JPS58143232A - Vibration testing device - Google Patents
Vibration testing deviceInfo
- Publication number
- JPS58143232A JPS58143232A JP57026608A JP2660882A JPS58143232A JP S58143232 A JPS58143232 A JP S58143232A JP 57026608 A JP57026608 A JP 57026608A JP 2660882 A JP2660882 A JP 2660882A JP S58143232 A JPS58143232 A JP S58143232A
- Authority
- JP
- Japan
- Prior art keywords
- load
- vibration
- exciting
- force
- compensating
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/04—Monodirectional test stands
Abstract
Description
【発明の詳細な説明】
この発明は供試体を加振して供試体の信頼性などを検証
するための振動試験装置１ｌＩＶｃ関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a vibration testing device 1lIVc for verifying the reliability of a specimen by shaking the specimen.
従来のこの種振動試験装置には、第１図に示すものがあ
った。即ち第１図において、（１）は加振台（２） Ｋ
取付けられた供試体、（８）は加振台（２）に取付けら
ねたピストンロッド、（４）はピストンロッド（３）ニ
取付けられたシリンダチューブ（５）内に収容されたピ
ストン、（６）はシリンダチューブ（５）に設けられ、
ピストン（４）を駆動のための油全供給する切換弁、［
７１Ｆｉ基礎（８）にシリンダチューブ（５）全取付け
るた−めの取付脚、（９）はピストン（４）、シリンダ
チューブ（５）、切換弁（６）からなる加振装置である
。A conventional vibration testing device of this type includes one shown in FIG. That is, in Fig. 1, (1) is the vibration table (2) K
The attached specimen, (8) is the piston rod attached to the vibration table (2), (4) is the piston housed in the cylinder tube (5) attached to the piston rod (3), ( 6) is provided in the cylinder tube (5),
A switching valve that supplies all the oil for driving the piston (4), [
Mounting legs for fully mounting the cylinder tube (5) on the 71Fi foundation (8), (9) is an excitation device consisting of a piston (4), a cylinder tube (5), and a switching valve (6).
ここで所定の油圧が加えらｆ″１．７’（駆動用油が切
換弁（６）會経由してシリンダチューブ（５）に流入さ
れると、シリンダチューブ（５）およびピストン（４）
はいわゆる複動形であり、切換弁（６） Ｋよってピス
トン（４）の下方に油が流入した場合にはピストン（４
）は上方に移動し、切換弁（６）によってピストン（４
）のｔ方に油が流入した場合にはピストン（４）は下方
に移動する。このピストン（４）の運動はピストンロッ
ド（８）によって加振台（２）に伝えられ、加振台（２
）に取付けられた供試体（１）を振動させる。Here, when a predetermined oil pressure is applied f''1.7' (driving oil flows into the cylinder tube (5) via the switching valve (6), the cylinder tube (5) and piston (4)
is a so-called double-acting type, and if oil flows below the piston (4) through the switching valve (6) K, the piston (4)
) moves upward and the piston (4
), the piston (4) moves downward. The motion of this piston (4) is transmitted to the vibration table (2) by the piston rod (8), and
) is vibrated.
このようＫｍ成された従来のものでは、供試体（１）、
加振台（２）、ピストンロッド（８）およびピストン（
４）の合計車量ＶＣ等しい何重がピストン（４）を押下
げ、このためにピストン（４）の下方の油にはこの荷重
に耐えるだけの圧力を常時かけておくことが必要となる
。従って従来の振動試験装置の最大加振力Ｆｍａｘは駆
動用油の圧力全Ｐ１ピストン（４）の受圧面積をＡ１供
試体（１）の重量をＷ１加振台（２）の重量ケＷ１−．
ピストンロッド（８）の重ｉｆｆ ｋ ＷＲ％ ビス）
ン（４）の重量をＷｐとした場合、
Ｆｍａｘ ＝ Ｐ Ｘ Ａ −（Ｗ ＋Ｗｖ＋Ｗｔｔ＋
Ｗｐ ”）で表される。In the conventional model with Km formed in this way, the specimen (1),
Vibration table (2), piston rod (8) and piston (
A number of forces equal to the total vehicle weight VC of 4) push down the piston (4), and for this reason, it is necessary to constantly apply pressure to the oil below the piston (4) to withstand this load. Therefore, the maximum excitation force Fmax of the conventional vibration testing device is determined by the pressure of the driving oil, P1, the pressure receiving area of the piston (4), A1, the weight of the specimen (1), W1, the weight of the vibration table (2), and the equation W1-.
Weight of piston rod (8) if k WR% screw)
If the weight of the ring (4) is Wp, then Fmax = P X A - (W + Wv + Wtt +
Wp”).
即ち従来の振動試験装置は゛供試体（１）、加振台（２
）、ピストンロッド（３）およびピストン（４）の重量
が大きい場合に最大加振力が減少するという欠点があっ
た。この発明はこのような従来のものの欠点を除去する
ためになさねたもので、加振力の大きな珈ａ試験装隨ヲ
提供しようとするものである。In other words, the conventional vibration test equipment consists of a specimen (1), a vibration table (2)
), there was a drawback that the maximum excitation force was reduced when the weights of the piston rod (3) and piston (4) were large. The present invention was made in order to eliminate these drawbacks of the conventional device, and it is an object of the present invention to provide a ceramic test device with a large excitation force.
以下この発明の一実施例を第２図にもとづいて説明する
。即ち第２図において、（２）は加振台、（３）は７Ｊ
Ｏ振台（２） ＶＣ取付けられたピストンロッド、（９
）はピストンロッド（３）全駆動する７Ｊｎ振装置、叫
はこの加振装置（９） Ｋ作用する静的な荷重を検出す
る荷重検知装置、σカは荷重検知装置αｑで検出した荷
重信号に応じて補償すべき荷重を加振台（２） Ｋ加え
る何重補償装置である。An embodiment of the present invention will be described below based on FIG. 2. That is, in Fig. 2, (2) is the vibration table, and (3) is the 7J
O-shaking table (2) Piston rod with VC attached, (9
) is the 7Jn vibration device that fully drives the piston rod (3), the vibration device (9) is the load detection device that detects the static load acting on the piston rod, and σ is the load signal detected by the load detection device αq. This is a multiple compensator that adds K to the vibration table (2) to compensate for the load accordingly.
このように構成されたものでは、加振装置（９）が受け
る荷重は荷重検知装置００によって検出され、この荷重
信号は何重補償装置０υに導入される。荷重補償装置Ｃ
１１ｌはこの荷重信号に応じた力全発生し加振台（２）
ｖｃ荷重に等しい上向の力全卵える。従って加振装置
（９）は重置による静的な荷重を受けなくなり、静的な
荷重を受けていた従来装置に比べ大きな加振力を発生す
ることができる。With this configuration, the load applied to the vibration device (9) is detected by the load detection device 00, and this load signal is introduced into the multiple compensator 0υ. Load compensator C
11l is the vibration table (2) that generates the full force according to this load signal.
An upward force equal to the vc load is applied. Therefore, the vibration device (9) is no longer subjected to static loads due to overlapping, and can generate a larger vibration force than conventional devices that receive static loads.
なお、ここでは油圧で駆動される振動試験装置に利用す
る場合について述べたが、電磁力で駆動する振動試験装
置やクランクやカムを用いた機械式の振動試験装置など
も利用できることはいうまでもない。Although we have described the case where it is used in a vibration testing device driven by hydraulic pressure, it goes without saying that vibration testing devices driven by electromagnetic force or mechanical vibration testing devices using cranks or cams can also be used. do not have.
上記のようにこの発明による振動試験装置は、供試体を
振動させる加振装置に加わる静的な荷重全荷重検知装置
によって検知し、この荷重を何重補償装置Ｖζよって補
償するようにしたもので、加振装置に大きな加振力全卵
えて振動試１１ｔｌ’に行うことができる。As mentioned above, the vibration test device according to the present invention detects the static load applied to the vibrator that vibrates the specimen using the total load detection device, and compensates for this load using the multiple compensator Vζ. The vibration test 11tl' can be performed by applying a large excitation force to the vibration device.
第１図は従来の振動試験装置を示す側面図、第２図はこ
の発明の一実施例を示す側面図である。
図中、（１）は供試体、（２）は加振台、（８）はピス
トンロッド、（９）は加振装置、叫は荷重検知装置、回
は荷重補償装置である。
尚、図中同一符号は同−又は相当部分を示す。
代理人 葛 野 信 −
第１図FIG. 1 is a side view showing a conventional vibration testing device, and FIG. 2 is a side view showing an embodiment of the present invention. In the figure, (1) is a specimen, (2) is an excitation table, (8) is a piston rod, (9) is an excitation device, is a load detection device, and is a load compensation device. Note that the same reference numerals in the figures indicate the same or corresponding parts. Agent Shin Kuzuno - Figure 1
Claims (1)
わる静的な荷重を検知する荷重検知装置、この荷重検知
装置で検知した荷重を打消す力を発生させて、上記加振
装置１１ｖｃ加わる荷重を補償する荷重補償装置ｔヲ備
えた振動試験装置。 （２）供試体は加振装置１ｔによって加振される加振台
に取付けられている特許請求の範囲第１項記載の振動試
験装置。 （８）荷重補償装置は加振台に補償すべき荷重を加える
ようにした特許請求の範囲第２項記載の振動試験装置。[Scope of Claims] (1) An excitation device that vibrates a specimen, a load detection device that detects a static load applied to this excitation device, and a force that generates a force that cancels the load detected by this load detection device. A vibration testing apparatus is provided with a load compensator t for compensating the load applied by the vibrator 11vc. (2) The vibration test device according to claim 1, wherein the specimen is attached to a vibration table that is excited by a vibration device 1t. (8) The vibration testing device according to claim 2, wherein the load compensator applies a load to be compensated to the vibration table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57026608A JPS58143232A (en) | 1982-02-19 | 1982-02-19 | Vibration testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57026608A JPS58143232A (en) | 1982-02-19 | 1982-02-19 | Vibration testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58143232A true JPS58143232A (en) | 1983-08-25 |
Family
ID=12198213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57026608A Pending JPS58143232A (en) | 1982-02-19 | 1982-02-19 | Vibration testing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58143232A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017508992A (en) * | 2014-03-12 | 2017-03-30 | スペクトラ・シュヴィングングステヒニーク・ウント・アクスティーク・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング・ドレスデン | Exciter with load compensation |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5217738A (en) * | 1975-07-31 | 1977-02-09 | Casio Comput Co Ltd | Key input system |
-
1982
- 1982-02-19 JP JP57026608A patent/JPS58143232A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5217738A (en) * | 1975-07-31 | 1977-02-09 | Casio Comput Co Ltd | Key input system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017508992A (en) * | 2014-03-12 | 2017-03-30 | スペクトラ・シュヴィングングステヒニーク・ウント・アクスティーク・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング・ドレスデン | Exciter with load compensation |
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