JPS60193399U - Lifting stop device for forklift - Google Patents
Lifting stop device for forkliftInfo
- Publication number
- JPS60193399U JPS60193399U JP7955984U JP7955984U JPS60193399U JP S60193399 U JPS60193399 U JP S60193399U JP 7955984 U JP7955984 U JP 7955984U JP 7955984 U JP7955984 U JP 7955984U JP S60193399 U JPS60193399 U JP S60193399U
- Authority
- JP
- Japan
- Prior art keywords
- lifting height
- speed
- lifting
- electric motor
- forklift
- 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
- Forklifts And Lifting Vehicles (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の実施例を示す全体説明図、第２図は揚
高速度を示す表図、第３図は異なる荷重の荷物の場合の
揚高速度と揚高位置の関係を示す表図、第４図、第５図
、第６図はそれぞれ異なる従来例の説明図である。
１は荷台、２は油圧シリンダ、２ａは可動部、３は油圧
ポンプ、４は操作弁、７は電動モータ、８は電源回路、
９はチョッパ回路、１１はエンコーダ、１３は速度検出
部、１４は揚高位置検出部。
第２図
第４図Fig. 1 is an overall explanatory diagram showing an embodiment of the present invention, Fig. 2 is a table showing the lifting height speed, and Fig. 3 is a table showing the relationship between the lifting height speed and the lifting height position for loads with different loads. 4, 5, and 6 are explanatory diagrams of different conventional examples. 1 is a loading platform, 2 is a hydraulic cylinder, 2a is a movable part, 3 is a hydraulic pump, 4 is an operating valve, 7 is an electric motor, 8 is a power supply circuit,
9 is a chopper circuit, 11 is an encoder, 13 is a speed detection section, and 14 is a lift position detection section. Figure 2 Figure 4
Claims (1)
作弁４を経て油圧シリンダ２に供給し、その可動部２ａ
に荷台１を連結したフォークリフトにおいて、前記電動
モータ７の電気回路８にはチョッパ回路９を設けると共
に、前記可動部２ａにはエンコーダ１１を連結し、この
エンコーダ１１の発生パルスによって揚高速度と揚高位
置とを演算する速度検出部１３と揚高位置検出部１４と
を設け、この揚高速度と揚高位置とによって前記チョッ
パ回路９の通流率を制御して所定の停止位置より手前の
位置より電動モータ７の回転数を順次減速して所定の揚
高速度とし、かつ所定位置となったら電動モータ７を停
止するようにしたことを特徴とするフォークリフトの揚
高停止装置。The discharge pressure oil of the hydraulic pump 3 driven by the electric motor 7 is supplied to the hydraulic cylinder 2 via the operating valve 4, and the movable part 2a
In the forklift truck, the electric circuit 8 of the electric motor 7 is provided with a chopper circuit 9, and the movable part 2a is connected with an encoder 11, and the pulses generated by the encoder 11 are used to determine the lifting height and lifting speed. A speed detecting section 13 and a lifting height position detecting section 14 are provided, which calculate the lifting height speed and the lifting height position, and the conductivity of the chopper circuit 9 is controlled based on the lifting height speed and the lifting height position. A lifting height stopping device for a forklift, characterized in that the rotational speed of an electric motor 7 is sequentially decelerated depending on the position to reach a predetermined lifting speed, and the electric motor 7 is stopped when a predetermined position is reached.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7955984U JPS60193399U (en) | 1984-05-31 | 1984-05-31 | Lifting stop device for forklift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7955984U JPS60193399U (en) | 1984-05-31 | 1984-05-31 | Lifting stop device for forklift |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60193399U true JPS60193399U (en) | 1985-12-23 |
Family
ID=30624588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7955984U Pending JPS60193399U (en) | 1984-05-31 | 1984-05-31 | Lifting stop device for forklift |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60193399U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5733199A (en) * | 1980-07-31 | 1982-02-23 | Meidensha Electric Mfg Co Ltd | Unloading reduction gear for forklift |
-
1984
- 1984-05-31 JP JP7955984U patent/JPS60193399U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5733199A (en) * | 1980-07-31 | 1982-02-23 | Meidensha Electric Mfg Co Ltd | Unloading reduction gear for forklift |
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