JPH01132700U - - Google Patents
Info
- Publication number
- JPH01132700U JPH01132700U JP2893488U JP2893488U JPH01132700U JP H01132700 U JPH01132700 U JP H01132700U JP 2893488 U JP2893488 U JP 2893488U JP 2893488 U JP2893488 U JP 2893488U JP H01132700 U JPH01132700 U JP H01132700U
- Authority
- JP
- Japan
- Prior art keywords
- boom
- sub
- lifting device
- detecting bodies
- hoisting machine
- 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
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Forklifts And Lifting Vehicles (AREA)
Description
第１図は高所作業車を示す側面図、第２図は吊
上装置を示す側面図、第３図はリミツトスイツチ
及び作動体を示す部分拡大の斜視図、第４図は高
所作業車の作動規制装置の制御系を示すブロツク
図、第５図は作業台の作業範囲を示す説明図、第
６図は別実施例の弾性体を備えた吊上装置を示す
側面図である。
３……伸縮ブーム、５……作業台、６……吊上
装置、２０……ウインチ（巻上機）、２２……ス
プリング、２２ａ……強スプリング、２２ｂ……
弱スプリング、３０……サブブーム、４０……作
動体、ＬＳ１，ＬＳ２……リミツトスイツチ（検
出体）。
Fig. 1 is a side view showing the aerial work vehicle, Fig. 2 is a side view showing the lifting device, Fig. 3 is a partially enlarged perspective view showing the limit switch and actuating body, and Fig. 4 is a side view of the aerial work vehicle. FIG. 5 is a block diagram showing the control system of the operation regulating device, FIG. 5 is an explanatory diagram showing the working range of the workbench, and FIG. 6 is a side view showing a lifting device equipped with an elastic body according to another embodiment. 3... Telescopic boom, 5... Workbench, 6... Lifting device, 20... Winch (hoisting machine), 22... Spring, 22a... Strong spring, 22b...
Weak spring, 30...Sub boom, 40...Operating body, LS1, LS2...Limit switch (detection body).
Claims (1)
業車において、 前記吊上装置は、作業台に旋回自在に設けられ
たサブブームと、該サブブームに一端部が枢支さ
れて上下方向に揺動自在に設けられた巻上機とを
備え、上記巻上機の他端部と支持部材間には弾性
力の異なる複数個の弾性力が配置されて該巻上機
の他端部を弾性支持し、一方、これらサブブーム
と巻上機とのどちらか一方に複数個の検出体を設
けるとともに、他方にこれら検出体を作動させる
作動体を設け、吊上装置の吊上重量に応じて複数
個の弾性力が順次変形して作動体が複数個の検出
体をそれぞれ作動させ、これら検出体の作動状況
に基づき作業台の作業範囲を規制することを特徴
とする高所作業車の作動規制装置。[Scope of Claim for Utility Model Registration] In an aerial work vehicle equipped with a work platform and a lifting device at the tip of the boom, the lifting device includes a sub-boom that is rotatably provided on the work platform, and one end of which is attached to the sub-boom. a hoisting machine that is pivotally supported and swingable in the vertical direction, and a plurality of elastic forces having different elastic forces are arranged between the other end of the hoisting machine and the support member to The other end of the upper machine is elastically supported, and one of the sub-booms and the hoisting machine is provided with a plurality of detecting bodies, and the other is provided with an operating body that operates these detecting bodies, and the lifting device The plurality of elastic forces are sequentially deformed in accordance with the lifting weight of the actuating body to actuate the plurality of detecting bodies, and the working range of the workbench is regulated based on the operating status of these detecting bodies. Operation regulation device for aerial work vehicles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2893488U JPH0626545Y2 (en) | 1988-03-03 | 1988-03-03 | Operation control device for aerial work vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2893488U JPH0626545Y2 (en) | 1988-03-03 | 1988-03-03 | Operation control device for aerial work vehicles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01132700U true JPH01132700U (en) | 1989-09-08 |
| JPH0626545Y2 JPH0626545Y2 (en) | 1994-07-20 |
Family
ID=31252705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2893488U Expired - Lifetime JPH0626545Y2 (en) | 1988-03-03 | 1988-03-03 | Operation control device for aerial work vehicles |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0626545Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101884810B1 (en) * | 2016-05-02 | 2018-08-02 | 삼성중공업 주식회사 | Length adjustable temporary construction |
-
1988
- 1988-03-03 JP JP2893488U patent/JPH0626545Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0626545Y2 (en) | 1994-07-20 |
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