JPS5892478U - Hydraulic piston pump motor - Google Patents

Hydraulic piston pump motor

Info

Publication number
JPS5892478U
JPS5892478U JP18785281U JP18785281U JPS5892478U JP S5892478 U JPS5892478 U JP S5892478U JP 18785281 U JP18785281 U JP 18785281U JP 18785281 U JP18785281 U JP 18785281U JP S5892478 U JPS5892478 U JP S5892478U
Authority
JP
Japan
Prior art keywords
cylinder barrel
piston pump
hydraulic piston
pump motor
bearing
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
JP18785281U
Other languages
Japanese (ja)
Inventor
布谷　貞夫
Original Assignee
株式会社小松製作所
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 by 株式会社小松製作所 filed Critical 株式会社小松製作所
Priority to JP18785281U priority Critical patent/JPS5892478U/en
Publication of JPS5892478U publication Critical patent/JPS5892478U/en
Pending legal-status Critical Current

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Landscapes

  • Reciprocating Pumps (AREA)
  • Hydraulic Motors (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は従来の油圧ピストンポンプ会モータの・　　縦
断面図、第２図は本考案−実施例の縦断面図、第３図は
同説明図、第４図はシリンダバレル組立　　　・″　　
の説明図、第５図はシリンダバレルのボス穴間の：　　
応力分布の説明図である。 １はシリンダバレル、２はシリンダバレル本体、３は筒
状体、９はバルブプレート。Fig. 1 is a vertical cross-sectional view of a conventional hydraulic piston pump motor, Fig. 2 is a longitudinal cross-sectional view of an embodiment of the present invention, Fig. 3 is an explanatory view of the same, and Fig. 4 is a cylinder barrel assembly.
An explanatory diagram, Figure 5 is between the boss holes of the cylinder barrel:
FIG. 3 is an explanatory diagram of stress distribution. 1 is a cylinder barrel, 2 is a cylinder barrel body, 3 is a cylindrical body, and 9 is a valve plate.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] シリンダバレル１を銅合金系材料より成るシリンダバレ
ル本体２とのシリンダバレル本体２の外周部に設けた焼
入れ鋼材より成る筒状体３とより構成し、この筒状体３
をベアリング転動輪として用いてシリンダバレル１を軸
受でハウジングに支持し、シリンダバレル１を直接にバ
ルブプレートに摺接したことを特徴とする油圧ピストン
ポンプ・モータ。The cylinder barrel 1 is composed of a cylinder barrel body 2 made of a copper alloy material and a cylindrical body 3 made of hardened steel provided on the outer periphery of the cylinder barrel body 2.
A hydraulic piston pump/motor characterized in that a cylinder barrel 1 is supported in a housing by a bearing using a bearing as a rolling wheel, and the cylinder barrel 1 is directly in sliding contact with a valve plate.
JP18785281U 1981-12-18 1981-12-18 Hydraulic piston pump motor Pending JPS5892478U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18785281U JPS5892478U (en) 1981-12-18 1981-12-18 Hydraulic piston pump motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18785281U JPS5892478U (en) 1981-12-18 1981-12-18 Hydraulic piston pump motor

Publications (1)

Publication Number Publication Date
JPS5892478U true JPS5892478U (en) 1983-06-22

Family

ID=29991005

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18785281U Pending JPS5892478U (en) 1981-12-18 1981-12-18 Hydraulic piston pump motor

Country Status (1)

Country Link
JP (1) JPS5892478U (en)

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