CN106006484A - Forklift-cargo descending energy recovering system - Google Patents
Forklift-cargo descending energy recovering system Download PDFInfo
- Publication number
- CN106006484A CN106006484A CN201610596041.0A CN201610596041A CN106006484A CN 106006484 A CN106006484 A CN 106006484A CN 201610596041 A CN201610596041 A CN 201610596041A CN 106006484 A CN106006484 A CN 106006484A
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- CN
- China
- Prior art keywords
- valve
- pipeline
- gear pump
- port
- proportioning
- 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.)
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- 239000003921 oil Substances 0.000 claims abstract description 12
- 239000010729 system oil Substances 0.000 claims abstract description 8
- 239000012530 fluid Substances 0.000 claims description 14
- 239000000446 fuel Substances 0.000 claims description 7
- 230000007423 decrease Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000005381 potential energy Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 3
- 230000002337 anti-port Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/20—Means for actuating or controlling masts, platforms, or forks
- B66F9/22—Hydraulic devices or systems
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Structural Engineering (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention discloses a forklift-cargo descending energy recovering system. The energy recovering system comprises a first electromagnetic valve. One end of the first electromagnetic valve is connected with a hoisting-system oil cylinder, the other end of the first electromagnetic valve is connected with one end of a pressure filter through a proportional valve and a one-way valve in sequence, the other end of the pressure filter is connected with an oil opening of an internal gear pump, the other end of the proportional valve is further connected with the oil opening of the internal gear pump through a pipe with another one-way valve, a motor shaft of an alternating current motor is in transmitting connection with a pump shaft of the internal gear pump, the control end of the alternating current motor is electrically connected with a controller, and the controller is electrically connected with a storage battery. According to the energy recovering system, when a cargo rapidly descends, potential energy can be recovered, the running time of a forklift is prolonged, and cargo transporting and stacking efficiency is further improved.
Description
Technical field
The present invention relates to fork truck system regions, energy-recuperation system when a kind of fork truck goods declines.
Background technology
Modern warehouse logistics industry fast development, each logistics people is pursuing high efficiency operating, the arrival in electricity business's epoch
Accelerating the paces of logistics process, particularly under of today one development with a road, domestic logistic industry is carried out
The biggest reform and expansion, high efficiency, low cost, is their joint demand, is also the fork truck producing each enterprise simultaneously
The huge challenge of handbarrow.In order to reach high efficiency operating, being then accomplished by flying power when fork truck uses strong, charging is once
Allowing for meeting the work requirements of a more than order of classes or grades at school, particularly hoist and reach the fork truck of more than 10000mm, it is for work
Efficiency requirements can be higher, and energy expenditure is also the biggest.
In prior art, fork truck is in logistics transport process, there is the problem that need to frequently change accumulator, frequently changes storage
The transhipment time of preciousness not only wasted by battery, also increases cost of wheeling simultaneously.Therefore the flying power of same fork truck is promoted,
Can just seem the most urgent by high-efficiency operation.
Summary of the invention it is an object of the invention to provide energy-recuperation system when a kind of fork truck goods declines, existing to solve
The problem frequently changing accumulator with the presence of the need of technology fork truck.
In order to achieve the above object, the technical solution adopted in the present invention is:
Energy-recuperation system when a kind of fork truck goods declines, it is characterised in that: include the first electromagnetic valve, first electromagnetic valve one end
Valve port is connected with hoisting system oil cylinder by pipeline, and the first electromagnetic valve other end valve port passes through pipeline and one end of a proportioning valve
Valve port connects, and the other end valve port of proportioning valve is connected by one end valve port of pipeline and a check valve, the other end of check valve
Valve port is connected by one end hydraulic fluid port of pipeline and a filter-press, the conducting direction of this check valve be filter-press extremely than
Example valve, the other end hydraulic fluid port of filter-press is connected by the hydraulic fluid port of pipeline and a crescent gear pump, this inside engaged gear
Pump can forward and reverse operate, and the other end valve port of proportioning valve is also by pipeline and the crescent gear pump with another check valve
Hydraulic fluid port connect, the check valve conducting direction between proportioning valve and crescent gear pump be proportioning valve to crescent gear pump, also wrap
Include can the alternating current generator of forward and reverse operating, controller, accumulator, described controller by programmable controller PLC and access can compile
The rectification module of range controller PLC is constituted, and the motor shaft of described alternating current generator is in transmission connection with the pump shaft of crescent gear pump, hands over
The control end of stream motor electrically connects with programmable controller PLC in controller, in the ampere wires in alternating current generator and controller
Rectification module input electrical connection, rectification module outfan is connected with storage battery.
Energy-recuperation system when described a kind of fork truck goods declines, it is characterised in that: the first electromagnetic valve with hoisting is
The valve port that system oil cylinder connects is provided with manual-operated emergent knob to other with external on oil parts, and this pipeline also by pipeline fuel feeding
The switch valve controlled, this switch valve is a throttling valve core, it is possible to use inner hexagon spanner rotates, and opens another oil return of lift oil tank
Pipeline, makes door frame slowly decline.
Energy-recuperation system when described a kind of fork truck goods declines, it is characterised in that: between proportioning valve and check valve
Also bypass has pipeline, and this pipeline fuel feeding is provided with the second electromagnetic valve to other with on oil parts, and this pipeline.
Energy-recuperation system when described a kind of fork truck goods declines, it is characterised in that: also include overflow valve, overflow valve
Oil-feed valve port is accessed between proportioning valve and check valve by pipeline connection.
The present invention is goods rapid decrease when, it is possible to reclaimed by potential energy, and charging enters accumulator, increases electric power storage
The electricity of pond 20-30%, extends the cruising time of fork truck, and then improves cargo transfer stacking efficiency.
Accompanying drawing explanation
Fig. 1 is present system structure chart.
Detailed description of the invention
As it is shown in figure 1, energy-recuperation system when a kind of fork truck goods declines, including the first electromagnetic valve 6, the first electromagnetic valve
6 one end valve ports are connected with hoisting system oil cylinder H1 by pipeline, and the first electromagnetic valve 6 other end valve port passes through pipeline and a ratio
One end valve port of valve 5 connects, and the other end valve port of proportioning valve 5 is connected by one end valve port of pipeline and a check valve 2, unidirectional
The other end valve port of valve 2 is connected by one end hydraulic fluid port of pipeline and a filter-press 1, and the conducting direction of this check valve 2 is
Filter-press 1 to proportioning valve 5, the other end hydraulic fluid port of filter-press 1 passes through pipeline and the hydraulic fluid port of a crescent gear pump 9
Connecting, this crescent gear pump 9 can forward and reverse operate, and the other end valve port of proportioning valve 5 is also by with another check valve 3
Pipeline is connected with the hydraulic fluid port of crescent gear pump 9, check valve 3 conducting direction between proportioning valve 5 and crescent gear pump 9 be than
Example valve 5 to crescent gear pump 9, also include can the alternating current generator 12 of forward and reverse operating, controller 10, accumulator 11, controller
10 are made up of the rectification module of programmable controller PLC and access programmable controller PLC, and the motor shaft of alternating current generator 12 is with interior
The pump shaft of intermeshing gear pump 9 is in transmission connection, and the control end of alternating current generator 12 is electrically connected with programmable controller PLC in controller 10
Connecing, the ampere wires in alternating current generator 12 electrically connects with the rectification module input in controller 10, rectification module outfan with
Accumulator 11 electrically connects.
The valve port that first electromagnetic valve 6 is connected with hoisting system oil cylinder H1 uses oil parts also by pipeline fuel feeding to other, and
The external switch valve being provided with manual-operated emergent knob 7 control on this pipeline, this switch valve is a throttling valve core, it is possible to use interior six
Angle spanner rotates, and opens another return line of lift oil tank, makes door frame slowly decline.
Going back bypass between proportioning valve 5 and check valve 2 and have pipeline, this pipeline fuel feeding uses oil parts, and this pipe to other
Second electromagnetic valve 8 is installed on road.
Also including overflow valve 4, overflow valve 4 oil-feed valve port is accessed between proportioning valve 5 and check valve 2 by pipeline connection.
The present invention is after use, can to promote car load flying power in high mast forklift truck system.It includes control
Device 10 processed, the rotating speed and the alternating current generator 12 that control alternating current generator 12 receive its generation current when passive reversion, after rectification,
Energy regenerating is entered accumulator 11, and the power source producing energy regenerating is the fluid picked out by hoisting system oil cylinder H1 hydraulic fluid port,
Open the first electromagnetic valve 6 when fork of forklift truck loading rises and is raised to extreme higher position or other positions, control proportioning valve 5, liquid simultaneously
Force feed through check valve 3 be back to can the crescent gear pump 9 of antiport, crescent gear pump 9 invert drive exchange
Motor 12 antiport, now motor belongs to passive rotation, therefore can produce electric current, by controller 10 due to cutting magnetic field
Rectification is reclaimed into accumulator 11.When normally working, accumulator 11 gives electricity, and controller 10 controls alternating current generator 12 and drives internal messing
Gear pump 9 rotates forward, and by filter-press 1, check valve 2, proportioning valve 5 and the control of battery valve 6, makes goods increase, with
Time can give other work system fuel feeding by electromagnetic valve 8.When breaking down after cargo lifting, can be by emergent knob 7
Realize Manual descending, limited the pressure of whole system simultaneously by overflow valve 4.
Claims (4)
1. an energy-recuperation system when fork truck goods declines, it is characterised in that: include the first electromagnetic valve, the first electromagnetic valve one
End valve mouth is connected with hoisting system oil cylinder by pipeline, and the first electromagnetic valve other end valve port passes through pipeline and the one of a proportioning valve
End valve mouth connects, one end valve port connection by pipeline and a check valve of the other end valve port of proportioning valve, another of check valve
One end hydraulic fluid port connection by pipeline and a filter-press of the end valve mouth, the conducting direction of this check valve be filter-press extremely
Proportioning valve, the other end hydraulic fluid port of filter-press is connected by the hydraulic fluid port of pipeline and a crescent gear pump, this internal messing tooth
Wheel pump can forward and reverse operate, and the other end valve port of proportioning valve is also by with the pipeline of another check valve and crescent gear pump
Hydraulic fluid port connect, the check valve conducting direction between proportioning valve and crescent gear pump be proportioning valve to crescent gear pump, also
Including can the alternating current generator of forward and reverse operating, controller, accumulator, described controller by programmable controller PLC and access can
The rectification module of programmable controller PLC is constituted, and the motor shaft of described alternating current generator is in transmission connection with the pump shaft of crescent gear pump,
The control end of alternating current generator electrically connects with programmable controller PLC in controller, the ampere wires in alternating current generator and controller
In rectification module input electrical connection, rectification module outfan is connected with storage battery.
Energy-recuperation system when a kind of fork truck goods the most according to claim 1 declines, it is characterised in that: the first electromagnetism
The valve port that valve is connected with hoisting system oil cylinder manually should also by being provided with on pipeline fuel feeding to other use oil parts, and this pipeline
The switch valve that whirl button controls, this switch valve is a throttling valve core, it is possible to use inner hexagon spanner rotates, and opens lift oil tank another
One return line, makes door frame slowly decline.
A kind of fork truck goods the most according to claim 1 decline time energy-recuperation system, it is characterised in that: proportioning valve with
Going back bypass between check valve and have pipeline, this pipeline fuel feeding is provided with the second electromagnetism to other with on oil parts, and this pipeline
Valve.
Energy-recuperation system when a kind of fork truck goods the most according to claim 1 declines, it is characterised in that: also include overflowing
Stream valve, overflow valve oil-feed valve port is accessed between proportioning valve and check valve by pipeline connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610596041.0A CN106006484A (en) | 2016-07-27 | 2016-07-27 | Forklift-cargo descending energy recovering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610596041.0A CN106006484A (en) | 2016-07-27 | 2016-07-27 | Forklift-cargo descending energy recovering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106006484A true CN106006484A (en) | 2016-10-12 |
Family
ID=57114900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610596041.0A Withdrawn CN106006484A (en) | 2016-07-27 | 2016-07-27 | Forklift-cargo descending energy recovering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106006484A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102501849A (en) * | 2011-12-22 | 2012-06-20 | 山河智能装备股份有限公司 | Driving and energy recycling system for hybrid forklift |
| JP2016109204A (en) * | 2014-12-05 | 2016-06-20 | Ｋｙｂ株式会社 | Control system of hybrid construction machine |
| CN206142760U (en) * | 2016-07-27 | 2017-05-03 | 合肥搬易通科技发展有限公司 | Energy recuperation system when fork truck goods descends |
-
2016
- 2016-07-27 CN CN201610596041.0A patent/CN106006484A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102501849A (en) * | 2011-12-22 | 2012-06-20 | 山河智能装备股份有限公司 | Driving and energy recycling system for hybrid forklift |
| JP2016109204A (en) * | 2014-12-05 | 2016-06-20 | Ｋｙｂ株式会社 | Control system of hybrid construction machine |
| CN206142760U (en) * | 2016-07-27 | 2017-05-03 | 合肥搬易通科技发展有限公司 | Energy recuperation system when fork truck goods descends |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20161012 |
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| WW01 | Invention patent application withdrawn after publication |