CN106629299A - Centrifugal block throwing type speed governor - Google Patents
Centrifugal block throwing type speed governor Download PDFInfo
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- CN106629299A CN106629299A CN201611205548.5A CN201611205548A CN106629299A CN 106629299 A CN106629299 A CN 106629299A CN 201611205548 A CN201611205548 A CN 201611205548A CN 106629299 A CN106629299 A CN 106629299A
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- rope
- block
- bearing structure
- ratchet
- rid
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
- B66B5/044—Mechanical overspeed governors
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- Mechanical Engineering (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention discloses a centrifugal block throwing type speed governor comprising a support, a rope wheel, a ratchet wheel, a rope pressing and board striking assembly, a limiting switch, a first block throwing part, a second block throwing part, a block throwing connection rod and an adjustment screw. The rope wheel and the ratchet wheel are erected on the support through a rope wheel axle. The first block throwing part is installed on the rope wheel through a third bearing structure and is provided with a square-head screw facing a rim of the rope wheel. The second block throwing part is installed on the rope wheel through a fourth bearing structure and is provided with an elastic part facing the middle portion of the rope wheel. The two ends of the block throwing connection rod are correspondingly connected with the first block throwing part and the second block throwing part. The upper end of the adjustment screw is connected with a first connection plate. The lower end of the adjustment screw penetrates a through hole in a rope wheel connection table. The adjustment screw is sleeved with an adjustment spring. The centrifugal block throwing type speed governor has the beneficial effects of being simple in structure, low in cost, easy to implement and high in practicability, the problem that the centrifugal block throwing type speed governor makes abnormal sounds in the operation process of an elevator can be effectively solved, and the elevator taking comfort is improved.
Description
Technical field
The present invention relates to a kind of elevator governor, more particularly, to a kind of centrifugal flail-block type limiter of speed.
Background technology
In recent years its structure and technology are comparatively fast developed speed limiter for elevator device, at present using more limiter of speed
Predominantly pendulum limiter of speed and centrifugal governor, especially centrifugal flail-block type limiter of speed is most widely used, and it is electricity
The safe and stable operation of ladder plays important guaranteeing role.Existing centrifugal flail-block type limiter of speed mainly by support, rope sheave,
Ratchet, ratchet, paw, two get rid of block part, get rid of block connecting rod, adjusting screw rod, pressure rope and re-pack the parts groups such as component and limit switch
Into.Centrifugal flail-block type limiter of speed be the principle increased with rotation speed change using rotary centrifugal force come execution, work as limit
When fast device rope sheave is rotated, because the effect of centrifugal force causes two therein to get rid of trend of the block generation away from the centre of gyration, once
When exceeding the speed limit to limit value, get rid of block triggering hypervelocity limit switch, make then paw, ratchet, ratchet and pressure rope re-pack component produce peace
Full pincers action, makes rope guarding plate that pressure rope re-packs in component and rope sheave clamp steel wire rope, to avoid elevator from hindering what is rapidly run for some reason
Phenomenon, so as to ensure that security.Although existing centrifugal flail-block type limiter of speed can meet the safe operation requirement of elevator, its
Also there is storage needs where perfect and raising more, and e.g., existing centrifugal flail-block type limiter of speed has in actual use one
Determine the abnormal sound of degree, have impact on the comfortableness for holding ladder, especially more highlight in night hoistway noise, be often subject to passenger or industry
Main quality is complained.
The content of the invention
It is an object of the invention to provide a kind of centrifugal flail-block type limiter of speed, there is simple structure, with low cost, enforcement to hold for it
Easily, practical advantage, can effectively solving centrifugal flail-block type limiter of speed the problem of abnormal sound is produced in running process of elevator, carry
The high comfortableness for holding ladder.
Abnormal sound is easily produced to solve centrifugal flail-block type limiter of speed present in prior art, asking for terraced comfortableness is held in impact
Topic, the present invention provide a kind of centrifugal flail-block type limiter of speed, including support, rope sheave, ratchet, pressure rope re-pack component, limit switch,
First gets rid of block part, second gets rid of block part, gets rid of block connecting rod and adjusting screw rod, and the rope sheave and ratchet are coaxially disposed side by side and pass through
Sheave shaft is erected on support, and clutch shaft bearing structure is provided between rope sheave and sheave shaft, and second is provided between ratchet and sheave shaft
Bearing arrangement, rope sheave is provided with the pawl assembly and paw component coordinated with ratchet;The pressure rope re-packs component including pressure rope
Frame, rope guarding plate, the part that re-packs, connecting screw rod, compression spring and compression spring seat, limit switch is provided with feeler lever and probe, pressure rope
Support and limit switch are respectively arranged on support and the left and right sides of the correspondence in rope sheave, and middle part and the ratchet of the part that re-packs lead to
Cross riveting axle to be rotatably connected, spacing hole is offered on ratchet, support is provided with the gag lever post in the spacing hole for stretching into ratchet;Institute
State first and get rid of block part and get rid of head including the first connecting plate and first, the first connecting plate is arranged on rope sheave by 3rd bearing structure
On, first gets rid of the square head screw that rope sheave wheel rim is provided with head, and second gets rid of block part gets rid of head including the second connecting plate and second,
Second connecting plate is arranged on rope sheave by fourth bearing structure, and second gets rid of the elastic component being provided with head in the middle part of rope sheave, institute
The two ends correspondence for getting rid of block connecting rod is stated by 5th bearing structure and 6th bearing structure and the first connecting plate and the second connecting plate company
Connect, the upper end of the adjusting screw rod is connected by square cotter axle with the first connecting plate, the lower end of adjusting screw rod is through the company on rope sheave
The through hole that platform is opened up is connect, regulation spring is arranged with adjusting screw rod, adjust spring is respectively arranged at two ends with regulation spring base.
Further, a kind of centrifugal flail-block type limiter of speed of the invention, wherein, the elastic component is conical spring, is cut
The little head end of cone helical spring gets rid of head and is fixedly connected with second, and the stub end of conical spring is hanging.
Further, a kind of centrifugal flail-block type limiter of speed of the invention, wherein, the clutch shaft bearing structure and second bearing are tied
Structure is rolling bearing.
Further, a kind of centrifugal flail-block type limiter of speed of the invention, wherein, the 3rd bearing structure and fourth bearing are tied
Structure is needle bearing.
Further, a kind of centrifugal flail-block type limiter of speed of the invention, wherein, the 5th bearing structure and 6th bearing are tied
Structure is rolling bearing.
Further, a kind of centrifugal flail-block type limiter of speed of the invention, wherein, the regulation spring base adopts nylon material system
Make.
Further, a kind of centrifugal flail-block type limiter of speed of the invention, wherein, connected unit on the adjusting screw rod and rope sheave
The gap of 2~4mm is provided between through-hole wall.
A kind of centrifugal flail-block type limiter of speed of the present invention compared with prior art, with advantages below:The present invention is by arranging
Support, rope sheave, ratchet, pressure rope re-pack component, limit switch, first get rid of block part, second get rid of block part, get rid of block connecting rod and regulation
Screw rod, allows rope sheave and ratchet to be coaxially disposed side by side and be erected on support by sheave shaft, arranges between rope sheave and sheave shaft
Clutch shaft bearing structure, arranges second bearing structure between ratchet and sheave shaft, and the ratchet coordinated with ratchet is arranged on rope sheave
Component and paw component.Pressure rope re-packs component including pressure rope support, rope guarding plate, the part that re-packs, connecting screw rod, compression spring and pressure
Contracting spring base, limit switch is provided with feeler lever and probe, allows pressure rope support and limit switch to be respectively arranged on support and corresponding position
In the left and right sides of rope sheave.Allow re-pack middle part and the ratchet of part to be rotatably connected by riveting axle, open up spacing on ratchet
Hole, arranges the gag lever post in the spacing hole for stretching into ratchet on support.First is set to get rid of block part including the first connecting plate and first
Head is got rid of, allows the first connecting plate to be arranged on rope sheave by 3rd bearing structure, and got rid of first and arrange on head towards rope sheave wheel rim
Square head screw, make second to get rid of block part and get rid of head including the second connecting plate and second, allow the second connecting plate by fourth bearing tie
Structure is arranged on rope sheave, and gets rid of the elastic component that arranges on head towards in the middle part of rope sheave second.Meanwhile, allow the two ends pair for getting rid of block connecting rod
Should be connected with the first connecting plate and the second connecting plate by 5th bearing structure and 6th bearing structure, allow the upper end of adjusting screw rod
It is connected with the first connecting plate by square cotter axle, the through hole for allowing the lower end of adjusting screw rod to open up through the connected unit on rope sheave, and
Regulation spring is arranged on adjusting screw rod, at the two ends for adjusting spring regulation spring base is respectively provided with.By above structure setting just
Constitute a kind of simple structure, with low cost, the centrifugal flail-block type limiter of speed that enforcement is easy, practical.In actual applications,
The present invention, can the existing centrifugal flail-block type limit of effectively solving by getting rid of the elastic component arranged on block part towards in the middle part of rope sheave second
Fast device produces the problem of abnormal sound in running process of elevator, improves the comfortableness for holding ladder.Used as prioritization scheme, the present invention allows bullet
Property part adopts conical spring, and allows the little head end of conical spring and second to get rid of block part and be fixedly connected, and allows truncated cone spiral shell
The stub end of rotation spring is hanging.This architectural feature can not only be prevented effectively from first gets rid of block part and second and gets rid of block part in elevator
Hard collision is produced with rope sheave in running, and the service life of elastic component can be ensured, extend maintenance, replacement cycle, so as to
Reduce cost.
Below in conjunction with the accompanying drawings shown specific embodiment is made further in detail to a kind of centrifugal flail-block type limiter of speed of the invention
Explanation:
Description of the drawings
Fig. 1 is a kind of front view of centrifugal flail-block type limiter of speed of the invention;
Fig. 2 is a kind of southeast view stereo figure of centrifugal flail-block type limiter of speed of the invention;
Fig. 3 is a kind of rearview of centrifugal flail-block type limiter of speed of the invention;
Fig. 4 is a kind of northeast view stereo figure of centrifugal flail-block type limiter of speed of the invention;
Fig. 5 is that pressure rope re-packs the front view of component and limit switch in a kind of centrifugal flail-block type limiter of speed of the invention;
Fig. 6 is that pressure rope re-packs the southeast view stereo of component and limit switch in a kind of centrifugal flail-block type limiter of speed of the invention
Figure;
Fig. 7 is that pressure rope re-packs the northeast view stereo of component and limit switch in a kind of centrifugal flail-block type limiter of speed of the invention
Figure;
Fig. 8 is that a kind of centrifugal flail-block type limiter of speed of the invention removes support, pressure rope and re-packs after component and limit switch just
View;
Fig. 9 is that a kind of centrifugal flail-block type limiter of speed of the invention removes support, presses component and the east after limit switch of re-packing of restricting
Southern view stereo figure;
Figure 10 is that a kind of centrifugal flail-block type limiter of speed of the invention is removed after support, pressure rope re-pack after component and limit switch
View;
Figure 11 is that a kind of centrifugal flail-block type limiter of speed of the invention removes support, presses component and the east after limit switch of re-packing of restricting
Northern view stereo figure;
Figure 12 removes support, pressure rope and re-packs component, limit switch and ratchet for a kind of centrifugal flail-block type limiter of speed of the invention
Rearview afterwards;
Figure 13 removes support, pressure rope and re-packs component, limit switch and ratchet for a kind of centrifugal flail-block type limiter of speed of the invention
Northeast view stereo figure afterwards;
Figure 14 is the front view of rope sheave in a kind of centrifugal flail-block type limiter of speed of the invention;
Figure 15 is the southeast view stereo figure of rope sheave in a kind of centrifugal flail-block type limiter of speed of the invention;
Figure 16 is the rearview of rope sheave in a kind of centrifugal flail-block type limiter of speed of the invention;
Figure 17 is the northeast view stereo figure of rope sheave in a kind of centrifugal flail-block type limiter of speed of the invention;
Figure 18 is the first front view for getting rid of block part in a kind of centrifugal flail-block type limiter of speed of the invention;
Figure 19 is the first southeast view stereo figure for getting rid of block part in a kind of centrifugal flail-block type limiter of speed of the invention;
Figure 20 is the first rearview for getting rid of block part in a kind of centrifugal flail-block type limiter of speed of the invention;
Figure 21 is the first northeast view stereo figure for getting rid of block part in a kind of centrifugal flail-block type limiter of speed of the invention;
Figure 22 is the second front view for getting rid of block part in a kind of centrifugal flail-block type limiter of speed of the invention;
Figure 23 is the second southeast view stereo figure for getting rid of block part in a kind of centrifugal flail-block type limiter of speed of the invention;
Figure 24 is the second rearview for getting rid of block part in a kind of centrifugal flail-block type limiter of speed of the invention;
Figure 25 is the second northeast view stereo figure for getting rid of block part in a kind of centrifugal flail-block type limiter of speed of the invention.
Specific embodiment
A kind of specific embodiment of centrifugal flail-block type limiter of speed of the invention as shown in Fig. 1 to Figure 25, including support 1, rope
Wheel 2, ratchet 3, pressure rope re-pack component 4, limit switch 5, first get rid of block part 6, second get rid of block part 7, get rid of block connecting rod 8 and adjust
Screw rod 9.Rope sheave 2 and ratchet 3 is allowed to be coaxially disposed side by side and be erected on support 1 by sheave shaft 21, in rope sheave 2 and sheave shaft 21
Between clutch shaft bearing structure 22 is set, second bearing structure 31 is set between ratchet 3 and sheave shaft 21, arrange on rope sheave 2
The pawl assembly 32 coordinated with ratchet 3 and paw component 33.Pressure rope re-pack component 4 specifically include pressure rope support 41, rope guarding plate 42,
Re-pack part 43, connecting screw rod 44, compression spring 45 and compression spring seat 46, and limit switch 5 is provided with feeler lever 51 and probe 52.Allow
Pressure rope support 41 and limit switch 5 are respectively arranged on support 1 and the left and right sides of the correspondence in rope sheave 2, allow rope guarding plate 42 to lead to
Cross rope guarding plate bearing pin to be connected with the biside plate of pressure rope support 41, and make rope guarding plate 42 through the side for pressing the base plate of rope support 41 to open up
Hole is relative with rope sheave 2.Allow re-pack middle part and the ratchet 3 of part 43 to be rotatably connected by riveting axle 34, allow the phase of part 43 that re-packs
For one end of pressure rope support 41 is connected with one end of connecting screw rod 44, the other end of connecting screw rod 44 is allowed to pass through pressure rope support 41
Base plate on open up by hole, allow compression spring 45 to be set in connecting screw rod 44, and the company of being arranged on of compression spring seat 46
Connect the end of screw rod 44.Spacing hole 35 is opened up on ratchet 3, and be fixedly installed on support 1 stretch into it is spacing in spacing hole 35
Bar 36.First gets rid of block part 6 gets rid of 62 including the first connecting plate 61 and first, allows the first connecting plate 61 by 3rd bearing structure
63 are arranged on rope sheave 2, and get rid of the square head screw 64 that arranges on 62 towards the wheel rim of rope sheave 2 first.Second gets rid of block part 7 wraps
Include the second connecting plate 71 and second and get rid of 72, allow the second connecting plate 71 to be arranged on rope sheave 2 by fourth bearing structure 73, and
Second gets rid of the elastic component 74 arranged on 72 towards the middle part of rope sheave 2.Meanwhile, the two ends correspondence for getting rid of block connecting rod 8 is allowed by the 5th axle
Bearing structure 81 and 6th bearing structure 82 are connected with the first connecting plate 61 and the second connecting plate 71, allow the upper end of adjusting screw rod 9 to lead to
Cross square cotter axle 91 to be connected with the first connecting plate 61, allow adjusting screw rod 9 lower end through the connected unit 23 on rope sheave 2 open up it is logical
Hole, and regulation spring 92 is arranged on adjusting screw rod 9, regulation spring base 93 is respectively provided with the two ends for adjusting spring 92, upper
The upside of regulation spring base 93 at end arranges adjusting nut, allows the spring base 93 that adjusts of lower end to be located in the through hole of connected unit 23.
A kind of simple structure is just constituted by above structure setting, the centrifugal flail-block type that with low cost, enforcement is easy, practical is limited
Fast device.In actual applications, the present invention gets rid of the bullet arranged on 72 towards in the middle part of rope sheave by getting rid of the second of block part 7 second
Property part 74, can the existing centrifugal flail-block type limiter of speed of effectively solving the problem of abnormal sound is produced in running process of elevator, improve and hold
The comfortableness of ladder.
Used as prioritization scheme, this specific embodiment allows elastic component 74 to adopt conical spring, and allows truncated cone spiral bullet
The little head end of spring gets rid of 72 and is fixedly connected with second, makes the stub end of conical spring hanging.This architectural feature not only may be used
It is prevented effectively from first and gets rid of block part 6 and second and get rid of block part 7 and produce hard collision with rope sheave in running process of elevator, and can protects
The service life of card elastic component 74, extends maintenance, replacement cycle, so as to reduce cost.It should be noted that in the present invention
Elastic component 74 is not limited in using the version of conical spring, can also adopt elastic steel sheet, caoutchouc elasticity pad
Deng the abnormal sound tool for equally producing in running to centrifugal flail-block type limiter of speed has some improvement.
Used as specific embodiment, this specific embodiment allows clutch shaft bearing structure 22 and second bearing structure 31 using rolling
Moving axis bearing structure;3rd bearing structure 61 and fourth bearing structure 71 is allowed to adopt needle bearing structure;Allow 5th bearing structure 81
Rolling bearing is adopted with 6th bearing structure 82.This respective outer side edges can not only ensure the smooth harmony that rope sheave rotates, and
By the fit tolerance for controlling needle bearing, first can be prevented effectively from running get rid of block part 6 and second and get rid of block part 7 and go out
The phenomenon of existing deflection, it is ensured that the stability of operation;Meanwhile, by 5th bearing structure 81 and 6th bearing structure 82 and rolling
Bearing arrangement, can effectively strengthen in centrifugal flail-block type limiter of speed running first get rid of block part 6 and second get rid of block part 7 from
Heart stability.
Used as further prioritization scheme, this specific embodiment allows regulation spring base 93 to make using nylon material, and
The gap of 2~4mm is set on adjusting screw rod 9 and rope sheave 2 between the through-hole wall of connected unit 23.This structure setting not only facilitates dress
Match somebody with somebody, and can ensure to debug the operation stability after the completion of adjusting, further enhancing practicality.
For side and skilled artisan understands that the present invention, a kind of centrifugal flail-block type limiter of speed of the invention is respectively constituted below
Partial operation principle and process makees schematic illustration:
1st, sheave shaft 21 is arranged on through the second bearing structure 31 in the clutch shaft bearing structure 22 and ratchet 3 on rope sheave 2
On support 1, in normal course of operation, the rotation of rope sheave and its subsidiary parts is realized, and ratchet 3 is in spacing hole 35 and spacing
Bar 36 does not rotate under acting on.
2nd, first block part 6 is got rid of by 3rd bearing structure 63 on rope sheave 2, second gets rid of block part 7 by the 4th
Bearing arrangement 73 is arranged on rope sheave 2;First gets rid of block part 6 gets rid of block part 7 and is connected by getting rid of block connecting rod 8 with second, and even
Meet place and 5th bearing structure 81 and 6th bearing structure 82 are installed;Adjusting screw rod 9 through rope sheave 2 connected unit 23 on through hole with
First gets rid of threaded connection of the block part 6 by square cotter axle 91.After above-mentioned connection, when the operation of rope sheave 2 rotates, first gets rid of block
Part 6, second get rid of block part 7, get rid of block connecting rod 8 and the composition dynamic balancing of adjusting screw rod 9.
3rd, the re-pack middle part of part 43 is connected by the riveting axle 34 on ratchet 3 with ratchet 3, the other end with prop up through pressure rope
The connecting screw rod 44 of frame 41 connects, and compression spring 45 is arranged in connecting screw rod 44, and installs pressure in the end of connecting screw rod 44
Contracting spring base 46 and adjusting nut;Rope guarding plate 42 is connected by rope guarding plate bearing pin with the biside plate of pressure rope support 41, and makes pressure restrict
Plate 42 is relative with rope sheave 2 through the square hole that the base plate of pressure rope support 41 is opened up;Pressure rope support 41 is connected by bearing pin with support 1.
4th, due to centrifugal action in running, first gets rid of block part 6 and second gets rid of block portion to centrifugal flail-block type limiter of speed
Part 7 can be lifted, and when being lifted to certain altitude, first gets rid of the square head screw 64 on block part 6 can trigger limit switch 5 and complete electrically
Action, and provide power-off signal to whole terraced safety return circuit.If turning degree to continue to raise, first gets rid of block part 6 can trigger paw component
33, can depart from the locked mating surface of the ratchet in pawl assembly 32 after paw rotation, ratchet can in the presence of extension spring with ratchet 3
Engagement, ratchet 3 rotates and drives re-pack part 43 and pressure rope support 41, so that the rope guarding plate 42 on pressure rope support 41 is by steel wire
Rope clamp is held, to complete limiter of speed mechanical action.
Above example is only the description carried out to the preferred embodiment for the present invention, not scope is claimed to the present invention
The restriction for carrying out, on the premise of without departing from design spirit of the present invention, this area engineers and technicians are according to technology of the invention
The various forms of deformations that scheme is made, all should fall into the protection domain of claims of the present invention determination.
Claims (7)
1. a kind of centrifugal flail-block type limiter of speed, including support (1), rope sheave (2), ratchet (3), pressure rope re-pack component (4), spacing open
Close (5), first get rid of block part (6), second get rid of block part (7), get rid of block connecting rod (8) and adjusting screw rod (9), the rope sheave (2) and
Ratchet (3) is coaxially disposed side by side and is erected on support (1) by sheave shaft (21), is set between rope sheave (2) and sheave shaft (21)
There is clutch shaft bearing structure (22), second bearing structure (31) is provided between ratchet (3) and sheave shaft (21), rope sheave (2) is provided with
The pawl assembly (32) coordinated with ratchet (3) and paw component (33);The pressure rope re-packs component (4) including pressure rope support
(41), rope guarding plate (42), the part that re-packs (43), connecting screw rod (44), compression spring (45) and compression spring seat (46), spacing to open
Close (5) and be provided with feeler lever (51) and probe (52), it is on support (1) and right that pressure rope support (41) and limit switch (5) are respectively arranged in
The left and right sides of rope sheave (2) is should be at, the middle part of the part that re-packs (43) is rotatably connected with ratchet (3) by riveting axle (34),
Spacing hole (35) is offered on ratchet (3), support (1) is provided with the gag lever post (36) in the spacing hole (35) for stretching into ratchet (3);
Characterized in that, described first gets rid of block part (6) and gets rid of head (62), the first connecting plate (61) including the first connecting plate (61) and first
By 3rd bearing structure (63) on rope sheave (2), first gets rid of the square toes spiral shell that rope sheave (2) wheel rim is provided with head (62)
Nail (64), second gets rid of block part (7) gets rid of head (72) including the second connecting plate (71) and second, and the second connecting plate (71) is by the 4th
On rope sheave (2), second gets rid of the elastic component (74) being provided with head (72) in the middle part of rope sheave (2), institute to bearing arrangement (73)
The two ends correspondence for getting rid of block connecting rod (8) is stated by 5th bearing structure (81) and 6th bearing structure (82) and the first connecting plate (61)
Connect with the second connecting plate (71), the upper end of the adjusting screw rod (9) is connected by square cotter axle (91) with the first connecting plate (61),
The through hole that the lower end of adjusting screw rod (9) opens up through the connected unit (23) on rope sheave (2), adjusting screw rod is arranged with regulation on (9)
Spring (92), adjust spring (92) is respectively arranged at two ends with regulation spring base (93).
2. according to a kind of centrifugal flail-block type limiter of speed described in claim 1, it is characterised in that the elastic component (74) is truncated cone
Helical spring, the little head end of conical spring gets rid of head (72) and is fixedly connected with second, and the stub end of conical spring is hanging.
3. according to a kind of centrifugal flail-block type limiter of speed described in claim 1, it is characterised in that the clutch shaft bearing structure (22)
Rolling bearing is with second bearing structure (31).
4. according to a kind of centrifugal flail-block type limiter of speed described in claim 1, it is characterised in that the 3rd bearing structure (63)
Needle bearing is with fourth bearing structure (73).
5. according to a kind of centrifugal flail-block type limiter of speed described in claim 1, it is characterised in that the 5th bearing structure (81)
Rolling bearing is with 6th bearing structure (82).
6. according to a kind of centrifugal flail-block type limiter of speed described in claim 1, it is characterised in that the regulation spring base (93) is adopted
Make of nylon material.
7. according to a kind of centrifugal flail-block type limiter of speed described in claim 1, it is characterised in that the adjusting screw rod (9) and rope
The gap of 2~4mm is provided with wheel (2) between the through-hole wall of connected unit (23).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201611205548.5A CN106629299A (en) | 2016-12-23 | 2016-12-23 | Centrifugal block throwing type speed governor |
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CN201611205548.5A CN106629299A (en) | 2016-12-23 | 2016-12-23 | Centrifugal block throwing type speed governor |
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CN201611205548.5A Pending CN106629299A (en) | 2016-12-23 | 2016-12-23 | Centrifugal block throwing type speed governor |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110271934A (en) * | 2018-03-15 | 2019-09-24 | 杭州沪宁电梯部件股份有限公司 | A kind of rope sheave anti-interference mechanism |
CN114074873A (en) * | 2020-08-17 | 2022-02-22 | 杭州沪宁电梯部件股份有限公司 | Speed limiter and elevator |
CN114873406A (en) * | 2022-04-24 | 2022-08-09 | 西威电梯江苏有限公司 | Stable elevator speed limiter |
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CN110271934A (en) * | 2018-03-15 | 2019-09-24 | 杭州沪宁电梯部件股份有限公司 | A kind of rope sheave anti-interference mechanism |
CN110271934B (en) * | 2018-03-15 | 2024-02-02 | 杭州沪宁电梯部件股份有限公司 | Rope sheave anti-interference mechanism |
CN114074873A (en) * | 2020-08-17 | 2022-02-22 | 杭州沪宁电梯部件股份有限公司 | Speed limiter and elevator |
CN114074873B (en) * | 2020-08-17 | 2024-05-07 | 杭州沪宁电梯部件股份有限公司 | Speed limiter and elevator |
CN114873406A (en) * | 2022-04-24 | 2022-08-09 | 西威电梯江苏有限公司 | Stable elevator speed limiter |
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Application publication date: 20170510 |