CN106144855A - The method and apparatus that a kind of tractive driving apparatus of load balance and energy regenerating utilize - Google Patents
The method and apparatus that a kind of tractive driving apparatus of load balance and energy regenerating utilize Download PDFInfo
- Publication number
- CN106144855A CN106144855A CN201610686773.9A CN201610686773A CN106144855A CN 106144855 A CN106144855 A CN 106144855A CN 201610686773 A CN201610686773 A CN 201610686773A CN 106144855 A CN106144855 A CN 106144855A
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- China
- Prior art keywords
- pipeline
- valve
- load
- directional control
- solenoid directional
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- 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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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/04—Driving gear ; Details thereof, e.g. seals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/04—Driving gear ; Details thereof, e.g. seals
- B66B11/0423—Driving gear ; Details thereof, e.g. seals actuated pneumatically or hydraulically
-
- 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
-
- 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
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/14—Energy-recuperation means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Elevator Control (AREA)
Abstract
The invention provides a kind of tractive driving apparatus of load balance and the method and apparatus of energy regenerating utilization, the device that the tractive driving apparatus of load balance of the present invention and energy regenerating utilize includes two-way pump, solenoid directional control valve, controller and LOAD CELLS;The Single port of described two-way pump is connected with fuel tank by the first pipeline, the another port of two-way pump is connected with the fuel feed hole of solenoid directional control valve by second pipe, first oil outlet of solenoid directional control valve is connected with fuel tank by the 3rd pipeline, second oil outlet of described solenoid directional control valve passes through the 4th pipeline and the 3rd pipeline communication, accumulator and the 4th pipeline are connected by the 5th pipeline, 5th pipeline is provided with solenoid-operated proportional air relief valve, and LOAD CELLS, solenoid-operated proportional air relief valve and solenoid directional control valve are connected with controller respectively.The present invention realize load with counterweight dynamic equilibrium, beneficially towed elevator, open, brake and operate steadily;Realize energy regenerating to utilize, beneficially elevator economy, Effec-tive Function.
Description
Technical field
The invention belongs to towed elevator technical field, be specifically related to a kind of tractive driving apparatus of load balance and energy returns
Receive the method and apparatus utilized.
Background technology
Towed elevator traction machine two ends connect car and counterweight respectively, rely on traction sheave to enter with the frictional force that steel wire rope produces
Row transmission.Prior art all uses fixing counterweight to balance with car, can balance the load of traction sheave two ends to a certain extent, and subtract
Few excessive power drain.Towed elevator coefficient of balance is generally 0.4 ~ 0.5, and preferable operating mode is semi-load, and now traction sheave two ends are born
Carry approximately equal, traction machine load minimum.During actually used, the passenger load of car end is random, and towed elevator is past
Toward not being operation under optimum condition.During such as car without passenger's empty down, counterweight overweights car, and traction load on host computers is maximum,
Externally acting.And car without passenger unloaded up time, counterweight pulls traction main frame, makes motor present to electrical network as electromotor
Electricity, but at present for, feed voltage and frequency do not reach grid requirements, disappear feedback current only with high-power resistance
Consumption, wastes the energy.
Industry forward position has following several technology to attempt solving traction equilibrium problem: load weight scene is adjustable, according to sedan-chair
Railway carriage or compartment real-time load, Field adjustment load weight, it is mainly used in the less demanding occasion of the timeliness such as Cargo Lift;Fluid is adjustable, at electricity
Each arrangement one water tank in ladder machine room and counterweight frame, with pliable and tough watertightness pipeline connection between two casees, is equipped with electricity in water route simultaneously
Magnet valve and water pump, automatically control current to realize the energy-conservation dragging of elevator balanced state with traction system balanced signal;Additional drag
Formula, utilizes generation cage operation resistance between car, counterweight and the body of wall of installation rubber, changes normal pressure size, thus change
The size of frictional force, it is achieved two ends load balance;Additional torque formula, counterweight is made up of static counterweight and dynamic counterweight two parts,
Pouring weight by counterweight support and is formed by static counterweight, and dynamic counterweight is made up of weight generator and weight controller, static right
Heavy amount is counterweight deadweight, and it is conducted oneself with dignity equal to car, and the weight of dynamic counterweight is that weight generator is at weight controller
Controlling the lower weight being produced equivalence, it is equal to the load weight in car.Above technology can be effectively realized load balance,
Reduce the starting and braking impact of elevator, but be required to increase extra energy input, it is impossible to carry out energy regenerating utilization simultaneously, with
Sample has the defect of the waste energy.
Following several technology are had to attempt solving the problem that energy regenerating utilizes: braking resistor to be located in couveuse, its
The heat gone out is collected in couveuse, and recycling stirling generator converts heat into electric energy and recycles;Traction machine is in
During generating operation mode, reclaim produced electric energy, be then delivered to accumulator by controller, when traction machine is in electronic operating mode,
Regulate and carry the electric energy exported by controller, to the converter of elevator;When traction machine is in generating operation mode, reclaims and produced
Electric energy, be then delivered to super capacitor by controller, when traction machine is in electronic operating mode, regulates and carry and pass through controller
The electric energy of output, to the converter of elevator, but super capacitor is shorter for service life, and the voltage of feedback will pollute electrical network.
Summary of the invention
The present invention provides a kind of and is capable of load balance and the tractive driving equipment that can recycle energy
The method and apparatus that load balance and energy regenerating utilize.
The technical solution used in the present invention is: the device that a kind of tractive driving apparatus of load balance and energy regenerating utilize,
Including two-way pump, solenoid directional control valve, accumulator, electricity proportional pressure-reducing valve, overflow valve, check valve, controller and LOAD CELLS;Institute
The Single port of the two-way pump stated is connected with fuel tank by the first pipeline, and the another port of two-way pump is by second pipe with fuel tank even
Logical, second pipe is provided with check valve, and check valve only allows liquid to flow to two-way pump from fuel tank;The fuel feed hole of solenoid directional control valve with
Second pipe connects, and the first oil outlet of solenoid directional control valve is connected with fuel tank by the 3rd pipeline, and the 3rd pipeline is provided with unidirectional
Valve, accumulator and overflow valve, check valve is between solenoid directional control valve and accumulator;The second of described solenoid directional control valve is fuel-displaced
The 4th pipeline and the 3rd pipeline communication are passed through in hole, and the 4th pipeline is provided with check valve, accumulator and the 4th pipeline by the 5th pipe
Road connects, and the 5th pipeline is provided with solenoid-operated proportional air relief valve, and LOAD CELLS, solenoid-operated proportional air relief valve and solenoid directional control valve are respectively
It is connected with controller.
In the device that above-mentioned tractive driving apparatus of load balance and energy regenerating utilize, described the 3rd pipeline and second
Pipeline communication, connectivity part is between fuel tank and check valve.
In the device that above-mentioned tractive driving apparatus of load balance and energy regenerating utilize, the overflow valve position on the 3rd pipeline
Between accumulator and fuel tank, the connectivity part of the 4th pipeline and the 3rd pipeline is between accumulator and overflow valve.
The tractive driving equipment of a kind of device utilizing above-mentioned tractive driving apparatus of load balance and energy regenerating to utilize is born
Carry balance and the method for energy regenerating utilization, comprise the steps:
1) two-way pump is connected with traction machine;Bearing sensor is arranged on car;
2) when in car passenger less up time or when in car passenger more descending time, controller receive LOAD CELLS load
Signal and elevator run signal, it is judged that backward solenoid directional control valve output commutation signal, solenoid directional control valve obtain electric after, control pressure current
Body flow direction so that it is can only be flowed to through the 3rd pipeline flow-direction accumulator by two-way pump end;Accumulator stores by choke valve
Pressure fluid, it is achieved the recovery of energy;
When in car passenger less descending time or when in car passenger more up time, controller receive LOAD CELLS load letter
Number and elevator run signal, it is judged that backward solenoid directional control valve, solenoid-operated proportional air relief valve output control signal;Solenoid-operated proportional air relief valve
Be controlled by the controller output and the pressure fluid loading proportional force value;Solenoid directional control valve is controlled by the controller, and makes pressure current
Body is flowed to two-way pump by solenoid-operated proportional air relief valve;Two-way pump is stressed fluid drives, is in motor operating conditions, together drives with traction machine
Dynamic load, reduces the load of traction machine, it is achieved the recycling recovered energy and traction machine two ends load balance relatively.
Compared with prior art, the present invention has a following Advantageous Effects:
1) present invention can realize the recycling of tractive driving energy, if being applied to tracking-driven elevator, can reduce its energy consumption,
Calculating with existing elevator recoverable amount, economic effect is obvious.
2) present invention can balance the load of traction machine two ends, on the premise of traction capacity is identical, improves the volume of elevator
Determine loading capacity;Reduce tractive driving cell capability to reduce production cost;Reduce traction frictional force demand to alleviate car deadweight
And counterweight mass;Reduce car deadweight and counterweight inertia load, improve fair acceleration and reduce natural frequency, beneficially elevator
Stable operation.
Accompanying drawing explanation
The towed elevator load balance of Fig. 1 present invention and the structure chart of energy recycling device.
Installation knot on elevator when Fig. 2 is towed elevator load balance and the energy recycling device use of the present invention
Composition.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is further described.
As shown in Figure 1, 2, the device that the tractive driving apparatus of load balance of the present invention and energy regenerating utilize, including two-way
Pump 1, solenoid directional control valve 5, accumulator 2, electricity proportional pressure-reducing valve 4, overflow valve 6, controller 9 and LOAD CELLS 10;Described is double
Being connected with fuel tank 8 by the first pipeline 81 to the Single port of pump 1, another port is connected with fuel tank 8 by second pipe 82, and second
Pipeline 82 is provided with check valve 7, and 7, check valve allows liquid to flow to two-way pump 1 from fuel tank 8.The fuel feed hole of solenoid directional control valve 5 with
Second pipe 82 connects, and the first oil outlet of solenoid directional control valve 5 is connected with second pipe 82 by the 3rd pipeline 83, the 3rd pipeline
83 and the junction of second pipe 82 between check valve 7 and fuel tank 8.3rd pipeline 83 is provided with check valve 71, accumulator 2
With overflow valve 6, check valve 71 is between solenoid directional control valve 5 and accumulator 2.Second oil outlet of described solenoid directional control valve 5
Connected with the 3rd pipeline 83 by the 4th pipeline 84, at the 4th pipeline 84 and the 3rd pipeline 83 company, be positioned at overflow valve 6 and accumulator 2
Between;4th pipeline is provided with check valve 72.Accumulator 2 and the 4th pipeline 84 are connected by the 5th pipeline 85, and junction is positioned at
Between solenoid directional control valve 5 and check valve 72;5th pipeline 85 is provided with solenoid-operated proportional air relief valve 4.LOAD CELLS 10, electromagnetism ratio
Example air relief valve 4 and solenoid directional control valve 5 are connected with controller 9 respectively.
The method that a kind of tractive driving apparatus of load balance and energy regenerating utilize, including following process:
1) traction sheave of two-way pump 1 with traction machine 11 is connected, and makes two-way pump 1 coaxial with traction sheave;By bearing sensor
10 are arranged on car 13.
2) when in car 13 passenger less up time, the load of counterweight 14 is more than the load of car 13;Or when in car 13
Passenger more descending time, the load of counterweight 14 is less than the load of car 13.The load of traction sheave two ends is made a concerted effort consistent with traffic direction,
Can externally do work or recover energy.Specific implementation method is as follows: two-way pump 1 is coaxial with traction sheave, and equidirectional rotation, by negative
Carry driving of making a concerted effort and pump out pressure fluid, produce the resistance contrary with loading resultant direction, the effect at balance traction sheave two ends simultaneously
Power.Controller 9 receives LOAD CELLS 10 load signal and elevator run signal, it is judged that the output commutation of backward solenoid directional control valve 5
Signal so that it is be in left valve position.Solenoid directional control valve 5 electric after, control pressurised fluid flow direction so that it is can only be by two-way pump 1
Accumulator 2 is flowed to by the 3rd pipeline 83.Accumulator 2 stores the pressure fluid by choke valve 3, it is achieved the recovery of energy.
When in car 13 passenger less descending time, the load of counterweight 14 is more than the load of car 13;Or as passenger in car
More up time, counterweight 14 load is less than the load F of car 13z< Fj.Traction machine 11 two ends load resultant moment and traffic direction phase
Instead, outside offer energy or the recycling recovered energy are provided.Specific implementation method is as follows: the energy of recycling is by accumulator 2
Interior pressure fluid provides, and flows to solenoid-operated proportional air relief valve 4 by choke valve 3.Controller 9 receives the load of LOAD CELLS 10
Signal and elevator run signal, it is judged that backward solenoid directional control valve 5, solenoid-operated proportional air relief valve 4 export control signal.Solenoid-operated proportional subtracts
Pressure valve 4 controlled device 9 controls output and loads the pressure fluid of proportional force value.At solenoid directional control valve 5 controlled device 9 control
In right valve position, pressure fluid is made to be flowed to two-way pump 1 by solenoid-operated proportional air relief valve 4.Two-way pump 1 is stressed fluid drives, is in horse
Reach operating mode, together drive load with traction machine 11, relatively reduce the load of traction machine 11, it is achieved the recycling that recovers energy and draging
Draw machine 11 two ends load balance.
When the energy that device of the present invention reclaims is much larger than the energy recycled, in FIG, fluid pressure in accumulator 2
Power reaches higher limit, and unnecessary fluid can flow back to fuel tank 8 by overflow valve 6 and with protection system and ensure that tractive driving equipment is normal
Run.During the energy deficiency that apparatus of the present invention reclaim, in fuel tank 8, it is pressed into fluid system through atmospheric pressure, is pressed into through check valve 7 double
To pump 1, it is ensured that device and tractive driving equipment that the tractive driving apparatus of load balance of the present invention and energy regenerating utilize are normal
Run.
It is last it is noted that above example is merely to illustrate the present invention and unrestricted technical side described in the invention
Case;Therefore, although this specification with reference to above-described embodiment to present invention has been detailed description, but, this area general
Logical it will be appreciated by the skilled person that still the present invention can be modified or equivalent;And all are without departing from the essence of the present invention
God and the technical scheme of scope and improvement thereof, it all should be contained in scope of the presently claimed invention.
Claims (4)
1. the device that tractive driving apparatus of load balance and energy regenerating utilize, is characterized in that: include that two-way pump, electromagnetism change
To valve, accumulator, electricity proportional pressure-reducing valve, overflow valve, controller and LOAD CELLS;The Single port of described two-way pump is by the
One pipeline connects with fuel tank, and the another port of two-way pump is connected with fuel tank by second pipe, and second pipe is provided with check valve,
Check valve only allows liquid to flow to two-way pump from fuel tank;The fuel feed hole of solenoid directional control valve connects with second pipe, solenoid directional control valve
The first oil outlet connected with fuel tank by the 3rd pipeline, the 3rd pipeline is provided with check valve, accumulator and overflow valve, check valve
Between solenoid directional control valve and accumulator;Second oil outlet of described solenoid directional control valve passes through the 4th pipeline and the 3rd pipeline
Connection, the 4th pipeline is provided with check valve, accumulator and the 4th pipeline and is connected by the 5th pipeline, and the 5th pipeline is provided with electromagnetism
Proportional pressure-reducing valve, LOAD CELLS, solenoid-operated proportional air relief valve and solenoid directional control valve are connected with controller respectively.
In the device that tractive driving apparatus of load the most according to claim 1 balance and energy regenerating utilize, it is characterized in that:
The 3rd described pipeline connects with second pipe, and connectivity part is between fuel tank and check valve.
In the device that tractive driving apparatus of load the most according to claim 1 balance and energy regenerating utilize, it is characterized in that:
Overflow valve on 3rd pipeline between accumulator and fuel tank, the connectivity part of the 4th pipeline and the 3rd pipeline be positioned at accumulator and
Between overflow valve.
4. one kind utilizes in claim 1-3 described in any claim tractive driving apparatus of load balance and energy regenerating profit
Device tractive driving apparatus of load balance and energy regenerating utilize method, comprise the steps:
1) two-way pump is connected with traction machine;Bearing sensor is arranged on car;
2) when in car passenger less up time or when in car passenger more descending time, controller receive LOAD CELLS load
Signal and elevator run signal, it is judged that backward solenoid directional control valve output commutation signal, solenoid directional control valve obtain electric after, control pressure current
Body flow direction so that it is can only be flowed to through the 3rd pipeline flow-direction accumulator by two-way pump end;Accumulator stores by choke valve
Pressure fluid, it is achieved the recovery of energy;
When in car passenger less descending time or when in car passenger more up time, controller receive LOAD CELLS load letter
Number and elevator run signal, it is judged that backward solenoid directional control valve, solenoid-operated proportional air relief valve output control signal;Solenoid-operated proportional air relief valve
Be controlled by the controller output and the pressure fluid loading proportional force value;Solenoid directional control valve is controlled by the controller, and makes pressure current
Body is flowed to two-way pump by solenoid-operated proportional air relief valve;Two-way pump is stressed fluid drives, is in motor operating conditions, together drives with traction machine
Dynamic load, reduces the load of traction machine, it is achieved the recycling recovered energy and traction machine two ends load balance relatively.
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CN201610686773.9A CN106144855B (en) | 2016-08-19 | 2016-08-19 | The method and apparatus that a kind of tractive driving apparatus of load balance and energy regenerating utilize |
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CN201610686773.9A CN106144855B (en) | 2016-08-19 | 2016-08-19 | The method and apparatus that a kind of tractive driving apparatus of load balance and energy regenerating utilize |
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CN106144855A true CN106144855A (en) | 2016-11-23 |
CN106144855B CN106144855B (en) | 2018-10-23 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI628366B (en) * | 2017-10-18 | 2018-07-01 | 國立虎尾科技大學 | Brake method for closing hydraulic brake equipment |
TWI628365B (en) * | 2017-10-18 | 2018-07-01 | 國立虎尾科技大學 | Closed hydraulic brake equipment |
CN111173798A (en) * | 2020-02-06 | 2020-05-19 | 杜杰 | Hydraulic power system for variable counterweight and lifting system with hydraulic power system |
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CN105179343A (en) * | 2015-10-27 | 2015-12-23 | 中国矿业大学 | Multi-cylinder synchronous energy-saving efficient hydraulic lifting system and method |
CN205973385U (en) * | 2016-08-19 | 2017-02-22 | 湖南电气职业技术学院 | Tow drive device load balancing and energy recovery and conversion's device |
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JPH0771409A (en) * | 1993-08-30 | 1995-03-17 | Komatsu Zenoah Co | Hydraulic circuit for elevator device |
CN1439591A (en) * | 2003-03-26 | 2003-09-03 | 浙江大学 | Hydraulic lift energy-saving control system with hydraulic transformer |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN111173798A (en) * | 2020-02-06 | 2020-05-19 | 杜杰 | Hydraulic power system for variable counterweight and lifting system with hydraulic power system |
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Publication number | Publication date |
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Effective date of registration: 20230625 Address after: No. 8, Xincheng Community, Yutan Subdistrict, Ningxiang, Changsha City, Hunan Province 410699 Patentee after: Changsha Zhenzhi Elevator Co.,Ltd. Address before: 411101 No. 2, Tanxia Road, Yuetang District, Xiangtan, Hunan Province Patentee before: HUNAN ELECTRICAL College OF TECHNOLOGY |
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