JP2790932B2 - Rake pipe type variable speed fluid coupling - Google Patents
Rake pipe type variable speed fluid couplingInfo
- Publication number
- JP2790932B2 JP2790932B2 JP3323137A JP32313791A JP2790932B2 JP 2790932 B2 JP2790932 B2 JP 2790932B2 JP 3323137 A JP3323137 A JP 3323137A JP 32313791 A JP32313791 A JP 32313791A JP 2790932 B2 JP2790932 B2 JP 2790932B2
- Authority
- JP
- Japan
- Prior art keywords
- rake
- rake pipe
- oil
- pipe
- fluid coupling
- 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 - Lifetime
Links
Landscapes
- Fluid-Pressure Circuits (AREA)
- General Details Of Gearings (AREA)
Description
【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION
【０００１】[0001]
【産業上の利用分野】本発明は、すくい管の先端位置を
変えることにより、速度制御を行うようにしたすくい管
式可変速流体継手に関するものである。 BACKGROUND OF THE INVENTION The present invention relates to a rake
Rake pipe that controls the speed by changing
The present invention relates to a variable speed fluid coupling.
【０００２】[0002]
【従来の技術】すくい管式流体継手として、たとえば、
特開平２−２４５５２３号公報に開示された可変速流体
継手が提案されている。 この可変速流体継手は、閉回路
における作動油入口回路に、作動油出口の油の温度によ
って流量を調整する温調弁を設け、作動油の循環量を調
整するようになっている。 2. Description of the Related Art As a rake pipe type fluid coupling, for example,
Variable speed fluid disclosed in JP-A-2-245523
Joints have been proposed. This variable speed fluid coupling has a closed circuit
The hydraulic oil inlet circuit at
Temperature control valve to adjust the flow rate, and
To be adjusted.
【０００３】このような可変速流体継手では、すくい管
の位置を変更した後、作動油の温度が変化するまでの
間、作動油の循環量が調整されないため、調整の遅れに
よる動力伝達効率の低下が発生する。 In such a variable speed fluid coupling, a rake pipe
After changing the position of
During the operation, the amount of hydraulic oil circulation is not adjusted.
As a result, a reduction in power transmission efficiency occurs.
【０００４】このような作動油循環量の調整の遅れを無
くすものとして、たとえば、実開昭５７−５８１３２号
に開示された可変速流体継手が提案されている。 この可
変速流体継手は、すくい管に流量調整弁を設け、すくい
管と流量調整弁を連動させ、作動油の循環流量を調整す
るようにしているので、流量調整のタイミングに遅れが
なく効率良く作動油の流量を調整することができる。 There is no such delay in adjusting the amount of hydraulic oil circulation.
For example, Japanese Utility Model Publication No. 57-58132
Discloses a variable speed fluid coupling. This is possible
The variable speed fluid coupling has a flow control valve on the rake pipe,
Adjust the circulation flow rate of hydraulic oil by linking the pipe and the flow control valve
Delay in the flow adjustment timing
It is possible to efficiently adjust the flow rate of the working oil without any problem.
【０００５】[0005]
【発明が解決しようとする課題】しかし、作動油は、温
度によってその性状が変わるため、単にすくい管と流量
調整弁を連動させ、作動油の流量を制御したのでは、流
体継手内の作動油に過不足が発生し、動力伝達効率が低
下することがある。 However, the operating oil is hot.
Since the properties change depending on the degree, simply make a rake pipe and flow rate
If the flow rate of hydraulic oil is controlled by linking the regulating valve,
Excess or deficiency of the hydraulic oil in the body coupling occurs, resulting in low power transmission efficiency
It may go down.
【０００６】上記の事情に鑑み、本発明の目的は、すく
い管と流量調整弁を連動させ、かつ、動力伝達効率の低
下を防止することができるすくい管式可変速流体継手を
提供することにある。 In view of the above circumstances, an object of the present invention is to
Pipe and the flow control valve are linked, and the power transmission efficiency is low.
Rake pipe type variable speed fluid coupling that can prevent
To provide.
【０００７】[0007]
【課題を解決するための手段】前記目的を達成するた
め、本発明は、すくい管を移動させることにより、出力
軸回転数を制御するすくい管式可変速流体継手におい
て、前記すくい管を移動させるすくい管操作機を設け、
前記すくい管の出口側と作動室の入口側とを接続する主
油回路の途中に、主油回路内を流れる油を冷却する油冷
却器と、前記すくい管出口と油冷却器の間で油の温度を
検出する温度センサと、油冷却器と作動室間の主油回路
内の圧力を調整するバイパスラインを設け、そのバイパ
スラインの途中に流量調整弁を設け、前記すくい管操作
機にすくい管の移動量を指令すると同時に、前記流量調
整弁に前記すくい管の移動量と前記温度センサの出力に
基づいて調整量を指令する中央制御装置を設けた。In order to achieve the above-mentioned object, the present invention provides a method for moving a rake tube to output power.
Rake-tube type variable-speed fluid coupling for controlling shaft rotation speed.
A rake pipe operating device for moving the rake pipe is provided,
The main connecting the outlet side of the rake pipe and the inlet side of the working chamber
Oil cooling to cool the oil flowing in the main oil circuit in the middle of the oil circuit
Oil temperature between the rake pipe outlet and the oil cooler.
Temperature sensor to detect and main oil circuit between oil cooler and working chamber
A bypass line is provided to regulate the internal pressure, and the bypass
A flow control valve is provided in the middle of the line to operate the rake pipe.
At the same time as instructing the machine to move the rake pipe,
The amount of movement of the rake pipe and the output of the temperature sensor
A central control device for instructing an adjustment amount based on the control value is provided .
【０００８】[0008]
【作用】すくい管を移動させるとき、その移動量と作動
油の温度の基づいて流量調整弁 の調整量を求め、流量調
整弁を作動させることにより、作動室内の作動油の量を
動力伝達に必要な最適に設定することができる。 [Action] When moving the rake tube, the amount of movement and operation
The amount of adjustment of the flow control valve is determined based on the oil temperature, and the
Activating the valve regulation reduces the amount of hydraulic oil in the working chamber.
It can be set optimally for power transmission.
【０００９】[0009]
【実施例】以下、本発明の実施例を図面により説明す
る。図１は、本発明の実施例を示す系統図である。Embodiments of the present invention will be described below with reference to the drawings. Figure 1 is a system diagram showing a real施例of the present invention.
【００１０】同図において、１は流体継手で、入力軸２
に取り付けられたポンプ羽根車３と、出力軸５に取り付
けられたタービン羽根車４で構成され、ポンプ羽根車３
とタービン羽根車４の対向面に作動室６が形成されてい
る。前記ポンプ羽根車３には、タービン羽根車４を囲う
ように形成された回転ドラム３ａが固定されている。In FIG . 1, reference numeral 1 denotes a fluid coupling, and an input shaft 2
Mounted on pump shaft 3 and output shaft 5
And the pump impeller 3
A working chamber 6 is formed on the surface facing the turbine wheel 4.
You. A rotary drum 3 a formed so as to surround the turbine impeller 4 is fixed to the pump impeller 3.
【００１１】７はすくい管で、一端が回転ドラム３ａ内
に位置するようにすくい管操作機１７に支持され、すく
い管操作機１７によってタービン羽根車４の半径方向に
移動させられる。８は主油回路で、すくい管７の出口と
作動室６の入口とを結んでいる。９は油冷却器で、主油
回路８中に設けられ、主油回路８を通る作動油を冷却す
る。 [0011] Reference numeral 7 denotes a rake tube, one end of which is inside the rotary drum 3a.
Is supported by the rake pipe operating device 17 so that
Pipe operating device 17 in the radial direction of the turbine impeller 4
Moved. 8 is a main oil circuit, which is connected to the outlet of the rake pipe 7
It is connected to the entrance of the working chamber 6. 9 is an oil cooler, the main oil
Cooling hydraulic oil provided in the circuit 8 and passing through the main oil circuit 8
You.
【００１２】１０はバイパスラインで、主油回路８の油
冷却器９と作動室６の入口の間に接続されている。１１
は圧力調整弁で、バイパスライン１０に設けられてい
る。１２は流量調整弁で、バイパスライン１０に圧力調
整弁１１と直列に設けられている。１３は温度センサ
で、すくい管７の出口と油冷却器９の入口の間に設けら
れている。 Reference numeral 10 denotes a bypass line, which is an oil in the main oil circuit 8.
It is connected between the cooler 9 and the inlet of the working chamber 6. 11
Is a pressure regulating valve, which is provided in the bypass line 10.
You. Reference numeral 12 denotes a flow control valve, which controls the pressure in the bypass line 10.
It is provided in series with the valve regulator 11. 13 is a temperature sensor
And provided between the outlet of the rake pipe 7 and the inlet of the oil cooler 9.
Have been.
【００１３】１６は中央制御装置で、すくい管操作機１
７と流量制御弁１２を制御する。また、この中央制御装
置１６には、温度センサ１３の出力が印加されるように
なっている。 Reference numeral 16 denotes a central control unit, which is a rake pipe operating machine 1
7 and the flow control valve 12 are controlled. Also, this central control unit
So that the output of the temperature sensor 13 is applied to the
Has become.
【００１４】このような構成で、出力軸５の回転数を変
える場合、中央制御装置１６からす くい管操作機１７に
すくい管７の移動指令を印加し、すくい管操作機１７で
すくい管７をタービン羽根車４の半径方向に移動させ
る。 With such a configuration, the rotation speed of the output shaft 5 is changed.
If it obtains, to the central controller 16 crow pile tube operating device 17
A movement command of the rake pipe 7 is applied, and the rake pipe operation device 17
Move the rake pipe 7 in the radial direction of the turbine impeller 4
You.
【００１５】この時、すくい管７の移動指令と温度セン
サ１７で検出した作動油の温度から作動油の必要流量を
求め、流量調整弁１２に調整を指令する。 At this time, the movement command of the rake pipe 7 and the temperature
The required flow rate of the hydraulic oil is determined based on the temperature of the hydraulic oil
Then, the adjustment is instructed to the flow control valve 12.
【００１６】前記のように、すくい管７の移動量だけで
なく、すくい管７を移動させるときの作動油の温度を検
出して、流量制御弁１２による作動油の流量を制御する
ことにより、作動油の温度に関わりなく常に最適な量の
作動油を循環させることができ、動力伝達効率の低下を
防止することができる。 As described above, only the moving amount of the rake pipe 7 is used.
Without detecting the temperature of the hydraulic oil when moving the rake pipe 7.
To control the flow rate of hydraulic oil by the flow control valve 12.
As a result, the optimum amount of oil is always
Hydraulic oil can be circulated, reducing power transmission efficiency
Can be prevented.
【００１７】[0017]
【発明の効果】以上説明した本発明によれば、すくい管
を移動させることにより、出力軸回転数を制御するすく
い管式可変速流体継手において、前記すくい管を移動さ
せるすくい管操作機を設け、前記すくい管の出口側と作
動室の入口側とを接続する主油回路の途中に、主油回路
内を流れる油を冷却する油冷却器と、前記すくい管出口
と油冷却器の間で油の温度を検出する温度センサと、油
冷却器と作動室間の主油回路内の圧力を調整するバイパ
スラインを設け、そのバイパスラインの途中に流量調整
弁を設け、前記すくい管操作機にすくい管の移動量を指
令すると同時に、前記流量調整弁に前記すくい管の移動
量と前記温度センサの出力に基づいて調整量を指令する
中央制御装置を設けたので、作動油の温度に関わりなく
常に最適な量の作動油を循環させることができ、動力伝
達効率の低下を防止することができる。 According to the present invention described above, a rake pipe
To control the output shaft speed by moving
The rake pipe is moved
A rake pipe operating device is provided to allow the rake pipe to communicate with the outlet side of the rake pipe.
In the middle of the main oil circuit connecting the inlet side of the moving chamber,
An oil cooler for cooling oil flowing through the inside, and the rake pipe outlet
A temperature sensor that detects the temperature of the oil between the oil cooler and
A bypass that regulates the pressure in the main oil circuit between the cooler and the working chamber
Sline is provided and flow rate is adjusted in the middle of the bypass line
A valve is provided, and the rake pipe operating device indicates the amount of movement of the rake pipe.
At the same time, the rake pipe moves to the flow control valve.
Command an adjustment amount based on the amount and the output of the temperature sensor
A central control unit is provided, regardless of the hydraulic oil temperature
The optimal amount of hydraulic oil can always be circulated,
It is possible to prevent the efficiency from decreasing.
【図１】本発明によるすくい管式可変速流体継手を示す
系統図である。 FIG. 1 shows a rake tube variable speed fluid coupling according to the present invention .
It is a system diagram.
【符号の説明】１…流体継手、７…すくい管、８…主油回路、９…油冷
却器、１０…バイパスライン、１２…流量調整弁、１３
…温度センサ、１６…中央制御装置、１７…す くい管操
作機。 [Description of Signs ] 1 ... Fluid coupling, 7 ... Rake pipe, 8 ... Main oil circuit, 9 ... Oil cooling
10 ... bypass line, 12 ... flow control valve, 13
... Temperature sensor, 16 ... central controller, 17 ... to pile tube Misao
Machine.
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.6，ＤＢ名) F16D 33/14 F16D 33/18──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. 6 , DB name) F16D 33/14 F16D 33/18
Claims (1)
軸回転数を制御するすくい管式可変速流体継手におい
て、前記すくい管を移動させるすくい管操作機を設け、
前記すくい管の出口側と作動室の入口側とを接続する主
油回路の途中に、主油回路内を流れる油を冷却する油冷
却器と、前記すくい管出口と油冷却器の間で油の温度を
検出する温度センサと、油冷却器と作動室間の主油回路
内の圧力を調整するバイパスラインを設け、そのバイパ
スラインの途中に流量調整弁を設け、前記すくい管操作
機にすくい管の移動量を指令すると同時に、前記流量調
整弁に前記すくい管の移動量と前記温度センサの出力に
基づいて調整量を指令する中央制御装置を設けたことを
特徴とするすくい管式可変速流体継手。 1. An output by moving a rake tube.
Rake-tube type variable-speed fluid coupling for controlling shaft rotation speed.
A rake pipe operating device for moving the rake pipe is provided,
The main connecting the outlet side of the rake pipe and the inlet side of the working chamber
Oil cooling to cool the oil flowing in the main oil circuit in the middle of the oil circuit
Oil temperature between the rake pipe outlet and the oil cooler.
Temperature sensor to detect and main oil circuit between oil cooler and working chamber
A bypass line is provided to regulate the internal pressure, and the bypass
A flow control valve is provided in the middle of the line to operate the rake pipe.
At the same time as instructing the machine to move the rake pipe,
The amount of movement of the rake pipe and the output of the temperature sensor
That a central control unit that commands the amount of adjustment based on
Rake tube type variable speed fluid coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3323137A JP2790932B2 (en) | 1991-12-06 | 1991-12-06 | Rake pipe type variable speed fluid coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3323137A JP2790932B2 (en) | 1991-12-06 | 1991-12-06 | Rake pipe type variable speed fluid coupling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05164153A JPH05164153A (en) | 1993-06-29 |
| JP2790932B2 true JP2790932B2 (en) | 1998-08-27 |
Family
ID=18151500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3323137A Expired - Lifetime JP2790932B2 (en) | 1991-12-06 | 1991-12-06 | Rake pipe type variable speed fluid coupling |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2790932B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101825166A (en) * | 2010-04-30 | 2010-09-08 | 中国北车集团大连机车研究所有限公司 | Variable-speed hydraulic coupler vertical turnover transmission device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5758132U (en) * | 1980-09-22 | 1982-04-06 | ||
| JPS61161431U (en) * | 1985-03-29 | 1986-10-06 | ||
| JPH02245523A (en) * | 1989-03-17 | 1990-10-01 | Hitachi Ltd | Variable speed fluid transmission |
-
1991
- 1991-12-06 JP JP3323137A patent/JP2790932B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH05164153A (en) | 1993-06-29 |
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