JPH0299271U

JPH0299271U -

Info

Publication number: JPH0299271U
Application number: JP756689U
Authority: JP
Priority date: 1989-01-27
Filing date: 1989-01-27
Publication date: 1990-08-07

Description

[Brief explanation of the drawing]

図面はこの考案の実施例に関し、第１図及び第
２図はピストンポンプの垂直断面図及び上方から
見た一部断面図、第３図は第２図のの範囲の詳
細図、第４図はクロスヘツドの範囲の拡大斜視図
である。１０……ピストンポンプ（往復ポンプ）、１５
……クランクケース、１８……ガイド、２０……
クロスヘツド、２２……ピストン棒（往復部材）
、６４，６６……Ｏリング（シール部材）、６８
，７０……環状溝（溝、環状部分）、７２……縦
溝（溝、縦部分）、７８……入口、８０……出口
、８２，８６……潤滑油、８８……オイルポンプ
、９６……潤滑油循環経路。 The drawings relate to an embodiment of the invention; FIGS. 1 and 2 are vertical sectional views and partial sectional views of the piston pump as seen from above; FIG. 3 is a detailed view of the area shown in FIG. 2; and FIG. is an enlarged perspective view of the area of the crosshead. 10... Piston pump (reciprocating pump), 15
...Crankcase, 18...Guide, 20...
Crosshead, 22... Piston rod (reciprocating member)
, 64, 66...O ring (sealing member), 68
, 70... Annular groove (groove, annular part), 72... Vertical groove (groove, vertical part), 78... Inlet, 80... Outlet, 82, 86... Lubricating oil, 88... Oil pump, 96 ...Lubricating oil circulation path.

Claims

[Claims for Utility Model Registration] (1) In a reciprocating pump 10 in which a crosshead 20 is guided in the reciprocating direction by a guide 18 in a crankcase 15, grooves 68, 70, and 72 are formed on the outer periphery of the crosshead 20. , a lubricating oil 8 different from the lubricating oil 82 in the crankcase 15.
6 to the grooves 68, 70,
A lubricating oil circulation path 96 is provided to supply the lubricating oil to 72.
Seal members 64 and 66 are connected to the crosshead 20.
lubricating oil 82 in the crankcase 15 and the grooves 68, 7.
A lubricating device for a crosshead for a reciprocating pump, characterized in that lubricating oil 86 in 0 and 72 is separated from each other. (2) The grooves 68, 70, 72 are arranged in the seal member 6 in the reciprocating direction of the crosshead 20.
annular portions 68 and 70 that are formed inside the crossheads 4 and 66 and extend in the circumferential direction of the crosshead 20;
and a vertical portion 72 extending in the direction of reciprocating movement of the crosshead 20 and communicating with the annular portions 68, 70.
2. An inlet 78 and an outlet 80 for introducing lubricating oil 86 into and out of the vertical portion 72 are formed on the inner peripheral side of the guide 18. Crosshead lubrication device for reciprocating pumps.