CN105905738A - Elevator working method - Google Patents
Elevator working method Download PDFInfo
- Publication number
- CN105905738A CN105905738A CN201610390774.9A CN201610390774A CN105905738A CN 105905738 A CN105905738 A CN 105905738A CN 201610390774 A CN201610390774 A CN 201610390774A CN 105905738 A CN105905738 A CN 105905738A
- Authority
- CN
- China
- Prior art keywords
- gear
- guide rail
- connecting rod
- triggering
- elevator
- 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.)
- Withdrawn
Links
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
-
- 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
-
- 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
- B66B5/0043—Devices enhancing safety during maintenance
- B66B5/005—Safety of maintenance personnel
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
The invention relates to the field of elevators, in particular to an elevator working method and discloses an elevator fall-preventing unit. The elevator fall-preventing unit comprises a bracket connected with a lift car in a fastening manner, a guide rail arranged along an elevator shaft and is characterized by further comprising a first gear, a second gear, an idler wheel, a triggering unit, a connecting rod, an elastic recovery piece and a support shaft; the triggering unit is mounted on the bracket; the idler wheel and the first gear are mounted on the bracket in a free rotation manner through the support shaft; the guide rail is arranged between the first gear and the idler wheel; the first gear is meshed with the tooth face of the guide rail; the idler wheel is matched with the smooth surface of the guide rail in a rolling manner; the second rail rotates by the first gear through the connecting rod and is meshed with the first gear; the connecting rod is provided with a triggering hole, and the triggering hole is matched with the triggering end of the triggering unit in a plug-in manner. When the triggering end moves out of the triggering hole, the second gear is meshed with the guide rail through the elastic force of the elastic recovery piece, and at the moment, the degree of freedom of the mechanism is zero, so that the elevator cannot move up and down to prevent the elevator from falling.
Description
Technical field
The present invention relates to elevators field, particular but not exclusively relate to the anti-fall unit of a kind of 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 the anti-fall unit of a kind of elevator is provided.
To this end, the present invention provides the anti-fall unit of a kind of elevator, it includes support, the first tooth being fastenedly connected with car
Wheel, the second gear, guide rail, roller, trigger element, connecting rod, elastic return part, support shaft, trigger element is installed on support, logical
Cross support shaft to be freely rotatably mounted on support by roller, by support shaft, the first gear is freely rotatably mounted at
On support, being arranged at by guide rail between the first gear and roller, the first gear is meshed with the flank of tooth of guide rail, roller and guide rail
Bright finish rolls and coordinates, and makes the second gear revolve round the sun around the axis of the first gear by connecting rod, and the second gear is relative to connecting rod certainly simultaneously
By rotating, the second gear and the first gear engage each other, and connecting rod is provided with the triggering hole that end coordinates of triggering with trigger element, tactile
Make a start and trigger hole plug-in type and coordinate.
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, makes the second gear be maintained at away from guide rail by trigger element
On the position of the flank of tooth, the first gear is meshed with the flank of tooth of guide rail, the first pinion rotation, and then drives the second pinion rotation, rolling
Taking turns the bright finish along guide rail to 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 can run the most up and down;When fortuitous event occurs in elevator, trigger element is triggered, and triggers the end triggering from connecting rod
Hole is withdrawn from, makes 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 tooth
Taking turns and the face of guide rail engaging, now, the first gear, guide rail and the second gear three engage each other, by the first gear,
The degree of freedom of the mechanism that the second gear, connecting rod, guide rail, roller are constituted is 0, so elevator can not run up and down, especially since
Second gear is positioned at the lower section of the first gear, and elevator has the trend of operation downwards, certainly will make the first gear along guide rail to
Lower engagement, and be positioned at the second gear below the first gear and certainly will provide a rightabout active force and stop the first gear
Rotate.Therefore, the anti-fall process of elevator is, trigger end trigger, the elastic force of elastic return part make the first gear, the second gear and
Guide rail constitutes meshing relation keep such meshing relation two-by-two two-by-two, and 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 superiority thereof
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 two;
Description of reference numerals
1. the first gear;2. guide rail;3. roller;4. the second gear;5. support shaft;6. support;7. connecting rod;8. spring;9. trigger
Unit;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 of elevator disclosed by the invention, it includes the support being fastenedly connected with car
6, first gear the 1, second gear 4, guide rail 2, roller 3, trigger element 9, connecting rod 7, spring 8, support shaft 5, nut, packing ring, open
Mouth pin and sleeve 10, trigger element 9 is installed on support 6 by screw, by support shaft 5 by roller 3 rotatably
It is installed between two supports 6, by support shaft 5, first gear 1 is freely rotatably mounted between two supports 6, will
Guide 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 and 2 light of guide rail
Face rolls and coordinates, and makes the second gear 4 revolve round the sun around the axis of the first gear 1 by connecting rod 7, the second relative connecting rod 7 of gear 4 simultaneously
Freely rotatable, the second gear 4 engages each other with the first gear 1, and connecting rod 7 is provided with what the triggering end 901 with trigger element 9 coordinated
Trigger hole 701, trigger end 901 and coordinate with triggering hole 701 plug-in type, adjusted the position of the second gear 4 by sleeve 10, make second
Gear 4 and the alignment of the first gear 1 respective median plane, will be located in the support 6 of the first gear 1 both sides by nut and packing ring
Connect, then cut by opening and prevent nut loosening from dropping.
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 through hole 601 of support shaft 5 matched in clearance, is additionally provided with installation trigger element 9
Screwed hole 602.
As shown in Figure 9 and Figure 10, the head and the tail two ends of connecting rod 7 are provided with and the through hole 601 of support shaft 5 matched in clearance, connecting rod 7
Side be provided with trigger element 9 trigger the triggering hole 701 that coordinates of end 901 plug-in type, triggering hole 701 is blind hole, blind hole
With trigger end 901 matched in clearance, and the port of blind hole 701 is provided with chamfering, it is simple to triggers end 901 and inserts.
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.
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, and insert trigger when triggering end 901
During hole 701, the second gear 4 on connecting rod 7 is maintained on the top of the first gear 1 and the position away from the flank of tooth of guide rail 2,
That is, 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 bullet
The elastic force effect of spring 8 makes the second gear 4 on connecting rod 7 near the flank of tooth of guide rail 2, and makes the second gear 4 connect with the flank of tooth of guide rail 2
Touch and engage, it is possible to realize the anti-fall of elevator.
Claims (1)
1. a method of work for elevator, elevator includes that anti-fall unit, anti-fall unit include the support being fastenedly connected with car
(6), along elevator arrange guide rail (2), it is characterised in that the anti-fall unit of described elevator also include the first gear (1), second
Gear (4), roller (3), trigger element (9), connecting rod (7), elastic return part (8), support shaft (5);Trigger element (9) is installed on
On support (6), by support shaft (5), roller (3) is freely rotatably mounted on support (6), by support shaft (5) by
One gear (1) is freely rotatably mounted on support (6), is arranged between the first gear (1) and roller (3) by guide rail (2),
First gear (1) is meshed with the flank of tooth of guide rail (2), and roller (3) rolls with the bright finish of guide rail (2) and coordinates, and is made by connecting rod (7)
Second gear (4) wheel revolves round the sun around the axis of the first gear (1), and the second gear (4) connecting rod (7) relatively is freely rotatable simultaneously, the
Two gears (4) engage each other with the first gear (1), and connecting rod (7) is provided with what the triggering end (901) with trigger element (9) coordinated
Trigger hole (701), trigger end (901) and coordinate with triggering hole (701) plug-in type;
Described method of work, including: described triggering end (901) inserts when triggering hole (701), the second tooth on connecting rod (7)
Wheel (4) is maintained on the lower section of the first gear (1) and the position away from the flank of tooth of guide rail (2), i.e. triggers end (901) and makes the
Two gears (4) not with the face of guide rail (2);When triggering end (901) and withdrawing from triggering hole (701), by elastic return part
(8) elastic force effect makes the flank of tooth of the close guide rail (2) of the second gear (4) on connecting rod (7), and makes the second gear (4) and guide rail
(2) face also engages.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610390774.9A CN105905738A (en) | 2014-12-29 | 2014-12-29 | Elevator working method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610390774.9A CN105905738A (en) | 2014-12-29 | 2014-12-29 | Elevator working method |
CN201410830208.6A CN104495561B (en) | 2014-12-29 | 2014-12-29 | The anti-fall unit of elevator |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410830208.6A Division CN104495561B (en) | 2014-12-29 | 2014-12-29 | The anti-fall unit of elevator |
Publications (1)
Publication Number | Publication Date |
---|---|
CN105905738A true CN105905738A (en) | 2016-08-31 |
Family
ID=52937043
Family Applications (8)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610387478.3A Withdrawn CN105883524A (en) | 2014-12-29 | 2014-12-29 | Elevator working method capable of preventing dropping of elevator |
CN201610390773.4A Withdrawn CN106044456A (en) | 2014-12-29 | 2014-12-29 | Working method of elevator |
CN201610388151.8A Withdrawn CN105905736A (en) | 2014-12-29 | 2014-12-29 | Elevator capable of being prevented from falling |
CN201610390774.9A Withdrawn CN105905738A (en) | 2014-12-29 | 2014-12-29 | Elevator working method |
CN201610391018.8A Withdrawn CN106044457A (en) | 2014-12-29 | 2014-12-29 | Elevator |
CN201610389322.9A Withdrawn CN105905737A (en) | 2014-12-29 | 2014-12-29 | Elevator suitable for completely preventing falling |
CN201410830208.6A Active CN104495561B (en) | 2014-12-29 | 2014-12-29 | The anti-fall unit of elevator |
CN201610387125.3A Withdrawn CN105858397A (en) | 2014-12-29 | 2014-12-29 | Elevator capable of completely eradicating falling |
Family Applications Before (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610387478.3A Withdrawn CN105883524A (en) | 2014-12-29 | 2014-12-29 | Elevator working method capable of preventing dropping of elevator |
CN201610390773.4A Withdrawn CN106044456A (en) | 2014-12-29 | 2014-12-29 | Working method of elevator |
CN201610388151.8A Withdrawn CN105905736A (en) | 2014-12-29 | 2014-12-29 | Elevator capable of being prevented from falling |
Family Applications After (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610391018.8A Withdrawn CN106044457A (en) | 2014-12-29 | 2014-12-29 | Elevator |
CN201610389322.9A Withdrawn CN105905737A (en) | 2014-12-29 | 2014-12-29 | Elevator suitable for completely preventing falling |
CN201410830208.6A Active CN104495561B (en) | 2014-12-29 | 2014-12-29 | The anti-fall unit of elevator |
CN201610387125.3A Withdrawn CN105858397A (en) | 2014-12-29 | 2014-12-29 | Elevator capable of completely eradicating falling |
Country Status (4)
Country | Link |
---|---|
CN (8) | CN105883524A (en) |
AU (2) | AU2015100521A4 (en) |
GB (1) | GB201522982D0 (en) |
IE (2) | IES86743B2 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107128770B (en) * | 2017-05-11 | 2019-01-15 | 合肥工业大学 | One kind being used for vertical-lift elevator anti-falling self-locking device |
CN109179119B (en) * | 2018-09-18 | 2023-09-01 | 深圳市质量安全检验检测研究院 | Free falling test unloading protection device for elevator safety tongs |
CN109761133B (en) * | 2019-03-26 | 2020-06-09 | 济南工程职业技术学院 | Knapsack formula elevator |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2151123Y (en) * | 1993-02-23 | 1993-12-29 | 聊城市起重机械厂 | Self safety unit of lifting basket for construction |
JPH1059170A (en) * | 1996-08-13 | 1998-03-03 | Koei Sangyo Kk | Drop prevention device of rail lift and transportation machine |
US5931263A (en) * | 1997-03-13 | 1999-08-03 | Otis Elevator Company | Quasi-elliptical bidirectional progressive safety |
JP2005042842A (en) * | 2003-07-23 | 2005-02-17 | Mitsubishi Electric Corp | Braking device |
US7909142B2 (en) * | 2006-05-19 | 2011-03-22 | Hydro-Mobile Inc. | Braking device for elevating platform assembly |
CN201406237Y (en) * | 2009-04-16 | 2010-02-17 | 林兴 | Top control device of lifter |
CN104058312B (en) * | 2014-06-09 | 2016-03-30 | 徐州市工大三森科技有限公司 | A kind of limiter two release lock tank arrangement |
CN204342215U (en) * | 2014-12-29 | 2015-05-20 | 厦门艾卓工业设计有限公司 | The anti-fall unit of elevator |
-
2014
- 2014-12-29 CN CN201610387478.3A patent/CN105883524A/en not_active Withdrawn
- 2014-12-29 CN CN201610390773.4A patent/CN106044456A/en not_active Withdrawn
- 2014-12-29 CN CN201610388151.8A patent/CN105905736A/en not_active Withdrawn
- 2014-12-29 CN CN201610390774.9A patent/CN105905738A/en not_active Withdrawn
- 2014-12-29 CN CN201610391018.8A patent/CN106044457A/en not_active Withdrawn
- 2014-12-29 CN CN201610389322.9A patent/CN105905737A/en not_active Withdrawn
- 2014-12-29 CN CN201410830208.6A patent/CN104495561B/en active Active
- 2014-12-29 CN CN201610387125.3A patent/CN105858397A/en not_active Withdrawn
-
2015
- 2015-04-19 AU AU2015100521A patent/AU2015100521A4/en not_active Ceased
- 2015-04-19 AU AU2015100520A patent/AU2015100520A4/en not_active Ceased
- 2015-09-10 IE IES20150313A patent/IES86743B2/en not_active IP Right Cessation
- 2015-09-10 IE IE20150346A patent/IE20150346A1/en not_active Application Discontinuation
- 2015-12-29 GB GBGB1522982.6A patent/GB201522982D0/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
CN105905737A (en) | 2016-08-31 |
CN104495561A (en) | 2015-04-08 |
CN105905736A (en) | 2016-08-31 |
IES20150313A2 (en) | 2016-06-29 |
AU2015100521A4 (en) | 2015-05-21 |
CN105858397A (en) | 2016-08-17 |
AU2015100520A4 (en) | 2015-05-21 |
IE20150346A1 (en) | 2016-06-29 |
CN106044456A (en) | 2016-10-26 |
CN106044457A (en) | 2016-10-26 |
CN104495561B (en) | 2016-08-17 |
GB201522982D0 (en) | 2016-02-10 |
CN105883524A (en) | 2016-08-24 |
IES86743B2 (en) | 2016-11-16 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20160831 |
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WW01 | Invention patent application withdrawn after publication |