JPS609706U - suspension device - Google Patents
suspension deviceInfo
- Publication number
- JPS609706U JPS609706U JP10170483U JP10170483U JPS609706U JP S609706 U JPS609706 U JP S609706U JP 10170483 U JP10170483 U JP 10170483U JP 10170483 U JP10170483 U JP 10170483U JP S609706 U JPS609706 U JP S609706U
- Authority
- JP
- Japan
- Prior art keywords
- internal pressure
- set internal
- spring
- load
- air spring
- 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.)
- Granted
Links
Landscapes
- Fluid-Damping Devices (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
第１図は従来のサスペンション装置のサスペンション本
体を示す側面図、第２図はこの考案に係るサスペンショ
ン装置の一実施例のサスペンション本体を示す側面図、
第３図及び第４図は予じめ設定された合成ばね特性を得
る為の空気ばねの設定内圧の決め方を説明する為の特性
図、第５図は第２図に示すサスペンション本体の制御系
の構成を示す図、第６図は予じめ設定された合成ばね特
性を得る為の動作を説明する為のフローチャート
、第７図は第６図に示す変動周波数識別回路の動作を説
明する為の図、第８図は合成ばね定数の切換え動作を説
明する為のフローチャート、第９図はこの考案の他の実
施例の要部の構成を示す図、第１０図は第９図の動作を
説明する為のフローチャートである。
２１・・・・・・ショックアブソーバ、２２・・・・・
・ピストンロッド、２３・・・・・・ベアリング、２４
・・・・・・マウントゴム、２５・・・・・・ボデーフ
レーム、２６・・開駆動ピン、２７・・・・・・コイル
ばね、２８・・・・・・ばね受け、２９・・・・・・ば
ね受け、３０・・・・・・空気ばね、３１・・曲ばね受
け、３′２・・・・・・ばね受け、３３・曲・エアシー
ル、３４・・・・・・空気室、３５・間・連通路、３６
・・曲エア注入口、４４・・・・・・内圧センサ、４５
・・曲荷重センサ、５１・・・・・・内圧設定回路、５
２・・・・・・荷重／内圧マツプ、５３・・・・・・ソ
レノイドバルブ駆動回路、５４・・・・・・給気ソレノ
イドバルブ、５５・・・・・・排気ソレノイドバルブ、
５６・・・・・・リザーブタンク、５７・・・・・・排
気管、５８・・・・・・内圧検出回路、６３・・・・・
・変動周波数識別回路、１０１・・・・・・電空比例弁
、１０２・・・・・・電空比例弁駆動回路。FIG. 1 is a side view showing the suspension body of a conventional suspension device, and FIG. 2 is a side view showing the suspension body of an embodiment of the suspension device according to the invention.
Figures 3 and 4 are characteristic diagrams to explain how to determine the set internal pressure of the air spring to obtain preset composite spring characteristics, and Figure 5 is the control system for the suspension body shown in Figure 2. Figure 6 is a flowchart to explain the operation to obtain preset composite spring characteristics, and Figure 7 explains the operation of the variable frequency identification circuit shown in Figure 6. 8 is a flowchart for explaining the switching operation of the composite spring constant, FIG. 9 is a diagram showing the configuration of the main part of another embodiment of this invention, and FIG. 10 is the operation of FIG. 9. It is a flowchart for explaining. 21... Shock absorber, 22...
・Piston rod, 23...Bearing, 24
......Mount rubber, 25...Body frame, 26...Opening drive pin, 27...Coil spring, 28...Spring receiver, 29... ...Spring receiver, 30... Air spring, 31... Curved spring receiver, 3'2... Spring receiver, 33... Curved air seal, 34... Air chamber. , 35・Interval・Communication path, 36
...Curved air inlet, 44...Internal pressure sensor, 45
...Bending load sensor, 51...Internal pressure setting circuit, 5
2... Load/internal pressure map, 53... Solenoid valve drive circuit, 54... Air supply solenoid valve, 55... Exhaust solenoid valve,
56... Reserve tank, 57... Exhaust pipe, 58... Internal pressure detection circuit, 63...
- Fluctuation frequency identification circuit, 101... Electro-pneumatic proportional valve, 102... Electro-pneumatic proportional valve drive circuit.
Claims (1)
変化に対して前記コイルばねとは伸縮動作が逆な空気ば
ねを有するサスペンション本体と、前記空気ばね、に対
して圧縮空気を供給する連通路及び前記空気ばねから圧
縮空気を排出する連通路に介挿されるサーボ弁と、 予じめ定められた前記コイルばねと前記空気ばねとの値
の異なる複数の合成ばね定数を得る為の前記空気ばねの
設定内圧を示すデータを記憶する７ 設定内圧
記憶手段と、 前記サスペンション本体にかかる荷重を検知する荷重セ
ンサと、 この荷重センサによって検知された荷重の変動周波数を
識別する変動周波数識別手段と、この変動周波数識別手
段の識別結果に従って変動周波数が高い程前記設定内圧
記憶手段から大きな合成ばね定数に従った設定内圧を示
すデータを読み出す設定内圧読出し手段と、 前記空気ばねの内圧が前記設定内圧読出し手段によって
読み出されたデータの示す設定内圧と等しくなるように
前記サーボ弁の開閉を制御するサーボ弁ル制御手段とを
具備したサスペンション装置。[Claims for Utility Model Registration] A suspension body having a coil spring that expands and contracts according to a change in load, and an air spring whose expansion and contraction action is opposite to that of the coil spring with respect to the change in load, and a suspension body that compresses the air spring. a servo valve inserted in a communication path for supplying air and a communication path for discharging compressed air from the air spring; and a plurality of predetermined composite spring constants having different values for the coil spring and the air spring. a set internal pressure storage means for storing data indicating a set internal pressure of the air spring to obtain the set internal pressure of the air spring; a load sensor that detects the load applied to the suspension body; and a variation that identifies a frequency of variation of the load detected by the load sensor. a frequency identification means; a set internal pressure readout means for reading data indicating a set internal pressure according to a composite spring constant from the set internal pressure storage means as the fluctuating frequency becomes higher according to the identification result of the fluctuating frequency identifying means; and servo valve control means for controlling opening and closing of the servo valve so that the internal pressure is equal to the set internal pressure indicated by the data read by the set internal pressure reading means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10170483U JPS609706U (en) | 1983-06-30 | 1983-06-30 | suspension device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10170483U JPS609706U (en) | 1983-06-30 | 1983-06-30 | suspension device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS609706U true JPS609706U (en) | 1985-01-23 |
| JPS6341214Y2 JPS6341214Y2 (en) | 1988-10-28 |
Family
ID=30240060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10170483U Granted JPS609706U (en) | 1983-06-30 | 1983-06-30 | suspension device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS609706U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7077097B2 (en) * | 2018-03-28 | 2022-05-30 | 日立Astemo株式会社 | Air suspension system and camera cleaning system |
-
1983
- 1983-06-30 JP JP10170483U patent/JPS609706U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6341214Y2 (en) | 1988-10-28 |
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