CN202012095U - Movable arm hydraulic energy saving control device for loading machine - Google Patents
Movable arm hydraulic energy saving control device for loading machine Download PDFInfo
- Publication number
- CN202012095U CN202012095U CN2011200666298U CN201120066629U CN202012095U CN 202012095 U CN202012095 U CN 202012095U CN 2011200666298 U CN2011200666298 U CN 2011200666298U CN 201120066629 U CN201120066629 U CN 201120066629U CN 202012095 U CN202012095 U CN 202012095U
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- Prior art keywords
- arm hydraulic
- valve
- swing arm
- hydraulic jack
- saving control
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Abstract
The utility model provides a movable arm hydraulic energy saving control device for a loading machine, the movable arm double valve core hydraulic energy saving control system for a loading machine comprises a movable arm hydraulic oil cylinder, a detection valve, a control valve, a pressure controller, and a flow controller, the pressure controller is connected with a rod cavity of the moveable arm hydraulic oil cylinder via the detection valve, and the flow controller is connected with a non-rod cavity of the moveable arm hydraulic oil cylinder via the detection valve. The moveable arm hydraulic energy saving control device in the utility model is advantaged by simple structure, reliable work, good universality and stability, low manufacture cost, and low energy loss in use process.
Description
Technical field
The utility model relates to a kind of hydraulic energy-saving control device, especially relates to a kind of loading arm double spool hydraulic energy-saving control device.
Background technology
The oil inlet and outlet control of tradition reversal valve is undertaken by a spool, it is definite that the opening corresponding relation of two hydraulic fluid ports adds man-hour as far back as spool design, can not revise in use, thus the feasible independent control that can not be independent of each other by the flow or the pressure of two hydraulic fluid ports, the energy consumption height.
The utility model content
The purpose of this utility model is can not revise in order to solve in the existing reversal valve control procedure two hydraulic fluid port corresponding relations, and the problem that energy consumption is high provides a kind of loading arm double spool hydraulic energy-saving control device.
The technical solution of the utility model is: it comprises the swing arm hydraulic jack, detects valve, control valve, pressure controller, flow control valve, pressure controller links to each other with the rod chamber of swing arm hydraulic jack by detecting valve, and flow control valve links to each other by the rodless cavity of control valve with the swing arm hydraulic jack; Described control valve all has " double spool " structure with the detection valve.
The loading arm double spool hydraulic energy-saving control device course of work of the utility model is:
In loading arm lifting process, loading arm, bunker is under the deadweight effect, the swing arm hydraulic jack is in pressured state, the piston motion direction is for making progress, at this moment, control the movement velocity of oil cylinder piston by swing arm hydraulic jack rodless cavity hydraulic fluid flow rate, the control of hydraulic fluid flow rate size, be that pressure at both sides difference signal before and after the control valve is fed back to flow control valve, then, by flow control valve the control valve openings of sizes is adjusted to the appropriate location, make by control valve hydraulic fluid flow rate by requirement flow into the flow size of rodless cavity, realize hydraulic oil is entered the control of swing arm hydraulic jack rodless cavity flow with this; For swing arm hydraulic jack rod chamber, at first the pressure signal with swing arm hydraulic jack rod chamber feeds back to pressure controller, then, detect the valve openings of sizes, make the interior hydraulic fluid pressure of swing arm hydraulic jack rod chamber reach needed desired value by the pressure controller adjustment;
In the swing arm decline process, when load direction is downward, also be that the load direction of swing arm hydraulic jack is when consistent with the direction of motion, the concrete steps of control are, automatically descended in downward deadweight component effect by swing arm and bunker, at this moment only need to the repairing of swing arm hydraulic jack rod chamber, to prevent cavitation erosion; To detect the piston pressure at both sides poor by detecting valve, and the pressure signal of rod chamber is fed back to pressure controller, then, detects the valve openings of sizes by the pressure controller adjustment, makes the size that flows into hydraulic fluid pressure in the rod chamber meet desired value; When load direction makes progress, also be that the load direction of swing arm hydraulic jack is when opposite with the direction of motion, thereby enter the movement velocity of the hydraulic fluid flow rate control swing arm hydraulic cylinder piston of swing arm hydraulic jack rod chamber by control, the rodless cavity pressurized is fuel-displaced, but guarantees that its pressure size meets desired value.
The utility model is simple in structure, and by swing arm hydraulic jack oil inlet and outlet being carried out the control of pressure, flow or pressure and flow combination, can realize needing in traditional banked direction control valves control system to increase the function that many extra control valves could be realized or be difficult to realize easily.Like this, can reduce on the one hand the kind of banked direction control valves, reduce cost and be beneficial to tissue, management; Can simplify design of Hydraulic System on the other hand, improve system's versatility, and improve the stability of a system.
Description of drawings
Fig. 1 is the utility model example structure schematic diagram;
Fig. 2 is the utility model operating principle schematic diagram.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing 1 accompanying drawing 2 and embodiment.
With reference to Fig. 1, present embodiment comprises swing arm hydraulic jack 1, control valve 4, detects valve 5, flow control valve 6, pressure controller 7, pressure controller 7 links to each other with the rod chamber 2 of swing arm hydraulic jack 1 by detecting valve 5, and flow control valve 6 links to each other with the rodless cavity 3 of swing arm hydraulic jack 1 by control valve 4; Both all are " double spool " structures to described control valve 5 with detecting valve 4.Swing arm hydraulic jack 1 has rod chamber 2 and rodless cavity 3.
With reference to Fig. 1, Fig. 2, operating principle of the present utility model is:
In loading arm lifting process, loading arm, bunker is under the deadweight effect, swing arm hydraulic jack 1 is in pressured state, the piston motion direction is for making progress, at this moment, control the movement velocity of swing arm hydraulic jack 1 piston by hydraulic fluid flow rate input by swing arm hydraulic jack 1 rodless cavity 3, the control of hydraulic fluid flow rate size, be that detection valve 4 front and back pressure at both sides difference signals are fed back to flow control valve 6, then, to detect valve 4 openings of sizes by flow control valve 6 and adjust to the appropriate location, make by detecting valve 4 hydraulic fluid flow rate for the flow size of requirement inflow rodless cavity, realize hydraulic oil is entered the control of swing arm hydraulic jack 1 rodless cavity 3 flows with this; For swing arm hydraulic jack 1 rod chamber 2, at first the pressure signal with swing arm hydraulic jack 1 rod chamber 2 feeds back to pressure controller 7, then, adjust control valve 5 openings of sizes, make swing arm hydraulic jack 1 rod chamber 2 interior hydraulic fluid pressures reach needed desired value by pressure controller 7;
When load direction is downward, also be the load direction of swing arm hydraulic jack 1 when consistent with the direction of motion, the concrete steps of control are descended automatically in downward deadweight component effect by swing arm and bunker, at this moment only need rod chamber 2 repairings, to prevent cavitation erosion to swing arm hydraulic jack 1; To detect the piston pressure at both sides poor by detecting valve 4, and the pressure signal of rod chamber 2 is fed back to pressure controller 7, then, adjusts control valves 5 openings of sizes by pressure controller 7, makes the size that flows into hydraulic fluid pressures in the rod chamber 2 meet desired value;
When swing arm hydraulic jack 1 load direction makes progress, also be the load direction of swing arm hydraulic jack 1 when opposite with the direction of motion, rod chamber 2 is carried out flow-controls, thus the movement velocity of control oil cylinder piston; Rodless cavity 3 is carried out pressure control, the pressure control flow as mentioned above, rodless cavity 3 pressurizeds are fuel-displaced, but guarantee that its pressure meets desired value.
Claims (1)
1. loading arm hydraulic energy-saving control device, comprise the swing arm hydraulic jack, it is characterized in that, also be provided with and detect valve, control valve, pressure controller, flow control valve, pressure controller links to each other with the rod chamber of swing arm hydraulic jack by detecting valve, and flow control valve links to each other by the rodless cavity of control valve with the swing arm hydraulic jack; Described control valve all has " double spool " structure with the detection valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200666298U CN202012095U (en) | 2011-03-15 | 2011-03-15 | Movable arm hydraulic energy saving control device for loading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200666298U CN202012095U (en) | 2011-03-15 | 2011-03-15 | Movable arm hydraulic energy saving control device for loading machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202012095U true CN202012095U (en) | 2011-10-19 |
Family
ID=44782708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200666298U Expired - Fee Related CN202012095U (en) | 2011-03-15 | 2011-03-15 | Movable arm hydraulic energy saving control device for loading machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202012095U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102304931A (en) * | 2011-03-15 | 2012-01-04 | 陈海波 | Hydraulic energy-saving control system and method for loader movable arm |
| CN102312872A (en) * | 2011-08-19 | 2012-01-11 | 陈海波 | Hydraulic balance speed limit control device of concrete pump truck |
-
2011
- 2011-03-15 CN CN2011200666298U patent/CN202012095U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102304931A (en) * | 2011-03-15 | 2012-01-04 | 陈海波 | Hydraulic energy-saving control system and method for loader movable arm |
| CN102304931B (en) * | 2011-03-15 | 2013-09-04 | 昆山航天智能技术有限公司 | Hydraulic energy-saving control system and method for loader movable arm |
| CN102312872A (en) * | 2011-08-19 | 2012-01-11 | 陈海波 | Hydraulic balance speed limit control device of concrete pump truck |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: KUNSHAN AEROSPACE INTELLIGENT TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: CHEN HAIBO Effective date: 20120601 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 410100 CHANGSHA, HUNAN PROVINCE TO: 215312 SUZHOU, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120601 Address after: High tech Zone Kunshan Dengyun road Suzhou 215312 Jiangsu province No. 268 Patentee after: Kunshan Aerospace Intelligent Technology Co., Ltd. Address before: 410100, two romantic street, 325 Xingsha Avenue, Changsha County, Hunan, Changsha, 39 Patentee before: Chen Haibo |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111019 Termination date: 20150315 |
|
| EXPY | Termination of patent right or utility model |