CN101264840B - Elevator device - Google Patents
Elevator device Download PDFInfo
- Publication number
- CN101264840B CN101264840B CN2008100096263A CN200810009626A CN101264840B CN 101264840 B CN101264840 B CN 101264840B CN 2008100096263 A CN2008100096263 A CN 2008100096263A CN 200810009626 A CN200810009626 A CN 200810009626A CN 101264840 B CN101264840 B CN 101264840B
- Authority
- CN
- China
- Prior art keywords
- braking force
- electromagnet
- brake
- brake pad
- action
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Cage And Drive Apparatuses For Elevators (AREA)
- Braking Arrangements (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
An elevator apparatus is able to correctly detect the normality and abnormality of the hoister. Inputting at least one state condition selected from braking force of electromagnetic brake (6), action force of braking force applying device (9), temperature of braking pad, action position of the braking force removing device (10) between the iron sheet (15) and electromagnet (16), temperature of the electromagnet (16) and current of the electromagnet (16), and at least one state condition selected from action position of the braking force applying device (9), action force of the braking force removing device (10), change range of the action position of the braking force applying device (9) and the braking force removing device (10), action vibration or sound pressure of the electromagnetic brake (6), temperature of the motor (5) and temperature of the coder (7), when the state condition is judged as abnormal by the judging device (18), the elevator is stopped after running to the latest floor.
Description
Technical field
The present invention relates to the lift facility that a kind of conditions according to winch moves control.
Background technology
The structure of existing hoist cable formula lift facility is the bucket type structure, and wherein, volume hangs over the side suspention lift car that winch drives the main hoist cable on the rope sheave, opposite side suspention counterbalanced weight.Said winch by said driving rope sheave, drive the electrical motor of this driving rope sheave and the magnet stopper that lift car and counterbalanced weight remain on halted state constituted, this magnet stopper is by the braking force-applying of the rotating part brake activation power of winch and the braking force decontrol of removing the braking force of this braking force-applying are constituted.In addition, the coder that also has the rotation of the axle that detects said electrical motor and drive rope sheave.
In having the lift facility of said structure, the electrical motor and the magnet stopper of winch are controlled by control setup, drive and brake driving rope sheave with this.Thus, volume hangs over the main hoist cable that drives on the rope sheave and is driven and brake, so that lift car and counterbalanced weight go up and down in hoist trunk and stop.The signal of coder is used for the Spin Control of electrical motor and the position control of lift car.In addition; For example open and disclose a kind of scheme in the 2002-316777 communique the patent of invention spy of Japan of patent documentation 1; It is based on the consideration of secure context, carries out the operation of lift facility (for example with reference to patent documentation 1) according to the electric current of the magnet coil of magnet stopper, the temperature of electromagnet, the temperature of sliding component, the conditionss such as displacement of armature.
In addition; For example open in the flat 01-288590 communique and disclose a kind of scheme the patent of invention spy of Japan of patent documentation 2; When it is in halted state at lift car, detect the rotation of electrical motor through producing motor torque, so that detect the unusual of braking torque.(for example with reference to patent documentation 2)
In addition, for example open in the flat 08-310764 communique the patent of invention spy of Japan of patent documentation 3 and disclose a kind of scheme, it detects the swing offset of disk brake main body retaining part, to judge the elastomeric aging of supporting disk brake main body.(for example with reference to patent documentation 3)
Patent documentation 3 spies open flat 08-310764 communique
In general, because elevator is to be used for the manned vehicle that vertically move, so must take sufficient measure at secure context.Winch must make lift car and counterbalanced weight operation effectively as driving arrangement.Especially, require to work effectively, so that can carry out braking maneuver effectively as the magnet stopper of safety device.Therefore,, be necessary to detect as soon as possible the unusual and fault of the winch that comprises magnet stopper, simultaneously, be necessary after detecting unusual and fault, to run to nearest floor with making elevator safety in order to make elevator operation under the state of safety all the time.And the purpose of said invention such as patent documentation 1 to 3 grade just to achieve these goals.
But, in above-mentioned patent documentation 1 disclosed lift facility and since to winch normally and the part of judging unusually, the setting of conditions just is abundant inadequately, so there is the problem can't further improve lift running safety.
In addition, in the testing fixture of said patent documentation 2 disclosed elevator brake torques, be in check stop torque under the state out of service, have when unusual then send abnormal signal if find braking torque at lift car.Promptly; From the content of this scheme, it judges that according to the measured value of braking torque and the magnitude relationship between the setting value for example the setting value with braking torque is set at 200%; Then measured value is worth at this and is judged as when above normally, less than this value the time, then is judged as unusually.But this scheme exists in measured value than under the little situation of the setting value of braking torque, and what problem the measured value that can't understand braking torque be actually.
In addition; In the apparatus for diagnosis of abnormality of said patent documentation 3 disclosed elevators with drg, it detects the swing offset of disk brake main body retaining part, to judge the elastomeric aging of supporting disk brake main body; But this scheme is not being made consideration aspect the operation of elevator.
Summary of the invention
The present invention makes in order to address the above problem; The object of the present invention is to provide a kind of lift facility; This lift facility can more correctly detect the normal of winch with unusual, and according to testing result make elevator continue operation or drive to nearest floor after out of service.
To achieve these goals, the lift facility of technical scheme 1 of the present invention has winch and conditions judgment means, and this winch comprises: drive rope sheave, a side is connected with lift car, and opposite side and counterbalanced weight bonded assembly master hoist cable volume hang on this driving rope sheave; Electrical motor, this electrical motor moves control by control convenience, is used for driving this driving rope sheave; Coder, this coder are used to detect the rotation information of said driving rope sheave or electrical motor and the location information of lift car; And magnet stopper; This magnet stopper is used for said driving rope sheave and electrical motor are braked; This conditions judgment means is imported the conditions of said winch; And instruct to said control convenience output action according to this conditions; In addition; Said magnet stopper has braking force-applying and braking force decontrol; This braking force-applying with brake pad by on the rotating member that is pressed in said winch and brake activation power; This braking force decontrol is through this braking force-applying of electromagnet opposing; And iron plate being carried out electromagnetic attaction with brake off power through electromagnet, said lift facility is characterised in that, imports all conditionss of temperature of action vibration or acoustic pressure, the temperature of said electrical motor, said coder of rangeability, said magnet stopper of operating position of temperature, current of electromagnet, the operating position of said braking force-applying, the action force of said braking force decontrol, said braking force-applying and said braking force decontrol of the operating position between said iron plate and electromagnet, the electromagnet of the temperature of the action force of the braking force of said magnet stopper, said braking force-applying, said brake pad, said braking force decontrol; Be judged as at least a conditions in said conditions judgment means and occurred when unusual, it is out of service that elevator is driven to behind the nearest floor.
According to this structure, can access a kind of lift facility, this lift facility can more correctly detect the normal and unusual of the winch that comprises magnet stopper, and according to testing result make elevator continue operation or drive to nearest floor after out of service.
In addition; According to technical scheme 1; Technical scheme 2 described lift facilities are characterised in that; The braking force of said magnet stopper is to be in zero load and to be applied at said lift car to make said electrical motor energising under the state of braking force; By the motor torque of said electrical motor generation lift car up direction, and under the condition that the rotating member that detects said electrical motor through said coder does not rotate, the motor torque that from the relation table of known motor current and motor torque, obtains.
According to this structure; Can access a kind of lift facility; This lift facility can obtain actual braking torque; Simultaneously the same with technical scheme 1, can more correctly detect the normal and unusual of the winch that comprises magnet stopper, and make elevator continue operation according to testing result perhaps to drive to behind the nearest floor out of service.
In addition; According to technical scheme 1; Technical scheme 3 described lift facilities are characterised in that; Said braking force-applying is made up of said brake pad, retarding spring and brake control lever; Said brake pad produces braking force through the rotating member of said electrical motor is promptly pushed as the brake wheel that is braked body, and this retarding spring makes said brake pad push said brake wheel side with brake activation power, and said brake control lever connects said brake pad and retarding spring as transom; By the elastic force of the pressure sensor detection that is used to the power that detects in the mechanism that connects said brake pad and retarding spring, detect the operating position of braking force-applying by the position transduser that is used for the detection position in the mechanism that connects said brake pad and retarding spring as the said retarding spring of the action force of said braking force-applying.
According to this structure, can access the lift facility identical with technical scheme 1.
In addition, according to technical scheme 1, technical scheme 4 described lift facilities are characterised in that; Said braking force decontrol is made up of said iron plate, electromagnet and transom; Said iron plate is connected with said brake pad, and said electromagnet is used for iron plate is carried out electromagnetic attaction, and said transom connects said brake pad and perhaps is connected said brake pad and said electromagnet with said iron plate; One in said iron plate and the electromagnet is configured to movable; And another is configured to fix, said braking force decontrol is resisted the application of force of said retarding spring and is carried out electromagnetic attaction, removes pushing with brake off power of said brake pad; Simultaneously, by the electromagnetic attraction of the detection of the pressure sensor on the output rod that is arranged on the movable output that becomes said electromagnet as the said electromagnet of the action force of said braking force decontrol.
According to this structure, can access the lift facility identical with technical scheme 1.
In addition; According to technical scheme 1; Technical scheme 5 described lift facilities are characterised in that; By being arranged on the action vibration that vibration sensor that being used on this magnet stopper detect vibration detects said magnet stopper, perhaps by being arranged on the acoustic pressure that sound pressure sensor that near the being used to magnet stopper detect acoustic pressure detects said magnet stopper.
According to this structure, can access the lift facility identical with technical scheme 1.
In addition, according to technical scheme 1, technical scheme 6 described lift facilities are characterised in that, by being arranged on the temperature that temperature sensor on the said coder detects said coder.
According to this structure, can access the lift facility identical with technical scheme 1.
In addition, according to technical scheme 3 or 4, technical scheme 7 described lift facilities are characterised in that, said position transduser constitutes by carrying out sensor or ON-OFF responding to switch that continuity detects to the position.
According to this structure, can access the lift facility identical with technical scheme 1.
In addition; According to technical scheme 1; Technical scheme 8 described lift facilities are characterised in that; Make the conditions judgment means action of said winch through the on-the-spot pressure action command of elevator setting or from the long-range pressure action command of administrative center, and the judged result of the state judging device of said winch is notified to administrative center.
According to this structure, when obtaining the lift facility identical, can also manage the running state of elevator in administrative center with technical scheme 1.
In addition; According to technical scheme 1; Technical scheme 9 described lift facilities are characterised in that at each storey setting read out instrument, this read out instrument is used for showing " the conditions judgment means of said winch is worked " perhaps contents such as " elevator are out of service ".
According to this structure, when obtaining the lift facility identical, can also on each floor, show the running state of elevator with technical scheme 1.
The invention effect
According to the present invention, can access a kind of lift facility, this lift facility can more correctly detect the normal of winch with unusual, and according to testing result make elevator continue operation or drive to nearest floor after out of service.
Description of drawings
Fig. 1 is the constructional drawing of the lift facility of one embodiment of the invention.
Fig. 2 is the front view of winch of the example of conduct of Fig. 1.
Fig. 3 is the birds-eye view of Fig. 2.
Fig. 4 is the section drawing at the A-A line place of Fig. 2, the constructional drawing that engages between expression electromagnet and the brake control lever.
Fig. 5 is the section drawing of the retarding spring part of Fig. 2.
Fig. 6 a is the front view of the brake pad part of Fig. 2.
Fig. 6 b is the lateral plan of the brake pad part of Fig. 2.
Fig. 7 a is the constitution diagram of current excitation pattern example of magnet coil of the electromagnet of presentation graphs 2, in this example, is big electric current when beginning to switch on, and drops to holding current afterwards.
Fig. 7 b is the constitution diagram of current excitation pattern example of magnet coil of the electromagnet of presentation graphs 2, in this example, cuts off electric current and keeps certain electric current basically from beginning to be energized to.
Fig. 8 is the overall flow figure that carries out the elevator operation through the conditions of the winch of judging Fig. 1.
Fig. 9 is that the braking force of presentation graphs 7 is the diagram of circuit of the affirmation step of braking torque.
Figure 10 is the diagram of circuit of the affirmation step of the braking of presentation graphs 7 action force, position and the temperature that apply the various piece under the state.
Figure 11 is the diagram of circuit of affirmation step of action force, position and the temperature of the various piece under the braking disarm state of presentation graphs 7.
Figure 12 is that the difference that the braking of expression Figure 10 applies the testing result between the braking disarm state of state and Figure 11 is the diagram of circuit of the affirmation step of rangeability.
Figure 13 be presentation graphs 7 apply the diagram of circuit of state from braking force to the affirmation step of removing coil current till the action, vibration, acoustic pressure.
Figure 14 is the figure of expression braking force determination methods of the testing result of the conditions detecting device during with the braking force releasing when applying.
Figure 15 is the figure of expression braking force determination methods of the testing result of the conditions detecting device during with the braking force releasing when applying.
Figure 16 is the figure of expression braking force determination methods of the testing result of the conditions detecting device during with the braking force releasing when applying.
Figure 17 a is the concept map of the method for detecting position of other form of implementation of expression the present invention, has represented among the figure that braking applies state.
Figure 17 b is the concept map of the method for detecting position of other form of implementation of expression the present invention, has represented braking releasing state midway among the figure.
Figure 17 c is the concept map of the method for detecting position of other form of implementation of expression the present invention, has represented the braking disarm state among the figure.
Figure 18 a is the concept map of the method for detecting position of another other form of implementation of expression the present invention, has represented among the figure that braking applies state.
Figure 18 b is the concept map of the method for detecting position of another other form of implementation of expression the present invention, has represented the braking disarm state among the figure.
Nomenclature
1 drives rope sheave
2 main hoist cables
3 lift cars
4 counterbalanceds weight
5 electrical motors
6 magnet stoppers
7 coders
8 winchs
9 braking force-applying
10 braking force decontrols
11 brake wheels
12 brake pads
13 retarding springs
14 brake control levers
15 iron plates
16 electromagnet
The 16a transom
17 control setups
18 conditions judgment means
19 conditionss
20 are provided with the scene
21 administrative centers
22 read out instruments
35～38 position transdusers
40,42,43 pressure sensors
44～47 temperature sensors
49 vibratioies sensor
50 sound pressure sensors
The specific embodiment
Followingly form of implementation of the present invention is described with reference to accompanying drawing.
Fig. 1 is the constructional drawing of the lift facility of expression one embodiment of the invention; Fig. 2 is the front view of winch of the example of conduct of Fig. 1; Fig. 3 is the birds-eye view of Fig. 2; Fig. 4 is the section drawing at the A-A line place of Fig. 2; Snap-fit relationship between expression electromagnet and the brake control lever; Fig. 5 is the section drawing of the retarding spring part of Fig. 2; Fig. 6 is the constructional drawing of the brake pad part of Fig. 2, and Fig. 7 (a) and the figure of current excitation pattern example of magnet coil that (b) is the electromagnet of presentation graphs 2, Fig. 8 are that the conditions through the winch of judging Fig. 1 carries out the overall flow figure that elevator moves; Fig. 9 is that the braking force of presentation graphs 7 is the diagram of circuit of the affirmation step of braking torque; Figure 10 is the diagram of circuit of the affirmation step of the braking of presentation graphs 7 action force that applies the various piece under the state, position, temperature, and Figure 11 is the diagram of circuit of affirmation step of action force, position, the temperature of the various piece under the braking disarm state of presentation graphs 7, and Figure 12 is that the difference that the braking of expression Figure 10 applies the testing result between the braking disarm state of state and Figure 11 is the diagram of circuit of the affirmation step of rangeability; Figure 13 is that the braking force of presentation graphs 7 applies the diagram of circuit of state to the affirmation step of removing coil current, vibration and acoustic pressure till the action, and Figure 14 is that the expression braking force is when applying and the figure of the judgement scope of the testing result of the conditions detecting device during the braking force releasing to Figure 16.
In Fig. 1, volume hangs over the two ends that drive the main hoist cable 2 on the rope sheave 1 and engages lift car 3 and counterbalanced weight 4 respectively, and this lift car 3 is hung as bucket type with counterbalanced weight 4.Said driving rope sheave 1 is driven by electrical motor 5, and makes said driving rope sheave 1, electrical motor 5, lift car 3 and counterbalanced weight 4 remain on halted state through magnet stopper 6.Coder 7 detects said electrical motor 5, drives the rotation information of rope sheave 1 and the location information of lift car 3 etc.Winch 8 is made up of said driving rope sheave 1, electrical motor 5, magnet stopper 6 and coder 7.
Said magnet stopper 6 is by to the braking force-applying 9 of the rotating part brake activation power of winch 8 and this braking force-applying 9 is removed action constitute with the braking force decontrol 10 of brake off power.This braking force-applying 9 is made up of brake pad 12, retarding spring 13 and brake control lever 14; Wherein this brake pad 12 produces braking force through the brake wheel 11 of pushing conduct on the swivel that is arranged on said electrical motor 5 and being braked body; This retarding spring 13 is used to make this brake pad 12 to push said brake wheel 11 sides with brake activation power; This brake control lever 14 is the transoms that connect said brake pad 12 and retarding spring 13; In addition, said braking force decontrol 10 is made up of iron plate shown in Figure 3 15, electromagnet 16 and transom 16a, and wherein iron plate 15 is connected with said brake pad 12; 16 pairs of these iron plates 15 of electromagnet carry out electromagnetic attaction, and this transom 16a is used to connect said brake pad 12 and said iron plate 15 or said brake pad 12 and said electromagnet 16.At this moment, said transom 16a is made up of the brake control lever 14 of L font arm shown in Figure 4 29 and said braking force-applying 9.In addition, the stop mechanism of magnet stopper 6 constitutes by 2 groups.
17 expression control setups, input is fed back in the output of the output of 17 pairs of said coders 7 of this control setup and the charge capacity detector 3a of lift car 3, and the result of input state condition judgement device 18 is with control motor 5.This conditions judgment means 18 is according to the conditions 19 of winch 8; Promptly be selected from the temperature of the action force of the braking force of magnet stopper 6, said braking force-applying, said brake pad, said braking force decontrol the operating position between said iron plate and electromagnet, electromagnet temperature, at least one conditions in the current of electromagnet and be selected from least one conditions in the temperature of action vibration or the acoustic pressure of the rangeability of the operating position of the action force of the operating position of said braking force-applying, said braking force decontrol, said braking force-applying and said braking force decontrol, said magnet stopper, the temperature of said electrical motor, said coder and carry out state and judge; And with this judged result input control device; If just often then normally move, if then drive to when unusual behind the nearest floor out of service.When confirming the braking force of magnet stopper 6, send instruction to control setup 17 and carry out the action command that braking force is confirmed operation.Before the affirmation of the conditions 19 of this winch 8 is operated in elevator and brings into operation or when not having the passenger or the late into the night equal time section carry out automatically.In addition, this affirmation work is perhaps carried out from the remote-operated action command of administrative center 21 according to the pressure action command that sends in elevator setting on-the-spot 20.In addition, when confirming braking force,, then on the read out instrument 22 in each floor entrance hall, show, notify administrative center 21 simultaneously if drive to occasion out of service behind the nearest floor.
Fig. 2 to Fig. 5 representes an example of winch 8.That is, the output shaft 23 of electrical motor 5 is provided with and drives rope sheave 1, brake wheel 11 and coder 7, and is provided with the magnet stopper 6 that this brake wheel 11 is braked.That is to say, winch 8 by said electrical motor 5, drive rope sheave 1, magnet stopper 6 and coder 7 and constitute, these install linearly shape and arrange.
The first integrally formed pedestal of support 5a of 24 expressions and said electrical motor 5,25 expressions are arranged on second pedestal between this first pedestal 24 and the said support 5a.Brake pad 12 respectively with the periphery brake surface 11a butt of said brake wheel 11.Brake control lever 14 has said brake pad 12, and one end thereof 14a is rotatably mounted by said support 5a.Retarding spring 13 is arranged on the spring-loaded member 26; Spring-loaded member 26 then is fixed on said second pedestal 25; The spring rod 27 that is arranged on the other end 14b of brake control lever 14 runs through this spring-loaded member 26 and retarding spring 13 and is fixed by spring mountings 13a, and said brake pad 12 applies pressing force to brake surface 11a.
Said braking force-applying 9 is made up of two groups of brake control levers 14 and retarding spring 13; This brake control lever 14 has with the brake pad 12 of said brake wheel 11 butts and with rotatable mode and is supported, and this retarding spring 13 is configured to push said brake pad 12 so that itself and brake wheel 11 butts through this brake control lever 14.
In said braking force decontrol 10, electromagnet 16 is arranged on first pedestal 24, and in order to remove the pressing force of above-mentioned brake pad 12, the output of dependence electromagnet 16 drives the centre portion 14c of said brake control lever 14 respectively.That is to say; Said magnet stopper 6 by said brake wheel 11, push this brake wheel 11 with the braking force-applying 9 of brake activation power and overcome this pressing force and the braking force decontrol 10 of brake off power constitutes, said braking force-applying 9 and braking force decontrol 10 are respectively arranged with two groups.
Said coder 7 is connected with the output shaft 23 of said electrical motor 5, and being arranged on through leaf spring 28 on said second pedestal 25 with electrical motor 5 opposite sides at said brake wheel 11.
Fig. 4 representes to constitute output and the snap-fit relationship between the brake control lever 14 of the electromagnet 16 of braking force decontrol 10.In Fig. 4,29 expressions are by the rotatably mounted lever-type L font arm of first pedestal 24.The long-armed end 29a of this L font arm 29 engages with the other end 30b of the output of the movable output that becomes said electromagnet 16 rod 30, and galianconism end 29b engages with the centre portion 14c of said brake control lever 14.In the present embodiment, the other end 30b of output rod 30 engages with fastened component 31 on being arranged on brake control lever 14 through L font arm 29, directly engages with brake control lever 14 but also can be arranged to export excellent 30 other end 30b.In addition, said transom 14a is made up of said brake control lever and L font arm 29.
Said braking force decontrol 10 is made up of electromagnet 16 and iron plate 15; Be built-in with magnet coil 33 in the yoke 32 of this electromagnet 16; Electromagnetic attaction face 34 opposite disposed of this iron plate 15 and this electromagnet 16; One end 30a of output rod 30 is connected with this iron plate 15, runs through electromagnet 16 and by supporting slidably, exports opposite with iron plate 15 one side-prominent towards electromagnet 16 of excellent 30 other end 30b.In the present embodiment; Said electromagnet 16 is fixed on first pedestal 24 as fixed body; Iron plate 15 and output rod 30 can move as movable body, but this fixed body and movable body also can be changed setting, promptly; Also can iron plate 15 be fixed on first pedestal 24, be installed on the electromagnet 16 as movable body and will export rod 30.
The action of this winch 8 is described below.Glancing impact, retarding spring 13 makes brake pad 12 push the brake surface 11a of brake wheel 11 through brake control lever 14, thereby forms braking mode.That is to say, owing to electrical motor 5 and driving rope sheave do not rotate for 1 this moment, so winch 8 is in halted state.When brake off power; Make magnet coil 33 energisings and produce magnetic flow, iron plate 15 is attracted at this moment on electromagnetic attaction face 34, through electromagnetic force; Output rod 30 is through L font arm 29; Overcome the spring force and the drive brake arm 14 of retarding spring 13, thus, brake pad 12 leaves brake surface and brake off.That is to say that because electrical motor 5 is in rotatable state, so electrical motor 5 energisings and drive winch 8, winch 8 drives volume and hangs over the main hoist cable 2 that drives rope sheave 1, thereby make the operation of going up and down of lift car 3 and counterbalanced weight 4.
Followingly the detecting device of the conditions 19 that detects winch 8 is described with reference to Fig. 2 to Fig. 7.
Detect the position transduser that is provided with the established part position of continuous detecting brake control lever 14 in the detecting device of operating position of said braking force-applying 9 and said braking force decontrol 10.At this moment, position transduser 35 is arranged on the position that can detect brake pad 12 installation sites, and position transduser 36 is arranged on the position that can detect electromagnet 16 actions.The position of the moving part of electromagnet 16 is detected by the position transduser 37 that is arranged between electromagnet 16 and the iron plate 15.The position transduser 38 that detects retarding spring 13 positions is arranged to and can be detected the position of the spring mountings 13a of fastening spring.
Action force as detecting said braking force-applying 9 is the detecting device of the elastic force of retarding spring 13; Through between spring rod 27 and brake control lever 14, pressure sensor 40 being set to detect; Between brake component 41 that is used to keep brake pad 12 and brake pad 12, laminar pressure sensor 42 is set, to detect pressing force with respect to brake wheel 11.
Action force as detecting said braking force decontrol 10 is the detecting device of the electromagnetic attraction of electromagnet 16, on output rod 30, pressure sensor 43 is set to detect.
As temperature-detecting device; Temperature sensor 44 is set to detect the temperature of electrical motor on the shell of electrical motor 5; Temperature sensor 45 is set to detect the temperature of electromagnet on the shell of electromagnet 16; And the non-rotating part at coder 7 is provided with temperature sensor 46 to detect the temperature of coder, temperature sensor 47 is set to detect the temperature of brake pad 12 on brake pad 12.
As current sensing means, on electric current input line, current sensor 48 is set to detect the electric current of magnet coil 33.In the ordinary course of things; The electric current that in magnet coil 33, flows adopts the pattern shown in Fig. 7 (a); That is, the electric current when beginning to switch on is big, and electric current is reduced to holding current afterwards; Cut off electric current after again, perhaps adopt the pattern that roughly keeps certain electric current till begin to be energized to power supply and be cut off shown in Fig. 7 (b).
Vibration detection device as detecting said magnet stopper 6 vibrations can be provided with vibration sensor 49 and detect at the arbitrary portion of this magnet stopper 6, but preferably is arranged on the position near brake pad 12 of brake control lever 14.
As the detecting device that detects said magnet stopper 6 acoustic pressures, can the arbitrary portion around magnet stopper 6 sound pressure sensor 50 be set and detect, but preferably be arranged on brake wheel 11 or electromagnet 16 near.
The following situation of carrying out the elevator operation of explaining with reference to Fig. 8 through the conditions 19 of winch 8 is judged.
Whether at first, in step 51, confirm braking force braking torque just, be specified value to judge braking torque.Afterwards, in step 52, under braking force applies state,, judge whether the output of the conditions detecting device of various piece is specified value as affirmation to action force, position and the temperature of the various piece of winch 8.After this, in step 53, under the braking force disarm state,, judge whether the output of conditions 19 detecting devices of various piece is specified value as affirmation to action force, position and the temperature of the various piece of winch 8.After this, in step 54, whether obtaining the difference that said braking force applies between detection output and the detection under the braking force disarm state output under the state is rangeability, be specified value to judge this rangeability.After this, in step 55, apply at braking force and to carry out braking force under the state and remove action,, judge whether the output of conditions 19 detecting devices is specified value as affirmation to coil current, vibration and the acoustic pressure of electromagnet 16.If the testing result in the above-mentioned steps 51～55 is specified value, judge that then elevator is in normal condition, can continue operation.In addition,, then be judged as elevator and occurred unusually, and it is out of service that elevator is driven to behind the nearest floor, simultaneously to administrative center's 21 circulars if a certain testing result of said step 51～55 and specified value are not simultaneously.
Following determining step when conditions 19 is judged is described as being the affirmation 51 of braking torque to the braking force among above-mentioned Fig. 8 with reference to Fig. 9.
In step 56, be that braking force applies state with setting state, and make lift car 3 be in light condition, in step 57, make electrical motor 5 energisings produce motor torque with up direction at lift car 3.In step 58, confirm through coder 7 whether brake wheels 11 rotate, in step 59, measure motor current, simultaneously gradually the increasing motor electric current with the increasing motor torque.In step 60, from preprepared motor current and motor torque (that is, because electrical motor 5 is in halted state, think braking torque) relation table in, detect and the cooresponding braking torque of motor current, in step 61, carry out record.In step 62, judge that whether motor current is the motor current with the cooresponding regulation of braking torque of regulation, if answer is negated then to return further increasing motor electric current of step 57.In addition, if the answer of step 62 is sure, can judge that then it is the braking torque of regulation, is in normal condition thereby be judged as.In step 63a, cut off the energising of electrical motor 5, and get into next step processing.In addition; If the answer of step 58 is negated; Then since reach the motor current of regulation (just regulation braking torque) before brake wheel 11 rotation has taken place; Occurred unusually so be judged as elevator, in step 63b, cut off the energising of electrical motor 5 simultaneously, and be for further processing.
Followingly explain as the braking force among above-mentioned Fig. 8 being applied the affirmation 52 of action force, position and the temperature of winch 8 various pieces under the state, the determining step when conditions 19 is judged with reference to Figure 10.
As conditions 19; In step 64, confirm by the pressing force of the detected brake pad 12 of pressure sensor in regular turn and judge whether it is specified value; In step 65, confirm by the spring force of the detected retarding spring 13 of pressure sensor and judge whether it is specified value; In step 66, confirm by the electromagnetic attraction of the detected electromagnet 16 of pressure sensor and judge whether it is specified value; In step 67, confirm by brake control lever 14 positions of detected brake pad 12 parts of position transduser and judge whether it is specified value; In step 68, confirm by the position of the brake control lever 14 of the output snap portions of the detected electromagnet 16 of position transduser and judge whether it is specified value; In step 69, confirm by the position of the moving part of the detected electromagnet 16 of position transduser and judge whether it is specified value; In step 70, confirm by the position of the detected retarding spring 13 of position transduser and judge whether it is specified value; In step 71, confirm by the temperature of the detected brake pad 12 of temperature sensor and judge whether it is specified value, in step 72, confirm by the temperature of the detected electromagnet 16 of temperature sensor and judge whether it is specified value, in step 73, confirm by the temperature of the detected coder of temperature sensor and judge whether it is specified value; If above-mentioned each result who judges is a specified value, judge that then it is in normal condition and gets into next step processing.In addition, if the result of said each detecting device has exceeded specified value, then be judged as and occurred unusual and be for further processing.
The determining step that conditions 19 is judged followingly is described as the affirmation 53 to action force, position and the temperature of winch 8 various pieces under the braking force disarm state among above-mentioned Fig. 8 with reference to Figure 11.Promptly; As illustrated in fig. 10; Judge in regular turn in step 74 to step 83 whether by the detected testing result of pressure sensor, position transduser and temperature sensor as the detecting device of various piece be specified value; If identical, then be judged as and be in normal condition and get into next step processing with specified value.In addition, if said each the result of detecting device has exceeded specified value, then be judged as and occurred unusual and get into next step processing.
Followingly affirmation 54 as the rangeability of the action force and the position that the braking force among above-mentioned Fig. 8 are applied winch 8 various pieces between state and the braking force disarm state is described, the determining step that conditions 19 is judged with reference to Figure 12.Promptly; Affirmation result's the difference that the braking force of judging above-mentioned Figure 10 applies action force and the position of winch 8 various pieces between the braking force disarm state of state and above-mentioned Figure 11 is whether the result of rangeability is specified value; Be to judge in step 84 in regular turn whether the rangeability of the pressing force of brake pad 12 is specified value specifically; Whether the rangeability of in step 85, judging the spring force of retarding spring 13 is specified value; Whether the rangeability of in step 86, judging the electromagnetic attraction of electromagnet 16 is specified value; Whether the rangeability of in step 87, judging brake control lever 14 positions of brake pad 12 parts is specified value; Whether the rangeability of position of brake control lever 14 of in step 88, judging the output snap portions of electromagnet 16 is specified value, judges in step 89 whether the rangeability of the moving part position of electromagnet 16 is specified value, judges in step 90 whether the rangeability of the position of retarding spring 13 is specified value; If identical, then be judged as and be in normal condition and get into next step processing with specified value.In addition, if the testing result of said each detecting device is different with specified value, then judgement has occurred unusual and has got into next step processing.
The determining step that conditions 19 is judged followingly is described as to applying the affirmation 55 of state to coil current, vibration and the acoustic pressure of removing the electromagnet 16 till the action from braking force among above-mentioned Fig. 8 with reference to Figure 13.
As conditions 19; Judge in step 91 in regular turn whether the coil current by current sensor 48 detected electromagnet 16 is specified value; Judge in step 92 whether the action vibration by vibration sensor 49 detected magnet stoppers 6 is specified value; Judge in step 93 whether the action acoustic pressure by sound pressure sensor 50 detected magnet stoppers 6 is specified value, if identical with specified value, judges that then it is in normal condition and gets into next step processing.In addition, if the result of said each detecting device is different with specified value, then is judged as and has occurred unusual and get into next step processing.
At this moment, elevator is in halted state under the state owing to applying at braking force, so coil current is zero, vibration is in the ambient vibration state, and acoustic pressure is in the ambient sound pressure condition, so the rangeability till detecting from this state to braking releasing action.In addition, coil current has the powered-on mode shown in above-mentioned Fig. 7 (a) and (b), in the occasion of Fig. 7 (a), with maximum current and holding current as specified value, in the occasion of Fig. 7 (b), with maximum current or holding current as specified value.
In this form of implementation; If not satisfy whole conditionss then to be judged as be that example is described unusually; But also can be set to import the temperature of the action force of the braking force that is selected from said magnet stopper, said braking force-applying, said brake pad, said braking force decontrol the operating position between said iron plate and electromagnet, electromagnet temperature, at least one conditions in the current of electromagnet and be selected from least one conditions in the temperature of action vibration or the acoustic pressure of the rangeability of the operating position of the action force of the operating position of said braking force-applying, said braking force decontrol, said braking force-applying and said braking force decontrol, said magnet stopper, the temperature of said electrical motor, said coder; Occurred when unusual when said conditions judgment means is judged as, it is out of service that elevator is driven to behind the nearest floor.
Following when applying and the determination methods of the testing result of the detecting device of the conditions 19 of braking force when removing with reference to the said braking force of Figure 14 to 16 explanation.
Figure 14 can be applied to the following conditions in the conditions 19 among Fig. 1.
These conditionss refer to that specifically as the operating position of the spring force of the action force of braking bringing device, braking bringing device, as the action force of braking bringing device be that operating position, the braking of electromagnetic attraction, the brake removing device of electromagnet 16 applies action force and the rangeability of operating position between state and the braking disarm state
That is, each specified value is set at:
Braking force applies specified value=expected value (the B1) ± permissible range (α 1) of the testing result under the state
Specified value=the expected value of the testing result under the braking force disarm state (B2) ± permissible range (β 1)
Braking force applies specified value=expected value (B3) ± permissible range (γ 1) of the rangeability result of state and braking force disarm state, is judged as in the time of in the afore mentioned rules value normally, then is judged as unusual in the time of beyond the afore mentioned rules value.
In addition, Figure 15 can be applied to the coil current of the electromagnet 16 among Fig. 1.For example, shown in above-mentioned Fig. 7 (a), if it is big to be set at when beginning to switch on electric current; Behind certain hour, become the coil current pattern of holding current; Then detect maximum current and holding current when beginning to switch on, and the same with above-mentioned Figure 14, each specified value is set at:
Specified value=the expected value of holding current (B4) ± permissible range (α 2)
Specified value=the expected value of maximum current (B5) ± permissible range (β 2) is judged as in the time of in the afore mentioned rules value normally, then is judged as unusual in the time of beyond the afore mentioned rules value.
If set for shown in Fig. 7 (b) from begin to be energized to the coil current pattern that keeps certain electric current till the supply disconnecton always, then can with maximum current shown in Fig. 7 (a) or the carrying out in the holding current detect one as specified value.
In addition, Figure 16 can be applied to the following conditions in the conditions 19 of Fig. 1.
These conditionss specifically refer to the sound of brake pad temperature, electromagnet temperature, motor temperature, coder temperature, brakeage vibration and drg action.That is, expected value (B6) ± permissible range (α 3) that target temperature, target magnitude of vibrations and target acoustic pressure is big or small is judged as in the time of in the afore mentioned rules value normally as specified value, then is judged as unusual in the time of beyond the afore mentioned rules value.
Followingly other form of implementation is described to Figure 17 (c) with reference to Figure 17 (a).
Figure 17 (a) is to the method for detecting position of other form of implementation of Figure 17 (c) expression the present invention.Be that with the difference of above-mentioned form of implementation of the present invention in above-mentioned form of implementation, said position transduser detects continuously, and in this form of implementation, position transduser is made up of the ON-OFF switch.
When applying state and be benchmark, shown in Figure 17 (a), detect brake control lever or the retarding spring of Fig. 4 or the position of iron plate as above-mentioned Fig. 2 of body 94 to be detected by 4 switches with the braking shown in Figure 17 (a).Promptly; Apply aspect the specified value under the state in the braking shown in above-mentioned Figure 14; Make switch 95 corresponding with expected value (B1)-permissible range (α 1); Make switch 96 corresponding, make switch 97 corresponding, make switch 98 corresponding with expected value (B2)+permissible range (β 1) with expected value (B2)-permissible range (β 1) with expected value (B1)+permissible range (α 1).Aspect direction, general+side is removed direction of action as braking force.
Therefore, shown in Figure 17 (b), carrying out braking force when removing action, body 94 to be detected be in braking force remove action midway the time, at first by switch 97 responses, after further action, shown in Figure 17 (c), finish braking force and remove action.Carry out Figure 17 (a) to the action of Figure 17 (c) at this body to be detected, switch 97 has been responded and switch 98 does not have the state of response as normal condition, two switches 97,98 all responds the state that perhaps do not respond as error state.In addition; At body 94 to be detected when braking force applies direction that court and braking force under the state remove direction of action and moves; Be judged as switch 96 has been responded and switch 95 does not have the state of response as normal condition, two switches 95,96 all responds the state that perhaps do not respond as error state.
According to this form of implementation, compare with having used expensive continuous detecting type position transduser in the above-mentioned form of implementation, owing to used the ON-OFF switch of microswitch etc., so can obtain effect with cheap price structure sensor.
Below further other form of implementation is described with reference to Figure 18 (a) and Figure 18 (b).
The Figure 18 (a) and (b) method for detecting position of expression the present invention other form of implementation.Be with the difference of above-mentioned form of implementation, in above-mentioned form of implementation, adopted the structure that constitutes by 4 ON-OFF switches, and in this form of implementation, adopted the structure that constitutes with 2 ON-OFF switches.Promptly; The ON-OFF switch is arranged to remove the expected value (B2) of direction of action with the braking force of body 94 to be detected and to remove the expected value (B1) of direction of direction of action corresponding with braking force; On braking force is removed direction, when less than the specified value of position, be judged as and be in error state, and under braking applies state; When court and braking force are removed direction in the opposite direction and are moved in the position, with more than the specified value as error state.
When applying state and be benchmark, shown in Figure 18 (a), use 2 switches to detect position as the iron plate of the retarding spring of the brake control lever of above-mentioned Fig. 2 of body 94 to be detected or Fig. 5 or Fig. 4 with the braking of Figure 18 (a).That is, apply aspect the specified value under the state, make switch 99 corresponding, make switch 100 corresponding with expected value (B2) with expected value (B1) in above-mentioned braking shown in Figure 14.
Therefore, shown in Figure 18 (b), remove in the action at braking force, when braking force is removed release, if switch 100 responses then are judged as and are in normal condition, if not response of switch 100, then be judged as occurred unusual.In addition, under braking force applies state, at body 94 to be detected when the direction of removing direction of action with braking force moves, if not response of switch 99 then is judged as and is in normal condition, and if switch 99 has responded, then be judged as occurred unusual.
According to this form of implementation, through limiting detection range, make the ON-OFF switch of microswitch etc. reduce to two, to compare with above-mentioned form of implementation, it is half that the quantity of switch has reduced, so can obtain the effect with more cheap price structure sensor.
Claims (5)
1. lift facility, it has winch and conditions judgment means, and this winch comprises: drive rope sheave, roll up on this drivings rope sheave and hang with the main hoist cable that a side engages with lift car, opposite side engages with counterbalanced weight; Electrical motor, this electrical motor moves control by control convenience, is used for driving this driving rope sheave; Coder, this coder are used to detect the rotation information of said driving rope sheave or electrical motor and the location information of lift car; And magnet stopper, this magnet stopper is used for said driving rope sheave and electrical motor are braked, and said conditions judgment means is imported the conditions of said winch; And instruct to said control convenience output action according to this conditions; In addition, said magnet stopper has braking force-applying and braking force decontrol, this braking force-applying with brake pad by on the rotating member that is pressed in said winch and brake activation power; This braking force decontrol is through this braking force-applying of electromagnet opposing; And iron plate being carried out electromagnetic attaction with brake off power through electromagnet, said lift facility is characterised in that
Import all conditionss of temperature of action vibration or acoustic pressure, the temperature of said electrical motor, said coder of rangeability, said magnet stopper of operating position of temperature, current of electromagnet, the operating position of said braking force-applying, the action force of said braking force decontrol, said braking force-applying and said braking force decontrol of the operating position between said iron plate and electromagnet, the electromagnet of the temperature of the action force of the braking force of said magnet stopper, said braking force-applying, said brake pad, said braking force decontrol; Be judged as at least a conditions in said conditions judgment means and occurred when unusual, it is out of service that elevator is driven to behind the nearest floor.
2. lift facility as claimed in claim 1 is characterized in that,
The braking force of said magnet stopper is to be in zero load and to be applied at said lift car to make said electrical motor energising under the state of braking force; Produce the motor torque of lift car up direction by said electrical motor; And under the condition that the rotating member that detects said electrical motor through said coder does not rotate, the motor torque that from the relation table of known motor current and motor torque, obtains.
3. lift facility as claimed in claim 1 is characterized in that,
Said braking force-applying is made up of said brake pad, retarding spring and brake control lever; Said brake pad produces braking force through the rotating member of said electrical motor is promptly pushed as the brake wheel that is braked body; This retarding spring makes said brake pad push said brake wheel side with brake activation power; Said brake control lever connects said brake pad and retarding spring as transom; By the elastic force of the pressure sensor detection that is used to the power that detects in the mechanism that connects said brake pad and retarding spring, detect the operating position of braking force-applying by the position transduser that is used for the detection position in the mechanism that connects said brake pad and retarding spring as the said retarding spring of the action force of said braking force-applying.
4. lift facility as claimed in claim 1 is characterized in that,
Said braking force decontrol is made up of said iron plate, electromagnet and transom; Said iron plate is connected with said brake pad; Said electromagnet is used for this iron plate is carried out electromagnetic attaction; Said transom connects said brake pad and said iron plate or is connected said brake pad and said electromagnet, and it is movable that in said iron plate and the electromagnet one is configured to, and another is configured to fix; Said braking force decontrol is resisted the application of force of said retarding spring and is carried out electromagnetic attaction; Remove pushing of said brake pad with brake off power, simultaneously, by the electromagnetic attraction of the detection of the pressure sensor on the output rod that is arranged on the movable output that becomes said electromagnet as the said electromagnet of the action force of said braking force decontrol.
5. lift facility as claimed in claim 1 is characterized in that,
By being arranged on the temperature that temperature sensor on the said coder detects said coder.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007065322A JP4574636B2 (en) | 2007-03-14 | 2007-03-14 | Elevator equipment |
| JP2007-065322 | 2007-03-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101264840A CN101264840A (en) | 2008-09-17 |
| CN101264840B true CN101264840B (en) | 2012-05-09 |
Family
ID=39841455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100096263A Expired - Fee Related CN101264840B (en) | 2007-03-14 | 2008-02-19 | Elevator device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4574636B2 (en) |
| CN (1) | CN101264840B (en) |
| HK (1) | HK1119646A1 (en) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5371718B2 (en) * | 2009-12-02 | 2013-12-18 | 株式会社日立製作所 | Elevator |
| JP2011121669A (en) | 2009-12-09 | 2011-06-23 | Nippon Otis Elevator Co | Abnormality detecting device of electromagnetic brake in elevator |
| JP2011136837A (en) * | 2010-01-04 | 2011-07-14 | Toshiba Elevator Co Ltd | Elevator system |
| JP5429808B2 (en) * | 2010-01-29 | 2014-02-26 | 東芝エレベータ株式会社 | Elevator hoisting machine brake |
| EP2537790B1 (en) * | 2010-02-19 | 2019-03-27 | Mitsubishi Electric Corporation | Elevator device |
| WO2011158871A1 (en) * | 2010-06-16 | 2011-12-22 | Natac株式会社 | Method for monitoring damage to wire rope for elevator and device for monitoring damage to wire rope for elevator |
| JP5676310B2 (en) * | 2011-03-01 | 2015-02-25 | 東芝エレベータ株式会社 | Elevator control device |
| WO2012131840A1 (en) * | 2011-03-25 | 2012-10-04 | 三菱電機株式会社 | Elevator device |
| WO2015086566A1 (en) * | 2013-12-09 | 2015-06-18 | Inventio Ag | Brake force monitoring of an elevator brake |
| JP6314074B2 (en) * | 2014-10-29 | 2018-04-18 | 株式会社日立製作所 | Brake device, hoisting machine and elevator device |
| JP6603483B2 (en) * | 2015-05-28 | 2019-11-06 | 株式会社日立ビルシステム | Abnormality detection apparatus and abnormality detection method |
| CN105565100B (en) * | 2016-02-05 | 2018-10-09 | 溧阳市天目湖中等专业学校 | A kind of elevator safety real-time inspection and control system and its control method |
| CN106335825B (en) * | 2016-11-18 | 2018-11-06 | 甘肃艾唯达电子科技有限公司 | Elevator operation intelligent monitor system |
| JP7141224B2 (en) * | 2018-03-14 | 2022-09-22 | ミネベアミツミ株式会社 | WHEEL MODULE, MOVEMENT MECHANISM, AND CONTROL METHOD OF WHEEL MODULE |
| EP3556704B1 (en) * | 2018-04-16 | 2023-08-30 | KONE Corporation | An elevator brake |
| US20210101782A1 (en) * | 2019-10-04 | 2021-04-08 | Otis Elevator Company | Electromagnetic brake temperature monitoring system and method |
| JPWO2021234807A1 (en) * | 2020-05-19 | 2021-11-25 | ||
| CN111853100B (en) * | 2020-07-31 | 2022-03-08 | 日立电梯（广州）自动扶梯有限公司 | Escalator brake system and control method |
| CN112678708B (en) * | 2020-12-30 | 2022-04-29 | 科捷智能科技股份有限公司 | Protection method for preventing rope belt of hoist from breaking |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52121250A (en) * | 1976-04-05 | 1977-10-12 | Toshiba Corp | Apparatus for protecting elevator from overload |
| JPS58104881A (en) * | 1981-12-16 | 1983-06-22 | 株式会社日立製作所 | Method of measuring braking force of brake in rope type elevator |
| JPS61287684A (en) * | 1985-06-13 | 1986-12-18 | 日立エレベ−タサ−ビス株式会社 | Detector for state of operation of electromagnetic brake forelevator |
| JPH04350072A (en) * | 1991-05-27 | 1992-12-04 | Hitachi Ltd | Elevator drive device |
| JPH05213567A (en) * | 1992-02-06 | 1993-08-24 | Toshiba Corp | Braking device for elevator |
| JPH0672673A (en) * | 1992-08-26 | 1994-03-15 | Toshiba Corp | Electromagnetic brake device for elevator |
| JPH0672672A (en) * | 1992-08-31 | 1994-03-15 | Toshiba Corp | Electromagnetic brake for elevator |
| JPH1017246A (en) * | 1996-07-02 | 1998-01-20 | Mitsubishi Denki Bill Techno Service Kk | Braking force setting method of electromagnetic brake of elevator hoist |
| JPH11222371A (en) * | 1998-02-06 | 1999-08-17 | Mitsubishi Electric Building Techno Service Co Ltd | Braking device for elevator |
| JP4273677B2 (en) * | 2001-04-20 | 2009-06-03 | 株式会社日立製作所 | Elevator equipment |
| JP2005247468A (en) * | 2004-03-02 | 2005-09-15 | Mitsubishi Electric Corp | Elevator device |
| WO2007010716A1 (en) * | 2005-07-19 | 2007-01-25 | Kabushiki Kaisha Yaskawa Denki | Encoder having abnormality detection device and its control system thereof |
-
2007
- 2007-03-14 JP JP2007065322A patent/JP4574636B2/en active Active
-
2008
- 2008-02-19 CN CN2008100096263A patent/CN101264840B/en not_active Expired - Fee Related
- 2008-11-27 HK HK08112965.8A patent/HK1119646A1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| JP2008222394A (en) | 2008-09-25 |
| JP4574636B2 (en) | 2010-11-04 |
| HK1119646A1 (en) | 2009-03-13 |
| CN101264840A (en) | 2008-09-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101264840B (en) | Elevator device | |
| CN101243000B (en) | Elevator system | |
| CN101268003B (en) | Elevator apparatus | |
| CN101624157B (en) | System for maintaining brake device of elevator | |
| JP3817218B2 (en) | Elevator brake torque measuring device and measuring method | |
| CN104936815B (en) | Brakes for the brake operating method of track vehicle wheel shaft and for track vehicle | |
| US20100154527A1 (en) | Elevator Brake Condition Testing | |
| JP4273677B2 (en) | Elevator equipment | |
| JP6141278B2 (en) | Brake control device for brake system, brake system, rail vehicle, and operation method of brake system | |
| CN103241611B (en) | Speed detection device, elevator apparatus with same, and checking method of elevator apparatus | |
| JP2008127180A (en) | Elevator system | |
| WO1999043588A1 (en) | Method of inspecting and adjusting governor of elevator | |
| CN105923477B (en) | Elevator | |
| CN101128379B (en) | Elevator apparatus | |
| CN101663223A (en) | Brake for elevator hoist | |
| JP5538751B2 (en) | Elevator control device | |
| JP5264290B2 (en) | Elevator apparatus and braking function inspection method thereof | |
| CN101435743B (en) | Vertical hanging ABS sensor detection drive device | |
| CN109562909A (en) | Method for operating elevator device | |
| CN100572245C (en) | The emergency braking apparatus of lift car | |
| JP3639080B2 (en) | Elevator brake characteristics evaluation system | |
| CN209117769U (en) | Power drive system test platform | |
| CN214502859U (en) | Traction machine brake action test device | |
| JP6578066B2 (en) | Elevator control device | |
| KR20170011241A (en) | Braking force test method of elevator double brake |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| REG | Reference to a national code |
Ref country code: HK Ref legal event code: DE Ref document number: 1119646 Country of ref document: HK |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| REG | Reference to a national code |
Ref country code: HK Ref legal event code: GR Ref document number: 1119646 Country of ref document: HK |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120509 Termination date: 20180219 |