CN205642765U - Bellows gas tightness check out test set - Google Patents
Bellows gas tightness check out test set Download PDFInfo
- Publication number
- CN205642765U CN205642765U CN201620274491.3U CN201620274491U CN205642765U CN 205642765 U CN205642765 U CN 205642765U CN 201620274491 U CN201620274491 U CN 201620274491U CN 205642765 U CN205642765 U CN 205642765U
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- corrugated tube
- slide rail
- inner chamber
- clamping part
- air
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Abstract
The utility model discloses a bellows gas tightness check out test set seals up the pipeline tip through the sealed centre gripping subassembly of inner chamber shutoff head and outer wall, makes pipeline inner cavity form the enclosure space, is injected into gaseously to closing inner cavity by the gas injection hole, and the pressure variation through pressure measurement test inner chamber detects the gas tightness of bellows, has the characteristics that the uniformity is good that novel structure, easy operation, gas tightness measuring precision height, bellows detected in batches, simultaneously, a preferred complete network of check out test set sets up two detection tool of autonomous working, and a station can carry out the detection of two bellowss simultaneously, can reach double detection efficiency, further, consider that the bellows can take place the shake under the effect of atmospheric pressure impact force to the gaseous in -process of pipeline inner cavity injection, the utility model discloses the damage that the shake of bellows brought in the testing process can be overcome for the bellows for fixing the setting to the whole movable part that be of the sealed centre gripping subassembly of the outer wall of optimal design.
Description
Technical field
This utility model belongs to corrugated tube air-leakage test technical field, and it is airtight that concrete one relates to corrugated tube
Property detection equipment.
Background technology
Existing corrugated tube detection method is typically detected by hydraulic pressure, and its detection means is by corrugated tube two to be detected
End seals, and is positioned in water after pressurization, judges whether body leaks according to or without bubbling, examines with this
Survey the air-tightness of corrugated tube.Water inspection working performance is low, and accuracy of detection is low, does not reaches requirements for high precision ripple
The detection of pipe needs, and water inspection simultaneously also can bring the waste of water resource and the pollution of water resource.
Separately, the mode of industry the most paid gas testing inspection detects the air-tightness of pipeline, the most thus produces air-tightness inspection
Measurement equipment, but, existing air tightness detection equipment is both for rigid conduit detection and makes, and for
Corrugated tube or even other elastic tube detect equipment the most accordingly, and rigid conduit detection equipment is inapplicable
In detection corrugated tube.
Summary of the invention
For solving above-mentioned technical problem, this utility model provides a kind of corrugated tube air tightness detection equipment, knot
Structure is novel, easy to detect, reach double detection efficiency, and the batch detection concordance of corrugated tube is good simultaneously.
For reaching above-mentioned purpose, the technical solution of the utility model is as follows: a kind of corrugated tube air-leakage test sets
Standby, including Electric Appliance Cabinet, the cabinet top of described Electric Appliance Cabinet is provided with workbench base plate, it is characterised in that: described work
Some air-leakage test tools of work independence, described air-leakage test tool are installed on station base plate
Including some to work coordinate inner chamber block heads and outer wall sealed holding assembly, described inner chamber block head and
The end for corrugated tube described in sealing blocking that outer wall sealed holding component operation coordinates, partly described
Inner chamber block head is provided with injecting hole and the relief hole that work replaces, and the described inner chamber block head of part sets
Having pressure-detecting device, one end seals and stretches into the air inlet pipe that is provided with in injecting hole, and described air inlet pipe sets
There are intake valve and pressure regulator valve.
In one preferred embodiment of this utility model, farther include, on described workbench base plate, work is installed
Two independent air-leakage test tools.
In one preferred embodiment of this utility model, farther include described outer wall sealed holding assembly and be respectively provided with
Split arrange stationary gripping part and slip clamping part, drive described slip clamping part slip process or
Slide and move back first cylinder that is provided with of journey, coordinate close with described stationary gripping part during described slip clamping part process
Envelope blocks the end of described corrugated tube.
In one preferred embodiment of this utility model, farther include can to dismantle on described workbench base plate
Being provided with two installing plates, described in two, air-leakage test tool is fixed on respective installing plate one to one
On, described installing plate is fixed with a slide rail base plate by bracing frame, described slide rail base plate is provided with
First line slide rail, described outer wall sealed holding assembly can be arranged on institute along what the first line slide rail slided
State on slide rail base plate.
In one preferred embodiment of this utility model, farther include described stationary gripping part and be provided with a location
Fixed block, described inner chamber block head is fixed on the fixed block of described location, described injecting hole and relief hole
QI KOU is arranged at positioning on fixed block.
In one preferred embodiment of this utility model, farther include described installing plate and be provided with the second straight line cunning
Rail, the bearing of trend of described second line slide rail and the bearing of trend of the first line slide rail are identical, described cunning
Dynamic clamping part can be arranged on described installing plate along what the second line slide rail moved.
In one preferred embodiment of this utility model, farther include described installing plate and be provided with a bracer, institute
State a bracer and be provided with the second cylinder, the piston rod of described second cylinder is fixed with oiliness identification pencil, institute
When stating the second process cylinder, oiliness identification pencil can contact the outer wall of described corrugated tube.
In one preferred embodiment of this utility model, farther include described stationary gripping part and have semicircular
First jaws, described slip clamping part has semicircular second jaws, during described slip clamping part process
The end of corrugated tube described in first jaws and the second jaws sealed holding.
The beneficial effects of the utility model are: 1, corrugated tube air tightness detection equipment of the present utility model, pass through
Pipe end is sealed by inner chamber block head and outer wall sealed holding assembly, makes inner cavity of pipe be formed and closes
Space, is injected gas by injecting hole to closing inner chamber, is become by the pressure of pressure-detecting device test inner chamber
Change and detect the air-tightness of corrugated tube, have novel structure, simple to operate, air-leakage test precision high,
The feature that the concordance of corrugated tube batch detection is good；
2, two detection tools that a preferred supporting setting of detection equipment works alone, a station can be same
The detection of two corrugated tubes of Shi Jinhang, it is possible to reach double detection efficiency；
3, considering to inject in gas process to inner cavity of pipe, corrugated tube can be trembled under air pressure impact force action
Dynamic, the outer wall sealed holding assembly generally movable part of this utility model optimization design, relative to fixing
Setting can overcome the damage that the shake of corrugated tube brings during detection to corrugated tube.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in this utility model embodiment technology, below will be to enforcement
In the description of example technology, the required accompanying drawing used is briefly described, it should be apparent that, in describing below
Accompanying drawing is only embodiments more of the present utility model, for those of ordinary skill in the art, not
On the premise of paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of this utility model first embodiment；
Fig. 2 is the structural representation of the air-leakage test tool of this utility model first embodiment；
Fig. 3 is the structural representation of this utility model the second embodiment；
Fig. 4 is the structural representation of the air-leakage test tool of this utility model the second embodiment；
Fig. 5 be this utility model the 3rd embodiment according to detection equipment Inspection corrugated tube of the present utility model
Bubble-tight method flow diagram.
Wherein: 1-corrugated tube, 2-Electric Appliance Cabinet, 4-electric mounting board, 6-gas circuit installing plate, 8-workbench
Base plate, 10-1-First air-leakage test tool, second air-leakage test tool 12-inner chamber envelope of 10-2-
Plug, 14-outer wall sealed holding assembly, 16-injecting hole, 18-air gauge, 20-pressure regulator valve, 22-fixes
Clamping part, 24-slip clamping part, 26-the first cylinder, 28-installing plate, 30-slide rail base plate, 32-positions
Fixed block, 34-the second line slide rail, 36-props up bracer, 38-the second cylinder, 40-oiliness identification pencil, 42-
First jaws, 44-the second jaws.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, to the technology in this utility model embodiment
Scheme is clearly and completely described, it is clear that described embodiment is only this utility model one
Divide embodiment rather than whole embodiments.Based on the embodiment in this utility model, this area is common
The every other embodiment that technical staff is obtained under not making creative work premise, broadly falls into this
The scope of utility model protection.
Embodiment one
As shown in Figure 1, 2, the present embodiment discloses a kind of corrugated tube air tightness detection equipment, is used for examining
Survey the air-tightness of two mouthfuls of corrugated tubes, including Electric Appliance Cabinet 2, in Electric Appliance Cabinet 2, be provided with appliance mounting panel 4 and gas circuit
Installing plate 6, the cabinet top of Electric Appliance Cabinet 2 is provided with workbench base plate 8, and workbench base plate 8 is pacified by a pillar
Detect all electric wirings of equipment equipped with electric control platform 3 and gas path pipe is separately mounted to Electric Appliance Cabinet 2
On interior appliance mounting panel 4 and gas circuit installing plate 6, put in order clean and tidy.Install on described workbench base plate 8
There are some air-leakage test tools 10 of work independence, in order to improve in efficiency, this enforcement preferably one
Detection coordinative composition of equipments arranges two air-leakage test tools 10, it is possible to increase the detection efficiency of a times；Described
Air-leakage test tool 10 includes some inner chamber block heads 12 coordinating work and outer wall sealed holding group
Part 14, described inner chamber block head 12 and outer wall sealed holding assembly 14 work coordinate for sealing blocking
The end of described corrugated tube 1, in the present embodiment, the middle corrugated tube coordinating detection two mouthfuls, has two pairs of inner chambers
Block head 12 and outer wall sealed holding assembly 14, two two pipes to being respectively used to sealing blocking corrugated tube 1
Mouthful, one of them inner chamber block head 12 is provided with injecting hole 16, and one end seals and stretches in injecting hole 16
Being provided with an air inlet pipe, described air inlet pipe is provided with intake valve and pressure regulator valve 20, and (wherein, air inlet pipe is arranged on
On gas circuit installing plate 6, it is internal that intake valve is arranged on Electric Appliance Cabinet 2)；Set on another inner chamber block head 12
Having relief hole (not shown) and pressure-detecting device, pressure-detecting device of the present utility model preferably employs
With the piezometer of air gauge 18, piezometer is arranged on inner chamber block head, air gauge 18 and pressure regulator valve
The pressure regulation button of 20 is installed on electric control platform 3, convenient operation.By two to interior in the present embodiment
Two ends of corrugated tube 1 are sealed by chamber block head 12 and outer wall sealed holding assembly 14, make ripple
Stricture of vagina pipe 1 inner chamber is formed closes space, injecting hole 16 inject gas to closing inner chamber, measured by pressure
The pressure change of examination inner chamber detects the air-tightness of corrugated tube.
Concrete, described outer wall sealed holding assembly 14 is respectively provided with stationary gripping part 22 and that split is arranged
Slip clamping part 24, drives described slip clamping part 24 to slide process or journey is moved back in slip is provided with the first gas
Cylinder 26.Wherein, what described workbench base plate 8 can be dismantled is provided with two installing plates 28, and two airtight
Property detection tool 10 be separately mounted on installing plate 28 described in two, the cylinder barrel of the first cylinder 26 is fixed on peace
On dress plate 28, slip clamping part 24 is fixed on the piston rod of the first cylinder 26, and the present embodiment is according to reality
The installation on border needs, solid by the mode that is detachably fixed of screw or bolt attaching nut on installing plate 28
Surely there are support section bar and fixing section bar, for stationary gripping part 22 and slip clamping part 24 are fixed on peace
On dress plate 28, during described slip clamping part 24 process, block institute with described stationary gripping part 22 fitted seal
State the end of corrugated tube 1.First cylinder 26 constitutes driving force and promotes slip clamping part 24 to move and with solid
Determining clamping part 22 coordinates the end seal by corrugated tube 1 to grip, and preferably but does not limits in the present embodiment
Promoting and compress slip clamping part 24 in cylinder as driver part, clamping is stable, low cost, simultaneously
The manufacturing process making tool is easily achieved；Certainly can be in the way of using the driving such as hydraulic cylinder, motor
The effect that this utility model promotes and clamps can be reached equally.
Further, described stationary gripping part 22 has semicircular first jaws 42, described clamping of sliding
Portion 24 has semicircular second jaws 44, the first jaws 42 and during described slip clamping part 24 process
The end of corrugated tube 1 described in two jaws 44 sealed holdings, the end of cooperation corrugated tube circular configuration, first
Jaws 42 and the second jaws 44 all use semicircular structure so that just by ripple when both are combined
In the end of pipe 1 is engaged in, it is beneficial to guarantee the sealed clamping of corrugated tube end.
As further improvement of the utility model, described installing plate 28 is fixed with by bracing frame
One slide rail base plate 30, described slide rail base plate 30 is provided with the first line slide rail (not shown), described outer wall
Sealed holding assembly 14 can be arranged on described slide rail base plate 30 along what the first line slide rail slided；Institute
Stating stationary gripping part 22 and be provided with a location fixed block 32, it is described fixed that described inner chamber block head 12 is fixed on
On the fixed block 32 of position, the QI KOU of described injecting hole 16 and relief hole is arranged at positioning on fixed block 32.
Time in the present embodiment for coordinating the air-tightness of two mouthfuls of corrugated tubes of detection, it is preferably provided with a slide rail base plate 30,
Have what an outer wall sealed holding assembly 14 can slide to be arranged on slide rail base plate 30, and outside another
Wall sealed holding assembly 14 is integrally attached on installing plate, and another inner chamber block head 12 is fixed on therewith
In the stationary gripping part 22 of the outer wall sealed holding assembly 14 coordinated.Consider to inject to corrugated tube 1 inner chamber
In gas process, corrugated tube 1 can be shaken under air pressure impact force action, and this utility model optimization sets
The movable outer wall sealed holding assembly 14 of meter, has certain degree of allowing, relative to being fixedly installed during work
The damage that the shake of corrugated tube 1 brings during detection can be overcome to corrugated tube 1.By setting further
The first line slide rail put, it constitutes the track of outer wall sealed holding component slippage, guides outer wall with this
The movement of sealed holding assembly, it is to avoid its random movement.
As further improvement of the utility model, described installing plate 28 is provided with the second line slide rail 34,
The bearing of trend of described second line slide rail 34 and the bearing of trend of the first line slide rail are identical, described slip
Clamping part 24 can be arranged on described installing plate 28 along what the second line slide rail 34 moved.Arrange second
Line slide rail 34 carrys out the sliding trace of limit slippage clamping part 24, guarantees that slip clamping part 24 presss from both sides with this
Hold the alignment degree of corrugated tube 1.
As further improvement of the utility model, described installing plate 28 is provided with and props up a bracer 36, described
Bracer 36 is provided with the second cylinder 38, and the piston rod of described second cylinder 38 is fixed with oiliness identification pencil
40, during described second cylinder 38 process, oiliness identification pencil 40 can contact the outer wall of described corrugated tube 1.
Oiliness identification pencil 40 gets mark ready for the outer wall at corrugated tube 1 when the air-leakage test of corrugated tube 1 is qualified
Know.
Embodiment two
As shown in Figure 3,4, the present embodiment discloses a kind of corrugated tube air tightness detection equipment, is used for coordinating
The air-tightness of three mouthfuls of corrugated tubes of detection, the detection equipment of embodiment two is compared to the detection equipment of embodiment one
Differ only in: coordinating the detection corrugated tube of three mouthfuls, installing plate 28 is provided with three inner chamber block heads 12
With three outer wall sealed holding assemblies 14, it is close that three inner chamber block heads 12 are each attached to matched outer wall
In the stationary gripping part 8 of envelope clamp assemblies 14, two of which outer wall sealed holding assembly 14 is fixedly installed
On installing plate 28, wherein the 3rd outer wall sealed holding assembly 14 entirety can be along the first line slide rail
Being arranged on slide rail base plate 30 of movement, the slip clamping part 10 of two outer wall sealed holding assemblies 14 is equal
Can be arranged on installing plate 28 along what respective second line slide rail 34 moved, an outer wall sealed holding
The slip clamping part 10 of assembly 14 can be arranged at the bottom of slide rail along what the second corresponding line slide rail 34 moved
On plate 30.
Certainly, according to actually detected needs, detection equipment of the present utility model can be according to the corrugated tube mouth of pipe
Quantity change inner chamber block head 12 and the quantity of outer wall sealed holding assembly 14, enable to be suitable for
Corrugated tube (quantity of the mouth of pipe is different) air-leakage test in plurality of specifications.
Embodiment three
Use above-mentioned detection equipment airtight to detect corrugated tube as it is shown in figure 5, a kind of disclosed in the present embodiment
The detection method of property, comprises the following steps:
S1: tubulature, the mouth of pipe quantity of corresponding corrugated tube 1, choose multipair inner chamber block head 12 and outer wall is close
Envelope clamp assemblies 14, inserts inner chamber block head 12 from the mouth of pipe of corrugated tube 1, will be equipped with inner chamber envelope subsequently
The corrugated tube 1 of plug 12 is placed in the first jaws 42, the first jaws 42 clamp outside corrugated tube 1 end
The side of wall, each mouth of pipe of corrugated tube 1 repeats above-mentioned action and completes the tubulature action of corrugated tube 1,
The detection equipment of clean boot subsequently；
S2: ferrule clamps, and controls first cylinder 26 process that starts so that on slip clamping part 24
Second jaws 44 clamps the opposite side of corrugated tube 1 end outer wall, and each mouth of pipe of corrugated tube 1 repeats above-mentioned
Action complete the sealed clamping action of the respective mouth of pipe, whole corrugated tube inner chamber forms the space closed；
S3: inflation, first passes through pressure regulator valve 20 to adjust the preset pressure value Pr of corrugated tube 1 inner chamber air pressure,
Control to start intake valve subsequently to inflate to corrugated tube 1 inner chamber, gas replenishment process is monitored by pressure-detecting device
Gather the atmospheric pressure value of corrugated tube inner chamber, force value can be seen intuitively from air gauge 18, inflation
In the case of pressure stability, judge whether real-time pressure value reaches preset pressure value after a period of time, if
Real-time pressure value then starts pressurize more than or equal to preset pressure value and enters step S4；Otherwise prompting clamping mistake
Or product is defective；
S4: pressurize, keep corrugated tube 1 inner chamber pressure be preset pressure value Pr, control the dwell time be
5-50S, is gathered the force value of corrugated tube inner chamber, within each second, gathers one by pressure-detecting device in pressure maintaining period
Secondary data, the maximum pressure value collected in meter pressure maintaining period is Pmax(adopt for the first time during actual acquisition
Integrate to force value as maximum pressure value), the minimum pressure values collected is Pmin, take △ P=Pmax-Pmin,
△ P is compared with default leak pressure value P0, if △ is P ＜ P0, then judges that corrugated tube air-tightness is examined
It is qualified to survey, and enters step S5；If △ is P >=P0, then and judge that corrugated tube air-leakage test is defective, skip
Step S5 is directly entered step S6；
S5: mark qualified products, control second cylinder 38 process that starts so that oiliness identification pencil 40 contacts
The outer wall of corrugated tube 1, gets mark ready to the corrugated tube that air-leakage test is qualified；
S6: pressure release takes pipe, closes intake valve, by the pressure of bleeder port release corrugated tube inner chamber, controls subsequently
System starts the first cylinder 26 and moves back journey, takes out corrugated tube 1, and the corrugated tube 1 that air-leakage test is qualified is placed on good
Product district, the underproof corrugated tube of air-leakage test 1 is placed on defective products district.
During practical operation, first First air-leakage test tool carries out step S1 and step S2, works as First
When air-leakage test tool enters step S3, step S4 and step 5, second air-leakage test tool enters
Row step S1 and step S2；When second air-leakage test tool carries out step S3 and step S4, the
One air-leakage test tool carries out step S6, step S1 and step S2 successively；Circulate institute successively
There is the bubble-tight detection of corrugated tube；Do action completes the bubble-tight detection of all corrugated tubes successively.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses this
Utility model.To the multiple amendment of these embodiments will be for those skilled in the art aobvious and
Being clear to, generic principles defined herein can be without departing from spirit or scope of the present utility model
In the case of, realize in other embodiments.Therefore, this utility model is not intended to be limited to illustrated herein
These embodiments, and be to fit to consistent with principles disclosed herein and features of novelty the widest
Scope.
Claims (8)
1. a corrugated tube air tightness detection equipment, including Electric Appliance Cabinet, the cabinet top of described Electric Appliance Cabinet is provided with work
Platform base plate, it is characterised in that: some air-tightness inspections of work independence are installed on described workbench base plate
Measurement fixture, described air-leakage test tool includes that some inner chamber block heads coordinating work and outer wall seal
Clamp assemblies, described inner chamber block head and outer wall sealed holding component operation coordinate for sealing blocking institute
Stating the end of corrugated tube, the described inner chamber block head of part is provided with injecting hole and the relief hole that work replaces,
The described inner chamber block head of part is provided with pressure-detecting device, and one end seals and stretches into being provided with in injecting hole
One air inlet pipe, described air inlet pipe is provided with intake valve and pressure regulator valve.
Corrugated tube air tightness detection equipment the most according to claim 1, it is characterised in that: described work
Two air-leakage test tools of work independence are installed on platform base plate.
Corrugated tube air tightness detection equipment the most according to claim 2, it is characterised in that: described outer wall
Sealed holding assembly is respectively provided with stationary gripping part and the slip clamping part that split is arranged, and drives described slip
First cylinder that is provided with of journey is moved back in clamping part slip process or slip, during described slip clamping part process and institute
State stationary gripping part fitted seal and block the end of described corrugated tube.
Corrugated tube air tightness detection equipment the most according to claim 3, it is characterised in that: described work
That can dismantle on platform base plate is provided with two installing plates, and air-leakage test tool described in two is one to one
It is fixed on respective installing plate, described installing plate is fixed with a slide rail base plate by bracing frame,
Described slide rail base plate is provided with the first line slide rail, and described outer wall sealed holding assembly can be along the first straight line
What slide rail slided is arranged on described slide rail base plate.
Corrugated tube air tightness detection equipment the most according to claim 3, it is characterised in that: described fixing
Clamping part is provided with a location fixed block, and described inner chamber block head is fixed on the fixed block of described location, institute
The QI KOU stating injecting hole and relief hole is arranged at positioning on fixed block.
Corrugated tube air tightness detection equipment the most according to claim 4, it is characterised in that: described installation
Plate is provided with the second line slide rail, the bearing of trend of described second line slide rail and prolonging of the first line slide rail
Stretching direction identical, described slip clamping part can be arranged on described installing plate along what the second line slide rail moved
On.
Corrugated tube air tightness detection equipment the most according to claim 4, it is characterised in that: described installation
Plate is provided with a bracer, and described bracer is provided with the second cylinder, solid on the piston rod of described second cylinder
Surely having oiliness identification pencil, during described second process cylinder, oiliness identification pencil can contact outside described corrugated tube
Wall.
Corrugated tube air tightness detection equipment the most according to claim 3, it is characterised in that: described fixing
Clamping part has semicircular first jaws, and described slip clamping part has semicircular second jaws, institute
The end of corrugated tube described in first jaws and the second jaws sealed holding when stating slip clamping part process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620274491.3U CN205642765U (en) | 2016-04-05 | 2016-04-05 | Bellows gas tightness check out test set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620274491.3U CN205642765U (en) | 2016-04-05 | 2016-04-05 | Bellows gas tightness check out test set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205642765U true CN205642765U (en) | 2016-10-12 |
Family
ID=57066313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620274491.3U Active CN205642765U (en) | 2016-04-05 | 2016-04-05 | Bellows gas tightness check out test set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205642765U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105738051A (en) * | 2016-04-05 | 2016-07-06 | 苏州盟川自动化科技有限公司 | Bellows airtightness detection device and detection method therefor |
| CN109752179A (en) * | 2017-11-07 | 2019-05-14 | 阿自倍尔株式会社 | Valve maintenance assisting system and method |
-
2016
- 2016-04-05 CN CN201620274491.3U patent/CN205642765U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105738051A (en) * | 2016-04-05 | 2016-07-06 | 苏州盟川自动化科技有限公司 | Bellows airtightness detection device and detection method therefor |
| CN105738051B (en) * | 2016-04-05 | 2019-09-20 | 苏州盟川自动化科技有限公司 | Bellows air tightness detection equipment and its detection method |
| CN109752179A (en) * | 2017-11-07 | 2019-05-14 | 阿自倍尔株式会社 | Valve maintenance assisting system and method |
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