JPS6047881A - Servomotor device for guide vane - Google Patents

Servomotor device for guide vane

Info

Publication number
JPS6047881A
JPS6047881A JP58154117A JP15411783A JPS6047881A JP S6047881 A JPS6047881 A JP S6047881A JP 58154117 A JP58154117 A JP 58154117A JP 15411783 A JP15411783 A JP 15411783A JP S6047881 A JPS6047881 A JP S6047881A
Authority
JP
Japan
Prior art keywords
servo motor
base plate
spherical washer
servomotor
guide vane
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
JP58154117A
Other languages
Japanese (ja)
Inventor
Tadashi Ejiri
江尻　正
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
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 Toshiba Corp filed Critical Toshiba Corp
Priority to JP58154117A priority Critical patent/JPS6047881A/en
Publication of JPS6047881A publication Critical patent/JPS6047881A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
    • F03B3/16—Stators
    • F03B3/18—Stator blades; Guide conduits or vanes, e.g. adjustable
    • F03B3/183—Adjustable vanes, e.g. wicket gates
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Hydraulic Turbines (AREA)
  • Bolts, Nuts, And Washers (AREA)

Abstract

PURPOSE:To eliminate the effect of relative inclination between the main body of the servomotor and a base plate, unnecessitate the interruption of installation work and facilitate coupling work by a method wherein one set of opposing surfaces, consisting of mutually slidable partial spherical surfaces, are provided at the coupling section of the servomotor and the base plate. CONSTITUTION:A protruded spherical surface washer 10, whose one side is a flat surface and the other side is a protruded spherical surface, and a recessed spherical surface washer 11, whose one side is the flat surface and the other side is a recessed spherical surface having spherical radium equal to the same of said protruded spherical surface washer 10, are arranged between the heads 9a of a plurality of bolts 9, clamping the main body 6 of the servomotor and the base plate 1 through a filling member 8, and the main body 6 of the servomotor. According to this method, the direction and amount of relative inclination between the main body 6 of servomotor and the base plate 1 will never affect the coupling of both parts. The coupling work may be effected easily and surely by only clamping the bolts 9 without interrupting the installation work of the servomotor.

Description

【発明の詳細な説明】 〔発明の技術分野〕 本発明は水車又はポンプ水車などの水力機械のガイドベ
ーン操作用として設けられるサーボモータ装置に関する
。DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to a servo motor device provided for operating a guide vane of a hydraulic machine such as a water wheel or a pump water wheel.

〔発明の技術的背景とその問題点〕[Technical background of the invention and its problems]

水力発電所の水車又はポンプ水車ガどの水力機械におい
ては、水力機械設置用ピット内に左右２連の往復直線運
動をするサーボモータ装置を配置し、左右相反して作動
させることによシガイドリングを揺動させ、水力機械の
ガイドベーンを開又は閉動作させる。さらにこのザーボ
モータ動作によって生ずる反力をベースプレートを介し
、ピット内側面で受ける様に、サーボモータ本体はベー
スプレートに据付けられる。従来、ベースプレートは水
力発電所建設の際、単独でピットライナに溶接取付し、
ベースプレート用基礎ボルトを取付けてコンクリートを
打設し、あらかじめピットと共に完全に成形固定する。In hydraulic machines such as water turbines or pump-turbines in hydroelectric power plants, two sets of servo motor devices that perform reciprocating linear motion on the left and right are placed in the pit for installing hydraulic machines, and the left and right sides are operated in opposition to each other. swings to open or close the guide vanes of the hydraulic machine. Furthermore, the servo motor body is installed on the base plate so that the reaction force generated by the servo motor operation is received by the inner surface of the pit via the base plate. Traditionally, base plates were individually welded to the pit liner when constructing a hydroelectric power plant.
Attach the foundation bolts for the base plate, pour concrete, and completely form and fix it together with the pit in advance.

次に別個に水力機械本体のガイドリング組立に引き続き
、サーボモータ本体の据付位置、レベル調整、および左
右サーボモータ本体の平行度を調整し、この状態でサー
ボモータの位置を仮に固定し、あらかじめピットに固着
しであるベースプレートとサーボモータ本体の間隙に充
填材を流し込み硬化させるか、又はシム等を入れて間隙
を埋めた後、サーボモータ本体とベースプレートとを締
付部材である複数個のボルトにて締結して、サーボモー
タ装置を据付けるという手段を採っていた。Next, after separately assembling the guide ring of the hydraulic machine body, the installation position of the servo motor body, level adjustment, and parallelism of the left and right servo motor bodies are adjusted.In this state, the position of the servo motor is temporarily fixed, and the pit is placed in advance. After pouring a filler into the gap between the base plate and the servo motor body, which are fixed together, and letting it harden, or filling the gap with shims, etc., connect the servo motor body and base plate to multiple bolts, which are fastening members. The method used was to fasten the bolts and install the servo motor device.

以上のようなサーボモータ装置の据付手段においては、
水車組立以前にあらかじめ設定された位置に、かつ垂直
にベースプレートを据付けることは、コンクリートの打
設によるピットライナの変形等から困難であシ、ベース
プレートとサーボモータ本体に一定の範囲の間隙をあら
かじめ設けておき、との間隙でベースプレートの傾き、
位置のずれ等を許容し、吸収するようにしているのが特
徴である。従って実際に水力機械を組立て、前述の要領
でサーボモータ装置を据付け、最後にボルトでベースプ
レートとサーボモータ本体を締結する場合、サーボモー
タ本体側のボルト用座面と締結用ボルト頭座面とは平行
ではない場合が多く、さらにこの傾きの量、方向はあら
かじめ予測することが出来ないため、そのままでボルト
を締付けたのでは、サーボモータ本体側のボルト用座面
に当る荷重が不均一になり、極部的面圧過大による座面
の変形を生じ、ボルトにも不要な曲げ応力を発生し、故
障の原因となる。従って、この段階でその実際の傾きに
見合った傾斜座金を製作し、挿入する等の作業が必要で
、据付作業が中断される不具合があった。In the installation means of the servo motor device as described above,
It is difficult to install the base plate vertically at a predetermined position before assembling the water turbine due to deformation of the pit liner due to concrete pouring. Provide a gap between the base plate and the tilt of the base plate.
It is characterized by allowing and absorbing positional deviations. Therefore, when actually assembling a hydraulic machine, installing the servo motor device as described above, and finally fastening the base plate and servo motor body with bolts, what is the bolt bearing surface on the servo motor body side and the fastening bolt head bearing surface? In many cases, they are not parallel, and the amount and direction of this inclination cannot be predicted in advance, so if the bolts are tightened as they are, the load applied to the bolt seating surface on the servo motor body side will be uneven. , the bearing surface is deformed due to extremely excessive surface pressure, and unnecessary bending stress is also generated on the bolt, causing failure. Therefore, at this stage, it is necessary to manufacture and insert an inclined washer corresponding to the actual inclination, resulting in a problem that the installation work is interrupted.

〔発明の目的〕[Purpose of the invention]

本発明はサーボモータ本体とベースプレートとの相対的
傾きがあっても、容易にかつ確実に締結できるようにし
たガイドベーン用サーボモータ装置を提供することを目
的とする。SUMMARY OF THE INVENTION An object of the present invention is to provide a servo motor device for a guide vane that can be easily and reliably fastened even if there is a relative inclination between the servo motor main body and a base plate.

〔発明の概要〕[Summary of the invention]

本発明においては、サーボモータ本体をベースプレート
に締付部材で締付ける際、締付部材の締付力を受ける１
組の対向面を互いに摺動可能な部分球面とすることによ
シ、締付けの際自動的に球面を適宜摺動させ、サーボモ
ータ本体のボルト用座面に不均一な荷重を生じたり、ボ
ルトに不要な曲げ応力の発生を防止し７、サーボモータ
装置の安全性を高め、水力機械の建設工期を短縮するも
のである。In the present invention, when the servo motor body is fastened to the base plate with the fastening member, the
By making the facing surfaces of the set into partial spherical surfaces that can slide against each other, the spherical surfaces automatically slide appropriately during tightening, which prevents uneven loads from being applied to the bolt seating surface of the servo motor body, This prevents the generation of unnecessary bending stress7, increases the safety of the servo motor device, and shortens the construction period of the hydraulic machine.

〔発明の実施例〕[Embodiments of the invention]

実施例１ 以下、本発明の第１の実施例について、第１図および第
２図を参照して説明する。第１図は第１の実施例のサー
ボモータ装置の基礎コンクリート部を断面にした上面図
であり、第２図はその要部拡大断面図である。Example 1 A first example of the present invention will be described below with reference to FIGS. 1 and 2. FIG. 1 is a cross-sectional top view of the concrete foundation of the servo motor device of the first embodiment, and FIG. 2 is an enlarged cross-sectional view of the main parts thereof.

ベースプレート（１）は水力機械本体の組立以前に単独
でピットライナ（２）に溶接取付し、さらに基礎ボルト
（３）を取付け、コンク１．１−　ｈ　（４）を打設し
、十分な養生期間を経た後、水カ機株本体（１ン１示ぜ
ず）の組立にかかり、水力機械本体側のガイドリング（
５）が据付かった状態で、サーボモータ本体（６）（左
右２個）を、カイトリング（５）を基準にレベル調整及
び左右サーボモータ本体（６）の平行度を調整し、仮に
ピットライナ底面あるいは上面に設けられたサーボモー
タ据付治具（図示せず）によシ固定しておくと同時に、
ガイドリング（５）と左右→ノ゛−ボモータ本体（６）
はコネクチングロッド（７）にょシ接続する。この時点
ではベースプレートで】）とサーボモータ本体（６）と
の間には成る範囲の間隙があるが、この間隙に充填材（
８）を流し込み、十分硬化した後、サーボモータ本体（
６）とベースプレート（１）を締伺部材である複数本の
ボルト（９）により締結する。この際サーボモータ本体
（６）とボルト（９）のｆｉｉｒｉ（９ａ）との間、即
ちボルト頭下に、片側が平面で他側が凸球面状をした凸
球面座金００）と、片側が平面で他側が前記凸球面座金
００）と球面半径が等しい四球面状をした凹球面座金（
１１）を、両球面が嵌合するように配設しておく。Before assembling the main body of the hydraulic machine, the base plate (1) is welded to the pit liner (2) separately, the foundation bolts (3) are attached, concrete 1.1-h (4) is cast, and the base plate is sufficiently cured. After the period has passed, the assembly of the hydraulic machine body (1 and 1 not shown) begins, and the guide ring on the hydraulic machine body side (
5) is installed, adjust the level of the servo motor bodies (6) (two on the left and right) using the kite ring (5) as a reference, and adjust the parallelism of the left and right servo motor bodies (6). At the same time, fix it to the servo motor installation jig (not shown) provided on the bottom or top surface.
Guide ring (5) and left and right → Novo motor body (6)
Connect to the connecting rod (7). At this point, there is a gap between the base plate (】) and the servo motor body (6), but this gap is filled with the filler (
8) and after it has sufficiently hardened, remove the servo motor body (
6) and the base plate (1) are fastened using a plurality of bolts (9) which are tightening members. At this time, between the servo motor body (6) and the bolt (9a) of the bolt (9), that is, under the bolt head, there is a convex spherical washer 00) with one side flat and the other side convex spherical. The other side is a concave spherical washer (
11) are arranged so that both spherical surfaces fit together.

次に作用について説明する。Next, the effect will be explained.

ボルト頭（９ａ）下とサーボモータ本体（６）との間に
１組の球面座金（ｔｏ）　、　（ｉｌｌを入れることに
よシ、ベースプレート（１）に垂直にねじ込んでボルト
（９）の頭座面とサーボモータ本体（６）の凹球面座金
（１１１取付面が、左右上下どの方向に相対的に傾いて
いても、ボルト（９）を締付りていくだけで、球面座金
αＧ　、　（１１＋の球面が自動的にずれ、ボルト頭座
面が凸球面座金（１０）の裏側の平面に均一に当だシ、
締付荷重が均一に伝達されると共に、ボルト締付作業も
容易で、所定の締付トルクで所定の締付力が得られる。By inserting a set of spherical washers (to) and (ill) between the bottom of the bolt head (9a) and the servo motor body (6), screw it vertically into the base plate (1) and tighten the head of the bolt (9). Even if the mounting surface of the concave spherical washer (111) between the seat surface and the servo motor body (6) is tilted relative to each other in any direction, left, right, up, down, or up, just by tightening the bolt (9), the spherical washer αG, (11+ The spherical surface of will automatically shift so that the bolt head bearing surface will evenly contact the flat surface on the back side of the convex spherical washer (10).
The tightening load is uniformly transmitted, bolt tightening work is easy, and a predetermined tightening force can be obtained with a predetermined tightening torque.

従ってボルト頭座面の片当りによるボルトの曲がりによ
って発生した従来のボルト頚部の集中応力とサーボモー
タカによる繰返し引張応力の複合による疲労破損の危険
性も無くなる。Therefore, the risk of fatigue failure due to the combination of the conventional concentrated stress in the bolt neck caused by bending of the bolt due to uneven contact of the bolt head and bearing surface and the repeated tensile stress caused by the servo motor is also eliminated.

尚第２図における凸球面座金ＵＯ）と凹球面座金（１１
）との位置は互いに逆にしてもよい。In addition, the convex spherical washer UO) and the concave spherical washer (11
) may be reversed.

実施例２ 第３図は第２の実施例の要部を示す。とれは実施例１の
凸球面座金００）をボルト頭部（９ａ）に一体に削シ出
しによシ形成したもので他は実施例１と同様である。Embodiment 2 FIG. 3 shows the main part of the second embodiment. The rest is the same as in Example 1 except that the convex spherical washer 00) of Example 1 is integrally machined and formed on the bolt head (9a).

このようにしても実施例１と同様の作用効果が得られる
。Even in this case, the same effects as in the first embodiment can be obtained.

尚、凸球面座金ＯＱの代シに凹球面座金ＯＤをボルト頭
部（９ａ）に一体に削り出しによシ形成してもよい。Incidentally, instead of the convex spherical washer OQ, a concave spherical washer OD may be formed by cutting out integrally with the bolt head (9a).

実施例３ 第４図は第３の実施例の要部を示す。これは実施例１の
ボルトをやめて、締伺部材としてベースプレート（１）
に植込んだ植込ボルト０りにナツトθ〜を係合したもの
である。他は実施例１と同様である。Embodiment 3 FIG. 4 shows the main part of the third embodiment. This uses the base plate (1) as a tightening member instead of using the bolts in Example 1.
A nut θ~ is engaged with a stud bolt 0 inserted in the hole. The rest is the same as in Example 1.

このようにしても実施例１と同様の作用効果が得られる
。Even in this case, the same effects as in the first embodiment can be obtained.

尚凸球面座金ＩＪＯ）と凹球面座金０１）の位置は互い
に逆にしてもよいし、凸球面座金００）又は凹球面座金
Ｕをナツト（１３）と一体に削り出しによシ形成しても
よい。The positions of the convex spherical washer IJO) and concave spherical washer 01) may be reversed, or the convex spherical washer 00) or the concave spherical washer U may be formed by machining integrally with the nut (13). good.

〔発明の効果〕〔Effect of the invention〕

以上説明したように、本発明によれば、締付部に互いに
摺動可能な部分球面からなる１組の対向面を設けたので
サーボモータ本体とベースプレートとの相対的傾きの方
向、量に左右されることなく、かつサーボモータ据付作
業を中断させることなく、容易にサーボモータ本体をベ
ースプレートに締結する作業が可能になると同時に、締
結が確実で信頼性の向上したガイドベーン用サーボモー
タ装置が得られる。As explained above, according to the present invention, since the tightening part is provided with a pair of opposing surfaces made of partial spherical surfaces that can slide against each other, the direction and amount of relative inclination between the servo motor body and the base plate can be influenced. The present invention provides a servo motor device for guide vanes that allows the servo motor main body to be easily fastened to the base plate without being damaged or interrupting the servo motor installation work, and at the same time provides reliable fastening and improved reliability. It will be done.

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

第１図は本発明のガイドベーン用サーボモータ装置の第
１の実施例を示す１部所面上面図、第２図は第１図の要
部拡大断面図、第３図および第４図は第２および第３の
実施例を示す要部断面図である。 １・・−ベースプレート　６・・・サーボモータ本体９
・・・ポル）　９ａ・・−ボルト頭 １０・・−凸球面座金　１１・・・凹球面座金１２・−
・植込ボルト　１３・・・ナット一Fig. 1 is a top view of a part showing a first embodiment of the servo motor device for guide vanes of the present invention, Fig. 2 is an enlarged sectional view of the main part of Fig. 1, and Figs. 3 and 4 are FIG. 7 is a sectional view of a main part showing a second and third embodiment. 1...-Base plate 6... Servo motor body 9
...pol) 9a...-Bolt head 10...-Convex spherical washer 11...Concave spherical washer 12...
・Built bolt 13...Nut 1

Claims (5)

【特許請求の範囲】[Claims] （１）水車又はポンプ水車などの水力機械のガイドベー
ン用サーボモータ装置において、サーボモータ本体をベ
ースプレートに締付部材で締付ける際、締付部材の締付
力を受ける１組の対向面を互いに摺動可能な部分球面と
したことを特徴とするガイドベーン用サーボモータ装置
。(1) In a servo motor device for a guide vane of a hydraulic machine such as a water turbine or a pump water turbine, when the servo motor body is tightened to the base plate with a tightening member, a pair of opposing surfaces that receive the tightening force of the tightening member are slid against each other. A servo motor device for a guide vane, characterized by having a movable partial spherical surface. （２）締付部材はベースプレートにねじ込むボルトとし
、１組の対向面はボルト頭下に設けた凸球面座金と凹球
面座金によって形成したことを特徴とする特許請求の範
囲第１項記載のガイドベーン用サーボモータ装置。(2) The guide according to claim 1, wherein the tightening member is a bolt screwed into the base plate, and the pair of opposing surfaces is formed by a convex spherical washer and a concave spherical washer provided under the bolt head. Servo motor device for vanes. （３）凸球面座金又は凹球面座金はボルト頭部に一体に
形成したことを特徴とする特許請求の範囲第２項記載の
ガイドベーン用サーボモータ装置。(3) The servo motor device for a guide vane according to claim 2, wherein the convex spherical washer or the concave spherical washer is integrally formed with the bolt head. （４）締付部材はベースプレートに植込んだ植込ボルト
に係合するナツトとし、１組の対向面はナツト下に設け
た凸球面座金と凹球面座金によって形成したことを特徴
とする特許請求の範囲第１項記載のガイドベーン用サー
ボモータ装置。(4) A patent claim characterized in that the tightening member is a nut that engages with a stud bolt installed in the base plate, and a pair of opposing surfaces are formed by a convex spherical washer and a concave spherical washer provided under the nut. A guide vane servo motor device according to item 1. （５）　凸球面座金又は凹球面座金はナツトに一体に形
成したことを特徴とする特許請求の範囲第４項記載のガ
イドベーン用サーボモータ装置。(5) The servo motor device for a guide vane according to claim 4, wherein the convex spherical washer or the concave spherical washer is integrally formed with the nut.
JP58154117A 1983-08-25 1983-08-25 Servomotor device for guide vane Pending JPS6047881A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58154117A JPS6047881A (en) 1983-08-25 1983-08-25 Servomotor device for guide vane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58154117A JPS6047881A (en) 1983-08-25 1983-08-25 Servomotor device for guide vane

Publications (1)

Publication Number Publication Date
JPS6047881A true JPS6047881A (en) 1985-03-15

Family

ID=15577291

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58154117A Pending JPS6047881A (en) 1983-08-25 1983-08-25 Servomotor device for guide vane

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63106361A (en) * 1986-07-23 1988-05-11 Yuu Kosan Kk Method of activating gasoline mixture and device therefor
JPH0530145U (en) * 1991-09-24 1993-04-20 三菱自動車工業株式会社 Quenching equipment
JPH0744752U (en) * 1995-04-13 1995-11-28 富士電子工業株式会社 Induction hardening equipment
CN102269095A (en) * 2011-07-15 2011-12-07 天津市天发重型水电设备制造有限公司 Servomotor mounting structure with automatic alignment function
JP5945661B1 (en) * 2015-06-23 2016-07-05 和富 岡 Female thread parts, male thread parts and washer parts
KR101989706B1 (en) * 2017-12-27 2019-06-14 양승철 Base plate angle adjustment using fluid chamber and spherical object

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63106361A (en) * 1986-07-23 1988-05-11 Yuu Kosan Kk Method of activating gasoline mixture and device therefor
JPH0530145U (en) * 1991-09-24 1993-04-20 三菱自動車工業株式会社 Quenching equipment
JPH0744752U (en) * 1995-04-13 1995-11-28 富士電子工業株式会社 Induction hardening equipment
CN102269095A (en) * 2011-07-15 2011-12-07 天津市天发重型水电设备制造有限公司 Servomotor mounting structure with automatic alignment function
JP5945661B1 (en) * 2015-06-23 2016-07-05 和富 岡 Female thread parts, male thread parts and washer parts
JP2017009061A (en) * 2015-06-23 2017-01-12 和富 岡 Internal screw component, external screw component and washer component
KR101989706B1 (en) * 2017-12-27 2019-06-14 양승철 Base plate angle adjustment using fluid chamber and spherical object

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