CN104192670B - Speed limiter of high-speed lift - Google Patents
Speed limiter of high-speed lift Download PDFInfo
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- CN104192670B CN104192670B CN201410365591.2A CN201410365591A CN104192670B CN 104192670 B CN104192670 B CN 104192670B CN 201410365591 A CN201410365591 A CN 201410365591A CN 104192670 B CN104192670 B CN 104192670B
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Abstract
Speed limiter of high-speed lift of the present invention relates to a kind of speed-limiting device for car, cage or skip bucket, including rope sheave, wirerope-winding is on rope sheave, and rope sheave is provided with two little axles, and two little axles are hinged with a special-shaped rejection tablet the most rotationally, connect between two rejection tablets and have connecting rod, rejection tablet and connecting rod form quadrilateral structure, and the movable end of rejection tablet is fixedly connected with spring, is provided with switch block below rejection tablet, switch block can be destroyed during rejection tablet centrifugal motion, make elevator power-off.Its purpose is to provide a kind of easy and simple to handle, speed of action accurately, can fast braking elevator, speed limit is effective, use and maintenance low cost, safety coefficient are high speed limiter of high-speed lift.
Description
Technical field
The present invention relates to elevator detects, fault correction or the applied technical field of safety device, particularly relate to a kind of for
The speed-limiting device of car, cage or skip bucket.
Background technology
Elevator governor, is one of safety con-trol part in elevator safety protection system.It at any time Monitoring and Controlling the speed of car
Degree, when elevator is in operation, no matter which kind of reason makes car exceed the speed limit, and when i.e. reaching the 115% of rated speed of lift, even sends out
Raw fall dangerous time, on-off model can be sent in time, cut off power supply circuits, make traction machine brake.If elevator still without
Method is braked, and speed continues to increase, then limiter of speed can drive the safety tongs action being arranged on cage bottom that car is forced stop, from
And avoid casualties and device damage accident.
The high-speed governor of domestic production at present, as shown in Figure 13, Figure 14, is only provided with one for making in speed limit parts 1 ＇
Roller 2 ＇ of dynamic limiter of speed, when limiter of speed is braked, drives brake drum 3 ＇ by roller 2 ＇ and brake drum 3 ＇ friction completely
Rotating, then clamped steel wire rope 5 ＇ by gap triggering folder rope parts 4 ＇ on brake drum 3 ＇, this frictional force needs suitable great talent
Can realize the action of limiter of speed, roller 2 ＇ can be squeezed between speed limit parts 1 ＇ and brake drum 3 ＇ by the biggest extruding force, causes
When making limiter of speed reset extremely difficult.Additionally, folder rope parts 4 ＇ is the most extremely difficult when resetting, need to tap by instrument,
This most easily makes limiter of speed damage.
It addition, the Chinese invention patent that Authorization Notice No. is CN100575234C discloses a kind of elevator governor, use by interior
External friction wheel, friction wheel post, centrifugal tetragon component, connecting rod, the roller pillar freewheel clutch of balancing spring composition, but should
Limiter of speed there is also following deficiency:
1, two friction pulleys are it cannot be guaranteed that brake simultaneously, and the speed of action that can cause limiter of speed is inaccurate, and discreteness is bigger.Additionally
During due to two friction pulley braking differences, it is likely to result in part stress inhomogeneous deformation, limiter of speed time serious, can be made to lose efficacy.
2, limiter of speed needs to arrange two switches, and one is used for detecting electrical speed, and another disconnects electricity by force when mechanical action
Road, relatively costly.
3, above-mentioned patent limiter of speed, main shaft is the most revolvable, it is impossible to connecting encoder, using it for express elevator has the biggest
Limitation.
Summary of the invention
The technical problem to be solved in the present invention be to provide a kind of easy and simple to handle, speed of action accurately, can fast braking elevator, speed limit
Speed limiter of high-speed lift effective, that use and maintenance low cost, safety coefficient are high.
Speed limiter of high-speed lift of the present invention, including gusset, box support, described gusset fixes on the ground, described box support
Being fixed on described gusset, described box support includes front side board, back side panel, is provided with rope sheave parts, institute in described box support
Stating rope sheave parts and include vertically arranged rope sheave, wirerope-winding is on described rope sheave, and horizontally disposed main shaft is the most successively
Pass perpendicularly through described front side board, rope sheave, back side panel, the front surface of described rope sheave is provided distributed over described main shaft arranged on left and right sides
The second little axle, the first little axle, described first little axle, the second little axle are hinged with upper and lower being arranged symmetrically with the most rotationally
First abnormity rejection tablet, the second abnormity rejection tablet, the upper and lower lateral arrangement of described main shaft has two connecting rods, and described connecting rod is positioned at institute
State in the first abnormity rejection tablet and the second space of surrounding of abnormity rejection tablet, the two ends of described connecting rod respectively with described first abnormity rejection tablet,
Second abnormity rejection tablet hinged, formed quadrilateral structure, the first spring, the second spring one end respectively with described first abnormity rejection tablet
Movable end, the movable end of the second abnormity rejection tablet fixing connect, the other end is separately fixed on described rope sheave, described first spring,
Second spring lays respectively at the left and right sides of described quadrilateral structure and is parallel to each other, and is fixedly provided with switch portion in described box support
Part, described switch block is fixed on described front side board, and the top of described switch block is provided with the switch contact protruded upward, institute
State switch contact and be positioned at the lower section of described second abnormity rejection tablet.
Speed limiter of high-speed lift difference from prior art of the present invention is, speed limiter of high-speed lift of the present invention passes through connecting rod, gets rid of
The quadrilateral structure of the parts such as sheet composition and the rope sheave parts with its mating reaction, when elevator overspeed reaches electrical action speed,
Quickly and easily by elevator power-off, such limiter of speed is easy and simple to handle, speed of action accurate, can fast and effeciently destroy switch
Stop elevator, the safe operation for elevator provides more sound assurance.
As further improving, speed limiter of high-speed lift of the present invention, the front of wherein said rope sheave is coaxially arranged have triggering dish with
And pass described triggering dish and be secured to triggering set together, it is provided with horizontal plane bottom the outer rim of described triggering dish, its remaining part
It is divided into circular arc, described first abnormity rejection tablet, the second abnormity rejection tablet to be respectively positioned between described rope sheave and described triggering dish, described first
Abnormity rejection tablet, it is fixedly provided with two and is symmetrically dispersed in the upper and lower both sides of described main shaft between the second abnormity rejection tablet and described rope sheave
Lobe, described lobe is provided with the arc surface of described main shaft bending, two described lobe near the side of described main shaft
On arc surface relative, form " () " shape, formed between described arc surface and described triggering set and become narrow gradually along clockwise direction
Space, described two connecting rods are parallel to each other, and the middle part of described connecting rod is hinged with roller, and described roller is positioned at described space,
And can roll in described space,
Also including the folder rope parts being positioned at below described rope sheave parts, the left end of described folder rope parts is fixed on described box support
On left plate, described folder rope parts are arranged over being positioned at the link plate of described rope sheave lower left, threaded reset above described link plate
Bar, described link plate front is provided with driving lever trigger unit, the front end of the bearing pin identical with described main shaft arranged direction and described front side board
Threaded, rear end is the most hinged with the left upper end of described driving lever trigger unit, a left side for described driving lever trigger unit
Lower end is equipped with the limit shaft identical with described bearing pin arranged direction, described limit shaft and described driving lever trigger unit interference fit,
The right-hand member of described driving lever trigger unit contacts with described horizontal plane, and described switch contact is positioned at the lower section of described driving lever trigger unit,
On described link plate, the position near described limit shaft is provided with the cambered surface upwards caved in, and described limit shaft is fitted with described cambered surface, described
The two ends of link plate lower surface are connected by linear bearing respectively two guide pillars of vertically layout, and the bottom of described guide pillar is fixed on institute
State front side plate holder rope parts header board on, the equidirectional extension spring being in extended state being arranged between described two guide pillars upper,
Lower two ends are separately fixed at the feather edge of described link plate and described header board, and the rear of described guide pillar is symmetrically provided with two
Opposite face be parallel to each other plane, be the voussoir on inclined-plane from face, the distance between face of two described voussoirs to
Under be gradually reduced, described voussoir fixes the lower surface upper and lower being slidably attached at described link plate by voussoir axle, described in two
Voussoir can move toward one another, described steel wire rope also includes the pendency vertical section in the left side of described rope sheave, and described vertical section is positioned at two
In the clip slot that individual described voussoir is formed, also include that two left and right layout and opposite faces in described folder rope parts being fixed on are oblique
The slide block in face, the distance between the opposite face of two described slide blocks tapers into from top to bottom, wherein, is positioned at the described of high order end
Slide block is fixedly installed in described folder rope parts, and another described slide block can slide to the slide block of described high order end, two described wedges
Block is between two described slide blocks, and can move downward on the inclined-plane along described slide block.
Elevator overspeed runs when reaching mechanical action speed, two roller synchronizations of speed limiter of high-speed lift of the present invention, simultaneously
With miscellaneous part close fit stop elevator after clamping triggering set, thus limiter of speed precision is high, speed of action is accurate, sensitive, fast
Speed, discreteness are little, substantially increase the safety coefficient of elevator.And, two rollers synchronizations simultaneously, part stress uniformly,
It is unlikely to deform, further improves speed limit effect, extend the service life of limiter of speed part, reduce maintenance use cost.
Speed limiter of high-speed lift of the present invention, wherein said two connecting rods be arranged in parallel after with described first abnormity rejection tablet, second abnormity
Rejection tablet constitutes parallelogram sturcutre.Parallelogram sturcutre makes the motion amplitude of connecting rod identical, the centrifugal amplitude of two rejection tablets
Identical, substantially increase the harmony of rejection tablet action, harmony, further ensure two rollers and can simultaneously act on triggering set,
Thus substantially increase the precision of limiter of speed.
Speed limiter of high-speed lift of the present invention, the right-hand member of wherein said driving lever trigger unit is fixedly connected with banking stop, described banking stop
Side horizontal face before and after holding of trying to get to the heart of a matter with described triggering contacts, and described switch contact is positioned at the lower section of described banking stop.Banking stop is used
In stopping that switch contact resets, it is ensured that before folder rope member reset, switch contact can not be reset, and effectively maintains elevator
Braking effect.And, after banking stop is set, just it not be used in the mechanical action that on-off control elevator is set in folder rope parts separately,
Thus simplify structure, save use cost.
Speed limiter of high-speed lift of the present invention, wherein said main shaft and described rope sheave are interference fit.Such setting makes rope sheave turn
Time dynamic, stability position higher, rejection tablet will not change, and further ensuring two rollers can contact with triggering to overlap simultaneously, improves
The sensitivity of limiter of speed and precision.
Speed limiter of high-speed lift of the present invention, the front end of wherein said main shaft is provided with fore bearing, and described fore bearing is positioned at described triggering and overlaps
In, rear end is provided with rear bearing, is respectively equipped with front-end bearing pedestal, rear bearing block outside described fore bearing, rear bearing, described front-end bearing pedestal,
Rear bearing block is separately fixed on described front side board, back side panel.Installing bearing and bearing block substantially increase the stability of main shaft with
And the stability that whole rope sheave parts are overall, thus the precision of limiter of speed is higher, braking more precisely quickly, speed limit effect more preferable.
Preferably, wherein said triggering is provided with a deep groove ball bearing between set and described main shaft.Utilize the bearing of deep groove ball bearing
Play, it is possible to the position making triggering overlap occurs certain deviation, thus farthest ensure that two rollers can contact triggering simultaneously
Set, the precision making limiter of speed is higher.
Speed limiter of high-speed lift of the present invention, the front of wherein said main shaft connects encoder.During limiter of speed main axis, encoder is just
Obtain the information such as the current rotation direction of limiter of speed, rotational angular velocity, and fed back information to apparatus for controlling elevator, then controlled
System processed can carry out information comparison, determines whether that the current running status of elevator is the most abnormal.
Below in conjunction with the accompanying drawings the speed limiter of high-speed lift of the present invention is described further.
Accompanying drawing explanation
Fig. 1 is the axonometric drawing of speed limiter of high-speed lift of the present invention；
Fig. 2 is that the A of Fig. 1 is to axonometric drawing；
Fig. 3 is the another axonometric drawing of speed limiter of high-speed lift of the present invention；
Fig. 4 is the front view under speed limiter of high-speed lift resting state of the present invention；
Fig. 5 is the front view under speed limiter of high-speed lift operating state of the present invention；
Fig. 6 is the partial enlarged drawing in Fig. 5 at B；
Fig. 7 is the front view of rope sheave parts in speed limiter of high-speed lift of the present invention；
Fig. 8 is the partial enlarged drawing in Fig. 7 at C；
Fig. 9 is the D-D part sectioned view of Fig. 7；
Figure 10 is the front view of folder rope parts in speed limiter of high-speed lift of the present invention；
Figure 11 is the left view of folder rope parts in speed limiter of high-speed lift of the present invention；
Figure 12 is the rearview of folder rope parts in speed limiter of high-speed lift of the present invention；
Figure 13 is the structural representation of current domestic high-speed governor；
Figure 14 is the another structural representation of current domestic high-speed governor.
Detailed description of the invention
As shown in Figure 1 to Figure 3, speed limiter of high-speed lift of the present invention includes gusset 1, box support 2, and gusset 1 is fixed on ground
On, box support 2 is fixed on gusset 1, and box support 2 includes front side board 3, back side panel 31, left plate 32, right plate.
Being provided with rope sheave parts 5 in box support 2, rope sheave parts 5 include vertically arranged rope sheave 501, and steel wire rope (does not illustrates in figure)
Being wrapped on rope sheave 501, horizontally disposed main shaft 507 passes perpendicularly through front side board 3, rope sheave 501, back side panel the most successively
31, wherein, main shaft 507 and rope sheave 501 are interference fit.The front end of main shaft 507, rear end are respectively positioned on outside box support 2,
The front end of main shaft 507 is provided with fore bearing (not illustrating in figure), and rear end is provided with rear bearing (not illustrating in figure), fore bearing, rear axle
Being respectively equipped with front-end bearing pedestal 4, rear bearing block 7 outside holding, front-end bearing pedestal 4, rear bearing block 7 are separately fixed at front side board 3, rear side
On the lateral surface of plate 31.Bearing is set and bearing block improves the stability of main shaft 507 in limiter of speed work process, it is thus achieved that more
Good speed limit effect.
As it is shown in fig. 7, be provided distributed on the front surface of rope sheave 501 second little axle 5051 of main shaft 507 arranged on left and right sides,
One little axle 505, first little axle the 505, second little axle 5051 is hinged with the most rotationally upper and lower be arranged symmetrically with first different
Shape rejection tablet the 502, second abnormity rejection tablet 5021.First abnormity rejection tablet 502, second abnormity rejection tablet 5021 not with the first little axle 505,
The other end of the second little axle 5051 contact is movable end.The upper and lower lateral arrangement of main shaft 507 has two connecting rods 503, connecting rod
503 are positioned at the first abnormity rejection tablet 502 and space that the second abnormity rejection tablet 5021 surrounds, and the two ends of connecting rod 503 are respectively with first
Abnormity rejection tablet the 502, second abnormity rejection tablet 5021 is hinged, forms quadrilateral structure.
Again as it is shown in fig. 7, in order to adjust the speed of rejection tablet and provide centripetal force for rejection tablet, rope sheave 501 is also fixed with the
One spring the 52, second spring 521, one end of first spring the 52, second spring 521 respectively with first abnormity rejection tablet 502 work
Moved end, the fixing connection of movable end of the second abnormity rejection tablet 5021, the other end is separately fixed on rope sheave 501, the first spring 52,
Second spring 521 lays respectively at the left and right sides of quadrilateral structure and is parallel to each other.
As shown in Figure 3, Figure 4, in order to see internal structure, front side board 3 have employed omissive representation.In box support 2 also
Being installed with switch block 11, switch block 11 is fixed on front side board 3, and the top of switch block 11 is provided with opening of protruding upward
Closing contact 1101, switch contact 1101 is positioned at the lower section of the second abnormity rejection tablet 5021.Wherein, switch block 11 is that this area is normal
All can arrange according to conventional means by parts, its concrete structure and the fixed form with front side board 3, not repeat.
The operation principle of the limiter of speed of speed limiter of high-speed lift of the present invention is, when elevator overspeed is descending, reaches to use power-off brake
Electrical action speed time, rope sheave 501 rotates, and the first abnormity rejection tablet 502, second abnormity rejection tablet 5021 can be at the work of centrifugal force
Rotate around first little axle the 505, second little axle 5051 respectively with lower, the first abnormity rejection tablet 502 or the second abnormity rejection tablet 5021
Movable end centrifugal throw away, switch contact 1101 is destroyed, thus quickly and easily by elevator power-off brake.
As further improving, as shown in Fig. 3, Fig. 5, Fig. 9, the front of rope sheave 501 is coaxially arranged have triggering dish 508 with
And through triggering dish 508 the triggering set 506 that is fixed together with triggering dish 508, bottom the outer rim of triggering dish 508, it is provided with water
Plane 5081, remainder is circular arc, and first abnormity rejection tablet the 502, second abnormity rejection tablet 5021 is respectively positioned on rope sheave 501 and triggers
Between dish 508.Owing to triggering set 506 is also between rope sheave 501 and triggering dish 508, therefore it is necessary to two rejection tablets are also set
Putting between rope sheave 501 and triggering dish 508, so, the following roller 504 being connected on connecting rod 503 could be with triggering set 506
Engagement.
In conjunction with shown in Fig. 7, Fig. 8, the most fixed between first abnormity rejection tablet the 502, second abnormity rejection tablet 5021 and rope sheave 501
Having two lobe 51 being symmetrically dispersed in the upper and lower both sides of main shaft 507, lobe 51 is fixedly installed on rope sheave 501.
Lobe 51 is provided with the arc surface 511 of main shaft 507 bending, two in two lobe 51 near the side of main shaft 507
Individual arc surface about 511 relatively, forms " () " shape, arc surface 511 and triggering formed between set 506 along clockwise direction by
The space 512 that gradual change is narrow.Preferably, two connecting rods 503 are arranged in parallel, and then get rid of with first abnormity rejection tablet the 502, second abnormity
Sheet 5021 constitutes parallelogram sturcutre.The middle part of connecting rod 503 is hinged with roller 504, and roller 504 is positioned at space 512,
And can roll in space 512.Two connecting rods 503 are arranged in parallel and ensure that the movement locus of two rollers 504 is identical, with
Just engage with triggering set 506 simultaneously.Preferably, in conjunction with shown in Fig. 9, trigger and be provided with one between set 506 and main shaft 507
Deep groove ball bearing 509.Due to the existence of manufacturing tolerance, two rollers 504 may contact with triggering set 506 simultaneously, institute
To arrange deep groove ball bearing 509 between triggering set 506 and main shaft 507, deep groove ball bearing 509 has certain bearing clearance,
When there being a side wheel 504 to contact with triggering set 506, trigger set 506 and this play will be utilized in the pressure of this side wheel 504
Produce skew under power effect, instantaneous contact with another roller 504, under the frictional force of the extruding generation of two rollers 504,
Triggering set 506 is followed rope sheave 501 and is rotated together, the most farthest ensure that two rollers 504 can contact triggering simultaneously
Set, the precision making limiter of speed is higher.
As it is shown on figure 3, speed limiter of high-speed lift of the present invention also includes the folder rope parts 6 being positioned at below rope sheave parts 5, press from both sides rope portion
The left end of part 6 is fixed on the left plate 32 of box support 2.In conjunction with shown in Fig. 4, folder rope parts 6 are arranged over being positioned at rope
Take turns the link plate 601 of 501 lower lefts, threaded release link 609 above link plate 601, when following voussoir 604 at bottom position time
Wait, pull up 609 voussoirs 604 of release link and mention, simple, convenient, can quickly make folder rope parts 6 reset.Hang
Plate 601 front is provided with driving lever trigger unit 8, and switch contact 1101 is positioned at the lower section of driving lever trigger unit 8, with main shaft 507 cloth
Threadeding with front side board 3 in the front end putting the identical bearing pin in direction 9, the left upper end of rear end and driving lever trigger unit 8 is rotationally
Hinged.In conjunction with shown in Figure 11, the lower-left end of driving lever trigger unit 8 is equipped with the limit identical with bearing pin 9 arranged direction
Position axle 801, limit shaft 801 and driving lever trigger unit 8 interference fit.The right-hand member of driving lever trigger unit 8 and triggering dish 508 end
The horizontal plane 5081 of end contacts.In conjunction with shown in Figure 10, on link plate 601, the position of close limit shaft 801 is provided with and upwards caves in
Cambered surface 6011, limit shaft 801 is fitted with cambered surface 6011.The two ends of link plate 601 lower surface are respectively by linear bearing 606
Connecting two guide pillars 602 having vertically layout, the bottom of guide pillar 602 is fixed on the header board 61 of folder rope parts 6, equidirectional cloth
The upper/lower terminal putting the extension spring 603 being in extended state between two guide pillars 602 is separately fixed at link plate 601 and header board
At the feather edge of 61.In conjunction with shown in Figure 12, the rear of guide pillar 602 is symmetrically provided with two opposite faces for the most flat
The plane of row, being the voussoir 604 on inclined-plane from face, the distance between face of two voussoirs 604 is gradually reduced from top to bottom,
Two ends, left and right below link plate 601 are equipped with the elongated hole (not illustrating in figure) that left and right extends, and two voussoir axles 605 depend on before backward
Secondary through voussoir 604, elongated hole (not illustrating in figure), two voussoirs 604 are connected on link plate 601, two voussoir axles
605 in elongated hole along the length direction slide in opposition of elongated hole, drive two voussoir 604 move toward one another.Steel wire rope also includes pendency
At the vertical section in the left side of rope sheave 501, vertical section is positioned at the clip slot that two voussoirs 604 are formed.Folder rope parts 6 also include position
In the backplate (not illustrating in figure) at header board 61 rear, and connect header board 61, backplate and be positioned at the gear on the right side of header board 61, backplate
Block 63, about two trunnion axis arranged 64 through block 63 and are threadeded with block 63, and two trunnion axis 64 all overlap
Being provided with disc spring 65, disc spring 65 is positioned on the left of block 63, and the left side of disc spring 65 is provided with about two layouts, opposite face is inclined-plane
Slide block 608, the distance between the opposite face of two slide blocks 608 tapers into from top to bottom, is positioned at the slide block 608 of high order end
Being fixed between header board 61, backplate, header board 61, backplate are provided with the second elongated hole (not illustrating in figure) that left and right extends, and connect
Axle (not illustrating in figure) passes perpendicularly through the second elongated hole and the slide block 608 near disc spring 65, will be close to the slide block 608 of disc spring 65
Being arranged between header board 61, backplate, connecting shaft is slided in the second elongated hole, drives the slide block 608 near disc spring 65 to slide also
Close to the slide block 608 of high order end.Above-mentioned two voussoir 604 is respectively positioned between two slide blocks 608, on two voussoirs 604
The inclined-plane laminating of respectively with two slide blocks 608 in inclined-plane, two voussoirs 604 are transported downwards respectively along the inclined-plane on two slide blocks 608
Dynamic.
After elevator switch contact 1101 is destroyed power-off by rejection tablet, owing to overspeed situation is serious, elevator is not stopped transport, but still under
OK, elevator speed reaches speed needed for mechanical action, and now, rope sheave 501 accelerates to rotate clockwise, two rejection tablets continue from
Rotate around little axle under mental power function, drive two connecting rods 503 to move, and then, two rollers 504 being hinged on connecting rod 503
Can move clockwise in space 512, move closer to trigger set 506, when roller 504 is grasped tightly circular arc
Time between face 511 and triggering set 506, rope sheave 501 is rotated further, and under the effect of frictional force, triggers set 506 and is driven one
Rise and rotate, and then drive the triggering dish 508 being secured to together to rotate together, shown in Fig. 5, Fig. 6, for machine
Dynamic use state diagram, when triggering dish 508 rotates, horizontal plane 5081 disengages with the right-hand member of driving lever trigger unit 8, triggering dish
Arc section on the periphery of 508 is pressed downward against the right-hand member of driving lever trigger unit 8, and driving lever trigger unit 8 is clockwise around bearing pin 9
Rotating, the limit shaft 801 making stop link plate 601 move downward also departs from cambered surface 6011, loses barrier effect, so,
Under the common effect that gravity and extension spring 603 shrink, link plate 601 moves downward along guide pillar 602, is connected to one with link plate 601
Two voussoirs 604 risen also move downward, owing to the distance between the opposite face of two slide blocks 608 tapers into from top to bottom,
Therefore, descending during, the clip slot between two voussoirs 604 also becomes more and more narrow, the most at last the steel wire rope in clip slot clamping,
Complete the mechanical braking of elevator.
Preferably, as shown in Fig. 3, Fig. 4, Fig. 5, the right-hand member of driving lever trigger unit 8 is fixedly connected with banking stop 12, spacing
Contacts side surfaces before and after sheet 12 and triggering dish 508 bottom, switch contact 1101 is positioned at the lower section of banking stop 12.Rope sheave 501 is quiet
Time only, driving lever trigger unit 8 is the most static, and the bottom of triggering dish 508 is clamped by banking stop 12, when rope sheave 501 rotates, dials
The right-hand member of bar trigger unit 8 moves downward, and banking stop 12 moves down therewith, stops that the switch contact 1101 being struck off resets.If
Put banking stop 12 and can guarantee that switch contact 1101 will not reset before folder rope parts 6 are reset bar 609 lifting restoring, elevator
It is constantly in off-position, because without additionally arranging switch disconnecting circuit by force when mechanical action the most again, saving use cost.
It addition, the front of above-mentioned main shaft 507 can also connect encoder, the axle of encoder is connected by shaft coupling with main shaft 507.
Above embodiment is only to be described the preferred embodiment of the present invention, is not defined the scope of the present invention,
On the premise of designing spirit without departing from the present invention, the various changes that technical scheme is made by those of ordinary skill in the art
Shape and improvement, all should fall in the protection domain that claims of the present invention determines.
Claims (8)
1. a speed limiter of high-speed lift, including gusset (1), box support (2), described gusset (1) fixes on the ground,
Described box support (2) is fixed on described gusset (1), and described box support (2) includes front side board (3), back side panel (31),
It is characterized in that: be provided with rope sheave parts (5) in described box support (2), described rope sheave parts (5) include being arranged vertically
Rope sheave (501), wirerope-winding is on described rope sheave (501), and horizontally disposed main shaft (507) hangs down the most successively
Direct puncture crosses described front side board (3), rope sheave (501), back side panel (31), and the front surface of described rope sheave (501) is provided with distribution
At the second little axle (5051), the first little axle (505) of described main shaft (507) arranged on left and right sides, described first little axle (505),
Be hinged with the most rotationally on second little axle (5051) upper and lower be arranged symmetrically with first abnormity rejection tablet (502), second abnormity
Rejection tablet (5021), the upper and lower lateral arrangement of described main shaft (507) has two connecting rods (503), described connecting rod (503) position
In the space that described first abnormity rejection tablet (502) and the second abnormity rejection tablet (5021) surround, the two of described connecting rod (503)
End respectively with described first abnormity rejection tablet (502), second abnormity rejection tablet (5021) hinged, formed quadrilateral structure, the first bullet
Spring (52), the second spring (521) one end respectively with described first abnormity rejection tablet (502) movable end, second abnormity rejection tablet
(5021) movable end is fixing to be connected, and the other end is separately fixed on described rope sheave (501), described first spring (52),
Second spring (521) lays respectively at the left and right sides of described quadrilateral structure and is parallel to each other,
Being fixedly provided with switch block (11) in described box support (2), described switch block (11) is fixed on described front side board
(3), on, the top of described switch block (11) is provided with the switch contact (1101) protruded upward, described switch contact (1101)
It is positioned at the lower section of described second abnormity rejection tablet (5021).
Speed limiter of high-speed lift the most according to claim 1, it is characterised in that: the front of described rope sheave (501) is coaxial
It is disposed with triggering dish (508) and passes described triggering dish (508) and be secured to triggering set (506) together, described
Being provided with horizontal plane (5081) bottom the outer rim of triggering dish (508), remainder is circular arc, described first abnormity rejection tablet (502),
Second abnormity rejection tablet (5021) is respectively positioned between described rope sheave (501) and described triggering dish (508), and described first abnormity gets rid of
Sheet (502), it is fixedly provided with two and is symmetrically dispersed in described master between the second abnormity rejection tablet (5021) and described rope sheave (501)
The lobe (51) of axle (507) upper and lower both sides, described lobe (51) is provided with court near the side of described main shaft (507)
The arc surface (511) bent to described main shaft (507), the arc surface (511) on two described lobe (51) is relative,
Form " () " shape, described arc surface (511) and described trigger to overlap to be formed between (506) become narrow gradually along clockwise direction
Space (512), described two connecting rods (503) are parallel to each other, and the middle part of described connecting rod (503) is hinged with roller (504),
Described roller (504) is positioned at described space (512), and can roll in described space (512),
Also including folder rope parts (6) being positioned at described rope sheave parts (5) lower section, the left end of described folder rope parts (6) is fixed on
On the left plate (32) of described box support (2), it is left that described folder rope parts (6) is arranged over being positioned at described rope sheave (501)
The link plate (601) of lower section, described link plate (601) the threaded release link in top (609), described link plate (601) front sets
There is driving lever trigger unit (8), the front end of the bearing pin (9) identical with described main shaft (507) arranged direction and described front side board (3)
Threaded, rear end is the most hinged with the left upper end of described driving lever trigger unit (8), described driving lever trigger unit
(8) lower-left end is equipped with the limit shaft (801) identical with described bearing pin (9) arranged direction, described limit shaft (801) with
Described driving lever trigger unit (8) interference fit, the right-hand member of described driving lever trigger unit (8) connects with described horizontal plane (5081)
Touching, described switch contact (1101) is positioned at the lower section of described driving lever trigger unit (8), and described link plate (601) is upper near institute
The position stating limit shaft (801) is provided with the cambered surface (6011) upwards caved in, described limit shaft (801) and described cambered surface (6011)
Laminating, the two ends of described link plate (601) lower surface are connected by linear bearing (606) respectively two guide pillars of vertically layout
(602), the bottom of described guide pillar (602) is fixed on the header board (61) of described folder rope parts (6), equidirectional is arranged in
The upper/lower terminal of the extension spring (603) being in extended state between described two guide pillars (602) is separately fixed at described link plate
(601) and at the feather edge of described header board (61), the rear of described guide pillar (602) is symmetrically provided with two relatively
Face be parallel to each other plane, be the voussoir (604) on inclined-plane from face, two described voussoirs (604) between face away from
From being gradually reduced from top to bottom, described voussoir (604) is slidably attached at described link plate (601) by voussoir axle (605)
Lower section, two described voussoirs (604) can move toward one another, described steel wire rope also includes the left side in described rope sheave (501) of dangling
The vertical section of side, described vertical section is positioned at the clip slot that two described voussoirs (604) are formed, and also includes two in described folder rope portion
The slide block (608) that left and right is arranged and opposite face is inclined-plane in part (6), between the opposite face of two described slide blocks (608) away from
Tapering into from from top to bottom, wherein, the described slide block (608) being positioned at high order end is fixedly installed on described folder rope parts (6)
In, another described slide block (608) can slide to the slide block (608) of described high order end, and two described voussoirs (604) are positioned at
Between two described slide blocks (608), and can move downward on the inclined-plane along described slide block (608).
Speed limiter of high-speed lift the most according to claim 2, it is characterised in that: described two parallel cloth of connecting rod (503)
Postpone and constitute parallelogram sturcutre with described first abnormity rejection tablet (502), the second abnormity rejection tablet (5021).
4. according to the speed limiter of high-speed lift described in Claims 2 or 3, it is characterised in that: described driving lever trigger unit (8)
Right-hand member be fixedly connected with banking stop (12), before and after described banking stop (12) and described triggering dish (508) bottom, side connects
Touching, described switch contact (1101) is positioned at the lower section of described banking stop (12).
Speed limiter of high-speed lift the most according to claim 4, it is characterised in that: described main shaft (507) and described rope sheave
(501) it is interference fit.
Speed limiter of high-speed lift the most according to claim 5, it is characterised in that: the front end of described main shaft (507) is provided with
Fore bearing, described fore bearing is positioned at described triggering and overlaps (506), and rear end is provided with rear bearing, divides outside described fore bearing, rear bearing
Be not provided with front-end bearing pedestal (4), rear bearing block (7), described front-end bearing pedestal (4), rear bearing block (7) be separately fixed at described before
On side plate (3), back side panel (31).
Speed limiter of high-speed lift the most according to claim 6, it is characterised in that: described triggering overlaps (506) and described master
A deep groove ball bearing (509) it is provided with between axle (507).
Speed limiter of high-speed lift the most according to claim 7, it is characterised in that: the front of described main shaft (507) connects
Encoder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410365591.2A CN104192670B (en) | 2014-07-29 | 2014-07-29 | Speed limiter of high-speed lift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410365591.2A CN104192670B (en) | 2014-07-29 | 2014-07-29 | Speed limiter of high-speed lift |
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| Publication Number | Publication Date |
|---|---|
| CN104192670A CN104192670A (en) | 2014-12-10 |
| CN104192670B true CN104192670B (en) | 2016-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410365591.2A Active CN104192670B (en) | 2014-07-29 | 2014-07-29 | Speed limiter of high-speed lift |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105060058B (en) * | 2015-07-23 | 2017-07-28 | 杭州沪宁电梯部件股份有限公司 | A kind of constant force limiter of speed |
| CN105173959B (en) * | 2015-10-10 | 2017-10-10 | 杭州沪宁电梯部件股份有限公司 | A kind of deflecting constant force limiter of speed |
| CN108861944B (en) * | 2017-05-16 | 2023-12-19 | 杭州沪宁电梯部件股份有限公司 | speed limiter |
| CN107298358A (en) * | 2017-08-11 | 2017-10-27 | 河北东方富达机械有限公司 | anti-falling safety device |
| CN115140627B (en) * | 2022-07-27 | 2024-01-19 | 苏州富士精工电梯有限公司 | Elevator overspeed governor measuring device |
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|---|---|---|---|---|
| CN2448812Y (en) * | 2000-11-13 | 2001-09-19 | 余汉祥 | Cable breaking proof safety device for common planer frame |
| CN2536562Y (en) * | 2002-04-24 | 2003-02-19 | 河北东方机械厂 | Elevator speed limiter |
| CN2556176Y (en) * | 2002-07-11 | 2003-06-18 | 河北东方机械厂 | Elevator speed limiting device |
| CN101284617A (en) * | 2008-04-08 | 2008-10-15 | 宁波申菱电梯配件有限公司 | Speed limiter of elevator |
| CN204079144U (en) * | 2014-07-29 | 2015-01-07 | 河北东方富达机械有限公司 | Speed limiter of high-speed lift |
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2014
- 2014-07-29 CN CN201410365591.2A patent/CN104192670B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2448812Y (en) * | 2000-11-13 | 2001-09-19 | 余汉祥 | Cable breaking proof safety device for common planer frame |
| CN2536562Y (en) * | 2002-04-24 | 2003-02-19 | 河北东方机械厂 | Elevator speed limiter |
| CN2556176Y (en) * | 2002-07-11 | 2003-06-18 | 河北东方机械厂 | Elevator speed limiting device |
| CN101284617A (en) * | 2008-04-08 | 2008-10-15 | 宁波申菱电梯配件有限公司 | Speed limiter of elevator |
| CN204079144U (en) * | 2014-07-29 | 2015-01-07 | 河北东方富达机械有限公司 | Speed limiter of high-speed lift |
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| CN104192670A (en) | 2014-12-10 |
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