CN109019240A - The anti-carriage accidental movement device of elevator and elevator - Google Patents
The anti-carriage accidental movement device of elevator and elevator Download PDFInfo
- Publication number
- CN109019240A CN109019240A CN201710436952.1A CN201710436952A CN109019240A CN 109019240 A CN109019240 A CN 109019240A CN 201710436952 A CN201710436952 A CN 201710436952A CN 109019240 A CN109019240 A CN 109019240A
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- Prior art keywords
- carriage
- elevator
- brake
- accidental movement
- signal
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
- B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
- B66B5/22—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces by means of linearly-movable wedges
Abstract
The invention discloses a kind of anti-carriage accidental movement devices of elevator, comprising: brake control on the elevator car is arranged；Carriage displacement detecting unit, for detecting the displacement signal of carriage；Car door detection unit, for detecting the switch state signal of car door；Stop door detection unit, for detecting the switch state signal of stop door；Transmission unit, for the switch state signal of the switch state signal of the displacement signal of carriage, car door, stop door to be transmitted to control unit；Control unit, its signal for receiving the carriage displacement detecting unit, car door detection unit, a unit in stop door detection unit or multiple units simultaneously controls the brake assemblies movement according to signal, while so that brake assemblies is inhibited accidental movement of the carriage when layer non-locking door is lived or gate is not turned off by electromagnetic activation power.Invention prevents elevator layer non-locking door live or gate be not turned off in the case where accidental movement the case where.
Description
Technical field
The present invention relates to a kind of lift appliances, and in particular to a kind of anti-carriage accidental movement device of elevator.The present invention also relates to
And a kind of elevator with the anti-carriage accidental movement device of elevator.
Background technique
When elevator is in the case where layer non-locking door is lived or gate is not turned off, any list of host or driving control system is driven
The failure of one components and the accidental movement for causing carriage to leave stop can bring serious risk to the personal safety of passenger.
Chinese patent 201280074267.4 discloses a kind of antichattering system of bearer cable, is wound up into from top
After on the lift car gone up and down in liftway again towards top setting bearer cable antichattering system, be equipped with across
Body should be arranged to make the hoist cable being arranged from above towards lower section with the hoist cable again towards top setting in lift car across body
Top intersect, should across body be arranged in hoist cable intersection position, passed through for each hoist cable and make each hoist cable each other keep
Distance.The installation of the device needs to occupy a large amount of computer rooms and well space, meanwhile, which mainly prevents hoist cable from receiving wind
The shaking of carriage is influenced and caused, but carriage is caused to leave the meaning of stop for the failure of any single components of elevator
The problem of outer movement is not resolved.
Summary of the invention
The present invention is made in view of the practical problem in the presence of the above-mentioned prior art, and it is an object of the invention to mention
For a kind of anti-carriage accidental movement device of elevator, prevent elevator from surprisingly moving in the case where layer non-locking door is lived or gate is not turned off
It is dynamic.
To achieve the above object, the present invention provides a kind of anti-carriage accidental movement device of elevator, comprising: is arranged in elevator car
Brake control on compartment；Carriage displacement detecting unit, for detecting the displacement of carriage, when carriage displacement is greater than given threshold
Shi Suoshu carriage displacement sensor sends the signal to described control unit；Car door detection unit, for detecting car door
Switch state；Stop door detection unit, for detecting the status signal of stop door；Transmission unit, for believing the displacement of carriage
Number, the switch state signal of the switch state signal of car door, stop door be transmitted to control unit；Control unit receives institute
State the signal of carriage displacement detecting unit, car door detection unit, a unit in stop door detection unit or multiple units
And the brake assemblies are controlled according to signal and are acted, while making brake assemblies inhibit carriage in layer non-locking door by electromagnetic activation power
Firmly or gate be not turned off in the case of accidental movement.
Preferably, the brake control includes top brake assemblies and lower part brake assemblies, the top braking parts
Part is used to inhibit the upward accidental movement of lift car, and the lower part brake assemblies are used to inhibit the downward unexpected shifting of lift car
It is dynamic.
Preferably, the top brake assemblies and lower part brake assemblies respectively include:, a support member, to support
State brake assemblies；One brake block, including braking surface and guided surface, the braking surface is to contact or separate cage guide to electricity
Ladder braking resets；One bootstrap block, including guiding face and joint face, the guiding face is to guide the brake block and elevator to lead
Rail contact or separation, the joint face are fixedly connected with support member；One electromagnetic activation component, for receiving described control unit
Electronic signal and generate electromagnetic force control brake block position and the direction of motion；One elastic energy storage element, with institute
It states brake block to be fixedly connected, the pushing force or tractive force that the elastic energy storage element generates brake block are for controlling the system
The position of motion block and the direction of motion.
Preferably, the electromagnetic activation component is electromagnetic actuator, and the guided surface and bootstrap block of brake block is arranged in
Guiding face between, the electromagnetic actuator includes movable part and fixed part, and coil, electric current are equipped on movable part and fixed part
Active force is generated between movable part and fixed part by coil flowing.
Preferably, the electromagnetic activation component is electromagnetic actuator, and the guided surface and bootstrap block of brake block is arranged in
Guiding face between, the electromagnetic actuator includes movable part and fixed part, and wherein movable part is equipped with permanent magnet or coil, simultaneously
Coil or permanent magnet are correspondingly provided on fixed part.
Preferably, the internal component of the lower part brake assemblies and top brake assemblies is symmetrical arranged in upper and lower mirror surface.
Preferably, the gate and/or layer door detection unit include:
Test section, the test section include for generating linear beams light source generator and optical inductor, the light sensation
It answers device for incuding the jump signal for identifying that the light beam disappears or light beam irradiates, and the jump signal is passed through into hop
Feed back to described control unit；
Interference unit, linear beams or or triggering light source generator generation line light for stopping light source generator to generate
Beam irradiates optical inductor；
Described control unit is using the signal processing as the trigger signal for starting the brake assemblies.
Preferably, the interference unit is the block of a protrusion, is placed between light source generator and optical inductor, light under normality
The linear beams that source generator generates is radiated on optical inductor, and the block of protrusion can generate displacement with moment and be in the straight line
On light beam exposure pathways, the linear beams for stopping light source generator to generate suddenly, optical inductor induction recognizes the light beam and disappears
The mutation of mistake, and the jump signal is fed back into control unit.
The invention also discloses a kind of elevator for being equipped with the anti-carriage accidental movement device of elevator, the top brake assemblies
On the side of the elevator car, the lower part brake assemblies are mounted below lift car for installation.
Preferably, the top brake assemblies and lower part brake assemblies are installed in below lift car.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments:
Fig. 1 is the signal that the anti-carriage accidental movement device of elevator of the invention is mounted on a kind of embodiment on elevator
Figure.
Fig. 2 is the brake control structural schematic diagram of the anti-carriage accidental movement device of elevator of the invention.
Fig. 3 is the brake control lower part brake assemblies movement signal of the anti-carriage accidental movement device of elevator of the invention
Figure.
Fig. 4 is the brake control top brake assemblies movement signal of the anti-carriage accidental movement device of elevator of the invention
Figure.
Fig. 5 is the anti-carriage accidental movement device control schematic diagram of elevator of the invention.
Fig. 6 is a kind of embodiment of the anti-carriage accidental movement device carriage displacement detecting unit of elevator of the invention.
Fig. 7 is an embodiment schematic diagram of the gate detection unit of the anti-carriage accidental movement device of elevator of the invention.
Fig. 8 is a kind of internal junction of embodiment of gate detection unit of the anti-carriage accidental movement device of elevator of the invention
Structure schematic diagram.
Fig. 9 is the signal that the anti-carriage accidental movement device of elevator of the invention is mounted on the another embodiment on elevator
Figure.
Figure 10 is a kind of embodiment schematic diagram of electromagnetic actuator in the anti-carriage accidental movement device of elevator of the invention.
Figure 11 is the another embodiment signal of electromagnetic actuator in the anti-carriage accidental movement device of elevator of the invention
Figure.
Description of symbols:
10 elevator, 1 carriage
The left right gate of gate 101b of 101a
130 suspension 1a-1b guide parts
2 guide rails 20 run channel
30 brake assemblies, 3 brake control
The lower part the 3a top brake assemblies 3b brake assemblies
31 brake block, 33 elastic element
35 bootstrap block, 36 elastomer
32 braced frame 32a frame upper plates
46 car door state sensor 46a test sections
46b blocking portion 46c protrusion
46a1 light-emitting component 46a2 light receiving element
48 carriage displacement sensor 48a code bands
49 stop door condition sensor of 48b test section
5 transmission units
8 electromagnetic actuator 8a electromagnetic actuator movable parts
81 supporting element of 8b electromagnetic actuator fixed part
2 83 iron core of 82a~82e coil
84 coil, one 85 permanent magnet
86 mounting plate, 9 control unit
Specific embodiment
As shown in Figure 1, the anti-carriage accidental movement device of elevator is mounted on elevator 10.Elevator 10 is provided with carriage 1, carriage
T-type guide rail 2 is fixedly installed in 1 operation channel 20, carriage 1 is movably set in T-type guide rail 2, and carriage 1 can be in suspension
It is run under the traction of system 130 along about 2 T-type guide rail；The upper and lower part of carriage 1 is respectively arranged with guide part 1a and 1b.Sedan-chair
Brake control is provided on compartment 1.
Fig. 2 shows a kind of structure types of brake control 3.Brake control 3 is by lower device 3a and top
Device 3b composition.Lower device 3a and top brake apparatus 3b are mounted in same braced frame 32.Lower device 3a includes system
Motion block 31, brake block 31 are set to the side of guide rail 2, the braking surface (i.e. close to the front of guide rail 2) and guide surface of brake block 31
Shape has angle between (back side i.e. far from guide rail 2), so that brake block 31 is wedge shaped, (i.e. the guide surface of brake block 31 is oblique
Face)；The braking surface of brake block 31 is parallel with the side of guide rail 2, forms one between the guide surface of brake block 31 and the side of guide rail 2
Angle.Pincers block 35 is fixedly connected with braced frame 32 by elastomer 36；Braced frame 32 is fixedly connected with carriage 1；Brake block 31
It is connected by elastic element with braced frame 32；Electromagnetic actuator 8 is used to keep the position of brake block 31 and limits its movement side
To；Elastomer 36 can make brake block 31 generate the pressing force to guide rail 2.Electromagnetic actuator 8 is by movable part 8a and fixed part 8b
Composition, 8a are fixedly mounted in the guide surface (back side i.e. far from guide rail 2) of brake block 31, and 8b is fixedly mounted in bootstrap block 35
Close brake block 31 side on.The contact surface of bootstrap block 35 and electromagnetic actuator fixed part 8b are inclined-plane, which inclines
Rake angle is matched with the guide surface of brake block 31, and the braking surface to guarantee brake block 31 is parallel with the side of guide rail 2.It can be
The two sides of guide rail 2 are respectively arranged with brake control 3, i.e. each side of guide rail 2 respectively corresponds one brake block 31 of setting；?
Brake control 3 only can be set in the side of guide rail 2, i.e. brake block 31 is arranged in one of side of guide rail 2.Top dress
3b and upper unit 3a is set to arrange symmetrical above and belowly.When elevator is in normal course of operation, the electromagnetism in brake control 3
Actuator 8 controls brake block 31 and keeps position appropriate, and there are gaps between brake block 31 and guide rail 2 at this time.
Fig. 3 is the brake control lower part brake assemblies movement signal of the anti-carriage accidental movement device of elevator of the invention
Figure.When downward accidental movement has occurred in carriage at this time for control unit judgement, control unit controls the electromagnetism in lower device 3a
Actuator 8 act, push brake block 31 move upwards, brake block 31 rubs with guide rail, the frictional force by prevention carriage to
Lower movement.In this course, the brake block in upper unit 3b keeps the position of normal operating condition constant.
Fig. 4 is the brake control top brake assemblies movement signal of the anti-carriage accidental movement device of elevator of the invention
Figure.When upward accidental movement has occurred in carriage at this time for control unit judgement, control unit controls the electromagnetism in lower device 3b
Actuator 8 act, push brake block 31 move downward, brake block 31 rubs with guide rail, the frictional force by prevention carriage to
Upper movement.In this course, the brake block in upper unit 3a keeps the position of normal operating condition constant.
Fig. 5 is the anti-carriage accidental movement device control schematic diagram of elevator of the invention.The anti-carriage accidental movement of elevator
Device has carriage displacement sensor 48, car door state sensor 46 and stop door condition sensor 49, carriage displacement sensing
Device 48 is used to detect the displacement of carriage, and car door state sensor 46 is used to detect the switch state of car door, stop door state
Sensor 49 is used to detect the status signal of stop door.Cage position signal, gate door state signal and stop door state signal
Enter control unit 9 by transmission unit 5.
The threshold value of carriage accidental movement is set as Ltrip, when gate is in door opening state or layer door is in door opening state
When, when movement upwardly or downwardly occurs for carriage greater than threshold value Ltrip, carriage has occurred at this time and surprisingly moves for control unit judgement
It is dynamic, while the mobile direction of carriage is judged according to the position of former and later two moment carriages.It specifies carriage and accidental movement and meaning occurs
Control unit 9 controls electromagnetic actuator 8 and acts behind the direction of outer movement, and brake control triggering braking inhibits carriage into one
Moved further.
Fig. 6 show a kind of carriage displacement detecting scheme, and there is position sensor 48 code band 48a, code band 48a to be arranged in electricity
On the operating path of terraced carriage 1, code uniquely corresponds to a position on 1 operating path of carriage with each coding on 48a, detection
Portion 48b is fixedly mounted in carriage 1, and test section 48b can be with readout code with the coding on 48a.It can in lift car operation
To read the position of carriage in real time by 48b.
Fig. 7 show a kind of detection scheme of gate state, and gate enabling detection unit 46 is by test section 46a and blocking portion
46b composition, test section 46a and blocking portion 46b are separately mounted on gate 101a and gate 101b.When gate is opened, detection is single
Member 46 issues opening signal.
Fig. 8 show a kind of organization plan of gate enabling detection unit 46, test section 46a by light-emitting component 46a1 and by
Optical element 46a2 two parts composition, wherein light-emitting component 46a1 has light-emitting function, arrow direction in the light such as figure of transmitting；By
Optical element 46a2 has sensitization function, has protrusion 46c on blocking portion 46b, blocking portion 46b is close to test section in door closing procedure
46a, the raised 46c when door-closing in-place on blocking portion 46b can block the light of 46a1 sending, and 46a2 can not be received at this time
Light from 46a1, detection unit 46 issue door-closing in-place signal；Blocking portion 46b is far from test section 46a, resistance in door opening process
Protrusion on stopper 46b is detached from light barrier region, and detection unit 46 issues opening signal at this time.
The detection of stop door state, which can be used, detects similar mode with car door state.
Fig. 9 show another arrangement of the anti-carriage accidental movement device of elevator, lower part brake apparatus 3b and top
It brakes in 3a structure independently of each other, can be separately mounted in carriage 1.
Figure 10 shows a kind of scheme of electromagnetic actuator, and actuator 8 is made of movable part 8a and fixed part 8b, wherein can
Dynamic portion 8a is made of iron core 83 and the coil 1 being fixed on iron core 83；Fixed part 8b is by supporting element 81 and is fixed on supporting element
Two 82a of coil~82e composition on 81.When being passed through sinusoidal current in two 82a of coil~82e, air-gap field can be generated, when just
When string curent change, air-gap field will move linearly along 81 length direction of support plate, and the coil 1 in movable part 8a is in shifting
Cutting magnetic line in moving field by induced electromotive force and generates electric current, electric current and air gap magnetic field interaction in coil 1
Electromagnetic force is generated, which will push movable part 8a and fixed part 8b relative motion.By to electric current in coil 82a~82e
Control to control speed and the position of the relatively fixed portion 8b movement of movable part 8a.
Figure 11 shows another scheme of actuator, and the movable member 8a of electromagnetic actuator 8 is by mounting plate 86 and installation
Permanent magnet 85 on mounting plate 86 forms；Fixed part 8b by supporting element 81 and be fixed on supporting element 81 two 82a of coil~
82e composition.Identical as principle shown in Fig. 7, when the sinusoidal current variation in two 82a of coil~82e, air-gap field will be along support
The linear movement of 81 length direction of plate, when passing through electric current in two 82a of coil~82e, air-gap field will be along 81 length side of support plate
To linear movement, electromagnetic force is generated between the permanent magnet 85 in movable part 8a and air-gap field, which pushes movable part
8a and fixed part 8b relative motion.It is relatively fixed to control movable part 8a by the control to electric current in two 82a of coil~82e
The speed of portion's 8b relative motion and position.
The present invention is solved when elevator is in the case where layer non-locking door is lived or gate is not turned off, and drives host or drive control
The accidental movement that the failure of any single components of system causes carriage to leave stop brings seriously the personal safety of passenger
This problem of risk.
Claims (10)
1. a kind of anti-carriage accidental movement device of elevator characterized by comprising
Brake control on the elevator car is set；
Carriage displacement detecting unit, for detecting the displacement signal of carriage；
Car door detection unit, for detecting the switch state signal of car door；
Stop door detection unit, for detecting the switch state signal of stop door；
Transmission unit, for passing the switch state signal of the switch state signal of the displacement signal of carriage, car door, stop door
Transport to control unit；
Control unit receives the carriage displacement detecting unit, car door detection unit, one in stop door detection unit
The signal of unit or multiple units simultaneously controls the brake assemblies movement according to signal, while making braking group by electromagnetic activation power
Part inhibits accidental movement of the carriage when layer non-locking door is lived or gate is not turned off.
2. the anti-carriage accidental movement device of elevator as described in claim 1, it is characterised in that: the brake control includes
Top brake assemblies and lower part brake assemblies, the top brake component are used to inhibit the upward accidental movement of lift car, institute
Lower part brake assemblies are stated for inhibiting the downward accidental movement of lift car.
3. the anti-carriage accidental movement device of elevator as claimed in claim 2, it is characterised in that: the top brake assemblies and under
Portion's brake assemblies respectively include: a support member, to support the brake assemblies；One brake block, including braking surface and led
To face, the braking surface is to contact or separate cage guide to elevator brake or reset；One bootstrap block, including guiding face and company
Junction, for the guiding face to guide the brake block to contact or separate with cage guide, the joint face and support member are solid
Fixed connection；One electromagnetic activation component, for receiving the electronic signal of described control unit and generating electromagnetic force control braking
The position of block and the direction of motion；One elastic energy storage element, is fixedly connected with the brake block, the elastic energy storage element pair
It is used to control position and the direction of motion of the brake block in the pushing force or tractive force of brake block generation.
4. the anti-carriage accidental movement device of elevator as claimed in claim 3, which is characterized in that
The electromagnetic activation component be electromagnetic actuator, be arranged in brake block guided surface and bootstrap block guiding face it
Between, the electromagnetic actuator includes movable part and fixed part, and coil is equipped on movable part and fixed part, and electric current passes through coil stream
It moves and generates active force between movable part and fixed part.
5. the anti-carriage accidental movement device of elevator as claimed in claim 3, which is characterized in that the electromagnetic activation component is electricity
Magnetic actuator is arranged between the guided surface of brake block and the guiding face of bootstrap block, and the electromagnetic actuator includes movable
Portion and fixed part, wherein movable part is equipped with permanent magnet or coil, while coil or permanent magnet are correspondingly provided on fixed part.
6. the anti-carriage accidental movement device of elevator as claimed in claim 3, it is characterised in that:
The internal component of the lower part brake assemblies and top brake assemblies is symmetrical arranged in upper and lower mirror surface.
7. the anti-carriage accidental movement device of elevator as claimed in claim 6, which is characterized in that the gate and/or the inspection of layer door
Surveying unit includes:
Test section, the test section include for generating linear beams light source generator and optical inductor, the optical inductor
For incuding the jump signal for identifying that the light beam disappears or light beam irradiates, and the jump signal is passed through into hop and is fed back
To described control unit；
Interference unit, linear beams or or triggering light source generator generation linear beams photograph for stopping light source generator to generate
Penetrate optical inductor；
Described control unit is using the signal processing as the trigger signal for starting the brake assemblies.
8. the anti-carriage accidental movement device of elevator as claimed in claim 7, which is characterized in that the interference unit is a protrusion
Block is placed between light source generator and optical inductor, and the linear beams that light source generator generates under normality is radiated at photoinduction
On device, the block of protrusion can generate displacement on the linear beams exposure pathways with moment, stop light source generator suddenly
The linear beams of generation, optical inductor induction recognizes the mutation that the light beam disappears, and the jump signal is fed back to control
Unit.
9. a kind of elevator of the installation just like the anti-carriage accidental movement device of elevator described in one of claim 1-8, feature
It is, on the side of the elevator car, the lower part brake assemblies are mounted below lift car for the top brake assemblies installation.
10. a kind of elevator of the installation just like the anti-carriage accidental movement device of elevator described in one of claim 1-8, feature
It is, the top brake assemblies and lower part brake assemblies are installed in below lift car.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710436952.1A CN109019240B (en) | 2017-06-12 | 2017-06-12 | Accidental car moving preventing device for elevator and elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710436952.1A CN109019240B (en) | 2017-06-12 | 2017-06-12 | Accidental car moving preventing device for elevator and elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109019240A true CN109019240A (en) | 2018-12-18 |
| CN109019240B CN109019240B (en) | 2021-08-03 |
Family
ID=64630078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710436952.1A Active CN109019240B (en) | 2017-06-12 | 2017-06-12 | Accidental car moving preventing device for elevator and elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109019240B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2721586Y (en) * | 2004-05-24 | 2005-08-31 | 宁波申菱电梯配件有限公司 | Bidirectional speed limited safety pliers for elevator |
| CN102482054A (en) * | 2009-09-16 | 2012-05-30 | 通力股份公司 | Method and arrangement for preventing the drifting of an elevator car |
| CN205500496U (en) * | 2016-04-22 | 2016-08-24 | 新疆维吾尔自治区特种设备检验研究院 | Device for preventing elevator is unexpected to be removed |
-
2017
- 2017-06-12 CN CN201710436952.1A patent/CN109019240B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2721586Y (en) * | 2004-05-24 | 2005-08-31 | 宁波申菱电梯配件有限公司 | Bidirectional speed limited safety pliers for elevator |
| CN102482054A (en) * | 2009-09-16 | 2012-05-30 | 通力股份公司 | Method and arrangement for preventing the drifting of an elevator car |
| CN205500496U (en) * | 2016-04-22 | 2016-08-24 | 新疆维吾尔自治区特种设备检验研究院 | Device for preventing elevator is unexpected to be removed |
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| Publication number | Publication date |
|---|---|
| CN109019240B (en) | 2021-08-03 |
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