CN111963501A - Simple synchronous shunting system - Google Patents
Simple synchronous shunting system Download PDFInfo
- Publication number
- CN111963501A CN111963501A CN202010938497.7A CN202010938497A CN111963501A CN 111963501 A CN111963501 A CN 111963501A CN 202010938497 A CN202010938497 A CN 202010938497A CN 111963501 A CN111963501 A CN 111963501A
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- Prior art keywords
- valve
- pipeline
- pressure compensation
- hydraulic motor
- synchronous flow
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 37
- 238000005553 drilling Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/026—Pressure compensating valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/028—Shuttle valves
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a simple synchronous flow dividing system which comprises a load sensitive pump, a synchronous flow dividing valve, a first hydraulic motor and a second hydraulic motor, wherein the synchronous flow dividing valve comprises a first pipeline, a first pressure compensation valve, a first electromagnetic reversing valve, a second pipeline, a second pressure compensation valve, a second electromagnetic reversing valve and a shuttle valve, oil inlets on two sides of the shuttle valve are respectively communicated with the first pipeline and the second pipeline, an oil outlet of the shuttle valve is respectively communicated with the first pressure compensation valve and the second pressure compensation valve, and the shuttle valve adjusts openings of the first pressure compensation valve and the second pressure compensation valve to be consistent, so that the flow rates of pressure oil passing through the shuttle valve are the same. The invention has the advantages of and the like.
Description
Technical Field
The invention belongs to the field of drilling machine application, and particularly relates to a simple synchronous flow dividing system.
Background
The traditional synchronous flow dividing system uses a flow dividing and collecting valve at present, and the load phase difference is large, so that the throttling and heating are large. The flow distributing precision of the flow distributing and collecting valve is difficult to ensure, the appearance volume is large, and the layout is inconvenient.
Disclosure of Invention
The simple synchronous shunting system has the advantages of simple structure, ingenious design, convenience in installation, energy consumption reduction, high control precision, timely feedback, convenience in adjustment, compact structure and convenience in layout.
In order to achieve the purpose, the invention adopts the following technical scheme: a simple synchronous flow dividing system comprises a load-sensitive pump, a synchronous flow dividing valve, a first hydraulic motor and a second hydraulic motor,
the oil outlet of the load sensitive pump is connected with the synchronous flow dividing valve,
the synchronous flow divider valve is respectively connected with the first hydraulic motor and the second hydraulic motor, and the flow of pressure oil entering the first hydraulic motor and the flow of pressure oil entering the second hydraulic motor are automatically controlled to be the same through the synchronous flow divider valve.
Further, the synchronous flow divider valve comprises a first pipeline, a first pressure compensation valve, a first electromagnetic directional valve, a second pipeline, a second pressure compensation valve, a second electromagnetic directional valve and a shuttle valve,
a pipeline connected with an oil outlet of the load sensitive pump is divided into the first pipeline and the second pipeline in the synchronous flow dividing valve,
the first pipeline is connected with the first hydraulic motor after sequentially passing through the first pressure compensation valve and the first electromagnetic directional valve,
the second pipeline is connected with the second hydraulic motor after sequentially passing through the second pressure compensation valve and the second electromagnetic directional valve,
oil inlets are respectively arranged at two sides of the shuttle valve, one oil inlet is communicated with the first pipeline, the other oil inlet is communicated with the second pipeline, the oil outlet of the shuttle valve is respectively communicated with the first pressure compensation valve and the second pressure compensation valve,
the shuttle valve respectively adjusts the opening of the first pressure compensation valve and the opening of the second pressure compensation valve to be consistent, so that the flow rates of the pressure oil respectively passing through the opening of the first pressure compensation valve and the opening of the second pressure compensation valve are the same. Furthermore, an oil inlet at one side of the shuttle valve is connected to the first pipeline between the first pressure compensation valve and the first electromagnetic directional valve, and an oil inlet at the other side of the shuttle valve is connected to the second pipeline between the second pressure compensation valve and the second electromagnetic directional valve.
Further, the LS port of the synchronous flow divider valve is directly communicated with the LS port of the load-sensitive pump.
Compared with the prior art, the invention has the following beneficial effects:
1. simple structure, ingenious design, and convenient industrial manufacture and large-scale popularization.
2. The control accuracy is high, be convenient for adjust, adopts shuttle valve and pressure compensating valve control, and the reposition of redundant personnel is more accurate.
3. The structure is compact, the layout is easy, the equipment structure of the drilling machine is more complex, and the volume is small, so that the equipment installation is more facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a simplified synchronous shunting system according to the present invention.
Reference numerals: the system comprises a load-sensitive pump 10, a synchronous flow divider valve 20, a first hydraulic motor 30, a second hydraulic motor 40, a first pipeline 21, a first pressure compensating valve 22, a first electromagnetic directional valve 23, a second pipeline 24, a second pressure compensating valve 25, a second electromagnetic directional valve 26 and a shuttle valve 27.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1, the present invention discloses a simplified synchronous flow dividing system including a load sensitive pump 10, a synchronous flow dividing valve 20, a first hydraulic motor 30 and a second hydraulic motor 40. The oil outlet of the load-sensitive pump 10 is connected with the synchronous diverter valve 20. The synchronous flow divider valve 20 is connected to the first hydraulic motor 30 and the second hydraulic motor 40, respectively, and the synchronous flow divider valve 20 automatically controls the flow rates of the pressure oil entering the first hydraulic motor 30 and the second hydraulic motor 40 to be the same.
In one embodiment, the synchronous flow diverter valve 20 includes a first conduit 21, a first pressure compensating valve 22, a first solenoid directional valve 23, a second conduit 24, a second pressure compensating valve 25, a second solenoid directional valve 26, and a shuttle valve 27. The pipeline connected with the oil outlet of the load-sensitive pump 10 is divided into the first pipeline 21 and the second pipeline 24 in the synchronous flow dividing valve 20. The first pipeline 21 passes through the first pressure compensation valve 22 and the first electromagnetic directional valve 23 in sequence and then is connected with the first hydraulic motor 30; the second pipe 24 passes through the second pressure compensating valve 25 and the second electromagnetic directional valve 26 in sequence, and then is connected to the second hydraulic motor 40.
The shuttle valve 27 has oil inlets at two sides, one of the oil inlets is communicated with the first pipeline 21, the other oil inlet is communicated with the second pipeline 24, and the oil outlet of the shuttle valve 27 is communicated with the first pressure compensation valve 22 and the second pressure compensation valve 25 respectively.
The shuttle valve 27 adjusts the opening of the first pressure compensating valve 22 and the opening of the second pressure compensating valve 25 to be consistent with each other, so that the flow rates of the pressure oil passing through the openings of the first pressure compensating valve 22 and the second pressure compensating valve 25 are the same.
In one embodiment, an oil inlet on one side of the shuttle valve 27 is connected to the first pipeline 21 between the first pressure compensation valve 22 and the first electromagnetic directional valve 23, and an oil inlet on the other side of the shuttle valve 27 is connected to the second pipeline 24 between the second pressure compensation valve 25 and the second electromagnetic directional valve 26.
In one embodiment, the LS port of the synchronous flow divider valve 20 is directly communicated with the LS port of the load-sensitive pump 10, and the feedback speed is high.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.
While embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and not to be construed as limiting the present invention, and that changes, modifications and variations may be made therein by those of ordinary skill in the art within the scope of the present invention.
Claims (4)
1. The utility model provides a synchronous reposition of redundant personnel system of plain type which characterized in that: which comprises a load-sensitive pump, a synchronous flow divider valve, a first hydraulic motor and a second hydraulic motor,
the oil outlet of the load sensitive pump is connected with the synchronous flow dividing valve,
the synchronous flow divider valve is respectively connected with the first hydraulic motor and the second hydraulic motor, and the flow of pressure oil entering the first hydraulic motor and the flow of pressure oil entering the second hydraulic motor are automatically controlled to be the same through the synchronous flow divider valve.
2. The simplified synchronous flow distribution system according to claim 1, wherein: the synchronous flow divider valve comprises a first pipeline, a first pressure compensation valve, a first electromagnetic directional valve, a second pipeline, a second pressure compensation valve, a second electromagnetic directional valve and a shuttle valve,
a pipeline connected with an oil outlet of the load sensitive pump is divided into the first pipeline and the second pipeline in the synchronous flow dividing valve,
the first pipeline is connected with the first hydraulic motor after sequentially passing through the first pressure compensation valve and the first electromagnetic directional valve,
the second pipeline is connected with the second hydraulic motor after sequentially passing through the second pressure compensation valve and the second electromagnetic directional valve,
oil inlets are respectively arranged at two sides of the shuttle valve, one oil inlet is communicated with the first pipeline, the other oil inlet is communicated with the second pipeline, the oil outlet of the shuttle valve is respectively communicated with the first pressure compensation valve and the second pressure compensation valve,
the shuttle valve respectively adjusts the opening of the first pressure compensation valve and the opening of the second pressure compensation valve to be consistent, so that the flow rates of the pressure oil respectively passing through the opening of the first pressure compensation valve and the opening of the second pressure compensation valve are the same.
3. The simplified synchronous flow splitting system of claim 2, wherein: an oil inlet at one side of the shuttle valve is connected to the first pipeline between the first pressure compensation valve and the first electromagnetic directional valve, and an oil inlet at the other side of the shuttle valve is connected to the second pipeline between the second pressure compensation valve and the second electromagnetic directional valve.
4. The simplified synchronous flow distribution system according to claim 1, wherein: and the LS port of the synchronous flow divider valve is directly communicated with the LS port of the load-sensitive pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010938497.7A CN111963501A (en) | 2020-09-09 | 2020-09-09 | Simple synchronous shunting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010938497.7A CN111963501A (en) | 2020-09-09 | 2020-09-09 | Simple synchronous shunting system |
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| Publication Number | Publication Date |
|---|---|
| CN111963501A true CN111963501A (en) | 2020-11-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202010938497.7A Pending CN111963501A (en) | 2020-09-09 | 2020-09-09 | Simple synchronous shunting system |
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| CN (1) | CN111963501A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267034A (en) * | 2013-05-10 | 2013-08-28 | 浙江大学 | Load sensitive hydraulic system with compensation valve energy recovery function |
| CN105300207A (en) * | 2015-10-27 | 2016-02-03 | 北京北矿亿博科技有限责任公司 | Hydraulic control system of pipe feeder of mixed loading explosive truck |
| CN106321539A (en) * | 2015-06-24 | 2017-01-11 | 徐工集团工程机械股份有限公司 | Method and system for electric proportional flow quantity distribution |
| CN107084167A (en) * | 2017-05-15 | 2017-08-22 | 秦皇岛首创思泰意达环保科技有限公司 | A kind of hydraulic control system and method for determining specific discharge output |
| CN107191423A (en) * | 2017-05-19 | 2017-09-22 | 徐州工业职业技术学院 | A kind of hydraulic synchronization control loop |
| CN107269604A (en) * | 2017-07-25 | 2017-10-20 | 江苏谷登工程机械装备有限公司 | A kind of crawler travel synchronous control system |
| US20200096022A1 (en) * | 2018-09-21 | 2020-03-26 | Eaton Intelligent Power Limited | Hydraulic fluid pressure compensator unit with integrated load sense and reverse flow checks |
| CN212536288U (en) * | 2020-09-09 | 2021-02-12 | 江苏谷登工程机械装备有限公司 | Simple synchronous shunting system |
-
2020
- 2020-09-09 CN CN202010938497.7A patent/CN111963501A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267034A (en) * | 2013-05-10 | 2013-08-28 | 浙江大学 | Load sensitive hydraulic system with compensation valve energy recovery function |
| CN106321539A (en) * | 2015-06-24 | 2017-01-11 | 徐工集团工程机械股份有限公司 | Method and system for electric proportional flow quantity distribution |
| CN105300207A (en) * | 2015-10-27 | 2016-02-03 | 北京北矿亿博科技有限责任公司 | Hydraulic control system of pipe feeder of mixed loading explosive truck |
| CN107084167A (en) * | 2017-05-15 | 2017-08-22 | 秦皇岛首创思泰意达环保科技有限公司 | A kind of hydraulic control system and method for determining specific discharge output |
| CN107191423A (en) * | 2017-05-19 | 2017-09-22 | 徐州工业职业技术学院 | A kind of hydraulic synchronization control loop |
| CN107269604A (en) * | 2017-07-25 | 2017-10-20 | 江苏谷登工程机械装备有限公司 | A kind of crawler travel synchronous control system |
| US20200096022A1 (en) * | 2018-09-21 | 2020-03-26 | Eaton Intelligent Power Limited | Hydraulic fluid pressure compensator unit with integrated load sense and reverse flow checks |
| CN212536288U (en) * | 2020-09-09 | 2021-02-12 | 江苏谷登工程机械装备有限公司 | Simple synchronous shunting system |
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