 8, can closely paste
It closes, reaches closed connection.Then it turns on the switch, air press compressed air, the air of compression is defeated by inlet manifold 7
It send to main valve 71；Main valve 71 and reversal valve 5 are first opened, intake valve 83 is closed, gas is allowed to input gas to work by pressure gauge 6
Plug cylinder 4, control sealing block 8 move separately down, and sealing block 8 and straight tube adjusting block 10 ' are moulded bridgeware respectively against steel, described
The stomata 81 of sealing block 8 and the gas port of end face where steel modeling bridgeware fit closely, and reach closed connection；It is then shut off commutation
Valve 5 and air outlet valve 84 open intake valve 83, and air is moulded by inputting tested steel after pressure gauge 6 in the pipeline of bridgeware, defeated
After the air entered reaches demand, intake valve 83 is closed；Water is injected into pond 1, so that the steel modeling turn that the water surface is not excessively detected
It changes part, observes in water whether the phenomenon that effervescent occur, judge what whether tested steel modeling bridgeware leaked air with this
Situation.After the completion of test, intake valve 83 is turned off, opens air outlet valve 84, the air tested in pipeline passes through original test gas
Steel is moulded the gas in bridgeware and is discharged from air outlet valve by pipe 82, and the water in pond 1 is then expelled to the water surface less than tested
Steel moulds the junction of bridgeware and straight tube adjusting block 10 '.It opens reversal valve 5 again to be vented to piston cylinder 4, control piston rod 43 contracts
It returns, sealing block 8 is driven to leave the stomata of steel modeling bridgeware pipe, take out tested steel modeling bridgeware.
If it is bend pipe that steel, which moulds bridgeware, select suitable angle-regulating block 10, make angle between " V " shape plate 9 with it is curved
Tube angulation matches, and adjusts position and the angle of holder 3 by fixing piece B33 and sliding block further according to bend pipe included angle, makes branch
The position of sealing block 8 on frame 3 and angle match respectively with " V " shape plate 9；Make to extend downwardly piston cylinder 4 to most in piston rod 43
Sealing block 8 when at big stroke with the hinge position of " V " shape plate 9 between at a distance from be less than the length that steel moulds bridgeware respective side
Degree, and the hinge position of the sealing block 8 and " V " shape plate 9 when piston rod 43 retracts piston cylinder 4 to maximum stroke upwards
Between distance be more than steel modeling bridgeware respective side length.
Tested steel modeling bridgeware is placed on " V " template 9, it is ensured that allow sealing block 8 be equipped with stomata 81 end face and
Steel moulds the gas port end face keeping parallelism of bridgeware, can fit closely, reach closed connection.Then it turns on the switch, air pressure
The air of compression is delivered to by inlet manifold 7 at main valve 71 by power machine compressed air；Main valve 71 and reversal valve 5 are first opened, is closed
Intake valve 83 is closed, allows gas to input gas to piston cylinder 4 by pressure gauge 6, control sealing block 8 is moved, will be sealed separately down
Block 8 withstands steel modeling bridgeware, and end face where the gas port of stomata 81 and steel the modeling bridgeware of the sealing block 8 fits closely, reaches
Closed connection；It is then shut off reversal valve 5 and air outlet valve 84, opens intake valve 83, air is tested by being inputted after pressure gauge 6
Steel modeling bridgeware pipeline in, after the air of input reaches demand, close intake valve 83；Water is injected into pond 1, so that
Excessively detected steel does not mould bridgeware to the water surface, observe in water whether the phenomenon that effervescent occur, judges tested steel with this
The case where whether modeling bridgeware leaks air.After the completion of test, intake valve 83 is turned off, opens air outlet valve 84, is tested in pipeline
Air steel moulded by the gas in bridgeware by original test tracheae 82 be discharged from air outlet valve, then by the water in pond 1
It is expelled to junction of the water surface less than tested steel modeling bridgeware and stomata 81.Reversal valve 5 is opened again to be vented to piston cylinder 4,
It controls piston rod 43 to retract, sealing block 8 is driven to leave the stomata of steel modeling bridgeware pipe, take out tested steel modeling bridgeware.
Claims (10)
1. a kind of steel moulds bridgeware air tightness detection equipment, including pond（1）, pond（1）The both sides of top, with pond center line
For symmetry axis, it is symmetrically arranged with holder（3）；It is characterized in that：The holder（3）On be fixedly connected with piston cylinder（4）, piston
Cylinder（4）Piston rod（43）It extends downwardly, piston rod（43）End be fixedly connected with sealing block（8）；Pond（1）Inside set
It is equipped with " V " template that bridgeware is moulded for fixing steel（9）, the holder（3）With " V " template（9）Correspondence side it is parallel or
In same plane, in sealing block（8）Towards pond（1）Be provided with stomata on one side（81）, stomata（81）Bridgeware is moulded with steel
Gas port connects, the sealing block（8）Equipped with stomata（81）A side end face and steel mould the gas port of bridgeware where end face be bonded；
Sealing block（8）On be connected with test tracheae（82）, test tracheae（82）One end pass through sealing block（8）Internal duct and stomata
（81）Tracheae is tested in connection（82）The other end and piston cylinder（4）It is connect respectively with air source.
2. a kind of steel according to claim 1 moulds bridgeware air tightness detection equipment, it is characterised in that：Above the pond
Holder（3）Both sides between be respectively fixedly connected with sliding rail（31）, the holder（3）By sliding block along sliding rail（31）It is mobile,
Sliding block passes through fixing piece A and sliding rail（31）It is fixed；Holder（3）Pass through fixing piece B（33）It swings and connects with sliding block, and holder
（3）Pass through fastener（32）With fixing piece B（33）It is fixed；" V " template（9）Bottom connected by pivot, it is described
" V " template（9）With pond（1）Inner wall between be equipped with angle-regulating block（10）.
3. a kind of steel according to claim 2 moulds bridgeware air tightness detection equipment, it is characterised in that：The angle tune
Locking nub（10）For side cushion block triangular in shape, it is lined with angle-regulating block（10）" V " template（9）The angle and steel of formation are moulded
The bend pipe angle of bridgeware matches.
4. a kind of steel according to claim 3 moulds bridgeware air tightness detection equipment, it is characterised in that：When detection device is given
When the straight tube of steel modeling bridgeware detects, described " V " template（9）The angle of formation is 90 degree, " V " template（9）Between
Bottom is equipped with straight tube adjusting block（10’）, the straight tube adjusting block（10’）End face towards sealing block 8 and " V " template（9）Pair
Answer side vertical, the sealing block（8）Equipped with stomata（81）End face and " V " shape plate（9）Respective side it is vertical.
5. a kind of steel according to claim 4 moulds bridgeware air tightness detection equipment, it is characterised in that：In " V " template（9）
On be fixedly connected with and steel modeling the matched fixing piece of bridgeware（91）, in " V " template（9）On be provided with water hole（92）.
6. a kind of steel according to claim 5 moulds bridgeware air tightness detection equipment, it is characterised in that：The sealing block
（8）, fixing piece（91）With straight tube adjusting block（10’）The contact surface that bridgeware is moulded with steel is both provided with protective layer（11）.
7. a kind of steel according to claim 6 moulds bridgeware air tightness detection equipment, it is characterised in that：The protective layer
（11）It is made of cushion, is fixed on sealing block（8）, straight tube adjusting block（10’）And fixing piece（91）The contact of bridgeware is moulded with steel
On face.
8. a kind of steel according to claim 1 moulds bridgeware air tightness detection equipment, it is characterised in that：The piston cylinder
（4）The gas nozzle at both ends passes through reversal valve respectively（5）With action tracheae（51）One end connection, act tracheae（51）The other end with
Air source is connected to；The reversal valve（5）Outlet side be respectively communicated with equipped with escape pipe A（41）, escape pipe B（42）And gas vent；Go out
Tracheae A（41）With escape pipe B（42）Respectively with piston cylinder（4）The gas nozzle at both ends is connected to.
9. a kind of steel according to claim 8 moulds bridgeware air tightness detection equipment, it is characterised in that：The air source passes through
Three-limb tube B and action tracheae（51）With test tracheae（82）It is respectively communicated with, the two of which of the three-limb tube B connects gas
Mouth respectively with action tracheae（51）With test tracheae（82）It is separately connected, the last one connects gas port and inlet manifold（7）Connection, and
Pass through inlet manifold（7）It is connected to air source, the recent manifold（7）Upper difference is equipped with main valve successively（71）And pressure gauge（6）.
10. a kind of steel according to claim 1 moulds bridgeware air tightness detection equipment, it is characterised in that：The test
Tracheae（82）On be connected with intake valve（83）, the test tracheae（82）Above, it is located at intake valve（83）With sealing block（8）Between connect
The logical third pipeline equipped with three-limb tube A, the three-limb tube A is equipped with air outlet valve（84）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810475260.2A CN108444648B (en) | 2018-05-17 | 2018-05-17 | Air tightness detection equipment for steel-plastic conversion part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810475260.2A CN108444648B (en) | 2018-05-17 | 2018-05-17 | Air tightness detection equipment for steel-plastic conversion part |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108444648A true CN108444648A (en) | 2018-08-24 |
| CN108444648B CN108444648B (en) | 2023-12-15 |
Family
ID=63203929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810475260.2A Active CN108444648B (en) | 2018-05-17 | 2018-05-17 | Air tightness detection equipment for steel-plastic conversion part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108444648B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116429347A (en) * | 2023-04-23 | 2023-07-14 | 菏泽三垒塑业股份有限公司 | Air tightness testing machine for steel-plastic bent pipe |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB359607A (en) * | 1930-08-08 | 1931-10-29 | John Dunlop | An improved device for use in the air testing of tubular bends, knees, tees and the like |
| CN203893986U (en) * | 2014-06-18 | 2014-10-22 | 九牧厨卫股份有限公司 | Gas testing equipment for elbows |
| CN205300868U (en) * | 2015-11-25 | 2016-06-08 | 河南中久安科技有限公司 | Gas tightness test machine that changes tube replacement spare is moulded to steel |
| CN107449570A (en) * | 2017-09-14 | 2017-12-08 | 余姚市弘远管道制造有限公司 | A kind of steel modeling bend pipe air tightness test machine and its application method |
| CN208476470U (en) * | 2018-05-17 | 2019-02-05 | 淮安佳信燃气设备有限公司 | Steel moulds bridgeware air tightness detection equipment |
-
2018
- 2018-05-17 CN CN201810475260.2A patent/CN108444648B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB359607A (en) * | 1930-08-08 | 1931-10-29 | John Dunlop | An improved device for use in the air testing of tubular bends, knees, tees and the like |
| CN203893986U (en) * | 2014-06-18 | 2014-10-22 | 九牧厨卫股份有限公司 | Gas testing equipment for elbows |
| CN205300868U (en) * | 2015-11-25 | 2016-06-08 | 河南中久安科技有限公司 | Gas tightness test machine that changes tube replacement spare is moulded to steel |
| CN107449570A (en) * | 2017-09-14 | 2017-12-08 | 余姚市弘远管道制造有限公司 | A kind of steel modeling bend pipe air tightness test machine and its application method |
| CN208476470U (en) * | 2018-05-17 | 2019-02-05 | 淮安佳信燃气设备有限公司 | Steel moulds bridgeware air tightness detection equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116429347A (en) * | 2023-04-23 | 2023-07-14 | 菏泽三垒塑业股份有限公司 | Air tightness testing machine for steel-plastic bent pipe |
| CN116429347B (en) * | 2023-04-23 | 2024-01-26 | 菏泽三垒塑业股份有限公司 | Air tightness testing machine for steel-plastic bent pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108444648B (en) | 2023-12-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204514550U (en) | A kind of device for detecting concrete duct sealing | |
| CN207133016U (en) | External wall water test device | |
| CN205785441U (en) | A kind of apparatus for calibrating water meter | |
| CN208688753U (en) | A kind of automatic helium leak check machine of power battery top cover | |
| CN208476470U (en) | Steel moulds bridgeware air tightness detection equipment | |
| CN108444648A (en) | Steel moulds bridgeware air tightness detection equipment | |
| CN210155006U (en) | Water supply installation of concrete impermeability appearance | |
| CN116878743A (en) | Radial sealing pressure test equipment for oil pipe | |
| CN206832420U (en) | A kind of single port pressure testing device for large diameter pipeline | |
| CN110260166A (en) | A kind of underground piping air tightness checking device and its application method | |
| CN210664886U (en) | Railway bearing water seepage test bed | |
| CN209702298U (en) | Packing device is used in a kind of processing of lithium-ion battery electrolytes | |
| CN108414157A (en) | A kind of vacuum helium inspection equipment for detecting products air tightness | |
| CN105716805B (en) | A kind of closure detection device | |
| CN215674236U (en) | Pipeline flow guide structure for pipeline repair | |
| CN216594016U (en) | Tap water pipe leak detection device | |
| CN206848077U (en) | Auxiliary repair equipment carries out the exhaust structure of the water pressure test | |
| CN206177538U (en) | Large -scale isolation butterfly valve inspection rack of million multikilowatts nuclear power station unit condensate pump entry | |
| CN206562996U (en) | A kind of water pump energy efficiency testing device | |
| CN209043549U (en) | Die waterway detector | |
| CN209682560U (en) | A kind of rapid forming equipment of inspection shaft | |
| CN204944774U (en) | A kind of device for detecting sealability | |
| CN206330709U (en) | Constant-pressure rapid water density test device | |
| CN207923377U (en) | A kind of novel steel tube package seal checker | |
| CN219434295U (en) | Sealing detection tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 224762 jiulongkou science and Technology Innovation Park, jiulongkou Town, Jianhu County, Yancheng City, Jiangsu Province Applicant after: Jiangsu Jiaxin Gas Equipment Co.,Ltd. Address before: No. 8 Longteng Road, Industrial Park, Qingjiangpu District, Huai'an City, Jiangsu Province, 223002 Applicant before: HUAIAN JIAXIN GAS EQUIPMENT Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |