JPH03128882A - Power unit for hydraulic elevator - Google Patents

Power unit for hydraulic elevator

Info

Publication number
JPH03128882A
JPH03128882A JP26513889A JP26513889A JPH03128882A JP H03128882 A JPH03128882 A JP H03128882A JP 26513889 A JP26513889 A JP 26513889A JP 26513889 A JP26513889 A JP 26513889A JP H03128882 A JPH03128882 A JP H03128882A
Authority
JP
Japan
Prior art keywords
silencer
hydraulic
hydraulic pump
length
power unit
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
JP26513889A
Other languages
Japanese (ja)
Inventor
Yoshio Kamiya
神谷 代詞男
Yukihiro Takigawa
行洋 瀧川
Hiroshi Ushida
博 牛田
Tatsuo Miyake
三宅 立郎
Motoo Shimoaki
下秋 元雄
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP26513889A priority Critical patent/JPH03128882A/en
Publication of JPH03128882A publication Critical patent/JPH03128882A/en
Pending legal-status Critical Current

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  • Types And Forms Of Lifts (AREA)

Abstract

PURPOSE:To extend the length of the drum of a silencer to improve noise eliminating effect and reduce machine chamber space by forming a receiving space on the lower side part in an oil tank having a motor and a hydraulic pump dipped and received in an operating oil, and receiving and disposing the silencer along the longitudinal direction in this receiving space. CONSTITUTION:When a cage is raised, an operating oil 11 is sent out from a hydraulic pump 4 through a hydraulic valve 6, and when the cage is lowered, the operating oil 11 is reflexed into an oil tank 10 through the hydraulic valve 6 and the hydraulic pump 4. At this time, a silencer 7 is longitudinally received and disposed in a receiving space 14 to extend the length of the drum of the silencer 7. Hence, the length of the drum of the silencer 7 can be easily determined in such a manner that the peak of damping comes to the components 2f, 4f to standard frequency (f) of the pressure pulsation accompanying the rotation of the hydraulic pump 4.

Description

【発明の詳細な説明】 [産業上の利用分野] この発明は、油圧エレベータのパワーユニットに関し、
さらに詳しくいうと、作動油の中にモータと油圧ポンプ
を浸漬した、いわゆるサブマージン形のパワーユニット
に関するものである。
[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a power unit for a hydraulic elevator.
More specifically, it relates to a so-called sub-margin type power unit in which a motor and a hydraulic pump are immersed in hydraulic oil.

[従来の技術] 第3図は、例えば特開昭54−65956号公報に示さ
れた従来の油圧エレベータのパワーユニットを示し、油
タンク(1)が載置されたフレーム(2〉内に、モータ
(3)およびモータ(3〉で駆動される油圧ポンプ(4
)が収納され、油圧ポンプ(4〉の吐出管(5〉に接続
された油圧バルブ(6)から、油タンク(1)およびサ
イレンサ(7〉へ油路が配置されている。サイレンサ(
7〉は、その長手方向がモータ(3)の軸方向になるよ
うに配置されている。
[Prior Art] Fig. 3 shows a power unit of a conventional hydraulic elevator disclosed in, for example, Japanese Patent Application Laid-Open No. 54-65956, in which a motor is installed in a frame (2) on which an oil tank (1) is mounted. (3) and a hydraulic pump (4) driven by a motor (3).
) is stored, and an oil path is arranged from the hydraulic valve (6) connected to the discharge pipe (5>) of the hydraulic pump (4>) to the oil tank (1) and the silencer (7>.
7> is arranged so that its longitudinal direction is in the axial direction of the motor (3).

以上の構成により、油タンク(1)より油圧ポンプ(4
)で吸込まれた作動油は、サイレンサ(7)から油圧シ
リンダなどのアクチュエータへ圧送され、エレベータに
所定の動作を与える。
With the above configuration, the hydraulic pump (4) is connected to the oil tank (1).
) is pumped from the silencer (7) to an actuator such as a hydraulic cylinder, giving the elevator a predetermined operation.

サイレンサ(7)は、エレベータのカゴ内騒音や居室騒
音を低減する作用を有している。サイレンサ〈7)には
膨張形が多く用いられ、胴の長さにより吸収できる周波
数が変化する。
The silencer (7) has the function of reducing the noise inside the elevator car and the noise in the room. The expansion type silencer (7) is often used, and the frequency that can be absorbed changes depending on the length of the body.

[発明が鱗状しようとする課題] 以上のような従来の油圧エレベータのパワ−ユニットで
は、サイレンサの消音効果を良好にするためには、油圧
ポンプの回転によって発生する圧力脈動の基本周波数f
に対して、2f、4f戒分に減衰のピークがくるように
、サイレンサの胴の長さを決めるのが効果的であるが、
パワーユニットを収納する機械室の収納スペースの観点
から、サイレンサの胴を長くすることが難かしかった。
[Problems to be addressed by the invention] In the power unit of the conventional hydraulic elevator as described above, in order to improve the silencing effect of the silencer, it is necessary to adjust the fundamental frequency f of the pressure pulsation generated by the rotation of the hydraulic pump.
However, it is effective to determine the length of the silencer's body so that the attenuation peaks at 2f and 4f.
From the viewpoint of storage space in the machine room that houses the power unit, it was difficult to make the silencer body longer.

また、・前記の特開昭54−65956号公報に開示さ
れたように、サイレンサをフレームの外部に別個に設置
することも提案されているが、このようにすると、サイ
レンサの機械室床面への固定手段を配慮しなければなら
ず、かつ、接続配管が増え、据付は上およびコストの点
から得策ではない。
In addition, as disclosed in the above-mentioned Japanese Patent Application Laid-Open No. 54-65956, it has been proposed to install the silencer separately outside the frame, but in this case, the silencer is not exposed to the floor surface of the machine room. In addition, the number of connecting pipes increases, and installation is not a good idea from the viewpoint of cost and cost.

この発明は上記の課題を解決するためになされたもので
、機械室スペースを大きくすることなくサイレンサの胴
の長さを長くして、油圧ポンプの2f、4f成分に対し
て良好な消音効果が得られる油圧エレベータのパワーユ
ニットを得ることを目的とする。
This invention was made to solve the above problems, and it is possible to increase the length of the silencer body without enlarging the space in the machine room, thereby achieving a good silencing effect on the 2f and 4f components of the hydraulic pump. The purpose is to obtain a power unit for a hydraulic elevator.

[課題を解決するための手段] この発明に係る油圧エレベータユのパワーユニットは、
油タンク内の作動油にモータおよび油圧ポンプを浸漬配
置したサブマージ形とし、油タンク内の下側部を仕切っ
て形成した収納空間にサイレンサが収納されている。
[Means for Solving the Problems] A power unit for a hydraulic elevator according to the present invention has the following features:
It is of a submerged type, with the motor and hydraulic pump immersed in the hydraulic oil in the oil tank, and the silencer is housed in a storage space formed by partitioning off the lower part of the oil tank.

[作 用] この発明においては、パワーユニットをサブフジ形とし
たことにより、機械室スペースを小さくなしうる。また
、サイレンサを収納空間の長手方向に沿って収納配置す
ることにより、サイレンサの胴を長くすることができる
[Function] In the present invention, by making the power unit into a sub-fuji shape, the machine room space can be reduced. Further, by storing and arranging the silencer along the longitudinal direction of the storage space, the body of the silencer can be lengthened.

[実施例] 第1図、第2図はこの発明の一実施例を示し、図におい
て、ベース(8)上に支持台(9)を介して設置された
油タンク(10)に作動油〈11〉が収納されており、
モータ(3)は支持部材(12)により懸垂されて作動
油(11)中に浸漬されている。油ポンプ(4)はモー
タ(3)とともに作動油(11)中に浸漬配置されてい
る。油タンク(10)内の下側部には仕切部材(13)
により収納空間(14)が形成されており、サイレンサ
(7)は収納空間(14)内に、収納空間(14〉の長
平方向に沿って収納配置されている。サイレンサ(7)
には出口管(15〉が接続されている。
[Embodiment] FIGS. 1 and 2 show an embodiment of the present invention. In the figures, hydraulic oil is placed in an oil tank (10) installed on a base (8) via a support (9). 11〉 is stored,
The motor (3) is suspended by a support member (12) and immersed in hydraulic oil (11). The oil pump (4) and the motor (3) are immersed in hydraulic oil (11). A partition member (13) is installed on the lower side of the oil tank (10).
A storage space (14) is formed, and the silencer (7) is housed in the storage space (14) along the longitudinal direction of the storage space (14).The silencer (7)
is connected to an outlet pipe (15).

その他、第3図におけると同一符号は同一部分であり、
説明を省略する。
Other than that, the same symbols as in Fig. 3 are the same parts.
The explanation will be omitted.

以上の構成により、カゴ上昇時は油圧バルブ(6)を介
して油圧ポンプ(4)から作動油〈11)を送出し、カ
ゴ下降時には油圧バルブ(6)または油圧バルブ(6〉
と油圧ポンプ(4)を介して作動油(11〉を油タンク
(10)内に還流させる。
With the above configuration, when the car is raised, hydraulic oil (11) is sent from the hydraulic pump (4) via the hydraulic valve (6), and when the car is lowered, the hydraulic oil (11) is sent out from the hydraulic valve (6) or the hydraulic valve (6).
The hydraulic oil (11) is then returned to the oil tank (10) via the hydraulic pump (4).

ここで、機械室スペースを小さくできるサブフジ形に加
え、従来の油タンクの分だけ油タンク(10)を長くな
しうるので、サイレンサ(7)を収納空間(14)を長
手方向に収納配置することにより、サイレンサ(7)の
胴の長さを長くすることができる。そのため、油圧ポン
プ(4)の回転に伴う圧力脈動の基本周波数fに対する
2f、4f成分に減衰のピークがくるように、サイレン
サ(7)の胴の長さを容易に決めることができる。
Here, in addition to the sub-fuji shape that can reduce the machine room space, the oil tank (10) can be made longer by the length of the conventional oil tank, so the silencer (7) can be stored and arranged in the storage space (14) in the longitudinal direction. Therefore, the length of the body of the silencer (7) can be increased. Therefore, the length of the body of the silencer (7) can be easily determined so that the attenuation peaks at the 2f and 4f components with respect to the fundamental frequency f of the pressure pulsation accompanying the rotation of the hydraulic pump (4).

[発明の効果] この発明は、以上の説明から明らかなように、モータお
よび油圧ポンプを作動油に浸漬収納した油タンク内の下
側部に収納空間を形成し、この収納空間内に長手方向に
沿ってサイレンサを収納配置したので、サイレンサの胴
の長さを長くして消音効果を向上し、機械室スペースが
小で足り、コスト安となるなどの効果がある。
[Effects of the Invention] As is clear from the above description, the present invention forms a storage space in the lower part of an oil tank in which a motor and a hydraulic pump are immersed in hydraulic oil, and in this storage space, a longitudinal direction Since the silencer is housed and arranged along the length of the silencer body, the length of the silencer body is increased to improve the silencing effect, and the space required in the machine room is small, resulting in lower costs.

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

第1図はこの発明の一実施例の正断面図、第2図は第1
図のものの側断面図、第3図は従来の油圧エレベータの
パワーユニットの正面図である。 (3)・・モータ、(4〉・・油圧ポンプ、(6)・・
油圧バルブ、(7〉・・サイレンサ、〈10)・・油タ
ンク、(11〉・・作動油、(13)・・仕切部材、(
14)・・収納空間。 なお、各図面、同一符号は同−又は相当部分を示す。
FIG. 1 is a front sectional view of one embodiment of the present invention, and FIG.
FIG. 3 is a side sectional view of the figure, and FIG. 3 is a front view of a power unit of a conventional hydraulic elevator. (3)...Motor, (4>...Hydraulic pump, (6)...
Hydraulic valve, (7> Silencer, <10) Oil tank, (11> Hydraulic oil, (13) Partition member, (
14)...Storage space. In each drawing, the same reference numerals indicate the same or corresponding parts.

Claims (1)

【特許請求の範囲】 モータおよびこのモータで駆動される油圧ポンプと、こ
の油圧ポンプの油路中に介在された油圧バルブおよびサ
イレンサを備えた油圧エレベータのパワーユニットにお
いて、 前記モータおよび前記油圧ポンプを収納した油タンク内
の下側部に仕切部材によって形成された収納空間と、こ
の収納空間内に長手方向に沿って収納配置された前記サ
イレンサとを備えてなることを特徴とする油圧エレベー
タのパワーユニット。
[Scope of Claims] A power unit for a hydraulic elevator including a motor, a hydraulic pump driven by the motor, and a hydraulic valve and silencer interposed in an oil path of the hydraulic pump, wherein the motor and the hydraulic pump are housed. A power unit for a hydraulic elevator, comprising: a storage space formed by a partition member in a lower part of an oil tank; and the silencer housed in the storage space along the longitudinal direction.
JP26513889A 1989-10-13 1989-10-13 Power unit for hydraulic elevator Pending JPH03128882A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP26513889A JPH03128882A (en) 1989-10-13 1989-10-13 Power unit for hydraulic elevator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP26513889A JPH03128882A (en) 1989-10-13 1989-10-13 Power unit for hydraulic elevator

Publications (1)

Publication Number Publication Date
JPH03128882A true JPH03128882A (en) 1991-05-31

Family

ID=17413155

Family Applications (1)

Application Number Title Priority Date Filing Date
JP26513889A Pending JPH03128882A (en) 1989-10-13 1989-10-13 Power unit for hydraulic elevator

Country Status (1)

Country Link
JP (1) JPH03128882A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003002876A1 (en) * 2001-06-27 2003-01-09 Karasawa Fine., Ltd Booster

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003002876A1 (en) * 2001-06-27 2003-01-09 Karasawa Fine., Ltd Booster

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