CN105173959B - A kind of deflecting constant force limiter of speed - Google Patents
A kind of deflecting constant force limiter of speed Download PDFInfo
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- CN105173959B CN105173959B CN201510652578.XA CN201510652578A CN105173959B CN 105173959 B CN105173959 B CN 105173959B CN 201510652578 A CN201510652578 A CN 201510652578A CN 105173959 B CN105173959 B CN 105173959B
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Abstract
The invention discloses a kind of deflecting constant force limiter of speed, including base and it is perpendicularly fixed on base and the first parallel side plate, the second side plate, first side plate and the second side sheet room assembling sheave shaft, sheave shaft is respectively by a bearing fit in the first side plate, the second side plate, sheave shaft is rotatably assorted rope sheave by second bearing, and rope sheave bypasses steel wire rope；Rope sheave is hinged provided with centrifugation connecting rod enlarger, centrifugation connecting rod enlarger with deflecting enlarger, and deflecting enlarger is pivotally assemblied in sheave shaft；Deflecting enlarger inter linking regulating mechanism, adjustment mechanism can be moved axially along sheave shaft, and the upper end of trigger mechanism is contacted under two lugs of adjustment mechanism, and the lower end of trigger mechanism is hinged clamping device, rope sheave or steel wire rope can be clamped after clamping device action.Deflecting constant force limiter of speed of the present invention, high low speed triggering response time is fast for its, centrifuge force amplification effect substantially, and overspeed detection control is stable, can produce relative constancy lifting power.
Description
Technical field
The invention belongs to speed-limiting device technical field, and in particular to a kind of deflecting constant force limiter of speed, for mechanical technique neck
Domain.
Background technology
Elevator is that electric switch is triggered in elevator overspeed with mechanical limiter of speed, and mechanical action produces lifting power to trigger peace
The measurement of full application of brake device and executing agency.Mainly there is pendulum and centrifugal two kinds at present, pendulum or rigidity clamping are instantaneous
Triggering class limiter of speed, which is easily realized, to automatically reset, and is used for machine room or speed is less than 1m/s elevators.It is more than 1m/s for speed
The limiter of speed of centrifugal resilient clamp is used, using ratchet triggering more than such limiter of speed, hypervelocity trigger mechanism acts on ratchet
Circumferencial direction, impulsive force is larger, while the measurement spring that exceeds the speed limit is placed on rope sheave and debugs inconvenience, influenceed greatly, to easily cause by acceleration and deceleration
Misoperation.It particularly will be adjusted to be more than more than 0.8m/s with below 0.5m/s elevators triggering speed, then be superimposed ratchet machine
Structure triggering velocity error is big, and hypervelocity response time length and hysteresis quality cause the increase of brakes energy, are protected to breaking rope protecting, hypervelocity
The brakes that shield etc. is controlled by limiter of speed generates larger security risk.
In addition, in the market limiter of speed generally existing with cable wire sliding increase dynamic lifting power it is excessive and control
It is unstable, easily cause limiter of speed or shift mechanism and damage, safety tongs or other brake apparatus can not normal work, exist higher
Security risk.
Therefore, asked for low speed observing and controlling, raising rate accuracy, response time, raising adjustable, reduction misoperation etc.
Topic, it is one of solution to problem to improve security of system by providing constant lifting power.
The content of the invention
In view of the above-mentioned problems of the prior art, the invention provides a kind of deflecting constant force limiter of speed, which solving mesh
Preceding low speed hypervelocity measurement is difficult, response time long hysteresis quality is big, surely the property controlled is poor for lifting power, difficult, the speed debugging inconvenience that automatically resets,
The realistic problem such as misoperation risk is big.
Rotary motion is converted into axial movement by mechanism of the present invention using centrifugal weight and connecting rod by steel ball, can be reduced
The influence of vibration, make hypervelocity trigger adjustment it is spacing it is more convenient realize, its centrifugal force is amplified by connecting rod after again by angle
The secondary amplification in V-type face, solve low speed hypervelocity speed limit the problem of, improved using axial displacement catching mode triggering response when
Between, constant lifting power is solved by using laser treatment technique and structure design or using clamped wire mode, so as to realize
High low speed control is stable, continuity is triggered, constant force formula is lifted and automatically reset function.
The present invention is adopted the following technical scheme that：A kind of deflecting constant force limiter of speed, including base and be perpendicularly fixed at base it
Upper and the first parallel side plate, the second side plate, the first side plate and the second side sheet room assembling sheave shaft, sheave shaft pass through one respectively
Bearing fit is in the first side plate, the second side plate, and sheave shaft is rotatably assorted rope sheave by second bearing, and rope sheave bypasses steel wire rope；Rope
Wheel is hinged provided with centrifugation connecting rod enlarger, centrifugation connecting rod enlarger with a deflecting enlarger, and deflecting enlarger turns
It is assemblied in sheave shaft dynamic formula；Deflecting enlarger interlocks an adjustment mechanism, and adjustment mechanism can be moved axially along sheave shaft, adjusts
The upper end of a trigger mechanism is contacted under two lugs of mechanism, the lower end of trigger mechanism is hinged clamping device, clamping device action
After can clamp rope sheave or steel wire rope.
It is preferred that, centrifugation connecting rod enlarger includes symmetrically arranged two groups of structures, and every group of structure includes：Centrifugal-block connects
Bar, adjusting screw, centrifugal-block, connecting rod, the middle part of centrifugal-block connecting rod are pivotally installed on rope sheave, one end hinge of centrifugal-block connecting rod
Centrifugal-block is connected to, the other end of centrifugal-block connecting rod is articulated with connecting rod, and the other end of connecting rod is articulated with described deflecting enlarger.
It is preferred that, deflecting enlarger includes steel ball, steel ball rack, connecting rod, V shaped wheel, and many steel balls are along the circumferential direction uniform
Ground is installed on steel ball rack, and steel ball rack is pivotally assemblied in sheave shaft, and two symmetrical places of steel ball rack are cut with scissors with described connecting rod respectively
Connect；V shaped wheel is pivotally assemblied in sheave shaft and can be along sheave shaft axial translation；The side end face of V shaped wheel one forms relative with steel ball
The V-groove answered, the part that steel ball is in steel ball rack side sinks into the V-groove of V shaped wheel and contacted.
It is preferred that, adjustment mechanism includes adjustment spring base, triggering disk, adjustment spring seat bearing, adjusting nut, adjustment bullet
Spring, adjustment spring base is fixed on the second side plate and is rotatably assorted by adjusting spring seat bearing with sheave shaft, and adjusting nut passes through
It is threadedly coupled to adjustment spring base；Spring overcoat is adjusted in sheave shaft, two ends peak at adjusting nut, triggering disk respectively, trigger disk
It is fixed on the lateral surface of steel ball rack and is rotatably assorted with sheave shaft, the two opposite sides of triggering disk is respectively provided with the lug described in one.
It is preferred that, trigger mechanism includes electrical equipment triggering part, and electrical equipment triggering part includes electrical equipment touch panel, electric switch and installed
Installed on plate, electric switch, triggering disk and electric switch installing plate, electric switch installing plate are installed on electrical equipment touch panel, the second side plate
Electric switch is installed, electric switch is adapted and acted with electrical equipment touch panel, when reaching electrical equipment responsiveness, by triggering disk
Movement drive the movement of electrical equipment touch panel and trigger electric switch.
It is preferred that, triggering disk is fixedly connected with a hand lever.
It is preferred that, trigger mechanism includes mechanical triggering part, and mechanical triggering part includes triggering spring, locating part, guiding
Bar, leading truck, toggle, trigger confined planes of the two lug lower surfaces of disk respectively with locating part homonymy upper end and contact, locating part is with leading
It is fixedly connected to bar, guide rod overcoat triggering spring, leading truck is fixed on the second side plate, and guide rod is vertically movably passed through and led
To the holes up and down of frame, lower end and the toggle of locating part are hinged, and toggle is hinged with described clamping device；Trigger above and below spring
Two ends are peaked under the middle part of locating part respectively, the upper surface of leading truck.
It is preferred that, clamping device includes two groups of symmetrical structures, and every group of structure includes stops, stops backing plate, stops axle
Support, stops axle, stops spring, stops backing plate are fixedly installed in the upper surface of base, and outer end is fixedly connected with stops bracing strut, only
Stops axle is installed, the other end of stops axle slidably stretches into stops, and stops is slidably put on stops pad on block bracing strut
On plate；Stops outer shaft sleeve stops spring, the nut for the adjustment spring force that spun in stops axle outer end, the inside and outside two ends of stops spring
Stops, nut are peaked at respectively；Stops is rotated with described toggle and is connected；, will be only under stops spring effect when being triggered when exceeding the speed limit
Block pushes rope sheave to until being touched with the lower edge of rope sheave and locking rope sheave.
It is preferred that, clamping device includes two groups of symmetrical structures, every group of structure include swivel pin, long arm-tie, short arm-tie,
Curved arm-tie, brake(-holder) block, connecting plate, clamp bracket, the clamping axis of guide, clamp springs, the turned-out folding 90 in two sides of clamp bracket
Spend and on firm banking, the top of clamp bracket is parallel with base, steel wire rope movably passes through the top of clamp bracket；
Two brake(-holder) blocks are in clamp bracket and just in middle steel wire rope；The back side of brake(-holder) block is installed on connecting plate, connecting plate
The back side be fixedly connected with two parallel clamping axis of guides, clamping axis of guide dynamic formula is matched with the homonymy side of clamp bracket；
Each clamping is oriented to the clamp springs of outer shaft sleeve one, and the two ends of clamp springs peak at connection back, the side of clamp bracket respectively
Inwall；Connecting plate both sides in outwardly are respectively articulated with a short arm-tie, and the connecting plate both sides in inwardly are respectively articulated with a length and connect
Plate, curved arm-tie, long arm-tie, curved arm-tie are hinged with the short arm-tie of homonymy respectively, and long arm-tie, the other end of curved arm-tie pass through swivel pin
It is articulated with the lower end of the locating part.
It is preferred that, if a resetting-mechanism, including release link, fulcrum, lock screw are resetted, a reset is fixedly installed in locating part
Point, the reduction point is snug fit at the vertical guide groove of the second side plate, and reduction point is protruded from outside vertical guide groove；Release link it is upper
End is arcuate, directly over the vertical guide groove in the second side plate, the lower upright protuberance to reduction point；Release link passes through multiple
Be connected on the outer wall of the second side plate position fulcrum, and in another position by lock screw by release link and the second side
Plate is fixed.
The present invention solves the problem of existing limiter of speed is present by deflecting constant force limiter of speed, the advantage is that high low speed triggering
Response time is fast, centrifuge force amplification effect substantially, and overspeed detection control is stable, can produce relative constancy lifting power.Its by from
The difficult problem of implementation of solution low speed is superimposed with turning to enlarger after mental and physical efforts amplification, by the continuous trigger of axial displacement, is solved
The problem of response time is long, relative constancy lifting power is solved using friction between additional clamping device or steel wire rope and stable rope sheave
Problem.The performance of limiter of speed is improved in terms of velocity measuring, response time, the stable and constant lifting power of control, is preferably solved
The inaccessiable effect of current limiter of speed institute, mechanism of the present invention have it is simple in construction, be quick on the draw, exceed the speed limit under high low velocity it is steady
The advantages of fixed controllable, easy for installation, constant force lifting reduces safety device system cost.
Brief description of the drawings
Fig. 1 is the integral outer structure chart of the embodiment of the present invention 1.
Fig. 2 is the cut-away view of the embodiment of the present invention 1.
Fig. 3 is the triggering state figure of the embodiment of the present invention 1.
Fig. 4 is the structure chart of the embodiment of the present invention 2 (clipping deflecting constant force limiter of speed).
In figure：1. base, 2. steel wire ropes, 3. anti-springboards, 4. first side plates, 5. rope sheaves, 6. electric switches, 7. electric switches
Installing plate, 8. second side plates, 9. adjustment spring bases, 10. release links, 11. reset fulcrums, 12. lock screws, 13. stops springs,
14., stops, 15. centrifugal-block connecting rods, 16. adjusting screws, 17. centrifugal-blocks, 18. backing plates, 19. steel balls, 20. steel ball racks, 21. connect
Bar, 22.V types wheel, 23. hand levers, 24. electrical equipment touch panels, 25. triggering disks, 26. adjustment spring seat bearings, 27. adjusting nuts, 28.
Sheave shaft, 29. adjustment springs, 30. triggering springs, 31. locating parts, 32. guide rods, 33. leading trucks, 34. toggles, 35. stops
Backing plate, 36. stops bracing struts, 37. stops axles.
Embodiment
The preferred embodiment of the present invention is elaborated below in conjunction with the accompanying drawings.
Embodiment 1
The present embodiment is cable pulley type deflecting constant force limiter of speed, and referring to Fig. 1-3, it includes：Bracket institution, centrifugation connecting rod amplification
Mechanism, deflecting enlarger, adjustment mechanism, trigger mechanism, rope sheave mechanism, clamping device, resetting-mechanism.
Bracket institution includes base 1, anti-springboard 3, the first side plate 4, second side plate 8 etc., forms the branch with support function
Frame.First side plate 4, the bottom of the second side plate 8 are folded over 90 degree, and the folding part is affixed on the upper surface of base 1, and is bolted, from
And the first side plate 4 and the second side plate 8 is vertically fixedly installed on base 1 and is formed frame structure, big second side plate is equal
Row and leave spacing.An anti-springboard 3 is respectively installed in the both sides of big second side plate, and anti-springboard 3 is concave, the two ends difference of anti-springboard 3
The first side plate 4, the second side plate 3 are secured by bolts in, to prevent steel wire rope 2 from departing from grooving.
Rope sheave mechanism includes steel wire rope 2, rope sheave 5, sheave shaft 28 etc., and the two ends of sheave shaft 28 (are hung down by a bearing respectively
Directly) be installed on the first side plate 4, the second side plate 8, rope sheave 5 is installed on sheave shaft 28 by bearing, sheave shaft 28 be in biside plate it
Between.The rope sheave groove that steel wire rope 2 bypasses rope sheave 5 can be slided, and steel wire rope 2 bypasses both sides after rope sheave 5 and extended downwardly, and movably wears
Cross base 1.Rope sheave rooved face obtains relatively stable coefficient of friction by laser treatment.When rope sheave groove uses clamping device, steel wire
Rope and rope sheave locate state free to rotate all the time, and lifting power is produced by clamping device.
Centrifuging connecting rod enlarger includes two groups of symmetrical structures, and every group of structure includes：Centrifugal-block connecting rod 15, adjusting screw
16th, centrifugal-block 17, connecting rod 21 etc., the middle part of centrifugal-block connecting rod 15 are installed on rope sheave 5, and it can be around the fulcrum for connecting rope sheave
And rotate.One end of centrifugal-block connecting rod 15 is articulated with centrifugal-block 17, the adjusting screw that spun on centrifugal-block 17 16；Centrifugal-block connecting rod
15 other end is articulated with connecting rod 21, and the other end of connecting rod 21 is articulated with steel ball rack 20.Produced when centrifugal-block 17 exceeds the speed limit
Centrifugal force is imposed in steel ball rack 20 by the amplification of centrifugal-block connecting rod 15 and connecting rod 21, rotates steel ball rack 20, realize from
Mental and physical efforts one-level amplification.
Deflecting enlarger includes backing plate 18, steel ball 19, steel ball rack 20, connecting rod 21, V shaped wheel 22, and many steel balls 19 are along circle
Circumferential direction, which is evenly mounted in steel ball rack 20, forms steel ball rotary table, and steel ball rack 20 is pivotally assemblied in sheave shaft 28, steel ball
The symmetrical place of the two of frame 20 is hinged by axle with a connecting rod 21 respectively.V shaped wheel 22 is pivotally assemblied in sheave shaft 28, V shaped wheel 22
Can along sheave shaft 28 axial translation.V shaped wheel 22 forms multiple V-grooves, the number and steel ball of V-groove towards the side end face of steel ball 19 1
19 is corresponding, and the part that steel ball 19 is in the side of steel ball rack 20 sinks into the V-groove of V shaped wheel 22 and contacted.It is another in steel ball rack 20
Backing plate 18 is installed, backing plate 18 is in contact with the opposite side of steel ball 19 on the sheave shaft of side.When connecting rod 21 drives steel ball rack 20
During rotation, by the V-groove of V shaped wheel 22 it is secondary by centrifugal force amplify and by rotate conversion be axially moved.In addition, by adjusting V
The V-groove adjustable angle response time of type wheel.When reaching hypervelocity condition, the centrifugal action of conversion is rotated by centrifugal-block
V shaped wheel is pushed out in steel ball after the V-groove amplification of V shaped wheel in axial direction to move, so that the displacement of rotation be changed into
Axial displacement.
Adjustment mechanism includes adjustment spring base 9, triggering disk 25, adjustment spring seat bearing 26, adjusting nut 27, adjustment spring
29, adjustment spring base 9 is fixed on the lateral surface of the second side plate 8, is rotatably assorted by adjusting spring seat bearing 26 with sheave shaft 28,
Adjusting nut 27 is threadedly attached on adjustment spring base 9, for adjusting pre-pressure of the spring.Adjustment spring 29 is coated at rope sheave
Axle 28, its one end peaks at adjusting nut 27, and the other end peaks at triggering disk 25, and triggering disk 25 is coated at sheave shaft 28, and triggering disk
25 are fixed on the lateral surface of steel ball rack 20.Triggering the two opposite sides of disk 25 respectively has a triggering lug 25-1.By adjusting spiral shell
Mother 27 adjusts spring 29 to compress, and spring is produced axially different thrust to triggering disk by adjusting adjusting nut, reaches adjustment
Different centrifugal force, realizes hypervelocity speed adjustment.
Trigger mechanism is determined by the compression spring bar that is triggered with triggering lock, and triggering rod lock is when being released, compression spring
Break dead point locking and realize triggering.Trigger mechanism includes two parts, and one is electrical equipment triggering, and two be mechanism triggering.Trigger mechanism bag
Include triggering disk 25, electrical equipment touch panel 24, triggering spring 30, locating part 31, guide rod 32, leading truck 33, toggle 34, hand lever 23
Deng triggering disk 25 is installed on V shaped wheel 22 by bearing, is provided with electrical equipment touch panel 24, the second side plate 8 and being provided with triggering disk 25
Electric switch installing plate 7, electric switch installing plate 7 is provided with electric switch 6, electric switch 6 be adapted with electrical equipment touch panel 24 and
Action, when reaching electrical equipment responsiveness, drives the movement of electrical equipment touch panel 24 by triggering the movement of disk and triggers electrical equipment and open
Close 6.Confined planes of the two triggering lug lower surfaces of triggering disk 25 respectively with the homonymy upper end of locating part 31 are contacted, and locating part 31 is with being oriented to
Bar 32 is fixedly connected, and is cased with triggering spring 30 on guide rod 32, leading truck 33 is fixed on the inner wall lower of the second side plate 8, led
The holes up and down of leading truck 33 is vertically movably passed through to bar 32, so that it can move up and down on leading truck 33, limit
The lower end of position part 31 is hinged with toggle 34.The upper and lower ends of triggering spring 30 are peaked under the middle part of locating part 31, are oriented to respectively
The upper surface of frame 33.When in a locked condition, two confined planes of the upper end of locating part 31 lock locating part 31 by position
Motion, to keep poised state, triggering spring 30 is compressed, and toggle 34 is in horizontality formation dead point locking clamping device.
Hand lever 23 is connected with triggering disk 25, for triggering limiter of speed action manually.When occurring when exceeding the speed limit, steel ball rack drives steel ball to turn
Dynamic, steel ball promotes the V-groove of V shaped wheel, and V shaped wheel is outwards translated under the top pressure effect of steel ball, drives triggering disk also outwards to translate,
Until two lugs of triggering disk lose contacting for locating part, locating part is lost after the pressure on top surface of top, under the force of a spring
Motion upwards, locating part loses the support to clamping device, so as to trigger clamping device, produces the lifting power of relative constancy.
When running well, after the centrifugal force that centrifugal-block is produced is amplified by connecting rod superposition deflecting enlarger produce from
Mental power function is in adjustment spring holding balance, and centrifugal force, which is superimposed two grades of centrifugal force amplified, when occurring when exceeding the speed limit, after amplification makes bullet
Spring force disequilibrium, makes triggering disk be moved triggering clamping device in axle.
Trigger mechanism can also realize triggering by modes such as air-liquid and magnetic.
Resetting-mechanism includes release link 10, resets fulcrum 11, lock screw 12, and locating part 31 fixes a reduction point 31-1,
Reduction point 31-1 is snug fit at the vertical guide groove 8-1 of the second side plate 8, and reduction point 31-1 protrude from vertical guide groove 8-1 it
Outside.The upper end of release link 10 is arcuate, and it is in vertical guide groove 8-1 surface, below just to reduction point 31-1's
Protuberance.Release link 10 is rotatably connected on the outer wall of the second side plate 8 by resetting fulcrum 11, and logical in another position
Lock screw 12 is crossed to fix release link 10 with the second side plate 8.When needing to reset operation, lock screw 12 is backed out, is used downwards
Power stirs release link 10, makes its downward top pressure reduction point 31-1 protuberance, so that drive whole locating part 31 to move downward, it is real
Existing clamping device resets.
Resetting-mechanism can also be automatically reset by motor, electromagnetic mechanism etc. to realize.
Clamping device includes two groups of symmetrical structures, and every group of structure includes stops 14, stops backing plate 35, stops bracing strut
36th, stops axle 37, stops spring 13, stops backing plate 35 are fixedly installed in the upper surface of base 1, and its outer end is fixedly connected with stops axle
Stops axle 37 is installed, the other end of stops axle 37 stretches into stops 14 and sliding between stops 14 on support 36, stops bracing strut 36
Dynamic to coordinate, stops 14 is slidably put on stops backing plate 35.The overcoat stops spring 13 of stops axle 37, spins adjustable in outer end
The nut of whole spring force, the inside and outside two ends of stops spring 13 peak at stops 14, nut respectively.Stops 14 rotatably connects with toggle 34
Connect.When in running order, toggle 34 is in horizontality, and stops spring 13 is compressed, at the toggle 34 of left and right two
In horizontality formation deadlock.When being triggered when exceeding the speed limit, the horizontal equilibrium of toggle 34 is broken, will be only under the active force of stops spring 13
Block 14 pushes rope sheave 5 (until being touched with the lower edge of rope sheave 5) to, the rotation of rope sheave 5 is locked under self-locking action, so as to pass through rope
Produced between wheel and steel wire and stablize lifting power relatively.Stops 14 contacts with rope sheave 5 and can be with lozenges, arc surface or reticulate patterned surface.
Above-mentioned prevention rope sheave rotates and can also set up the mechanisms such as ratchet, cam, connecting rod to realize, rope sheave contact surface uses laser transformation skill
Art realizes metastable friction.
Clamping device can make rope sheave produce friction with steel wire rope by stops clamping device, can also pass through independent folder
Hold mechanism to realize, independent clamped wire rope mechanism can be one side, two-sided clamping device or wedge-shaped clamping device etc..
When occurring when exceeding the speed limit, the centrifugal force that centrifugal-block 17 is produced is acted on after the amplification by centrifuging connecting rod 15 and connecting rod 21
Steel ball rack 20, makes steel ball rack 20 rotate, and is rotated by steel ball 19 and promotes V shaped wheel to be axially moved, and is triggered on V shaped wheel
The also synchronous axial movement of disk 25, realizes and rotates deflecting to be axially moved.When speed reaches 6 responsiveness of electric switch, with touching
The electric switch 6 that the connected triggering of electrical equipment touch panel 24 of quotation 25 is fixed by installing plate 7；When reaching mechanical action speed, lead to
The triggering locating part 31 of triggering disk 25 is crossed, in the presence of triggering spring 30, locating part 31 is lifted upwards, destroy the flat of toggle 34
Weighing apparatus, makes the rope sheave or triggering clamping device that stops braking is rotated, so as to obtain lifting power by the active force of stops spring 13.
Embodiment 2
The present embodiment is clipping deflecting constant force limiter of speed, and the clamping device of the present embodiment is different from embodiment 1.Referring to figure
4, clamping device has two groups, is respectively used to clamp the steel wire rope of both sides.Single group clamping device includes swivel pin 07-7, long arm-tie
07-9, short arm-tie 07-8, curved arm-tie 07-6, brake(-holder) block 07-5, connecting plate 07-4, clamp bracket 07-1, clamping axis of guide 07-2,
On clamp springs 07-3 etc., clamp bracket 07-1 turned-out 90 degree of the folding in two sides and firm banking 1, clamp bracket 07-1's
Top is parallel with base 1, and steel wire rope movably passes through the top, and two sides of clamp bracket are perpendicular to base 1.In steel wire
Restricting, both sides are relative to be located provided with brake(-holder) block 07-5, two brake(-holder) block 07-5 just in middle steel wire rope.The brake(-holder) block 07-5 back side
Install on connecting plate 07-4.The connecting plate 07-4 back side is fixedly connected with two parallel clamping axis of guide 07-2, and clamping is oriented to
Axle 07-2 slidingtypes are matched with clamp bracket 07-1 side.Each clamp springs 07-3 of clamping axis of guide 07-2 overcoats one, folder
The two ends for holding spring 07-3 peak at the connecting plate 07-4 back sides, clamp bracket 07-1 side inside wall respectively.In connection outwardly
Plate 07-4 both sides are respectively articulated with a short arm-tie 07-8, the connecting plate 07-4 both sides in inwardly be respectively articulated with a long fishplate bar 07-9,
Curved arm-tie 07-6, long arm-tie 07-9, curved arm-tie 07-6 are hinged with the short arm-tie 07-8 of homonymy respectively, long arm-tie 07-9, curved arm-tie
The 07-6 other end is articulated with the lower end of locating part 31 by swivel pin 07-7.In working condition, long arm-tie 07-9, short arm-tie
07-8, curved arm-tie 07-6, which are in, is horizontally formed dead point locking, is cut with scissors by swivel pin 07-7 with clamping the locating part 31 of trigger mechanism
Connect and fix holding horizontal lock.When occurring hypervelocity triggering, dead point balance is broken in the effect of clamping trigger mechanism spring force,
Locating part 31 is moved upwards, in the presence of clamp springs 07-3, is promoted connecting plate 07-4, is made brake(-holder) block 07-5 clamped wire ropes
Produce lifting power.
Above-mentioned clamping device can also realize clamping by modes such as voussoir, safety tongs.
When occurring when exceeding the speed limit, the centrifugal force that centrifugal-block 17 is produced after centrifuging connecting rod 15 and the amplification of connecting rod 21 by acting on steel
Ball-collecting rack 20, makes steel ball rack 20 rotate, and is rotated by steel ball 19 and promotes V shaped wheel to be axially moved, disk is triggered on V shaped wheel
25 also synchronous axial movements, when speed reaches 6 responsiveness of electric switch, the electrical equipment touch panel 24 being connected with triggering disk 25 is triggered
The electric switch 6 fixed by installing plate 7, when reaching mechanical action speed, locating part 31 is triggered by triggering disk 25, is being touched
Send out in the presence of spring 30, locating part 31 is lifted upwards, destroy the balance of toggle 34, make to stop by the active force of stops spring 13
Rope sheave or triggering clamping device that block braking is rotated, so as to obtain lifting power.
During reset, reset is realized by artificial or mechanism, electrical equipment mode.
The other contents of the present embodiment refer to embodiment 1.
Deflecting constant force limiter of speed of the present invention amplifies superposition to solve the problems, such as low speed controlled stability by centrifugal force, its deflecting
Enlarger adjustment easy to adjust, realizes that continuous trigger improves the response time, is solved using rope sheave friction or clamping device constant
Power is lifted, so that the high low speed of speed limiter system can accurately measure, trigger that the stably and controllable, response time is fast, vibration effect is small, adjusting
Examination is convenient, carry tensions constant, improves the security of interlinked mechanism and brake apparatus after limiter of speed triggering, reduces interlinked mechanism
And the cost of safety device.
Claims (10)
1. a kind of deflecting constant force limiter of speed, it is characterized in that including base (1) and being perpendicularly fixed on base (1) and parallel
First side plate, the second side plate, the first side plate and the second side sheet room assembling sheave shaft (28), sheave shaft (28) pass through a bearing respectively
It is matched with the first side plate, the second side plate, sheave shaft (28) is rotatably assorted rope sheave (5) by second bearing, rope sheave (5) bypasses steel wire
Restrict (2)；Rope sheave (5) is hinged provided with centrifugation connecting rod enlarger, centrifugation connecting rod enlarger with a deflecting enlarger, deflecting
Enlarger is pivotally assemblied in sheave shaft (28)；Deflecting enlarger interlocks an adjustment mechanism, and adjustment mechanism can be along rope sheave
Axle (28) is moved axially, and the upper end of a trigger mechanism, the lower end toggle clamp of trigger mechanism are contacted under two lugs of adjustment mechanism
Mechanism is held, rope sheave or steel wire rope can be clamped after clamping device action.
2. deflecting constant force limiter of speed as claimed in claim 1, it is characterized in that：Connecting rod enlarger is centrifuged including symmetrically arranged
Two groups of structures, every group of structure includes：Centrifugal-block connecting rod (15), adjusting screw (16), centrifugal-block (17), connecting rod (21), centrifugal-block
The middle part of connecting rod (15) is pivotally installed on rope sheave (5), and one end of centrifugal-block connecting rod (15) is articulated with centrifugal-block (17), centrifugation
The other end of block connecting rod (15) is articulated with connecting rod (21), and the other end of connecting rod (21) is articulated with described deflecting enlarger.
3. deflecting constant force limiter of speed as claimed in claim 2, it is characterized in that：Deflecting enlarger includes steel ball (19), steel ball
Frame (20), connecting rod (21), V shaped wheel (22), many steel balls (19) are along the circumferential direction evenly mounted on steel ball rack (20), steel ball rack
(20) sheave shaft (28) is pivotally assemblied in, two symmetrical places of steel ball rack (20) are hinged with described connecting rod (21) respectively；V-type
Wheel (22) is pivotally assemblied in sheave shaft (28) and can be along sheave shaft (28) axial translation；The side end face of V shaped wheel (22) one is formed
The V-groove corresponding with steel ball (19), part of the steel ball (19) in steel ball rack (20) side sinks into the V-groove of V shaped wheel (22)
And contact.
4. deflecting constant force limiter of speed as claimed in claim 3, it is characterized in that：Adjustment mechanism includes adjustment spring base (9), triggering
Disk (25), adjustment spring seat bearing (26), adjusting nut (27), adjustment spring (29), adjustment spring base (9) are fixed on the second side
Plate is simultaneously rotatably assorted by adjusting spring seat bearing (26) with sheave shaft (28), and adjusting nut (27) is threadedly attached to adjustment
Spring base (9)；Adjustment spring (29) is coated at sheave shaft (28), and two ends peak at adjusting nut (27), triggering disk (25), touched respectively
Quotation (25) is fixed on the lateral surface of steel ball rack (20) and is rotatably assorted with sheave shaft (28), and the two opposite sides of triggering disk (25) are each
Provided with the lug (25-1) described in one.
5. deflecting constant force limiter of speed as claimed in claim 4, it is characterized in that：Trigger mechanism includes electrical equipment triggering part, electrical equipment
Triggering part includes installation electrical equipment on electrical equipment touch panel (24), electric switch installing plate (7), electric switch (6), triggering disk (25) and touched
Electric switch installing plate (7) is installed, electric switch installing plate (7) is provided with electric switch (6) on plate (24), the second side plate, electricity
Device switch (6) is adapted and acted with electrical equipment touch panel (24), when reaching electrical equipment responsiveness, by triggering the movement of disk come band
The movement of dynamic electrical equipment touch panel (24) simultaneously triggers electric switch (6).
6. deflecting constant force limiter of speed as claimed in claim 4, it is characterized in that：Trigger disk (25) and the fixed company of a hand lever (23)
Connect.
7. the deflecting constant force limiter of speed as described in claim any one of 4-6, it is characterized in that：Trigger mechanism includes mechanical trigger unit
Point, mechanical triggering part includes triggering spring (30), locating part (31), guide rod (32), leading truck (33), toggle (34), touches
Confined planes of the two lug lower surfaces of quotation (25) respectively with locating part (31) homonymy upper end are contacted, locating part (31) and guide rod
(32) it is fixedly connected, guide rod (32) overcoat triggering spring (30), leading truck (33) is fixed on the second side plate, guide rod (32) is erected
To the holes up and down for movably passing through leading truck (33), the lower end of locating part (31) is hinged with toggle (34), toggle (34) with
Described clamping device is hinged；The upper and lower ends of triggering spring (30) are peaked under the middle part of locating part (31) respectively, leading truck
(33) upper surface.
8. deflecting constant force limiter of speed as claimed in claim 7, it is characterized in that：Clamping device includes two groups of symmetrical structures,
Every group of structure includes stops (14), stops backing plate (35), stops bracing strut (36), stops axle (37), stops spring (13), stops
Backing plate (35) is fixedly installed in the upper surface of base (1), and outer end is fixedly connected on stops bracing strut (36), stops bracing strut (36)
Stops axle (37) is installed, the other end of stops axle (37) slidably stretches into stops (14), and stops (14) is slidably put on
On stops backing plate (35)；Stops axle (37) overcoat stops spring (13), spins in stops axle (37) outer end and adjusts spring force
Nut, the inside and outside two ends of stops spring (13) peak at stops (14), nut respectively；Stops (14) is rotated with described toggle (34)
Connection；When exceed the speed limit triggering when, stops spring (13) effect under by stops (14) push to rope sheave (5) until with rope sheave (5)
Edge touches and locks rope sheave (5).
9. deflecting constant force limiter of speed as claimed in claim 7, it is characterized in that：Clamping device includes two groups of symmetrical structures,
Every group of structure include swivel pin (07-7), long arm-tie (07-9), short arm-tie (07-8), curved arm-tie (07-6), brake(-holder) block (07-5),
Connecting plate (07-4), clamp bracket (07-1), the clamping axis of guide (07-2), clamp springs (07-3), clamp bracket (07-1)
On turned-out 90 degree of the folding in two sides and firm banking (1), the top of clamp bracket (07-1) is parallel with base (1), steel wire
Rope movably passes through the top of clamp bracket (07-1)；Two brake(-holder) blocks (07-5) are in clamp bracket (07-1) and just to place
In middle steel wire rope；The back side of brake(-holder) block (07-5) is installed on connecting plate (07-4), and the back side of connecting plate (07-4), which is fixed, to be connected
Two parallel clamping axis of guides (07-2) are connect, the clamping axis of guide (07-2) slidingtype is matched with the same of clamp bracket (07-1)
Side side；Each clamping clamp springs (07-3) of the axis of guide (07-2) overcoat one, the two ends of clamp springs (07-3) are peaked at respectively
Connecting plate (07-4) back side, the side inside wall of clamp bracket (07-1)；Connecting plate (07-4) both sides in outwardly are respectively articulated with
One short arm-tie (07-8), connecting plate (07-4) both sides in inwardly are respectively articulated with a long fishplate bar (07-9), curved arm-tie (07-6),
Long arm-tie (07-9), curved arm-tie (07-6) are hinged with the short arm-tie (07-8) of homonymy respectively, long arm-tie (07-9), curved arm-tie (07-
6) the other end is articulated with the lower end of the locating part (31) by swivel pin (07-7).
10. deflecting constant force limiter of speed as claimed in claim 7, it is characterized in that：If a resetting-mechanism, including release link (10),
Fulcrum (11), lock screw (12) are resetted, a reduction point (31-1) is fixedly installed in locating part (31), the reduction point (31-1) is slided
The vertical guide groove (8-1) of the second side plate is matched with, and reduction point (31-1) is protruded from outside vertical guide groove (8-1)；Release link
(10) upper end is arcuate, directly over the vertical guide groove (8-1) in the second side plate, and lower Founder is to reduction point (31-1)
Protuberance；Release link (10) is rotationally connected with the outer wall of the second side plate (8) by resetting fulcrum (11), and in another location
Release link (10) and the second side plate are fixed by lock screw (12) by place.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510652578.XA CN105173959B (en) | 2015-10-10 | 2015-10-10 | A kind of deflecting constant force limiter of speed |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510652578.XA CN105173959B (en) | 2015-10-10 | 2015-10-10 | A kind of deflecting constant force limiter of speed |
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| Publication Number | Publication Date |
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| CN105173959A CN105173959A (en) | 2015-12-23 |
| CN105173959B true CN105173959B (en) | 2017-10-10 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105487563B (en) * | 2016-01-07 | 2018-04-20 | 四川大学 | A kind of adjustable constant force mechanisms |
| CN106904505B (en) * | 2017-03-30 | 2023-04-11 | 中山南区电梯工程研究院有限公司 | Bidirectional speed limiter for elevator |
| CN110271936B (en) * | 2018-03-15 | 2023-08-11 | 杭州沪宁电梯部件股份有限公司 | Remote triggering reset mechanism of speed limiter |
| CN108726312B (en) * | 2018-08-22 | 2023-10-03 | 河南理工大学 | Electromagnetic induction type elevator speed limiter |
| CN109431120B (en) * | 2018-10-29 | 2021-02-09 | 胡铭冬 | Article placing shelf |
| CN110217665B (en) * | 2019-07-09 | 2024-04-02 | 象山昌升机械配件有限公司 | Link mechanism |
| CN113387249B (en) * | 2020-03-11 | 2022-11-08 | 日立电梯(上海)有限公司 | Steel wire rope locking device |
| CN112025755B (en) * | 2020-10-14 | 2024-06-18 | 哈工大机器人（合肥）国际创新研究院 | Constant force execution device |
| CN115285861B (en) * | 2022-09-28 | 2023-11-24 | 博顿液压股份有限公司 | Hydraulic protection device for crane |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2006038300A1 (en) * | 2004-10-07 | 2008-05-15 | 三菱電機株式会社 | Elevator equipment |
| CN101088897A (en) * | 2007-07-10 | 2007-12-19 | 宁波申菱电梯配件有限公司 | Novel elevator speed limiter |
| JP5428640B2 (en) * | 2009-08-19 | 2014-02-26 | フジテック株式会社 | Elevator governor |
| JP2012006707A (en) * | 2010-06-24 | 2012-01-12 | Mitsubishi Electric Corp | Elevator device |
| WO2012086026A1 (en) * | 2010-12-22 | 2012-06-28 | 三菱電機株式会社 | Speed governing device of elevator |
| CN104192670B (en) * | 2014-07-29 | 2016-10-12 | 河北东方富达机械有限公司 | Speed limiter of high-speed lift |
| CN205061227U (en) * | 2015-10-10 | 2016-03-02 | 杭州沪宁电梯部件股份有限公司 | Diversion constant force overspeed governor |
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| CN105173959A (en) | 2015-12-23 |
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Address after: Yuhang Thailand Street Tower Village in Hangzhou City, Zhejiang province 311121 Applicant after: HANGZHOU HUNING ELEVATOR PARTS CO., LTD. Address before: 311121 Zhongtai Industrial Park, water tower village, Zhongtai Township, Yuhang District, Hangzhou, Zhejiang Applicant before: Hangzhou Huning Elevator Fitting Co., Ltd. |
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