CN104477724B - Anti-fall elevator - Google Patents
Anti-fall elevator Download PDFInfo
- Publication number
- CN104477724B CN104477724B CN201410827575.0A CN201410827575A CN104477724B CN 104477724 B CN104477724 B CN 104477724B CN 201410827575 A CN201410827575 A CN 201410827575A CN 104477724 B CN104477724 B CN 104477724B
- Authority
- CN
- China
- Prior art keywords
- gear
- guide rail
- connecting rod
- elevator
- triggering
- 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.)
- Expired - Fee Related
Links
- 230000000694 effects Effects 0.000 claims abstract description 9
- 206010057071 Rectal tenesmus Diseases 0.000 description 5
- 208000012271 tenesmus Diseases 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000034994 death Effects 0.000 description 1
- 231100000517 death Toxicity 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003068 static effect Effects 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
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
- B66B5/26—Positively-acting devices, e.g. latches, knives
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
The present invention relates to elevators field, be specifically related to a kind of anti-fall elevator.The present invention discloses a kind of anti-fall elevator, it mainly includes the support being fastenedly connected with car, the guide rail arranged along elevator and anti-fall unit, it is characterized in that, described anti-fall unit includes the first gear, the second gear, roller, trigger element, connecting rod, elastic return part, support shaft；Trigger element is installed on support, by support shaft, roller and the first gear are freely rotatably mounted on support, guide rail is arranged between the first gear and roller, first gear is meshed with the flank of tooth of guide rail, roller rolls with the bright finish of guide rail and coordinates, making the second gear revolve round the sun around the first gear and engage each other by connecting rod, connecting rod is provided with the triggering hole that the triggering end plug-in type with trigger element coordinates.When triggering end withdraws from triggering hole, the elastic force effect by elastic return part makes the second gear engage with guide rail, and now the degree of freedom of mechanism is 0, and elevator can not run up and down, can realize the anti-fall of elevator.
Description
Technical field
The present invention relates to elevators field, particular but not exclusively relate to a kind of anti-fall elevator.
Background technology
When elevator occurs unexpected in some cases, elevator can drastically drop, and damages to the people taking elevator.Especially
Be when rescue worker the elevator being stuck in floor gap is being carried out personnel withdraw time, elevator can fall because of accident, because of tenesmus
Car and static body of wall can produce, to place's object between, the effect cut, and make some of the health of evacuating people
The car that position is dropped cuts.How to avoid elevator accidental falling, and then minimizing injury to personnel or injures and deaths become people
The problem that need solve.
Summary of the invention
It is an object of the invention to solve the problems referred to above, and a kind of anti-fall elevator is provided.
To this end, the present invention provides a kind of anti-fall elevator, it includes the support being fastenedly connected with car, along elevator layout
Guide rail, wirerope that traction machine is connected with car support and anti-fall unit, it is characterised in that described anti-fall unit includes the first tooth
Wheel, the second gear, guide rail, roller, trigger element, connecting rod, elastic return part, the first support shaft, the second support shaft, the 3rd support
Axle, trigger element is installed on support, is freely rotatably mounted on support by roller by the 3rd support shaft, by first
First gear is freely rotatably mounted on support by support shaft, is arranged at by guide rail between the first gear and roller, first
Gear is meshed with the flank of tooth of guide rail, and roller rolls with the bright finish of guide rail and coordinates, and makes the second gear around the first tooth by connecting rod
The axis revolution of wheel, makes the second gear freely rotatable relative to connecting rod by the second support shaft, the second gear and the first gear simultaneously
Engaging each other, connecting rod is provided with the triggering hole that end coordinates of triggering with trigger element, and triggering end coordinates with triggering hole plug-in type.
Specifically, when trigger end insert trigger hole time, the second gear on connecting rod be maintained at the first gear lower section and
Away from the position of the flank of tooth of guide rail, i.e. trigger end make the second gear not with the face of guide rail；Triggering is withdrawn from when triggering end
Kong Shi, by the elastic force effect of elastic return part make the second gear on connecting rod near the flank of tooth of guide rail, and make the second gear with
The face of guide rail also engages.
Obviously, when trigger end insert trigger hole time, the second gear on connecting rod is maintained at the top of the first gear and remote
On the position of the flank of tooth of guide rail, i.e. trigger end make the second gear not with the face of guide rail；Triggering hole is withdrawn from when triggering end
Time, make the second gear on connecting rod near the flank of tooth of guide rail by the elastic force effect of elastic return part, and make the second gear and lead
The face of rail also engages.
Specifically, when the second gear is not got involved, the second gear and the first gear engagement rotation, the first gear is mutual with guide rail
Engagement rotation；When the second gear is got involved, the tooth of the second gear and the tooth of guide rail are mutual to top, again because of the respective direction of motion
Roller position-limiting action because of rail back (bright finish), it is to avoid because when the second gear is got involved, produced active force makes guide rail become
Shape, therefore can make the first gear, the second gear and guide rail three be interlocked tightly to each other, due to the second gear with lead
The acting on top of rail prevents the first gear and the second gear to engage each other rotation, so that the first gear stops operating, i.e.
First gear also stops the engagement rotation with guide rail, thus prevents the tenesmus of elevator.
Beneficial effect
When elevator is properly functioning, the second gear is made to be maintained at the position of the flank of tooth away from guide rail by trigger element
On, the first gear is meshed with the flank of tooth of guide rail, the first pinion rotation, and then drives the second pinion rotation, and roller is along guide rail
Bright finish roll, the degree of freedom of the mechanism being made up of the first gear, the second gear, connecting rod, guide rail, roller is 1, so elevator energy
Normally run up and down；When fortuitous event occurs in elevator, trigger element is triggered, and triggers end and withdraws from from the triggering hole of connecting rod,
Make the second gear on connecting rod near the flank of tooth of guide rail by the elastic force effect of elastic return part, and make the second gear and guide rail
Face also engages, and now, the first gear, guide rail and the second gear three engage each other, by the first gear, the second gear,
The degree of freedom of the mechanism that connecting rod, guide rail, roller are constituted is 0, so elevator can not run up and down, especially since the second gear
Being positioned at the lower section of the first gear, elevator has the trend of operation downwards, and the first gear certainly will be made to engage downwards along guide rail, and
It is positioned at the second gear below the first gear to provide a rightabout active force and stop the rotation of the first gear.Cause
This, the anti-fall process of elevator is, triggers end and triggers, and the elastic force of elastic return part makes the first gear, the second gear and guide rail structure
Becoming meshing relation keep such meshing relation two-by-two two-by-two, such meshing relation prevents falling of elevator.
Employing gear engagement makes the degree of freedom of mechanism be 0, is different from employing circle wheel and makes degree of freedom be 0, and circle is taken turns easily first
Skid between the flank of tooth of gear and track, in turn result in elevator tenesmus；And use gear to engage, can make the first gear, the second gear,
Track this three be interlocked the most securely, has stopped the tenesmus of elevator.
Accompanying drawing explanation
In explanation below in reference to the accompanying drawing embodiment to being given as non-limiting example, the present invention and excellent
More property will be better understood, accompanying drawing is as follows:
Fig. 1 is the axonometric chart of anti-fall unit disclosed by the invention；
Fig. 2 is the axonometric chart after being removed by the support of the side in Fig. 1；
Fig. 3 is the front view of Fig. 1；
Fig. 4 is the front view of Fig. 2；
Fig. 5 is the schematic diagram that the second gear in Fig. 4 will be got involved；
Fig. 6-7 be connecting rod with trigger element couple schematic diagram；
Fig. 8 is the axonometric chart of support；
Fig. 9 is the axonometric chart of connecting rod；
Figure 10 is the partial sectional view of connecting rod in Fig. 9；
Figure 11 is the three-dimensional exploded view of the anti-fall unit in Fig. 1；
Figure 12-13 is the axonometric chart of trigger element；
Figure 14 is the schematic diagram of the anti-fall unit in embodiment 2；
Figure 15 is the partial perspective view of the anti-fall elevator in embodiment one；
Description of reference numerals
0. anti-fall unit；1. the first gear；2. guide rail；3. roller；4. the second gear；501. first support shafts；502. the
Two support shafts；503. the 3rd support shafts；6. support；7. connecting rod；8. spring；9. trigger element；10. sleeve；601. through hole；602.
Screwed hole；701. trigger hole；901. trigger end.
Detailed description of the invention
Embodiment one
As shown in Figure 1, Figure 2 with shown in Figure 11, the anti-fall unit 0 of elevator disclosed by the invention, it includes being fastenedly connected with car
Support the 6, first gear the 1, second gear 4, guide rail 2, roller 3, trigger element 9, connecting rod 7, spring the 8, first support shaft 501,
Second support shaft the 502, the 3rd support shaft 503, nut, packing ring, split pin and sleeve 10, trigger element 9 is installed by screw
On support 6, by the 3rd support shaft 503, roller 3 is freely rotatably mounted between two supports 6, by first
First gear 1 is freely rotatably mounted between two supports 6 by support axle 501, and guide rail 2 is arranged at the first gear 1 and rolling
Between wheel 3, the first gear 1 is meshed with the flank of tooth of guide rail 2, and 2 bright finish rollings of roller 3 and guide rail coordinate, and makes the by connecting rod 7
Two gears 4 revolve round the sun around the axis of the first gear 1, make the second relative connecting rod 7 of gear 4 freely by the second support shaft 502 simultaneously
Rotating, the second gear 4 engages each other with the first gear 1, and connecting rod 7 is provided with the triggering that the triggering end 901 with trigger element 9 coordinates
Hole 701, is triggered end 901 and coordinates with triggering hole 701 plug-in type, adjusted the position of the second gear 4 by sleeve 10, make the second gear
4 and first gear 1 respective median plane alignment, the support 6 that be will be located in the first gear 1 both sides by nut and packing ring is coupled,
Being cut by opening prevents nut loosening from dropping again.
As shown in Figure 3 and Figure 4, when triggering end 901 and inserting triggering hole 701, the second gear 4 on connecting rod 7 is maintained at
On the lower section of the first gear 1 and the position away from the flank of tooth of guide rail 2, i.e. trigger end 901 make the second gear 4 not with the tooth of guide rail 2
Face contacts, and now, spring 8 is in extended state.
As shown in Figure 6, the triggering end 901 of trigger element 9 inserts in the triggering hole 701 of connecting rod 7, and connecting rod 7 is limited in works as
Front position, i.e. connecting rod 7 is straight down.
As it is shown in fig. 7, the end 901 that triggers of trigger element 9 withdraws from the triggering hole 701 of connecting rod 7, the elastic force by spring 8 is made
With the second gear 4 made on connecting rod 7 near the flank of tooth of guide rail 2, and make the face of the second gear 4 and guide rail 2 and engage, as
Shown in Fig. 5.
As shown in Figure 8, support 6 is provided with and the first support shaft 501 and through hole 601 of the 3rd support shaft 503 matched in clearance,
It is additionally provided with the screwed hole 602 installing trigger element 9.
As shown in Figure 9 and Figure 10, the head and the tail two ends of connecting rod 7 are provided with and between the first support shaft 501 and the second support shaft 502
The through hole 601 that gap coordinates, the side of connecting rod 7 is provided with the triggering hole 701 that triggering end 901 plug-in type with trigger element 9 coordinates,
Triggering hole 701 is blind hole, blind hole and triggering end 901 matched in clearance, and the port of blind hole 701 is provided with chamfering, it is simple to trigger
End 901 insertion.
As shown in Figure 12 and Figure 13, the front end of trigger element 9 is provided with telescopic triggering end 901, passes through solenoid
Control to trigger the flexible of end 901.When triggering signal and applying with trigger element 9, trigger end 901 and retract.
When the second gear 4 is not got involved, the second gear 4 and the first gear 1 engagement rotation, the first gear 1 is mutual with guide rail 2
Engagement rotation；When the second gear 4 is got involved, the tooth of the second gear 4 and the tooth of guide rail 2 are the most right because of the respective direction of motion
Top, again because of roller 3 position-limiting action at guide rail 2 back side (bright finish), makes first gear the 1, second gear 4 and guide rail 2 three mutual
It is interlocked, due to the second gear 4 and guide rail 2, top effect is prevented engaging each other of the first gear 1 and the second gear 4
Rotating, so that the first gear 1 stops operating, the i.e. first gear 1 also stops the engagement rotation with guide rail 2, thus prevents electricity
The tenesmus of ladder.
As shown in figure 15, being the anti-fall elevator of one disclosed by the invention, four edges at the top of car are each provided with
One anti-fall unit 0, elevator anti-drop function can be automatically turned on by control unit, it is possible to artificial by the hand push button in car
Start.Trigger element 9 electrically couples with the control unit of elevator, when elevator breaks down, trigger element be automatically triggered or
Person artificially triggers.When artificially triggering, the electric power of trigger element is provided by the emergency battery being positioned at car top.
Embodiment two
Embodiment one will be positioned at the second gear 4 below support 6 it will be arranged on the top of support 6, insert when triggering end 901
When triggering hole 701, the second gear 4 on connecting rod 7 is maintained at the top of the first gear 1 and the position of the flank of tooth away from guide rail 2
On, i.e. trigger end 901 make the second gear 4 not with the face of guide rail 2；When triggering end 901 and withdrawing from triggering hole 701, by
The elastic force effect of spring 8 makes the second tooth 4 on connecting rod 7 take turns the flank of tooth near guide rail 2, and makes the flank of tooth of the second gear 4 and guide rail 2
Contact and engage, it is possible to realize the anti-fall of elevator.
Claims (3)
1. an anti-fall elevator, it support (6) including being fastenedly connected with car, the guide rail (2) arranged along elevator, traction
Wirerope that machine is connected with car support and anti-fall unit (0), it is characterised in that the anti-fall unit (0) of described elevator includes first
Gear (1), the second gear (4), roller (3), trigger element (9), connecting rod (7), elastic return part (8), support shaft (501,502,
503)；Trigger element (9) is installed on support (6), is installed rotatably by roller (3) by the 3rd support shaft (503)
On support (6), by the first support shaft (501), the first gear (1) is freely rotatably mounted on support (6), will lead
Rail (2) is arranged between the first gear (1) and roller (3), and the first gear (1) is meshed with the flank of tooth of guide rail (2), roller (3)
Roll with the bright finish of guide rail (2) and coordinate, make the second gear (4) revolve round the sun around the axis of the first gear (1) by connecting rod (7), with
Time make the second gear (4) relatively connecting rod (7) freely rotatable by the second support shaft (502), the second gear (4) and the first gear
(1) engaging each other, connecting rod (7) is provided with the triggering hole (701) that the triggering end (901) with trigger element (9) coordinates, and triggers end
(901) coordinate with triggering hole (701) plug-in type.
The anti-fall elevator of one the most according to claim 1, it is characterised in that described triggering end (901) inserts and triggers hole
(701), time, the second gear (4) on connecting rod (7) is maintained at the lower section of the first gear (1) and away from the flank of tooth of guide rail (2)
On position, i.e. trigger end (901) make the second gear (4) not with the face of guide rail (2)；Triggering is withdrawn from when triggering end (901)
During hole (701), the elastic force effect by elastic return part (8) makes the second gear (4) on connecting rod (7) near the tooth of guide rail (2)
Face, and make the face of the second gear (4) and guide rail (2) and engage.
The anti-fall elevator of one the most according to claim 1, it is characterised in that described triggering end (901) inserts and triggers hole
(701), time, the second gear (4) on connecting rod (7) is maintained at the top of the first gear (1) and away from the flank of tooth of guide rail (2)
On position, i.e. trigger end (901) make the second gear (4) not with the face of guide rail (2)；Triggering is withdrawn from when triggering end (901)
During hole (701), by the elastic force effect of elastic return part make the second gear (4) on connecting rod (7) near the flank of tooth of guide rail (2),
And make the face of the second gear (4) and guide rail (2) and engage.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410827575.0A CN104477724B (en) | 2014-12-29 | 2014-12-29 | Anti-fall elevator |
| AU2015100518A AU2015100518A4 (en) | 2014-12-29 | 2015-04-19 | Anti-falling elevator |
| AU2015100519A AU2015100519A4 (en) | 2014-12-29 | 2015-04-19 | Design method for anti-falling elevator |
| IE20150351A IE20150351A1 (en) | 2014-12-29 | 2015-09-10 | Anti-falling elevator |
| IES20150329A IES86758B2 (en) | 2014-12-29 | 2015-09-10 | Anti-falling elevator |
| GBGB1522986.7A GB201522986D0 (en) | 2014-12-29 | 2015-12-29 | Anti-falling elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410827575.0A CN104477724B (en) | 2014-12-29 | 2014-12-29 | Anti-fall elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104477724A CN104477724A (en) | 2015-04-01 |
| CN104477724B true CN104477724B (en) | 2016-08-17 |
Family
ID=52752373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410827575.0A Expired - Fee Related CN104477724B (en) | 2014-12-29 | 2014-12-29 | Anti-fall elevator |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN104477724B (en) |
| AU (2) | AU2015100518A4 (en) |
| GB (1) | GB201522986D0 (en) |
| IE (2) | IE20150351A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106477413A (en) * | 2015-08-27 | 2017-03-08 | 富士电梯（合肥）有限公司 | A kind of anti-fall device for elevator and its control method |
| CN108394785B (en) * | 2018-04-11 | 2023-07-04 | 波士顿电梯（湖州）有限公司 | Anti-falling safety device for freight elevator for building |
| CN110861992B (en) * | 2018-08-28 | 2021-07-23 | 辽宁逸立达电梯有限公司 | Elevator falling protection device |
| CN109761133B (en) * | 2019-03-26 | 2020-06-09 | 济南工程职业技术学院 | Knapsack formula elevator |
-
2014
- 2014-12-29 CN CN201410827575.0A patent/CN104477724B/en not_active Expired - Fee Related
-
2015
- 2015-04-19 AU AU2015100518A patent/AU2015100518A4/en not_active Ceased
- 2015-04-19 AU AU2015100519A patent/AU2015100519A4/en not_active Ceased
- 2015-09-10 IE IE20150351A patent/IE20150351A1/en not_active Application Discontinuation
- 2015-09-10 IE IES20150329A patent/IES86758B2/en not_active IP Right Cessation
- 2015-12-29 GB GBGB1522986.7A patent/GB201522986D0/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| IES20150329A2 (en) | 2016-06-29 |
| IE20150351A1 (en) | 2016-06-29 |
| AU2015100519A4 (en) | 2015-05-21 |
| AU2015100518A4 (en) | 2015-05-21 |
| GB201522986D0 (en) | 2016-02-10 |
| CN104477724A (en) | 2015-04-01 |
| IES86758B2 (en) | 2016-11-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhou Wen Inventor before: Gong Zhu |
|
| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160802 Address after: 528100, Guangdong province Foshan Sanshui District southwest Street Avenue 26, Kam Ying Jiayuan four, 106, two Patentee after: Guangdong 00 one electromechanical science and Technology Co., Ltd. Address before: 361021 Fujian, Jimei District, Jimei Avenue Waterfront District, building 2408, room 55, room Patentee before: Gong Zhu |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20161229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |