CN206126513U - Device that traction elevator dynamic balance , energy -conservation and reduction dead weight required - Google Patents
Device that traction elevator dynamic balance , energy -conservation and reduction dead weight required Download PDFInfo
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- CN206126513U CN206126513U CN201621157761.9U CN201621157761U CN206126513U CN 206126513 U CN206126513 U CN 206126513U CN 201621157761 U CN201621157761 U CN 201621157761U CN 206126513 U CN206126513 U CN 206126513U
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- 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
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- 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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Abstract
The utility model provides a device that traction elevator dynamic balance, energy -conservation and reduction dead weight required, including supplementary traction device, hydraulic pressure energy memory and electrical control device. Can interconversion through gravitional force and hydraulic pressure to the running behaviour of elevator is optimized to the speed and the direction of control energy conversion during the course, make the pump motor act on traction elevator through accumulator energy storage, energy release, according to elevator load and the real -time corrective action of operation signal power size and direction to the load that reduces the driving sheave both ends is poor, and tows dynamic balance to heavy common realization, through storing unnecessary gravitional force in the accumulator to reduce the negative work that traction motor did in third quadrant work, reduce the traction motor power consumption, realize energy -conserving purpose, through the hydraulic pressure auxiliary drive, reduce the biggest traction demand to reduce the required normal pressure of driving sheave and realize reducing the dead weight requirement.
Description
Technical field
This utility model belongs to elevator technology field, is specifically related to a kind of towed elevator dynamic equilibrium, energy-conservation and reduction
The device that deadweight is required.
Background technology
Existing towed elevator traction machine two ends connect respectively car and counterweight, and tractive driving is produced by traction sheave with steel wire rope
Raw traction（Frictional force）It is driven, elevator operation need to meet claimed below；
1st, elevator need to meet driving and require
Towed elevator meets the requirement of full load accelerated motion, ignores the frictional force of car, counterweight and outside, ignores steel wire
Rope elastic reaction, on traction sheave both sides equation of statics is set up, and is represented by：
（1）
WhereinF f For traction；MBFor car mass；In formulamFor real-time Random Load, 0≤m≤mq, mQFor specified
Loading capacity；kFor stable equilibrium coefficient, value 0.45；MB+kMQ aPeak acceleration, value 1.5 are run for elevator；G is gravity
Acceleration.(mB+kMQ)×(g+a) and (mB+m)×(g+a) it is respectively the load at traction sheave two ends, coefficient of balancekRise certain
Balanced action, load difference and real time loadmInto fixed relationship, preferable operating mode is semi-load, and now traction sheave two ends load is near
Patibhaga-nimitta etc., traction machine load is minimum.
Formula 2 is obtained according to formula 1
（2）
Formula 2 shows, the load that the traction of towed elevator will meet traction sheave two ends is poor, with real time loadmInto fixed pass
System.Its direction is timing, shows that traction machine is operated in first quartile.When direction is to bear, show that traction machine is operated in third quadrant,
Motor is fed to electrical network as electromotor, but at present for, feed voltage and frequency do not reach grid requirements, can only utilize
High-power resistance is consumed to feedback current.
2nd, elevator need to meet safety requirements
When towed elevator counterweight is entirely fallen within buffering, traction should continue to lift up unloaded car, be represented by：
（3）
When two above requirement is met, association type 2, formula 3 have
（4）
By formula 4, under stable equilibrium coefficient, quality m of carbWith nominal load capacity mqExist one it is fixed
Proportionate relationship, nominal load capacity is bigger, and the quality of car is bigger.
Industry forward position has following several technologies 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 is mainly used in the less demanding occasion of the timeliness such as Cargo Lift；Fluid is adjustable, in electricity
One water tank of each placement in terraced machine room and counterweight frame, with flexible watertightness pipeline connection between two casees, while being equipped with electricity in water route
Magnet valve and water pump, automatically control current to realize that elevator balanced state energy-conservation is dragged with traction system balanced signal；Additional drag
Formula, using between car, counterweight and the body of wall for installing rubber cage operation resistance is produced, and changes normal pressure size, so as to change
The size of frictional force, realizes two ends load balance；Additional torque formula, counterweight is made up of static counterweight and dynamic counterweight two parts,
Static counterweight is constituted by counterweight support and to pouring weight, and dynamic counterweight is made up of weight generator and weight controller, static right
Heavy amount is counterweight deadweight, and it conducts oneself with dignity equal to car, and the weight of dynamic counterweight is weight generator in weight controller
Equivalent weight produced by control is lower, it is equal to the load weight in car.Above technology can be effectively realized load balance,
The starting and braking impact of elevator is reduced, but is required to increase extra energy input, it is impossible to while carrying out energy regenerating utilization.
There are following several technologies to attempt energy-conservation：By braking resistor in couveuse, its heat for sending is collected at insulation
In case, stirling generator is recycled to convert heat into electric energy recycling；When traction machine is in generating operation mode, recovery is produced
Raw electric energy, is then delivered to accumulator by controller, when traction machine is in electronic operating mode, adjusts and conveys by controller
The electric energy of output, to the converter of elevator；When traction machine is in generating operation mode, produced electric energy is reclaimed, then by control
Device is delivered to super capacitor, when traction machine is in electronic operating mode, the electric energy exported by controller is adjusted and convey, to elevator
Converter, but super capacitor service life is shorter, and the voltage of feedback will pollute electrical network, and large-scale application is not obtained at present.
Utility model content
In order to solve above-mentioned technical problem, this utility model is provided one kind and can mutually be converted with fluid by gravitional force,
And controlling speed and the direction of energy conversion during, the runnability for optimizing elevator realizes that towed elevator traction dynamic is flat
Weighing apparatus, energy-conservation are required with deadweight is reduced（Counterweight and car are conducted oneself with dignity）Method and device.
Theoretical foundation of the present utility model is：
1st, traction dynamic equilibrium
In this utility model patent, towed elevator Random LoadmWhen, according to elevator load and run signal real-time adjustment
Active force of the pump motor to carF=xmq(g+a) size and direction, then minimum traction be：
（Formula 6）
This utility model is it is characterized in that the weight difference and all-up weight ratio of counterweight and car is used as stable equilibrium coefficient
K, the ratio of pump motor active force and fully loaded load is used as variable coefficient of balancek+x, according to real time loadmSize real-time adjustment
The size and Orientation of pump motor active force, the load that traction sheave two ends are reduced as far as possible is poor, so as to reduce the traction of traction machine
Demand, realizes more accurately traction dynamic equilibrium.
2nd, energy-conservation
When car, passenger is less, when up, to heavy duty car load is more than；Or when car passenger is more, it is right when descending
Heavy duty is less than car load.Under above two operating mode, traction sheave two ends load resultant direction is consistent with traffic direction, traction
Motor does negative work.In this utility model method, the gravitional force for producing with joint efforts is existed by driving pump motor to be converted into pressure energy
Accumulator is stored.
When car, passenger is less, when descending, to heavy duty car load is more than；Or when car passenger is more, it is right when up
Heavy duty is less than car load.Towed elevator two ends load resultant moment with traffic direction conversely, traction motor load is larger.At this
In utility model method, the pressure energy in accumulator drives pump motor to drive car motion acting, reduces the energy of traction motor
Demand.
3rd, reduce deadweight to require
When coefficient of balance is changed into dynamic value from fixed value, meets to drive during elevator cars with full load and want the derivation of equation as follows：
（Formula 7）
Also to meet simultaneously（Formula 3）Safety requirements, such as convolution 3, formula 7, following formula：
（Formula 8）
Contrast 4 and formula 8 show, by add auxiliary driving forceF,Traction sheave two ends counterweight and car deadweight can be reduced
Demand.
The technical solution adopted in the utility model is：
A kind of towed elevator dynamic equilibrium, energy-conservation and the device for reducing deadweight requirement, including auxiliary drag device, hydraulic pressure storage
Can device and electrical control gear；Described auxiliary drag device includes chain, upper sprocket wheel, pump motor and lower sprocket, chain dress
On upper sprocket wheel and lower sprocket, upper sprocket wheel is connected with pump motor, and lower sprocket is provided with tensioner；Chain is connected with car；
Hydraulic accumulation energy device include electric proportional pressure-reducing valve, accumulator, pressure switch, three-position four-way electromagnetic directional valve, two
Two electric change valves of position, shuttle valve, relief valve, fuel tank, selector valve and stroke valve, the two-port of pump motor is respectively by the first pressure
Power oil pipe and second pressure oil pipe are connected with the inlet and outlet of stroke valve；Described first pressure oil pipe passes through many branch oil pipes
The A mouths of A mouths respectively with three-position four-way electromagnetic directional valve, 2/2-way solenoid directional control valve import, shuttle valve and selector valve are connected, institute
B mouth, 2/2-way electromagnetic switch of the second pressure oil pipe stated by many branch oil pipes respectively with three-position four-way electromagnetic directional valve
The B mouths of valve outlet port, shuttle valve and selector valve are connected；Accumulator is connected by the first oil pipe with fuel tank, and the first oil pipe is provided with relay
Device, accumulator is connected with electric proportional pressure-reducing valve import, and electric proportional pressure-reducing valve exports the P mouth phases with three-position four-way electromagnetic directional valve
Even；The T mouths of three-position four-way electromagnetic directional valve are connected with fuel tank；First oil pipe is connected by the second oil pipe with the C mouths of shuttle valve；Select
Valve is connected by fuel sucking pipe with fuel tank；
Electric part includes controller, LOAD CELLS and run signal generator；Controller respectively with LOAD CELLS,
Run signal generator, 2/2-way solenoid directional control valve, electric proportional pressure-reducing valve binding post are connected.
In the device of above-mentioned towed elevator dynamic equilibrium, energy-conservation and reduction deadweight requirement, on the first described oil pipe also
It is provided with relief valve.
In the device of above-mentioned towed elevator dynamic equilibrium, energy-conservation and reduction deadweight requirement, described chain is by fixation
Section is connected with car, and chain is provided with buting iron.
Compared with prior art, the beneficial effects of the utility model are：
During the accumulator of towed elevator dynamic equilibrium of the present utility model, energy-conservation and the device for reducing deadweight requirement will run
Unnecessary transform gravitational energy is hydraulic energy storage, and by the hydraulic energy of storage gravitional force is discharged and be converted into, and realizes energy
Recycle；The releasable size of hydraulic pressure it is controllable and with real-time and load matched, realize load with counterweight dynamic equilibrium；Reduction is draged
The normal pressure of running wheel, realizes reducing traction sheave two ends（Counterweight and car）Deadweight is required；Reduce traction machine to want starting torque
Ask；Reduce requirement of the traction machine to braking moment.Towed elevator, particularly high speed, load capacity towed elevator is conducive to open, make
Dynamic and even running, is one of developing direction of elevator green energy conservation technology.
Towed elevator dynamic equilibrium of the present utility model, energy-conservation and device that deadweight requires is reduced by weight unnecessary in operation
Power potential energy is hydraulic energy storage, and by the hydraulic energy of storage gravitional force is discharged and be converted into, and realizes the recycling of energy,
With 7,000,000 calculating of existing elevator recoverable amount, carbon emission amount can be effectively reduced, reduce elevator customer operating cost.
The device that towed elevator dynamic equilibrium of the present utility model, energy-conservation are required with reduction deadweight can balance traction machine two
End load, compared with traditional towed elevator, under the premise of traction capacity identical, can improve the nominal load capacity of elevator；
Under the premise of nominal load capacity identical, tractive driving cell capability can be reduced to reduce production cost, reduce traction demand,
Reduce requirement of the traction machine to starting torque, reduce requirement of the traction machine to braking moment, reduce elevator manufacturer and purchase into
This.
Towed elevator dynamic equilibrium of the present utility model, energy-conservation with reduce deadweight require device reduce car deadweight and
Counterweight mass requires, can reduce production cost, improve lift car natural frequency, it is to avoid itself and human organ resonance are asked
Topic.Be conducive to towed elevator, particularly high speed, load capacity towed elevator to open, brake and even running, improve elevator ride
Comfort level.
Description of the drawings
The schematic diagram of device that the towed elevator dynamic equilibrium of Fig. 1 utility models, energy-conservation are required with reduction deadweight.
The flow chart of the method that the towed elevator dynamic equilibrium of Fig. 2 utility models, energy-conservation are required with reduction deadweight.
In figure：1- counterweights, 2- controllers, 3- cars, 4- LOAD CELLSs, 6- directional wheels, 7- traction sheaves, 8- chains, 10-
Buting iron, 11- upper sprocket wheels, 12- pump motors, 13- electricity proportional pressure-reducing valves, 16- accumulators, 17- pressure switches, 18- 3-position 4-ways
Solenoid directional control valve, 19- 2/2-way solenoid directional control valves, 20- shuttle valves, 21- relief valve, 22- fuel tanks, 23- selector valves, 24- strokes
Valve, 25- lower sprockets, 26- fixed knots, 27- second pressure oil pipes, 28- first pressure oil pipes, the oil pipes of 30- first, 31- branch oil pipes,
32-branch oil pipe, 33- branch oil pipes, 34- branch oil pipes, 35- branch oil pipes, the oil pipes of 36- second, 37- branch oil pipes, 38- fuel sucking pipes.
Specific embodiment
This utility model is further described below in conjunction with the accompanying drawings.
As shown in figure 1, towed elevator dynamic equilibrium of the present utility model, energy-conservation and the device for reducing deadweight requirement, including
Auxiliary drag device, hydraulic accumulation energy device and electrical control gear；Described auxiliary drag device include fixed knot 26, chain 8,
Upper sprocket wheel 11, pump motor 12, lower sprocket 25 and buting iron 10, chain 8 loaded on upper sprocket wheel 11 and lower sprocket 25, upper sprocket wheel 11 and pump
Motor 12 connects, and lower sprocket 25 is provided with tensioner；Chain 8 is connected by fixed knot 26 with car 3, and buting iron 10 is loaded on chain 8
On.
Hydraulic accumulation energy device includes electric proportional pressure-reducing valve 13, accumulator 16, pressure switch 17,3-position 4-way electromagnetic switch
Valve 18,2/2-way solenoid directional control valve 19, shuttle valve 20, relief valve 21, fuel tank 22, selector valve 23 and stroke valve 24, pump motor 12
Two-port be connected with the inlet and outlet of stroke valve 24 by first pressure oil pipe 28 and second pressure oil pipe 27 respectively；It is described
First pressure oil pipe 28 by branch oil pipe 31, branch oil pipe 33 and, branch oil pipe 37 respectively with the A of three-position four-way electromagnetic directional valve 18
The A mouths of mouth, the import of 2/2-way solenoid directional control valve 19, shuttle valve 20 and selector valve 23 are connected.Described second pressure oil pipe 27 leads to
Cross B mouths, the 2/2-way electromagnetic switch of branch oil pipe 32, branch oil pipe 35, branch oil pipe 34 respectively with three-position four-way electromagnetic directional valve 18
Valve 19 is exported, the B mouths of shuttle valve 20 and selector valve 23 are connected.Accumulator 16 is connected by the first oil pipe with fuel tank, on the first oil pipe
Relay is provided with, accumulator 16 is connected with the electric import of proportional pressure-reducing valve 13, and electric proportional pressure-reducing valve 13 is exported and 3-position 4-way electromagnetism
The P mouths of reversal valve 18 are connected；The T mouths of three-position four-way electromagnetic directional valve 18 are connected with fuel tank 22；First oil pipe 35 is oily by second
Pipe 36 is connected with the C mouths of shuttle valve 20；Selector valve 23 is connected by fuel sucking pipe 38 with fuel tank 22；Pump motor is connected with upper sprocket wheel；
Electric part includes controller 2, LOAD CELLS 4 and run signal generator 27；Controller 2 respectively with biography of weighing
Sensor 4, run signal generator, 2/2-way solenoid directional control valve 19, the electric binding post of proportional pressure-reducing valve 13 are connected.
Using above-mentioned towed elevator dynamic equilibrium, energy-conservation and reduce the device that deadweight requires and drag as shown in Fig. 2 a kind of
Draw elevator dynamic equilibrium, energy-conservation and reduce the method that deadweight is required, comprise the steps：
1) scanning of controller 2 hoistway door, layer door button, the scanning of time delay Posterior circle, the root if ladder is called together if without button
Load detecting link is run up to according to traditional approach control elevator.
2) detection of load measuring sensor 4 car 3 is loaded, and reports to the police and open layer door, hall door in a traditional way if load is overweight,
If without car load being gathered if overweight to controller 2 and the signal detection link that brings into operation.
3) controller 2 receives run signal, and according to run signal, judges uplink state or downstream state.If car reaches
To extreme position, the depression stroke of buting iron 10 control valve 24, cut-out oil circuit is with protection system safety.
4) controller 2 judges and controls hydraulic system accumulation of energy or process auxiliary drive according to run signal and load signal.
5) when accumulation of energy requirement is met and car is up, the output control signal of controller 2 makes three-position four-way electromagnetic directional valve
18 are in middle position, and by fixed knot 26 with the clockwise movement of chain 8, chain 8 drives upper sprocket wheel 11, the up time of lower sprocket 25 to car 3
Pin rotates, and upper sprocket wheel 11 drives pump motor 12 to turn clockwise, and pump motor 12 passes through second pressure oil pipe 27, branch oil pipe 32, props up
Oil pipe 35, selector valve 23, the oil suction in fuel tank 22 of fuel sucking pipe 38.Pump motor 12 passes through first pressure oil pipe 28, branch oil pipe 37, shuttle
Valve 20, the second oil pipe 36, the first oil pipe 30 are to the pump oil of accumulator 16, the storage hydraulic energy of accumulator 16.
When accumulation of energy requirement is met and car is descending, the output control signal of controller 2 makes solenoid directional control valve 18 in middle position,
By fixed knot 26 with the counterclockwise movement of chain 8, chain 8 drives upper sprocket wheel 11, the rotate counterclockwise of lower sprocket 25, cochain to car 3
Wheel 11 drives the rotate counterclockwise of pump motor 12, pump motor 12 to pass through first pressure oil pipe 28, branch oil pipe 37, selector valve 23, oil suction
The oil suction in fuel tank 22 of pipe 38.Pump motor 12 is oily by second pressure oil pipe 27, branch oil pipe 32, branch oil pipe 35, shuttle valve 20, second
Pipe 36, the first oil pipe 30 are to the pump oil of accumulator 16, the storage hydraulic energy of accumulator 16.
When energy-storage pressure exceedes setting value, controller 2 receives the switching signal that pressure switch 17 sends, and output control
It is electric in bottom that signal obtains 2/2-way solenoid directional control valve 19, and the two ends of pump motor 12 are by first pressure oil pipe 28, an oil
Pipe 33, the bottom of 2/2-way solenoid directional control valve 19, branch oil pipe 35, branch oil pipe 32 are directly connected with second pressure oil pipe 27, pump horse
Up to 12 idle running, hydraulic system does not work.
If the electric-control system of controller 2 fails, accumulator 16 and oil circuit pressure are limited by relief valve 21, with protection system peace
Entirely.The first oil pipes of pressure oil Jing 30, the overflow of relief valve 21 in accumulator 16 flows back to fuel tank 22.
When process auxiliary drive requirement and up car is met, the output control signal of controller 2 makes three-dimensional four-way electromagnetic commutate
Valve 18 is in right position, and calculates the electric output pressure of proportional pressure-reducing valve 13 of control according to run signal and load signal.Accumulator 16
Interior pressure oil Jing electricity proportional pressure-reducing valves 13, the right position of three-position four-way electromagnetic directional valve 18, branch oil pipe 35, the pressure of branch oil pipe 32, second
Power oil pipe 27 is input into the cavity of resorption of pump motor 12, oily Jing first pressures oil pipe 28, branch oil pipe 31, the 3-position 4-way electricity of the epicoele of pump motor 12
The right bit stream oil sump tank 22 of magnetic reversal valve 18, pump motor 12 drives upper sprocket wheel 11 to turn clockwise under pressure energy effect, upper sprocket wheel
The clockwise movement of 11 drive chain 8, process auxiliary drive car 3 is moved upwards.
When process auxiliary drive requirement and descending car is met, the output control signal of controller 2 makes 3-position 4-way electromagnetic switch
Valve 18 is in left position, and calculates the electric proportional pressure-reducing valve output pressure of control according to run signal and load signal, in accumulator 16
Pressure oil Jing electricity proportional pressure-reducing valves 13, the left position of three-position four-way electromagnetic directional valve 18, branch oil pipe 31, first pressure oil pipe 28 be input into
The epicoele of pump motor 12, the oily Jing second pressures oil pipe 27, branch oil pipe 32 of the cavity of resorption of pump motor 12, three-position four-way electromagnetic directional valve 18 are left
Bit stream oil sump tank 22, pump motor 12 drives under pressure the rotate counterclockwise of upper sprocket wheel 11, the inverse time of 11 drive chain of upper sprocket wheel 8
Needle movement, process auxiliary drive car 3 is moved downward.
6）When car reaches instruction stop, controller is exported and controls three-position four-way electromagnetic directional valve in middle position, is risen
Brake assisting effect.
Finally it should be noted that：Above example be merely to illustrate this utility model and unrestricted this utility model described by
Technical scheme；Therefore, although this specification has been carried out detailed description to this utility model with reference to above-described embodiment,
It is, it will be understood by those within the art that, still this utility model can be modified or equivalent；And all
Technical scheme and its improvement without departing from spirit and scope of the present utility model, it all should cover will in right of the present utility model
In seeking scope.
Claims (3)
1. a kind of towed elevator dynamic equilibrium, energy-conservation and the device for reducing deadweight requirement, including auxiliary drag device, hydraulic accumulation energy
Device and electrical control gear, is characterized in that：
The auxiliary drag device includes chain, upper sprocket wheel, pump motor and lower sprocket, and chain is loaded on upper sprocket wheel and lower sprocket,
Upper sprocket wheel is connected with pump motor, and lower sprocket is provided with tensioner；Chain is connected with car；
The hydraulic accumulation energy device include electric proportional pressure-reducing valve, accumulator, pressure switch, three-position four-way electromagnetic directional valve, two
Two electric change valves of position, shuttle valve, relief valve, fuel tank, selector valve and stroke valve, the two-port of pump motor is respectively by the first pressure
Power oil pipe and second pressure oil pipe are connected with the inlet and outlet of stroke valve；Described first pressure oil pipe passes through many branch oil pipes
The A mouths of A mouths respectively with three-position four-way electromagnetic directional valve, 2/2-way solenoid directional control valve import, shuttle valve and selector valve are connected, institute
B mouth, 2/2-way electromagnetic switch of the second pressure oil pipe stated by many branch oil pipes respectively with three-position four-way electromagnetic directional valve
The B mouths of valve outlet port, shuttle valve and selector valve are connected；Accumulator is connected by the first oil pipe with fuel tank, and the first oil pipe is provided with relay
Device, accumulator is connected with electric proportional pressure-reducing valve import, and electric proportional pressure-reducing valve exports the P mouth phases with three-position four-way electromagnetic directional valve
Even；The T mouths of three-position four-way electromagnetic directional valve are connected with fuel tank；First oil pipe is connected by the second oil pipe with the C mouths of shuttle valve；Select
Valve is connected by fuel sucking pipe with fuel tank；
The electrical control gear includes controller, LOAD CELLS and run signal generator；Controller respectively with biography of weighing
Sensor, run signal generator, three position four-way directional control valve, 2/2-way solenoid directional control valve, electric proportional pressure-reducing valve binding post phase
Even.
2. towed elevator dynamic equilibrium according to claim 1, energy-conservation and the device for reducing deadweight requirement, is characterized in that：
Relief valve is additionally provided with the first described oil pipe.
3. towed elevator dynamic equilibrium according to claim 1, energy-conservation and the device for reducing deadweight requirement, is characterized in that：
Described chain is connected by fixed knot with car, and chain is provided with buting iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621157761.9U CN206126513U (en) | 2016-11-01 | 2016-11-01 | Device that traction elevator dynamic balance , energy -conservation and reduction dead weight required |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621157761.9U CN206126513U (en) | 2016-11-01 | 2016-11-01 | Device that traction elevator dynamic balance , energy -conservation and reduction dead weight required |
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|---|---|
| CN206126513U true CN206126513U (en) | 2017-04-26 |
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ID=58575946
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|---|---|---|---|
| CN201621157761.9U Expired - Fee Related CN206126513U (en) | 2016-11-01 | 2016-11-01 | Device that traction elevator dynamic balance , energy -conservation and reduction dead weight required |
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| CN (1) | CN206126513U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106395514A (en) * | 2016-11-01 | 2017-02-15 | 湖南科技大学 | Method and device for realizing dynamic balance, energy saving and self-weight requirement reduction of traction elevator |
| CN113526299A (en) * | 2021-07-28 | 2021-10-22 | 西安理工大学 | Energy recovery type elevator for overpass |
| CN113720716A (en) * | 2021-09-01 | 2021-11-30 | 桂林电子科技大学 | Quantitative analysis and service life prediction method for wear degree of elevator traction sheave |
-
2016
- 2016-11-01 CN CN201621157761.9U patent/CN206126513U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106395514A (en) * | 2016-11-01 | 2017-02-15 | 湖南科技大学 | Method and device for realizing dynamic balance, energy saving and self-weight requirement reduction of traction elevator |
| CN106395514B (en) * | 2016-11-01 | 2018-07-10 | 湖南科技大学 | Towed elevator dynamic equilibrium, the energy saving method and device with reducing dead weight requirement |
| CN113526299A (en) * | 2021-07-28 | 2021-10-22 | 西安理工大学 | Energy recovery type elevator for overpass |
| CN113720716A (en) * | 2021-09-01 | 2021-11-30 | 桂林电子科技大学 | Quantitative analysis and service life prediction method for wear degree of elevator traction sheave |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
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