JPH03119000U - - Google Patents
Info
- Publication number
- JPH03119000U JPH03119000U JP2842590U JP2842590U JPH03119000U JP H03119000 U JPH03119000 U JP H03119000U JP 2842590 U JP2842590 U JP 2842590U JP 2842590 U JP2842590 U JP 2842590U JP H03119000 U JPH03119000 U JP H03119000U
- Authority
- JP
- Japan
- Prior art keywords
- boom
- cylinder
- leveling
- leveling cylinder
- workbench
- 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
- 238000001514 detection method Methods 0.000 claims description 2
- 230000008602 contraction Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Jib Cranes (AREA)
- Forklifts And Lifting Vehicles (AREA)
Description
第1図は本考案に係る負荷検出装置を備えた高
所作業車を示す正面図、第2図はこの高所作業車
における起伏シリンダおよび下レベリングシリン
ダとブーム3との連結部を示す斜視図、第3図は
この連結部に作用する力を示すベクトル図、第4
図は従来の高所作業車を示す正面図である。
1……車体、3……伸縮ブーム、4,14……
起伏ブーム、5……作業台、6,7,17……レ
ベリングシリンダ、11……ピン、13……ブラ
ケツト。
FIG. 1 is a front view showing an aerial work vehicle equipped with a load detection device according to the present invention, and FIG. 2 is a perspective view showing the connection portion between the luffing cylinder and lower leveling cylinder and boom 3 in this aerial work vehicle. , Figure 3 is a vector diagram showing the force acting on this connection, and Figure 4 is a vector diagram showing the force acting on this connection.
The figure is a front view showing a conventional aerial work vehicle. 1... Vehicle body, 3... Telescopic boom, 4, 14...
Lifting boom, 5... workbench, 6, 7, 17... leveling cylinder, 11... pin, 13... bracket.
Claims (1)
ブームと、 このブームと前記車体との間に配設され前記ブ
ームを起伏させる起伏シリンダと、 前記ブームの先端に少なくとも上下に揺動自在
に取り付けられた作業台と、 この作業台と前記ブームとの間に配設された上
レベリングシリンダ、前記ブームと前記車体との
間に配設された下レベリングシリンダおよびこれ
ら両レベリングシリンダの油室を接続する油路を
有し、前記起伏ブームの起伏による前記下レベリ
ングシリンダの伸縮に応じて前記上レベリングシ
リンダを伸縮させて前記作業台を常に水平に保持
させるレベリング装置とを 備えてなるブーム作業車において、前記ブームに
作用する負荷を検出する装置であつて、 前記起伏シリンダの前記ブームへの枢着点およ
び前記下レベリングシリンダの前記ブームへの枢
着点を同一位置に配するとともにこの位置におい
て1本のピン部材により前記起伏シリンダおよび
前記下レベリングシリンダと前記ブームとを連結
し、このピン部材に負荷検出器を設けたことを特
徴とするブーム作業車の負荷検出装置。[Scope of Claim for Utility Model Registration] A boom mounted on a vehicle body so as to be able to raise and lower at least; a lifting cylinder disposed between the boom and the vehicle body for raising and lowering the boom; A swingably mounted workbench, an upper leveling cylinder disposed between the workbench and the boom, a lower leveling cylinder disposed between the boom and the vehicle body, and both of these leveling cylinders. and a leveling device that expands and contracts the upper leveling cylinder in response to the expansion and contraction of the lower leveling cylinder due to the ups and downs of the hoisting boom, and keeps the workbench horizontal at all times. A device for detecting a load acting on the boom in a boom working vehicle, wherein a pivot point of the hoisting cylinder to the boom and a pivot point of the lower leveling cylinder to the boom are arranged at the same position. A load detection device for a boom working vehicle, characterized in that the boom is connected to the hoisting cylinder and the lower leveling cylinder at this position by a single pin member, and a load detector is provided on the pin member.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2842590U JPH0721508Y2 (en) | 1990-03-20 | 1990-03-20 | Boom work vehicle load detection device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2842590U JPH0721508Y2 (en) | 1990-03-20 | 1990-03-20 | Boom work vehicle load detection device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH03119000U true JPH03119000U (en) | 1991-12-09 |
JPH0721508Y2 JPH0721508Y2 (en) | 1995-05-17 |
Family
ID=31531229
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2842590U Expired - Lifetime JPH0721508Y2 (en) | 1990-03-20 | 1990-03-20 | Boom work vehicle load detection device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0721508Y2 (en) |
-
1990
- 1990-03-20 JP JP2842590U patent/JPH0721508Y2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0721508Y2 (en) | 1995-05-17 |