JPS59133869A - Mud pump liner - Google Patents
Mud pump linerInfo
- Publication number
- JPS59133869A JPS59133869A JP58006647A JP664783A JPS59133869A JP S59133869 A JPS59133869 A JP S59133869A JP 58006647 A JP58006647 A JP 58006647A JP 664783 A JP664783 A JP 664783A JP S59133869 A JPS59133869 A JP S59133869A
- Authority
- JP
- Japan
- Prior art keywords
- liner
- ceramics
- mud pump
- inner liner
- casting
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J10/00—Engine or like cylinders; Features of hollow, e.g. cylindrical, bodies in general
- F16J10/02—Cylinders designed to receive moving pistons or plungers
- F16J10/04—Running faces; Liners
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
- Laminated Bodies (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は、石油・ガス井や地熱井の掘削作業中に掘削部
にマッドを供給するためのマッドポンプシリンダライナ
に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a mud pump cylinder liner for supplying mud to a drilling site during oil and gas or geothermal well drilling operations.
マッドポンプとしては、ピストン型のものが使用されて
おり、通常、耐摩耗質のライナをもツシリンタト、コム
２イニングヲモつピストン３組と、その駆動部でなりた
っている。The mud pump used is of the piston type, and usually consists of a wear-resistant liner, three sets of pistons, and their driving parts.
シリンダライナは、第１図に示すように、高クロム鋳鉄
などのインナライナ１と、普通鋳鉄などのアウタライナ
２によりなりたち、インナライナ１はアウタライナ２に
焼ばめされている。As shown in FIG. 1, the cylinder liner consists of an inner liner 1 made of high chromium cast iron or the like and an outer liner 2 made of ordinary cast iron or the like, and the inner liner 1 is shrink-fitted to the outer liner 2.
このように従来のマッドポングシリンダにあってもイン
ナライナ１の耐摩耗性を向上するべ（種々工夫されては
きたが、マッド中の粒子による摩耗作用のため数百時間
の短寿命に終っている。In this way, even in conventional mud pong cylinders, various efforts have been made to improve the wear resistance of the inner liner 1, but due to the abrasive action of particles in the mud, the lifespan is only a few hundred hours. .
一方、耐摩耗性向上のひとつの手段としてセラミックの
使用が考えられる。On the other hand, the use of ceramics can be considered as one means of improving wear resistance.
本発明は、この考えを採り入れて、低コストで、マッド
ポンプの要求する機械的要件を満たす構造を提供するこ
とにある。The present invention takes this idea into consideration and provides a structure that satisfies the mechanical requirements of mud pumps at low cost.
すなわち本発明は、セラミック円筒体をインナライナと
し、これを鋳ぐるむことにより、１度にインナ・アウタ
ライナ複合体を形成してなるマッドポンプライナに関す
るものである。That is, the present invention relates to a mud pump liner in which a ceramic cylindrical body is used as an inner liner and is cast to form an inner/outer liner composite at one time.
本発明ライナの一実施態様例を第２図に示す。An embodiment of the liner of the present invention is shown in FIG.
第２図において、０１はセラミック製インナライナで、
セラミック素材としては窒化けい素、炭化けい素、その
他などが使用される。０２は鋳物製アウタライナで、素
材としては鋳鉄、アルミニウム合金鋳物などが使用され
る。In Figure 2, 01 is a ceramic inner liner,
Silicon nitride, silicon carbide, and others are used as the ceramic material. 02 is a cast outer liner, and the material used is cast iron, aluminum alloy casting, etc.
第３図は第２図に示す本発明ライナの製作例を示す図で
ある。FIG. 3 is a diagram showing an example of manufacturing the liner of the present invention shown in FIG. 2.
第６図に３いて、０６は中子、０４は下型、０５は上型
、０６は溶湯供給口で、セラミック円筒体０１は中子０
３にかぶせである。この状態のものに、溶湯供給口０６
より溶湯を供給し、冷却し、上下型０４．０５：Ｎよび
中子０３を除去することにより、セラミック円筒体０１
をインナライナとしてもつ複合体が形成される。このの
ち、インナライナ０１の内径を研削すれば、本発明ライ
ナ刀”完成される。3 in Fig. 6, 06 is the core, 04 is the lower mold, 05 is the upper mold, 06 is the molten metal supply port, and the ceramic cylindrical body 01 is the core 0.
This is a cover for 3. In this state, the molten metal supply port 06
By supplying molten metal, cooling it, and removing the upper and lower molds 04.05:N and the core 03, a ceramic cylindrical body 01 is formed.
A composite body is formed having as an inner liner. Thereafter, by grinding the inner diameter of the inner liner 01, the liner sword of the present invention is completed.
以上の本発明ライナによれば、インナライナがアウタラ
イナで鋳ぐるまれているため、インナライナには強い圧
縮応力をもたせることができる。そしてインナライナの
厚さとアウタライナの厚さを適当に選定することにより
、ポンプ吐出圧が内圧としてかかつてもインナライナが
引張応力状態にならないようにすることができ、このこ
とはセラミックを強度部材として使用するために重要な
ことである。According to the above liner of the present invention, since the inner liner is cast in the outer liner, the inner liner can be given a strong compressive stress. By appropriately selecting the inner liner thickness and outer liner thickness, it is possible to prevent the inner liner from becoming under tensile stress even if the pump discharge pressure is an internal pressure. This is important for
更に本発明ライナでは、圧縮応力状態を得るために通常
用いられる焼ばめライナに比べて次のようなメリットを
有する。すなわち、焼ばめするためには、はめあい面は
高い精度で加工されなければならず、これはセラミック
のような硬くて加工しに（い素材の場合大きなデメリッ
トである。これに対し、本発明ライナでははめあい面は
なんら加工する必要がなく、加工の上からも大きなメリ
ットを有するものである。Furthermore, the liner of the present invention has the following advantages over shrink-fit liners commonly used to obtain a compressive stress state. In other words, in order to shrink fit, the fitting surface must be machined with high precision, which is a major disadvantage in the case of materials such as ceramics, which are hard and difficult to machine. The liner does not require any processing on the fitting surface, and has great advantages in terms of processing.
以上詳述したように、本発明ライナは、セラミックを採
用する土で不可欠な強い圧縮応力状態を鋳ぐるみという
低コストの手段で得ることができるため、セラミックを
インナライナとして使用することができ、マッドポンプ
ライナの長寿命対策上効果が大きい。As detailed above, the liner of the present invention can obtain the strong compressive stress state that is essential for soils that use ceramics through the low-cost means of casting. This is highly effective in extending the life of pump liners.
第１図は従来のマッドポンプシリンダライナを示す図、
第２図は本発明ライナの一実施態様例を示す図、第３図
は第２図に示す本発明ライナの製作例を示す図である。
復代理人 内 １） 明
復代理人 萩 原 亮 −Figure 1 shows a conventional mud pump cylinder liner.
FIG. 2 is a diagram showing an embodiment of the liner of the present invention, and FIG. 3 is a diagram showing an example of manufacturing the liner of the present invention shown in FIG. Sub-agents 1) Meifuku agent Ryo Hagiwara -
Claims (1)
るんでアウタライナを形成してなるマッドポンプライナ
。A mud pump liner in which an inner liner is made of ceramic and an outer liner is formed by casting the inner liner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58006647A JPS59133869A (en) | 1983-01-20 | 1983-01-20 | Mud pump liner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58006647A JPS59133869A (en) | 1983-01-20 | 1983-01-20 | Mud pump liner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59133869A true JPS59133869A (en) | 1984-08-01 |
Family
ID=11644162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58006647A Pending JPS59133869A (en) | 1983-01-20 | 1983-01-20 | Mud pump liner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59133869A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6367675U (en) * | 1986-10-23 | 1988-05-07 | ||
| US20180135622A1 (en) * | 2016-11-15 | 2018-05-17 | Caterpillar Inc. | Piston Cartridge for Piston Pump |
-
1983
- 1983-01-20 JP JP58006647A patent/JPS59133869A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6367675U (en) * | 1986-10-23 | 1988-05-07 | ||
| US20180135622A1 (en) * | 2016-11-15 | 2018-05-17 | Caterpillar Inc. | Piston Cartridge for Piston Pump |
| US10273955B2 (en) * | 2016-11-15 | 2019-04-30 | Caterpillar Inc. | Piston cartridge for piston pump |
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