CN107473045A - Novel inorganic room bidirectional speed limiter - Google Patents
Novel inorganic room bidirectional speed limiter Download PDFInfo
- Publication number
- CN107473045A CN107473045A CN201710665344.8A CN201710665344A CN107473045A CN 107473045 A CN107473045 A CN 107473045A CN 201710665344 A CN201710665344 A CN 201710665344A CN 107473045 A CN107473045 A CN 107473045A
- Authority
- CN
- China
- Prior art keywords
- ratchet
- wire rope
- rope
- banking pin
- mainframe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 230000002457 bidirectional effect Effects 0.000 title claims description 16
- 230000000694 effects Effects 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 29
- 239000010959 steel Substances 0.000 claims description 29
- 230000013011 mating Effects 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 4
- 230000001960 triggered effect Effects 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
-
- 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
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
- B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
- B66B5/185—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces by acting on main ropes or main cables
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The present invention relates to a kind of elevator car safety, especially a kind of new two-way machine-room-less speed limiter.The click component of the limiter of speed includes ratchet and pawl, one side surface of ratchet is provided with a banking pin, banking pin both sides pass through extension spring connection and mainframe inner side respectively, corresponded on mainframe and a horizontal deep-slotted chip breaker is provided with banking pin, the leverage for being used for driving rope brake or safety tongs is provided with the one or both ends of deep-slotted chip breaker；Clamping jaw is the ratchet that automatically resets, and is provided with a trigger board being engaged with ratchet in the sidepiece of ratchet, being provided with pushing tow trigger board by trigger board makes trigger unit deflect so as to trigger and unclamp the electromagnet of ratchet.The cooperation that the present invention passes through banking pin, U-lag and leverage, banking pin is set to form a vacant stroke by taking place during offset motion drives rope brake or safety tongs to triggering leverage, triggering effect is not produced in the motion of the trip inside brake pin, it is achieved thereby that occurring the problem of prevent false triggering maloperation.
Description
Technical field
The present invention relates to a kind of elevator car safety, especially a kind of new two-way machine-room-less speed limiter.
Background technology
The limiter of speed of elevator is lift running safety control device, for elevator speed exceed the speed limit pre-set velocity when,
Operation to elevator takes urgent measure, and avoids the generation of dangerous situation.
Bidirectional speed limiter for elevator general work principle is when lift car uplink and downlink are detected in running process of elevator
Movement velocity, once the movement velocity of lift car exceeds preset range, then make cut-out elevator traction electromechanical source first
Action, if car continues to make the action of brake wire without stopping at once.Steel wire rope referred herein, is referred to
Steel wire rope rather than elevator jackstay around governor sheave, one end of the steel wire rope is connected on car safety, with car
Move up and down, thus rope sheave Double-directional rotary can be driven, once the steel wire rope is braked, then safety tongs can clamp elevator rail automatically
And make car deceleration stop.So, limiter of speed can realize the purpose for preventing that car speeding from running, so as to avoid the hair of dangerous situation
It is raw.
But existing limiter of speed generally there are following Railway Project：
1st, when Elevator landing opens the door passenger up and down or goods, when passenger is full or goods is heavier, car has
A certain degree of to move down, even if it is safe distance that this, which moves down distance, now limiter of speed easily produces erroneous judgement, cuts off traction electromechanical source
And the operation of safety tongs locking elevator is triggered, influence the normal operation of elevator；
2nd, because existing elevator is when door is opened, the ejection of limiter of speed electromagnet comes, when elevator goes further dynamic 30mm, speed limit
Device does not walk idle stroke, causes limiter of speed to act, descending lifting safety tongs action, up lifting rope brake action, so can not
Carry out advance door opening action, thus enabling of the existing elevator in flat bed and shutdown action be after elevator stops completely
Switch door operation is carried out, in the operation of high-rise express lift (the general speed of service is 2.0m/s or more than 2.5m/s), this
The operational efficiency of elevator can be greatly reduced in the switch gate control operation of class.Existing high-rise express lift is also that part elevator possesses and carried
Button fly front function, but this function is intended to change the execution logic of operation program and release mechanism, setting up procedure is complicated, cost compared with
It is high.
The content of the invention
In order to solve the above-mentioned technical problem, the present invention provide one kind can avoid car slightly move caused by control system
Judge and be adaptable to switch the Novel speed limiter without machine room of gate control by accident in advance.
The limiter of speed includes the mainframe for installing component, is installed on mainframe by main shaft in described mainframe
Rope wheel component, the click component that is swung with the rotation of rope wheel component and in rope wheel component overspeed rotation by spine
The motor switch component of pawl assembly triggering is taken turns, the rotating speed when rope wheel component is rotated by the drive of steel wire rope is beyond default speed
When spending, click component triggering motor switch component cuts off elevator traction electromechanical source and then locking rope wheel component, its feature exist
In：Described click component includes ratchet and pawl, and a side surface of ratchet is provided with a banking pin, banking pin both sides difference
On the inside of extension spring connection and mainframe, corresponded on mainframe and a horizontal deep-slotted chip breaker is provided with banking pin；Described clamping jaw is
Automatically reset ratchet, is provided with a trigger board being engaged with ratchet in the sidepiece of ratchet, is touched by described trigger board provided with pushing tow
Hair plate makes trigger unit deflect so as to trigger and unclamp the electromagnet of ratchet.
Preferably, the leverage for being used for driving rope brake or safety tongs is provided with the one or both ends of deep-slotted chip breaker.
Preferably, described ratchet is movably installed on rope sheave by torsion spring.
Preferably, described leverage includes the lever that activity is fixed on mainframe outer surface, and lever includes setting
It is located at the banking pin trigger arm of deep-slotted chip breaker edge in top and is used for the pulling for driving rope brake or safety rope located at lower section
Arm, pull arm are connected to mainframe surface by back-moving spring.
Preferably, described rope wheel component includes a wire rope pulley for being used for coiling steel wire rope, and steel wire rope is around as steel wire
In steel wire rope groove on rope sheave lateral wall, described steel wire rope groove is V-shaped groove.
Preferably, the outer surface of described wire rope pulley is provided with the electromagnet cooperation of covering outer surface marginal portion
Circle, the edge of the lateral surface of described electromagnet matching ring are provided with mating groove, and mating groove moderate angles are provided with boss.
Preferably, the outer surface interval of described wire rope pulley is provided with mating groove, and mating groove is by wire rope pulley surface
Concave and then formed and form the cooperation coordinated with electromagnet with the integral structure of wire rope pulley, the interval between mating groove
Portion.
Preferably, described click component includes a ratchet, and electromagnet stent, ratchet pair are provided with the top of ratchet
Upper motor switch component side is provided with switch guide, and the lower section of ratchet is provided with a braking pin mount, the installation of described banking pin
In on braking pin mount.
Preferably, corresponding braking key seat installation place pre-sets a mounting hole, described braking key seat on described ratchet
It is weldingly fixed in mounting hole, banking pin is fixed on braking key seat by fastener.
Preferably, the position corresponded on described electromagnet stent around electromagnet expansion link is provided with expansion link reinforced seat.
The present invention the new cooperation for having computer room limiter of speed by banking pin, U-lag and leverage, make banking pin by
Take place during offset motion drives rope brake or safety tongs to triggering leverage and form a vacant formation, in the row
The motion of journey inside brake pin does not produce triggering effect, it is achieved thereby that occurring the problem of prevent false triggering maloperation；Work as door simultaneously
During opening, the ejection of limiter of speed electromagnet, opening door operation is now can perform, when elevator goes further dynamic 30mm, limiter of speed walks sky
Stroke, banking pin walk idle stroke in arc groove, and limiter of speed still will not act, and would not also set out safety tongs and rope brake moves
Make, so advance door opening action can be carried out.
Brief description of the drawings
Fig. 1 is the overall positive structure schematic of first embodiment of the invention；
Fig. 2 is the overall lateral section structural representation of first embodiment of the invention；
Fig. 3 is the overall positive structure schematic of the second embodiment of the embodiment of the present invention；
Fig. 4 is the positive structure schematic of the wire rope pulley of the embodiment of the present invention；
Fig. 5 is the lateral section structural representation of the wire rope pulley of the embodiment of the present invention；
Fig. 6 is the positive structural representation of the click component of the embodiment of the present invention；
Fig. 7 is the click components side cross section structure schematic diagram of the embodiment of the present invention.
Embodiment
As shown in Fig. 1-Fig. 7, the novel inorganic room bidirectional speed limiter in the first embodiment of the present invention includes being used to install
Rope wheel component 2 on mainframe is installed in the mainframe 1 of part, described mainframe 1 by main shaft, with rope wheel component 2
Rotate and swing click component 3 and in 2 overspeed rotation of rope wheel component by click component 3 trigger it is electronic
Switch module 4, when the rotating speed when rope wheel component 2 is rotated by the drive of steel wire rope exceeds pre-set velocity, click component 3
Triggering motor switch component 4 cuts off elevator traction electromechanical source and then locking rope wheel component 2, described click component 3 include
One ratchet 31 and ratchet 32, a side surface of ratchet 31 are provided with a banking pin 33, and the both sides of banking pin 33 are connected by extension spring 34 respectively
Connect and a horizontal deep-slotted chip breaker 11 is provided with banking pin with the inside of mainframe 1, being corresponded on mainframe 1；Described clamping jaw 32 is automatic
Ratchet is resetted, is provided with a trigger board 5 being engaged with ratchet in the sidepiece of ratchet 31, the described side of trigger board 5 is touched provided with pushing tow
Hair plate 5 makes trigger unit 5 deflect so as to trigger and unclamp the electromagnet 6 of ratchet 21.
When elevator is run, the centrifugal hammer in rope wheel component 2 is used to detect overspeed condition, when upstream or downstream exceed the speed limit,
Ratchet and pawl in centrifugal hammer driving pawl pawl assembly combines, and realizes the servo-actuated of ratchet and rope sheave；Or work as and detect meaning
After directly controlling electromagnet, electromagnet to stretch out by electric signal when outer mobile, realize ratchet and omit servo-actuated.As people on elevator
Live goods when, if suddenly weight increase, car has the sinking of certain amplitude, but is now still within safe range,
So now even if ratchet and rope sheave are servo-actuated, idle stroke is walked because banking pin 32 has one section in deep-slotted chip breaker 11, so not triggering
Rope brake or safety tongs action, elevator still can be with normal operations, by the elevator sinking distance controlling in 30mm in the present embodiment
It is interior.Likewise, when elevator will reach flat bed, door opening action can be carried out in advance by reaching 30mm, not trigger unexpected shifting now
It is dynamic, elevator operating efficiency is improved, and the logic of elevator safety protection mechanism, simple possible need not be changed.
In actual use, because the rope brake for needing to drive is different with safety tongs facilities, it can be respectively provided with both sides
Rope brake bracing wire lock is used to drive bidirectional rope gripper, and when driving bidirectional safety tongs, both sides can be not provided with leverage, in side band
Dynamic rope brake, side are driven under the use situation of safety tongs, drive rope brake side to set leverage to connect rope brake cable brake
, when driving safety tongs, without setting leverage, when banking pin 32 runs to the end of deep-slotted chip breaker 11, ratchet and rope
The operation of wheel is locked out, and rope sheave produces a clamping force to steel wire rope, passes through wire rope pulling safety tongs.Signified steel wire herein
Rope, steel wire rope rather than elevator jackstay around governor sheave are referred to, one end of the steel wire rope is connected to car safety
On, moved up and down with car, thus rope sheave Double-directional rotary can be driven, once the steel wire rope is braked, then safety tongs can press from both sides automatically
Hold elevator rail and make car deceleration stop.
Up-downgoing hypervelocity drives the structure of safety tongs in the first embodiment.Based on the structure it is further proposed that second is real
Apply example.Leverage 5 is set in the side of deep-slotted chip breaker 11 (left side) in a second embodiment, realizes that up hypervelocity drives folder rope
Device, overspeed descending drive the effect of safety tongs.
In the present embodiment, described leverage 5 includes the lever that activity is fixed on the outer surface of mainframe 1, lever
Including being located at the banking pin trigger arm 51 of deep-slotted chip breaker edge located at top and being used to drive rope brake or safety located at lower section
The pull arm 52 of rope, pull arm are connected to mainframe surface by back-moving spring.
In order that rope sheave produces enough clamping force to steel wire rope, in the present embodiment, described rope wheel component 2 includes one and used
In the rope sheave 21 of coiling steel wire rope, steel wire rope groove 22 of the steel wire rope on as the lateral wall of rope sheave 21, described steel wire rope groove
22 be V-shaped groove.With the locking of rope sheave, in car accidental movement, a pulling function is produced to steel wire rope, steel wire rope thinks V-arrangement
Moved in groove, with the progressively diminution of V-shaped groove width, steel wire rope the more presss from both sides the more tight in V-shaped groove, realizes the triggering to safety tongs.
For the ease of the processing of rope sheave part, in the present embodiment, the outer surface of described wire rope pulley 21 is provided with covering
The electromagnet matching ring 23 of outer surface marginal portion, the edge of the lateral surface of described electromagnet matching ring 23, which is provided with, to be coordinated
Groove 24, mating groove moderate angles are provided with boss 25.
In the present embodiment, described electromagnet matching ring 23 is nylon ring.
Above-mentioned is the structure of split type wire rope pulley 21, in the production of reality and in use, integral type can also be used
Wire rope pulley structure, i.e., be provided with mating groove at the outer surface interval of described wire rope pulley, mating groove is by wire rope pulley
Surface concaves and then formed with the integral structure of wire rope pulley, and the interval between mating groove is formed matches somebody with somebody with electromagnet cooperation
Conjunction portion.
In the present embodiment, in described click component 3, electromagnet stent 35, ratchet are provided with the top of ratchet 31
31 pairs of upper sides of motor switch component 4 are provided with switch guide 36, and the lower section of ratchet 31 is provided with a braking pin mount 36, described
Banking pin 33 is installed on braking pin mount 37.
Because banking pin 33 can produce reaction force when reaching 11 end of deep-slotted chip breaker, thus banking pin 33 need it is enough
Intensity keeps not being knocked and coming off, in order to improve the intensity of banking pin 33, in the present embodiment, and corresponding braking on described ratchet 31
Key seat installation place pre-sets a mounting hole 38, and described braking key seat 37 is weldingly fixed in mounting hole 38, and banking pin 33 is logical
Fastener is crossed to be fixed on braking key seat 37.
Simultaneously as electromagnet can act power when stretching out with the convex platform 25 of rope sheave 21, in order to improve intensity, prevent
Electromagnet is knocked damage when stretching out, and in the present embodiment, is corresponded on described electromagnet stent 34 around electromagnet expansion link
Position is provided with expansion link reinforced seat 39.Surrounding progress of the expansion link reinforced seat 38 to the electromagnet of stretching is spacing, prevents its stress
For the situation for bending, departing from.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, every utilization
The equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other correlations
Technical field, be included within the scope of the present invention.
Claims (10)
1. novel inorganic room bidirectional speed limiter, including the mainframe for installing component, pacified in described mainframe by main shaft
Surpass loaded on the rope wheel component on mainframe, the click component swung with the rotation of rope wheel component and in rope wheel component
The motor switch component triggered when speed rotates by click component, turn when rope wheel component is rotated by the drive of steel wire rope
When speed exceeds pre-set velocity, click component triggering motor switch component cut-out elevator traction electromechanical source and then locking pulley set
Part, it is characterised in that：Described click component includes ratchet and pawl, and a side surface of ratchet is provided with a banking pin, system
Dynamic pin both sides are provided with a horizontal deep-slotted chip breaker by extension spring connection with the inside of mainframe, being corresponded on mainframe respectively at banking pin；
Described clamping jaw is the ratchet that automatically resets, and a trigger board being engaged with ratchet, described trigger board are provided with the sidepiece of ratchet
Side, which is provided with pushing tow trigger board, makes trigger unit deflect so as to trigger and unclamp the electromagnet of ratchet.
2. novel inorganic room as claimed in claim 1 bidirectional speed limiter, it is characterised in that：, in the one or both ends of deep-slotted chip breaker
Provided with the leverage for driving rope brake or safety tongs.
3. novel inorganic room as claimed in claim 2 bidirectional speed limiter, it is characterised in that：Described ratchet passes through torsion spring activity
It is installed on rope sheave.
4. novel inorganic room as claimed in claim 3 bidirectional speed limiter, it is characterised in that：Described leverage includes activity
The lever being fixed on mainframe outer surface, lever include located at top be located at the banking pin trigger arm of deep-slotted chip breaker edge with
And it is used for the pull arm for driving rope brake or safety rope located at lower section, pull arm is connected to mainframe surface by back-moving spring.
5. novel inorganic room as claimed in claim 4 bidirectional speed limiter, it is characterised in that：Described rope wheel component includes one and used
In the wire rope pulley of coiling steel wire rope, steel wire rope groove of the steel wire rope on as wire rope pulley lateral wall, described steel wire rope
Groove is V-shaped groove.
6. novel inorganic room as claimed in claim 5 bidirectional speed limiter, it is characterised in that：The outside table of described wire rope pulley
Face is provided with the electromagnet matching ring of covering outer surface marginal portion, and the edge of the lateral surface of described electromagnet matching ring is set
There is mating groove, mating groove moderate angles are provided with boss.
7. novel inorganic room as claimed in claim 5 bidirectional speed limiter, it is characterised in that：The outside table of described wire rope pulley
Face interval is provided with mating groove, mating groove concaved by wire rope pulley surface so that formed with the integral structure of wire rope pulley,
Interval between mating groove forms the auxiliary section coordinated with electromagnet.
8. novel inorganic room bidirectional speed limiter as claimed in claims 6 or 7, it is characterised in that：Described click component
Including a ratchet, electromagnet stent is provided with the top of ratchet, ratchet is provided with switch guide, spine to upper motor switch component side
The lower section of wheel is provided with a braking pin mount, and described banking pin is installed on braking pin mount.
9. novel inorganic room as claimed in claim 8 bidirectional speed limiter, it is characterised in that：Banking pin is corresponded on described ratchet
Seat installation place pre-sets a mounting hole, and described braking key seat is weldingly fixed in mounting hole, and banking pin is consolidated by fastener
It is scheduled on braking key seat.
10. novel inorganic room as claimed in claim 9 bidirectional speed limiter, it is characterised in that：It is right on described electromagnet stent
The position around electromagnet expansion link is answered to be provided with expansion link reinforced seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710665344.8A CN107473045A (en) | 2017-08-04 | 2017-08-04 | Novel inorganic room bidirectional speed limiter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710665344.8A CN107473045A (en) | 2017-08-04 | 2017-08-04 | Novel inorganic room bidirectional speed limiter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107473045A true CN107473045A (en) | 2017-12-15 |
Family
ID=60597685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710665344.8A Pending CN107473045A (en) | 2017-08-04 | 2017-08-04 | Novel inorganic room bidirectional speed limiter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107473045A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108675079A (en) * | 2018-08-07 | 2018-10-19 | 重庆科技学院 | A kind of elevator governor auxiliary device |
| CN109516335A (en) * | 2018-12-07 | 2019-03-26 | 中山职业技术学院 | A kind of machine-room-less speed limiter |
| WO2019184415A1 (en) * | 2018-03-28 | 2019-10-03 | 苏州尼隆电梯部件有限公司 | Elevator speed limiter |
| CN112696314A (en) * | 2020-12-29 | 2021-04-23 | 诸暨和创电机科技有限公司 | Wind driven generator based on wind power braking mechanism |
| GR1010279B (en) * | 2021-10-12 | 2022-08-05 | Ευαγγελος Νικολαου Κλαμπανης | Speed regulator's security mechanism |
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| CN2775015Y (en) * | 2005-03-08 | 2006-04-26 | 宁波申菱电梯配件有限公司 | Electric speed limiter without machine room |
| CN2804028Y (en) * | 2005-06-01 | 2006-08-09 | 宁波申菱电梯配件有限公司 | Two-way speed limiter of elevator |
| CN101088897A (en) * | 2007-07-10 | 2007-12-19 | 宁波申菱电梯配件有限公司 | Novel elevator speed limiter |
| CN103407855A (en) * | 2013-09-02 | 2013-11-27 | 苏州尼隆电梯部件有限公司 | Elevator speed governor |
| CN104401836A (en) * | 2014-12-12 | 2015-03-11 | 上海乐天电梯部件有限公司 | Speed limiter for triggering elevator safe execution mechanism or device |
| CN207390723U (en) * | 2017-08-04 | 2018-05-22 | 佛山市欧汇电梯配件有限公司 | Novel inorganic room bidirectional speed limiter |
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2017
- 2017-08-04 CN CN201710665344.8A patent/CN107473045A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2775015Y (en) * | 2005-03-08 | 2006-04-26 | 宁波申菱电梯配件有限公司 | Electric speed limiter without machine room |
| CN2804028Y (en) * | 2005-06-01 | 2006-08-09 | 宁波申菱电梯配件有限公司 | Two-way speed limiter of elevator |
| CN101088897A (en) * | 2007-07-10 | 2007-12-19 | 宁波申菱电梯配件有限公司 | Novel elevator speed limiter |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019184415A1 (en) * | 2018-03-28 | 2019-10-03 | 苏州尼隆电梯部件有限公司 | Elevator speed limiter |
| CN108675079A (en) * | 2018-08-07 | 2018-10-19 | 重庆科技学院 | A kind of elevator governor auxiliary device |
| CN108675079B (en) * | 2018-08-07 | 2023-04-07 | 重庆科技学院 | Elevator overspeed governor auxiliary device |
| CN109516335A (en) * | 2018-12-07 | 2019-03-26 | 中山职业技术学院 | A kind of machine-room-less speed limiter |
| CN109516335B (en) * | 2018-12-07 | 2024-04-26 | 中山职业技术学院 | No computer lab overspeed governor |
| CN112696314A (en) * | 2020-12-29 | 2021-04-23 | 诸暨和创电机科技有限公司 | Wind driven generator based on wind power braking mechanism |
| GR1010279B (en) * | 2021-10-12 | 2022-08-05 | Ευαγγελος Νικολαου Κλαμπανης | Speed regulator's security mechanism |
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