CN201047364Y - Tandem type multiple motor hydraulic circuit system - Google Patents
Tandem type multiple motor hydraulic circuit system Download PDFInfo
- Publication number
- CN201047364Y CN201047364Y CNU200720149329XU CN200720149329U CN201047364Y CN 201047364 Y CN201047364 Y CN 201047364Y CN U200720149329X U CNU200720149329X U CN U200720149329XU CN 200720149329 U CN200720149329 U CN 200720149329U CN 201047364 Y CN201047364 Y CN 201047364Y
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- oil
- flow pressure
- control valve
- gradient control
- changeable flow
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Abstract
The utility model provides a serial-connection type multi-motor hydraulic loop system, comprising a total oil inlet pipe, a total oil return pipe, at least two variable flux priority valves connected in series and at least two hydraulic motors respectively correspondingly connected and controlled, wherein, the total oil inlet pipe is connected with an oil inlet of the first variable flux priority valve; a shunt oil outlet of the first variable flux priority valve is connected with and controls the first hydraulic motor; an oil outlet of the first variable flux priority valve and an oil outlet of the first hydraulic motor are connected with an oil inlet of the subsequent variable flux priority valve; the shunt oil outlet of the variable priority valve is connected with and controls the corresponding hydraulic motor; the outlet of variable flux priority valve connected in series and the correspondingly connected and controlled hydraulic motor oil outlet are communicated with the total oil return pipe. The utility model has the advantages of the convenient adjustment of the rotation speed of the hydraulic motor controlled by the variable flux priority valve, ensuring the rotation speed adjusted by the motor to be kept constant in the operation process and meeting the technical requirement of the operation.
Description
Technical field
The utility model relates to a kind of tandem Thomas who adopts on farm machinery, the engineering machinery and reaches hydraulic circuit system.
Background technique
At present, on farm machinery, engineering machinery, the Thomas is reached the oil hydraulic circuit of series connection, mainly be that the rotating speed that solves a plurality of oil hydraulic motors is consistent substantially or rotating speed by a certain percentage keeps running, make workpiece rotating speed place that a plurality of motor drives within the required range, satisfy the needs of operation.Yet in many operation process, the rotating speed that requires each motor is different, also require simultaneously when different operating mode operation, the rotating speed of the workpiece of fluid motor-driven is adjusted, thereby needs speed governing easily, require in addition in operation process, do not change the rotating speed of the workpiece of fluid motor-driven, promptly wish still to keep original rotating speed because of the variation (as the change of engine speed) of main frame running.So existing hydraulic pressure series loop system is difficult to satisfy usage requirement.
Summary of the invention
The purpose of this utility model provides a kind of tandem Thomas and reaches hydraulic circuit system, it can be regulated within the specific limits according to driving the required rotating speed of workpiece, the priority traffic that mixes up simultaneously is not subjected to the influence of main frame operation operating mode, to satisfy actual usage requirement.
For achieving the above object, the utility model is taked following technological scheme:
A kind of tandem Thomas reaches hydraulic circuit system, the hydraulic pressure output system that it utilizes farm machinery, engineering machinery reaches the power source of oil hydraulic circuit as the series connection Thomas, and it comprises total oil inlet pipe, total return tube, at least two changeable flow pressure-gradient control valves that are connected in series and corresponding at least two oil hydraulic motors controlling that are connected respectively; Described oil-feed house steward connects the filler opening of first changeable flow pressure-gradient control valve, the shunting hydraulic fluid port of first changeable flow pressure-gradient control valve connects first oil hydraulic motor of control, the drain tap of this first changeable flow pressure-gradient control valve is connected the filler opening of next changeable flow pressure-gradient control valve with the output oil port of first oil hydraulic motor, the shunting hydraulic fluid port of this changeable flow pressure-gradient control valve connects the corresponding oil hydraulic motor of control, the relief port of the changeable flow pressure-gradient control valve that last is connected in series is communicated with total return tube with the corresponding oil hydraulic motor output oil port of control that is connected, has connected to form a kind of novel tandem Thomas's oil hydraulic circuit by this.
According to usage requirement can connect at least two oil hydraulic motors and two corresponding changeable flow pressure-gradient control valves, changeable flow pressure-gradient control valve of series connection on the oil hydraulic motor of each series connection.
Be to guarantee the oil hydraulic motor reliably working, the drain tap of first motor of series loop must connect drain mast, and the draining of motor is flowed back to fuel tank, avoids back pressure in the housing too high and from axle envelope draining, cause the oil hydraulic motor cisco unity malfunction.
Changeable flow pressure-gradient control valve in the utility model can preferentially be supplied with the motor desired flow that drives workpiece, this flow is regulated within the specific limits according to driving the required rotating speed of workpiece, the priority traffic that has mixed up simultaneously, be not subjected to the influence of main frame operation operating mode, so a kind of novel tandem Thomas reaches hydraulic circuit system great vitality in actual applications.
The utility model has the advantages that: pipeline connects easy to be flexible, the oil hydraulic motor rotational speed regulation of changeable flow pressure-gradient control valve control is convenient, and guarantee that the rotating speed that motor is adjusted remains unchanged in operation process, the rotating speed of guaranteeing the workpiece of fluid motor-driven is in optimum condition work all the time, to satisfy the operation technique requirement.
Description of drawings
Fig. 1 is a hydraulic circuit schematic representation of the present utility model.
Embodiment
Referring to shown in Figure 1, present embodiment two oil hydraulic motors of series connection and two changeable flow pressure-gradient control valves, connect oil-feed house steward 2 by oil hydraulic pump 1, this oil-feed house steward 2 is connected with the filler opening 3 of first changeable flow pressure-gradient control valve 4, the shunting hydraulic fluid port 5 of this first changeable flow pressure-gradient control valve 4 is connected with the input hydraulic fluid port 6 of first oil hydraulic motor 7 by oil pipe 20, the output oil port 8 of this first oil hydraulic motor 7 is connected with the filler opening 9 of second changeable flow pressure-gradient control valve 10 by oil pipe 18, and the earial drainage hydraulic fluid port 22 of first changeable flow pressure-gradient control valve 4 is by oil pipe 19 and import oil pipe 18 connections that the filler opening 9 of second changeable flow pressure-gradient control valve 10 is connected;
The shunting hydraulic fluid port 24 of second changeable flow pressure-gradient control valve 2 is connected with the input hydraulic fluid port 11 of second oil hydraulic motor 12 by oil pipe 14, the output oil port 13 of this second oil hydraulic motor 12 is connected with total return tube 21 by oil pipe 15, the earial drainage hydraulic fluid port 17 of second changeable flow pressure-gradient control valve 10 is connected with total return tube 21 by oil pipe 16, and this total return tube 21 is connected with oil purifier 25.
Be connected with oil discharge pipe 23 on first oil hydraulic motor 7, this oil discharge pipe (23) is connected with total return tube (21).
The utility model is applied on the sugarcane planting machine, kind is cut in first oil hydraulic motor 7 work, fertilizer is carried in second oil hydraulic motor 12 work, series connection by two changeable flow pressure-gradient control valves and two oil hydraulic motors, realized that sowing and fertilising operation move simultaneously, stop simultaneously, and guaranteed the sequential analysis of after planting applying fertilizer earlier.Can regulate application rate and dose respectively by the flow aperture that changes first changeable flow pressure-gradient control valve 7 (cutting kind) and second changeable flow pressure-gradient control valve 10 (fertilising), easy operation is flexible, has realized the step-less adjustment of application rate and dose.
Claims (3)
1. a tandem Thomas reaches hydraulic circuit system, it is characterized in that: it comprises that total oil inlet pipe, total return tube, at least two changeable flow pressure-gradient control valves that are connected in series are connected at least two oil hydraulic motors of control with the difference correspondence; Described oil-feed house steward connects the filler opening of first changeable flow pressure-gradient control valve, the shunting hydraulic fluid port of first changeable flow pressure-gradient control valve connects first oil hydraulic motor of control, the drain tap of this first changeable flow pressure-gradient control valve is connected the filler opening of next changeable flow pressure-gradient control valve with the output oil port of first oil hydraulic motor, the shunting hydraulic fluid port of this changeable flow pressure-gradient control valve connects the corresponding oil hydraulic motor of control, and the relief port of the changeable flow pressure-gradient control valve that last is connected in series is communicated with total return tube with the corresponding oil hydraulic motor output oil port that is connected control.
2. tandem Thomas according to claim 1 reaches hydraulic circuit system, it is characterized in that: described oil-feed house steward (2) is connected with the filler opening (3) of first changeable flow pressure-gradient control valve (4), the shunting hydraulic fluid port (5) of this first changeable flow pressure-gradient control valve (4) is connected with the input hydraulic fluid port (6) of first oil hydraulic motor (7) by oil pipe (20), the output oil port (8) of this first oil hydraulic motor (7) is connected with the filler opening (9) of second changeable flow pressure-gradient control valve (10) by oil pipe (18), and the earial drainage hydraulic fluid port (22) of first changeable flow pressure-gradient control valve (4) is communicated with the oil pipe (18) that the filler opening (9) of second changeable flow pressure-gradient control valve of input (10) is connected by oil pipe (19);
The shunting hydraulic fluid port (24) of second changeable flow pressure-gradient control valve (2) is connected with the input hydraulic fluid port (11) of second oil hydraulic motor (12) by oil pipe (14), the output oil port (13) of this second oil hydraulic motor (12) is connected with total return tube (21) by oil pipe (15), and the earial drainage hydraulic fluid port (17) of second changeable flow pressure-gradient control valve (10) is connected with total return tube (21) by oil pipe (16).
3. tandem Thomas according to claim 2 reaches hydraulic circuit system, it is characterized in that: be connected with oil discharge pipe (23) on first oil hydraulic motor (7), this oil discharge pipe (23) is connected with total return tube (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720149329XU CN201047364Y (en) | 2007-05-28 | 2007-05-28 | Tandem type multiple motor hydraulic circuit system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720149329XU CN201047364Y (en) | 2007-05-28 | 2007-05-28 | Tandem type multiple motor hydraulic circuit system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201047364Y true CN201047364Y (en) | 2008-04-16 |
Family
ID=39299944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720149329XU Expired - Fee Related CN201047364Y (en) | 2007-05-28 | 2007-05-28 | Tandem type multiple motor hydraulic circuit system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201047364Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102598933A (en) * | 2012-03-16 | 2012-07-25 | 广西钦州力顺机械有限公司 | Hydraulic, fertilizing, seed stem cutting and digitally-displayed speed regulation system of sugarcane planter |
| CN103224201A (en) * | 2013-04-16 | 2013-07-31 | 吕明俊 | Hydraulic multi-motor driving device of winch |
| CN104154063A (en) * | 2014-08-26 | 2014-11-19 | 河南科技大学 | Passage device hydraulic control system of cane harvester |
| CN105316994A (en) * | 2015-04-03 | 2016-02-10 | 汪泓 | Milling and digging device |
-
2007
- 2007-05-28 CN CNU200720149329XU patent/CN201047364Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102598933A (en) * | 2012-03-16 | 2012-07-25 | 广西钦州力顺机械有限公司 | Hydraulic, fertilizing, seed stem cutting and digitally-displayed speed regulation system of sugarcane planter |
| CN103224201A (en) * | 2013-04-16 | 2013-07-31 | 吕明俊 | Hydraulic multi-motor driving device of winch |
| CN103224201B (en) * | 2013-04-16 | 2015-12-30 | 吕明俊 | A kind of winch hydraulic multi-motor actuating device |
| CN104154063A (en) * | 2014-08-26 | 2014-11-19 | 河南科技大学 | Passage device hydraulic control system of cane harvester |
| CN104154063B (en) * | 2014-08-26 | 2017-04-12 | 河南科技大学 | Passage device hydraulic control system of cane harvester |
| CN105316994A (en) * | 2015-04-03 | 2016-02-10 | 汪泓 | Milling and digging device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: THE MENOBLE TECHNOLOGY CO., LTD. Free format text: FORMER NAME: MAE NORTHERN CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 100083, No. 1, North Beach, Desheng Gate, Beijing Patentee after: MAE Northern Co., Ltd. Address before: 100083, No. 1, North Beach, Desheng Gate, Beijing Patentee before: Beifang (Beijing) Farm Machinery Co., Ltd., Modern Farm Equipment |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080416 Termination date: 20130528 |