JP4330252B2 - Lid member locking device provided at the pipe joint - Google Patents
Lid member locking device provided at the pipe joint Download PDFInfo
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- JP4330252B2 JP4330252B2 JP2000192213A JP2000192213A JP4330252B2 JP 4330252 B2 JP4330252 B2 JP 4330252B2 JP 2000192213 A JP2000192213 A JP 2000192213A JP 2000192213 A JP2000192213 A JP 2000192213A JP 4330252 B2 JP4330252 B2 JP 4330252B2
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- Japan
- Prior art keywords
- lid member
- hole
- rod
- pipe joint
- locking device
- 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.)
- Expired - Fee Related
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Description
【０００１】
【発明の属する技術分野】
本発明は、例えば貯蔵タンク等の注入口に設けられた配管接合部の蓋部材のロック装置に関し、タンクローリーなどから原料化合物などを貯蔵用タンク等に注入する際に、誤って異なる物を注入することを防止する方法に関する。
【０００２】
【従来の技術】
タンクローリーなどから貯蔵用タンクに原料化合物などを注入する操作は、単純な作業であるが故の慣れ、あるいは疲れなどから、時としてタンクを間違えて注入することがある。その結果、タンク残留物と注入物とが反応して危険なガスが発生したり、火災、爆発事故が発生することがある。
このような注入作業における誤操作を防ぐため、注入口に化合物名を明記したラベルを付設するとか、注入口の色を区別するなどして作業者に注意を喚起する手段を採っていた。
また、特開平１０−２５０８００号公報には、図４に示すようなロック装置を備え付けた給油口が記載されている。
【０００３】
【発明が解決しようとする課題】
以上のような誤操作を防止する機構を設けているにもかかわらず、誤注入やそれに基づく事故は跡を絶たない。また、工場潜生産施設の配管において誤操作を有効に防止する装置及び方法については知られていない。
本発明は、誤注入等を防止する方法、及びそのための効果的な手段を提供することを目的とする。本発明者は、このような誤操作の原因は、一人の作業者が貯蔵タンクの注入口をあけ、そしてタンクローリー等から注入する作業を行なうことにあるものと考え、一人の作業者がこの一連の作業を行なえないようにすればよいことを思い付いた。本発明は、そのための手段を提供しようとするものである。
【０００４】
【課題を解決するための手段】
本発明者等は、このような誤操作の原因は、一人の作業者が貯蔵タンクの注入口をあけ、そしてタンクローリー等から注入する作業を行なうことにあるものと考え、一人の作業者がこの一連の作業を行なえないようにすればよいことを思い付いつき、配管接続部に装着可能なロック装置を考案し本発明を完成するに至った。
【０００５】
即ち、本発明は、
（１）配管接合部側に設けられた貫通口と蓋部材側に設けられた突起、及び着脱自在な錠を装着した貫通口に挿通自在な棒状部材からなる配管接合部に設けられた蓋部材ロック装置、
（２）蓋部材側に設けられた貫通口と配管接合部材側に設けられた突起、及び着脱自在な錠を装着した貫通口に挿通自在な棒状部材からなる配管接合部に設けられた蓋部材ロック装置、
（３）配管接合部材側及び蓋部材側の両方に対置して設けられた複数個の貫通口、及び着脱自在な錠を先端部に装着した貫通口に挿通自在なボルトとナットからなる配管接合部に設けられた蓋部材ロック装置、
【０００６】
（４）（１）〜（３）のいずれかに記載の蓋部材ロック装置をタンク注入口に設けたことを特徴とする貯蔵用タンク、
（５）錠をあける者とは異なる者が（１）〜（４）に記載の配管接合部を通して注入操作をすることにより誤注入を防止する方法に関する。
【０００７】
【発明の実施の形態】
（ロック装置）
ロック装置としては、次の形態があるが、同様の効果を奏する形態であるならばこれらに限定されない。
（１）配管接続部側に設けられた貫通口と蓋部材側に設けられた突起、及び着脱自在な錠を装着した貫通口に挿通自在な棒状部材からなる装置。
（２）蓋部材側に設けられた貫通口と配管接続部側に設けられた突起、及び着脱自在な錠を装着した貫通口に挿通自在な棒状部材からなる装置。
（３）配管接続部側及び蓋部材側の両方に対置して設けられた複数個の貫通口、及び着脱自在な錠を先端部に装着した貫通口に挿通自在なボルトとナットからなる装置。
【０００８】
上記（１）及び（２）の方式において、配管接続部又は蓋部材に設ける貫通口としては、注入口又は蓋部材に一体又は別体に貫通口用凸部を設けて、その部分に貫通口を穿設する。また、配管接続部又は蓋部材に設ける突起としては、注入口又は蓋部材に一体又は別体に設ける。
貫通口に挿通自在な棒状部材は、貫通口に挿通してあるときには、蓋部材を回転しても棒状部材の一端が配管接続部又は蓋部材に設けられた突起に側面から突き当たってそれ以上回転できないようにするためのものである。棒状部材にはその一部、たとえば端部あるいは中央部に孔を穿設して錠を着脱自在に取付ける。
錠は、鍵により施錠のできる形式であっても、あるいは番号を合わせる形式のものであってもよい。
上記（３）の方式においては、たとえばフランジ継手の一方のフランジが蓋部材になったものが用いられ、ボルトとナットにより締め付ける。ボルトの先端部には孔を穿設して錠を着脱自在に取付ける。
（１）から（３）のいずれの場合でも、注入時には錠を外して棒状部材またはボルトを引き抜き、蓋部材を取り外して注入する。使用しない時は、貫通口に棒状部材またはボルトを挿通して施錠しておく。
【０００９】
（配管接続部）
本発明のロック装置は、配管接続部がネジ込み式、フランジである場合に好適に用いられるが、他の方式の方法でも制限されることなく使用することができる。接続部に接続する相手としては、他の配管、仕込み用のホース等、接続できるものであれば特に限定されない。
本発明の配管接続部は、例えば、貯蔵タンク、反応槽等の注入口等の物質を搬入する配管であればと特に制限されない。中でも、原料、製品等の貯蔵タンクの注入口に用いた場合、誤操作を効果的に防止することができ好ましい。
【００１０】
（操作方法）
タンクローリーなどで、原料化合物などを運搬してきた作業者は、まずロック手段の錠の管理者に連絡する。錠の管理者はタンクローリーなどが運搬してきた内容物をチェックして、正しい貯蔵タンクの所に行き、タンク注入口に取付けられた錠をあける。
次いで、錠を外してもらったタンクローリーなどの作業者は、注入口から内容物を注入する。作業終了後、注入者あるいは錠管理者は蓋を閉めて施錠する。
【００１１】
【実施例】
以下、本発明の実施例を図１、図２、図３に基づいて詳細に説明するが、本発明は実施例に限定されるものではない。
【００１２】
図１は、本発明の一つの実施例であり、貯蔵タンクの注入口付近の施錠された状態の概略を示す。注入口１に蓋部材２が螺合されており、注入口の周囲には突起３を設け、蓋部材２の上には一端に貫通口を設けた部材を取付けた。この貫通口を挿通して棒状部材５を取り付けた。棒状部材の一端は貫通口の径より大きい径の頭部を有し、略中央部には孔を穿設して錠４を装着した。また棒状部材の長さは、蓋部材を回転しようとしても注入口の周囲に設けた突起３に棒状部材がぶつかってそれ以上回転しないに足る長さとした。
錠の管理者は、鍵または暗証番号を所有しており、タンクローリーの作業者から通知を受けると、タンクローリーと貯蔵タンクの内容物が一致していることを確認後錠をあけるようにした。
【００１３】
図２は、本発明の他の実施例を示す。図１と異なり、注入口１に蓋部材２が螺合されているが、注入口側に凸部６を設けてそれに貫通口をあけ、蓋部材の周縁に突起３を設けた。
貫通口を挿通して取付けた棒状部材５には、その一端に孔を穿設して錠４を取付けた。
図３は、更に別の実施例を示す。注入口１に蓋部材２をボルト７とナット８により取付けた。ボルトの先端には孔を穿設して錠４を取付けた。
【００１４】
【発明の効果】
貯蔵タンク等に本発明のロック装置を取付け、錠をあける者とは異なる者が貯蔵タンクへの注入操作をすることにより、貯蔵タンクに誤った内容物を注入することを効果的に防止することができるようになった。しかも、本発明のロック装置は、工場製造施設内で使われるあらゆる配管に適用することができる。
【図面の簡単な説明】
【図１】図１は本発明の一実施例を示す概略図。
【図２】図２は、本発明の他の実施例を示す慨略図。
【図３】図３は更に他の実施例を示す慨略図。
【図４】図４は従来の技術の実施例を示す概略図。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a locking device for a lid member of a pipe joint provided at an inlet of a storage tank or the like, for example, and when a raw material compound or the like is injected from a tank lorry or the like into a storage tank or the like, a different object is erroneously injected. It relates to a method for preventing this.
[0002]
[Prior art]
The operation of injecting a raw material compound or the like from a tank lorry or the like into a storage tank is a simple operation, but sometimes it is inadvertently injected due to habituation due to fatigue or fatigue. As a result, the tank residue and the injected material may react to generate dangerous gas, or a fire or explosion may occur.
In order to prevent such an erroneous operation in the injection operation, a means for alerting the operator by attaching a label specifying the compound name to the injection port or distinguishing the color of the injection port has been adopted.
Japanese Patent Application Laid-Open No. 10-250800 describes a fuel filler provided with a lock device as shown in FIG.
[0003]
[Problems to be solved by the invention]
Despite the provision of a mechanism for preventing such erroneous operations as described above, misinjections and accidents based on them have no trace. In addition, there is no known device and method for effectively preventing erroneous operations in the piping of factory submerged production facilities.
An object of this invention is to provide the method of preventing misinjection etc., and the effective means for it. The present inventor considers that the cause of such an erroneous operation is that one worker opens the injection port of the storage tank and performs an operation of injecting from a tank lorry or the like, and one operator performs this series of operations. I came up with the idea of not being able to do the work. The present invention seeks to provide means for this purpose.
[0004]
[Means for Solving the Problems]
The present inventors consider that the cause of such an erroneous operation is that one worker opens the inlet of the storage tank and performs an operation of injecting from a tank lorry, etc. I came up with the idea that I should not be able to perform this work, and devised a locking device that can be attached to a pipe connection part, and completed the present invention.
[0005]
That is, the present invention
(1) A lid member provided in a pipe joint portion comprising a through-hole provided on the pipe joint side, a protrusion provided on the lid member side, and a rod-like member that can be inserted into the through-hole equipped with a detachable lock. Locking device,
(2) A lid member provided in a pipe joint portion comprising a through-hole provided on the lid member side, a protrusion provided on the pipe joint member side, and a rod-like member that can be inserted into the through-hole equipped with a detachable lock. Locking device,
(3) Pipe joint composed of a plurality of through holes provided opposite to both the pipe joint member side and the lid member side, and bolts and nuts that can be inserted into the through holes provided with a detachable lock at the tip. Lid member locking device provided in the section,
[0006]
(4) A storage tank, wherein the lid member locking device according to any one of (1) to (3) is provided at a tank inlet,
(5) The present invention relates to a method for preventing erroneous injection by performing an injection operation through a pipe joint described in (1) to (4) by a person different from the person who opens the lock.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
(Locking device)
The locking device has the following forms, but is not limited to these as long as it has the same effect.
(1) An apparatus comprising a through-hole provided on the pipe connection side, a protrusion provided on the lid member side, and a rod-like member that can be inserted through the through-hole provided with a detachable lock.
(2) An apparatus comprising a through-hole provided on the lid member side, a protrusion provided on the pipe connection portion side, and a rod-like member that can be inserted into the through-hole provided with a detachable lock.
(3) A device comprising a plurality of through holes provided facing both the pipe connection part side and the lid member side, and bolts and nuts that can be inserted into the through holes having a detachable lock attached to the tip part.
[0008]
In the above methods (1) and (2), as the through-hole provided in the pipe connection part or the lid member, the through-hole convex part is provided integrally or separately in the injection port or the lid member, and the through-hole is provided in that part. To drill. Moreover, as a protrusion provided in a pipe connection part or a cover member, it is provided in an inlet or a cover member integrally or separately.
When the rod-shaped member that can be inserted through the through-hole is inserted through the through-hole, even if the lid member is rotated, one end of the rod-shaped member abuts against the projection provided on the pipe connection portion or the lid member from the side surface and rotates further. It is to prevent you from doing it. A hole is formed in a part of the rod-like member, for example, an end portion or a central portion, and a lock is detachably attached.
The lock may be in a format that can be locked with a key, or in a format that matches numbers.
In the above method (3), for example, a flange joint in which one flange is a lid member is used and tightened with a bolt and a nut. A hole is drilled at the tip of the bolt, and the lock is detachably attached.
In any case of (1) to (3), at the time of injection, the lock is removed, the rod-shaped member or bolt is pulled out, and the lid member is removed for injection. When not in use, a rod-like member or bolt is inserted into the through hole and locked.
[0009]
(Piping connection)
The locking device of the present invention is preferably used when the pipe connection portion is a screw-in type and a flange, but can be used without being restricted by other methods. The partner to be connected to the connection part is not particularly limited as long as it can be connected to other pipes, charging hoses, and the like.
The piping connection part of this invention will not be restrict | limited especially if it is piping which carries in substances, such as inlets, such as a storage tank and a reaction tank, for example. Especially, when using it for the inlet of storage tanks, such as a raw material and a product, an erroneous operation can be prevented effectively and it is preferable.
[0010]
(Method of operation)
An operator who has transported a raw material compound or the like with a tank lorry first contacts the manager of the lock of the locking means. The lock administrator checks the contents carried by the tank lorry, goes to the correct storage tank, and opens the lock attached to the tank inlet.
Next, an operator such as a tank lorry who has been unlocked injects the contents from the inlet. After the work is finished, the injector or lock manager closes the lid and locks.
[0011]
【Example】
Hereinafter, although the Example of this invention is described in detail based on FIG.1, FIG.2, FIG.3, this invention is not limited to an Example.
[0012]
FIG. 1 is one embodiment of the present invention and shows an outline of a locked state near the inlet of a storage tank. A
The administrator of the lock owns the key or PIN, and when notified by the tank lorry operator, the lock administrator confirms that the contents of the tank lorry and the storage tank match, and then unlocks the lock.
[0013]
FIG. 2 shows another embodiment of the present invention. Unlike FIG. 1, the
The rod-like member 5 inserted through the through-hole was attached with a lock 4 by making a hole at one end.
FIG. 3 shows yet another embodiment. The
[0014]
【The invention's effect】
By effectively attaching the locking device of the present invention to a storage tank, etc., and injecting the wrong contents into the storage tank by a person different from the person who unlocks the storage tank Can now. Moreover, the locking device of the present invention can be applied to any piping used in a factory manufacturing facility.
[Brief description of the drawings]
FIG. 1 is a schematic view showing an embodiment of the present invention.
FIG. 2 is a schematic diagram showing another embodiment of the present invention.
FIG. 3 is a schematic view showing still another embodiment.
FIG. 4 is a schematic view showing an example of the prior art.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000192213A JP4330252B2 (en) | 2000-06-27 | 2000-06-27 | Lid member locking device provided at the pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000192213A JP4330252B2 (en) | 2000-06-27 | 2000-06-27 | Lid member locking device provided at the pipe joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002002897A JP2002002897A (en) | 2002-01-09 |
| JP4330252B2 true JP4330252B2 (en) | 2009-09-16 |
Family
ID=18691376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000192213A Expired - Fee Related JP4330252B2 (en) | 2000-06-27 | 2000-06-27 | Lid member locking device provided at the pipe joint |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4330252B2 (en) |
-
2000
- 2000-06-27 JP JP2000192213A patent/JP4330252B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2002002897A (en) | 2002-01-09 |
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