JPS6312414U - - Google Patents
Info
- Publication number
- JPS6312414U JPS6312414U JP10563086U JP10563086U JPS6312414U JP S6312414 U JPS6312414 U JP S6312414U JP 10563086 U JP10563086 U JP 10563086U JP 10563086 U JP10563086 U JP 10563086U JP S6312414 U JPS6312414 U JP S6312414U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- chamber
- hydraulic
- oil
- suspension device
- 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
- 239000003921 oil Substances 0.000 claims description 8
- 239000000725 suspension Substances 0.000 claims description 7
- 239000010720 hydraulic oil Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 6
- 125000006850 spacer group Chemical group 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Description
図面は本考案の一実施例を示し、第１図は本考
案に係る油圧サスペンシヨン装置が搭載されるト
ラツククレーンの側面図、第２図は第１図に示す
トラツククレーンの部分横断面図、第３図は本考
案に係る油圧サスペンシヨン装置の油圧回路図、
第４図は第３図の油圧シリンダの油圧回路部１０
ｄ，１２ｄ，１６ｄ，１８ｄの詳細回路図、第５
図は作動油及びパイロツト油圧の供給系統の油圧
回路図、第６図は本考案に係る油圧サスペンシヨ
ン装置の作動制御を司る姿勢制御コントローラの
入出力結線図、第７図は第４図の流量制御弁２６
を構成するチエツク弁２６ｂの詳細を示す断面構
成図、第８図は第４図のパイロツトチエツク弁２
８の詳細を示す断面構成図、第９図乃至第１５図
は第６図の姿勢制御コントローラ１２０により実
行される油圧シリンダの作動制御手順を示すプロ
グラムフローチヤート、第１６図乃至第１８図は
各々本考案に係る油圧サスペンシヨン装置の作動
を説明するための油圧回路状態図、第１９図は本
考案に係る油圧サスペンシヨン装置のシヨツクア
ブソーバ機能を説明するためのピストンスピード
と減衰力との関係を示すグラフ、第２０図乃至第
３９図は各々本考案に係る油圧サスペンシヨン装
置の作動を説明するための油圧回路状態図である
。
１……トラツククレーン、３……シヤシフレー
ム、４……前輪、５……フロントアクスル、８…
…後輪、９……リアアクスル、１０，１２，１６
，１８……油圧シリンダ、１０ｂ，１２ｂ，１６
ｂ，１８ｂ……ピストン、１０ｅ，１２ｅ，１６
ｅ，１８ｅ……ストロークセンサ、１０ｆ，１２
ｆ，１６ｆ，１８ｆ……ピストン上室、１０ｇ，
１２ｇ，１６ｇ，１８ｇ……ピストン下室、２１
，２２，２３……油路、２５……リリーフ弁、２
６……流量制御弁、２６ａ……絞り、２６ｂ……
絞り付チエツク弁、２６０……ポペツト、２６５
……スペーサ、２７……パイロツト切換弁、２８
，２９……パイロツトチエツク弁、２８０……ポ
ペツト、２８３……ピストン、２８３ａ……ピス
トンロツド、２８９……スペーサ、３０……パイ
ロツト切換弁、４１……作動油圧路、４７，４９
，５０……電磁切換弁、５１，５２……パイロツ
ト油路、５４，５９，６４，６７……パイロツト
チエツク弁、５５，６０……流量制御弁、５５ａ
，６０ａ……パイロツトチエツク弁、５５ｂ，６
０ｂ……絞り、５７，６２，６５，６８……アキ
ユムレータ、７０，７１……チエツク弁、７３〜
８０……油路、９１……ドレイン、１００ａ，１
００ｂ……油圧ポンプ、１０２……電磁切換弁、
１０３……流量制御弁、１０５……電磁切換弁、
１２０……姿勢制御コントローラ、１２２……傾
斜角センサ、１２４……上下加速度Ｇセンサ、１
２５……ブレーキ圧スイツチ、１３０……姿勢コ
ントロールスイツチ、１３２……上下コントロー
ルスイツチ、１３４……マニアル切換スイツチ。
The drawings show one embodiment of the present invention; FIG. 1 is a side view of a truck crane on which a hydraulic suspension device according to the present invention is mounted; FIG. 2 is a partial cross-sectional view of the truck crane shown in FIG. 1; Figure 3 is a hydraulic circuit diagram of the hydraulic suspension device according to the present invention;
Figure 4 shows the hydraulic circuit section 10 of the hydraulic cylinder shown in Figure 3.
Detailed circuit diagram of d, 12d, 16d, 18d, 5th
The figure is a hydraulic circuit diagram of the hydraulic oil and pilot oil pressure supply system, Figure 6 is an input/output wiring diagram of the attitude control controller that controls the operation of the hydraulic suspension device according to the present invention, and Figure 7 is the flow rate of Figure 4. control valve 26
FIG. 8 is a sectional view showing the details of the check valve 26b constituting the pilot check valve 2 of FIG.
8, FIGS. 9 to 15 are program flowcharts showing the operation control procedure of the hydraulic cylinder executed by the posture control controller 120 in FIG. 6, and FIGS. 16 to 18 are respectively A hydraulic circuit state diagram for explaining the operation of the hydraulic suspension device according to the present invention, and FIG. 19 shows the relationship between piston speed and damping force for explaining the shock absorber function of the hydraulic suspension device according to the present invention. The graphs shown in FIGS. 20 to 39 are hydraulic circuit state diagrams for explaining the operation of the hydraulic suspension device according to the present invention. 1... Truck crane, 3... Chassis frame, 4... Front wheel, 5... Front axle, 8...
...Rear wheel, 9...Rear axle, 10, 12, 16
, 18... Hydraulic cylinder, 10b, 12b, 16
b, 18b... Piston, 10e, 12e, 16
e, 18e...stroke sensor, 10f, 12
f, 16f, 18f...piston upper chamber, 10g,
12g, 16g, 18g...Piston lower chamber, 21
, 22, 23... Oil path, 25... Relief valve, 2
6...flow control valve, 26a...throttle, 26b...
Check valve with throttle, 260...Poppet, 265
...Spacer, 27...Pilot switching valve, 28
, 29... Pilot check valve, 280... Poppet, 283... Piston, 283a... Piston rod, 289... Spacer, 30... Pilot switching valve, 41... Operating hydraulic path, 47, 49
, 50... Solenoid switching valve, 51, 52... Pilot oil path, 54, 59, 64, 67... Pilot check valve, 55, 60... Flow rate control valve, 55a
, 60a...Pilot check valve, 55b, 6
0b... Throttle, 57, 62, 65, 68... Accumulator, 70, 71... Check valve, 73~
80... Oil path, 91... Drain, 100a, 1
00b...Hydraulic pump, 102...Solenoid switching valve,
103...Flow control valve, 105...Solenoid switching valve,
120...Posture control controller, 122...Tilt angle sensor, 124...Vertical acceleration G sensor, 1
25...Brake pressure switch, 130...Position control switch, 132...Vertical control switch, 134...Manual changeover switch.
Claims (1)
トンにより画成されるピストン一側室とピストン
ロツド側のピストン他側室とを有する油圧シリン
ダ、前記ピストン一側室と前記ピストン他側室と
を連通する油路、該油路途中に配設され、移動可
能な隔壁により画成されるガス室と油室を有し、
前記ピストンの移動により前記ピストン一側室か
ら吐出される作動油の一部を前記油室に蓄えるア
キユムレータ、前記油路途中に配設され、前記ピ
ストン一側室及び前記ピストン他側室を出入する
作動油の流れをオン・オフ制御する弁手段とから
成ることを特徴とする車両用油圧サスペンシヨン
装置。 a hydraulic cylinder that is interposed between a chassis frame and an axle and has a chamber on one side of the piston defined by a piston and a chamber on the other side of the piston on the piston rod side; an oil passage that communicates the chamber on one side of the piston with the chamber on the other side of the piston; It is located in the middle of the oil path and has a gas chamber and an oil chamber defined by a movable bulkhead,
an accumulator that stores a part of the hydraulic oil discharged from the one side chamber of the piston in the oil chamber as the piston moves; A hydraulic suspension device for a vehicle, comprising a valve means for controlling flow on and off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10563086U JPS6312414U (en) | 1986-07-11 | 1986-07-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10563086U JPS6312414U (en) | 1986-07-11 | 1986-07-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6312414U true JPS6312414U (en) | 1988-01-27 |
Family
ID=30980243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10563086U Pending JPS6312414U (en) | 1986-07-11 | 1986-07-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6312414U (en) |
-
1986
- 1986-07-11 JP JP10563086U patent/JPS6312414U/ja active Pending
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