JPH0232638Y2 - - Google Patents
Info
- Publication number
- JPH0232638Y2 JPH0232638Y2 JP1985124512U JP12451285U JPH0232638Y2 JP H0232638 Y2 JPH0232638 Y2 JP H0232638Y2 JP 1985124512 U JP1985124512 U JP 1985124512U JP 12451285 U JP12451285 U JP 12451285U JP H0232638 Y2 JPH0232638 Y2 JP H0232638Y2
- Authority
- JP
- Japan
- Prior art keywords
- wire
- cylindrical body
- insert
- swing balancer
- fixing structure
- 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
Links
- 238000003780 insertion Methods 0.000 claims description 16
- 230000037431 insertion Effects 0.000 claims description 16
- 239000000725 suspension Substances 0.000 claims description 9
- 238000012360 testing method Methods 0.000 claims description 4
- 230000010355 oscillation Effects 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 238000007689 inspection Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Description
【考案の詳細な説明】
(イ) 産業上の利用分野
この考案は、ガソリンスタンドの地下タンクに
おける漏洩検査装置に関する。[Detailed description of the invention] (a) Industrial application field This invention relates to a leakage inspection device for underground tanks of gas stations.
(ロ) 従来技術
従来、ガソリンスタンドの地下タンクにおいて
はタンクの損傷その他の原因で内収納油が微量づ
つ漏洩している場合があり、かかる微量の漏洩で
も放置しておくことは危険なため早急に発見する
必要がある。(b) Prior art Conventionally, in underground tanks at gas stations, small amounts of oil may leak out due to damage to the tank or other causes, and it is dangerous to leave even such a small amount of leakage unattended, so it is urgently needed. need to be discovered.
(ハ) 考案が解決しようとする問題点
従つて、通常の油面計を精度的に向上せしめ
て、油面計でもつて一定時間の間隔を置いて油面
を記録し、その間の油面の変化で漏洩の有無を察
知する方法があつたが、油面計の精度を向上せし
めても油面変化が微量である為、適確な把握が困
難であり、油面計装置のコストも高価になる欠点
を有していた。(c) Problems to be solved by the invention Therefore, by improving the accuracy of the ordinary oil level gauge, the oil level gauge records the oil level at fixed time intervals, and the oil level during that time is recorded. There is a method of detecting the presence or absence of leakage based on changes in oil level, but even if the accuracy of the oil level gauge is improved, the changes in the oil level are so small that it is difficult to accurately grasp the oil level, and the cost of the oil level gauge device is high. It had some drawbacks.
(ニ) 問題点を解決するための手段
この考案では、油面に浮遊するフロートと、下
端にフロートを吊支するとともに、上端を回転リ
ールに巻回したワイヤーと、回転リールの下方
で、中央部分に設けた枢軸の軸線回りに揺動自在
に配設し、かつ、一端を固着構造によつて吊下ワ
イヤーに固着するとともに、他端にウエイトを取
付けたスイングバランサーと、同枢軸の一端に取
付け、枢軸の揺動に連動して揺動する指示針とか
ら構成し、かつ、上記固着構造を、スイングバラ
ンサーを構成する二枚の壁板間に筒体と同筒体中
に挿入自在な挿入体とからなる挾持機構を挿貫
し、筒体と挿入体とは互いに離反方向にスプリン
グにて付勢し、しかも、筒体と挿入体との重合部
分にそれぞれワイヤー挿入孔を設け、両ワイヤー
挿入孔中に吊下ワイヤーを挿通し、筒体と挿入体
との離反付勢によつて吊下ワイヤーが互いの挿貫
孔の互い違い方向の付勢により固定されるように
構成したことを特徴とするガソリンスタンドの地
下タンクにおける漏洩検査装置を提供せんとする
ものである。(d) Means for solving the problem This idea consists of a float floating on the oil surface, a wire suspended from the lower end, a wire wound around a rotating reel at the upper end, and a wire suspended from the center below the rotating reel. A swing balancer is arranged to be able to swing freely around the axis of a pivot provided in the section, and one end is fixed to the hanging wire by a fixing structure, and a swing balancer with a weight attached to the other end is attached to one end of the same pivot. The fixing structure consists of a cylindrical body between two wall plates constituting the swing balancer and an indicator needle that oscillates in conjunction with the oscillation of the pivot. The cylindrical body and the insert body are urged by a spring in the direction of separation from each other, and a wire insertion hole is provided in the overlapping portion of the cylindrical body and the insert body, respectively. The suspension wire is inserted into the wire insertion hole, and the hanging wire is fixed by the biasing of the insertion holes in alternating directions when the cylinder body and the insertion body are biased apart. The present invention aims to provide a leak inspection device for underground tanks of gas stations, which has the following characteristics.
(ホ) 作用
この考案では、フロートを地下タンク中の油面
に浮遊せしせ、スイングバランサーを一定に保持
しておけば、油漏洩によつて地下タンク中の油面
に変動が生じると、フロートが降下し、吊下ワイ
ヤーを介してスイングバランサーがバランスを崩
し、油漏洩を察知することができるものである。(e) Effect In this design, if the float is suspended on the oil level in the underground tank and the swing balancer is held constant, when the oil level in the underground tank changes due to oil leakage, When the float descends, the swing balancer loses its balance via the hanging wire, and oil leakage can be detected.
(ヘ) 効果
本考案によれば、スイングバランサーが当初の
設定バランスを崩すことにより、油漏洩を察知す
ることができ、簡単にして、確実な察知が行える
効果がある。(F) Effects According to the present invention, oil leakage can be detected by disrupting the initial setting balance of the swing balancer, and there is an effect that the detection can be performed easily and reliably.
さらに、本考案は、スイングバランサーの一端
を、固着構造を介して吊下ワイヤーに固着すると
ともに、同固着構造を、スイングバランサーを構
成する二枚の壁板間に筒体と同筒体中に挿入自在
な挿入体とからなる挾持機構を挿貫し、筒体と挿
入体とは互いに離反方向にスプリングにて付勢
し、しかも、筒体と挿入体との重合部分にそれぞ
れワイヤー挿入孔を設け、両ワイヤー挿入孔中に
吊下ワイヤーを挿通し、筒体と挿入体との離反付
勢によつて吊下ワイヤーが互いの挿貫孔の互い違
い方向の付勢により固定されるダンプ機能を有す
る多輪動力運搬車において、車の重心の前後で三
つの掛止フツクを走行フレームに取付け、荷台を
ダンプした状態で吊り上げ可能としている。 Furthermore, the present invention fixes one end of the swing balancer to the hanging wire via the fixing structure, and also attaches the fixing structure to the cylinder between the two wall plates constituting the swing balancer. A clamping mechanism consisting of a freely insertable insert body is inserted, the cylinder body and the insert body are urged by a spring in a direction away from each other, and a wire insertion hole is formed in each overlapped part of the cylinder body and the insert body. A dump function is provided in which the suspension wires are inserted into both wire insertion holes, and the suspension wires are fixed by biasing the insertion holes in alternate directions when the cylinder body and the insertion body are biased apart. In this multi-wheel power transport vehicle, three hooks are attached to the traveling frame before and after the center of gravity of the vehicle, allowing the cargo platform to be lifted in a dumped state.
かかる構成によつて、漏洩検査装置を液面表示
装置とは別体に構成することができ、漏洩検査装
置と液面表示装置とをともに簡素な構造とするこ
とができ、また、正確に作動させることができ
る。 With this configuration, the leak inspection device can be configured separately from the liquid level display device, and both the leak inspection device and the liquid level display device can have a simple structure, and can operate accurately. can be done.
さらに、本考案は、上記した特殊な固着構造を
有するので、筒体と挿入体の両端面を押圧するこ
とによつて、吊下ワイヤーとスイングバランサー
との係合を速やかに解除して、タンク内の液面レ
ベルに合わせて容易に吊下ワイヤーを昇降するこ
とができる。 Furthermore, since the present invention has the above-mentioned special fixing structure, by pressing both end surfaces of the cylinder and the insert, the engagement between the hanging wire and the swing balancer can be quickly released, and the tank The hanging wire can be easily raised and lowered according to the liquid level inside.
(ト) 実施例
本考案の実施例を図面にもとづき詳説すれば、
Ａはガソリンスタンドの地下タンクを示してお
り、同タンクＡ上方にはマンホールＢが設けられ
ており、マンホールＢ中には地下タンクＡに連通
した連通パイプＣが収納されている。(G) Example The example of the present invention will be explained in detail based on the drawings.
A indicates an underground tank of a gas station. A manhole B is provided above the tank A, and a communication pipe C communicating with the underground tank A is housed in the manhole B.
Ｇは地上面を示す。 G indicates the ground surface.
連通パイプＣの上端には、地下タンクＡの漏洩
検査を行う際に載置設定すべき漏洩検査装置Ｍが
装着されている。 A leak test device M is attached to the upper end of the communication pipe C to be mounted and set when performing a leak test of the underground tank A.
同漏洩検査装置Ｍは、次の通り構成されてい
る。 The leakage testing device M is configured as follows.
すなわち、同装置Ｍのケース１には、枢軸２が
回動自在に軸架されており、同枢軸２にはスイン
グバランサー３の中途が固設されており、同バラ
ンサー３の一端にはフロート吊下支持の為の吊下
ワイヤー４の中途が固着され、他端にはウエイト
５が連設されており、吊下ワイヤー４の下端に
は、地下タンクＡ中の油面に浮遊すべきフロート
６が連設されており、同フロート６が油面に浮遊
している際に、スイングバランサー３は、一定の
バランスを保持すべくフロート６とウエイト５と
の相関関係が構成されている。 That is, a pivot shaft 2 is rotatably mounted on a case 1 of the device M, a swing balancer 3 is fixedly attached to the pivot shaft 2, and a float suspension is attached to one end of the balancer 3. A suspension wire 4 for lower support is fixed at its midpoint, and a weight 5 is connected to the other end, and a float 6 to be floated on the oil surface in the underground tank A is attached to the lower end of the suspension wire 4. are arranged in series, and the swing balancer 3 is constructed such that the float 6 and the weight 5 have a correlation to maintain a constant balance when the float 6 is floating on the oil surface.
なお、２０は吊下ワイヤー４の上端を巻回した
回転リールである。 Note that 20 is a rotating reel around which the upper end of the hanging wire 4 is wound.
また、スイングバランサー３の一端と吊下ワイ
ヤー４との固着構造は、スイングバランサー３を
一定間隔保持した二枚の壁板３−１，２より構成
し、その間に筒体７と同筒体７中に挿入自在な挿
入体８とよりなる挾持機構を挿貫し、筒体７と挿
入体８とは互いに離反方向にスプリング９にて付
勢し、しかも筒体７と挿入体８との重合部分にそ
れぞれワイヤー挿入孔１０，１０′を設け、同挿
入孔１０，１０′中に吊下ワイヤー４を挿通して
おき、筒体７と挿入体８との離反付勢によつて吊
下ワイヤー４が互いの挿貫孔１０，１０′の互い
違い方向の付勢により固定されるものである。 Further, the fixing structure between one end of the swing balancer 3 and the hanging wire 4 is made up of two wall plates 3-1 and 2 which hold the swing balancer 3 at a constant distance, and between which the cylindrical body 7 and the same cylindrical body 7 are connected. A clamping mechanism consisting of an insert body 8 that can be inserted freely is inserted, and the cylinder body 7 and the insert body 8 are urged by a spring 9 in a direction away from each other, and the cylinder body 7 and the insert body 8 overlap. Wire insertion holes 10 and 10' are provided in each part, and the suspension wire 4 is inserted into the insertion holes 10 and 10', and the suspension wire is inserted by the separating force between the cylinder body 7 and the insertion body 8. 4 are fixed by biasing the respective insertion holes 10, 10' in alternate directions.
このように、上記した特殊な固着構造を有する
ので、筒体７と挿入体８の両端面を押圧すること
によつて、吊下ワイヤー４とスイングバランサー
３との係合を速やかに解除して、タンク内の液面
レベルに合わせて容易に吊下ワイヤー４を昇降す
ることができる。 As described above, since it has the above-mentioned special fixing structure, by pressing both end surfaces of the cylinder body 7 and the insert body 8, the engagement between the hanging wire 4 and the swing balancer 3 can be quickly released. , the hanging wire 4 can be easily raised and lowered according to the liquid level in the tank.
また、枢軸２には指示針１２が連設され、指示
針１２の先端に設けた表記部１３が枢軸２の回動
を拡張した状態で表示用紙１４に枢軸回動を示す
線を画くように構成しており、１５はモーターで
あり、表示用紙１４を回動せしめるものである。 Further, an indicator needle 12 is connected to the pivot 2, and a marking section 13 provided at the tip of the indicator needle 12 draws a line indicating the pivot rotation on the display paper 14 when the rotation of the pivot 2 is extended. 15 is a motor that rotates the display paper 14.
１１は本来の油面計を示す。 11 shows the original oil level gauge.
第１図は、本案装置の全体説明図、第２図は、
同要部の側面図、第３図は、同正面図、第４図は
吊下ワイヤーの固着部分の断面説明図。
Ｍ……漏洩検査装置、２……枢軸、３……スイ
ングバランサー、４……吊下ワイヤー、５……ウ
エイト、６……フロート。
Figure 1 is an overall explanatory diagram of the proposed device, and Figure 2 is
FIG. 3 is a side view of the main part, FIG. 3 is a front view of the same, and FIG. 4 is a cross-sectional explanatory view of the fixed part of the hanging wire. M... Leakage inspection device, 2... Pivot, 3... Swing balancer, 4... Hanging wire, 5... Weight, 6... Float.
Claims (1)
回転リールに巻回したワイヤーと、 ハ 回転リールの下方で、中央部分に設けた枢軸
の軸線回りに揺動自在に配設し、かつ、一端を
固着構造によつて吊下ワイヤーに固着するとと
もに、他端にウエイトを取付けたスイングバラ
ンサーと、 ニ 同枢軸の一端に取付け、枢軸の揺動に連動し
て揺動する指示針とから構成し、 かつ、上記固着構造を、スイングバランサー
を構成する二枚の壁板間に筒体と同筒体中に挿
入自在な挿入体とからなる挾持機構を挿貫し、
筒体と挿入体とは互いに離反方向にスプリング
にて付勢し、しかも、筒体と挿入体との重合部
分にそれぞれワイヤー挿入孔を設け、両ワイヤ
ー挿入孔中に吊下ワイヤーを挿通し、筒体と挿
入体との離反付勢によつて吊下ワイヤーが互い
の挿貫孔の互い違い方向の付勢により固定され
るように構成したことを特徴とするガソリンス
タンドの地下タンクにおける漏洩検査装置。[Scope of Claim for Utility Model Registration] (a) A float floating on the oil surface, (b) A wire that suspends the float at its lower end and is wound around a rotating reel at its upper end, and (c) A wire provided in the center below the rotating reel. a swing balancer which is arranged to be swingable around the axis of the pivot, one end of which is fixed to the suspension wire by a fixing structure, and a weight attached to the other end; and an indicator needle that oscillates in conjunction with the oscillation of the swing balancer, and the fixing structure includes a cylindrical body between two wall plates constituting the swing balancer, and an inserter that can be freely inserted into the cylindrical body. Insert the clamping mechanism consisting of
The cylindrical body and the insert body are biased by a spring in the direction of separation from each other, and a wire insertion hole is provided in each overlapping portion of the cylindrical body and the insert body, and a hanging wire is inserted into both wire insertion holes. A leakage testing device for an underground tank of a gas station, characterized in that the hanging wire is fixed by biasing the cylindrical body and the insertion body apart by biasing the insertion holes in alternate directions. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985124512U JPH0232638Y2 (en) | 1985-08-12 | 1985-08-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985124512U JPH0232638Y2 (en) | 1985-08-12 | 1985-08-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6233600U JPS6233600U (en) | 1987-02-27 |
| JPH0232638Y2 true JPH0232638Y2 (en) | 1990-09-04 |
Family
ID=31016591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985124512U Expired JPH0232638Y2 (en) | 1985-08-12 | 1985-08-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0232638Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5613240A (en) * | 1979-07-06 | 1981-02-09 | Nissan Motor Co Ltd | Wiper |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52102755U (en) * | 1976-01-31 | 1977-08-04 |
-
1985
- 1985-08-12 JP JP1985124512U patent/JPH0232638Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5613240A (en) * | 1979-07-06 | 1981-02-09 | Nissan Motor Co Ltd | Wiper |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6233600U (en) | 1987-02-27 |
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