JPH0493740A - Airtightness-leakage inspecting appartatus for tube fitting - Google Patents
Airtightness-leakage inspecting appartatus for tube fittingInfo
- Publication number
- JPH0493740A JPH0493740A JP21179390A JP21179390A JPH0493740A JP H0493740 A JPH0493740 A JP H0493740A JP 21179390 A JP21179390 A JP 21179390A JP 21179390 A JP21179390 A JP 21179390A JP H0493740 A JPH0493740 A JP H0493740A
- Authority
- JP
- Japan
- Prior art keywords
- elbow
- pressure
- inspection
- air
- pipe
- 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
- 238000007689 inspection Methods 0.000 claims abstract description 40
- 238000012856 packing Methods 0.000 claims abstract description 9
- 230000002950 deficient Effects 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 3
- 238000011179 visual inspection Methods 0.000 abstract description 2
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 9
- 238000001514 detection method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000010730 cutting oil Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011027 product recovery Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Examining Or Testing Airtightness (AREA)
- Sorting Of Articles (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野コ
この発明は、エルボやティ等の管継手類の肉厚を貫通す
るような気害不良部があるか否かを検査する場合に用い
られる管継手類の気密漏れ検査装置に関するものである
。[Detailed Description of the Invention] [Industrial Field of Application] This invention is used to inspect whether or not there is a defective part that penetrates the wall thickness of pipe joints such as elbows and tees. This invention relates to an airtight leakage inspection device for pipe fittings.
［従来の技術］
一般に、この種の検査では、検査員が管継手を専用の保
持台上に手動でセットし、上記管継手内を′Ｉ！、封し
てその内部に圧縮空気を送給した状態で該管継手を保持
台と共に水槽内に浸漬して、気泡が発生するか否かを目
視することで気密漏れを判別する方法が採られていた。[Prior Art] Generally, in this type of inspection, an inspector manually sets a pipe joint on a special holding table and holds the inside of the pipe joint with 'I!'. A method of determining airtight leakage is to immerse the pipe joint together with a holding stand in a water tank while the pipe joint is sealed and compressed air is supplied to the inside of the pipe joint, and visually observe whether or not air bubbles are generated. was.
［発明が解決しようとする課題］
上記従来の検査方法では、管継手を保持具と共に水槽内
に浸漬させて検査を行なわなければならないので、浸漬
作業や引き上げ作業等の他に、検査後に水切り等をも行
なわなければならず、検査効率が非常に低いうえ、検査
員が気泡の発生を見落とすおそれがあり、小物品種のよ
うな１０ツトでの数が比較的多い場合には、−層検査ミ
スが多くなる。[Problems to be Solved by the Invention] In the conventional inspection method described above, the pipe joint and the holder must be immersed in a water tank for inspection. Inspection efficiency is very low, and there is a risk that inspectors may overlook the occurrence of air bubbles, and when the number of bubbles in a 10-piece test is relatively large, such as for small product types, - layer inspection errors may occur. will increase.
一方、上記のような水槽を使用する湿式の検査方法を採
らずに、保持台にセットした管継手に空気を封入し、一
定時間後の圧力変化から気ｖ、ｍれを判別する方法もあ
るが、この場合も検査済の管継手を検査員が保持台から
良品と不良品とに分けて取り出す手間を要する。On the other hand, instead of using the wet inspection method that uses a water tank as described above, there is also a method in which air is sealed in a pipe fitting set on a holding stand and air is determined from the pressure change after a certain period of time. However, in this case as well, it is necessary for the inspector to separate and take out the inspected pipe fittings from the holding table into good and defective fittings.
この発明は上記のような従来の欠点を解消するためにな
されたもので、気密漏れの検査を正確に、かつ効率良く
行なえ、しかも検査済みの管継手の良品、不良品の撰り
分けも容易に行なうことができる管継手類の気密漏れ検
査装置を提供することを目的とする。This invention was made in order to eliminate the above-mentioned drawbacks of the conventional technology, and allows for accurate and efficient inspection of airtight leaks, and also makes it easy to distinguish between good and defective pipe joints that have been inspected. The purpose of the present invention is to provide an airtight leakage inspection device for pipe fittings that can be used to inspect pipe fittings.
［課題を解決するための手段］
上記目的を達成するため、この発明に係る管継手類の気
密漏れ検査装置は、分離移動可能に合体された１対の分
割体で構成されて、定姿勢で搬入された管継手を保持す
る保持台と、待機位置と検査位置との間にわたり変移可
能に構成され、検査位置で上記保持台上の管継手の両端
開口を加圧側および受圧側パッキングでそれぞれ閉塞す
る可動検査具と、上記加圧側バンキングの空気孔を通し
て管継手に一定圧の空気を封入する手段と、上記管継手
内の空気の一定時間後の圧力変化から気密漏れの有無を
判別する手段と、気″ｆ、漏れの有無の判別がなされた
際に上記分割体を分離移動させて管継手を良品ルートと
不良品ルートのうちの判別結果に基づいたルートへ自重
落下させる駆動；ｖｊ御手段とを備えたものである。[Means for Solving the Problems] In order to achieve the above object, an airtight leakage inspection device for pipe fittings according to the present invention is composed of a pair of split bodies that are combined so as to be separable and movable, and that is arranged in a fixed position. It is configured to be movable between a holding stand that holds pipe fittings brought in, a standby position and an inspection position, and at the inspection position, both openings of the pipe fitting on the holding stand are closed with pressure side and pressure receiving side packings, respectively. a movable inspection tool for sealing the pipe joint with air at a constant pressure through the air hole of the pressure side banking, and a means for determining the presence or absence of an airtight leak from the pressure change of the air in the pipe joint after a certain period of time. , air''f, a drive that separates and moves the divided body when the presence or absence of leakage is determined and causes the pipe joint to fall under its own weight to a route based on the determination result between a good product route and a defective product route; vj control means; It is equipped with the following.
［作用］
この発明の管継手類の気密漏れ検査装置においては、保
持台上に保持された管継手を検査位置の可動検査具で封
止してから、管継手内に封入された空気圧と一定時間後
の空気圧との差により気密漏れが判別されるので、気泡
を目視する場合に比して気密漏れを見落とすおそれもな
くなるうえ検査の作業性が改善され、さらに気密漏れの
判別後に保持台の分割体が分離移動することにより、人
手によらずに管継手を良品および不良品それぞれのルー
トに自動的に送り出すことができる。[Function] In the airtight leakage inspection device for pipe fittings of the present invention, after the pipe fitting held on the holding stand is sealed with a movable inspection tool at the inspection position, the air pressure sealed in the pipe fitting is kept constant. Since airtight leaks can be determined based on the difference in air pressure after a certain period of time, there is no risk of overlooking airtight leaks compared to visually observing air bubbles, and inspection workability is improved. By separating and moving the divided bodies, the pipe fittings can be automatically sent to the respective routes for non-defective products and defective products without manual intervention.
［実施例］
以下、この発明の一実施例を図面にもとづいて説明する
。[Example] Hereinafter, an example of the present invention will be described based on the drawings.
第１図はこの発明に係る管継−Ｌ類の気密漏れ検査装置
が組み込まれた管ａ手順の検査設備を示す概略構成図で
ある。FIG. 1 is a schematic diagram illustrating a pipe a procedure test equipment incorporating a leak test device for pipe fittings L class according to the present invention.
同図において、■は管継手外観検査済ホッパであり、管
継手として、たとえば第２図に示すエルボＭが収容され
ている。このエルボＭには、ねじ切りａ（図示せず）に
より両側開口端部の内面に管用ねじがそれぞれ形成され
ている。In the same figure, ``■'' is a hopper that has been visually inspected for pipe joints, and accommodates, for example, an elbow M shown in FIG. 2 as a pipe joint. Pipe threads are formed on the inner surfaces of both open ends of the elbow M by threading a (not shown).
２は上記ホッパ１内のエルボＭを外部に搬出する搬出コ
ンヘア、３は上記搬出コンベア２でホッパｌから搬出さ
れたエルボＭを電磁吸着機４で吸着して高所のパーツフ
ィーダ５へ搬送する電磁エレベータである。エルボＭは
Ｌ記電磁エレベータ３でパーツフィーダ５へ搬送される
間に、ねじ切り工程で付着した切削油の水切りが行なわ
れる。Reference numeral 2 denotes a carry-out conveyor for carrying out the elbow M in the hopper 1 to the outside, and 3 indicates a carry-out conveyor 2 that picks up the elbow M carried out from the hopper l with an electromagnetic suction machine 4 and conveys it to a parts feeder 5 in a high place. It is an electromagnetic elevator. While the elbow M is being transported to the parts feeder 5 by the electromagnetic elevator 3, the cutting oil adhering to it during the thread cutting process is removed.
６は上記パーツフィーダ５からのエルボＭを順次整列さ
せて管用ねじＮの有無を検出する不良品検出部、７は管
用ねじＮが形成されていなかったり、整列していないエ
ルボＭが不良品として回収される不良品回収ホッパであ
る。6 is a defective product detection unit that sequentially aligns the elbows M from the parts feeder 5 and detects the presence or absence of pipe threads N; 7 is a defective product detection unit that detects the presence or absence of pipe threads N; This is a collection hopper for defective products.
８はねじＮの有無が判別されたエルボＭの気密漏れの有
無を検査する装置、９Ｉオ気′ｌＥ′ａれ検査後のエル
ボＭの回収用ホッパである。Reference numeral 8 designates a device for inspecting the presence or absence of airtight leakage in the elbow M whose presence or absence of the screw N has been determined, and 9I a hopper for collecting the elbow M after the air leakage test.
つぎに、七記気密漏れ検査装置８の具体構成について、
第３図〜第５図にもとづく説明する。Next, regarding the specific configuration of the airtight leakage inspection device 8 described in Section 7,
The explanation will be based on FIGS. 3 to 5.
１１は前工程から搬入されたエルボＭを上向きに停留さ
せる停留台で、エルボＭの位置決め用の当て板１２や柱
部１３を有する。１４は上記停留台１１上のエルボＭを
一定の数だけ移送する電磁ホルダであり、エルボＭの両
側開０端面を吸着する１対の吸着部１５．１６が設けら
れている。Reference numeral 11 denotes a stop table for stopping the elbow M carried in from the previous process upward, and has a backing plate 12 and a pillar part 13 for positioning the elbow M. Reference numeral 14 denotes an electromagnetic holder for transferring a fixed number of elbows M on the stop table 11, and is provided with a pair of suction parts 15 and 16 for suctioning the open end surfaces of the elbows M on both sides.
１７は上記電磁ホルダ１１で吸着され移送されたエルボ
Ｍを上向き姿勢のまま保持する保持台であり、この保持
台１７は、互いに分離移動可能に合体された１対の分割
体１８Ａ、１８Ｂからなり、各分割体１８Ａ、１８Ｂに
は、合体状態で上記エルボＭの背面を支持するローラ１
９Ａ。Reference numeral 17 denotes a holding table that holds the elbow M, which has been attracted and transferred by the electromagnetic holder 11, in an upward position. , each of the divided bodies 18A, 18B has a roller 1 that supports the back surface of the elbow M in the combined state.
9A.
１９Ｂがそれぞれ取り付けられている。19B are attached to each.
上記保持台１７の上方には、上下移動可能に構成されて
シリンダ装置２０で駆動される可動検査具２１が配設さ
れており、この可動検査具２１のへの字状下面には、下
降位置である検査位置で上記エルボＭの両端開口Ｍ ａ
、 Ｍ ｂをそれぞれ閉塞する加圧側および受圧側の
１対のパッキング２２．２３が取り付けられており、加
圧用パッキング２２には、空気孔２４が形成されている
。A movable inspection tool 21 that is configured to be movable up and down and is driven by a cylinder device 20 is disposed above the holding table 17, and a lowered position is provided on the lower surface of the movable inspection tool 21. Both ends of the elbow M are opened at the inspection position M a
, Mb, and a pair of packings 22, 23 on the pressure side and the pressure receiving side are attached, respectively, and air holes 24 are formed in the pressure packing 22.
２５は上記各エルボＭに対応する位置で上記可動検査具
２１に形成された分岐孔であり、上記各空気孔２４に連
通ずるようになっている。２６は可動検査体２１に形成
されて各分岐孔２５に連通ずる空気流入孔、２７は空気
流入孔２６の入口ポートであり、コンプレッサ２８に接
続されている。Reference numeral 25 denotes a branch hole formed in the movable inspection tool 21 at a position corresponding to each of the elbows M, and communicates with each of the air holes 24. 26 is an air inflow hole formed in the movable inspection body 21 and communicates with each branch hole 25; 27 is an inlet port of the air inflow hole 26, which is connected to a compressor 28.
このコンプレッサ２８は上記入口ボート２７、空気流入
孔２６および分岐孔２５等と共に、各エルボ内に一定圧
の空気を封入する手段２９を構成している。This compressor 28, together with the inlet boat 27, the air inflow hole 26, the branch hole 25, etc., constitute means 29 for sealing air at a constant pressure into each elbow.
３０は気密漏れを検出する手段としての測定・判別部で
あり、エルボＭ内に封入された空気圧と一定時間後の空
気圧との差圧を測定し、この測定結果からエルボＭの気
密漏れの有無を判別するものである。30 is a measurement/discrimination unit as a means for detecting airtight leakage, which measures the differential pressure between the air pressure sealed in the elbow M and the air pressure after a certain period of time, and determines whether or not there is an airtight leakage from the elbow M from this measurement result. This is to determine the
３１は上記保持台１７の駆動制御回路であり、エルボＭ
の１０ツトの検査が終る毎に上記保持台１７の分割体１
８Ａ、１８Ｂを分離させるとともに、上記気密漏れ検査
結果に基づいて、保持台１７の下方の良品シュータ３２
に設けられた不良品回収側シャッタ３３を開閉駆動する
ようになっている。31 is a drive control circuit for the holding table 17, and the elbow M
Each time the 10 inspections are completed, the divided body 1 of the holding table 17 is
8A and 18B are separated, and based on the above airtight leak test results, the good chute 32 under the holding table 17
A defective product recovery side shutter 33 provided at the terminal is driven to open and close.
つぎに、上記構成の動作について説明する。Next, the operation of the above configuration will be explained.
前工程から送られて第３図の停留台１１上に上向きに停
留されたエルボＭは複数個を１０−、トとして電磁ホル
ダ１４の吸着部１５．１６に吸着されて第４図の保持台
１７側に移送される。この時、保持台１７の分割体１８
Ａ、１８Ｂは互いに接合して合体状態となっているので
、上記各エルボＭは上向き姿勢のまま、その背面がロー
ラ１９Ａ、１９Ｂに支持される。この場合、停留台１１
側からエルボＭを電磁ホルダ１４で移送するので、作業
者の負担が大幅に軽減される。上記保持台１７のローラ
１９Ａ、１９Ｂはとくに必須のものではないが、このロ
ーラ１９Ａ、１９Ｂがあれば、エルボＭの安定支持が得
られるうえ、後述の可動検査具２１の下降位置でのエル
ボＭとの位置合わせが容易に行なえる。A plurality of elbows M sent from the previous process and parked upward on the holding table 11 shown in FIG. It is transferred to the 17 side. At this time, the divided body 18 of the holding base 17
Since A and 18B are joined to each other to form a combined state, each of the elbows M remains in an upward position and its back surface is supported by rollers 19A and 19B. In this case, the stop platform 11
Since the elbow M is transferred from the side using the electromagnetic holder 14, the burden on the operator is greatly reduced. The rollers 19A and 19B of the holding table 17 are not particularly essential, but with these rollers 19A and 19B, stable support of the elbow M can be obtained, and the elbow M can be moved at the lowered position of the movable inspection tool 21, which will be described later. It is easy to align with the
保持台１７上に複数個のエルボＭが保持されると、シリ
ング装置２０により、可動検査具２１が第４図の待機位
置から下降駆動され、第６図の検査位置で両パフキング
２２．２３を各エルボＭの両側開口端面に圧接して該開
口Ｍ ａ 、 Ｍ ｂを閉塞する。When a plurality of elbows M are held on the holding table 17, the movable inspection tool 21 is driven downward from the standby position shown in FIG. It is pressed against both open end surfaces of each elbow M to close the openings M a and M b.
この状態でコンプレッサ２８を作動して一定圧の空気を
入口ポート２７、空気流入孔２６、分岐孔２５および加
圧側パッキング２２の空気孔２４からエルボＭ内に送給
する。この時の空気圧と一定時間経過後の空気圧との差
が測定・判定部３０で測定され、その差圧が所定値以上
であれば、気密漏れと判定し、所定値未満の差圧であれ
ば、気密漏れなしと判定する。この場合、検査員の目視
による必要がないので、確実に気密漏れを発見でき、水
切り等も不要で検査の作業工程数が低減される。In this state, the compressor 28 is operated to feed air at a constant pressure into the elbow M from the inlet port 27, the air inflow hole 26, the branch hole 25, and the air hole 24 of the pressurizing side packing 22. The difference between the air pressure at this time and the air pressure after a certain period of time is measured by the measurement/judgment unit 30, and if the differential pressure is greater than or equal to a predetermined value, it is determined that there is an airtight leak, and if the differential pressure is less than the predetermined value, it is determined that there is an airtight leak. , it is determined that there is no leakage. In this case, there is no need for visual inspection by the inspector, so airtight leaks can be detected reliably, draining, etc. is not required, and the number of inspection steps is reduced.
上記１０ントのエルボＭの検査が終る毎に、上記駆動制
御回路３１により、上記保持台１７０分割体１８Ａ、１
８Ｂを第７図のように分離移動させるとともに、ンヤー
７夕３３を開閉制御する。すなわち、１０ツ）のエルボ
Ｍがすべて合格と判定されれば、上記シャッタ３３を閉
成状態にして、保持台１７側から落下したエルボＭを良
品シュート３２から第７図実線のように送り出す、１０
ツトのエルボＭの１つでも気密漏れがあれば、上記シャ
ッタ３３を開放させて該エルボＭを鎖線で示すように不
良エルボ回収ボックス（図示せず）へ送り込む。Every time the inspection of the 10-point elbow M is completed, the drive control circuit 31 controls the holding table 170 divided bodies 18A, 1
8B is separated and moved as shown in FIG. 7, and the opening/closing control of the holder 33 is controlled. That is, if all of the elbows M (10) are judged to be acceptable, the shutter 33 is closed, and the elbows M that have fallen from the holding table 17 are sent out from the non-defective chute 32 as shown by the solid line in FIG. 10
If even one of the elbows M has an airtight leak, the shutter 33 is opened and the elbow M is sent to a defective elbow collection box (not shown) as shown by the chain line.
この場合、上記保持台１７が分離ＤＴ能な分割体１８Ａ
、１８Ｂで構成しであるので、エルボＭは検査糾了と同
期して保持台１７から良品と不良品の選別ルートへ自動
的に移し変えられることになり、作業員の移し変え作業
を省くことができる。In this case, the holding table 17 is a divided body 18A capable of separation DT.
, 18B, the elbow M is automatically transferred from the holding table 17 to the sorting route for good products and defective products in synchronization with the inspection completion, thereby eliminating the need for the worker to transfer the work. I can do it.
なお、上記の実施例では、保持台１７に複数のエルボＭ
を保持させてこれらを一括して検査するもので説明した
が、エルボＭｔ−１個ずつ検査するものであってもよい
。In the above embodiment, the holding table 17 has a plurality of elbows M.
Although the above description has been made by holding the elbows and inspecting them all at once, it is also possible to inspect each elbow Mt-one by one.
また、上記の実施例では、エルボについて説明したが、
ティー等の他の管継手であっても、同様の効果を奏する
。In addition, in the above embodiment, the elbow was explained, but
Similar effects can be achieved with other pipe joints such as tees.
［発明の効果］
以上のように、この発明によれば、保持台上にセットさ
れた管継手内を可動検査具で加圧拳保持して差圧検知に
より気密漏れを判別するようにしたので、水槽内に浸漬
するものに比して、少ない作業工数で検出精度の向上を
図ることができ、とくに、上記保持台を分離可使な１対
の分割体で構成したことにより、検査法後の管継手を良
品と不良品とに仕分ける作業の自動化が容易で、この面
での省力化にも貢献できる効果を奏する。[Effects of the Invention] As described above, according to the present invention, a movable inspection tool holds the inside of a pipe joint set on a holding table under pressure, and airtight leakage is determined by detecting the differential pressure. , it is possible to improve detection accuracy with fewer man-hours compared to those that are immersed in a water tank, and in particular, by configuring the holding table as a pair of split pieces that can be separated, it is possible to improve the detection accuracy after the inspection method. It is easy to automate the process of sorting pipe fittings into good and defective products, and this has the effect of contributing to labor savings in this area.
第１図はこの発明に係る管継手類の気密漏れ検査装置が
適用された管継手類の検査設備を示す概略構成図、第２
図は管継手としてのエルボを示す断面図、第３図管継手
の停留台と管継手移送用の電磁ホルダを示す正面図、第
４図は気密漏れ検査装置の要部の構成を示す断面図、第
５図は気密漏れ検査装置における可動検査具を示す一部
破断側面図、第６図は可動検査具による気密漏れ検査時
の説明図、第７図は気密漏れ検査後の保持台の分離状態
の説明図である。
１７・・・保持台、１８Ａ、１８Ｂ・・・分割体、２１
・・・可動検査具、２２・・・加圧側パッキング、２３
・・・受側パッキング、２９・・・空気封入手段、３０
・・・気密漏れ判別手段、３１・・・駆動制御手段、Ｍ
・・・管継手、Ｍ ａ 、 Ｍ ｂ・・・両端開口。
特許出願人 ｌコ本鋼管継手株式会社代理人
弁理士 鈴 江 孝
（ほか１名）
第 １ 図
第 ３ 二
第
図
第５０
３１゛騒−１ｆｆｉ’１ｇ？号チλ
第
一〜FIG. 1 is a schematic configuration diagram showing an inspection equipment for pipe fittings to which the airtight leakage testing device for pipe fittings according to the present invention is applied;
Figure 3 is a cross-sectional view showing an elbow as a pipe joint, Figure 3 is a front view showing the stop of the pipe joint and an electromagnetic holder for transferring the pipe joint, and Figure 4 is a cross-sectional view showing the configuration of the main parts of the airtight leakage inspection device. , Fig. 5 is a partially cutaway side view showing the movable testing tool in the airtight leakage testing device, Fig. 6 is an explanatory diagram of the airtight leakage testing performed using the movable testing tool, and Fig. 7 shows the separation of the holding stand after the airtight leakage testing. It is an explanatory diagram of a state. 17... Holding stand, 18A, 18B... Divided body, 21
...Movable inspection tool, 22...Pressure side packing, 23
... Receiving side packing, 29 ... Air filling means, 30
... Airtight leakage determination means, 31... Drive control means, M
...Pipe fittings, M a, M b...Both ends open. Patent Applicant Agent of Kohon Steel Pipe Fittings Co., Ltd.
Patent Attorney Takashi Suzue (and 1 other person) Figure 1 Figure 3 Figure 2 50 31゛Sou-1ffi'1g? No.chi λ 1st ~
Claims (1)
れて、定姿勢で搬入される管継手を保持する保持台と、
待機位置と検査位置との間にわたり変移可能に構成され
、検査位置で上記保持台上の管継手の両端開口を加圧側
および受圧側パッキングでそれぞれ閉塞する可動検査具
と、上記加圧側パッキングの空気孔を通して管継手に一
定圧の空気を封入する手段と、上記管継手内の空気の一
定時間後の圧力変化から気密漏れの有無を判別する手段
と、気密漏れの有無の判別がなされた際に上記分割体を
分離移動させて管継手を良品ルートと不良品ルートのう
ちの判別結果に基づいたルートへ自重落下させる駆動制
御手段とを備えたことを特徴とする管継手類の気密漏れ
検査装置。(1) A holding stand that holds a pipe fitting that is carried in a fixed position and is made up of a pair of split bodies that are combined so that they can be separated and moved;
A movable inspection tool is configured to be movable between a standby position and an inspection position, and closes the openings at both ends of the pipe joint on the holding stand at the inspection position with pressure-side and pressure-receiving-side packings, and air in the pressure-side packing. a means for sealing air at a constant pressure into the pipe fitting through the hole; a means for determining the presence or absence of an airtight leak from the pressure change of the air within the pipe fitting after a certain period of time; and a means for determining whether there is an airtight leak. An airtight leakage inspection device for pipe joints, characterized in that it is equipped with a drive control means that separates and moves the divided body and causes the pipe joint to fall under its own weight to a route based on a determination result between a non-defective route and a defective route. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2211793A JP3002999B2 (en) | 1990-08-09 | 1990-08-09 | Airtight leak inspection equipment for fittings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2211793A JP3002999B2 (en) | 1990-08-09 | 1990-08-09 | Airtight leak inspection equipment for fittings |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0493740A true JPH0493740A (en) | 1992-03-26 |
| JP3002999B2 JP3002999B2 (en) | 2000-01-24 |
Family
ID=16611703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2211793A Expired - Fee Related JP3002999B2 (en) | 1990-08-09 | 1990-08-09 | Airtight leak inspection equipment for fittings |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3002999B2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5696676A (en) * | 1993-02-18 | 1997-12-09 | Nippondenso Co., Ltd. | Self-diagnosis apparatus for vehicles |
| CN102169042A (en) * | 2010-02-26 | 2011-08-31 | 陈增荣 | Screw type filter leakage-detecting machine |
| CN114146945A (en) * | 2021-11-30 | 2022-03-08 | 蚌埠通达汽车零部件有限公司 | Automatic detection pressure testing method and device for automobile air storage cylinder |
| CN114486101A (en) * | 2022-02-14 | 2022-05-13 | 淄博市特种设备检验研究院 | Pressure pipeline detection device convenient to operate and using method thereof |
| CN116429348A (en) * | 2023-06-12 | 2023-07-14 | 临沂市计量检定所 | Tightness detection device of environmental protection equipment |
| WO2024040579A1 (en) * | 2022-08-26 | 2024-02-29 | 董阳阳 | Conveying device having detection function |
-
1990
- 1990-08-09 JP JP2211793A patent/JP3002999B2/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5696676A (en) * | 1993-02-18 | 1997-12-09 | Nippondenso Co., Ltd. | Self-diagnosis apparatus for vehicles |
| CN102169042A (en) * | 2010-02-26 | 2011-08-31 | 陈增荣 | Screw type filter leakage-detecting machine |
| CN114146945A (en) * | 2021-11-30 | 2022-03-08 | 蚌埠通达汽车零部件有限公司 | Automatic detection pressure testing method and device for automobile air storage cylinder |
| CN114146945B (en) * | 2021-11-30 | 2024-01-30 | 蚌埠通达汽车零部件有限公司 | Automatic pressure detection and test method and device for automobile air reservoir |
| CN114486101A (en) * | 2022-02-14 | 2022-05-13 | 淄博市特种设备检验研究院 | Pressure pipeline detection device convenient to operate and using method thereof |
| CN114486101B (en) * | 2022-02-14 | 2023-12-26 | 大唐长春热力有限责任公司 | Pressure pipeline detection device convenient to operate and application method thereof |
| WO2024040579A1 (en) * | 2022-08-26 | 2024-02-29 | 董阳阳 | Conveying device having detection function |
| CN116429348A (en) * | 2023-06-12 | 2023-07-14 | 临沂市计量检定所 | Tightness detection device of environmental protection equipment |
| CN116429348B (en) * | 2023-06-12 | 2023-09-12 | 临沂市计量检定所 | Tightness detection device of environmental protection equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3002999B2 (en) | 2000-01-24 |
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