JP3184321B2 - Hydraulic circuit controller for multi-story parking machine - Google Patents
Hydraulic circuit controller for multi-story parking machineInfo
- Publication number
- JP3184321B2 JP3184321B2 JP22071692A JP22071692A JP3184321B2 JP 3184321 B2 JP3184321 B2 JP 3184321B2 JP 22071692 A JP22071692 A JP 22071692A JP 22071692 A JP22071692 A JP 22071692A JP 3184321 B2 JP3184321 B2 JP 3184321B2
- Authority
- JP
- Japan
- Prior art keywords
- platform
- hydraulic cylinder
- energized
- solenoid valve
- support member
- 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.)
- Expired - Fee Related
Links
Landscapes
- Fluid-Pressure Circuits (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、下車輌収容部と上車輌
収容部とにそれぞれ車輌を駐車可能に設けて単動形油圧
シリンダへの油の給排によって上車輌収容部のプラット
ホームを昇降作動可能に設けた立体駐車機のための油圧
回路制御装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle provided in a lower vehicle accommodating portion and an upper vehicle accommodating portion so as to be able to park, and a platform of the upper vehicle accommodating portion is moved up and down by supplying and discharging oil to a single-acting hydraulic cylinder. The present invention relates to a hydraulic circuit control device for an operable multi-story parking machine.
【０００２】[0002]
【従来の技術】本発明に先立って図１の（Ａ）に概要を
示す如き立体駐車機が考えられた。すなわち、占有する
土地面積を小さくするため、それぞれ車輌Ａ、Ｂを駐車
可能にする下車輌収容部１と上車輌収容部２を設け、上
車輌収容部２のプラットホーム３の幅方向の両側にそれ
ぞれ配置した二個の単動形油圧シリンダ４（図１の
（Ａ）では片側のみが図示されている。）への油の給排
によって単動形油圧シリンダ４を伸縮作動させると、プ
ラットホーム３の下面に当接する支持部材５が支点６を
中心に回動し、プラットホーム３を図示の上昇規定位置
とプラットホーム３が接地する下降位置との間を昇降作
動可能に設けている。そして、プラットホーム３の上昇
規定位置では支持部材５に設けたピン部材７にプラット
ホーム３に設けたフック部材８が係合する機械固定手段
によりプラットホーム３を固定して設け、プラットホー
ム３を上昇規定位置より下降作動するにはフック部材８
のピン部材７への係合を解き固定を解除するように設け
ている。2. Description of the Related Art Prior to the present invention, a multi-story parking machine as schematically shown in FIG. That is, in order to reduce the occupied land area, a lower vehicle accommodation section 1 and an upper vehicle accommodation section 2 for parking vehicles A and B respectively are provided, and both sides of the upper vehicle accommodation section 2 in the width direction of the platform 3 are respectively provided. When the single-acting hydraulic cylinder 4 is expanded and contracted by supplying and discharging oil to and from the two arranged single-acting hydraulic cylinders 4 (only one side is shown in FIG. 1A), the platform 3 The support member 5 abutting on the lower surface pivots about the fulcrum 6, and the platform 3 is provided so as to be able to move up and down between a specified elevation position shown and a lowered position where the platform 3 comes into contact with the ground. Then, the platform 3 is fixedly provided by a mechanical fixing means in which the hook member 8 provided on the platform 3 is engaged with the pin member 7 provided on the support member 5 at the prescribed elevation position of the platform 3, and the platform 3 is moved from the prescribed elevation position. Hook member 8 for lowering operation
Is disengaged from the pin member 7 to release the fixation.
【０００３】そして、この立体駐車機のための油圧回路
制御装置は図３に示す如き、電動機９を通電すると、油
圧ポンプ１０が駆動され、油圧ポンプ１０より吐出した
油は油路１１、逆止弁１２を流れ、分岐油路１３に配設
した常開型のパイロット操作切換弁１４を油路１１の圧
力により閉作動すると共に、単動形油圧シリンダ４へ供
給され、プラットホーム３を上昇作動する。そして、電
動機９を非通電にすると、油圧ポンプ１０が停止し、逆
止弁１２より油圧ポンプ１０側の油路１１の油が絞り１
５を配設した油路１６を流れて貯槽Ｔに排出され、パイ
ロット操作切換弁１４はばね力により開作動し、単動形
油圧シリンダ４の油が分岐油路１３、パイロット操作切
換弁１４を流れて貯槽Ｔに排出され、プラットホーム３
は下降作動する。このため、プラットホーム３が上昇規
定位置でピン部材７にフック部材８が係合して固定され
ないと、電動機９への非通電によりプラットホーム３が
下降作動してしまうため、操作者が視覚によりプラット
ホーム３が上昇規定位置で固定されたか否かの確認を確
実に行うことができるようにしている。When a motor 9 is energized, a hydraulic pump 10 is driven, and the oil discharged from the hydraulic pump 10 is supplied to an oil passage 11, as shown in FIG. The valve 12 flows through the valve 12, and the normally open pilot operation switching valve 14 disposed in the branch oil passage 13 is closed by the pressure of the oil passage 11, and is supplied to the single-acting hydraulic cylinder 4 to raise the platform 3. . When the motor 9 is de-energized, the hydraulic pump 10 stops, and the oil in the oil passage 11 on the hydraulic pump 10 side from the check valve 12 is reduced by the throttle 1.
The pilot operation switching valve 14 is opened by spring force, and the oil of the single-acting hydraulic cylinder 4 flows through the branch oil passage 13 and the pilot operation switching valve 14. It flows and is discharged to the storage tank T, and the platform 3
Operates downward. Therefore, if the platform 3 is not fixed by engaging the hook member 8 with the pin member 7 at the prescribed elevation position, the platform 3 is lowered by the non-energization of the electric motor 9, so that the operator can visually recognize the platform 3. It can be surely confirmed whether or not is fixed at the prescribed rising position.
【０００４】[0004]
【発明が解決しようとする課題】ところが、かかる従来
の構成では、電動機９への非通電によりパイロット操作
切換弁１４が開作動するため、例えばプラットホーム３
の下降作動中に子供が下車輌収容部１に入ったりした場
合には、電動機９を通電して油圧ポンプ１０より吐出す
る油によりパイロット操作切換弁１４を閉作動して単動
形油圧シリンダ４に油を供給してプラットホーム３を上
昇作動させるようにしているが、油路１１の油の一部が
絞り１５を配設した油路１６を流れて貯槽Ｔに排出され
てパイロット操作切換弁１４の閉作動する応答性が悪
く、いまだ満足できるものではない問題点があった。本
発明はかかる問題点を解決するもので、操作者が視覚に
より上車輌収容部のプラットホームが上昇規定位置で機
械固定手段により固定されたか否かの確認を確実に行う
ことができると共に、プラットホームの昇降作動の途中
位置でプラットホームを非常停止可能にした立体駐車機
のための油圧回路制御装置を提供するものである。However, in such a conventional configuration, the pilot operation switching valve 14 opens when the motor 9 is de-energized.
If the child enters the lower vehicle accommodating portion 1 during the lowering operation of the motor, the electric motor 9 is energized and the pilot operation switching valve 14 is closed by the oil discharged from the hydraulic pump 10 to operate the single-acting hydraulic cylinder 4. The platform 3 is raised by supplying oil to the oil passage. A portion of the oil in the oil passage 11 flows through the oil passage 16 provided with the throttle 15 and is discharged to the storage tank T, so that the pilot operation switching valve 14 However, there is a problem that the responsiveness of the closing operation is poor and is not yet satisfactory. The present invention solves such a problem, and enables the operator to visually confirm whether or not the platform of the upper vehicle storage section is fixed by the mechanical fixing means at the specified elevation position, and to ensure that the platform It is an object of the present invention to provide a hydraulic circuit control device for a multi-story parking machine in which a platform can be stopped at an intermediate position of a lifting operation.
【０００５】[0005]
【課題を解決するための手段】このため、本発明は、下
車輌収容部と上車輌収容部とにそれぞれ車輌を駐車可能
に設け、油の給排によって伸縮作動可能に単動形油圧シ
リンダを設け、単動形油圧シリンダの伸縮作動により支
点を中心に回動可能に支持部材を設け、支持部材の回動
により支持部材が下面に当接する上車輌収容部のプラッ
トホームを昇降作動可能に設け、プラットホームを上昇
規定位置で回動を停止した支持部材と係合して固定する
と共に、プラットホームの上昇規定位置よりの下降作動
時にプラットホームと支持部材との係合を解いて固定を
解除する機械固定手段を設けた立体駐車機のための油圧
回路制御装置であって、電動機により駆動されて油を吐
出する油圧ポンプと単動形油圧シリンダとの間を油路に
より接続して設け、油路に分岐接続して貯槽に接続する
分岐油路を設け、分岐油路に単動形油圧シリンダ側から
貯槽側への流れを阻止する非通電の第１位置と単動形油
圧シリンダ側と貯槽側とを連通する通電の第２位置とを
有する電磁弁を配設し、油路の分岐油路が分岐接続する
個所より油圧ポンプ側に油圧ポンプ側から単動形油圧シ
リンダ側への流れを許容しその逆方向の流れを阻止する
逆止弁を配設し、電動機を通電して電磁弁を非通電にし
たり電動機を非通電にして電磁弁を通電したりする操作
スイッチと、操作スイッチによる通電、非通電の操作に
かかわりなく電動機と電磁弁をともに非通電可能にする
非常停止スイッチとを電動機、電磁弁の電圧源に電気接
続して設けて成る。SUMMARY OF THE INVENTION Accordingly, the present invention provides a single-acting hydraulic cylinder which is provided in a lower vehicle accommodating portion and an upper vehicle accommodating portion so as to be able to park the vehicle, and is capable of expanding and contracting by supplying and discharging oil. And supported by the expansion and contraction operation of a single-acting hydraulic cylinder.
A support member is provided so as to be rotatable about a point, and the support member is rotated.
The support member is provided a platform on the vehicle housing portion vertically movably actuated to abut against the lower surface, raised defined position with engaged with the support member stops rotating to fix <br/> the platform, the elevation of the platform When lowering from the specified position, the platform and support member are disengaged and fixed.
A hydraulic circuit control device for a multi-story parking machine provided with a mechanical fixing means for releasing, wherein a hydraulic pump driven by an electric motor to discharge oil and a single-acting hydraulic cylinder are connected by an oil path. A non-energized first position and a single-acting hydraulic cylinder, which are provided with a branch oil passage branch-connected to the oil passage and connected to the storage tank, and which block the flow from the single-acting hydraulic cylinder side to the storage tank side in the branch oil passage. A solenoid valve having an energized second position communicating between the hydraulic pump and the storage tank side, and from the hydraulic pump side to the single-acting hydraulic cylinder side from the point where the branch oil path of the oil path branches and connects. An operation switch for disposing a check valve for allowing flow and preventing flow in the opposite direction, and for energizing the motor to de-energize the solenoid valve or de-energizing and energizing the solenoid valve; Electric regardless of whether the switch is energized or de-energized An electric motor and a emergency stop switch which together enable deenergized the solenoid valve, and is provided with electrical connection to a voltage source of the solenoid valve.
【０００６】[0006]
【作用】かかる本発明の構成において、操作スイッチに
より電動機を通電して電磁弁を非通電にすると、電磁弁
は第１位置で単動形油圧シリンダ側から貯槽側への流れ
を阻止し、電動機により駆動される油圧ポンプから吐出
した油は油路、逆止弁を流れて単動形油圧シリンダに供
給され、支持部材が支点を中心にして一方向に回動し、
プラットホームを上昇作動する。そして、操作スイッチ
により電動機を非通電にして電磁弁を通電すると、電磁
弁は第２位置になって単動形油圧シリンダ側と貯槽側と
を連通し、電動機は停止し、単動形油圧シリンダの油は
分岐油路、電磁弁を流れて貯槽に排出され、支持部材が
支点を中心にして前述と逆の他方向に回動し、プラット
ホームは下降作動する。このため、操作スイッチを電動
機を通電して電磁弁を非通電にした状態より電動機を非
通電にして電磁弁を通電した状態に操作したときに、プ
ラットホームが上昇規定位置で機械固定手段により回動
を停止した支持部材と係合して固定されていないと下降
作動するので、操作者が視覚によりプラットホームが上
昇規定位置で機械固定手段により固定されたか否かの確
認を確実に行うことができる。また、プラットホームの
昇降作動中に操作スイッチによる操作にかかわりなく非
常停止スイッチにより電動機と電磁弁をともに非通電に
すると、単動形油圧シリンダへの油の給排が停止されて
単動形油圧シリンダは伸縮動作を停止するから、プラッ
トホームはその位置で停止する。このため、プラットホ
ームの昇降作動の途中位置でプラットホームを非常停止
可能にすることができる。In the configuration of the present invention, when the motor is energized by the operation switch to de-energize the solenoid valve, the solenoid valve blocks the flow from the single-acting hydraulic cylinder side to the storage tank side at the first position, and The oil discharged from the hydraulic pump driven by the oil path flows through the oil passage and the check valve and is supplied to the single-acting hydraulic cylinder, and the support member rotates in one direction around the fulcrum,
Operates the platform up. Then, when the motor is de-energized by the operation switch and the solenoid valve is energized, the solenoid valve is in the second position and connects the single-acting hydraulic cylinder side to the storage tank side, the motor stops, and the single-acting hydraulic cylinder the oil branch oil passage is discharged to the reservoir flows through the solenoid valve, the support member
The platform rotates about the fulcrum in the other direction opposite to the above, and the platform moves downward. For this reason, when the operation switch is operated from the state where the electric motor is energized and the solenoid valve is de-energized to the state where the electric motor is de-energized and the solenoid valve is energized, the platform is rotated by the mechanical fixing means in the ascending specified position.
If the platform is not fixed by engaging with the stopped supporting member, the lowering operation is performed, so that the operator can visually confirm whether or not the platform is fixed by the mechanical fixing means at the specified elevation position. Furthermore, both when de-energized the electric motor and the solenoid valve by an emergency stop switch irrespective operation by the operation switch during lifting operation of the platform, supply and discharge of oil into the single acting hydraulic cylinder is stopped
Since the single-acting hydraulic cylinder stops the telescopic operation , the platform stops at that position. For this reason, the platform can be made to be able to be stopped at an intermediate position during the elevating operation of the platform.
【０００７】[0007]
【実施例】以下、本発明の一実施例を図１の（Ａ）、
（Ｂ）に基づいて説明するが、従来の技術と同一個所に
は同符号を付す。単動形油圧シリンダ４はシリンダ本体
を支柱１７に枢着すると共にロッドの先端を支持部材５
に枢着している。上車輌収容部２のプラットホーム３は
支柱１７に案内されて昇降作動可能に設けている。支持
部材５のプラットホーム３の下面に当接する先端にはロ
ーラー部材１８を設けている。ピン部材７は支持部材５
の先端側に固定して設けている。ピン部材７に係合する
フック部材８はプラットホーム３の側方に回動自在に設
け、ピン部材７への係合によりプラットホーム３を上昇
規定位置で固定すると共に、ピン部材７への係合を手動
により解くことでプラットホーム３の上昇規定位置での
固定を解除する機械固定手段を構成している。油圧ポン
プ１０を駆動する電動機９は交流電圧源１９と導線２０
により電気接続して設け、導線２０には後述詳記するリ
レー２１への通電により閉作動する常開型のリレースイ
ッチ２２を配設している。油圧ポンプ１０と単動形油圧
シリンダ４との間を接続する油路１１に分岐接続して貯
槽Ｔに接続する分岐油路１３には電磁弁２３を配設し、
電磁弁２３は単動形油圧シリンダ４側から貯槽Ｔ側への
流れを阻止する非通電の第１位置２３Ａと単動形油圧シ
リンダ４側と貯槽Ｔ側とを連通する通電の第２位置２３
Ｂとを有し、ばね２３Ｃ力により第１位置２３Ａに付勢
して設けている。An embodiment of the present invention will now be described with reference to FIG.
The description will be made based on FIG. 3B, but the same parts as those in the related art are denoted by the same reference numerals. The single-acting hydraulic cylinder 4 pivotally connects the cylinder body to the column 17 and attaches the tip of the rod to the supporting member 5.
Is pivoted to The platform 3 of the upper vehicle accommodating section 2 is provided so as to be able to move up and down by being guided by a support column 17. A roller member 18 is provided at a leading end of the support member 5 which contacts the lower surface of the platform 3. The pin member 7 is a support member 5
Is fixedly provided at the tip side of the. The hook member 8 that engages with the pin member 7 is provided rotatably on the side of the platform 3, and the engagement with the pin member 7 fixes the platform 3 at the specified elevation position, and also engages with the pin member 7. The mechanical fixing means is configured to release the fixing of the platform 3 at the predetermined prescribed position by being manually released. The electric motor 9 for driving the hydraulic pump 10 includes an AC voltage source 19 and a conductor 20.
A normally-open relay switch 22 is provided on the conducting wire 20 and closes by energizing a relay 21 described later. An electromagnetic valve 23 is disposed in a branch oil passage 13 that is branched and connected to an oil passage 11 that connects between the hydraulic pump 10 and the single-acting hydraulic cylinder 4 and that is connected to the storage tank T.
The solenoid valve 23 is a non-energized first position 23A for preventing the flow from the single-acting hydraulic cylinder 4 side to the storage tank T side, and an energized second position 23 for communicating the single-acting hydraulic cylinder 4 side to the storage tank T side.
B and is provided to be biased to the first position 23A by the force of the spring 23C.
【０００８】そして、電磁弁２３は交流電圧源１９と導
線２４により電気接続して設けている。導線２４に並列
的に分岐接続して導線２５を設け、導線２５には通電に
よりリレースイッチ２２を閉作動し非通電によりリレー
スイッチ２２を開作動するリレー２１を電気接続して設
けている。導線２４、２５には導線２４を閉作動して導
線２５を開作動したり導線２４を開作動して導線２５を
閉作動したりする操作スイッチ２６を配設し、操作スイ
ッチ２６により電動機９を通電して電磁弁２３を非通電
にしたり電動機９を非通電にして電磁弁２３を通電した
りするよう設けている。導線２４の導線２５が分岐接続
する個所より交流電圧源１９側に常閉型の非常停止スイ
ッチ２７を配設し、非常停止スイッチ２７の開作動によ
り操作スイッチ２６による通電、非通電の操作にかかわ
りなく電動機９と電磁弁２３をともに非通電可能に設け
ている。さらに、導線２４にはキーを差し込みして操作
することにより閉作動するキースイッチ２８を配設し、
キーを所有する操作者以外の者が勝手に操作できないよ
う設けている。油路１１の分岐油路１３が分岐接続する
個所より油圧ポンプ１０側に油圧ポンプ１０側から単動
形油圧シリンダ４側への流れを許容しその逆方向の流れ
を阻止する逆止弁１２を配設し、さらに、油路１１の逆
止弁１２を配設する個所より油圧ポンプ１０側に分岐接
続して貯槽Ｔに接続する油路２９を設け、この油路２９
に油圧ポンプ１０より吐出する油の圧力を設定するリリ
ーフ弁３０を配設している。The solenoid valve 23 is provided so as to be electrically connected to the AC voltage source 19 via a conductor 24. A conducting wire 25 is provided by branching and connecting to the conducting wire 24 in parallel. The conducting wire 25 is provided with a relay 21 electrically closed to operate the relay switch 22 when energized and opened to operate the relay switch 22 when not energized. An operation switch 26 for closing the conductor 24 to open the conductor 25 or opening the conductor 24 to close the conductor 25 is disposed on the conductors 24 and 25. The operation switch 26 controls the electric motor 9. The solenoid valve 23 is de-energized by energizing, or the solenoid valve 23 is energized by de-energizing the electric motor 9. A normally-closed emergency stop switch 27 is arranged on the side of the AC voltage source 19 from a point where the conductor 25 of the conductor 24 is branched and connected. The motor 9 and the solenoid valve 23 are both provided so as to be non-energizable. Further, a key switch 28 which is closed by operating a key inserted into the lead wire 24 is provided.
It is provided so that anyone other than the operator who owns the key cannot operate it without permission. A check valve 12 that allows the flow from the hydraulic pump 10 side to the single-acting hydraulic cylinder 4 side and prevents the flow in the opposite direction from the hydraulic pump 10 side to the hydraulic pump 10 side from the location where the branch oil path 13 of the oil path 11 is branched and connected. The oil passage 29 is further provided with an oil passage 29 branching from the place where the check valve 12 of the oil passage 11 is arranged to the hydraulic pump 10 side and connecting to the storage tank T.
A relief valve 30 for setting the pressure of the oil discharged from the hydraulic pump 10 is provided.
【０００９】次にかかる構成の作動を説明する。図１
は、下車輌収容部１と上車輌収容部２とにそれぞれ車輌
Ａ、Ｂを駐車した状態を示し、上車輌収容部２のプラッ
トホーム３はフック部材８がピン部材７に係合して上昇
規定位置で固定され、キースイッチ２８が開いており電
動機９と電磁弁２３をともに非通電にしており、油圧ポ
ンプ１０が停止し、電磁弁２３はばね２３Ｃ力により付
勢されて第１位置２３Ａにある。Next, the operation of the above configuration will be described. FIG.
Shows a state in which vehicles A and B are parked in the lower vehicle accommodating portion 1 and the upper vehicle accommodating portion 2, respectively, and the platform 3 of the upper vehicle accommodating portion 2 is defined by the hook member 8 engaging the pin member 7 and rising. Position, the key switch 28 is open, the electric motor 9 and the solenoid valve 23 are both de-energized, the hydraulic pump 10 is stopped, and the solenoid valve 23 is urged by a spring 23C to move to the first position 23A. is there.
【００１０】この状態より、車輌Ａを運転して下車輛収
容部１より移動し、操作者が手動によりフック部材８の
ピン部材７への係合を解き、キースイッチ２８にキーを
差し込みして操作すると、キースイッチ２８は閉作動
し、操作スイッチ２６は導線２４を閉作動して導線２５
を開作動する位置にあって電動機９を非通電にして電磁
弁２３を通電し、電磁弁２３は第２位置２３Ｂとなって
単動形油圧シリンダ４側と貯槽Ｔ側とを連通し、単動形
油圧シリンダ４の油はプラットホーム３及び車輛Ｂの重
量に基づく作用力により油路１１より分岐油路１３、電
磁弁２３を流れて貯槽Ｔに排出され、支持部材５が支点
６を中心にして図示右方向に回動し、プラットホーム３
は上昇規定位置より下降作動して接地する下降位置で停
止し、操作者がキーを戻し操作すると、キースイッチ２
８が開作動して電磁弁２３を非通電にし、キーをキース
イッチ２８より抜き取る。そして、プラットホーム３が
接地した下降位置にあるので、車輛Ｂを運転して上車輛
収容部２より移動することができる。In this state, the vehicle A is driven to move from the lower vehicle accommodating section 1, and the operator manually disengages the hook member 8 from the pin member 7 and inserts a key into the key switch 28 to insert the key. When operated, the key switch 28 is operated to close, and the operation switch 26 is operated to close the conductor 24 and the conductor 25
And the solenoid valve 23 is energized by turning off the electric motor 9 to energize the solenoid valve 23, and the solenoid valve 23 is in the second position 23B to communicate between the single-acting hydraulic cylinder 4 side and the storage tank T side. The oil of the dynamic hydraulic cylinder 4 flows from the oil passage 11 through the branch oil passage 13 and the solenoid valve 23 to the storage tank T by the action force based on the weight of the platform 3 and the vehicle B, and is discharged to the storage tank T. To the right in the figure,
When the operator returns from the specified ascent position and stops at the descending position where it touches down, the key switch 2
8 opens to de-energize the solenoid valve 23 and remove the key from the key switch 28. Then, since the platform 3 is at the descending position where it touches the ground, the vehicle B can be driven and moved from the upper vehicle accommodating section 2.
【００１１】プラットホーム３が接地した下降位置にあ
る状態で、再び車輛Ｂを運転して上車輛収容部２に駐車
し、操作者がキースイッチ２８にキーを差し込みして操
作するとキースイッチ２８は閉作動して、電磁弁２３を
通電し、この状態で、操作スイッチ２６を導線２４を開
作動して導線２５を閉作動するよう操作すると、電動機
９はリレー２１によりリレースイッチ２２が閉作動して
通電され油圧ポンプ１０を駆動し、電磁弁２３は非通電
で第１位置２３Ａとなって単動形油圧シリンダ４側から
貯槽Ｔ側への流れを阻止し、油圧ポンプ１０より吐出し
た油が油路１１、逆止弁１２を流れて単動形油圧シリン
ダ４に供給され、支持部材５が支点６を中心にして図示
左方向に図示状態に向けて回動し、プラットホーム３は
接地した下降位置より上昇作動してフック部材８がピン
部材７に係合する上昇規定位置で固定され、操作スイッ
チ２６を導線２４を閉作動して導線２５を開作動するよ
う操作すると、電動機９はリレー２１によりリレースイ
ッチ２２が開作動して非通電され油圧ポンプ１０を停止
し、電磁弁２３は通電で第２位置２３Ｂとなって単動形
油圧シリンダ４側と貯槽Ｔ側とを連通するが、プラット
ホーム３はフック部材８がピン部材７に係合して上昇規
定位置で固定されているので下降作動せず、単動形油圧
シリンダ４の油が貯槽Ｔに排出されることはない。そし
て、この後、操作者がキーを戻し操作すると、キースイ
ッチ２８が開作動して電磁弁２３を非通電にして第１位
置にし、キーをキースイッチ２８より抜き取る。When the platform 3 is in the lowered position where the platform 3 is in contact with the ground, the vehicle B is driven again to park the vehicle in the upper vehicle accommodating section 2, and when the operator inserts a key into the key switch 28 and operates it, the key switch 28 is closed. When the operation switch 26 is operated to open the conductor 24 and close the conductor 25 in this state, the relay 9 turns on the relay switch 22 by the relay 21. When energized to drive the hydraulic pump 10, the solenoid valve 23 is de-energized to the first position 23A to block the flow from the single-acting hydraulic cylinder 4 side to the storage tank T side, and the oil discharged from the hydraulic pump 10 The fluid is supplied to the single-acting hydraulic cylinder 4 through the passage 11 and the check valve 12, and the support member 5 is rotated around the fulcrum 6 in the leftward direction in the figure toward the illustrated state, and the platform 3 is in the grounded lower position. When the operation switch 26 is operated to close the conductor 24 and open the conductor 25, the electric motor 9 is turned on by the relay 21. The relay switch 22 is opened and de-energized to stop the hydraulic pump 10, and the solenoid valve 23 is energized to the second position 23B to connect the single-acting hydraulic cylinder 4 side to the storage tank T side. Since the hook member 8 is engaged with the pin member 7 and is fixed at the specified rising position, the hook member 8 does not descend and the oil of the single-acting hydraulic cylinder 4 is not discharged to the storage tank T. Then, when the operator returns the key, the key switch 28 is opened, the solenoid valve 23 is de-energized to the first position, and the key is removed from the key switch 28.
【００１２】かかる、操作スイッチ２６により電動機９
を通電して電磁弁２３を非通電にしたプラットホーム３
の上昇作動において、フック部材８がピン部材７に係合
する上昇規定位置までプラットホーム３が上昇していな
い状態で、操作スイッチ２６を電動機９を非通電にして
電磁弁２３を通電するよう操作すると、プラットホーム
３が下降作動するので、プラットホーム３が上昇規定位
置でフック部材８のピン部材７への係合により固定され
たか否かの確認を確実に行うことができると共に、プラ
ットホーム３の昇降作動中に操作スイッチ２６による操
作にかかわりなく常閉型の非常停止スイッチ２７を開作
動して電動機９と電磁弁２３をともに非通電にすると、
油圧ポンプ１０が停止して電磁弁２３が第１位置２３Ａ
になって、単動形油圧シリンダ４への油の給排が停止さ
れて単動形油圧シリンダ４は伸縮作動を停止し、プラッ
トホーム３はその位置で停止するため、プラットホーム
３の昇降作動の途中位置でプラットホーム３を非常停止
可能にできて安全性を向上することができる。また、従
来の装置の如き、絞りを配設した油路を設ける必要がな
いため、油圧回路構成の簡素化が図れると共に、プラッ
トホーム３の上昇作動において油圧ポンプ１０から吐出
した油を全量単動形油圧シリンダへ供給できてその作動
効率を良好に向上することができる。The operation switch 26 allows the electric motor 9 to be operated.
3 in which solenoid is energized to de-energize solenoid valve 23
When the operation switch 26 is de-energized and the electromagnetic valve 23 is energized while the platform 3 is not raised to the specified elevation position where the hook member 8 is engaged with the pin member 7, Since the platform 3 is lowered, it is possible to reliably confirm whether or not the platform 3 is fixed by the engagement of the hook member 8 with the pin member 7 at the specified elevation position, and during the raising and lowering operation of the platform 3 When the normally-closed emergency stop switch 27 is opened and the electric motor 9 and the solenoid valve 23 are de-energized regardless of the operation by the operation switch 26,
The hydraulic pump 10 stops, and the solenoid valve 23 moves to the first position 23A.
Turned in, the single-acting hydraulic cylinder 4 stops stretching operation is oil supply and discharge is stopped to single acting hydraulic cylinder 4, the platform 3 is to stop at that position, during the lifting operation of the platform 3 The platform 3 can be made to be able to make an emergency stop at the position, and safety can be improved. Further, unlike the conventional device, it is not necessary to provide an oil passage provided with a throttle, so that the hydraulic circuit configuration can be simplified, and the oil discharged from the hydraulic pump 10 during the raising operation of the platform 3 is entirely single-acting. The hydraulic cylinder can be supplied to the hydraulic cylinder and its operation efficiency can be improved satisfactorily.
【００１３】図２は本発明の他実施例を示し、一実施例
と同一個所には同符号を付して説明を省略し、異る個所
についてのみ説明する。電磁弁２３と交流電圧源１９と
を電気接続する導線２４に並列的に分岐接続して導線３
１を設け、導線３１に電動機９を電気接続して設けてい
る。導線２４、３１には導線２４を閉作動して導線３１
を開作動したり導線２４を開作動して導線３１を閉作動
したりする操作スイッチ３２を配設し、操作スイッチ３
２により電動機９を通電して電磁弁２３を非通電にした
り電動機９を非通電にして電磁弁２３を通電したりする
よう設けている。かかる構成において、一実施例と同様
の作動、作用効果を得ることができる。FIG. 2 shows another embodiment of the present invention. The same portions as those in one embodiment are denoted by the same reference numerals, and the description thereof will be omitted. Only different portions will be described. The solenoid valve 23 and the AC voltage source 19 are connected in parallel to a conductor 24 for electrical connection, and the conductor 3
1 is provided, and the electric motor 9 is electrically connected to the conductor 31. The conductors 24 and 31 are closed by operating the conductor 24.
And an operation switch 32 that opens the conductor 24 and opens the conductor 24 to close the conductor 31.
2, the electric motor 9 is energized to de-energize the electromagnetic valve 23, or the electric motor 9 is de-energized to energize the electromagnetic valve 23. In such a configuration, the same operation and effect as those of the embodiment can be obtained.
【００１４】尚、本実施例では、上車輛収容部２のプラ
ットホーム３が支柱１７に案内されて昇降作動する立体
駐車機に適用したが、これに限定されるものではなく、
例えば、プラットホームが支点を中心に傾動するよう昇
降作動する立体駐車機に適用しても良いことは勿論であ
る。また、電圧源として直流電圧源を用いても良い。In the present embodiment, the platform 3 of the upper vehicle accommodating section 2 is applied to a multi-story parking machine which is guided by the columns 17 and operates up and down. However, the present invention is not limited to this.
For example, it is a matter of course that the present invention may be applied to a multi-story parking machine that moves up and down so that the platform tilts about a fulcrum. Further, a DC voltage source may be used as the voltage source.
【００１５】[0015]
【発明の効果】このように、本発明は、下車輌収容部と
上車輌収容部とにそれぞれ車輌を駐車可能に設け、油の
給排によって伸縮作動可能に単動形油圧シリンダを設
け、単動形油圧シリンダの伸縮作動により支点を中心に
回動可能に支持部材を設け、支持部材の回動により支持
部材が下面に当接する上車輌収容部のプラットホームを
昇降作動可能に設け、プラットホームを上昇規定位置で
回動を停止した支持部材と係合して固定すると共に、プ
ラットホームの上昇規定位置よりの下降作動時にプラッ
トホームと支持部材との係合を解いて固定を解除する機
械固定手段を設けた立体駐車機のための油圧回路制御装
置であって、電動機により駆動されて油を吐出する油圧
ポンプと単動形油圧シリンダとの間を油路により接続し
て設け、油路に分岐接続して貯槽に接続する分岐油路を
設け、分岐油路に単動形油圧シリンダ側から貯槽側への
流れを阻止する非通電の第１位置と単動形油圧シリンダ
側と貯槽側とを連通する通電の第２位置とを有する電磁
弁を配設し、油路の分岐油路が分岐接続する個所より油
圧ポンプ側に油圧ポンプ側から単動形油圧シリンダ側へ
の流れを許容しその逆方向の流れを阻止する逆止弁を配
設し、電動機を通電して電磁弁を非通電にしたり電動機
を非通電にして電磁弁を通電したりする操作スイッチ
と、操作スイッチによる通電、非通電の操作にかかわり
なく電動機と電磁弁をともに非通電可能にする非常停止
スイッチとを電動機、電磁弁の電圧源に電気接続して設
けたことにより、操作者が視覚により上車輛収容部のプ
ラットホームが上昇規定位置で機械固定手段により固定
されたか否かの確認を確実に行うことができると共に、
非常停止スイッチにより電動機と電磁弁をともに非通電
にすると、単動形油圧シリンダへの油の給排が停止され
て単動形油圧シリンダは伸縮動作を停止するから、プラ
ットホームの昇降作動の途中位置でプラットホームを非
常停止可能にできて安全性を向上することができる。ま
た、従来の装置の如き、絞りを配設した油路を設ける必
要がないため、油圧回路構成の簡素化が図れると共に、
プラットホームの上昇作動において油圧ポンプから吐出
した油を全量単動形油圧シリンダへ供給できてその作動
効率を良好に向上することができる効果を有する。As described above, according to the present invention , the single-acting hydraulic cylinder is provided so that the vehicle can be parked in the lower vehicle accommodating portion and the upper vehicle accommodating portion, and can be extended and contracted by supplying and discharging oil.
Around the fulcrum due to the expansion and contraction of the single-acting hydraulic cylinder.
A rotatable support member is provided and supported by the rotation of the support member.
The platform of the upper vehicle storage part where the member contacts the lower surface is provided so that it can be raised and lowered, and the platform is
It is fixed engages with a support member that has stopped rotating, platforms during lowering operation than rising defined position of the platform
A hydraulic circuit control system for a multilevel parking apparatus in which a machine <br/>械fixing means for releasing the fixing by solving the engagement between Tohomu the support member, oil pressure is driven by electric motors to discharge the oil The pump and the single-acting hydraulic cylinder are connected by an oil passage, provided with a branch oil passage that is branched and connected to the oil passage and connected to the storage tank, and the branch oil passage is from the single-acting hydraulic cylinder side to the storage tank side. A solenoid valve having a non-energized first position for preventing the flow of fluid and a second energized position for communicating between the single-acting hydraulic cylinder side and the storage tank side is provided, and the branch oil path of the oil path is branched and connected. A check valve that allows the flow from the hydraulic pump side to the single-acting hydraulic cylinder side and blocks the flow in the opposite direction is provided on the hydraulic pump side from the location, and the motor is energized to de-energize the solenoid valve. An operation switch for turning on the solenoid valve by turning off the motor and an operation switch An emergency stop switch that enables both the motor and the solenoid valve to be de-energized regardless of whether the motor is energized or de-energized by an electric motor and a voltage source of the solenoid valve is provided so that the operator can visually recognize the upper vehicle. It is possible to reliably confirm whether the platform of the storage unit is fixed by the mechanical fixing means in the ascending specified position,
Both the motor and solenoid valve are de-energized by the emergency stop switch
, The supply / discharge of oil to the single-acting hydraulic cylinder is stopped.
As a result, the single-acting hydraulic cylinder stops the extension / retraction operation , so that the platform can be made to be able to make an emergency stop at a position midway in the elevating operation of the platform, thereby improving safety. Further, unlike the conventional device, there is no need to provide an oil passage provided with a throttle, so that the hydraulic circuit configuration can be simplified and
The entire amount of oil discharged from the hydraulic pump during the raising operation of the platform can be supplied to the single-acting hydraulic cylinder, and the operation efficiency can be improved satisfactorily.
【図面の簡単な説明】[Brief description of the drawings]
【図１】（Ａ）は本発明が適用される立体駐車機の一例
を示す側面図、（Ｂ）は本発明の一実施例を油圧回路図
と電気回路図とを交えて示す構成説明図である。FIG. 1A is a side view showing an example of a multi-story parking machine to which the present invention is applied, and FIG. 1B is a configuration explanatory view showing an embodiment of the present invention using a hydraulic circuit diagram and an electric circuit diagram. It is.
【図２】本発明の他実施例を示す構成説明図である。FIG. 2 is a configuration explanatory view showing another embodiment of the present invention.
【図３】従来例を示す油圧回路図である。FIG. 3 is a hydraulic circuit diagram showing a conventional example.
１下車輛収容部 ２上車輛収容部 ３プラットホーム ４単動形油圧シリンダ ９電動機 １０油圧ポンプ １１油路 １２逆止弁 １３分岐油路 １９交流電圧源 ２３電磁弁 ２３Ａ第１位置 ２３Ｂ第２位置 ２６、３２操作スイッチ ２７非常停止スイッチ Ａ、Ｂ車輛 1 Lower vehicle accommodation section 2 Upper vehicle accommodation section 3 Platform 4 Single-acting hydraulic cylinder 9 Electric motor 10 Hydraulic pump 11 Oil passage 12 Check valve 13 Branch oil passage 19 AC voltage source 23 Solenoid valve 23A First position 23B Second position 26 , 32 operation switch 27 emergency stop switch A, B vehicles
Claims (1)
れ車輌を駐車可能に設け、油の給排によって伸縮作動可
能に単動形油圧シリンダを設け、単動形油圧シリンダの
伸縮作動により支点を中心に回動可能に支持部材を設
け、支持部材の回動により支持部材が下面に当接する上
車輌収容部のプラットホームを昇降作動可能に設け、プ
ラットホームを上昇規定位置で回動を停止した支持部材
と係合して固定すると共に、プラットホームの上昇規定
位置よりの下降作動時にプラットホームと支持部材との
係合を解いて固定を解除する機械固定手段を設けた立体
駐車機のための油圧回路制御装置であって、電動機によ
り駆動されて油を吐出する油圧ポンプと単動形油圧シリ
ンダとの間を油路により接続して設け、油路に分岐接続
して貯槽に接続する分岐油路を設け、分岐油路に単動形
油圧シリンダ側から貯槽側への流れを阻止する非通電の
第１位置と単動形油圧シリンダ側と貯槽側とを連通する
通電の第２位置とを有する電磁弁を配設し、油路の分岐
油路が分岐接続する個所より油圧ポンプ側に油圧ポンプ
側から単動形油圧シリンダ側への流れを許容しその逆方
向の流れを阻止する逆止弁を配設し、電動機を通電して
電磁弁を非通電にしたり電動機を非通電にして電磁弁を
通電したりする操作スイッチと、操作スイッチによる通
電、非通電の操作にかかわりなく電動機と電磁弁をとも
に非通電可能にする非常停止スイッチとを電動機、電磁
弁の電圧源に電気接続して設けて成る立体駐車機のため
の油圧回路制御装置。1. A vehicle can be parked in each of a lower vehicle accommodating portion and an upper vehicle accommodating portion, and can be expanded and contracted by supplying and discharging oil.
A single-acting hydraulic cylinder is provided for the
A support member is provided so that it can rotate around the fulcrum by extension and contraction.
The support member is provided such that the platform of the upper vehicle accommodating portion, in which the support member comes into contact with the lower surface by the rotation of the support member, can be moved up and down, and the platform stops rotating at the prescribed elevation position.
And with engaging fixed, the platform and the support member during lowering operation than rising defined position of the platform
A hydraulic circuit control system for a multilevel parking apparatus having a mechanical fastening means for releasing the fixing by solving the engagement, between the hydraulic pump and the single-acting hydraulic cylinder which is driven by electric motors to discharge the oil A non-energized first position that is connected by an oil passage, is provided with a branch oil passage that is branched and connected to the oil passage and connected to the storage tank, and blocks a flow from the single-acting hydraulic cylinder side to the storage tank side in the branch oil passage. A solenoid valve having a second position for energization that communicates with the single-acting hydraulic cylinder side and the storage tank side. A check valve is provided to allow the flow to the dynamic hydraulic cylinder side and prevent the flow in the opposite direction, and to energize the motor to de-energize the solenoid valve or de-energize the motor to energize the solenoid valve. Operation switch, and energized / de-energized operation by the operation switch A hydraulic circuit control system for the involvement without motor and motor and emergency stop switch for the electromagnetic valve are both possible de-energized, multilevel parking apparatus comprising providing electrically connected to a voltage source of the solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22071692A JP3184321B2 (en) | 1992-07-27 | 1992-07-27 | Hydraulic circuit controller for multi-story parking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22071692A JP3184321B2 (en) | 1992-07-27 | 1992-07-27 | Hydraulic circuit controller for multi-story parking machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0648700A JPH0648700A (en) | 1994-02-22 |
| JP3184321B2 true JP3184321B2 (en) | 2001-07-09 |
Family
ID=16755397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22071692A Expired - Fee Related JP3184321B2 (en) | 1992-07-27 | 1992-07-27 | Hydraulic circuit controller for multi-story parking machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3184321B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107345453A (en) * | 2017-02-15 | 2017-11-14 | 曾伟麟 | Four parking stalls of hydraulic lifting bilayer |
-
1992
- 1992-07-27 JP JP22071692A patent/JP3184321B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107345453A (en) * | 2017-02-15 | 2017-11-14 | 曾伟麟 | Four parking stalls of hydraulic lifting bilayer |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0648700A (en) | 1994-02-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |