JPS6165081U - - Google Patents

Info

Publication number
JPS6165081U
JPS6165081U JP15232585U JP15232585U JPS6165081U JP S6165081 U JPS6165081 U JP S6165081U JP 15232585 U JP15232585 U JP 15232585U JP 15232585 U JP15232585 U JP 15232585U JP S6165081 U JPS6165081 U JP S6165081U
Authority
JP
Japan
Prior art keywords
piston
cylinder
sub
main
spring
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
Application number
JP15232585U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP15232585U priority Critical patent/JPS6165081U/ja
Publication of JPS6165081U publication Critical patent/JPS6165081U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Actuator (AREA)
  • Fluid-Pressure Circuits (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本考案の実施例の縦断面図、第2図は
本考案の装置を具えた物上げ機械の一例を示す略
図、第3図および第4図は本考案の装置によつて
制御される流体回路の異なる例を示す回路図であ
る。 1……過負荷検出装置、2……流体圧原動機、
4……荷重支持索、8……根止め部、10……取
付部、12……検知シリンダ、13……スピンド
ル、16……ピストン、20……ばね、22……
リミツトバルブ、24……主シリンダ、25……
主ピストン、27……連通路、28……副シリン
ダ、29……副ピストン。
Figure 1 is a longitudinal sectional view of an embodiment of the present invention, Figure 2 is a schematic diagram showing an example of a lifting machine equipped with the device of the present invention, and Figures 3 and 4 are controlled by the device of the present invention. FIG. 3 is a circuit diagram showing different examples of fluid circuits. 1... Overload detection device, 2... Fluid pressure prime mover,
4...Load supporting cable, 8... Root stop, 10... Mounting part, 12... Detection cylinder, 13... Spindle, 16... Piston, 20... Spring, 22...
Limit valve, 24...Main cylinder, 25...
Main piston, 27...Communication passage, 28...Sub-cylinder, 29...Sub-piston.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 流体圧原動機を用いた物上げ機械において、荷
重支持索4の根止め部8を支持した取付部10を
結合した主ピストン25が内蔵されている主シリ
ンダ24と、副ピストン29が内蔵され前記主シ
リンダ24よりも小径の副シリンダ28と、前記
二つのシリンダ24,28を連通した連通路27
と、一体のスピンドル13およびピストン16と
荷重の設定値に対応する予圧が与えられたばね2
0とが内蔵された検知シリンダ12と、流体回路
の開閉、切換え等を行なうリミツトバルブ22と
を具え、前記主シリンダ24と副シリンダ28と
には作動液体が充満されており、前記ばね20は
前記ピストン16を前記副ピストン29に常に接
触させるように働くとともに前記スピンドル13
が前記リミツトバルブ22を動作するように構成
されている過負荷検出装置。
In a lifting machine using a fluid pressure engine, a main cylinder 24 has a built-in main piston 25 connected to a mounting part 10 that supports a root stop part 8 of a load-supporting cable 4, and a sub-piston 29 has a built-in main cylinder 24. A sub-cylinder 28 having a smaller diameter than the cylinder 24 and a communication passage 27 that communicates the two cylinders 24 and 28.
, an integrated spindle 13 and piston 16, and a spring 2 that is given a preload corresponding to the set value of the load.
0 and a limit valve 22 for opening, closing, switching, etc. the fluid circuit, the main cylinder 24 and the sub cylinder 28 are filled with working fluid, and the spring 20 is The spindle 13 acts to keep the piston 16 in constant contact with the sub-piston 29, and
an overload detection device configured to operate the limit valve 22;
JP15232585U 1985-10-04 1985-10-04 Pending JPS6165081U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15232585U JPS6165081U (en) 1985-10-04 1985-10-04

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15232585U JPS6165081U (en) 1985-10-04 1985-10-04

Publications (1)

Publication Number Publication Date
JPS6165081U true JPS6165081U (en) 1986-05-02

Family

ID=30710395

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15232585U Pending JPS6165081U (en) 1985-10-04 1985-10-04

Country Status (1)

Country Link
JP (1) JPS6165081U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5132865B1 (en) * 1971-04-23 1976-09-16

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5132865B1 (en) * 1971-04-23 1976-09-16

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