CN104495561B - The anti-fall unit of elevator - Google Patents

The anti-fall unit of elevator Download PDF

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Publication number
CN104495561B
CN104495561B CN201410830208.6A CN201410830208A CN104495561B CN 104495561 B CN104495561 B CN 104495561B CN 201410830208 A CN201410830208 A CN 201410830208A CN 104495561 B CN104495561 B CN 104495561B
Authority
CN
China
Prior art keywords
gear
guide rail
connecting rod
elevator
tooth
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.)
Active
Application number
CN201410830208.6A
Other languages
Chinese (zh)
Other versions
CN104495561A (en
Inventor
龚柱
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Science And Technology Innovation Service Center Of Hunan Miluo Circular Economy Industrial Park
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to CN201610390774.9A priority Critical patent/CN105905738A/en
Application filed by Individual filed Critical Individual
Priority to CN201610391018.8A priority patent/CN106044457A/en
Priority to CN201410830208.6A priority patent/CN104495561B/en
Priority to CN201610388151.8A priority patent/CN105905736A/en
Priority to CN201610387478.3A priority patent/CN105883524A/en
Priority to CN201610389322.9A priority patent/CN105905737A/en
Priority to CN201610387125.3A priority patent/CN105858397A/en
Priority to CN201610390773.4A priority patent/CN106044456A/en
Publication of CN104495561A publication Critical patent/CN104495561A/en
Priority to AU2015100521A priority patent/AU2015100521A4/en
Priority to AU2015100520A priority patent/AU2015100520A4/en
Priority to IE20150346A priority patent/IE20150346A1/en
Priority to IES20150313A priority patent/IES86743B2/en
Priority to GBGB1522982.6A priority patent/GB201522982D0/en
Application granted granted Critical
Publication of CN104495561B publication Critical patent/CN104495561B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/16Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
    • B66B5/26Positively-acting devices, e.g. latches, knives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/16Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0043Devices enhancing safety during maintenance
    • B66B5/005Safety of maintenance personnel

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 the anti-fall unit of a kind of elevator.The present invention discloses the anti-fall unit of a kind of elevator, it includes the support being fastenedly connected with car, the guide rail arranged along elevator, it is characterized in that, described anti-fall unit also 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

The anti-fall unit of elevator
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, 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 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 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 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 8, support shaft 5, nut, pad Circle, split pin and sleeve 10, trigger element 9 is installed on support 6 by screw, can freely be turned by roller 3 by support shaft 5 Be installed between two supports 6 dynamicly, by support shaft 5 first gear 1 is freely rotatably mounted at two supports 6 it Between, guide rail 2 being arranged between the first gear 1 and roller 3, the first gear 1 is meshed with the flank of tooth of guide rail 2, roller 3 and guide rail 2 bright finish roll coordinate, by connecting rod 7 make the second gear 4 around the first gear 1 axis revolve round the sun, the second gear 4 is relative simultaneously Connecting rod 7 is freely rotatable, and the second gear 4 engages each other with the first gear 1, and connecting rod 7 is provided with the triggering end 901 with trigger element 9 The triggering hole 701 coordinated, 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 the alignment of the first gear 1 respective median plane, will be located in the first gear 1 both sides by nut and packing ring Support 6 couples, then is 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, 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 unit for elevator, it support (6) including being fastenedly connected with car, the guide rail (2) arranged along elevator, It is characterized in that, the anti-fall unit of described elevator also includes the first gear (1), the second gear (4), roller (3), trigger element (9), connecting rod (7), elastic return part (8), support shaft (5);Trigger element (9) is installed on support (6), by support shaft (5) Roller (3) is freely rotatably mounted on support (6), by support shaft (5), the first gear (1) is pacified rotatably It is loaded on support (6), guide rail (2) is arranged between the first gear (1) and roller (3), the first gear (1) and guide rail (2) The flank of tooth is meshed, and roller (3) rolls with the bright finish of guide rail (2) and coordinates, and makes the second gear (4) around the first tooth by connecting rod (7) The axis revolution of wheel (1), the second gear (4) connecting rod (7) relatively is freely rotatable simultaneously, the second gear (4) and the first gear (1) phase Mutually engagement, connecting rod (7) is provided with the triggering hole (701) that the triggering end (901) with trigger element (9) coordinates, trigger end (901) and Trigger hole (701) plug-in type to coordinate.
The anti-fall unit of a kind of elevator the most according to claim 1, it is characterised in that described triggering end (901) inserts and touches During hair engaging aperture (701), the second gear (4) on connecting rod (7) is maintained at the lower section of the first gear (1) and away from the tooth of guide rail (2) On the position in face, i.e. trigger end (901) make the second gear (4) not with the face of guide rail (2);Withdraw from when triggering end (901) When triggering hole (701), the elastic force effect by elastic return part (8) makes the second gear (4) on connecting rod (7) near guide rail (2) The flank of tooth, and make the face of the second gear (4) and guide rail (2) and engage.
The anti-fall unit of a kind of elevator the most according to claim 1, it is characterised in that described triggering end (901) inserts and touches During hair engaging aperture (701), the second gear (4) on connecting rod (7) is maintained at the top of the first gear (1) and away from the tooth of guide rail (2) On the position in face, i.e. trigger end (901) make the second gear (4) not with the face of guide rail (2);Withdraw from when triggering end (901) When triggering hole (701), the elastic force effect by elastic return part 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.
CN201410830208.6A 2014-12-29 2014-12-29 The anti-fall unit of elevator Active CN104495561B (en)

Priority Applications (13)

Application Number Priority Date Filing Date Title
CN201610387125.3A CN105858397A (en) 2014-12-29 2014-12-29 Elevator capable of completely eradicating falling
CN201610391018.8A CN106044457A (en) 2014-12-29 2014-12-29 Elevator
CN201410830208.6A CN104495561B (en) 2014-12-29 2014-12-29 The anti-fall unit of elevator
CN201610388151.8A CN105905736A (en) 2014-12-29 2014-12-29 Elevator capable of being prevented from falling
CN201610387478.3A CN105883524A (en) 2014-12-29 2014-12-29 Elevator working method capable of preventing dropping of elevator
CN201610389322.9A CN105905737A (en) 2014-12-29 2014-12-29 Elevator suitable for completely preventing falling
CN201610390774.9A CN105905738A (en) 2014-12-29 2014-12-29 Elevator working method
CN201610390773.4A CN106044456A (en) 2014-12-29 2014-12-29 Working method of elevator
AU2015100520A AU2015100520A4 (en) 2014-12-29 2015-04-19 Anti-falling unit for elevator
AU2015100521A AU2015100521A4 (en) 2014-12-29 2015-04-19 Design method for anti-falling unit for elevator
IES20150313A IES86743B2 (en) 2014-12-29 2015-09-10 Anti-falling unit for elevator
IE20150346A IE20150346A1 (en) 2014-12-29 2015-09-10 Anti-falling unit for elevator
GBGB1522982.6A GB201522982D0 (en) 2014-12-29 2015-12-29 Anti-falling unit for elevator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410830208.6A CN104495561B (en) 2014-12-29 2014-12-29 The anti-fall unit of elevator

Related Child Applications (7)

Application Number Title Priority Date Filing Date
CN201610390773.4A Division CN106044456A (en) 2014-12-29 2014-12-29 Working method of elevator
CN201610390774.9A Division CN105905738A (en) 2014-12-29 2014-12-29 Elevator working method
CN201610387478.3A Division CN105883524A (en) 2014-12-29 2014-12-29 Elevator working method capable of preventing dropping of elevator
CN201610387125.3A Division CN105858397A (en) 2014-12-29 2014-12-29 Elevator capable of completely eradicating falling
CN201610391018.8A Division CN106044457A (en) 2014-12-29 2014-12-29 Elevator
CN201610389322.9A Division CN105905737A (en) 2014-12-29 2014-12-29 Elevator suitable for completely preventing falling
CN201610388151.8A Division CN105905736A (en) 2014-12-29 2014-12-29 Elevator capable of being prevented from falling

Publications (2)

Publication Number Publication Date
CN104495561A CN104495561A (en) 2015-04-08
CN104495561B true CN104495561B (en) 2016-08-17

Family

ID=52937043

Family Applications (8)

Application Number Title Priority Date Filing Date
CN201610390774.9A Withdrawn CN105905738A (en) 2014-12-29 2014-12-29 Elevator working method
CN201610387125.3A Withdrawn CN105858397A (en) 2014-12-29 2014-12-29 Elevator capable of completely eradicating falling
CN201610389322.9A Withdrawn CN105905737A (en) 2014-12-29 2014-12-29 Elevator suitable for completely preventing falling
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
CN201410830208.6A Active CN104495561B (en) 2014-12-29 2014-12-29 The anti-fall unit of elevator
CN201610387478.3A Withdrawn CN105883524A (en) 2014-12-29 2014-12-29 Elevator working method capable of preventing dropping of elevator
CN201610391018.8A Withdrawn CN106044457A (en) 2014-12-29 2014-12-29 Elevator

Family Applications Before (5)

Application Number Title Priority Date Filing Date
CN201610390774.9A Withdrawn CN105905738A (en) 2014-12-29 2014-12-29 Elevator working method
CN201610387125.3A Withdrawn CN105858397A (en) 2014-12-29 2014-12-29 Elevator capable of completely eradicating falling
CN201610389322.9A Withdrawn CN105905737A (en) 2014-12-29 2014-12-29 Elevator suitable for completely preventing falling
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 (2)

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
CN201610391018.8A Withdrawn CN106044457A (en) 2014-12-29 2014-12-29 Elevator

Country Status (4)

Country Link
CN (8) CN105905738A (en)
AU (2) AU2015100520A4 (en)
GB (1) GB201522982D0 (en)
IE (2) IES86743B2 (en)

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* Cited by examiner, † Cited by third party
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

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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

Also Published As

Publication number Publication date
IE20150346A1 (en) 2016-06-29
CN104495561A (en) 2015-04-08
CN106044456A (en) 2016-10-26
CN105905737A (en) 2016-08-31
AU2015100521A4 (en) 2015-05-21
CN105905738A (en) 2016-08-31
GB201522982D0 (en) 2016-02-10
CN105883524A (en) 2016-08-24
AU2015100520A4 (en) 2015-05-21
IES20150313A2 (en) 2016-06-29
IES86743B2 (en) 2016-11-16
CN106044457A (en) 2016-10-26
CN105905736A (en) 2016-08-31
CN105858397A (en) 2016-08-17

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