JPH0195470U - - Google Patents
Info
- Publication number
- JPH0195470U JPH0195470U JP19134387U JP19134387U JPH0195470U JP H0195470 U JPH0195470 U JP H0195470U JP 19134387 U JP19134387 U JP 19134387U JP 19134387 U JP19134387 U JP 19134387U JP H0195470 U JPH0195470 U JP H0195470U
- Authority
- JP
- Japan
- Prior art keywords
- cutoff rod
- electric motor
- braking
- lowering speed
- detection means
- 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
Landscapes
- Train Traffic Observation, Control, And Security (AREA)
Description
第１図は本考案の一実施例の回路構成図、第２
図及び第３図は同上実施例の動作を説明するため
の主要部の出力波形タイムチヤートで、第２図は
下降速度が速い場合、第３図は下降速度が遅い場
合、第４図Ａ，Ｂはブレーキ出力の負荷に応じた
出力状態を示す図である。
１…減速歯車、２…速度センサ、１２…分周回
路、１３，１４…ワンシヨツトマルチバイブレー
タ、１５…ＡＮＤ回路、１６…分周回路、１７…
帯域フイルタ、１８…レベル検知回路、２０…ト
ランス、２１…整流回路、３１…電磁ブレーキ、
Ｃ１，Ｃ２…コンデンサ。
Figure 1 is a circuit configuration diagram of an embodiment of the present invention;
3 and 3 are output waveform time charts of the main parts for explaining the operation of the above embodiment. FIG. 2 shows a case where the descending speed is fast, FIG. 3 shows a case where the descending speed is slow, and FIG. 4 shows A, B is a diagram showing the output state of the brake output according to the load. DESCRIPTION OF SYMBOLS 1... Reduction gear, 2... Speed sensor, 12... Frequency dividing circuit, 13, 14... One-shot multivibrator, 15... AND circuit, 16... Frequency dividing circuit, 17...
Band filter, 18... Level detection circuit, 20... Transformer, 21... Rectifier circuit, 31... Electromagnetic brake,
C 1 , C 2 ... capacitor.
Claims (1)
において、遮断桿の下降速度を検出する検出手段
と、前記電動機に制動力を作用させる制動手段と
、前記検出手段の検出した下降速度が所定値以上
のとき前記制動手段の駆動出力を発生する制御手
段とを備え、遮断桿下降時間を一定に制御する踏
切遮断機の遮断桿速度制御装置。 A level crossing barrier in which a cutoff rod is driven up and down by an electric motor includes a detection means for detecting a lowering speed of the cutoff rod, a braking means for applying a braking force to the electric motor, and a lowering speed detected by the detection means is equal to or higher than a predetermined value. and a control means for generating a driving output of the braking means when the brake means is turned on, and controlling the lowering time of the cutoff rod to a constant value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19134387U JPH061897Y2 (en) | 1987-12-18 | 1987-12-18 | Breaking rod speed control device for railroad crossing gate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19134387U JPH061897Y2 (en) | 1987-12-18 | 1987-12-18 | Breaking rod speed control device for railroad crossing gate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0195470U true JPH0195470U (en) | 1989-06-23 |
| JPH061897Y2 JPH061897Y2 (en) | 1994-01-19 |
Family
ID=31482262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19134387U Expired - Lifetime JPH061897Y2 (en) | 1987-12-18 | 1987-12-18 | Breaking rod speed control device for railroad crossing gate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH061897Y2 (en) |
-
1987
- 1987-12-18 JP JP19134387U patent/JPH061897Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH061897Y2 (en) | 1994-01-19 |
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