CN104583108B - Lift facility - Google Patents
Lift facility Download PDFInfo
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- CN104583108B CN104583108B CN201280075394.6A CN201280075394A CN104583108B CN 104583108 B CN104583108 B CN 104583108B CN 201280075394 A CN201280075394 A CN 201280075394A CN 104583108 B CN104583108 B CN 104583108B
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- Prior art keywords
- speed
- gear
- lifting body
- sprocket
- driven
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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
- B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
- B66B5/044—Mechanical overspeed governors
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- Mechanical Engineering (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
nullThe lift facility that normal speed when providing a kind of lift car to rise is different from normal speed when declining，This lift facility can save the space needed for speed regulator，And structure can be simplified，For this，It is provided with and is supported and be wound with the rope sheave (9b) of upper end of speed controller rope (9a) and two kinds of (number of teeth is different) driven sprocket (9h1 by trunnion axis (9e),9h2)，And transmission chain bar (9f) can slide into two kinds of driven sprocket (9h1,The gear of either one in 9h2)，Traffic direction according to lift car，Transmission chain bar (9f) is made to be switched to driven sprocket (9h1 via sliding unit (9C),9h2)，By driving bevel gear (9A1) and driven wheel of differential (9A2)，The hypervelocity of regulation when being risen by speed governing portion (9A) detection the hypervelocity of regulation when detecting decline.
Description
Technical field
The present invention relates to normal speed when a kind of lift car rises and normal speed when declining
Different lift facilities and the speed regulator of this lift facility.
Background technology
Lift facility is generally of speed regulator, and this speed regulator persistently monitors lifting body, such as elevator
The rising or falling speed of car, when lift car enters the overspeed condition of regulation, makes lift car
Emergent stopping.
Speed regulator is arranged in the rising or falling speed of lift car and has reached first beyond normal speed
During hypervelocity, cut off the traction machine driving lift car respectively and the control device controlling traction machine
Power supply, makes traction machine stop, and thus makes elevator car safety stop.On the other hand, at elevator
When the decrease speed of car has reached the second hypervelocity because some reason exceeds the speed limit beyond first, speed governing
Device makes setting emergency braking apparatus action on the elevator car, the most mechanically makes elevator
Car emergent stopping.
In recent years, along with the high stratification of building, lift facility is further towards high speed and length
Strokeization develops, and in such lift facility, when lift car lifts, air pressure can occur drastically
Change, cause passenger ear produce earplug sense.During owing to rising with air pressure i.e. elevator
Air pressure change during cage descending is compared, the ear of people more can adapt to air pressure decline time namely
Air pressure change when lift car rises, so in order to reduce earplug sense, needing lift facility
It is arranged to compared with the normal speed (translational speed) of lift car with ascent direction, will decline
The normal speed of the lift car in direction is set to low.
In above-mentioned lift facility, in order to make the lift car entering the overspeed condition of regulation tight
Jerk only, as prior art, in addition to the speed regulator of top, is provided with bottom the most separately and adjusts
Speed device, by being wound on speed controller rope between top rope sheave and bottom rope sheave, enabling
Hypervelocity when detecting respectively and monitor decline and the hypervelocity (referring for example to patent documentation 1) when rising.
Prior art literature
Patent documentation
Patent documentation 1: Japanese Patent Laid-Open 2002-120979 publication
Summary of the invention
The problem that invention is to be solved
, the existing elevator including the lift facility disclosed in above-mentioned patent documentation sets
Standby, owing to needing to be arranged at the rope sheave at liftway top and be arranged on bottom liftway
Speed regulator is individually set on rope sheave, so there are needs to take big quantity space and component number
The problem that amount increases and causes equipment cost to rise.
The present invention is the practical situation in view of above-mentioned prior art and makes, the purpose of the present invention
It is to provide a kind of lift facility, when it is normal speed during lift car rising and decline
The lift facility that normal speed is different, this lift facility can save the space needed for speed regulator,
And the quantity of parts can be reduced.
For solving the technical scheme of problem
To achieve these goals, the lift facility of the present invention is specified speed during lifting body rising
Spending the lift facility different from normal speed when declining, this lift facility includes: be arranged on liter
Fall passage in and be connected with the main hoist cable driven by traction machine and along guide rail raising and lowering
Lifting body；The ring-type speed controller rope being connected with lifting body；It is wound with the upper of speed controller rope
The rope sheave of end；Detect and monitor the rising or falling speed of lifting body with the rotation being passed rope sheave,
When lifting body becomes the overspeed condition of regulation, make the speed regulator that lifting body stops.Additionally, at this
In the lift facility of invention, this speed regulator includes the speed adjusting gear being passed the rotation of rope sheave,
Speed adjusting gear when being assembled with rising in this speed adjusting gear and speed adjusting gear when declining, lifting body
The rotation of rope sheave during rising passes to speed adjusting gear during this rising, governor during this rising
The speed of regulation when structure detection rises, the rotation of rope sheave when lifting body declines passes under this
Speed adjusting gear during fall, the speed of regulation when speed adjusting gear detection during this decline declines, should
Lift facility also includes controlling device, speed adjusting gear when this control device carries out making rising and under
A side in speed adjusting gear during fall carries out the control of action.
Invention effect
According to the present invention, normal speed when rising on the elevator car and normal speed when declining
In different lift facilities, it is possible to save the space needed for speed regulator, and device can be reduced
Equipment cost.
Accompanying drawing explanation
Fig. 1 is the overall schematic representing the lift facility applying the present invention.
Fig. 2 is the structural representation of the first embodiment in the speed governing portion of the lift facility representing the present invention
Figure.
Fig. 3 is the sectional view in direction shown in the line A-A along Fig. 2.
Fig. 4 is the sectional view in direction shown in the line B-B along Fig. 3.
Fig. 5 is the structural representation of second embodiment in the speed governing portion of the lift facility representing the present invention
Figure.
Fig. 6 is the sectional view in direction shown in the line C-C along Fig. 5.
Detailed description of the invention
The lift facility of embodiments of the present invention be lift car rise time normal speed with under
The lift facility that normal speed during fall is different, has when rising and carries out different when declining
The speed regulator of the overspeed detection of lift car.It is to say, at the electricity of embodiments of the present invention
Speed adjusting gear when being assembled with rising in the speed regulator of ladder equipment and speed adjusting gear when declining, should
Rising or falling speed when rising respectively Deng speed adjusting gear and when declining monitors.
As an example of the concrete structure of this speed regulator, comprising: be arranged in liftway and
The ring-type speed controller rope linked with lifting body；By pivot suspension water on governor housing
Flat axle is supported, and is wound with the rope sheave of the upper end of described speed controller rope；Rotation with described rope sheave
Turn the drive sprocket that the trunnion axis at center is arranged concentrically；This driving is transmitted via transmission chain bar
The driven sprocket of the rotation of sprocket wheel；Constitute the driven shaft of the center of rotation of driven sprocket；It is fixed on
Driving bevel gear on this driven shaft；With the driven wheel of differential driving bevel gear to engage；With fixing
Vertical axis on this driven wheel of differential.
Additionally, also include the speed governing portion in flyball formula speed governing portion etc., this speed governing portion includes: hung down by this
The arm of the upper end pivot suspension of d-axis；It is fixed on the flyball of the lower end of this arm；Vertical with described
The slide cartridge that axle is chimeric；Chimeric with described vertical axis and be arranged on the upper end of described vertical axis with described
Between slide cartridge, for described slide cartridge being applied the spring of power downwards.
Monitor to when rising and carry out the rising or falling speed of different lift cars when declining, right
Described driven sprocket arranges two kinds of (number of teeth is different) gears with the side in drive sprocket, and
And can at random described transmission chain bar be switched to two kinds of driven sprocket or drive sprocket
The gear of the side in gear, and according to the traffic direction of described lift car by described transmission
The side in two kinds of gears of driven sprocket or drive sprocket is switched to chain.
In there is the lift facility of embodiments of the present invention of said structure, such as, setting
When putting two kinds of different driven sprockets of the number of teeth and be set to switch over, in rising side
To the number of teeth (speed reducing ratio) presetting drive sprocket and driven sprocket with descent direction.At elevator
When car is changed into the operation of ascent direction or descent direction, transmission chain bar is switched to
Rise direction driven sprocket or descent direction driven sprocket, by by the rotation of driven sprocket
Pass to drive bevel gear and driven wheel of differential that the rotation of rope sheave is delivered to flyball formula speed governing portion
In speed governing portion, it is possible to detect the hypervelocity of regulation when lift car lifts.
It is to say, this speed regulator is made up of the speed regulator with speed adjusting gear, by this tune
Speed mechanism is controlled so that by transmission chain bar is wound on ascent direction driven sprocket
On, make speed adjusting gear action during rising, or by the switching of transmission chain bar is wound on down
On the driven sprocket of fall direction, make speed adjusting gear action during decline.Thus, the present invention's
In the lift facility of embodiment, it is possible to examine while the hypervelocity of the regulation of detection ascent direction
Survey the hypervelocity of the regulation of descent direction, thus enable that lifting body carries out the stopping action specifying.
As it has been described above, arrange the two kinds of driven sprockets (or drive sprocket) rising with and declining,
And according to traffic direction transmission chain bar switched over and to use, by this simple structure,
In the lift facility that normal speed when lifting body rises is different from normal speed when declining,
The space needed for speed regulator can be saved, and the quantity of parts can be reduced.
It addition, in the lift facility of embodiments of the present invention, according to the fortune of described lifting body
Described transmission chain bar is slided in two kinds of driven sprockets (or drive sprocket) by line direction
The switch unit of the gear of one side includes: motor, be arranged on driven sprocket (or drive chain
Wheel) bottom switching sprocket wheel and for regulating the roller of tension force of described transmission chain bar.
In the embodiments of the present invention with said structure, receive from lifting body or rise
Drop internal operation dish and transmit the operating result of coming, by controlling rising or declining of lifting body
The traffic direction of lifting body is switched over by control portion, and along with this switching, motor is driven,
Via switching sprocket wheel make transmission chain bar slide into a side driven sprocket (or drive chain
Wheel).Its result, engages with driving bevel gear via the driving bevel gear being fixed on driven shaft
Driven wheel of differential and the vertical axis that is fixed on this driven wheel of differential, flyball formula speed governing portion can
Detect the hypervelocity of regulation.As it has been described above, by using motor and switching this ratio of sprocket wheel
Better simply structure, it is possible to carry out the switching of transmission chain bar effectively.
Referring to the drawings the embodiment of the lift facility of the present invention is illustrated.
Below example represents the concrete example of embodiments of the present invention, and the present invention is not
It is only limitted to such embodiment, in the range of technological thought disclosed in this specification, the industry
Personnel can carry out various changes and modifications.
In whole accompanying drawings of explanation embodiment, the part with identical function uses identical
Symbol represents, and omits its explanation repeated.
First embodiment
As it is shown in figure 1, the lift facility of embodiments of the invention includes being arranged in building
Liftway 1, be arranged on the Machine Room 2 directly over liftway 1, in liftway 1 rise
Fall lifting body, namely lift car 3 and counterweight 4, respectively with lift car 3 and counterweight 4
The main hoist cable 5 that links, be arranged on Machine Room 2 in and drive the traction machine 6 of main hoist cable 5, erect
Be arranged on liftway 1 in and guide lift car 3 to lift car guide rail 7, be erected to
In being arranged on liftway 1 and guide that counterweight 4 lift to reusing guide rail 8, supervision lift car
The rising or falling speed of 3 also makes lift car 3 when lift car 3 enters the overspeed condition of regulation
The speed regulator 9 of emergent stopping, and be arranged on lift car 3, mechanically make lift car
The emergency braking apparatus 10 of 3 emergent stoppings.
As it is shown in figure 1, the speed regulator 9 of the present embodiment includes: be arranged in liftway 1
Ring-type speed controller rope 9a；Link speed controller rope and the coupling member 11 of lifting body；Fixing
On trunnion axis described later, and it is wound with the rope sheave of the bending section of the upper end of speed controller rope 9a
9b；Be arranged on the bottom of liftway 1, be wound with the bending of the lower end of speed controller rope 9a
The regulating wheel 9c in portion.Mention bar 12 by connecting rod mechanism (not shown) and coupling member 11
In conjunction with, when lift car is braked, mention the wedge being arranged on emergency braking apparatus 10
The brake component (not shown) of sub-shape, makes brake component contact with slide.
As shown in Figure 2, Figure 3 and Figure 4, at the speed regulator 9 of lift facility of first embodiment
In, rope sheave 9b by pivot suspension on governor housing 9d trunnion axis 9e supporting.
As shown in the example of Fig. 2 and Fig. 3, the speed adjusting gear 9A of speed regulator 9 includes: with rope sheave
The drive sprocket 9g1 that the center of rotation of 9b is arranged concentrically；Via transmission chain bar 9f and driving chain
Wheel 9g1 carries out the driven sprocket 9h1,9h2 and driven shaft 9i1 of transmission.Additionally, also include: with
It is fixed on the driven wheel of differential 9A2 of the driving bevel gear 9A1 engagement of this driven shaft 9i1；With solid
Vertical axis 9A3 due to this driven wheel of differential 9A2.Additionally include: by this vertical axis 9A3
The arm 9A4 of upper end pivot suspension；It is fixed on the flyball 9A5 of the lower end of this arm 9A4；With
Vertical axis 9A3 is fitted together to slide cartridge 9A6；Arm coupling member with armite 9A4 and slide cartridge 9A6
9A8.Further, also include chimeric with vertical axis 9A3 and be arranged on the upper end of vertical axis 9A3 with
Between slide cartridge 9A6, for slide cartridge 9A6 being applied the spring 9A7 of power downwards.
The sliding unit 9C making transmission chain bar 9f slide in the horizontal direction includes motor 9C1
Be arranged in this motor 9C1 and be arranged on driven sprocket 9h1,9h2 bottom as shown in Figure 3
Switching driving arm 9C2 between sprocket wheel 9C3.
It is provided with in the downside of switching sprocket wheel 9C3 and transmission chain bar 9f is being switched to driven chain
During wheel 9h1,9h2, the tensioning of the tension force of regulation transmission chain bar 9f spring 9C5 and tension force are adjusted
Save roller (roller) 9C4.
Being combined with speed control rod mechanism 13 on slide cartridge 9A6, speed control rod mechanism 13 operates lifting body
Stop the contact with the switch sections 15 switching 14.It is to say, at the liter of lift car 3
When reduction of speed degree has reached the first hypervelocity beyond normal speed, it is fixed on the flyball of arm 9A4 lower end
9A5 opens towards outside under the influence of centrifugal force, and slide cartridge 9A6 is as shown by arrows by towards upper
Fang Tiqi and mention speed control rod mechanism 13, thus operate lifting body stopping switch 14 switch
The contact of part 15.
In the lift facility of first embodiment, in order to reduce the ear of passenger because of lift car 3
Air pressure change drastically during lifting and the earplug sense that produces, by normal speed DS of descent direction
It is set smaller than normal speed US of ascent direction.
Corresponding to this, the rising or falling speed at lift car 3 has reached first beyond normal speed
During hypervelocity 1.3US, speed adjusting gear 9A during rising cuts off the traction driving lift car 3 respectively
The power supply of machine 6 and the power supply controlling device of this traction machine 6 of control.
On the other hand, when lift car declines, in the rising or falling speed overflow of lift car 3
Constant speed degree and reached first hypervelocity 1.3DS time, speed adjusting gear 9A respectively cut off driving electricity
Ladder car 3 traction machine 6 power supply and control this traction machine 6 control device power supply so that
Traction machine stopping action.Additionally, because some reason makes the decrease speed of lift car beyond the
One hypervelocity and when having reached the second hypervelocity 1.4DS, the urgent system making to be arranged on lift car 3
Dynamic device 10 action, the most mechanically makes lift car 3 emergent stopping.
As it has been described above, for the hypervelocity of the regulation that detects ascent direction and detect the rule of descent direction
Fixed hypervelocity, presets drive sprocket 9A1 and driven sprocket at ascent direction and descent direction
The number of teeth of 9h1,9h2 and gear ratio (speed reducing ratio), it is possible to make effectively emergency braking apparatus
Action.
Below to the action of the speed regulator of the lift facility of embodiments of the invention and lift facility
Emergency braking action illustrates.
In the lift facility of first embodiment, receive from lift car or in lift car
Operation dish transmission come operating result, by control lifting body rise or decline control dress
Put (not shown) traffic direction of lifting body is switched over, according to this switching, such as at electricity
When ladder car 3 becomes rising operation, make the motor 9C1 action of sliding unit 9C, by driving
Swing arm 9C2 drives switching sprocket wheel 9C3, by making transmission chain bar 9f towards Fig. 2, Fig. 3
Slide with the driven sprocket 9h2 direction of Fig. 4, transmission chain bar 9f be switched to driven sprocket 9h2,
The driven wheel of differential 9A2 thus made and drive bevel gear 9A1 to engage rotates.In this condition,
Along with the rising of lift car 3, rope sheave 9b is made to rotate by the action of speed controller rope 9a,
This is rotated through drive sprocket 9g1, transmission chain bar 9f, driven sprocket 9h2, drives bevel gear
9A1 and driven wheel of differential 9A2 is delivered to vertical axis 9A3.
Flyball 9A5 revolves round the sun according to the rotary speed of vertical axis 9A3, in the effect of centrifugal force
Under overcome the force of spring 9A7 to rise.Along with the rising of this flyball 9A5, slide cartridge 9A6 is such as
Carry out shown in arrow rising displacement.Further, in the rotary speed of vertical axis 9A3, namely electricity
When the rising or falling speed of ladder car 3 has reached the first hypervelocity 1.3US beyond normal speed US, logical
Crossing speed governing linkage 13, the switch portion 15 of lifting body stopping switch 14 is operated, thus,
Lifting body stopping switch motion, the power supply of traction machine 6 is cut off, and traction machine stops, thus
Lift car 3 is made to stop rising.
By the control device traffic direction to lifting body rising or declining controlling lift car
Switch over, when lift car 3 becomes declining operation according to this switching, sliding unit 9C
Motor 9C1 action, by drive arm 9C2 make switching sprocket wheel 9C3 drive, thus make
Transmission chain bar 9f slides, by transmission towards the driven sprocket 9h1 direction of Fig. 2, Fig. 3 and Fig. 4
It is switched to driven sprocket 9h1 with chain 9f, thus makes driven with drive bevel gear 9A1 to engage
Bevel gear 9A2 rotates.
In this condition, along with lift car 3 declines, speed controller rope 9a action so that rope
Wheel 9b rotate, this be rotated through drive sprocket 9g1, transmission chain bar 9f, driven sprocket 9h1,
Bevel gear 9A1 and driven wheel of differential 9A2 is driven to be delivered to vertical axis 9A3.Further, flyball 9A5
Rotary speed according to vertical axis 9A3 revolves round the sun, and overcomes spring 9A7 under the influence of centrifugal force
Force and rise.Along with the rising of this flyball 9A5, on slide cartridge 9A6 is carried out as shown by arrows
Rise displacement.
It addition, at the rising or falling speed of the rotary speed of vertical axis 9A3, namely lift car 3
When having reached the first hypervelocity 1.3DS beyond normal speed DS, lifting body stops with switch 14
Action, cuts off the power supply of traction machine 6, makes lift car 3 stop.Further, at lift car 3
Because some reason exceeds the speed limit further at descent direction so that decrease speed is beyond the first hypervelocity 1.3DS
And when having reached the second hypervelocity 1.4DS, by not shown holding weight (catch weight)
Speed controller rope 9a is carried out holding action, makes to mention by the coupling member 11 shown in Fig. 1
Bar 12 carries out mentioning action, makes emergency braking apparatus 10 action, thus enters lift car 3
Row emergency braking action.
According to first embodiment, the normal speed when lift car 3 rises and volume when declining
In the lift facility that constant speed degree is different, it is possible to save the space needed for speed regulator 9, and can
Reduce the equipment cost of device.Additionally, the switching in the raising and lowering carrying out speed regulator 9 is moved
When making, make switching sprocket wheel 9C3 slide by sliding unit 9C, transmission chain bar 9f is cut
Change to driven sprocket 9h2, make to rotate with the driven wheel of differential 9A2 driving bevel gear 9A1 to engage,
Or transmission chain bar 9f is switched to driven sprocket 9h1, makes to engage with driving bevel gear 9A1
Driven wheel of differential 9A2 rotate, due to simple in construction, it is possible to improve device easily
Fastness and reliability.Further, owing to identical lifting can be used when rising and when declining
Body stops, with switch 14, stopping with switching so having only to arrange a lifting body.This is
Because, even if the normal speed when lift car 3 rises is different from normal speed when declining
Lift facility in, during rising and decline time rising or falling speed also be able to pass through driven sprocket
The switching action of 9h1,9h2 passes to the rotary speed of vertical axis 9A, it is possible to make lifting body
The operation of stopping switch is identical.
Second embodiment
Referring to Fig. 5 and Fig. 6, the second embodiment of the lift facility of the present invention is illustrated.
Part same as the previously described embodiments uses identical symbol to represent.
As shown in Figure 5 and Figure 6, in the speed adjusting gear 19A of the speed regulator of the second embodiment,
Rope sheave 19b by pivot suspension on governor housing 19d trunnion axis 19e supporting.Speed governing portion
19A has the drive sprocket 19g1,19g2 that the center of rotation with rope sheave 19b is arranged concentrically.This drives
The transmission chain bar 19f that is rotated through of movable sprocket 19g1,19g2 passes to driven sprocket 19h1.For
Detect the hypervelocity of the regulation of ascent direction and the hypervelocity of the regulation of detection descent direction respectively,
Drive sprocket 19g1,19g2 sets drive sprocket 19g1,19g2 and the number of teeth of driven sprocket 19h1
With gear ratio (speed reducing ratio).
The speed adjusting gear 19A of the present embodiment includes by pivot suspension on governor housing 19d
The drive sprocket that trunnion axis 19e fixes and is arranged concentrically with the center of rotation of rope sheave 19b
19g1,19g2.Further, have by drive sprocket 19g1,19g2 by transmission chain bar 19f transmission
The driven sprocket 19h1 rotated；Driven shaft 19i1；The driving cone being fixed on this driven shaft 19i1
Gear 19A1；The driven wheel of differential 19A2 engaged with this driving bevel gear 19A1；Be fixed on
Vertical axis 19A3 on this driven wheel of differential 19A2.Additionally include: by this vertical axis 19A3
The arm 19A4 of upper end pivot suspension；It is fixed on the flyball 19A5 of the lower end of this arm 19A4；
The slide cartridge 19A6 chimeric with vertical axis 19A3；Connect with the arm of armite 19A4 and slide cartridge 19A6
Structural member 19A8.Additionally, also include chimeric with vertical axis 19A3 and be arranged on vertical axis 19A3
Upper end and slide cartridge 19A6 between, for slide cartridge 19A6 being applied the spring of power downwards
9A7。
In the speed adjusting gear 19A of the present embodiment, transmission chain bar 9f is made to slide in the horizontal direction
Dynamic sliding unit 19C includes motor 19C1 and is arranged in this motor 19C1 and is arranged on
The switching of drive sprocket 19g1,19g2 bottom driving arm 19C2 between sprocket wheel 19C3.
It is provided with in the downside of switching sprocket wheel 19C3 and transmission chain bar 9f is being switched to driving
Tensioning spring 19C5 and the tension force of the tension force of transmission chain bar 9f is regulated during sprocket wheel 19g1,19g2
Regulation roller 19C4.
In the speed adjusting gear 19A of the present embodiment, as the embodiment of Fig. 2, at slide cartridge 19A6
On be combined with lift car 3 rising or falling speed beyond normal speed and reached first hypervelocity time,
Along with slide cartridge 19A6 rise as shown by arrows and the speed control rod mechanism of action (13 in Fig. 2,
Eliminate its diagram in Figure 5), and it is provided with the lifting body stopping use being operated by speed control rod mechanism
Switch (14 in Fig. 2 eliminate its diagram in Figure 5).
In a second embodiment, receive the operation dish from lift car or in lift car to pass
The operating result passed, (omits by controlling the control device rising or declining of lifting body
Its diagram), when lift car becomes rising and runs, make the motor of sliding unit 19C
19C1 action, by driving arm 19C2 to drive switching sprocket wheel 19C3, makes transmission chain bar 9f
Sliding in drive sprocket 19g1 direction towards Fig. 5 and Fig. 6, is switched to transmission chain bar 9f drive
Sprocket wheel 19g1, makes to rotate with the driven wheel of differential 19A2 driving bevel gear 19A1 to engage.Due to
Hereafter action is same as the previously described embodiments, so the description thereof will be omitted at this.On the other hand, logical
Cross the control device rising or declining controlling lifting body, become declining fortune at lift car 3
During row, make the motor 19C1 action of sliding unit 19C, cut by driving arm 19C2 to drive
Use sprocket wheel 19C3 instead, make transmission chain bar 9f towards the drive sprocket 19g2 direction of Fig. 5 and Fig. 6
Slide, transmission chain bar 9f is switched to drive sprocket 19g2, makes and drive bevel gear 19A1
The driven wheel of differential 19A2 of engagement rotates.Owing to action hereafter is same as the previously described embodiments, institute
So that at this, the description thereof will be omitted.
Second embodiment is with the difference of above-mentioned first embodiment, in the first embodiment,
According to traffic direction, sliding unit 9C transmission chain bar 9f is switched to driven sprocket
9h1,9h2, and in a second embodiment, according to traffic direction, by sliding unit 19C by transmission
It is switched to drive sprocket 19g1,19g2 with chain 9f.This second embodiment also is able to obtain and first
The effect that embodiment is identical.
In above embodiment, to the driven sprocket of speed regulator with drive chain in lift facility
A side in wheel arranges two kinds of gears that the number of teeth is different, and includes transmission chain bar described
The switching mechanism switched between the two gear of driven sprocket or drive sprocket, should
Switching mechanism includes that motor, switching drive arm and switching gear, and this lift facility also includes
Controlling device, it is according to the upper and lower traffic direction of described lift car, by described transmission chain
The gear of the side that bar is switched in the two gear of described driven sprocket or drive sprocket
It is switched to driven sprocket, when rising and carries out the velocity measuring of different lifting bodies when declining.
On the other hand, in order to switch the combination of drive sprocket and driven sprocket, except using transmission chain bar
Outward, certainly can also use other scheme, such as, prepare multiple travelling gears such as change-speed gearing
Combination switch over.
Symbol description
1 liftway
2 Machine Rooms
3 lifting bodies (lift car)
4 counterweights
5 main hoist cables
6 traction machines
7 car guide rails
Reuse guide rail for 8 pairs
9 speed regulators
9a speed controller rope
9b rope sheave
9c regulating wheel
9d, 19d governor housing
9e, 19e trunnion axis
9f, 19f transmission chain bar
9g1,19g1,19g2 drive sprocket
9h1,9h2,19h1 driven sprocket
9i1,9i2 driven shaft
9A, 19A speed adjusting gear
9A1,19A1 drives bevel gear
9A2,19A2 driven wheel of differential
9A3,19A3 vertical axis
9A4,19A4 arm
9A5,19A5 flyball
9A6 slide cartridge
9A7,19A7 spring
9A8,19A8 arm coupling member
9C, 19C sliding unit
9C1,19C1 motor
9C2,19C2 drives arm
9C3,19C3 switching sprocket wheel
9C4,19C4 dance roller
9C5,19C5 tensioning spring
10 emergency braking apparatus
11 coupling members
12 mention bar
13 speed control rod mechanisms
14 lifting body stopping switches
15 switch portion.
Claims (9)
1. the lift facility that a normal speed when lifting body rises is different from normal speed during decline, it is characterised in that include speed regulator,
Described speed regulator includes:
The ring-type speed controller rope being arranged in liftway and link with lifting body；
Supported by pivot suspension trunnion axis on governor housing, be wound with the rope sheave of the upper end of described speed controller rope；
The drive sprocket being arranged concentrically with the center of rotation of described rope sheave；
The driven sprocket being transmitted via transmission chain bar from described drive sprocket；
Pivot suspension, on governor housing, constitutes the driven shaft of the center of rotation of described driven sprocket；
The driving bevel gear being fixed on this driven shaft；
With the driven wheel of differential driving bevel gear to engage；
It is fixed on the vertical axis on this driven wheel of differential；With
Flyball formula speed governing portion,
Described flyball formula speed governing portion includes:
Pivot suspension is at the arm of the upper end of this vertical axis；
It is fixed on the flyball of the lower end of this arm；
It is entrenched in the slide cartridge on described vertical axis；
Chimeric with described vertical axis and be arranged between the upper end of described vertical axis and described slide cartridge, for described slide cartridge being applied the spring of power downwards；With
Link the arm coupling member of described arm and described slide cartridge,
The described driven sprocket of described speed regulator is arranged with the side in drive sprocket two kinds of gears that the number of teeth is different, and there is the switching mechanism switching described transmission chain bar between the two gear of described driven sprocket or drive sprocket, this switching mechanism is according to the upper and lower traffic direction of described lifting body, by the gear of the side that described transmission chain bar is switched in the two gear of described driven sprocket or drive sprocket.
2. lift facility as claimed in claim 1, it is characterized in that, being provided with the sliding unit that the traffic direction according to described lifting body makes described transmission chain bar slide, this sliding unit includes motor and the driving arm being arranged between this motor and switching sprocket wheel.
3. the lift facility that a normal speed when lifting body rises is different from normal speed during decline, it is characterised in that including:
Be arranged in liftway, link with the main hoist cable that driven by traction machine and along the lifting body of lifting rail；
The ring-type speed controller rope linked with lifting body；
It is wound with the rope sheave of the upper end of described speed controller rope；With
Speed regulator, the rotation of described rope sheave passes to described speed regulator, and described speed regulator detects and monitors the rising or falling speed of described lifting body, makes described lifting body stop when described lifting body becomes the overspeed condition of regulation,
This speed regulator includes the speed adjusting gear being passed the rotation of described rope sheave,
Speed adjusting gear when being assembled with rising in this speed adjusting gear and speed adjusting gear when declining, same rotary speed for described rope sheave, the speed of regulation when rotary speed is to detect rising when described speed adjusting gear when rising converts thereof into the rising when described lifting body rises, the speed of regulation when rotary speed is to detect decline when described speed adjusting gear when declining converts thereof into the decline when declining from rotary speed different described lifting body during described rising
Described lift facility also includes controlling device, described speed adjusting gear when this control device carries out making rising and the control of the side's action in speed adjusting gear when declining.
4. lift facility as claimed in claim 3, it is characterised in that
In described speed adjusting gear, described rope sheave includes:
Supported by pivot suspension trunnion axis on governor housing, the drive sprocket being arranged concentrically with the center of rotation of described rope sheave；
It is passed the driven sprocket of the rotation of described drive sprocket；
Pivot suspension, on governor housing, constitutes the driven shaft of the center of rotation of described driven sprocket；
The driving bevel gear being fixed on this driven shaft；
With the driven wheel of differential driving bevel gear to engage；With
It is fixed on the vertical axis on this driven wheel of differential,
Described speed adjusting gear monitors the rising or falling speed of described lifting body according to the rotary speed of the rotary speed described rope sheave of detection of this vertical axis,
Described drive sprocket is arranged with the side in driven sprocket two kinds of gears that the number of teeth is different, and there is the drive mechanism that the rotary speed of described drive sprocket passes to driven sprocket, this drive mechanism carries out described transmission via the gear of the side in the two gear of described drive sprocket or driven sprocket, and, the rotary speed of described rope sheave is passed to described vertical axis according to the upper and lower traffic direction of described lifting body via the gear of the side in the two gear of described drive sprocket or driven sprocket by described drive mechanism, thus constitute described rise time speed adjusting gear and decline time speed adjusting gear.
5. lift facility as claimed in claim 4, it is characterized in that, described drive mechanism includes transmission chain bar, the gear of the side by this transmission chain bar is switched in the two gear of described drive sprocket or driven sprocket, the rotary speed of described rope sheave is passed to described vertical axis according to the upper and lower traffic direction of described lifting body via the gear of the side in the two gear of described drive sprocket or driven sprocket by described transmission chain bar, speed adjusting gear when thus constituting rising and speed adjusting gear when declining.
6. lift facility as claimed in claim 4, it is characterized in that, described drive mechanism includes transmission gear, the gear of the side by this transmission gear is switched in the two gear of described drive sprocket or driven sprocket, the rotary speed of described rope sheave is passed to described vertical axis according to the upper and lower traffic direction of described lifting body via the gear of the side in the two gear of described drive sprocket or driven sprocket by described transmission gear, speed adjusting gear when thus constituting rising and speed adjusting gear when declining.
7. the lift facility as described in claim 5 or 6, it is characterised in that the switch that the lifting body of speed adjusting gear the two speed adjusting gear operation when including speed adjusting gear when being raised and decline stops.
8. the lift facility as described in claim 5 or 6, it is characterized in that, the switching of the described drive mechanism carried out according to the traffic direction of described lifting body is by including that motor, switching gear and the switching mechanism driving arm being arranged between described motor and described switching sprocket wheel are operated.
9. the lift facility as described in claim 5 or 6, it is characterised in that described speed regulator includes flyball formula speed governing portion,
Described flyball formula speed governing portion includes: pivot suspension is at the arm of the upper end of described vertical axis；It is fixed on the flyball of the lower end of this arm；It is entrenched in the slide cartridge on described vertical axis；Chimeric with described vertical axis and be arranged between the upper end of described vertical axis and described slide cartridge, described slide cartridge is applied the spring of power downwards；With link described arm and the arm coupling member of described slide cartridge,
The rotary speed of described vertical axis is detected in this speed governing portion, and operates the switch stopped when described lifting body rises with lifting body when declining.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2012/071736 WO2014033845A1 (en) | 2012-08-28 | 2012-08-28 | Elevator device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104583108A CN104583108A (en) | 2015-04-29 |
| CN104583108B true CN104583108B (en) | 2016-08-24 |
Family
ID=50182695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280075394.6A Expired - Fee Related CN104583108B (en) | 2012-08-28 | 2012-08-28 | Lift facility |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104583108B (en) |
| WO (1) | WO2014033845A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106132860B (en) * | 2014-04-16 | 2018-08-03 | 株式会社日立制作所 | Lift appliance |
| JP5886372B2 (en) * | 2014-06-27 | 2016-03-16 | 東芝エレベータ株式会社 | Governor |
| CN111735625B (en) * | 2020-07-23 | 2024-07-12 | 上海市特种设备监督检验技术研究院 | Mechanical type parking equipment chain health condition on-line monitoring system |
| CN112319516A (en) * | 2020-11-16 | 2021-02-05 | 娄底市同丰科技有限公司 | Speed regulating device of mining aerial passenger ropeway |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4306014B2 (en) * | 1999-05-17 | 2009-07-29 | 三菱電機株式会社 | Governor |
| JP2001122549A (en) * | 1999-10-25 | 2001-05-08 | Hitachi Ltd | Governor for elevator |
| JP2003104646A (en) * | 2001-09-28 | 2003-04-09 | Mitsubishi Electric Corp | Elevator device and controlling method therefor |
| WO2003091142A1 (en) * | 2002-04-24 | 2003-11-06 | Mitsubishi Denki Kabushiki Kaisha | Overspeed governor apparatus for elevator system |
| JP4985649B2 (en) * | 2006-10-18 | 2012-07-25 | 三菱電機株式会社 | Elevator speed control device and elevator device |
| JPWO2010086967A1 (en) * | 2009-01-28 | 2012-07-26 | 三菱電機株式会社 | Elevator equipment |
-
2012
- 2012-08-28 WO PCT/JP2012/071736 patent/WO2014033845A1/en active Application Filing
- 2012-08-28 CN CN201280075394.6A patent/CN104583108B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN104583108A (en) | 2015-04-29 |
| WO2014033845A1 (en) | 2014-03-06 |
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Granted publication date: 20160824 |