CN108083050A - A kind of explosion-proof limiter of speed - Google Patents
A kind of explosion-proof limiter of speed Download PDFInfo
- Publication number
- CN108083050A CN108083050A CN201810013187.7A CN201810013187A CN108083050A CN 108083050 A CN108083050 A CN 108083050A CN 201810013187 A CN201810013187 A CN 201810013187A CN 108083050 A CN108083050 A CN 108083050A
- Authority
- CN
- China
- Prior art keywords
- triggering
- limiter
- speed
- explosion
- connecting rod
- 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
Links
- 238000004880 explosion Methods 0.000 claims abstract description 27
- 230000002265 prevention Effects 0.000 claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims description 17
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 17
- 230000000694 effects Effects 0.000 claims description 14
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 230000009471 action Effects 0.000 abstract description 4
- 239000002360 explosive Substances 0.000 abstract description 3
- 230000009977 dual effect Effects 0.000 abstract 1
- 230000013011 mating Effects 0.000 abstract 1
- 230000001960 triggered effect Effects 0.000 description 11
- 238000009434 installation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003786 synthesis reaction 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention discloses a kind of explosion-proof limiter of speeds.Machinery triggering centrifugal speed limiter is made of machinery triggering and electromagnetism triggering two systems.Machinery triggering is centrifugal, and when limiter of speed wheel speed is more than normal speed, limiter of speed action, triggering is acted with the mating safety tongs of limiter of speed, by the equipment stop such as elevator or elevator.Urgent triggering system, by making the power-off of explosion prevention electromagnet, triggers limiter of speed when system detectio is to elevator accidental movement.This limiter of speed is suitable for explosive atmosphere.It is a kind of explosion-proof limiter of speed for the mechanical electromagnetic dual trigger for possessing anti-car accidental movement function.
Description
Technical field
The present invention relates to a kind of limiter of speed, more particularly to a kind of explosion-proof limiter of speed.
Background technology
Now widely used limiter of speed protective device is all to use to drive safety tongs by limiter of speed, makes elevator, lifting
The hoisting machineries such as machine, which slow down, to be stopped.Limiter of speed is mostly using mechanical triggering mode, i.e., when the rotary speed of governor sheave is more than
During certain limit value, the centrifugal-block on governor sheave rotates under the influence of centrifugal force, and the detent mechanism on rope sheave is driven to move
Make, cord-pressing block on limiter of speed made to compress speed limiter wire rope, so as to using the wire rope pulling safety tongs of tensioning make elevator or
It is wherein mechanical out of service.
It is all that governor sheave material is made to the material misfired to be currently used in the limiter of speed used under explosive atmosphere
Material that is, when steel wire rope and rope sheave rub, does not generate electric spark.The energy generated by controlling measurement friction mechanically.It arrives
So far, the limiter of speed of electromagnetism triggering does not possess requirement of explosion proof still.Electromagnetism triggering requirement electromagnetism trigger device can be swift in motion,
Effect is strong, this power for allowing for electromagnetism trigger device has been more than the safety value under explosion-proof environment, the speed limit for triggering electromagnetism
Device cannot be applied under explosion-proof environment.
No. 1 modification single gauge of GB 7588-2003 is determined, and elevator detects accidental movement when opening the door, it is necessary to which elevator is reliable
Stop.Machinery triggering limiter of speed can be used under general environment, this function is realized using safety tongs as stop mechanism arrangement.But
It is under explosive atmosphere, elevator can not rely on limiter of speed and safety tongs to act elevator stopping, cause explosion-proof lift without the image of Buddha
Conventional lift equally increases by one of safety device.And other modes realize that this function is also infeasible on explosion-proof lift.
The content of the invention
The object of the present invention is to provide a kind of explosion-proof limiter of speeds.This explosion-proof limiter of speed prevents that elevator is unexpected with preferable
Mobile effect, and it is safer.
The present invention above-mentioned technical purpose technical scheme is that：A kind of explosion-proof limiter of speed, including
Installing plate, machinery triggering centrifugal speed limiter is provided on the installing plate, and the machinery triggering centrifugal speed limiter is connected with promptly
Triggering system, the urgent triggering system can trigger machinery triggering centrifugal speed limiter work, reach speed limit effect when power is off.
After above-mentioned technical proposal, when elevator or elevator accidental movement, by promptly triggering system cut-off,
So that promptly triggering system control machine tool triggering centrifugal speed limiter work, so that machinery triggering centrifugal speed limiter can
Elevator speed is controlled, is achieved the purpose that so that elevator brake.
The present invention is further arranged to：The urgent triggering system includes the speed limit for being arranged at machinery triggering centrifugal speed limiter
Ratchet in device wheel, multiple grooves are provided on the ratchet, and the groove is combined with triggering connecting rod, the triggering connecting rod connection
There is driving mechanism, when the driving mechanism is powered, triggering connecting rod departs from groove, when the driving mechanism powers off, triggers connecting rod
It enters in groove.
After above-mentioned technical proposal, driving mechanism is powered so that triggering connecting rod work, so that triggering connecting rod
Leave groove.At this point, ratchet is no longer influenced by the limitation of triggering connecting rod, so that ratchet is able to that speed limit device wheel is followed to be turned
It is dynamic.Limiter of speed wheel rotates so that machinery triggering centrifugal speed limiter does not interfere with the normal operation of elevator.When limiter of speed wheel speed
When degree is more than normal speed, machinery triggering centrifugal speed limiter work so that elevator or elevator braking.When elevator or elevator are anticipated
When outer mobile, driving mechanism power-off, so that the triggering connecting rod in driving mechanism is caught under self gravitation into groove.Make
Limiter of speed work is obtained, elevator or elevator are braked.Pass through above two mode of braking so that the explosion-proof limiter of speed can
It is used in explosion environment, the reason is that do not braked by electromagnetic braking mode, but by promptly triggering system band motivation
Tool triggering centrifugal speed limiter work, so that electromagnetic power does not exceed safety value.
The present invention is further arranged to：The driving mechanism includes explosion prevention electromagnet, is set at the top of the explosion prevention electromagnet
There is output shaft, the output shaft is connected with triggering connecting rod, and the explosion prevention electromagnet bottom is provided with compression spring.
After above-mentioned technical proposal, by setting explosion prevention electromagnet so that explosion prevention electromagnet can drive output
Axis moves up.At this point, compression spring elongation, has elastic potential energy.Output shaft movement drives triggering connecting rod to move up, so as to
So that triggering connecting rod departs from from groove, triggering connecting rod does not interfere with the normal operation of elevator or elevator.When elevator or lifting
During machine accidental movement, explosion prevention electromagnet power-off, so that triggering connecting rod blocks under the elastic force of self gravitation and compression spring
Enter into groove so that triggering connecting rod driving machinery triggering centrifugal speed limiter work, so as to be braked to elevator or elevator.
Since the explosion prevention electromagnet pushes up triggering connecting rod when being powered, required power does not exceed the peace under explosion-proof environment
Total head reaches explosion-proof effect.In addition, when Crush trigger is needed to trigger centrifugal speed limiter, by breaking to explosion prevention electromagnet
Electricity so that explosion prevention electromagnet need not directly brake elevator or elevator, but triggers machine by triggering connecting rod
Tool triggers centrifugal speed limiter, so as to carry out mechanical braking to elevator or elevator.Also, it is triggered, is made in environment is powered off
The power for obtaining the explosion prevention electromagnet in triggering is 0, and the power that will not cause explosion prevention electromagnet during the work time is more than safety value,
So as to reach preferable explosion-proof effect.
The present invention is further arranged to：The urgent triggering system further includes electromagnet pedestal, the electromagnet pedestal with
Installing plate is fixedly connected, and waist type groove corresponding with triggering connecting rod is provided on the electromagnet pedestal.
After above-mentioned technical proposal, by setting electromagnet pedestal so that the installation of entire urgent triggering system
It is relatively stable, in machinery triggering centrifugal speed limiter work urgent triggering system installation will not be caused unstable.Pass through waist type groove
Setting so that explosion prevention electromagnet drive triggering connecting rod movement when path limited, ensure triggering connecting rod preferably leave it is recessed
Slot prevents triggering connecting rod path during movement from shifting so that prevents triggering connecting rod from cannot timely start machinery
Trigger centrifugal speed limiter.
In conclusion the invention has the advantages that：
1st, innovative point of the invention is：General electricity magnetically triggered system, which is required to electromagnetism trigger device, to be swift in motion, and make
With strong.But it can so cause the power of electromagnetism trigger device more than the safety value under explosion-proof environment, it is impossible to reach preferable
Explosion-proof effect.Therefore, the present invention is mainly by setting urgent triggering system so that is triggered in urgent trigger device Crush trigger
Centrifugal speed limiter works, and by increasing new step, need not be triggered by electromagnetism, but is carried out in a manner that machinery triggers
Braking.The realization method need not promptly trigger system and can be realized with very high power.In addition, promptly triggering system exists
When elevator or elevator accidental movement, connecting rod is triggered by the mode of power-off and is snapped onto again in groove, starts machinery and touches
Send out centrifugal speed limiter.Under this mode so that triggering connecting rod snaps onto under self gravitation and the elastic force effect for compressing spring
In groove, the power of explosion prevention electromagnet is 0, does not exceed safety value, reaches preferable explosion-proof effect；
2nd, the setting of electromagnet pedestal is passed through so that the installation of entire urgent triggering system is relatively stable, so that entire tight
Anxious triggering system will not cause urgent triggering system installation unstable in elevator or elevator duty.Also, pass through waist type groove
Setting so that the displacement for triggering connecting rod is limited, so as to prevent triggering connecting rod occurs in moving process shake or path it is inclined
It moves.
Description of the drawings
Fig. 1 is the structure diagram of embodiment；
Fig. 2 is the front view of embodiment.
Reference numeral：1st, installing plate；2nd, machinery triggering centrifugal speed limiter；3rd, system is promptly triggered；4th, ratchet；5th, triggering connects
Bar；6th, electromagnet pedestal；7th, driving mechanism；8th, explosion prevention electromagnet；9th, output shaft；10th, spring is compressed；11st, groove；12nd, waist type
Slot.
Specific embodiment
The present invention is described in further detail below in conjunction with attached drawing.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, people in the art
Member can as needed make the present embodiment the modification of no creative contribution after this specification is read, but as long as at this
It is all protected in the right of invention be subject to Patent Law.
As shown in Figure 1 and Figure 2, a kind of explosion-proof limiter of speed, including installing plate 1, machinery triggering centrifugal speed limiter 2 and urgent
Triggering system 3.Wherein, machinery triggering centrifugal speed limiter 2 is mounted on installing plate 1.Urgent triggering system 3 is centrifuged with machinery triggering
Limiter of speed 2 connects.
Urgent triggering system 3 includes ratchet 4, triggering connecting rod 5, electromagnet pedestal 6, driving mechanism 7.Wherein, electromagnet bottom
Seat 6 is fixedly connected with installing plate 1.Driving mechanism 7 includes explosion prevention electromagnet 8.Explosion prevention electromagnet 8 is mounted on electromagnet pedestal 6.
Output shaft 9 is fixedly connected on explosion prevention electromagnet 8.Compression spring 10 is provided between output shaft 9 and electromagnet pedestal 6.It is explosion-proof
9 top of output shaft and the triggering connecting rod 5 of electromagnet 8 are connected.Trigger the one end of connecting rod 5 away from explosion prevention electromagnet 8 and ratchet 4
Cooperation.It is provided on ratchet 4 multiple with triggering 5 corresponding groove 11 of connecting rod.Ratchet 4 is fixed on machinery triggering centrifugal speed limiter
In 2 speed limit device wheel, and rotated together with speed limit device wheel.
It is ejected during energization in the axial direction of explosion prevention electromagnet 8.6 one side of electromagnet pedestal is opened up there are one waist-shaped hole.Triggering connects
Bar 5 is fixed on through the waist type groove 12 on electromagnet pedestal 6, one end on the output shaft 9 of explosion prevention electromagnet 8, and triggering connecting rod 5 can edge
Waist type groove 12 on electromagnet pedestal 6 does sliding up and down.5 one end of triggering connecting rod can be caught in groove 11.
When explosion prevention electromagnet 8 is powered, output shaft 9 drives triggering connecting rod 5 to depart from groove 11, machinery triggering centrifugation limit rapidly
Fast 2 normal operation of device.When limiter of speed overspeed, limiter of speed is triggered by mechanical trigger mechanism, safety tongs is driven to carry out stop
Action.
When detecting elevator or elevator accidental movement, 8 fast break of explosion prevention electromagnet, output shaft 9 is in explosion-proof electromagnetic
Reset is moved downward under the double action of itself spring of iron 8 and gravity, triggering connecting rod 5 is driven to be caught in the groove 11 of ratchet 4, from
And Crush trigger triggering centrifugal speed limiter 2 acts, and safety tongs is driven to carry out stop action.
Whole synthesis effect：
General electricity magnetically triggered system, which is required to electromagnetism trigger device, to be swift in motion, and effect is strong.But can so it cause
The power of electric magnetically triggered system is more than the safety value under explosion-proof environment, it is impossible to reach preferable explosion-proof effect.Therefore, the present invention is main
If by setting urgent triggering system 3 so that work, pass through in urgent 3 Crush trigger of triggering system triggering centrifugal speed limiter 2
Increase new step, need not be triggered by electromagnetism, but braked in a manner that machinery triggers.The realization method is not required to
Promptly to trigger system 3 can realize with very high power.In addition, promptly triggering system 3 is unexpected in elevator or elevator
When mobile, connecting rod 5 is triggered by the mode of power-off and is snapped onto again in groove 11, start machinery triggering centrifugal speed limiter 2.
Under this mode so that during triggering connecting rod 5 snaps onto groove 11 under self gravitation and the elastic force effect for compressing spring 10, prevent
The power of quick-fried electromagnet 8 is 0, does not exceed safety value, reaches preferable explosion-proof effect.
Claims (4)
1. a kind of explosion-proof limiter of speed including installing plate (1), is provided with machinery triggering centrifugal speed limiter on the installing plate (1)
(2), it is characterized in that：The machinery triggering centrifugal speed limiter (2) is connected with urgent triggering system (3), the urgent triggering system
(3) it can trigger machinery triggering centrifugal speed limiter (2) when power is off to work, reach speed limit effect.
2. a kind of explosion-proof limiter of speed according to claim 1, it is characterized in that：The urgent triggering system (3) includes setting
Ratchet (4) in the speed limit device wheel of machinery triggering centrifugal speed limiter (2) is provided with multiple grooves (11) on the ratchet (4),
The groove (11) is combined with triggering connecting rod (5), and the triggering connecting rod (5) is connected with driving mechanism (7), the driving mechanism
(7) when being powered, triggering connecting rod (5) departs from groove (11), and when the driving mechanism (7) powers off, triggering connecting rod (5) enters recessed
In slot (11).
3. a kind of explosion-proof limiter of speed according to claim 2, it is characterized in that：The driving mechanism (7) includes explosion-proof electromagnetic
Iron (8), explosion prevention electromagnet (8) top are provided with output shaft (9), and the output shaft (9) is connected with triggering connecting rod (5), institute
It states explosion prevention electromagnet (8) bottom and is provided with compression spring (10).
4. a kind of explosion-proof limiter of speed according to claim 2, it is characterized in that：The urgent triggering system (3) further includes electricity
Magnet pedestal (6), the electromagnet pedestal (6) are fixedly connected with installing plate (1), be provided on the electromagnet pedestal (6) with
Trigger the corresponding waist type groove (12) of connecting rod (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810013187.7A CN108083050A (en) | 2018-01-08 | 2018-01-08 | A kind of explosion-proof limiter of speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810013187.7A CN108083050A (en) | 2018-01-08 | 2018-01-08 | A kind of explosion-proof limiter of speed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108083050A true CN108083050A (en) | 2018-05-29 |
Family
ID=62182102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810013187.7A Pending CN108083050A (en) | 2018-01-08 | 2018-01-08 | A kind of explosion-proof limiter of speed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108083050A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111675127A (en) * | 2020-06-18 | 2020-09-18 | 王成 | Construction method of steel structure hoisting equipment for building and road and bridge construction |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009154984A (en) * | 2007-12-25 | 2009-07-16 | Mitsubishi Electric Corp | Elevator governor |
| CN102216189A (en) * | 2009-01-20 | 2011-10-12 | 三菱电机株式会社 | Safety device for elevator |
| WO2012017549A1 (en) * | 2010-08-06 | 2012-02-09 | 三菱電機株式会社 | Elevator speed governor |
| CN102556799A (en) * | 2011-12-23 | 2012-07-11 | 宁波申菱电梯配件有限公司 | Device for preventing lift car of lift from accidentally moving |
| CN204549699U (en) * | 2015-03-31 | 2015-08-12 | 西继迅达（许昌）电梯有限公司 | There is the two-way automatic anti-running car speed limiter system of ratchet auto-reset function |
| CN205709296U (en) * | 2016-03-24 | 2016-11-23 | 廊坊市久联机械有限公司 | A kind of elevator governor |
| CN106608574A (en) * | 2015-10-21 | 2017-05-03 | 刘德民 | Bi-directional speed governor with function of monitoring accidental movement of elevator car |
| CN107324172A (en) * | 2016-04-28 | 2017-11-07 | 刘德民 | A kind of speed limit device wheel |
| CN206783054U (en) * | 2017-05-25 | 2017-12-22 | 苏州尼隆电梯部件有限公司 | Elevator governor for car accidental movement |
| CN207774530U (en) * | 2018-01-08 | 2018-08-28 | 台州富士电梯制造有限公司 | A kind of explosion-proof limiter of speed |
-
2018
- 2018-01-08 CN CN201810013187.7A patent/CN108083050A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009154984A (en) * | 2007-12-25 | 2009-07-16 | Mitsubishi Electric Corp | Elevator governor |
| CN102216189A (en) * | 2009-01-20 | 2011-10-12 | 三菱电机株式会社 | Safety device for elevator |
| WO2012017549A1 (en) * | 2010-08-06 | 2012-02-09 | 三菱電機株式会社 | Elevator speed governor |
| CN102556799A (en) * | 2011-12-23 | 2012-07-11 | 宁波申菱电梯配件有限公司 | Device for preventing lift car of lift from accidentally moving |
| CN204549699U (en) * | 2015-03-31 | 2015-08-12 | 西继迅达（许昌）电梯有限公司 | There is the two-way automatic anti-running car speed limiter system of ratchet auto-reset function |
| CN106608574A (en) * | 2015-10-21 | 2017-05-03 | 刘德民 | Bi-directional speed governor with function of monitoring accidental movement of elevator car |
| CN205709296U (en) * | 2016-03-24 | 2016-11-23 | 廊坊市久联机械有限公司 | A kind of elevator governor |
| CN107324172A (en) * | 2016-04-28 | 2017-11-07 | 刘德民 | A kind of speed limit device wheel |
| CN206783054U (en) * | 2017-05-25 | 2017-12-22 | 苏州尼隆电梯部件有限公司 | Elevator governor for car accidental movement |
| CN207774530U (en) * | 2018-01-08 | 2018-08-28 | 台州富士电梯制造有限公司 | A kind of explosion-proof limiter of speed |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111675127A (en) * | 2020-06-18 | 2020-09-18 | 王成 | Construction method of steel structure hoisting equipment for building and road and bridge construction |
| CN111675127B (en) * | 2020-06-18 | 2021-08-10 | 山东丰年路桥钢构有限公司 | Construction method of steel structure hoisting equipment for building and road and bridge construction |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 318012 599 southeast Avenue, Jiaojiang District, Taizhou, Zhejiang. Applicant after: Taizhou Fuji Elevator Co.,Ltd. Address before: 318012 No. 599, Southeast Avenue, Jiaojiang District, Taizhou City, Zhejiang Province Applicant before: TAIZHOU FUJI ELEVATOR Co.,Ltd. |
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| CB02 | Change of applicant information | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180529 |
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| WD01 | Invention patent application deemed withdrawn after publication |