JPH0441560U - - Google Patents
Info
- Publication number
- JPH0441560U JPH0441560U JP8133890U JP8133890U JPH0441560U JP H0441560 U JPH0441560 U JP H0441560U JP 8133890 U JP8133890 U JP 8133890U JP 8133890 U JP8133890 U JP 8133890U JP H0441560 U JPH0441560 U JP H0441560U
- Authority
- JP
- Japan
- Prior art keywords
- machine
- lever
- undercarriage body
- construction
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Component Parts Of Construction Machinery (AREA)
Description
第１図ないし第４図は本考案の第１の実施例を
示し、第１図は油圧シヨベルの斜視図、第２図は
カウンタウエイトに設けた警告装置を拡大して示
す縦断面図、第３図は警告装置の電気回路図、第
４図は走行用油圧回路図、第５図は第１の実施例
の変形例を示す警告装置の電気回路図、第６図お
よび第７図は本考案の第２の実施例を示し、第６
図は走行用操作レバーにレバースイツチを設けた
状態を示す油圧回路図、第７図は警告装置の電気
回路図、第８図は従来技術を示す油圧シヨベルの
斜視図である。
１……下部走行体、２……上部旋回体、３……
機械室、４……運転室、１１……カウンタウエイ
ト、１２……警告装置（警告手段）、２３Ａ，２
３Ｂ……走行用操作レバー、３１Ａ，３１Ｂ……
圧力スイツチ（レバー操作検出手段）、４１，４
２，４３，４４……レバースイツチ（レバー操作
検出手段）。
1 to 4 show a first embodiment of the present invention, in which FIG. 1 is a perspective view of a hydraulic excavator, FIG. 2 is an enlarged vertical sectional view showing a warning device installed on a counterweight, and FIG. 3 is an electric circuit diagram of the warning device, FIG. 4 is a hydraulic circuit diagram for traveling, FIG. 5 is an electric circuit diagram of the warning device showing a modification of the first embodiment, and FIGS. 6 and 7 are in accordance with the present invention. Showing the second embodiment of the invention, the sixth
FIG. 7 is a hydraulic circuit diagram showing a state in which a lever switch is provided on the travel operating lever, FIG. 7 is an electric circuit diagram of a warning device, and FIG. 8 is a perspective view of a hydraulic excavator showing the prior art. 1... Lower traveling body, 2... Upper revolving body, 3...
Machine room, 4... Driver's cabin, 11... Counterweight, 12... Warning device (warning means), 23A, 2
3B...Traveling operation lever, 31A, 31B...
Pressure switch (lever operation detection means), 41, 4
2, 43, 44... Lever switch (lever operation detection means).
Claims (1)
載され、機械室、運転室およびカウンタウエイト
が設けられた上部旋回体と、該上部旋回体の運転
室内に設けられ、前記下部走行体を走行させるべ
く、操作される走行用操作レバーとからなる建設
機械において、前記上部旋回体のカウンタウエイ
トの後面側に位置して設けられた警告手段と、前
記走行用操作レバーの操作に基づき、前記下部走
行体の走行時を検出するレバー操作検出手段とを
備え、該レバー操作検出手段からの検出信号に基
づいて下部走行体の走行時に前記警告手段を作動
させる構成としたことを特徴とする建設機械。 an undercarriage body; an upper revolving body which is rotatably mounted on the undercarriage body and is provided with a machine room, a driver's cab, and a counterweight; In the construction machine, the construction machine includes a traveling operation lever that is operated to cause the machine to travel. A construction comprising: a lever operation detection means for detecting when the undercarriage body is running, and the warning means is activated when the undercarriage body is running based on a detection signal from the lever operation detection means. machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8133890U JPH0441560U (en) | 1990-07-31 | 1990-07-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8133890U JPH0441560U (en) | 1990-07-31 | 1990-07-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0441560U true JPH0441560U (en) | 1992-04-08 |
Family
ID=31627195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8133890U Pending JPH0441560U (en) | 1990-07-31 | 1990-07-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0441560U (en) |
-
1990
- 1990-07-31 JP JP8133890U patent/JPH0441560U/ja active Pending
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