CN107640674A - A kind of elevator mechanical stopping device and its reset assembly - Google Patents
A kind of elevator mechanical stopping device and its reset assembly Download PDFInfo
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- CN107640674A CN107640674A CN201711098819.6A CN201711098819A CN107640674A CN 107640674 A CN107640674 A CN 107640674A CN 201711098819 A CN201711098819 A CN 201711098819A CN 107640674 A CN107640674 A CN 107640674A
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- support bar
- switch
- release link
- stopping device
- safety
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- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 9
- 238000010276 construction Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010001541 Akinesia Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The present invention relates to the safety device of elevator, and in particular to a kind of elevator mechanical stopping device and its reset assembly.Elevator mechanical stopping device includes fixed seat and the support bar being hinged in fixed seat, also include the reset assembly for being located at the close hall door mouth side of support bar, reset assembly includes the switch carrier being used in hoistway and the removable release link being assemblied on switch carrier, release link includes being used to drive support bar to turn to the operating portion of blocked state and the plug connector for switch carrier grafting coordinating, and plug connector is formed with switch carrier resets safety switch.In use, release link is removed, reset safety switch and disconnect, support bar is driven to blocked state, safety protection switch by operating portion and also disconnected, into inspecting state；Maintenance is finished, and support bar is packed up, safety protection switch closure, release link is put back into switch carrier, elevator safety loop is connected.Easy to operate, safety coefficient is high；Simple in construction, manufacturing cost is low, saves space.
Description
Technical field
The present invention relates to the safety device of elevator, and in particular to a kind of elevator mechanical stopping device and its reset group
Part.
Background technology
As economy continues to develop, villa quarter is more and more, based on resident family's demand, the home lift in villa
Can be more and more.But the elevator hoistways inside villa are mostly very narrow and small, well pit depth is also relatively shallower, and this just makes
It is difficult into pit overhaul.And the life security guarantee to maintenance personal during maintenance is extremely important, according to GB/
T21739-2008《Home lift manufactures and installation specification》Requirement, when the top layer of home lift and pit space cannot ensure
, it is necessary to install mechanical stopping device as auxiliary equipment to ensure safe space during the life security of maintenance staff.
Existing home elevator mechanical stopping device is typically monolithic construction.For example, the applying date is April 28 in 2012
Day, the Chinese patent document of Application No. 201220191942.9 disclose a kind of elevator pit safety device, the device
Including being fixed on the fixed seat of pit, one end be hingedly mounted on support bar in fixed seat, support bar has the prevention shape stood up
State and the collapsed state kept flat, fixed seat are provided with the Stop structure coordinated with the support bar block of blocked state, fixed seat and
The elastic component for making support bar press to Stop structure when standing up is additionally provided between support bar.When elevator needs maintenance, it is necessary to people
Member is introduced into pit, and then directly operation support bar erects it, and the support bar triggering safety protection switch after erecting is carried out
Action, elevator switch to inspecting state by normal operating condition.In the case where hoistway is too small, this device is awkward.
The applying date is that December 27, the Chinese patent document of Application No. 201621448651.8 in 2016 disclose one kind
Home elevator mechanical stopping device outside hoistway, it includes being arranged on support bar in pit in fixed seat, positioned at hoistway
Outer locating rack and the rope sheave being arranged on locating rack, rope sheave is by pull rope connection support bar, by rope sheave to pull rope
Folding and unfolding makes support bar erect or put down, and is additionally provided with pit and is in contact to form the contact-making switch of safety return circuit with support bar, support
Bar disengages switch and disconnects elevator safety loop during erecting.The device overall structure is complex, in fixed seat
Pull rope is set between the locating rack outside hoistway, the hoistway external space is taken, is arranged rope sling outside pull rope, needs to set in fixed seat
Line plate was put to guide pull rope, and easily the problem of rope tangled up and knotted occurs, influences use reliability.In addition, if branch
Broken down at strut and contact-making switch, personnel, which enter in the maintenance process after hoistway, still suffers from potential safety hazard, its safety guarantee
It is to be improved.
The content of the invention
The defects of in order to overcome prior art, it is an object of the invention to provide a kind of simple in construction, saving space, it is easy to grasp
Make and the elevator mechanical stopping device of job safety coefficient can be improved, present invention also offers the elevator mechanical stopping device
Reset assembly.
In order to realize the above object the technical scheme of elevator mechanical stopping device of the present invention is：
A kind of elevator mechanical stopping device, including the fixed seat for being fixed in hoistway and the support that is hinged in fixed seat
Bar, support bar have the blocked state stood up and the collapsed state kept flat, and fixed seat is provided with is located at blocked state in support bar
When disconnect the safety protection switch of safety return circuit, the mechanical stopping device also includes being located at the close hall door mouth side of support bar
Reset assembly, reset assembly include be used for be arranged on hoistway in switch carrier and the removable reset being assemblied on switch carrier
Bar, release link are included for driving support bar to turn to the operating portion of blocked state and for being inserted with what switch carrier grafting coordinated
Fitting, plug connector after switch carrier inserting with forming the reset safety switch for connecting safety return circuit.
The operating portion is fixed on one end of release link, and operating portion is hook-type folded structure.
The hook bottom of hook-type folded plate is provided with the hanging hole for being used for being fixed on release link on well enclosure.
The plug connector is contact pin, and switch carrier includes socket corresponding with contact pin and for the peace on well enclosure
Fill seat.
The contact pin be arranged in parallel with release link.
The support bar is hinged in fixed seat by hinge, and hinge is provided with the rotating wheel with support bar synchronous axial system,
Rotating wheel is provided with breach, when support bar goes to blocked state, the notch alignment safety protection switch on rotating wheel, makes switch
Automatically reset, disconnect safety return circuit.
Fixed seat is provided with Stop structure, and Stop structure is provided with the fluting being rotated into for support bar, the bottom land of fluting
Coordinate with the support bar block stood up, being additionally provided between fixed seat and support bar makes support bar press to Stop structure when standing up
Elastic component.
The technical scheme of the reset assembly of elevator mechanical stopping device of the present invention is：
A kind of reset assembly of elevator mechanical stopping device, including for the switch carrier in hoistway and removable be assemblied in
Release link on switch carrier, release link are included for driving support bar to reach the operating portion of blocked state and for switching branch
The plug connector that seat grafting coordinates, plug connector after switch carrier inserting with forming the reset safety switch for connecting safety return circuit.
The operating portion is fixed on one end of release link, and operating portion is hook-type folded structure, and the hook bottom of hook-type folded plate is set
Have the hanging hole for release link being fixed on well enclosure.
The plug connector is contact pin, and switch carrier includes socket corresponding with contact pin and for the peace on well enclosure
Seat is filled, the contact pin be arranged in parallel with release link.
Due to the implementation of above technical scheme, the present invention has the following technical effect that compared with prior art：
The elevator mechanical stopping device of the present invention when in use, release link is removed from switch carrier, the grafting in release link
Part departs from switch carrier so that resets safety switch and disconnects, then hand-holdable release link, will be propped up by the operating portion in release link
Strut driving reaches the blocked state stood up, and now safety protection switch also disconnects, and after two such switch motion, elevator enters
Safer inspecting state；Maintenance is finished, and support bar is packed up, and safety protection switch closure, maintainer leaves, will resetted
Bar puts back to switch carrier, resets safety switch closure, and elevator safety loop is connected, and elevator is in normal operating condition.Wherein, take
When putting release link, operated, disclosure satisfy that corresponding in GB/T21739-2008 at the hall door mouth that personnel can stand outside hoistway
It is required that.It is easy to operate compared with prior art, protected using dual-switch, and it is first to disconnect, close afterwards to reset safety switch, greatly
Safety coefficient during maintenance is added greatly.Device is located on the inside of hoistway, and overall structure is simple, and manufacturing cost is low, easy for installation, section
Save space.
Further, the operating portion in release link uses hook-type folded plate, is applicable the shaft-like profile of support bar, simple in construction,
It is easy to process.
Further, hanging hole is opened in the hook bottom being recessed on operating portion so that the structure design of release link is simple, is easy to
Realize that the hanging of the release link after plug connector coordinates with switch carrier is fixed.
Brief description of the drawings
Fig. 1 is schematic diagram of the elevator mechanical stopping device provided in an embodiment of the present invention in elevator normal operating condition；
Fig. 2 is the structural representation of the support component in Fig. 1；
Fig. 3 is the schematic diagram of another view of the support component in Fig. 1；
Fig. 4 is the structural representation of the reset assembly in Fig. 1；
Fig. 5 is schematic diagram of the reset safety switch in released state of reset assembly in Fig. 4；
Fig. 6 is the schematic diagram of elevator mechanical stopping device in operation；
Fig. 7 is schematic diagram of the elevator mechanical stopping device when elevator is in inspecting state.
Embodiment
Technical scheme is described in detail below by specific embodiment.
As shown in figure 1, elevator mechanical stopping device includes reset assembly 1 and support component, support component includes support bar 2
With fixed seat 3, one end of support bar 2 is hingedly mounted in fixed seat 3 by hinge, and support bar 2 has the blocked state stood up
With the collapsed state kept flat, the other end of support bar 2 is the support end for supporting car.
As shown in Figure 2 and Figure 3, the hinge on support bar 2 is horizontally disposed with, and is provided with rotating wheel 7 to the end rotation stop of hinge,
Support bar 2 around hinge shaft axis rotate during, the synchronous axial system of rotating wheel 7, rotating wheel 7 be provided with towards sunken inside breach, Gu
Safety protection switch 4 is additionally provided with reservation 3, safety protection switch 4 is being capable of automatically reset UPS switches.Gone in support bar 2
During blocked state, the breach on rotating wheel 7 is just directed at UPS switches so as to get out of the way, and realizes switch motion and automatically resets, disconnects
Safety return circuit.When support bar 2 is collapsed state, rotating wheel 7 compresses safety protection switch and connects circuit.Set in fixed seat 3
There is Stop structure 5, Stop structure 5 is installed in the flat board at the top of fixed seat 3 for level, and Stop structure 5 is provided with and supplies 2 turns of support bar
The dynamic fluting entered, the bottom land of fluting and the block of support bar 2 stood up coordinate.Elastic component is provided between support bar 2 and fixed seat 3
6, elastic component 6 is extension spring, and the homonymy of support bar 2 is located at Stop structure, and one end of extension spring is fixed on support bar 2
Hinge near, the other end is fixed in fixed seat 3, and in the presence of elastic component and Stop structure, support bar can be stably
Stand up.Fixed seat 3 includes bottom plate and two parallel risers being perpendicularly fixed on bottom plate, and bottom plate is provided with mounting hole, fixed seat 3
By being fixed on through the swollen bolt of mounting hole in hoistway on the bottom surface of pit 9.
As shown in Figure 4, Figure 5, reset assembly 1 includes the removable release link 11 being assembled together and switch carrier 15, resets
The upper end of bar 11 is provided with operating portion 12, and operating portion 12 is the hook-type folded plate of L-shaped, can hook support bar so as to drive its turn
Dynamic, hook bottom offers hanging hole, and hanging hole is up-small and down-big pear-shaped hole, and release link hanging is fixed on into hoistway bottom by the hanging hole
On the side wall in hole, the other end of release link 11 is provided with contact pin 13, and contact pin 13 be arranged in parallel with release link 11.Switch carrier 15 includes
Socket 16 and it is fixed on the mounting seat on hoistway madial wall, mounting seat by swollen bolt on the side wall of pit.Release link
11 are coordinated by the socket grafting on contact pin and switch carrier 15, form the reset safety switch for being connected into safety return circuit.Release link
11 hanging position can ensure in the socket of contact pin insertion switch carrier of lower end.Reset assembly 1 is located at hoistway inner bracing piece
Close hall door mouth 10 side, i.e., the position between support bar and hall door mouth, personnel station can be grasped outside hoistway
Make.
As shown in Figure 6, Figure 7, when needing to enter pit overhaul, maintainer station is in hall door mouth, by release link from switch
Removed on bearing, so reset safety switch and disconnect automatically, elevator safety loop disconnects, elevator akinesia.Then with reset
Bar operates support bar, support bar is in the blocked state stood up, the safety protection switch action of support bar, now elevator is in
Inspecting state, i.e., after safety protection switch and reset safety switch all act, elevator is in inspecting state.
After maintenance, support bar can be reset to collapsed state manually, now elevator is still in inspecting state, Awaiting Overhaul
After personal security leaves hoistway, then the initial position that release link is put back on switch carrier, as shown in figure 1, now safeguard protection
Two switches of switch and reset safety switch are completely in closure on-state, and elevator safety loop is connected, and elevator is in normal
Running status.
In the present embodiment, mechanical stopping device is the lower mechanical preventing device for being installed in pit.In other embodiments,
The above-mentioned mechanical stopping device of suitable dimension can be installed in car top or well headroom uses as upper mechanical preventing device.
In other embodiments, safety protection switch can also use UKS switches or other reset switches, corresponding to rotate
Wheel can also replace with switch baffle plate or cam etc., can ensure that switch disconnects safety return circuit when support bar is located at blocked state
.
In other embodiments, the operating portion of release link can also use U-lag or fork configuration, ensure that personnel are hand-held multiple
Position bar can drive support bar to turn to up to blocked state.Hanging hole in release link can also save, splicing position intensity foot
Directly release link can be fixed by switch carrier in the case of enough, clip or other fixed knots can be also set on well enclosure
Structure.
In other embodiments, the plug connector in release link can also use the structure of contact terminal of other forms, or grafting
Part is the socket of jack type, sets corresponding plug on switch carrier.
In the embodiment of the reset assembly of the elevator mechanical stopping device of the present invention, the structure of reset assembly and above-mentioned elevator
The structure of reset assembly is identical in the embodiment of mechanical stopping device, will not be repeated here.
The present invention is described in detail above, but protection scope of the present invention is not limited to above-described embodiment.All bases
The equivalent change or modification that the Spirit Essence of the present invention is made, it should all cover within the scope of the present invention.
Claims (10)
1. a kind of elevator mechanical stopping device, including the fixed seat for being fixed in hoistway and the support that is hinged in fixed seat
Bar, support bar have the blocked state stood up and the collapsed state kept flat, and fixed seat is provided with is located at blocked state in support bar
When disconnect safety return circuit safety protection switch, it is characterised in that：The mechanical stopping device also includes being located at leaning on for support bar
The reset assembly of nearly hall door mouth side, reset assembly include being used for the switch carrier being arranged in hoistway and removable are assemblied in switch
Release link on bearing, release link include being used to drive support bar to turn to the operating portion of blocked state and be used for and switch carrier
The plug connector that grafting coordinates, plug connector after switch carrier inserting with forming the reset safety switch for connecting safety return circuit.
2. elevator mechanical stopping device according to claim 1, it is characterised in that：The operating portion is fixed on release link
One end, operating portion are hook-type folded structure.
3. elevator mechanical stopping device according to claim 2, it is characterised in that：The hook bottom of hook-type folded plate, which is provided with, to be used for
Hanging hole release link being fixed on well enclosure.
4. according to the elevator mechanical stopping device described in claim 1 or 2 or 3, it is characterised in that：The plug connector is contact pin,
Switch carrier includes socket corresponding with contact pin and for the mounting seat on well enclosure.
5. elevator mechanical stopping device according to claim 4, it is characterised in that：The contact pin is parallel with release link to be set
Put.
6. elevator mechanical stopping device according to claim 1, it is characterised in that：The support bar is hinged on by hinge
In fixed seat, hinge is provided with the rotating wheel with support bar synchronous axial system, and rotating wheel is provided with breach, when support bar goes to prevention
During state, the notch alignment safety protection switch on rotating wheel, switch is automatically reset, disconnect safety return circuit.
7. the elevator mechanical stopping device according to claim 1 or 6, it is characterised in that：Fixed seat is provided with Stop structure,
Stop structure is provided with the fluting being rotated into for support bar, and the bottom land of fluting and the support bar block stood up coordinate, fixed seat
The elastic component for making support bar press to Stop structure when standing up is additionally provided between support bar.
A kind of 8. reset assembly of elevator mechanical stopping device, it is characterised in that：Including for the switch branch in hoistway
Seat and the removable release link being assemblied on switch carrier, release link include being used for the operating portion for driving support bar to reach blocked state
With the plug connector for coordinating with switch carrier grafting, plug connector after switch carrier inserting with forming for connecting safety return circuit
Reset safety switch.
9. reset assembly according to claim 8, it is characterised in that：The operating portion is fixed on one end of release link, behaviour
It is hook-type folded structure to make portion, and the hook bottom of hook-type folded plate is provided with the hanging hole for being used for being fixed on release link on well enclosure.
10. reset assembly according to claim 8 or claim 9, it is characterised in that：The plug connector is contact pin, switch carrier bag
Include socket corresponding with contact pin and be arranged in parallel for the mounting seat on well enclosure, the contact pin with release link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711098819.6A CN107640674B (en) | 2017-11-09 | 2017-11-09 | Elevator mechanical stopping device and reset assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711098819.6A CN107640674B (en) | 2017-11-09 | 2017-11-09 | Elevator mechanical stopping device and reset assembly thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107640674A true CN107640674A (en) | 2018-01-30 |
| CN107640674B CN107640674B (en) | 2024-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711098819.6A Active CN107640674B (en) | 2017-11-09 | 2017-11-09 | Elevator mechanical stopping device and reset assembly thereof |
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| Country | Link |
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| CN (1) | CN107640674B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109279471A (en) * | 2018-11-23 | 2019-01-29 | 西继迅达（许昌）电梯有限公司 | Integral type upper beam with upper mechanical preventing device |
| CN110054047A (en) * | 2019-04-16 | 2019-07-26 | 快意电梯股份有限公司 | Elevator only stop device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101061051A (en) * | 2004-05-05 | 2007-10-24 | 奥蒂斯电梯公司 | Safety device for operator protection in low-height shaft bottom end elevators and elevator equipped therewith |
| CN201825610U (en) * | 2010-04-15 | 2011-05-11 | 上海三菱电梯有限公司 | Device for realizing the safety in the maintenance space of the hoistway bottom of shallow pit elevator |
| CN102216188A (en) * | 2008-10-06 | 2011-10-12 | 通力股份公司 | Elevator arrangement |
| CN202558401U (en) * | 2012-04-28 | 2012-11-28 | 西继迅达（许昌）电梯有限公司 | Elevator pit safety protection device |
| CN205602901U (en) * | 2016-04-29 | 2016-09-28 | 西继迅达（许昌）电梯有限公司 | Domestic terraced pit prevents device with machinery |
| CN106494976A (en) * | 2015-09-07 | 2017-03-15 | 广东富本电梯有限公司 | A kind of hoistway door door lock short-circuit protection |
| CN106892309A (en) * | 2017-03-08 | 2017-06-27 | 浙江巨人控股有限公司 | Device is prevented under a kind of home lift |
| CN206288812U (en) * | 2016-12-27 | 2017-06-30 | 克莱斯电梯（中国）有限公司 | A kind of home elevator mechanical stopping device outside hoistway |
| CN207566643U (en) * | 2017-11-09 | 2018-07-03 | 西继迅达（许昌）电梯有限公司 | A kind of elevator mechanical stopping device and its reset assembly |
-
2017
- 2017-11-09 CN CN201711098819.6A patent/CN107640674B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101061051A (en) * | 2004-05-05 | 2007-10-24 | 奥蒂斯电梯公司 | Safety device for operator protection in low-height shaft bottom end elevators and elevator equipped therewith |
| CN102216188A (en) * | 2008-10-06 | 2011-10-12 | 通力股份公司 | Elevator arrangement |
| CN201825610U (en) * | 2010-04-15 | 2011-05-11 | 上海三菱电梯有限公司 | Device for realizing the safety in the maintenance space of the hoistway bottom of shallow pit elevator |
| CN202558401U (en) * | 2012-04-28 | 2012-11-28 | 西继迅达（许昌）电梯有限公司 | Elevator pit safety protection device |
| CN106494976A (en) * | 2015-09-07 | 2017-03-15 | 广东富本电梯有限公司 | A kind of hoistway door door lock short-circuit protection |
| CN205602901U (en) * | 2016-04-29 | 2016-09-28 | 西继迅达（许昌）电梯有限公司 | Domestic terraced pit prevents device with machinery |
| CN206288812U (en) * | 2016-12-27 | 2017-06-30 | 克莱斯电梯（中国）有限公司 | A kind of home elevator mechanical stopping device outside hoistway |
| CN106892309A (en) * | 2017-03-08 | 2017-06-27 | 浙江巨人控股有限公司 | Device is prevented under a kind of home lift |
| CN207566643U (en) * | 2017-11-09 | 2018-07-03 | 西继迅达（许昌）电梯有限公司 | A kind of elevator mechanical stopping device and its reset assembly |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109279471A (en) * | 2018-11-23 | 2019-01-29 | 西继迅达（许昌）电梯有限公司 | Integral type upper beam with upper mechanical preventing device |
| CN109279471B (en) * | 2018-11-23 | 2023-10-13 | 西继迅达电梯有限公司 | Integral upper beam with mechanical stopping device |
| CN110054047A (en) * | 2019-04-16 | 2019-07-26 | 快意电梯股份有限公司 | Elevator only stop device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107640674B (en) | 2024-04-09 |
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Address after: 461000 south section of Yanan Road, Xuchang economic and Technological Development Zone, Henan Applicant after: Xiji Xunda Elevator Co.,Ltd. Address before: 461000 south section of Yanan Road, Xuchang economic and Technological Development Zone, Henan Applicant before: XJ SCHINDLER (XUCHANG) ELEVATOR Co.,Ltd. |
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