JPS62153300U

JPS62153300U -

Info

Publication number: JPS62153300U
Application number: JP3959586U
Authority: JP
Priority date: 1986-03-18
Filing date: 1986-03-18
Publication date: 1987-09-29

Description

[Brief explanation of the drawing]

第１図は本考案を具体化した第一実施例の要部
断面図、第２図は同じく第一実施例の全体を示す
正面図、第３図は同じく第一実施例の要部正面図
、第４図は第二実施例の要部断面図、第５図は第
三実施例の要部断面図、第６図は従来例の要部断
面図である。６……ブーム、８……支持機構、９……作業台
、１０，６０……過荷重検出装置、１３……旋回
機構。 Fig. 1 is a sectional view of the main part of the first embodiment embodying the present invention, Fig. 2 is a front view showing the whole of the first embodiment, and Fig. 3 is a front view of the main part of the first embodiment. , FIG. 4 is a sectional view of the main part of the second embodiment, FIG. 5 is a sectional view of the main part of the third embodiment, and FIG. 6 is a sectional view of the main part of the conventional example. 6...Boom, 8...Support mechanism, 9...Work table, 10, 60...Overload detection device, 13...Swivel mechanism.

Claims

[Scope of claim for utility model registration] 1. A support mechanism for the workbench is attached to the tip of the boom,
The support mechanism is provided with a turning mechanism for horizontally rotating the workbench, and an overload detection device for detecting an overload applied to the workbench is provided at a connection portion between the turning mechanism and the support mechanism. Overload prevention device for aerial work vehicles. 2. The rotating mechanism is formed by a movable member connected to the workbench being externally fitted to a rotary pin provided in the support mechanism so as to be rotatable and vertically movable. Overload prevention device for aerial work vehicles described in . 3. A space is formed between the lower end surface of the movable member and the upper surface of the rotary pin holder that supports the rotary pin, and the space is filled with oil that is pressed by the movable member. An overload prevention device for an aerial work vehicle as set forth in claim 2 of the utility model registration claim, which is provided with an overload detection device that detects overload based on changes in oil pressure. 4. The overload prevention device for an aerial work vehicle according to claim 2, wherein the overload detection device is a load cell attached to the lower end of the movable member. 5. The turning mechanism has a rotary pin attached to the support mechanism so as to be rotatable and movable up and down, and the overload detection device is a load cell attached to the lower end of the rotary pin.Request for Utility Model Registration. An overload prevention device for an aerial work vehicle according to item 1.