JPS62134350A - Antistatic device for conveying vehicle - Google Patents
Antistatic device for conveying vehicleInfo
- Publication number
- JPS62134350A JPS62134350A JP27445385A JP27445385A JPS62134350A JP S62134350 A JPS62134350 A JP S62134350A JP 27445385 A JP27445385 A JP 27445385A JP 27445385 A JP27445385 A JP 27445385A JP S62134350 A JPS62134350 A JP S62134350A
- Authority
- JP
- Japan
- Prior art keywords
- electromagnet
- contact
- discharging lever
- conveying vehicle
- traveling
- 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.)
- Pending
Links
Landscapes
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、工場内などの確送車に帯電する静電気を走
行面に放電するようにした搬送車の帯電防止装置に関す
る。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an antistatic device for a conveyance vehicle, which discharges static electricity charged on a conveyance vehicle in a factory or the like onto a running surface.
（従来の技術〕
第４図は従来の搬送車の構成を示す断面図である。この
第４図において、搬送車１の本体フレーム２の底部に非
導電材料であるゴム系のタイヤを有する走行車輪３が取
り付けられている。(Prior Art) Fig. 4 is a cross-sectional view showing the configuration of a conventional transport vehicle. Wheels 3 are attached.
この走行車輪３は複数個設けられており、工場内などの
走行面４上を転動するようになっている。A plurality of these running wheels 3 are provided and roll on a running surface 4 inside a factory or the like.
また、本体フレーム２内には、制御機器５が搭載されて
おり、この搬送車１を走行するに際し、走行面４と走行
車輪３との摩擦により、静電気が発生し、搬送車１の本
体フレーム２が帯電する。In addition, a control device 5 is mounted inside the main body frame 2, and when the guided vehicle 1 runs, static electricity is generated due to friction between the running surface 4 and the running wheels 3, and the main body frame of the guided vehicle 1 is 2 is charged.
この帯電を防止するために、本体フレーム２の底部に放
電用くさり６の一端を取り付け、この放電用くさり６の
他端を走行面上に垂下接触させて搬送車に帯電した静電
気を走行面４に放電するようにしている。 。In order to prevent this charging, one end of the discharge chain 6 is attached to the bottom of the main body frame 2, and the other end of the discharge chain 6 is brought into contact with the running surface so that the static electricity charged on the transport vehicle is transferred to the running surface 4. It is designed to discharge electricity. .
しかしながら、この放電用くさり６の他端は搬送車１の
走行時に、走行面４と摩擦して、はこりが出易いばかり
か、放電用くさり６が摩耗して切断される場合がある。However, when the transport vehicle 1 runs, the other end of the discharge chain 6 rubs against the running surface 4, and not only is it easy to get lumps, but also the discharge chain 6 may be worn out and cut.
放電用くさり６が切断されると、搬送車１に静電気が帯
電するため、搬送車に搭載した制御機器５が破損または
誤動作するという問題点があった。When the discharge link 6 is cut, the transport vehicle 1 is charged with static electricity, causing a problem that the control device 5 mounted on the transport vehicle may be damaged or malfunction.
この発明は、かかる問題点を解決するためになされたも
ので、摩耗およびほこりの発生がなく、消費電力が少な
く、制御機器の破損および誤動作を防止できる搬送車の
帯電防止装置を得ることを目的とする。This invention was made in order to solve these problems, and aims to provide an antistatic device for a transport vehicle that does not generate wear or dust, consumes less power, and can prevent damage and malfunction of control equipment. shall be.
この発明に係る搬送車の帯電防止装置は、搬送車の本体
フレームに搬送車が停止しているときのみ放電を可能と
した放電用レバーを設けたものである。The antistatic device for a transport vehicle according to the present invention is provided with a discharging lever on the main body frame of the transport vehicle, which enables discharging only when the transport vehicle is stopped.
この発明においては、搬送車の走行時に放電用レバーは
永久磁石とばねにより走行面より持ち上げられ、停止時
に電磁石と永久磁石が反撥して放電用レバーが走行面に
接触して静電気を放電する。In this invention, when the transport vehicle is running, the discharging lever is lifted from the running surface by a permanent magnet and a spring, and when the vehicle is stopped, the electromagnet and permanent magnet repel, and the discharging lever comes into contact with the running surface to discharge static electricity.
以下、この発明の搬送車の帯電防止装置の実施例につい
て図面に基づき説明する。第１図はその一実施例の構成
を示す断面図である。この第１図において、重複を避け
るために、第４図と同一部分には同一符号を付してその
説明を省略し、第４図とは異なる部分のみを説明する。Embodiments of the antistatic device for a transport vehicle according to the present invention will be described below with reference to the drawings. FIG. 1 is a sectional view showing the configuration of one embodiment. In FIG. 1, in order to avoid duplication, the same parts as in FIG. 4 are given the same reference numerals, and their explanations are omitted, and only the parts that are different from FIG. 4 will be explained.
この第１図を第４図と比較しても明らかなように、第１
図では、第４図における放電用くさり６が省略された構
成に新たに、以下に述べる部分が付加されたものである
。As is clear from comparing Figure 1 with Figure 4,
In the figure, the following parts are newly added to the configuration in which the discharge link 6 in FIG. 4 is omitted.
すなわち、本体フレーム２の底部の所定個所に、放電用
レバー支持フレーム７が取り付けられている。この放電
用レバー支持フレーム７の先端に、放電用レバー８の一
端部８ａが回動自在に枢着されている。That is, the discharging lever support frame 7 is attached to a predetermined location on the bottom of the main body frame 2. One end portion 8a of the discharge lever 8 is rotatably attached to the tip of the discharge lever support frame 7.
放電用レバー８の他端部８ｂの上面には、永久磁石９が
取り付けられている。この永久磁石９と放電用レバー支
持フレーム７との間の位置において、放電用レバー８と
本体フレーム２の底部間には、支持ばね１０が取り付け
られている。この支持ばね１０は常時放電用レバー８の
他端部８ｂを本体フレーム２の底部側に吸引するように
付勢されている。A permanent magnet 9 is attached to the upper surface of the other end 8b of the discharge lever 8. A support spring 10 is attached between the discharge lever 8 and the bottom of the main body frame 2 at a position between the permanent magnet 9 and the discharge lever support frame 7 . This support spring 10 is always biased so as to attract the other end 8b of the discharge lever 8 toward the bottom side of the main body frame 2.
永久磁石９に対応して、本体フレーム２に電磁石１１が
装着されている。この電磁石１１の励磁。An electromagnet 11 is attached to the main body frame 2 in correspondence with the permanent magnet 9. Excitation of this electromagnet 11.
非励磁は制御機器５内に設けられた制御装置により制御
するようになっている。De-energization is controlled by a control device provided within the control device 5.
この制御装置の構成は第２図に示すように構成されてい
る。この第２図において、ラインＬＬ。The configuration of this control device is as shown in FIG. In this FIG. 2, line LL.
Ｌ２には、それぞれ（＋）、 （−）の電圧が印加さ
れている。ラインＬ１とＬ２間には、制御回路１２と走
行信号用の電磁開閉器１３との直列回路が接続されてい
る。(+) and (-) voltages are applied to L2, respectively. A series circuit including a control circuit 12 and an electromagnetic switch 13 for driving signals is connected between the lines L1 and L2.
また、ラインＬｌとＬ２間には、電磁開閉器１３の常開
接点１３ａと走行駆動回路１４との直列回路が接続され
ている。Moreover, a series circuit of the normally open contact 13a of the electromagnetic switch 13 and the traveling drive circuit 14 is connected between the lines Ll and L2.
さらに、ラインＬ１とＬ２間には、電磁開閉器１３の常
閉接点１３ｂと電磁石制御回路１５との直列回路が接続
されている。Furthermore, a series circuit of the normally closed contact 13b of the electromagnetic switch 13 and the electromagnet control circuit 15 is connected between the lines L1 and L2.
次に、以上のように構成されたこの発明の搬送車の帯電
防止装置の動作について説明する。制御回路１２が動作
して走行Ｉｗ令が出ると、走行信号用の電磁開閉器１３
が励磁される。Next, the operation of the antistatic device for a transport vehicle of the present invention configured as described above will be explained. When the control circuit 12 operates and a running Iw command is issued, the electromagnetic switch 13 for running signals is activated.
is excited.
これにより、その常開接点１３ａが閉成され、走行駆動
回路１４が付勢される。その結果、搬送車１が走行を開
始する。第１図はこの搬送車１の走行状態を表わしてい
る。As a result, the normally open contact 13a is closed and the traveling drive circuit 14 is energized. As a result, the transport vehicle 1 starts traveling. FIG. 1 shows the traveling state of this transport vehicle 1.
また、これと同時に、電磁開閉器１３の常閉接点１３ｂ
が開放されるので、電磁石制御回路１５が消勢される。At the same time, the normally closed contact 13b of the electromagnetic switch 13
is opened, so the electromagnet control circuit 15 is deenergized.
したがって、電磁石１１が消磁され、放電用レバー８の
他端部８ｂは支持ばね１゜の力と永久磁石９の吸引力と
により、走行面４がら持ち上がって、第１図に示すごと
く、無放電状態となる。Therefore, the electromagnet 11 is demagnetized, and the other end 8b of the discharging lever 8 is lifted off the running surface 4 by the force of the support spring 1° and the attractive force of the permanent magnet 9, and as shown in FIG. state.
次に、制御回路１２が動作して、走行停止指令が出ると
、走行信号用の電磁開閉器１３が消磁される。これによ
り、その常開接点１３ａが開放され、走行駆動回路１４
が消勢され、搬送車１の走行が停止される。Next, when the control circuit 12 operates and a travel stop command is issued, the electromagnetic switch 13 for the travel signal is demagnetized. As a result, the normally open contact 13a is opened, and the traveling drive circuit 14
is deenergized, and the traveling of the transport vehicle 1 is stopped.
これと同時に、電磁開閉器１３の常閉接点１３ｂが閉成
されるので、電磁石制御回路１５が付勢され、電磁石１
１が励磁される。At the same time, the normally closed contact 13b of the electromagnetic switch 13 is closed, so the electromagnet control circuit 15 is energized and the electromagnet 1
1 is excited.
第３図は搬送車１の停止状態を示すもので、この第３図
より明らかなように、電磁石１１が励磁されることによ
り、電磁石１１と永久磁石９が反撥作用を行い支持ばね
１０の弾力に抗して、放電用レバー８の他端部８ｂが垂
下して走行面４と接触する。これにより、搬送車１に帯
電した静電気が本体フレーム２および放電用レバー８を
通して走行面４に放電される。FIG. 3 shows the stopped state of the transport vehicle 1. As is clear from FIG. 3, when the electromagnet 11 is excited, the electromagnet 11 and the permanent magnet 9 exert a repulsive action, and the elasticity of the support spring 10 is Against this, the other end 8b of the discharge lever 8 hangs down and comes into contact with the running surface 4. As a result, the static electricity charged on the transport vehicle 1 is discharged onto the running surface 4 through the main body frame 2 and the discharge lever 8.
この発明は以上説明したとおり、搬送車の走行時に電磁
石を非励磁状態にして永久磁石と支持ばねとにより放電
用レバーを持ち上げ、搬送車の停止時に電磁石を励磁し
て放電用レバーを走行面に接触させるようにしたので、
搬送車の走行中に放電用レバーが走行面と接触すること
がなく、放電用レバーの摩耗と塵埃の発生を防止できる
。As explained above, in this invention, when the transport vehicle is running, the electromagnet is de-energized and the discharging lever is lifted by a permanent magnet and a support spring, and when the transport vehicle is stopped, the electromagnet is energized and the discharging lever is placed on the running surface. I made it contact, so
The discharging lever does not come into contact with the running surface while the transport vehicle is running, which prevents the discharging lever from being worn out and generating dust.
また、搬送車の停止時にのみ電磁石が励磁しているので
、消費電力が少なくて済み、しかも、停止時に放電を行
うから、フレーム本体に静電気が帯電しなくなり、制御
機器の故障や誤動作の発生を確実に防止できる。In addition, since the electromagnet is energized only when the conveyance vehicle is stopped, power consumption is low.Furthermore, since the electromagnet is discharged when the vehicle is stopped, the frame body is not charged with static electricity, which prevents control equipment failures and malfunctions. It can definitely be prevented.
第１図はこの発明の搬送車の帯電防止装置の一実施例の
構成を示す走行時の断面図、第２図は同上搬送車の帯電
防止装置における電磁石の制御装置の回路図、第３図は
同上搬送車の帯電防止装置の停止時の断面図、第４図は
従来の搬送車の帯電防止装置の構成を示す断面図である
。
１・・・搬送車、２・・・本体フレーム、３・・・走行
車輪、４・・・走行面、５・・・制御機器、７・・・放
電用レバー支持フレーム、８・・・放電用レバー、９・
・・永久磁石、１０・・・支持ばね、１１・・・電磁石
、１２・・・制御回路、１３・・・電磁開閉器、１４・
・・走行駆動回路、１５・・・電磁制御回路。
なお、図中同一符号は同一または相当部分を示す。FIG. 1 is a sectional view showing the configuration of an embodiment of the antistatic device for a guided vehicle according to the present invention during running, FIG. 2 is a circuit diagram of an electromagnet control device in the antistatic device for the guided vehicle, and FIG. 3 FIG. 4 is a cross-sectional view of the antistatic device for the transport vehicle when it is stopped, and FIG. 4 is a cross-sectional view showing the structure of the conventional antistatic device for the transport vehicle. DESCRIPTION OF SYMBOLS 1... Transport vehicle, 2... Main body frame, 3... Running wheels, 4... Running surface, 5... Control equipment, 7... Lever support frame for discharge, 8... Discharge lever, 9.
...Permanent magnet, 10... Support spring, 11... Electromagnet, 12... Control circuit, 13... Electromagnetic switch, 14...
... Travel drive circuit, 15... Electromagnetic control circuit. Note that the same reference numerals in the figures indicate the same or corresponding parts.
Claims (1)
放電用レバーと、この放電用レバーを常時上記本体フレ
ーム側に持ち上げる作用を行う支持ばねと、上記放電用
レバーの他端部に装着された永久磁石と、この永久磁石
と対向して本体フレームに装着された電磁石と、上記搬
送車の走行時に上記電磁石を消磁させかつ上記搬送車の
停止時に上記放電用レバーが走行面に接触するように上
記永久磁石と電磁石が反撥し合うように電磁石を励磁す
る制御手段とを備えてなる搬送車の帯電防止装置。A discharging lever whose one end is rotatably attached to the main body frame of the transport vehicle, a support spring that constantly lifts the discharging lever toward the main body frame, and a discharging lever at the other end of the discharging lever. an attached permanent magnet, an electromagnet attached to the main body frame facing the permanent magnet, and a discharging lever that demagnetizes the electromagnet when the conveyance vehicle is traveling and contacts the traveling surface when the conveyance vehicle is stopped. An antistatic device for a transport vehicle, comprising a control means for exciting an electromagnet so that the permanent magnet and the electromagnet repel each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27445385A JPS62134350A (en) | 1985-12-06 | 1985-12-06 | Antistatic device for conveying vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27445385A JPS62134350A (en) | 1985-12-06 | 1985-12-06 | Antistatic device for conveying vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62134350A true JPS62134350A (en) | 1987-06-17 |
Family
ID=17541901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27445385A Pending JPS62134350A (en) | 1985-12-06 | 1985-12-06 | Antistatic device for conveying vehicle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62134350A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007074998A (en) * | 2005-09-14 | 2007-03-29 | Yanmar Co Ltd | Combine harvester |
| US7583490B2 (en) * | 2006-10-26 | 2009-09-01 | Verizon Services Organization Inc. | Static electricity dissipation device for vehicles |
| CN104394640B (en) * | 2014-11-26 | 2016-07-27 | 钟志强 | The static eliminator that can waft |
-
1985
- 1985-12-06 JP JP27445385A patent/JPS62134350A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007074998A (en) * | 2005-09-14 | 2007-03-29 | Yanmar Co Ltd | Combine harvester |
| US7583490B2 (en) * | 2006-10-26 | 2009-09-01 | Verizon Services Organization Inc. | Static electricity dissipation device for vehicles |
| CN104394640B (en) * | 2014-11-26 | 2016-07-27 | 钟志强 | The static eliminator that can waft |
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