CN207759883U - Multiple protective formula elevator - Google Patents
Multiple protective formula elevator Download PDFInfo
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- CN207759883U CN207759883U CN201820170108.9U CN201820170108U CN207759883U CN 207759883 U CN207759883 U CN 207759883U CN 201820170108 U CN201820170108 U CN 201820170108U CN 207759883 U CN207759883 U CN 207759883U
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Abstract
Multiple protective formula elevator.Be related to elevator car safety field, more particularly to the protection system when non-instruction displacement or power-off suddenly occurs in elevator improvement.Delicate structure, stability and reliability are high, while having long service life.Including control cabinet, traction sheave, car, limiter of speed, safety tongs and rope brake, the traction sheave is pumped by car described in several Steel rope drives and is fixedly connected in computer room by wheel seat, the limiter of speed includes speed limited wheel, it is linked by linkage between the limiter of speed and the rope brake, the limiter of speed is connected to by holder in computer room；The linkage includes frizzen, balancing disk, accelerating gearbox, resetting spring, oil cylinder, oil pipe, slide and linear drive apparatus.Have many advantages, such as delicate structure, stability on the whole and reliability is high, service life is longer.
Description
Technical field
The utility model is related to elevator car safety fields, more particularly to when non-instruction displacement or suddenly power-off occurs in elevator
When protection system improvement.
Background technology
Currently, existing elevator structure usually as shown in Figure 1, mainly by control cabinet, traction sheave, car, guide rail, clump weight,
Limiter of speed, safety tongs and rope brake composition.It is the safety tongs controlled by limiter of speed and by controlling wherein to play security insurance
The rope brake of case control, since the stability of mechanical transmission structure is much larger than electric signal drive mechanism, it is thus proposed that with machine
The structure type of tool linkage realizes the linkage between limiter of speed and rope brake.
Wherein, representative entitled " the elevator two-way speed limiting of portion announced on April 12nd, 2006 such as State Bureau
Device ", application No. is the documents of " 200520100885.9 ".However, also being brought in the case since drive mechanism is excessively complicated
Stability is low, poor reliability and service life are short defect.
Utility model content
The utility model has simultaneously in view of the above problems, to provide a kind of delicate structure, stability and reliability high
The multiple protective formula elevator of long service life.
The technical solution of the utility model is：Including control cabinet, traction sheave, car, limiter of speed, safety tongs and rope brake,
The traction sheave is pumped by car described in several Steel rope drives and is fixedly connected on computer room by wheel seat
Interior, the limiter of speed includes speed limited wheel, is linked by linkage between the limiter of speed and the rope brake, the limiter of speed
It is connected in computer room by holder；The linkage include frizzen, balancing disk, accelerating gearbox, resetting spring, oil cylinder,
Oil pipe, slide and linear drive apparatus；
The triggering hole being adapted to the frizzen is offered on the speed limited wheel；
The slide is fixedly connected in computer room and the top surface of slide is equipped with line slide rail；
The bottom of the accelerating gearbox is equipped with the sliding block one being adapted to the line slide rail, and the resetting spring is against branch
Between frame and accelerating gearbox, the accelerating gearbox includes input shaft, output shaft, resets motor and babinet, the acceleration tooth
Roller box is slidably connected at by sliding block one on line slide rail, and the input shaft wears the babinet with output shaft and mutually puts down
Row, is linked between the input shaft and output shaft by accelerating gear group, and the reset motor is connected on babinet and for driving
Driven input shaft spinning reduction；The accelerating gear group includes intermeshing gear wheel and pinion gear, and the gear wheel is socketed institute
State and be equipped with square key one between input shaft and gear wheel and input shaft, the pinion gear be socketed the output shaft and pinion gear with it is defeated
Square key two is equipped between shaft；
The frizzen level is set to the side in triggering hole, and the upper end of the balancing disk is fixedly connected with frizzen far from triggering
The lower end of the one end in hole, the balancing disk is fixedly connected with one end that input shaft stretches out babinet；
The bottom of the oil cylinder is equipped with the sliding block two being adapted to the line slide rail, and the linear drive apparatus is connected to institute
State on the top surface of slide and be located at side of the oil cylinder far from the accelerating gearbox, the linear drive apparatus with it is described
Control cabinet is connected to and for driving the oil cylinder to make straight reciprocating motion along the line slide rail；
The oil cylinder includes screw rod and cylinder body, and the cylinder body is cylindrical in shape and is slidably connected at line slide rail by sliding block two
On, one end of the screw rod is threadedly attached in cylinder body, the screw rod stretch out cylinder body one end it is concentric with output shaft and
It fits（It is equipped with and is adapted and corresponding friction plate on the end face of the screw rod and output shaft）, the cylinder body is far from described
One end of screw rod is connected to the oil pipe；
The rope brake includes uplink rope brake and downlink rope brake, and the uplink rope brake and downlink rope brake pass through
Oil pipe is connected to the oil cylinder.
The linear drive apparatus includes hydraulic cylinder, booster pump and push rod, and the hydraulic cylinder is fixedly connected on line slide rail
One end far from accelerating gearbox, the hydraulic cylinder is interior to be equipped with upper pressurizing chamber and lower pressurizing chamber, and one end sliding of the push rod is set
In upper pressurizing chamber, the other end be fixedly connected with oil cylinder, the lower pressurizing chamber is connected to upper pressurizing chamber by intercommunicating pore, the supercharging
Pump is set in intercommunicating pore.
The uplink rope brake includes a pair of of uplink fixed plate and a pair of of uplink rope grip mechanism, a pair of uplink fixed plate
Be fixedly connected on the wheel seat of traction sheave and be symmetrical arranged, the uplink rope grip mechanism be fixedly connected on it is a pair of it is described on
Between row fixed plate and a pair of uplink rope grip mechanism is symmetrical arranged, and several steel wire ropes are threaded through a pair of uplink
Between rope grip mechanism；
The uplink rope grip mechanism includes uplink outside plate, uplink inner panel, uplink hydraulic cylinder and uplink hydraulic stem, the uplink
Outside plate is fixedly connected between two uplink fixed plates, and the uplink hydraulic cylinder is fixedly connected on the top of uplink outside plate and is used for
Drive uplink hydraulic stem；The uplink outside plate presents small wedge shape upper greatly, and the uplink inner panel is located at uplink outside plate and steel wire rope
Between, the uplink inner panel offers key-way shape through-hole, and the uplink hydraulic stem wears the key-way shape through-hole, the uplink liquid
A pair of uplink limited block being fitted in respectively on the both sides of the face of uplink inner panel is fixedly connected on compression bar；The two uplink hydraulic pressure
Cylinder is connected to the cylinder body of the oil cylinder by oil pipe.
The downlink rope brake includes a pair of of downlink fixed plate and a pair of of downlink rope grip mechanism, a pair of downlink fixed plate
It is fixedly connected on the wheel seat of traction sheave and is symmetrical arranged, the downlink rope grip mechanism is fixedly connected on a pair of downlink
Between fixed plate and a pair of downlink rope grip mechanism is symmetrical arranged, and several steel wire ropes are threaded through a pair of downlink folder
Between the mechanism that restricts；
The downlink rope grip mechanism includes downlink outside plate, downlink inner panel, downlink hydraulic cylinder and downlink hydraulic stem, the downlink
Outside plate is fixedly connected between two downlink fixed plates, and the downlink hydraulic cylinder is fixedly connected on the top of downlink outside plate and is used for
Drive downlink hydraulic stem；The downlink outside plate is in up-small and down-big wedge shape, and the downlink inner panel is located at downlink outside plate and steel wire rope
Between, the downlink inner panel offers key-way shape through-hole, and the downlink hydraulic stem is arranged in the key-way shape through-hole, the downlink
A pair of downlink limited block being fitted in respectively on the both sides of the face of downlink inner panel is fixedly connected on hydraulic stem；The two downlink liquid
Cylinder pressure is connected to the cylinder body of the oil cylinder by oil pipe.
Damping is equipped between the sliding block one and line slide rail.
The balancing disk is in up big and down small cam-like, and the axle center of the frizzen and the axle center of input shaft are in described
On the center line of cam.
The utility model can drive one in uplink rope brake or downlink rope brake to make when oil cylinder is fuel-displaced or oil suction
Action, to clamp（Locking）Several steel wire ropes so that car remains stationary.
Specifically：After car is run to designated position, controller will send out advancement commands to linear drive apparatus, make
The side translation where oil cylinder towards position-limited wheel is obtained, and will be pushed after the screw rod of oil cylinder touches the output shaft of accelerating gearbox
Accelerating gearbox overcomes the active force of resetting spring to continue to translate, until frizzen stretches into the triggering hole on speed limited wheel.
Hereafter, once car occurs caused by overload, steel wire iope slippage etc. " improper displacement "（Position under non-instruction
It moves）, position-limited wheel forward or reverse will be directly driven, to pass sequentially through frizzen, balancing disk, input shaft, accelerating gear group, defeated
Shaft and friction plate are transferred on screw rod, and screw rod is made to accelerate rotation, so that cylinder body is fuel-displaced or oil suction, to finally drive
One in row rope brake or downlink rope brake is made action so that car remains stationary.
If car does not occur " improper displacement ", controller will send out reset instruction to linear drive apparatus so that oil cylinder
It is directed away from the side translation of speed limited wheel, is no longer bonded with output shaft due to screw rod at this time, accelerating gearbox will reset
The side translation of speed limited wheel is directed away under the action of spring, to drive frizzen to be detached from triggering hole so that car can restore
Normal operating condition.
This case also found in actual use, and after there is " improper displacement " due to car, the deflection of speed limited wheel will
Lead to that there is larger frictional force between frizzen and the inner wall for triggering hole by larger load on frizzen, therefore,
After car no longer overloads or the problems such as steel wire iope slippage is resolved, it only will be unable to drive frizzen and triggering hole by resetting spring
It disengages, to which car can not be made to restore to normal operating condition.For the technical problem, it is additionally arranged clump weight in this case, this
Sample, when controller will send out reset instruction to linear drive apparatus so that oil cylinder is directed away from the side translation of speed limited wheel, fuel tank
Screw rod detached with the output shaft of accelerating gearbox after, the output shaft in accelerating gearbox will lose opposition so that touch
Hair bar further rotates certain angle under the gravity of itself and clump weight, so that resetting spring can be pushed away easily
Dynamic accelerating gearbox, the disengaging realized frizzen and triggered between hole act；Finally, it is electric to resetting can to send out instruction for controller
Machine so that frizzen backswing resets, and screw rod revolution resets, and rope brake unclamps the locking to steel wire rope, finally may make car
Restore to normal operating condition after staff's leveling.
In conclusion this case is solved when caused by overload, steel wire iope slippage etc. " improper displacement " occurs in car
Locking problem, and solve the problems, such as that after " improper displacement " is eliminated, frizzen is not easy to exit from triggering hole.This practicality is new
Type greatly ensure that the safety of car and the reliability of equipment, have delicate structure, stability and reliability on the whole
High, the advantages that service life is longer.
Description of the drawings
Fig. 1 is the structural schematic diagram of background technology in the utility model,
Fig. 2 is the structural schematic diagram of limiter of speed in the utility model,
Fig. 3 is the sectional view of linkage in the utility model,
Fig. 4 is the structural schematic diagram of rope brake in the utility model,
Fig. 5 is the vertical view of uplink rope brake in the utility model,
Fig. 6 is the sectional view along A-A of Fig. 5,
Fig. 7 is the vertical view of downlink rope brake in the utility model,
Fig. 8 is the B-B direction sectional view of Fig. 7；
1 is control cabinet in figure, and 2 be traction sheave, and 20 be wheel seat, and 3 be car, and 4 be limiter of speed, and 40 be speed limited wheel, and 400 be tactile
Hair engaging aperture, 41 be holder；
5 be rope brake, and 51 be uplink rope brake, and 510 be uplink fixed plate, and 511 be uplink outside plate, and 512 be uplink inner panel,
513 be uplink hydraulic cylinder, and 514 be uplink hydraulic stem, and 515 be uplink limited block, and 52 be downlink rope brake, and 520 be that downlink is fixed
Plate, 521 be downlink outside plate, and 522 be downlink inner panel, and 523 be downlink hydraulic cylinder, and 524 be downlink hydraulic stem, and 525 be downlink limit
Block, 6 be computer room；
7 be linkage, and 71 be frizzen, and 710 be balancing disk, and 72 be accelerating gearbox, and 721 be input shaft, and 722 be defeated
Shaft, 723 be to reset motor, and 73 be oil cylinder, and 731 be screw rod, and 732 be cylinder body, and 74 be oil pipe, and 75 be slide, and 750 be that straight line is slided
Rail, 76 be linear drive apparatus, and 760 be hydraulic cylinder, and 761 be booster pump, and 762 be push rod, and 763 be upper pressurizing chamber, and 764 be lower add
Chamber is pressed, 77 be resetting spring.
Specific implementation mode
As shown in figures 1-8, including control cabinet 1, traction sheave 2, car 3, limiter of speed 4 and rope brake 5 are described for the utility model
Traction sheave 2 is pumped by car 3 described in several Steel rope drives and is fixedly connected on computer room 6 by wheel seat 20
Interior, the limiter of speed 4 includes speed limited wheel 40, is linked by linkage 7 between the limiter of speed 4 and the rope brake 5, described
Limiter of speed 4 is connected to by holder 41 in computer room 6；The linkage 7 includes frizzen 71, balancing disk 710, accelerating gearbox
72, resetting spring 77, oil cylinder 73, oil pipe 74, slide 75 and linear drive apparatus 76；
The triggering hole 400 being adapted to the frizzen 71 is offered on the speed limited wheel 40；It in actual use, can be to limit
The size of speed wheel adjusts so that single layer floor height is the integral multiple of the perimeter of speed limited wheel circumference, so that car stops every time
The position that hole is triggered when only is constant.
The slide 75 is fixedly connected in computer room 6 and the top surface of slide 75 is equipped with line slide rail 750；
The bottom of the accelerating gearbox 72 is equipped with the sliding block one being adapted to the line slide rail 750, the resetting spring
77 are against between holder 41 and accelerating gearbox 72, and the accelerating gearbox 72 includes input shaft 721, output shaft 722, resets electricity
Machine 723 and babinet, the accelerating gearbox 72 are slidably connected at by sliding block one on line slide rail 750, the input shaft 721 with
Output shaft 722 wears the babinet and is mutually parallel, and passes through accelerating gear group between the input shaft 721 and output shaft 722
Linkage, the reset motor 723 are connected on babinet and for driving 721 spinning reduction of input shaft；The accelerating gear group packet
Intermeshing gear wheel and pinion gear are included, the gear wheel is socketed the input shaft and is equipped between gear wheel and input shaft
Square key one, the pinion gear are socketed the output shaft and are equipped with square key two between pinion gear and output shaft；
The horizontal side for being set to triggering hole 400 of the frizzen 71, the upper end of the balancing disk 710 is fixedly connected with frizzen
The lower end of 71 one end far from triggering hole 400, the balancing disk 710 is fixedly connected with one end that input shaft 721 stretches out babinet；
The bottom of the oil cylinder 73 is equipped with the sliding block two being adapted to the line slide rail 750, the linear drive apparatus 76
It is connected on the top surface of the slide 75 and is located at side of the oil cylinder 73 far from the accelerating gearbox 72, the straight line
Driving device 76 is connected to the control cabinet 1 and for driving the oil cylinder 73 to make linear reciprocation fortune along the line slide rail 750
It is dynamic；
The oil cylinder 73 includes screw rod 731 and cylinder body 732, and the cylinder body 732 is cylindrical in shape and is slidably connected by sliding block two
On line slide rail 750, one end of the screw rod 731 is threadedly attached in cylinder body 732, and the screw rod 731 stretches out cylinder body
732 one end is concentric with output shaft 722 and fits（It is equipped with and is adapted and relatively on the end face of the screw rod and output shaft
The friction plate answered）, the one end of the cylinder body 732 far from the screw rod 731 is connected to the oil pipe 74；
The rope brake 5 includes uplink rope brake 51 and downlink rope brake 52, the uplink rope brake 51 and downlink rope-clamping
Device 52 is connected to the oil cylinder 73 by oil pipe 74.I.e. when oil cylinder is fuel-displaced or oil suction, uplink rope brake or downlink can be driven to press from both sides
One in rope device is made action, to clamp（Locking）Several steel wire ropes so that car remains stationary.
Specifically：After car is run to designated position, controller will send out advancement commands to linear drive apparatus, make
The side translation where oil cylinder towards position-limited wheel is obtained, and will be pushed after the screw rod of oil cylinder touches the output shaft of accelerating gearbox
Accelerating gearbox overcomes the active force of resetting spring to continue to translate, until frizzen stretches into the triggering hole on speed limited wheel.
Hereafter, once car occurs caused by overload, steel wire iope slippage etc. " improper displacement "（Position under non-instruction
It moves）, position-limited wheel forward or reverse will be directly driven, to pass sequentially through frizzen, balancing disk, input shaft, accelerating gear group, defeated
Shaft and friction plate are transferred on screw rod, and screw rod is made to accelerate rotation, so that cylinder body is fuel-displaced or oil suction, to finally drive
One in row rope brake or downlink rope brake is made action so that car remains stationary.
If car does not occur " improper displacement ", controller will send out reset instruction to linear drive apparatus so that oil cylinder
It is directed away from the side translation of speed limited wheel, is no longer bonded with output shaft due to screw rod at this time, accelerating gearbox will reset
The side translation of speed limited wheel is directed away under the action of spring, to drive frizzen to be detached from triggering hole so that car can restore
Normal operating condition.
This case also found in actual use, and after there is " improper displacement " due to car, the deflection of speed limited wheel will
Lead to that there is larger frictional force between frizzen and the inner wall for triggering hole by larger load on frizzen, therefore,
After car no longer overloads or the problems such as steel wire iope slippage is resolved, it only will be unable to drive frizzen and triggering hole by resetting spring
It disengages, to which car can not be made to restore to normal operating condition.For the technical problem, it is additionally arranged clump weight in this case, this
Sample, when controller will send out reset instruction to linear drive apparatus so that oil cylinder is directed away from the side translation of speed limited wheel, fuel tank
Screw rod detached with the output shaft of accelerating gearbox after, the output shaft in accelerating gearbox will lose opposition so that touch
Hair bar further rotates certain angle under the gravity of itself and clump weight, so that resetting spring can be pushed away easily
Dynamic accelerating gearbox, the disengaging realized frizzen and triggered between hole act；Finally, it is electric to resetting can to send out instruction for controller
Machine so that frizzen backswing resets, and screw rod revolution resets, and rope brake unclamps the locking to steel wire rope, finally may make car
Restore to normal operating condition after staff's leveling.
In conclusion this case is solved when caused by overload, steel wire iope slippage etc. " improper displacement " occurs in car
Locking problem, and solve the problems, such as that after " improper displacement " is eliminated, frizzen is not easy to exit from triggering hole.This practicality is new
Type greatly ensure that the safety of car and the reliability of equipment, have delicate structure, stability and reliability on the whole
High, the advantages that service life is longer.
Linear drive apparatus in this case can exist with fluid pressure type, pneumatic type and the structure types such as mechanical, however be directed to
The special operation condition of elevator, this case propose a kind of embodiment to acquire a special sense：The linear drive apparatus 76 includes hydraulic pressure
Cylinder 760, booster pump 761 and push rod 762, the hydraulic cylinder 760 are fixedly connected on line slide rail 750 far from accelerating gearbox 72
One end, the hydraulic cylinder 760 is interior to be equipped with upper pressurizing chamber 763 and lower pressurizing chamber 764, and one end sliding of the push rod 762 is set on upper
In pressurizing chamber 763, the other end be fixedly connected with oil cylinder 73, the lower pressurizing chamber 763 is connected to upper pressurizing chamber 764 by intercommunicating pore,
The booster pump 761 is set in intercommunicating pore.When elevator works normally, under the action of booster pump so that protected in lower pressurizing chamber
Hold higher oil pressure；After controller sends out advancement commands, booster pump power-off may make not work, so that in lower pressurizing chamber
Hydraulic oil be upwardly into pressurizing chamber, drive push rod protruding；After controller sends out reset instruction, supercharging may make
Pump, which is powered, starts to work, so that the hydraulic oil in upper pressurizing chamber is pressed into lower pressurizing chamber, finally realizes returning for push rod
Contracting resets.
In this way, when there are the emergency situations of similar elevator power failure, this liquid at present in pressurizing chamber will add upwards naturally
Chamber flowing is pressed, to releasing push rod so that oil cylinder and accelerating gearbox will integral translations under the action of push rod so that triggering
Bar stretches into（Car stationary）Or it is caught in（Car moves）In triggering hole on speed limited wheel, and then uplink folder is driven by linkage
" locking " several steel wire ropes in rope device or downlink rope brake.
For elevator special operation condition particularly may be divided into it is following several：
One, overload when car opens the door into visitor, goods, controller does not carry out any instruction at this time, or even car gate all
Car falls downwards in the case of being not turned off.At this point, since car reaches designated position, frizzen has been positioned in triggering hole,
Once there is such " improper displacement " in car, linkage will drive uplink rope brake or downlink rope brake simultaneously " locking " if
Dry steel wire rope；
Two, when car downlink because caused by incrementally increasing Quality of Steel Wire Rope overload or when car uplink because of steel wire rope matter
It is overweight to measure clump weight side caused by incrementally increasing：
If the power supply of controller is normal at this time, controller instruction and the data of speed limited wheel movement will be combined to judge that this is
" improper displacement ", and then booster pump dead electricity is controlled, to be driven in uplink rope brake or downlink rope brake by linkage
" locking " several steel wire ropes；
If the unexpected dead electricity of controller at this time, dead electricity is filled to still push rod be driven to stretch out by linking booster pump simultaneously
Set driving uplink rope brake or downlink rope brake " locking " several steel wire ropes simultaneously.
To sum up so that this case is in the special operation condition in elevator（Including power-off）When also can effectively ensure that elevator operation
Safety, to which the stability and reliability of equipment greatly improved on the whole.
The uplink rope brake 51 includes a pair of of uplink fixed plate 510 and a pair of of uplink rope grip mechanism, a pair of uplink
Fixed plate 510 is fixedly connected on the wheel seat 20 of traction sheave 2 and is symmetrical arranged, and the uplink rope grip mechanism is fixedly connected
Between a pair of uplink fixed plate 510 and a pair of uplink rope grip mechanism is symmetrical arranged, and several steel wire ropes are worn
Between a pair of uplink rope grip mechanism；
The uplink rope grip mechanism includes uplink outside plate 511, uplink inner panel 512, uplink hydraulic cylinder 513 and uplink hydraulic stem
514, the uplink outside plate is fixedly connected between two uplink fixed plates, and the uplink hydraulic cylinder 513 is fixedly connected on outside uplink
The top of plate 511 and for driving uplink hydraulic stem 514；The uplink outside plate 511 presents small wedge shape upper greatly, the uplink
Inner panel 512 is located between uplink outside plate 511 and steel wire rope, and the uplink inner panel 512 offers key-way shape through-hole, the uplink liquid
Compression bar 514 wears the key-way shape through-hole, and a pair is fixedly connected on the uplink hydraulic stem 514 and is fitted in uplink inner panel respectively
512 both sides of the face（That is its top and bottom）On uplink limited block 515, to ensure uplink inner panel and uplink hydraulic stem upper
Synchronous straight reciprocating motion is done under the action of row hydraulic cylinder；The two uplink hydraulic cylinders 513 are connected to by oil pipe 74 described
The cylinder body 732 of oil cylinder 73.
When cylinder body oil suction, the hydraulic oil in uplink hydraulic cylinder enters cylinder body through oil pipe, to drive on uplink hydraulic stem
Row, and uplink inner panel uplink is driven, since uplink outside plate is in up big and down small wedge shape so that during a pair of of uplink inner panel uplink
Several steel wire ropes are pressed on the inner side end of two uplink inner panels simultaneously, to pass through the uplink of several steel wire ropes and its both sides
Frictional force " locking " steel wire rope between inner panel, stops car.
The downlink rope brake 52 includes a pair of of downlink fixed plate 520 and a pair of of downlink rope grip mechanism, a pair of downlink
Fixed plate 520 is fixedly connected on the wheel seat 20 of traction sheave 2 and is symmetrical arranged, and the downlink rope grip mechanism is fixedly connected on
Between a pair of downlink fixed plate 520 and a pair of downlink rope grip mechanism is symmetrical arranged, and several steel wire ropes are threaded through
Between a pair of downlink rope grip mechanism；
The downlink rope grip mechanism includes downlink outside plate 521, downlink inner panel 522, downlink hydraulic cylinder 523 and downlink hydraulic stem
524, the downlink outside plate 521 is fixedly connected between two downlink fixed plates 520, and the downlink hydraulic cylinder 523 is fixedly connected on
The top of downlink outside plate 521 and for driving downlink hydraulic stem 524；The downlink outside plate 521 is in up-small and down-big wedge shape, institute
It states downlink inner panel 522 to be located between downlink outside plate 521 and steel wire rope, the downlink inner panel 522 offers key-way shape through-hole, described
Downlink hydraulic stem 524 is arranged in the key-way shape through-hole, and a pair is fixedly connected on the downlink hydraulic stem 524 and is fitted in respectively
The both sides of the face of downlink inner panel（That is its top and bottom）On downlink limited block 525, to ensure downlink inner panel and downlink hydraulic pressure
Bar does synchronous straight reciprocating motion under the action of downlink hydraulic cylinder；The two downlink hydraulic cylinders 523 are connected by oil pipe 74
Lead to the cylinder body 732 of the oil cylinder 73.
When cylinder body is fuel-displaced, the hydraulic oil in cylinder body enters downlink hydraulic cylinder through oil pipe, to drive under downlink hydraulic stem
Row, and downlink inner panel downlink is driven, since downlink outside plate is in up-small and down-big wedge shape so that during a pair of of downlink inner panel downlink
Several steel wire ropes are pressed on the end face of a pair of of downlink inner panel simultaneously, to by the downlink of several steel wire ropes and its both sides
Frictional force " locking " steel wire rope between plate, stops car.
The uplink inner panel 512 is in up-small and down-big wedge shape corresponding with the uplink outside plate 511, the downlink inner panel
522 be in up big and down small wedge shape corresponding with the downlink outside plate 521.
Once in this way, car occur " improper displacement ", speed limited wheel i.e. rotate, to control uplink rope brake or under
Row rope brake " locking " several steel wire ropes.Meanwhile this case has " the improper displacement " of car bigger, speed limited wheel rotation angle is got over
Greatly, screw rod stroke is bigger, and the stroke of uplink hydraulic stem or downlink hydraulic stem is bigger, the spy bigger to the frictional force of steel wire rope
Point, to greatly ensure that the safety of car and the reliability of equipment.
Damping is equipped between the sliding block one and line slide rail 750.So that the translation of accelerating gearbox is slower than always
The translation of oil cylinder further ensures the action stability and Reliability of Microprocessor of this case.
The balancing disk 710 is in up big and down small cam-like, and the axle center of the frizzen 71 and the axle center of input shaft 721 are equal
On center line in the cam.In this way, can guarantee when car does not occur " improper displacement " the axle center of frizzen and
The axle center of input shaft is maintained in same vertical plane；
At the same time, since cam is up big and down small, center of gravity is on the upper side, after frizzen generates swing, the center of gravity of cam
The plumb line for deviateing input shaft axle center, to which after screw rod is detached with output shaft, cam can promote to touch under self gravitation effect
Hair bar is more good, it is stabilization be rotated further certain distance, finally to avoid no longer overloading in car or steel wire iope slippage etc. is asked
After topic is resolved, resetting spring is only leaned on to will be unable to drive frizzen to be disengaged with triggering hole, thus can not make car restore to
The problem of normal operating condition.
The triggering hole 400 is in using the axle center of speed limited wheel 40 as the arc in the center of circle.In actual use due to elevator, usually
In the presence of the displacement error of ± 20cm（Usually by operation when the micro skidding of steel wire rope or car uplink and downlink, excessive, deficiency causes）,
Triggering hole is set as arc, then can be that the error flows out surplus, to can effectively avoid the false triggering of rope brake, to improve
The stability and reliability of a whole set of elevator.
Claims (6)
1. multiple protective formula elevator, which is characterized in that including control cabinet, traction sheave, car, limiter of speed, safety tongs and rope brake,
The traction sheave is pumped by car described in several Steel rope drives and is fixedly connected on computer room by wheel seat
Interior, the limiter of speed includes speed limited wheel, is linked by linkage between the limiter of speed and the rope brake, the limiter of speed
It is connected in computer room by holder；The linkage include frizzen, balancing disk, accelerating gearbox, resetting spring, oil cylinder,
Oil pipe, slide and linear drive apparatus；
The triggering hole being adapted to the frizzen is offered on the speed limited wheel；
The slide is fixedly connected in computer room and the top surface of slide is equipped with line slide rail；
The bottom of the accelerating gearbox is equipped with the sliding block one that be adapted to the line slide rail, the resetting spring be against holder and
Between accelerating gearbox, the accelerating gearbox includes input shaft, output shaft, resets motor and babinet, the accelerating gearbox
It is slidably connected on line slide rail by sliding block one, the input shaft wears the babinet with output shaft and is mutually parallel, institute
It states and is linked by accelerating gear group between input shaft and output shaft, the reset motor is connected on babinet and is used to drive defeated
Enter axis spinning reduction；
The frizzen level is set to the side in triggering hole, and the upper end of the balancing disk is fixedly connected with frizzen far from triggering hole
The lower end of one end, the balancing disk is fixedly connected with one end that input shaft stretches out babinet；
The bottom of the oil cylinder is equipped with the sliding block two being adapted to the line slide rail, and the linear drive apparatus is connected to the cunning
On the top surface of seat and it is located at side of the oil cylinder far from the accelerating gearbox, the linear drive apparatus and the control
Case is connected to and for driving the oil cylinder to make straight reciprocating motion along the line slide rail；
The oil cylinder includes screw rod and cylinder body, and the cylinder body is cylindrical in shape and is slidably connected on line slide rail by sliding block two, institute
The one end for stating screw rod is threadedly attached in cylinder body, and one end of the screw rod stretching cylinder body is concentric with output shaft and is affixed
It closes, the one end of the cylinder body far from the screw rod is connected to the oil pipe；
The rope brake includes uplink rope brake and downlink rope brake, and the uplink rope brake and downlink rope brake pass through oil pipe
It is connected to the oil cylinder.
2. multiple protective formula elevator according to claim 1, which is characterized in that the linear drive apparatus includes hydraulic pressure
Cylinder, booster pump and push rod, the hydraulic cylinder are fixedly connected on the one end of line slide rail far from accelerating gearbox, in the hydraulic cylinder
Equipped with upper pressurizing chamber and lower pressurizing chamber, one end sliding of the push rod is set in upper pressurizing chamber, the other end is fixedly connected with oil cylinder, institute
It states lower pressurizing chamber to be connected to by intercommunicating pore with upper pressurizing chamber, the booster pump is set in intercommunicating pore.
3. multiple protective formula elevator according to claim 1, which is characterized in that the uplink rope brake includes a pair of of uplink
Fixed plate and a pair of of uplink rope grip mechanism, it is on the wheel seat of traction sheave and right that a pair of uplink fixed plate is fixedly connected with
Claim setting, the uplink rope grip mechanism is fixedly connected between a pair of uplink fixed plate and a pair of uplink rope-clamping machine
Structure is symmetrical arranged, and several steel wire ropes are threaded through between a pair of uplink rope grip mechanism；
The uplink rope grip mechanism includes uplink outside plate, uplink inner panel, uplink hydraulic cylinder and uplink hydraulic stem, the uplink outside plate
It is fixedly connected between two uplink fixed plates, the uplink hydraulic cylinder is fixedly connected on the top of uplink outside plate and for driving
Uplink hydraulic stem；The uplink outside plate presents small wedge shape upper greatly, and the uplink inner panel is located between uplink outside plate and steel wire rope,
The uplink inner panel offers key-way shape through-hole, and the uplink hydraulic stem wears the key-way shape through-hole, the uplink hydraulic stem
On be fixedly connected with a pair of uplink limited block being fitted in respectively on the both sides of the face of uplink inner panel；The two uplink hydraulic cylinders are equal
The cylinder body of the oil cylinder is connected to by oil pipe.
4. multiple protective formula elevator according to claim 1, which is characterized in that the downlink rope brake includes a pair of of downlink
Fixed plate and a pair of of downlink rope grip mechanism, a pair of downlink fixed plate are fixedly connected on the wheel seat of traction sheave and symmetrical
Setting, the downlink rope grip mechanism is fixedly connected between a pair of downlink fixed plate and a pair of downlink rope grip mechanism
It is symmetrical arranged, several steel wire ropes are threaded through between a pair of downlink rope grip mechanism；
The downlink rope grip mechanism includes downlink outside plate, downlink inner panel, downlink hydraulic cylinder and downlink hydraulic stem, the downlink outside plate
It is fixedly connected between two downlink fixed plates, the downlink hydraulic cylinder is fixedly connected on the top of downlink outside plate and for driving
Downlink hydraulic stem；The downlink outside plate is in up-small and down-big wedge shape, and the downlink inner panel is located between downlink outside plate and steel wire rope,
The downlink inner panel offers key-way shape through-hole, and the downlink hydraulic stem is arranged in the key-way shape through-hole, the downlink hydraulic pressure
A pair of downlink limited block being fitted in respectively on the both sides of the face of downlink inner panel is fixedly connected on bar；The two downlink hydraulic cylinders
The cylinder body of the oil cylinder is connected to by oil pipe.
5. multiple protective formula elevator according to claim 1, which is characterized in that set between the sliding block one and line slide rail
There is damping.
6. multiple protective formula elevator according to claim 1, which is characterized in that the balancing disk is in up big and down small cam
Shape, the axle center of the frizzen and the axle center of input shaft are on the center line of the cam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820170108.9U CN207759883U (en) | 2018-01-31 | 2018-01-31 | Multiple protective formula elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820170108.9U CN207759883U (en) | 2018-01-31 | 2018-01-31 | Multiple protective formula elevator |
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| Publication Number | Publication Date |
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| CN207759883U true CN207759883U (en) | 2018-08-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108275554A (en) * | 2018-01-31 | 2018-07-13 | 江苏通用电梯有限公司 | A kind of multiple protective formula elevator |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108275554A (en) * | 2018-01-31 | 2018-07-13 | 江苏通用电梯有限公司 | A kind of multiple protective formula elevator |
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Granted publication date: 20180824 Termination date: 20220131 |