CN105858396A - Device for preventing elevator car from moving accidentally - Google Patents
Device for preventing elevator car from moving accidentally Download PDFInfo
- Publication number
- CN105858396A CN105858396A CN201610317582.5A CN201610317582A CN105858396A CN 105858396 A CN105858396 A CN 105858396A CN 201610317582 A CN201610317582 A CN 201610317582A CN 105858396 A CN105858396 A CN 105858396A
- Authority
- CN
- China
- Prior art keywords
- car
- guide rail
- accidental movement
- elevator cage
- guide post
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention discloses a device for preventing an elevator car from moving accidentally. The device for preventing the elevator car from moving accidently comprises a base fixed to the elevator car. Guide rods are slidably arranged on the base in a penetrating mode. Electromagnetic chucks are installed at the ends, facing an elevator car guide rail, of the guide rods, and the electromagnetic chucks and the elevator car guide rail interact through magnetic force. Blocking pieces are fixed to the ends, backing onto the elevator car guide rail, of the guide rods. Reset springs are arranged between the base and the blocking pieces in an abutting mode. The axes of the guide rods are perpendicular to the extension direction of the elevator car guide rail. According to the device for preventing the elevator car from moving accidentally, the structure is simple, and installation is convenient; and electromagnets and the springs are combined, so that the situation that the elevator car moves accidently when passengers enter and come out of the elevator car due to the fact that the braking torque of a braking element of an elevator is insufficient is prevented.
Description
Technical field
The present invention relates to elevator technology field, be specifically related to a kind of dress preventing accidental movement of elevator cage
Put.
Background technology
Along with the quickening of Urbanization in China, the skyscraper in city gets more and more, and elevator is
The equipment that skyscraper is indispensable.Within nearly 2 years, elevator accident takes place frequently, and allows a lot of people all fear to take elevator,
The most sight of generation accident is: when elevator is stopped in landing area, and passenger is in turnover elevator process
In, lift car is moved suddenly and causes casualties.
The main cause that lift car moves generation is as follows:
(1) lift car breaks down because of certain electrical equipment or lost efficacy and produced lift car and move；
(2) use the time longer due to elevator, the braking member serious wear of elevator driving host,
Change braking member the most in time, during passenger enters car, owing to the change of car weight exceeds
Braking member existing braking moment so that lift car moves up or down.
When lift car produces mobile, if passenger is exactly between gate and hall door, it would be possible to
Passenger is caused injuries such as shearing and fall, the death of passenger time serious, can be caused.
Summary of the invention
The invention provides a kind of device preventing accidental movement of elevator cage, when unexpected shifting occurs in elevator
During dynamic condition, utilize magnechuck to hold cage guide, make lift car keep resting state, prevent
Come to harm because of car accidental movement when passenger passes in and out car.
A kind of device preventing accidental movement of elevator cage, including the pedestal fixed with car, described
Sliding on pedestal and be equipped with guide post, guide post is provided with and car guide rail towards one end of car guide rail
By the magnechuck of magnetic picture effect, one end of guide post car guide rail dorsad is fixed with block piece,
Back-moving spring has been compressed between described pedestal and block piece.
The device preventing accidental movement of elevator cage that the present invention provides, can be arranged on the upper of car
Portion, it is possible to be arranged on the bottom of car, or arrange in the upper and lower of car simultaneously, to play
Preferably braking effect.When the device preventing accidental movement of elevator cage works, it is meant that elevator needs
Keep in repair or repair and maintenance, by on-call maintenance and repair and maintenance, it is possible to the safety in utilization of hoisting elevator, extend
The service life of elevator.It is in level position at lift car, during passenger passes in and out lift car,
If lift car generation accidental movement, magnechuck is energized, and produces mutually suction between car guide rail
After the active force drawn, magnechuck and the mutual adhesive of car guide rail, lift car is relative to car guide rail
Keeping static, elevator stops movement up or down.
When magnechuck and the mutual adhesive of car guide rail, guide post opposite base slides, block piece
Promoting back-moving spring to compress, after accidental movement eliminates, under the effect of back-moving spring, electromagnetism is inhaled
Disk detachment car guide rail, lift car runs the most up and down.
The energising of magnechuck and power-off can be by Controls, and relay is by the security monitoring of elevator
Mechanism controls break-make, when accidental movement occurs in elevator, by the security monitoring mechanism controls relay of elevator
The unlatching of device and Guan Bi, and then control energising and the power-off of magnechuck.
Magnechuck can be to use various structures form, and the face that magnechuck contacts with car guide rail is
Smooth flat.
As preferably, the axis of described guide post is vertical with the bearing of trend of car guide rail.
The two ends of described guide post Motionless electromagnetic sucker and block piece respectively, therefore, magnechuck and resistance
The direction of motion of block piece is vertical with the bearing of trend of car guide rail.
Safe and reliable in order to ensure, it is preferable that described guide post and corresponding magnechuck, reset
Spring has two sets, is symmetrically arranged at the both sides of car guide rail.Magnechuck by both sides to car guide rail
Carry out adhesive, increase the suction-combining force, stop the accidental movement of lift car.
In order to ensure the steady mobile of magnechuck, it is preferable that described pedestal is provided with guide, leads
Being sliding combined with connecting plate on part, described magnechuck is arranged on this connecting plate by fixed mount.
Described guide is for the operating path of connecting plate, and then the operating path of restriction magnechuck,
When lift car generation accidental movement, magnechuck is inhaled rapidly with car guide rail with shortest path
Close.
As preferably, described guide is the gib block being distributed in the upper and lower both sides of magnechuck, described company
Fishplate bar is provided with the gathering sill matched with gib block.
The both sides up and down of each magnechuck are correspondingly provided with a gib block respectively, are fixed with in gathering sill
Shoe guide, promotes the wearability of connecting plate, extends the service life of connecting plate.
As preferably, being provided with buffering block between described pedestal and connecting plate, this buffering block is fixed on
On pedestal and/or connecting plate.
Described buffering block can be fixed on pedestal, or is fixed on connecting plate, it is also possible to simultaneously
Fixing buffering block on pedestal and connecting plate.Under the effect of back-moving spring, magnechuck leaves sedan-chair
Railway carriage or compartment guide rail, connecting plate is drawn close to pedestal, buffers block and on the one hand can limit connecting plate near pedestal
Extreme position, on the other hand, also absorbs impulsive force when connecting plate is close to pedestal.
As preferably, described pedestal has the housing around car guide rail distribution, and described guide post runs through
The sidewall of housing.Magnechuck, fixed mount, connecting plate and buffering block are in the inside of housing,
Block piece is in the outside of housing.
As preferably, one end of described guide post car guide rail dorsad is provided with the described back-moving spring of encirclement
Protected enclosure.Protected enclosure is used for protecting back-moving spring, makes back-moving spring not by external environment influence,
Extend the service life of back-moving spring, simultaneously, it is also possible to ensure the safety in utilization of device.
As preferably, described block piece is the packing ring offseted with back-moving spring, described protected enclosure against
The side of packing ring back-moving spring dorsad.One end of described guide post car guide rail dorsad passes packing ring successively
Be socketed with stop nut after protected enclosure.
Stop nut plays the effect of fixed protection case, simultaneously, it is also possible to the compression to back-moving spring
Degree is adjusted, and makes back-moving spring be capable of compression, and can rely on restoring force rapid band galvanic electricity
Magnetic-disc resets.
The device preventing accidental movement of elevator cage that the present invention provides, simple in construction, easy for installation,
Electric magnet is combined with spring, prevents from, because the braking moment of elevator brake element is not enough, causing
The car accidental movement accident that passenger passes in and out car and produces.
Accompanying drawing explanation
Fig. 1 is the front view that the present invention prevents the device of accidental movement of elevator cage；
Fig. 2 is the top view that the present invention prevents the device of accidental movement of elevator cage；
Fig. 3 is the side view that the present invention prevents the device of accidental movement of elevator cage；
Fig. 4 is that the A-A in Fig. 1 is to sectional view；
Fig. 5 be the present invention prevent accidental movement of elevator cage device braking time schematic diagram.
In figure: 1, pedestal；1-a, top board；1-b, sidewall；1-c, base plate；1-d, sidewall；1-e、
Sidewall；2, connecting plate；3, buffering block；4, protected enclosure；5, packing ring；6, stop nut；
7, guide post；8, locking nut；9, back-moving spring；10, spring pedestal；11, nut；12、
Fixed mount；13, bolt；14, shoe guide；15, gib block；16, magnechuck；17, car is led
Rail；18, rubber ring.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the present invention prevent the device of accidental movement of elevator cage be described in detail.
As shown in Figure 1 and Figure 2, a kind of device preventing accidental movement of elevator cage, including with car phase
Fixing pedestal 1, slide the guide post 7 being located on pedestal 1, is fixed on the electromagnetism at guide post 7 two ends
Sucker 16 and packing ring 5 and the back-moving spring 9 (compression spring) being pressed between pedestal 1 and packing ring 5.
As shown in Figure 3, Figure 4, pedestal 1 has the housing around car guide rail 17 distribution, and housing includes
Three pieces of sidewalls that top board 1-a, base plate 1-c and semi-surrounding car guide rail 17 are arranged, top board 1-a, base plate
1-c and sidewall weld are structure as a whole, and top board 1-a is parallel to each other with base plate 1-c, each sidewall and top board
1-a (or base plate 1-c) is mutually perpendicular to, and top board 1-a and base plate 1-c offers four circular holes respectively, passes through
The bolt running through circular hole fixes with lift car.
As shown in Figure 1 and Figure 2, guide post 7 is two, the axis of every guide post 7 and car guide rail 17
Bearing of trend is vertical, and sidewall 1-b and sidewall 1-d that housing two is positioned opposite are provided with for wearing guide post 7
Circular hole, do not install and on the sidewall 1-e of guide post 7, offer the circular hole for electrical cable inlet wire, circle
Hole site is pasted with rubber ring 18, and when protection electrical cable penetrates, external insulation sustains damage.
As it is shown in figure 1, magnechuck 16, back-moving spring 9, packing ring 5 are two sets, often set is led with one
To the supporting installation of bar 7, magnechuck 16 is arranged on guide post 7 one end towards car guide rail 17, packing ring
5 one end being arranged on guide post 7 car guide rail 17 dorsad, the car that two magnechucks 16 are arranged symmetrically with
The both sides of guide rail 17.
As Figure 1 and Figure 4, the top board 1-a and base plate 1-c of housing are respectively welded two groups of gib blocks 15,
Often group gib block 15 is slidably matched with one piece of connecting plate 2, and connecting plate 2 is rectangle, and often group gib block 15 is
Two, laying respectively at the both sides up and down of connecting plate 2, connecting plate 2 is provided with and is slidably matched with gib block 15
Gathering sill, be fixed with shoe guide 13 in gathering sill.
As it is shown in figure 1, one nut 11 of middle part welding of connecting plate 2, screw thread on guide post 7, pass through
Screw thread coordinates with nut 11, it is achieved fixing of connecting plate 2 position relative with guide post 7.
As shown in Figure 1 and Figure 2, magnechuck 16 is cuboid, magnechuck 16 by fixed mount 12 with
Connecting plate 2 fixes, and fixed mount 12 is fixed by four bolts 13 with connecting plate 2, sidewall 1-b and side
Offer four circular holes, each circular hole and a bolt 13 on wall 1-d corresponding, magnechuck 16 with
After fixed mount 12 is fixing, being realized by circular hole, connecting plate 2 is connected with the fixing of fixed mount 12.
As it is shown in figure 1, be bonded with rubber on the sidewall 1-b paralleled with connecting plate 2 of housing and sidewall 1-d
Two buffering blocks 3 of material, buffering block 3 is in the gap of housing sidewall and connecting plate 2, anti-
Only the bolt 13 on connecting plate 2 clashes into sidewall, buffering block 3 and the circular hole on sidewall 1-b and sidewall 1-d
Dislocation is arranged.
As it is shown in figure 1, magnechuck 16, fixed mount 12, connecting plate 2 and buffering block 3 are in base
The inner side of seat 1 housing, back-moving spring 9 is in the outside of housing, and guide post 7 passes sidewall 1-b and sidewall
The sheathed back-moving spring of part 9 outside 1-d, the outside welding of sidewall 1-b and sidewall 1-d is used for installing reset
The spring pedestal 10 of spring 9, has the boss stretched within back-moving spring 9 in the middle part of spring pedestal 10.
As shown in Figure 1 and Figure 2, the outside encirclement of back-moving spring 9 has protected enclosure 4, packing ring 5 and reset
Spring 9 offsets, and packing ring 5 and spring pedestal 10 cooperate, and limits moving radially of back-moving spring 9.
As shown in Figure 1 and Figure 2, the side of packing ring 5 back-moving spring 9 dorsad is welded with protected enclosure 4, leads
Stop nut 6 it is socketed with after bar 7 passes packing ring 5 and protected enclosure 4 successively, the most sheathed on guide post 7
Having the locking nut 8 leant with stop nut 6, the part band that guide post 7 passes locking nut 8 is limited
Position ring.
When elevator meets following condition simultaneously, the device that apparatus for controlling elevator provides to the present embodiment is sent out
Go out signal, make magnechuck 16 energising realize car and brake:
(1) detecting element detects the braking member serious wear of elevator driving host, braking member
Brake force diminish the normal work of impact；
(2) elevator is in lift car leveling, elevator car door system door opening state.
The device that the present embodiment provides realizes state during car braking, as it is shown in figure 5, magnechuck
16 energisings, in magnechuck 16, the magnetic flux of electric magnet closes through shell and the car guide rail 17 of Magnet
Closing, produce electromagnetic attraction, magnechuck 16 drives connecting plate 2 to move along gib block 15 by fixed mount 12
Dynamic, the two of car guide rail 17 lateral car guide rails 17 draw close, until with car guide rail 17 adhesive, sedan-chair
Railway carriage or compartment keeps resting state.
At magnechuck 16 during car guide rail 17, connecting plate 2 drives guide post 7 to car
Guide rail 17 moves, compression reseting spring 9, after lift car door system is closed, and magnechuck 16 power-off,
The electromagnetic force of magnechuck 16 disappears, and under the effect of back-moving spring 9, promotes guide post 7 to deviate from car
Guide rail 17 moves, guide post 7 drive connecting plate 2 and magnechuck 16 away from car guide rail 17, until
Till connecting plate 2 is collided with buffering block 3, magnechuck 16 discharges car guide rail 17, and car can be just
Often run.
The above only preferred embodiment with regard to the present invention is described in detail, but it is not intended that to this
The restriction of other modes that invention is implemented, every made on the basis of the present invention any amendment, equivalent
Replacement, improvement etc., being accordingly to be regarded as is the scope that is claimed of the present invention.
Claims (10)
1. prevent a device for accidental movement of elevator cage, including the pedestal fixed with car,
It is characterized in that, described pedestal slides is equipped with guide post, and guide post is towards one end of car guide rail
It is provided with car guide rail by the magnechuck of magnetic picture effect, the one of guide post car guide rail dorsad
End is fixed with block piece, has compressed back-moving spring between described pedestal and block piece.
Prevent the device of accidental movement of elevator cage the most as claimed in claim 1, it is characterised in that
The axis of described guide post is vertical with the bearing of trend of car guide rail.
Prevent the device of accidental movement of elevator cage the most as claimed in claim 1, it is characterised in that
Described guide post and accordingly magnechuck, back-moving spring have two sets, are symmetrically arranged at car and lead
The both sides of rail.
4. the device preventing accidental movement of elevator cage as described in claims 1 to 3 is arbitrary, its feature
Being, described pedestal is provided with guide, and guide is sliding combined with connecting plate, and described electromagnetism is inhaled
Dish is arranged on this connecting plate by fixed mount.
Prevent the device of accidental movement of elevator cage the most as claimed in claim 4, it is characterised in that
Described guide is the gib block being distributed in the upper and lower both sides of magnechuck, and described connecting plate is provided with and leads
The gathering sill matched to bar.
Prevent the device of accidental movement of elevator cage the most as claimed in claim 4, it is characterised in that
Being provided with buffering block between described pedestal and connecting plate, this buffering block is fixed on pedestal and/or connecting plate
On.
7. the device preventing accidental movement of elevator cage as described in claims 1 to 3 is arbitrary, its feature
Being, described pedestal has the housing around car guide rail distribution, and described guide post runs through the side of housing
Wall.
8. the device preventing accidental movement of elevator cage as described in claims 1 to 3 is arbitrary, its feature
Being, one end of described guide post car guide rail dorsad is provided with the protective cover surrounding described back-moving spring
Shell.
Prevent the device of accidental movement of elevator cage the most as claimed in claim 8, it is characterised in that
Described block piece is the packing ring offseted with back-moving spring, and described protected enclosure resets dorsad against packing ring bullet
The side of spring.
Prevent the device of accidental movement of elevator cage the most as claimed in claim 9, it is characterised in that
One end of described guide post car guide rail dorsad is socketed with spacing after passing packing ring and protected enclosure successively
Nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610317582.5A CN105858396A (en) | 2016-05-12 | 2016-05-12 | Device for preventing elevator car from moving accidentally |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610317582.5A CN105858396A (en) | 2016-05-12 | 2016-05-12 | Device for preventing elevator car from moving accidentally |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105858396A true CN105858396A (en) | 2016-08-17 |
Family
ID=56632053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610317582.5A Pending CN105858396A (en) | 2016-05-12 | 2016-05-12 | Device for preventing elevator car from moving accidentally |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105858396A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111973337A (en) * | 2020-08-26 | 2020-11-24 | 希铭(江苏)光学科技发展有限公司 | Full-automatic vision ophthalmic surgery device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1902993A1 (en) * | 2006-09-19 | 2008-03-26 | Wittur AG | Auto resetting mechanism for a BCU type brake arresting device |
| CN102367130A (en) * | 2011-09-28 | 2012-03-07 | 快意电梯有限公司 | Clamping guide rail type protection device for preventing cage from accidently moving |
| CN202670952U (en) * | 2012-02-29 | 2013-01-16 | 浙江师范大学 | Manual emergency braking safe elevator |
| CN102942089A (en) * | 2012-11-26 | 2013-02-27 | 杭州沪宁电梯配件有限公司 | Electromagnetic rail clamping device |
| CN203450990U (en) * | 2013-08-07 | 2014-02-26 | 珠海市菱丰电梯有限公司 | Elevator car both anti-running safety device |
| CN104781174A (en) * | 2012-11-15 | 2015-07-15 | 奥的斯电梯公司 | Elevator brake |
| CN105384029A (en) * | 2015-10-31 | 2016-03-09 | 路天民 | Multipurpose electromagnetic safety brake for vertical elevator |
| CN205739864U (en) * | 2016-05-12 | 2016-11-30 | 西子优耐德电梯有限公司 | A kind of device preventing accidental movement of elevator cage |
-
2016
- 2016-05-12 CN CN201610317582.5A patent/CN105858396A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1902993A1 (en) * | 2006-09-19 | 2008-03-26 | Wittur AG | Auto resetting mechanism for a BCU type brake arresting device |
| CN102367130A (en) * | 2011-09-28 | 2012-03-07 | 快意电梯有限公司 | Clamping guide rail type protection device for preventing cage from accidently moving |
| CN202670952U (en) * | 2012-02-29 | 2013-01-16 | 浙江师范大学 | Manual emergency braking safe elevator |
| CN104781174A (en) * | 2012-11-15 | 2015-07-15 | 奥的斯电梯公司 | Elevator brake |
| CN102942089A (en) * | 2012-11-26 | 2013-02-27 | 杭州沪宁电梯配件有限公司 | Electromagnetic rail clamping device |
| CN203450990U (en) * | 2013-08-07 | 2014-02-26 | 珠海市菱丰电梯有限公司 | Elevator car both anti-running safety device |
| CN105384029A (en) * | 2015-10-31 | 2016-03-09 | 路天民 | Multipurpose electromagnetic safety brake for vertical elevator |
| CN205739864U (en) * | 2016-05-12 | 2016-11-30 | 西子优耐德电梯有限公司 | A kind of device preventing accidental movement of elevator cage |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111973337A (en) * | 2020-08-26 | 2020-11-24 | 希铭(江苏)光学科技发展有限公司 | Full-automatic vision ophthalmic surgery device |
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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 | ||
| CB02 | Change of applicant information |
Address after: 311305 Hangzhou, Ling'an Qingshan Lake Street science and technology Avenue, No. 2329 Applicant after: Xizi Elevator Technology Co. Ltd. Address before: 311305 Hangzhou, Ling''an Qingshan Lake Street science and technology Avenue, No. 2329 Applicant before: Xizi Unite Elevator Co., Ltd. |
|
| COR | Change of bibliographic data | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160817 |