CN110411684A - Hose assembly pressure testing flat seal test suite and test device - Google Patents
Hose assembly pressure testing flat seal test suite and test device Download PDFInfo
- Publication number
- CN110411684A CN110411684A CN201910649823.XA CN201910649823A CN110411684A CN 110411684 A CN110411684 A CN 110411684A CN 201910649823 A CN201910649823 A CN 201910649823A CN 110411684 A CN110411684 A CN 110411684A
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- Prior art keywords
- connector
- washer
- pressure testing
- hose assembly
- flat seal
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- Pending
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- 238000012360 testing method Methods 0.000 title claims abstract description 97
- 239000011248 coating agent Substances 0.000 claims abstract description 30
- 238000000576 coating method Methods 0.000 claims abstract description 30
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229920001971 elastomer Polymers 0.000 claims abstract description 24
- 239000005060 rubber Substances 0.000 claims abstract description 24
- 239000002184 metal Substances 0.000 claims abstract description 17
- 229910052751 metal Inorganic materials 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 7
- 210000000988 bone and bone Anatomy 0.000 claims description 6
- 238000012797 qualification Methods 0.000 claims description 4
- 239000011247 coating layer Substances 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 230000000712 assembly Effects 0.000 abstract description 6
- 238000000429 assembly Methods 0.000 abstract description 6
- 230000002159 abnormal effect Effects 0.000 abstract description 4
- 230000007423 decrease Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004073 vulcanization 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
- G01M3/26—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
- G01M3/2807—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 pipes
-
- 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
- G01M3/2807—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 pipes
- G01M3/2815—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 pipes using pressure measurements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a kind of hose assembly pressure testing flat seal test suite and test device, component mainly includes connector with movable, fixed plug and clamp system, and device further includes control cabinet, test cabinet and compressed air supercharging device；The connector with movable includes the internal connection pedestal for being equipped with through-hole, and the sealed end for connecting pedestal is successively arranged rubber washer, coating washer and the fixing screws with through-hole；The fixed plug includes plug pedestal, and the sealed end of plug pedestal is successively arranged rubber washer, coating washer and non-porous fixing screws；The clamp system is used for connector with movable and fixed plug held tight at the both ends of workpiece metal connector to be tested, then by pressurization, loine pressure is made to reach standard requirements, and decline situation by pressure in observation circuit to judge whether workpiece is up to standard.The present invention can detect that the abnormal problems such as hose segment, metal and the hose junction of brake hose assemblies, metal joint working seal face, so as to improve product quality.
Description
Technical field
The present invention relates to the flat seals for preceding 100% pressure testing of dispatching from the factory in hose assembly manufacturing process, are particularly used for hose
The flat seal test suite and test device of assembly pressure testing.
Background technique
With the development of auto industry components, the hose assembly part and other auto parts of automobile-used discharge pressure medium
In coupled mode, flat seal form is widely used.To the rubber detent hose assembly for brake system of car, manufacture
100% pressure testing of progress is needed to pass through before factory, 100% pressure testing process is extremely important.This operating process should guarantee that air-brake coupling hose is total
Integral receiving several times operating pressure, Work piece sealing face cannot be had damage after detecting again.Past uses simple nonmetallic materials
(nylon, rubber, resin) and the sealing plane way of contact, can prevent junction from not leaking, but cannot detect because of hose assembly
The sealing surface that manufacturing process occurs has the product of scratch.
Summary of the invention
The purpose of the present invention is to provide a kind of hose assembly pressure testing flat seal test suite and test devices, for solving
Certainly existing 100% pressure testing device, cannot recognize that joint sealing plane has the abnormal products of scuffing, and the control of outflow factory is caused to be arranged
It applies and causes failure risk.
To achieve the above object, the technical solution adopted by the present invention is as follows:
A kind of hose assembly pressure testing flat seal test suite, which includes connector with movable, and the movement is even
Connector includes the internal connection pedestal for being equipped with through-hole, and described connection pedestal one end is connecting pin, and the other end is sealed end, described close
The end of sealing end is successively arranged rubber washer, the coating washer and fixing screws with through-hole from inside to outside, the rubber washer and
Coating washer is connected to the end of sealed end by fixing screws, and the interior bone of fixing screws and the inside for connecting pedestal are logical
Hole is connected.
A kind of hose assembly pressure testing flat seal test suite, which includes fixed plug, the fixed plug
Including plug pedestal, plug pedestal one end is connecting pin, and the other end is sealed end, and the end of the sealed end is from inside to outside
Rubber washer, coating washer and non-porous fixing screws are successively arranged, the rubber washer and coating washer pass through non-porous fixed spiral shell
Nail is connected to the end of sealed end.
A kind of hose assembly pressure testing flat seal test suite, it is described including above-mentioned connector with movable and fixed plug
Connector with movable and fixed plug are coaxially disposed and are used in conjunction with each other, and the sealed end of the two is sealed in workpiece gold to be tested respectively
Belong to the both ends of connector.
Further, which further includes clamp system, and the clamp system is used for connector with movable and fixation
Plug held tight is at the both ends of workpiece metal connector to be tested.
Further, the clamp system includes cylinder, fixed bracket and mobile sliding block, the connection of the fixed plug
End is fixedly connected on fixed bracket, and the connecting pin of connector with movable is fixedly connected with sliding block is moved, the mobile sliding block it is interior
Portion is equipped with through-hole, and its piston rod top end that cylinder is arranged in, and the piston rod of the cylinder is equipped in air inlet and its
Portion is equipped with air through hole, the mutual connection of through-hole inside air through hole and mobile sliding block and connector with movable on piston rod.
Further, spacing is less than cylinder piston rod stretches out maximum distance one between the cylinder and fixed bracket
Half.
Further, the connecting pin of the connection pedestal and plug pedestal is the end of thread using threaded form.
Further, the coating washer is made of nonmetallic coating materials and metallic framework；Coating is arranged in washer two
In plane, coating layer thickness is controlled in 0.01-0.06mm.
A kind of hose assembly pressure testing flat seal test device, the test device include above-mentioned connector with movable, fixation
Plug and clamp system, while further including control cabinet, test cabinet, compressed air supercharging device, the compressed air supercharging device
It is separately connected the air through hole on cylinder and piston rod by charge and discharge pipeline, the control cabinet is for controlling cylinder moving and examination
Pressure pressure size, and the pressure in closed circuit is measured to judge the sealing performance of workpiece to be tested by pressure sensor.
Further, the control cabinet is equipped with play button, danger button, power switch, power on light and data
Display；The test cabinet is equipped with the unqualified display lamp of station and station qualification display lamp；The charge and discharge pipeline includes clamping
Gas charge and discharge pipeline and test pressure charge and discharge pipeline are equipped with clamping system gas control valve on clamping gas charge and discharge pipeline.
The beneficial effects of the present invention are: the present invention can effectively realize that 100% pressure of brake hose assemblies passes through test, inspection
It measures air-brake coupling hose metal joint sealing surface and there is the failure part for scratching and entrucking easily being caused to leak, make joint sealing face abnormal products
Outflow is effectively controlled.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of connector with movable.
Fig. 2 is the structural schematic diagram of fixed plug.
Fig. 3 is connector with movable, fixed plug, clamp system with the use of schematic diagram.
Fig. 4 is workpiece schematic diagram to be tested.
Fig. 5 is pressure testing flat seal test schematic diagram.
In the figure, it is marked as 1- connector with movable, 101- connection pedestal, 102- band through-hole fixing screws, 2- fixed plug,
201- plug pedestal, the non-porous fixing screws of 202-, 3- cylinder, the mobile sliding block of 4-, 5- piston rod, the fixed bracket of 6-, 7- work to be measured
Part metal joint, 8- workpiece for measurement hose, 9- bottom plate, 10- control cabinet, 11- compressed air supercharging device, 12- test pressure fill
Put pipeline, 13- clamps gas charge and discharge pipeline, 14- play button, 15- danger button, 16- power switch, 17- power on light,
18- data display equipment, 19- clamping system gas control valve, the unqualified display lamp of 20- station, 21- station qualification display lamp, 22-
Rubber washer, 23- coat washer, the 24- end of thread, 25- test cabinet.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment one.
A kind of hose assembly pressure testing flat seal test suite mainly includes connector with movable 1 and fixed plug 2.
As shown in Figure 1, a kind of connector with movable 1, the connector with movable 1 includes the internal connection pedestal for being equipped with through-hole
101, described 101 one end of connection pedestal is connecting pin, and the other end is sealed end, and the end of the sealed end is successively set from inside to outside
There are rubber washer 22, coating washer 23 and the fixing screws 102 with through-hole, the rubber washer 22 and coating washer 23 pass through solid
Determine the end that screw 102 is connected to sealed end, and the interior bone of fixing screws 102 and the interior bone phase that connect pedestal 101
Connection.
Connector with movable assembling is successively first placed on rubber buffer washer 22 in connector connection 101 plane of pedestal, then puts
Washer 23 is coated, finally two kinds of washers are fixed on the base with band through-hole fixing screws 102, guarantee that washer is not fallen off.
As shown in Fig. 2, a kind of fixed plug 2, the fixed plug includes plug pedestal 201, the plug pedestal 201 1
End is connecting pin, and the other end is sealed end, and the end of the sealed end is successively arranged rubber washer 22, coating washer from inside to outside
23 and non-porous fixing screws 202, the rubber washer 22 and coating washer 23 are connected to sealed end by non-porous fixing screws 202
End.
Fixed plug assembling is successively first placed on rubber buffer washer 22 in plug connection base plane, then puts coating
Washer 23 finally guarantees that washer is not fallen off on two kinds of washer fixed pedestals with non-porous fixing screws 202
As shown in figure 3, the test suite further includes clamp system, the clamp system is used for connector with movable and fixation
For plug held tight at the both ends of workpiece metal connector to be tested, the pattern of metal joint is as shown in Figure 4.Wherein, clamp system
It is fixedly connected on fixed bracket 6, moves including cylinder 3, fixed bracket 6 and mobile sliding block 4, the connecting pin of the fixed plug 2
The connecting pin of dynamic connector 1 is fixedly connected with mobile sliding block 4, and the inside of the mobile sliding block 4 is equipped with through-hole, and its setting exists
The piston rod 5 on 5 top of piston rod of cylinder 3, the cylinder is equipped with air inlet and is internally provided with air through hole, piston rod
On air through hole and the mutual connection of through-hole inside mobile sliding block 4 and connector with movable 1.
In the present embodiment, cylinder 3 and fixed bracket 6 are mounted on bottom plate 9, and fixation is bolted；Seat board 9 passes through spiral shell
Bolt is fixed in test cabinet.Spacing is less than the half that cylinder piston rod 5 stretches out maximum distance between cylinder 3 and fixed bracket 6, living
The mobile sliding block 4 of 5 top of stopper rod installation guarantees linear movement.1 end of thread of connector with movable, is threadedly attached in mobile sliding block
On 4.Mobile sliding block 4 has through-hole, and connector with movable 1 can be made to be connected to pressed gas pipeline.2 end of thread of fixed plug is mounted on
On fixed bracket 6.It is required that ensuring after the installation of connector with movable 1, fixed plug 2 coaxial.When test piece, the inflation of cylinder 3, piston
Bar 5, which stretches out, drives connection slip-on head 1 to move linearly, until workpiece metal connector 7 is clamped with fixed plug, so that test gas
Road, workpiece form closed loop, pressure testing function embodiment.
In the present embodiment, connector with movable 1 and fixed plug 2 are coaxially disposed and are used in conjunction with each other, the sealed end of the two
It is sealed in the both ends of workpiece metal connector 7 to be tested respectively.
In the present embodiment, the coating washer 23 is made of nonmetallic coating materials and metallic framework；Coating setting is being padded
It encloses in two planes, coating layer thickness is controlled in 0.01-0.06mm.When coating adhesion property requires to bear 1MPa extrusion stress, without de-
It falls.Washer-shaped size can be according to using product to determine, usually circular ring type.22 structure of rubber washer is rubber, metal bone
Frame composition.Rubber coated metallic framework is made by molding vulcanization.The shape and coating washer 23 of rubber washer 22 are consistent.
The present invention is used in automobile brake hose assembly manufacture view, can satisfy liquid braking pipe assembly SAE1401 standard
Specified in 100% pressure test conditions of air-brake coupling hose, especially medium be gas when, bear pressure 14.5MPa., can be right
Pressure seal in pipeline liquid injecting device.Concrete principle is as follows:
The present invention can recognize that the product key that metal joint sealing surface scratches is the coating washer of the present apparatus.Utilize painting
The very thin principle of coating thickness, which reaches, identifies scratch product, when apparatus of the present invention work, coating washer 23 and test piece
Seal face contact.In the presence of cylinder, so that coating washer 23 and the sealing surface of test piece are combined closely.Coat washer 23
It is squeezed, the nonmetallic materials of coat are softer than metal joint, are deformed first, and sealing function is realized.Because of non-metallic material
The very thin 0.01-0.06mm of the bed of material, so deflection very little can not when there is risk of leakage scratch in workpiece metal joint sealing face
Seal compressed air.Nonmetallic materials compression micro-deformation can restore, after extrusion stress disappears so as to reuse.
Embodiment two.
As shown in figure 5, a kind of hose assembly pressure testing flat seal test device, which includes institute in embodiment one
Connector with movable 1, fixed plug 2 and the clamp system stated, while further including control cabinet 10, test cabinet 25, compressed air pressurization
Device 11, each component collectively form tooling grasping system, test pressure charge and discharge system, test data and collect display system.
The compressed air supercharging device 11 is separately connected the air through hole on cylinder 3 and piston rod 5 by charge and discharge pipeline,
The control cabinet 10 measures in closed circuit for controlling the movement of cylinder 3 and pressure test pressure size, and by pressure sensor
Pressure to judge the sealing performance of workpiece to be tested.Wherein, control cabinet 10 is equipped with play button 14, danger button 15, electricity
Source switch 16, power on light 17 and data display equipment 18；Test cabinet 25 is equipped with the unqualified display lamp 20 of station and station closes
Lattice display lamp 21；Charge and discharge pipeline includes clamping gas charge and discharge pipeline 13 and test pressure charge and discharge pipeline 12, is clamping gas charge and discharge
Pipeline 13 is equipped with clamping system gas control valve 19.
What apparatus of the present invention were mainly used for that brake hose assemblies dispatches from the factory preceding 100% pressure passes through test.Brake hose assemblies
Factory is according to standard (SAEJ1401)) require 100% pressure pressure testing of progress to pass through, operation requires, first setting technological parameter, folder
The operating air pressure of tight mechanism is 0.45~0.65MPa, and setting test pressure is reduced to 0.2MPa.When pressure testing workpiece is put into clamp system
When middle, start clamp system, brake hose assemblies workpiece and pressure testing test equipment formed can clossing pressure circuit, starting is filled with survey
Working media is tried, loine pressure is made to reach standard requirements, the input of cutoff high gas.It keeps in connection pressure testing workpiece closed circuit
Pressure for a period of time, measures pressure in closed circuit by pressure sensor and declines situation, each workpiece circuit is independent returns
Road, set pressure drop greater than 0.2MPa workpiece circuit be leak, it is otherwise on the contrary.Pressure testing finishes, and is fed back by warning lamp in equipment
As a result, green light is that test piece does not leak qualification, bright red light is that test piece leakage is unqualified.Successively emission test medium,
When circuit pressure drops to 0, then clamping workpiece is opened, remove pressure testing workpiece, operated into next round pressure testing.This pressure testing device can be with
The abnormal problems such as hose segment, metal and the hose junction of brake hose assemblies, metal joint working seal face are detected, it can be with
It prevents failure part from flowing out well, improves product quality.
The basic principles, main features and advantages of the invention have been shown and described above.Those skilled in the art
It should be appreciated that the protection scope that the above embodiments do not limit the invention in any form, all to be obtained using modes such as equivalent replacements
The technical solution obtained, falls in protection scope of the present invention.
Part that the present invention does not relate to is the same as those in the prior art or can be realized by using the prior art.
Claims (10)
1. a kind of hose assembly pressure testing flat seal test suite, which is characterized in that the test suite includes connector with movable, institute
Stating connector with movable includes the internal connection pedestal for being equipped with through-hole, and described connection pedestal one end is connecting pin, and the other end is sealing
End, the end of the sealed end are successively arranged rubber washer, coating washer and the fixing screws with through-hole, the rubber from inside to outside
Rubber gasket and coating washer are connected to the end of sealed end by fixing screws, and the interior bone of fixing screws with connect pedestal
Interior bone be connected.
2. a kind of hose assembly pressure testing flat seal test suite, which is characterized in that the test suite includes fixed plug, described
Fixed plug includes plug pedestal, and plug pedestal one end is connecting pin, and the other end is sealed end, the end of the sealed end
It is successively arranged rubber washer, coating washer and non-porous fixing screws from inside to outside, the rubber washer and coating washer pass through nothing
Hole fixing screws are connected to the end of sealed end.
3. a kind of hose assembly pressure testing flat seal test suite, which is characterized in that including mobile connection described in claim 1
Head and fixed plug as claimed in claim 2, the connector with movable and fixed plug are coaxially disposed and are used in conjunction with each other, and two
The sealed end of person is sealed in the both ends of workpiece metal connector to be tested respectively.
4. a kind of hose assembly pressure testing flat seal test suite according to claim 3, which is characterized in that the test group
Part further includes clamp system, and the clamp system is used for connector with movable and fixed plug held tight in workpiece gold to be tested
Belong to the both ends of connector.
5. a kind of hose assembly pressure testing flat seal test suite according to claim 4, which is characterized in that the clamping
Mechanism includes that cylinder, fixed bracket and mobile sliding block, the connecting pin of the fixed plug are fixedly connected on fixed bracket, mobile
The connecting pin of connector is fixedly connected with mobile sliding block, and the inside of the mobile sliding block is equipped with through-hole, and it is arranged in cylinder
Piston rod top end, the piston rod of the cylinder is equipped with air inlet and is internally provided with air through hole, on piston rod into
The mutual connection of through-hole inside vent hole and mobile sliding block and connector with movable.
6. a kind of hose assembly pressure testing flat seal test suite according to claim 5, which is characterized in that the cylinder
Spacing is less than the half that cylinder piston rod stretches out maximum distance between fixed bracket.
7. a kind of hose assembly pressure testing flat seal test suite according to claim 3 or 4, which is characterized in that described
The connecting pin of pedestal and plug pedestal is connected as using the end of thread of threaded form.
8. a kind of hose assembly pressure testing flat seal test suite according to any one of claims 1 to 4, feature exist
In the coating washer is made of nonmetallic coating materials and metallic framework；Coating is arranged in two plane of washer, coating layer thickness
Control is in 0.01-0.06mm.
9. a kind of hose assembly pressure testing flat seal test device, which is characterized in that the test device includes claim 4 to 6
Any one of described in connector with movable, fixed plug and clamp system, while further including control cabinet, test cabinet, compressed air
Supercharging device, the compressed air supercharging device are separately connected the air through hole on cylinder and piston rod, institute by charge and discharge pipeline
It states control cabinet and measures the pressure in closed circuit for controlling cylinder moving and pressure test pressure size, and by pressure sensor
To judge the sealing performance of workpiece to be tested.
10. a kind of hose assembly pressure testing flat seal test device according to claim 9, which is characterized in that the control
Cabinet processed is equipped with play button, danger button, power switch, power on light and data display equipment；The test cabinet is equipped with
The unqualified display lamp of station and station qualification display lamp；The charge and discharge pipeline includes that clamping gas charge and discharge pipeline and test pressure fill
Pipeline is put, clamping system gas control valve is equipped on clamping gas charge and discharge pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910649823.XA CN110411684A (en) | 2019-07-18 | 2019-07-18 | Hose assembly pressure testing flat seal test suite and test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910649823.XA CN110411684A (en) | 2019-07-18 | 2019-07-18 | Hose assembly pressure testing flat seal test suite and test device |
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| Publication Number | Publication Date |
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| CN110411684A true CN110411684A (en) | 2019-11-05 |
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ID=68361975
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|---|---|---|---|
| CN201910649823.XA Pending CN110411684A (en) | 2019-07-18 | 2019-07-18 | Hose assembly pressure testing flat seal test suite and test device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112730075A (en) * | 2020-12-17 | 2021-04-30 | 中国航空综合技术研究所 | Pressure testing device and method for aviation pipeline connecting piece system |
| CN112781992A (en) * | 2020-12-25 | 2021-05-11 | 陕西德仕金迪工贸有限公司 | Auxiliary tool for machining assembly pipe |
| CN112985697A (en) * | 2021-03-11 | 2021-06-18 | 格力电器(南京)有限公司 | Pipeline joint and pipeline sealing detection plugging mechanism with same |
| CN113295531A (en) * | 2020-02-24 | 2021-08-24 | 北京天元希米尔汽车零部件有限公司 | Universal testing device and method for testing pressure resistance of special-shaped rubber tube |
| CN113465843A (en) * | 2021-07-21 | 2021-10-01 | 上海外高桥造船有限公司 | Equipment and method for detecting tightness of ship pipeline system |
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