CN106286429A - A kind of can the energy-saving control valve of multi-stage booster - Google Patents
A kind of can the energy-saving control valve of multi-stage booster Download PDFInfo
- Publication number
- CN106286429A CN106286429A CN201610959173.5A CN201610959173A CN106286429A CN 106286429 A CN106286429 A CN 106286429A CN 201610959173 A CN201610959173 A CN 201610959173A CN 106286429 A CN106286429 A CN 106286429A
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- Prior art keywords
- valve
- energy
- oil circuit
- oil
- counterflow
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Classifications
-
- 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
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
- F15B1/024—Installations or systems with accumulators used as a supplementary power source, e.g. to store energy in idle periods to balance pump load
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
-
- 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
-
- 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
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
- Operation Control Of Excavators (AREA)
Abstract
nullA kind of can the energy-saving control valve of multi-stage booster，Including oil circuit regeneration valve、Collection of energy valve and energy relief valve，Described oil circuit regeneration valve includes regenerative switch valve and counterflow-preventing pressure retaining valve，Described regenerative switch valve includes normal position and the regeneration open position of band pressure holding function，Its switching is controlled by the first pilot control signal port，The entrance of regenerative switch valve is connected by the first hydraulic fluid port chamber big with pantograph oil cylinder oil circuit，The outlet of regenerative switch valve is connected with pantograph oil cylinder loculus oil circuit by counterflow-preventing pressure retaining valve and the second hydraulic fluid port，It is provided with oil circuit between described regenerative switch valve and described counterflow-preventing pressure retaining valve to be connected with described collection of energy valve，This device can realize the supercharging first recovered energy according to outside input instruction，Collection of energy valve can realize secondary booster by external pressurizer，Thus the energy reclaimed can be carried out one or many supercharging according to needs and utilize the most again.
Description
Technical field
The present invention relates to engineering machinery and the energy-saving valve of agricultural equipment equipment energy regenerating utilization, particularly relate to work
Device energy can the energy-saving control valve of multi-stage booster.
Background technology
Engineering machinery and agricultural equipment operate various mechanical part frequently with Fluid-transmission.Such as, excavator is a kind of
Conventional engineering machinery, excavator boom often utilizes hydraulic oil to act on oil cylinder and realizes its lifting.Hydraulic jack includes one
The individual cylinder with piston, this piston marks off two rooms in cylinder, and the bar being connected with piston is connected on cantilever, and oil cylinder with dig
The main body of pick machine is connected, by bar flexes outward from oil cylinder and realized towards retraction in oil cylinder by bar rising and the fall of support
Low；During excavator operation, the constant adjustment in position of the equipments such as such as cantilever, dipper, scraper bowl and corresponding oil cylinder, special
It not that cantilever is often in from a certain low-lift to an a certain high position, then drop to the cyclic motion process of a certain low level from an a certain high position
Among, due to cantilever and to act on the quality such as dipper thereon, scraper bowl relatively big, for energy transforming principle, support can be only
Reduce under gravity, and if the resistance of decline is not provided, decline during weightlessness easily occurs.When swing arm exists
In order to prevent it weightless during decline, conventional solution is, maintains hydraulic jack to have certain back pressure, for this often at liquid stream
Reflux line is provided with throttling arrangement, and hydraulic oil flows back to fuel tank by after throttling arrangement, and the energy of such cantilever changes into heat energy,
Slatterned in vain, in order to prevent the temperature of hydraulic oil from significantly raising the harm that system is brought, also need to be provided with heat radiation
Device.Accordingly, it would be desirable to find a kind of effective control device to realize the recycling and reuse of energy, the most most important is how to solve
High efficiency when certainly potential energy high pressure reclaims and controllability, to meet commercialization enforcement needs.
Summary of the invention
The present invention solves the deficiencies in the prior art and is to provide a kind of equipment hydraulic energy can multi-stage booster energy-conservation
Control valve, thus realize high efficiency when potential energy high pressure reclaims and controllability.
In order to solve the problems referred to above, the invention provides a kind of can the energy-saving control valve of multi-stage booster, regenerate including oil circuit
Valve, collection of energy valve and energy relief valve,
Described oil circuit regeneration valve includes that regenerative switch valve and counterflow-preventing pressure retaining valve, described regenerative switch valve include band pressure holding function
Often position and regeneration open position, its switching is controlled by the first pilot control signal port, and the entrance of regenerative switch valve passes through the first hydraulic fluid port
Chamber big with pantograph oil cylinder oil circuit is connected, and the outlet of regenerative switch valve is filled with swing arm by counterflow-preventing pressure retaining valve and the second hydraulic fluid port
Put oil cylinder loculus oil circuit to connect, between described regenerative switch valve and described counterflow-preventing pressure retaining valve, be provided with oil circuit and described collection of energy
Valve connects；
Described collection of energy valve includes that collection of energy switch valve and counterflow-preventing pressure retaining valve, described collection of energy switch valve include two
The normal position of threeway and collection of energy open position, its switching is controlled by pilot control signal port, entering of described collection of energy switch valve
Hydraulic fluid port is connected with oil circuit regeneration valve, and oil return opening passes through the 5th hydraulic fluid port oil sump tank, and working hole is connected with the end that enters of counterflow-preventing pressure retaining valve,
The end that goes out of described counterflow-preventing pressure retaining valve is connected with external energy storage equipment and described energy relief valve oil circuit by the 3rd hydraulic fluid port；
Described energy relief valve includes that energy release-push valve and valve for preventing reverse-flow, described energy release-push valve include bi-bit bi-pass
Normal position and energy release open position, its switching is controlled by the second pilot control signal port, entering of described energy release-push valve
Mouth is connected by oil circuit and the 3rd hydraulic fluid port, exports and connects the 6th hydraulic fluid port by valve for preventing reverse-flow oil circuit.
Described collection of energy valve also includes that safety overflow valve, the oil return opening of described collection of energy switch valve overflow with described safety
The oil return opening oil circuit of stream valve connect after by hydraulic fluid port oil sump tank, the working hole of described collection of energy switch valve by the 4th hydraulic fluid port with
The energy input mouth oil circuit of external pressurization device connects and by described safety overflow valve protection, and described counterflow-preventing pressure retaining valve enters end to be passed through
5th hydraulic fluid port is connected with the energy delivery outlet oil circuit of external pressurization device, goes out end by the 3rd hydraulic fluid port and external energy storage equipment and described
Energy relief valve oil circuit connects, and described counterflow-preventing pressure retaining valve carries out counterflow-preventing pressurize control to the pressure oil in external energy storage equipment
System.
Described first pilot control signal port and the second pilot control signal port are controlled by hydraulic pressure and/or the signal of telecommunication.
The beneficial effect that the present invention brings: the present invention is applicable to engineering machinery and agricultural equipment equipment energy regenerating profit
Multi-level boost energy-saving control, particularly excavator class swing arm energy regenerating utilize Multi-level boost energy-saving control, utilize this
The pressure oil that invention can decline swing arm to energy converted can be filled with external energy-accumulating element, again after multi-stage booster as required
The pressure oil stored all can be carried out release to utilize, assist oil source apparatus externally to do work, thus reduce prime mover input power.
This inventive concept is ingenious, and simple in construction is easy to control, dependable performance, and the first order achieves that energy without extra pressurizer
The supercharging of amount is reclaimed, and secondary can according to circumstances need external pressurizer can to carry out secondary booster and recover energy.Compare without supercharging
Recover energy mode, can be greatly reduced energy-accumulating element volume, and the supercharging comparing routine recovers energy mode, the cylinder of supercharging element apparatus
Volume or pump motor displacement can diminish, thus reduce the difficulty of pressurizing elements device mounting arrangement, reduce cost.
Accompanying drawing explanation
Fig. 1 is the principle schematic of this device embodiment one.
Fig. 2 is the principle schematic of this device embodiment two.
In accompanying drawing, 1, oil circuit regeneration valve, 1a, regenerative switch valve, 1b, counterflow-preventing pressure retaining valve, 2, collection of energy valve, 2a, energy
Amount collects switch valve, 2b, safety overflow valve, 2c, counterflow-preventing pressure retaining valve, and 3, energy relief valve, 3a, energy release-push valve, 3b,
Valve for preventing reverse-flow, 4, reversal valve, 5, oil source apparatus, 6, pantograph, 7, hydraulic control one-way valve, 8, external energy storage equipment, 9, outside increase
Depressor.
Detailed description of the invention
Below with reference to the drawings and specific embodiments, the present invention is described in further details:
Decline potential energy removal process: see Fig. 1, Fig. 2, oil source apparatus 5 by reversal valve 4 respectively with described pantograph 6 oil cylinder
Big chamber oil circuit and pantograph 6 oil cylinder loculus oil circuit connect, and oil circuit regeneration valve 1 includes regenerative switch valve 1a and counterflow-preventing pressure retaining valve
1b, described regenerative switch valve 1a include normal position and the regeneration open position of band pressure holding function, and its switching is by the first pilot control signal
Mouth K1 controls, and the entrance of regenerative switch valve 1a is connected with pantograph 6 oil cylinder big chamber oil circuit by the first hydraulic fluid port Ai, and described
First hydraulic fluid port Ai is provided with, to the oil circuit of reversal valve 4, the hydraulic control one-way valve 7 preventing pressure oil from entering reversal valve 4 from the big chamber of oil cylinder,
The outlet of regenerative switch valve 1a is connected with pantograph oil cylinder loculus oil circuit by counterflow-preventing pressure retaining valve 1b and the second hydraulic fluid port Ag, institute
State and be provided with oil circuit between regenerative switch valve 1a and described counterflow-preventing pressure retaining valve 1b and be connected with described collection of energy valve 2, collection of energy
Valve 2 includes that collection of energy switch valve 2a and counterflow-preventing pressure retaining valve 2c, described collection of energy switch valve 2a include the normal of two-position three way
Position and collection of energy open position, its switching is controlled by pilot control signal port K1, the oil-in of described collection of energy switch valve 2a
Being connected with oil circuit regeneration valve 1, oil return opening passes through the 5th hydraulic fluid port T oil sump tank, and working hole is connected with the end that enters of counterflow-preventing pressure retaining valve 2c,
The end that goes out of described counterflow-preventing pressure retaining valve 2c is connected with external energy storage equipment 8 and described energy relief valve 3 oil circuit by the 3rd hydraulic fluid port X
Connect；Described energy relief valve 3 includes that energy release-push valve 3a and valve for preventing reverse-flow 3b, described energy release-push valve 3a include two
The normal position of position two-way and energy release open position, its switching is controlled by the second pilot control signal port K2, and described energy discharges
The entrance closing valve 3a is connected by oil circuit and the 3rd hydraulic fluid port X, exports and connects the 6th hydraulic fluid port C by valve for preventing reverse-flow 3b oil circuit；
When carrying out pantograph step-down operation, reversal valve 4 commutates crack, and the pressure oil of oil source apparatus 5 is by crack commutation
Valve is to pantograph oil cylinder loculus low discharge fuel feeding, and meanwhile, the first pilot control signal port K1 of this device has signal function, is
3rd pilot control signal port K3 no signal effect of system hydraulic control one-way valve, can open in the regeneration in the energy-saving control valve of multi-stage booster
Close valve 1a and collection of energy switch valve 2a to be changed to respectively by the signal function of pilot control signal port K1 regenerate open position and energy
Amount collects open position, and pantograph 6 oil cylinder big cavity pressure oil can not flow to reversal valve 4 under hydraulic control one-way valve 7 cut-off effect, because of
This, a pantograph 6 oil cylinder big cavity pressure oil part can only flow back to swing arm by regenerative switch valve 1a, counterflow-preventing pressure retaining valve 1b and fill
Putting oil cylinder loculus and form regeneration, because regeneration forms for the first time supercharging, another part pressurised oil can be according to can multi-stage booster energy-conservation
Whether control valve is connected to pressurizer in two kinds of situation: as described in Figure 1, and one is to be opened by regenerative switch valve 1a, collection of energy
Close valve 2a, the 4th hydraulic fluid port Ao flows into external pressurizer, realizes second time supercharging by external pressurizer, and secondary booster oil leads to
Cross the 5th hydraulic fluid port Hi, counterflow-preventing pressure retaining valve 2c, the 3rd hydraulic fluid port X are filled with external energy storage equipment, the maximum pressure of external energy storage equipment
Protected by safety overflow valve 2b；As described in Figure 2, another kind is not over secondary booster, but by regenerative switch valve 1a, energy
Amount collection switch valve 2a, the 4th hydraulic fluid port Ao, the 5th hydraulic fluid port Hi, counterflow-preventing pressure retaining valve 2c, the 3rd hydraulic fluid port X are filled with external accumulation of energy dress
Put.Declining as propped up car, only the pilot control signal port K3 of system hydraulic control one-way valve need to be allowed to have signal function, hydraulic control one-way valve is double
To connection, pantograph oil cylinder big cavity pressure oil is made to flow back to fuel tank by reversal valve.
Recover energy release process: sees Fig. 1, Fig. 2, when the equipment of machine needs to consume energy operation, and the second guide
Control signal mouth K2 has signal function, can control the second guide by the energy release-push valve 3a in the energy-saving control valve of multi-stage booster
The signal function of signal port K2 processed changes to energy release open position, the pressure oil of energy storage equipment by energy release-push valve 3a and
Valve for preventing reverse-flow 3b is filled with the equipment of machine and accesses oil circuit and do work, thus substitutes prime mover acting until energy has been released is
Only, the equipment former working oil reversely charging energy storage equipment of the anti-reverse machine of valve for preventing reverse-flow 3b.
The foregoing is only the preferred embodiments of the present invention, and limit the present invention never in any form, for this area
For technical staff, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, that is made is any
Amendment, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (3)
1. can the energy-saving control valve of multi-stage booster, including oil circuit regeneration valve (1), collection of energy valve (2) and energy relief valve
(3), it is characterised in that:
Described oil circuit regeneration valve (1) includes regenerative switch valve (1a) and counterflow-preventing pressure retaining valve (1b), described regenerative switch valve (1a)
Including normal position and the regeneration open position of band pressure holding function, its switching is controlled by the first pilot control signal port (K1), regenerative switch
The entrance of valve (1a) is connected with pantograph (6) oil cylinder big chamber oil circuit by the first hydraulic fluid port (Ai), and regenerative switch valve (1a) goes out
Mouth is connected with pantograph oil cylinder loculus oil circuit by counterflow-preventing pressure retaining valve (1b) and the second hydraulic fluid port (Ag), described regenerative switch valve
(1a) and it is provided with oil circuit between described counterflow-preventing pressure retaining valve (1b) to be connected with described collection of energy valve (2)；
Described collection of energy valve (2) includes collection of energy switch valve (2a) and counterflow-preventing pressure retaining valve (2c), and described collection of energy is opened
Closing valve (2a) and include normal position and the collection of energy open position of two-position three way, its switching is controlled by pilot control signal port (K1), institute
The oil-in stating collection of energy switch valve (2a) is connected with oil circuit regeneration valve (1), and oil return opening passes through the 5th hydraulic fluid port (T) oil sump tank,
The end that enters of working hole and counterflow-preventing pressure retaining valve (2c) is connected, described counterflow-preventing pressure retaining valve (2c) go out to hold by the 3rd hydraulic fluid port (X)
It is connected with external energy storage equipment (8) and described energy relief valve (3) oil circuit；
Described energy relief valve (3) includes energy release-push valve (3a) and valve for preventing reverse-flow (3b), described energy release-push valve
(3a) including normal position and the energy release open position of bi-bit bi-pass, its switching is controlled by the second pilot control signal port (K2), institute
The entrance stating energy release-push valve (3a) is connected by oil circuit and the 3rd hydraulic fluid port (X), and outlet is by valve for preventing reverse-flow (3b) oil circuit
Connect the 6th hydraulic fluid port (C).
The most according to claim 1 can the energy-saving control valve of multi-stage booster, it is characterised in that: described collection of energy valve (2)
Also include safety overflow valve (2b), the oil return opening of described collection of energy switch valve (2a) and the oil return of described safety overflow valve (2b)
Mouth oil circuit passes through the 4th hydraulic fluid port (Ao) by hydraulic fluid port (T) oil sump tank, the working hole of described collection of energy switch valve (2a) after connecting
It is connected with the energy input mouth oil circuit of external pressurization device (9) and is protected by described safety overflow valve (2b), described counterflow-preventing pressurize
Valve (2c) is entered end and is connected with the energy delivery outlet oil circuit of external pressurization device (9) by the 5th hydraulic fluid port (Hi), goes out end by the 3rd oil
Mouth (X) is connected with external energy storage equipment and described energy relief valve (3) oil circuit, and described counterflow-preventing pressure retaining valve (2c) is to external accumulation of energy
Pressure oil in device carries out counterflow-preventing holding pressure control.
Energy-conservation dedicated hydraulic valve the most according to claim 1 and 2, it is characterised in that: described first pilot control signal port
(K1) and the second pilot control signal port (K2) is controlled by hydraulic pressure and/or the signal of telecommunication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610959173.5A CN106286429A (en) | 2016-10-28 | 2016-10-28 | A kind of can the energy-saving control valve of multi-stage booster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610959173.5A CN106286429A (en) | 2016-10-28 | 2016-10-28 | A kind of can the energy-saving control valve of multi-stage booster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106286429A true CN106286429A (en) | 2017-01-04 |
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ID=57719450
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610959173.5A Pending CN106286429A (en) | 2016-10-28 | 2016-10-28 | A kind of can the energy-saving control valve of multi-stage booster |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148031A (en) * | 2013-03-27 | 2013-06-12 | 南京工业大学 | Energy-saving control system of hydraulic movable arm loop |
| CN104452850A (en) * | 2014-12-16 | 2015-03-25 | 山河智能装备股份有限公司 | Method and control device for recycling potential energy of movable arm of excavator |
| CN104613055A (en) * | 2015-01-30 | 2015-05-13 | 福建工程学院 | Hydraulic type energy recovery system for potential energy of boom of excavator |
| CN104632729A (en) * | 2015-02-05 | 2015-05-20 | 长安大学 | Rotary drilling rig main winch hydraulic system |
| CN104832464A (en) * | 2015-05-23 | 2015-08-12 | 长安大学 | Rotary drilling rig main winch downward placing potential energy recycling device |
| CN105465056A (en) * | 2016-01-06 | 2016-04-06 | 张旭蓝 | Hydraulic system for recycling elastic potential energy generated by deformation of test pieces |
| CN105485078A (en) * | 2015-12-31 | 2016-04-13 | 长安大学 | Energy recycling hydraulic system of rotary drilling rig mast derricking mechanism |
| CN105626610A (en) * | 2016-03-21 | 2016-06-01 | 山东理工大学 | Energy-saving system of mechanical arm of energy-saving bagging machine |
| CN206468600U (en) * | 2016-10-28 | 2017-09-05 | 山河智能装备股份有限公司 | It is a kind of can multi-stage booster energy-saving control valve |
-
2016
- 2016-10-28 CN CN201610959173.5A patent/CN106286429A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148031A (en) * | 2013-03-27 | 2013-06-12 | 南京工业大学 | Energy-saving control system of hydraulic movable arm loop |
| CN104452850A (en) * | 2014-12-16 | 2015-03-25 | 山河智能装备股份有限公司 | Method and control device for recycling potential energy of movable arm of excavator |
| CN104613055A (en) * | 2015-01-30 | 2015-05-13 | 福建工程学院 | Hydraulic type energy recovery system for potential energy of boom of excavator |
| CN104632729A (en) * | 2015-02-05 | 2015-05-20 | 长安大学 | Rotary drilling rig main winch hydraulic system |
| CN104832464A (en) * | 2015-05-23 | 2015-08-12 | 长安大学 | Rotary drilling rig main winch downward placing potential energy recycling device |
| CN105485078A (en) * | 2015-12-31 | 2016-04-13 | 长安大学 | Energy recycling hydraulic system of rotary drilling rig mast derricking mechanism |
| CN105465056A (en) * | 2016-01-06 | 2016-04-06 | 张旭蓝 | Hydraulic system for recycling elastic potential energy generated by deformation of test pieces |
| CN105626610A (en) * | 2016-03-21 | 2016-06-01 | 山东理工大学 | Energy-saving system of mechanical arm of energy-saving bagging machine |
| CN206468600U (en) * | 2016-10-28 | 2017-09-05 | 山河智能装备股份有限公司 | It is a kind of can multi-stage booster energy-saving control valve |
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Application publication date: 20170104 |
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