CN110255320A - Integrated backstop-locking safety device and elevator device - Google Patents
Integrated backstop-locking safety device and elevator device Download PDFInfo
- Publication number
- CN110255320A CN110255320A CN201910509482.6A CN201910509482A CN110255320A CN 110255320 A CN110255320 A CN 110255320A CN 201910509482 A CN201910509482 A CN 201910509482A CN 110255320 A CN110255320 A CN 110255320A
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- China
- Prior art keywords
- gear
- locking
- stopping bar
- fulcrum bearing
- locking level
- 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.)
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- 238000007373 indentation Methods 0.000 claims abstract description 23
- 238000007689 inspection Methods 0.000 claims abstract description 15
- 238000012423 maintenance Methods 0.000 claims description 6
- 230000004913 activation Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0043—Devices enhancing safety during maintenance
- B66B5/005—Safety of maintenance personnel
- B66B5/0056—Safety of maintenance personnel by preventing crushing
- B66B5/0068—Safety of maintenance personnel by preventing crushing by activating the safety brakes when the elevator car exceeds a certain upper or lower position in the elevator shaft
-
- 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
- B66B5/0056—Safety of maintenance personnel by preventing crushing
- B66B5/0075—Safety of maintenance personnel by preventing crushing by anchoring the elevator car or counterweight
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
A kind of integrated backstop-locking safety device in elevator car roof space, the integrated backstop-locking safety device includes fulcrum bearing, locking level and gear-stopping bar；The locking level and the gear-stopping bar are moved relative to the fulcrum bearing and are supported in the fulcrum bearing jointly by the fulcrum bearing, to constitute integrated backstop-locking safety device；Wherein when the locking level and the gear-stopping bar relative to the fulcrum bearing all in indentation position when, lift car is in normal load visitor's operating status；When the gear-stopping bar is in extended position relative to the fulcrum bearing, lift car can be in inspection travel state along the guiding rail in elevator；When the locking level is in extended position relative to the fulcrum bearing, lift car can be in the lock state relative to the position of the guiding rail.Present disclosure further relates to a kind of elevator device, and the elevator device includes the integrated backstop-locking safety device.
Description
Technical field
This disclosure relates to a kind of integrated backstop-locking safety devices, in particular to a kind of to be in elevator car top
Integrated backstop-locking safety device (integration stop-blocking safety device) in portion space.This
Disclosure further relates to a kind of elevator device, and the elevator device includes the integrated backstop-locking safety device.
Background technique
The usual very little of the headspace of lift car, stop device and locking device occupy most of space on roof.
The arrangement of early stage is stop device and locking device is top that is independent of each other and being located at carriage
The left and right sides (as depicted in figs. 1 and 2, respectively in two ends of top cross-bar) in space, in which:
1. locking device
With locking and parking function.When repairing the motor in the headspace in carriage, which can be with
Locking carriage simultaneously prevents its accidental movement.
The device provides enough intensity and enough safe spaces to protect operator.The device is filled with electrical safety
It sets.In the operating condition, elevator is out of service, and it is all invalid for running relevant any operation to elevator.
2. stop device
With limit function.When in carriage headspace in maintenance or installation personnel checked when, the device
Highest running position is limited, prevents top squeeze from injuring.
The device provides enough intensity and enough safe spaces to protect operator.The equipment is filled with electrical safety
It sets.In the operating condition, elevator is out of service, only allows to check driving.
So will save space if it can combine the two devices and reduce cost.
Summary of the invention
In order to overcome the above-mentioned defects in the prior art, it is proposed according to the general thought of present disclosure a kind of in elevator
Integrated backstop-locking safety device in car top space, the integrated backstop-locking safety device include bearing
Seat, locking level and gear-stopping bar.
The locking level and the gear-stopping bar are moved relative to the fulcrum bearing and are supported on jointly by the fulcrum bearing
In the fulcrum bearing, to constitute integrated backstop-locking safety device.
When the locking level and the gear-stopping bar relative to the fulcrum bearing all in indentation position when, lift car is in
Normal load visitor's operating status.
When the gear-stopping bar is in extended position relative to the fulcrum bearing, lift car can be along in elevator
Guiding rail is in inspection travel state.
When the locking level is in extended position relative to the fulcrum bearing, lift car can be relative to the guidance
The position of guide rail is in the lock state.
According to one aspect of the present disclosure, the extended position includes the first extended position and the second extended position.
When the locking level and the gear-stopping bar relative to the fulcrum bearing all in the first extended position when, lift car
Inspection travel state is in along the guiding rail in elevator.
When the gear-stopping bar is in the first extended position and the locking level relative to the branch relative to the fulcrum bearing
When holding seat and being in the second extended position, lift car is in the lock state relative to the position of the guiding rail.
According to the above-mentioned aspect of present disclosure, the top of lift car is arranged in the generally C-shaped fulcrum bearing
On one end of crossbeam.
Fulcrum bearing opening is respectively arranged on two opposite side walls of the fulcrum bearing.
The locking level and the gear-stopping bar can slide through the fulcrum bearing and be open and be supported on the bearing
In seat opening.
According to the above-mentioned various aspects of present disclosure, the gear-stopping bar is in C in the section perpendicular to its length direction
Shape.
The locking level is embedding to be set in the C-shaped gear-stopping bar and can slide relative to each other.
According to the above-mentioned various aspects of present disclosure, the first safety switch and the second safety are set in the fulcrum bearing
Switch.
When the locking level and the gear-stopping bar relative to the fulcrum bearing all in indentation position when, it is described first safety
Switch is active, while second safety switch is in unactivated state, and lift car is in normal load passenger traffic row
State.
When the locking level and the gear-stopping bar relative to the fulcrum bearing all in the first extended position when, described first
Safety switch is in unactivated state, while second safety switch is active, and lift car is along in elevator
Guiding rail be in inspection travel state.
According to the above-mentioned various aspects of present disclosure, locking level handle is set on the locking level and locking level is recessed
Portion.
Gear-stopping bar handle is set on the gear-stopping bar.
According to the above-mentioned various aspects of present disclosure, by pushing the gear-stopping bar handle can be in the indentation position
The gear-stopping bar and the locking level are moved jointly between first extended position.
By pushing the locking level handle can be between first extended position and second extended position singly
Solely move the locking level.
According to the above-mentioned various aspects of present disclosure, the first limit switch is additionally provided on the gear-stopping bar.
When a part of first limit switch is located in the locking level recess portion, the movement of the gear-stopping bar is utilized
First limit switch drives the locking level associated movement.
When pushing the locking level handle, described a part of first limit switch is moved back from the locking level recess portion
Out, so that first limit switch is activated by the locking level.
According to the above-mentioned various aspects of present disclosure, the second limit switch is additionally provided on the gear-stopping bar.
When pushing the second limit switch described in the gear-stopping bar handle to be arranged on the limit slope institute in the fulcrum bearing
Activation, the electronic signal indicating elevator control system that second limit switch issues ensure to move up in elevator and close
Slow down when safe space and stop, so that it is guaranteed that the safe space the top from the top of elevator cage to elevator.
According to the above-mentioned various aspects of present disclosure, gear-stopping bar handle limiting card is additionally provided in the fulcrum bearing
Pincers, for limiting moving range of the gear-stopping bar relative to the fulcrum bearing.
Locking level handle limit clamp are additionally provided on the gear-stopping bar, for limiting the locking level relative to described
The moving range and the actuating locking level handle of gear-stopping bar.
According to the above-mentioned various aspects of present disclosure, parking plate and limit are set on the guiding rail of side in elevator
Position plate.
When the locking level and the gear-stopping bar relative to the fulcrum bearing all in the first extended position when, the parking
Plate will not interfere with the locking level and the gear-stopping bar, and the lower edge of the limit plate can contact the gear-stopping bar, to limit
The movement of lift car processed, and then ensure the safe space the top from the top of elevator cage to elevator.
When the gear-stopping bar is in the first extended position and the locking level relative to the branch relative to the fulcrum bearing
When holding seat and being in the second extended position, the locking level is inserted into the parking plate.
According to the above-mentioned various aspects of present disclosure, wherein the height of the safe space is not less than 1700 millimeters.
According to the other side of present disclosure, the gear-stopping bar be spaced apart relative to each other with the locking level and
It is arranged in parallel relative to each other；Locking level handle is set on the locking level；Gear-stopping bar handle is set on the gear-stopping bar.
According to the above-mentioned other side of present disclosure, the first safety switch and the second peace are set in the fulcrum bearing
Full switch；When the locking level and the gear-stopping bar relative to the fulcrum bearing all in indentation position when, it is described first safety
Switch is active, while second safety switch is in unactivated state, and lift car is in normal load passenger traffic row
State；When the gear-stopping bar is in extended position relative to the fulcrum bearing, first safety switch, which is in, not to swash
State living, while second safety switch is active, lift car is in inspection along the guiding rail in elevator
Repair operating status.
According to the above-mentioned other side of present disclosure, by pushing the gear-stopping bar handle can be in the retraction position
It sets and the gear-stopping bar is individually moved between the extended position；By pushing the locking level handle can be in the retraction position
It sets and the locking level is individually moved between the extended position.
According to the above-mentioned other side of present disclosure, it is additionally provided with handle limiting component in the fulcrum bearing, uses
In the moving range of the limitation gear-stopping bar and the locking level relative to the fulcrum bearing.
According to the above-mentioned other side of present disclosure, two opposite edges of the handle limiting component are for limiting
Moving range of the locking level handle relative to the fulcrum bearing；The handle limiting component further includes two U-lag mouths, point
Not Dui Yingyu the indentation position and first extended position, the gear-stopping bar handle can be respectively at described two U-shapeds
In notch.
Structure based on the above present disclosure can be seen that the top cross-bar that the present invention utilizes fulcrum bearing in lift car
One end on support the locking level in nested structure setting and gear-stopping bar and set on the guiding rail of side in elevator
Set parking plate and limit plate (corresponding respectively to locking level and gear-stopping bar).This nested structure is by stop device in the prior art
Compactly combined with locking device, thus the technical solution in compared with the existing technology reduce the quantity of component and
Reduce occupying to the headspace of lift car.
A kind of elevator device is proposed according to the other side of present disclosure, wherein the elevator device includes institute as above
Integrated backstop-the locking safety device stated.
So far, it is better understood in order to which present disclosure detailed description in this is available, and in order in the disclosure
Appearance can preferably be realized the contribution of the prior art, and the disclosure quite widely outlines the interior of present disclosure
Hold.Certainly, the embodiment of present disclosure is described below and will form the theme of appended claims.
Similarly, it would be recognized by those skilled in the art that the design that the disclosure is based on can be easily used as designing it
The basis of its structure, method and system, for implementing several purposes of present disclosure.It is important, therefore, that appended right is wanted
It asks it will be understood that including such equivalent structure, as long as they are without departing from the spirit and scope of present disclosure.
Detailed description of the invention
Present disclosure will be better understood by following attached drawing those skilled in the art, and more can be clearly
The advantages of embodying present disclosure.Attached drawing described herein rather than all may be used only for the illustration purpose of selected embodiment
Can embodiment and be intended to not limit scope of the present disclosure.
Fig. 1 shows the stop device and locking device in the prior art in unactivated state, they are independent of one another
And the headspace that is located at carriage the left and right sides；
Fig. 2 shows the stop devices and locking device in the prior art being active, they are independent of each other
And it is located at the left and right sides of the headspace of carriage；
Fig. 3 shows the whole signal of integrated backstop-locking safety device according to one embodiment of the present disclosure
Figure；
Integrated backstop-lock under normal load visitor operating status according to present disclosure is shown respectively in Fig. 4 and Fig. 5
The plan view and perspective view of Dingan County's full device；
The integrated backstop under inspection travel state according to present disclosure-locking peace is shown respectively in Fig. 6 and Fig. 7
The plan view and perspective view of full device；
Being in relative to the position of guiding rail in lift car according to present disclosure is shown respectively in Fig. 8 and Fig. 9
The plan view and perspective view of integrated backstop-locking safety device under lock state；
The entirety that Figure 10 shows integrated backstop-locking safety device of another embodiment according to present disclosure is shown
It is intended to.
Specific embodiment
Below in conjunction with above-mentioned each attached drawing, the embodiment of present disclosure is specifically described.
Referring initially to Fig. 1 and Fig. 2, it can be seen that in the prior art be in unactivated state (Fig. 1) and state of activation
(they are carried on the top cross-bar 3 by the top cross-bar 3 of lift car to the stop device 1 and locking device 2 of (Fig. 2) respectively
Both ends), they are the left and right sides of headspace that is independent of each other and being located at lift car.Due to lift car
The usual very little of headspace, the stop device and locking device of this setting that is separated from each other will occupy the most of lift car
Headspace.
The general thought of present disclosure proposes a kind of integrated backstop in elevator car roof space-locking peace
Full device, the integrated backstop-locking safety device includes fulcrum bearing, locking level and gear-stopping bar.
The locking level and the gear-stopping bar are moved relative to the fulcrum bearing and are supported on jointly by the fulcrum bearing
In the fulcrum bearing, to constitute integrated backstop-locking safety device.
When the locking level and the gear-stopping bar relative to the fulcrum bearing all in indentation position when, lift car is in
Normal load visitor's operating status.
When the gear-stopping bar is in extended position relative to the fulcrum bearing, lift car can be along in elevator
Guiding rail is in inspection travel state.
When the locking level is in extended position relative to the fulcrum bearing, lift car can be relative to the guidance
The position of guide rail is in the lock state.
Fig. 3 shows the overall schematic of integrated backstop-locking safety device 6 according to present disclosure.
In Fig. 3, the top cross-bar 3 of lift car (not shown) is across between two guiding rails 4,5.According to this public affairs
Integrated backstop-the locking safety device 6 for opening content is carried on an end of top cross-bar.Fig. 3 is also shown that wherein
Parking plate 7 and limit plate 8 are set on one guiding rail 5.With moving upwards for the top cross-bar 3, the limit plate 8
Lower edge can be contacted with integrated backstop-locking safety device 6, to limit moving upwards for lift car, and then ensure from
The top of elevator cage to the safe space between the top of elevator.As the top cross-bar 3 moves to locating for parking plate 7
When position, the integrated backstop-locking safety device 6 can cooperate with the parking plate 7, so that lift car is locked in this
On position.
Specific structure and the work of the integrated backstop-locking safety device 6 are described in detail below in conjunction with Fig. 4 to Figure 10
Principle.
According to one embodiment of the present disclosure, propose it is a kind of in elevator car roof space it is integrated only
Gear-locking safety device 6, the integrated backstop-locking safety device 6 include fulcrum bearing 9, locking level 10 and gear-stopping bar 11.
The locking level 10 and the gear-stopping bar 11 are moved relative to the fulcrum bearing 9 and are propped up by the fulcrum bearing 9
Support.
The locking level 10 and the gear-stopping bar 11 are arranged to nested structure and can be movable with respect to each other.
When the locking level 10 and the gear-stopping bar 11 relative to the fulcrum bearing 9 all in indentation position when (such as Fig. 4 and
Shown in Fig. 5), lift car is in normal load visitor's operating status.
When the locking level 10 and the gear-stopping bar 11 relative to the fulcrum bearing 9 all in the first extended position when (such as
Shown in Fig. 6 and Fig. 7), lift car is in inspection travel state along the guiding rail in elevator.
When the gear-stopping bar 11 is in the first extended position and the locking level 10 relative to institute relative to the fulcrum bearing 9
State (as shown in Figure 8 and Figure 9) when fulcrum bearing 9 is in the second extended position, position of the lift car relative to the guiding rail
It is in the lock state.
According to above-described embodiment of present disclosure, the top of lift car is arranged in the generally C-shaped fulcrum bearing 9
On one end of portion's crossbeam 3.
Fulcrum bearing opening 9-1 is respectively arranged on two opposite side walls of the fulcrum bearing 9.
The locking level 10 and the gear-stopping bar 11 can slide through the fulcrum bearing opening 9-1 and be supported on institute
It states in fulcrum bearing opening 9-1.
According to above-described embodiment of present disclosure, the gear-stopping bar 11 is in C in the section perpendicular to its length direction
Shape and there is gear-stopping bar along its length to be open 11-2 (as shown in Figure 7).
The locking level 10 is embedding to be set in the C-shaped gear-stopping bar 11 and can be relative to the gear-stopping bar 11
Sliding.
According to above-described embodiment of present disclosure, the first safety switch 12 and the second peace are set in the fulcrum bearing 9
Full switch 13.
When the locking level 10 and the gear-stopping bar 11 relative to the fulcrum bearing 9 all in indentation position when, described
One safety switch 12 is active, while second safety switch 13 is in unactivated state, and lift car is in just
Normal carrying operating status.
When the locking level 10 and the gear-stopping bar 11 relative to the fulcrum bearing 9 all in the first extended position when, institute
It states the first safety switch 12 and is in unactivated state, while second safety switch 13 is active, lift car edge
Guiding rail 4,5 in elevator be in inspection travel state.
According to above-described embodiment of present disclosure, locking level handle 10-1 and locking level are set on the locking level 10
Recess portion 10-2.The locking level handle 10-1 can be open in 11-2 in the gear-stopping bar and slide.
Gear-stopping bar handle 11-1 is set on the gear-stopping bar 11.
According to above-described embodiment of present disclosure, by pushing the gear-stopping bar handle 11-1 can be in the retraction position
It sets and moves the gear-stopping bar 11 and the locking level 10 jointly between first extended position.
By push the locking level handle 10-1 can first extended position and second extended position it
Between the locking level 10 is individually moved.
According to above-described embodiment of present disclosure, the first limit switch 14 is additionally provided on the gear-stopping bar 11.
When a part of first limit switch 14 is located in the locking level recess portion 10-2, the gear-stopping bar 11
Movement drives 10 associated movement of locking level using first limit switch 14.
When pushing 10 handle of locking level, described a part of first limit switch 14 is recessed from the locking level
Portion 10-2 is withdrawn, so that first limit switch 14 is activated by the locking level 10.
According to above-described embodiment of present disclosure, the second limit switch 15 is additionally provided on the gear-stopping bar 11.
When pushing the second limit switch 15 described in the gear-stopping bar handle 11-1 to be arranged on the limit in the fulcrum bearing 9
Slope (not shown) is activated, and the electronic signal indicating elevator control system that second limit switch 15 issues ensures in elevator
Move up and close to safe space when slow down and stops, so that it is guaranteed that the top from the top of elevator cage to elevator it
Between safe space.
According to above-described embodiment of present disclosure, gear-stopping bar handle limit clamp are additionally provided in the fulcrum bearing 9
9-2, for limiting moving range of the gear-stopping bar 11 relative to the fulcrum bearing 9.
Locking level handle limit clamp 11-3 is additionally provided on the gear-stopping bar 11, for limiting 10 phase of locking level
For the gear-stopping bar 11 moving range (i.e. extension elongation of the locking level relative to gear-stopping bar at the second extended position) with
And actuating (promotion) described locking level handle 11-1.
According to above-described embodiment of present disclosure, parking plate 7 and limit are set on the guiding rail 5 of side in elevator
Position plate 8 (as shown in Figure 3), wherein the distance at top of the lower edge of limit plate 8 away from elevator can satisfy operation maintenance personal
Safety requirements, such as, but not limited to be not less than 1700 millimeters.
When the locking level 10 and the gear-stopping bar 11 relative to the fulcrum bearing 9 all in the first extended position when, institute
Stating parking plate 7 will not interfere with the locking level 10 and the gear-stopping bar 11, and the lower edge of the limit plate 8 can contact described stop
Bar 11, so that the limit plate 8 can also limit the upward fortune of lift car even if second limit switch 15 fails
It is dynamic, and then ensure the safe space the top from the top of elevator cage to elevator.
When the gear-stopping bar 11 is in the first extended position and the locking level 10 relative to institute relative to the fulcrum bearing 9
When stating fulcrum bearing 9 and being in the second extended position, the locking level 10 is inserted into the parking plate 7.
According to above-described embodiment of present disclosure, the height of the safe space is not less than 1700 millimeters.
Based on the above structure, maintenance operation personnel will proceed as follows operation.
At Fig. 4 and elevator normal load visitor's operating status shown in fig. 5, integrated backstop-locking safety device 6 is in contracting
Carry is set, i.e. locking level 10 and gear-stopping bar 11 is in indentation position；First safety switch 12 is active, and the second peace
Full switch is in unactivated state.
When maintenance operation personnel are ready for maintenance, they can be pushed away to the right the gear-stopping bar handle 11-1 (from figure
4-5 changes to Fig. 6-7), it is described when being located in the locking level recess portion 10-2 due to a part of first limit switch 14
The movement of gear-stopping bar 11 determines hand to the jam plate using first limit switch 14 and locking level handle limit clamp 11-3
The actuating of handle 10-1 drives 10 associated movement of locking level, and to the first extended position, (gear-stopping bar handle 11-1 is by backstop at this time
Bar handle limit clamp 9-2 stops and can not continue to move to).Elevator is in inspection travel state, and the first safety switch 1 synchronizes disconnected
It opens, and 2 synchronized links of the second safety switch, the second limit switch 15 can be by limiting ramp activation, it is ensured that elevator is to moving up
Dynamic and close to limited safe space when, slows down and stops, it can ensure that the top from the top of elevator cage to elevator it
Between safe space height be not less than 1700 millimeters.When the locking level 10 and the gear-stopping bar 11 are relative to the fulcrum bearing
9 all in the first extended position when, the parking plate 7 will not interfere with the locking level 10 and the gear-stopping bar 11, and the limit
Position plate 8 lower edge can contact the gear-stopping bar 11, thus even if second limit switch 15 because failure fails, the limit
Position plate 8 can also limit moving upwards for lift car, and then ensure the top from the top of elevator cage to elevator
Safe space.
When elevator runs to the position overhauled (such as 7 present position of parking plate), operator pushes lock
Fixed pole handle 10-1 (changes to Fig. 8-9 from Fig. 6-7), and the gear-stopping bar 11 is relative to the fulcrum bearing 9 still in first at this time
Extended position, and the locking level 10 is in the second extended position (locking level handle limit clamp relative to the fulcrum bearing 9
11-3 will limit the motion range of the locking level 10), the first limit switch 14 from the locking level recess portion 10-2 withdraw from
And be activated, the locking level 10 is inserted into the parking plate 7, thereby may be ensured that and elevator is parked on guiding rail.
When needing to be restored to normal load visitor's operating status, operator can push away locking level handle 10-1 to the left, this
Shi Suoshu gear-stopping bar 11 is relative to the fulcrum bearing 9 still in the first extended position, and the locking level 10 is relative to the branch
It holds seat 9 to return to the first extended position (changing to Fig. 6 from Fig. 8) from the second extended position, a part weight of the first limit switch 14
Newly into the locking level recess portion 10-2 to come back to unactivated state, elevator is in inspection travel state.Then it operates
Personnel again push away check plate handle 11-1 to the left, and the gear-stopping bar 11 returns to indentation position relative to the fulcrum bearing 9 at this time, institute
The movement for stating gear-stopping bar 11 is fixed to the jam plate using first limit switch 14 and locking level handle limit clamp 11-3
The actuating of handle 10-1 drives 10 associated movement of locking level to indentation position (changing to Fig. 4 from Fig. 6), the first safety switch
1 synchronized links, and the synchronous disconnection of the second safety switch 2, elevator are restored to normal load visitor's operating status.
The entirety that Figure 10 shows integrated backstop-locking safety device of another embodiment according to present disclosure is shown
It is intended to, with the embodiment in Fig. 3-9 the difference is that gear-stopping bar 11 is spaced apart relative to each other with locking level 10 and phase
For being set parallel to each other, but the working method of the two embodiments is similar.
Locking level handle 10-1 is set on the locking level 10.Gear-stopping bar handle 11- is set on the gear-stopping bar 11
1。
First safety switch and the second safety switch (being not shown in Figure 10) are set in the fulcrum bearing 9.
When the locking level 10 and the gear-stopping bar 11 relative to the fulcrum bearing 9 all in indentation position when, described
One safety switch is active, while second safety switch is in unactivated state, and lift car is in normal load
Objective operating status.
When the gear-stopping bar 11 is in extended position relative to the fulcrum bearing 9, first safety switch is in not
State of activation, while second safety switch is active, lift car is in along the guiding rail in elevator
Inspection travel state.The lower edge of limit plate 8 in upper one embodiment can contact the gear-stopping bar 11, the limit plate 8
Moving upwards for lift car can be limited, and then ensures that the safety the top from the top of elevator cage to elevator is empty
Between.
By pushing the gear-stopping bar handle 11-1 that can individually move between the indentation position and the extended position
Move the gear-stopping bar 11.
By pushing the locking level handle 10-1 that can individually move between the indentation position and the extended position
Move the locking level 10.When locking level 10 is in extended position, the locking level 10 is inserted into one embodiment
Parking plate 7, thereby may be ensured that and elevator is parked on guiding rail.
It is additionally provided with handle limiting component 16 in the fulcrum bearing 9, for limiting the gear-stopping bar 11 and the locking
Moving range of the bar 10 relative to the fulcrum bearing 9.
Two opposite edges 16-1,16-2 of the handle limiting component 16 are for limiting the locking level handle 10-1 phase
For the moving range of the fulcrum bearing 9.
The handle limiting component 16 further includes two U-lags mouth 16-3,16-4, correspond respectively to the indentation position and
First extended position, the gear-stopping bar handle 11 can be respectively in described two U-lag mouths.
Structure based on the above present disclosure can be seen that the top cross-bar that the present invention utilizes fulcrum bearing 9 in lift car
Support on 3 one end in nested structure setting locking level 10 and gear-stopping bar 11 and in elevator side guiding rail
Parking plate 7 and limit plate 8 (corresponding respectively to locking level 10 and gear-stopping bar 11) are set on 5.This nested structure is by the prior art
In stop device and locking device compactly combine, so that the technical solution in compared with the existing technology reduces portion
The quantity of part and reduce occupying to the headspace of lift car.
A kind of elevator device is proposed according to another embodiment of present disclosure, wherein the elevator device includes as above
Integrated backstop-the locking safety device 6.
With reference to specific embodiment, although present disclosure is illustrated in the specification and illustrated in the drawings, but it should reason
Solution, in the case where not departing from present disclosure range defined in claim, technical field personnel can make more
Kind changes and the alternative many of component of a variety of equivalents.Moreover, technical characteristic, portion between example embodied herein
The combination and collocation of part and/or function are clearly apparent, therefore according to these disclosure of that, technical field personnel
It will appreciate that the technical characteristic in embodiment, component and/or function can optionally be incorporated into another specific embodiment
In, unless above content has other description.
In addition, in the range for not departing from present disclosure essence, adapting to special situation according to the introduction of present disclosure
Or material can make many changes.Therefore, present disclosure is not limited to graphic other specific embodiment of attached drawing institute, with
And it is described in this description as the specific embodiment for being at present preferred forms contemplated by implementation present disclosure, and
Present disclosure intention includes all embodiments fallen into description above and scope of the appended claims.
Claims (18)
1. a kind of integrated backstop-locking safety device in elevator car roof space, the integrated backstop-locking
Safety device includes fulcrum bearing, locking level and gear-stopping bar；
The locking level and the gear-stopping bar are moved relative to the fulcrum bearing and are supported on jointly by the fulcrum bearing described
In fulcrum bearing, to constitute integrated backstop-locking safety device；Wherein
When the locking level and the gear-stopping bar relative to the fulcrum bearing all in indentation position when, lift car is in normal
Carrying operating status；
When the gear-stopping bar is in extended position relative to the fulcrum bearing, lift car can be along the guidance in elevator
Guide rail is in inspection travel state；
When the locking level is in extended position relative to the fulcrum bearing, lift car can be relative to the guiding rail
Position be in the lock state.
2. integrated backstop-locking safety device according to claim 1, wherein
The extended position includes the first extended position and the second extended position；
When the locking level and the gear-stopping bar relative to the fulcrum bearing all in the first extended position when, lift car along
Guiding rail in elevator is in inspection travel state；
When the gear-stopping bar is in the first extended position and the locking level relative to the fulcrum bearing relative to the fulcrum bearing
When in the second extended position, lift car is in the lock state relative to the position of the guiding rail.
3. integrated backstop-locking safety device according to claim 2, wherein
On the one end for the top cross-bar that lift car is arranged in the generally C-shaped fulcrum bearing；
Fulcrum bearing opening is respectively arranged on two opposite side walls of the fulcrum bearing；
The locking level and the gear-stopping bar can slide through the fulcrum bearing opening and be supported on the fulcrum bearing and open
In mouthful.
4. integrated backstop-locking safety device according to claim 3, wherein
The gear-stopping bar is C-shaped in the section perpendicular to its length direction；
The locking level is embedding to be set in the C-shaped gear-stopping bar and can slide relative to each other.
5. according to claim 1 to 4 one of them described integrated backstop-locking safety device, wherein
First safety switch and the second safety switch are set in the fulcrum bearing；
When the locking level and the gear-stopping bar relative to the fulcrum bearing all in indentation position when, first safety switch
It is active, while second safety switch is in unactivated state, lift car is in normal load visitor's operating status；
When the locking level and the gear-stopping bar relative to the fulcrum bearing all in the first extended position when, it is described first safety
Switch is in unactivated state, while second safety switch is active, and lift car is along drawing in elevator
Guide rail is in inspection travel state.
6. integrated backstop-locking safety device according to claim 3, wherein
Locking level handle and locking level recess portion are set on the locking level；
Gear-stopping bar handle is set on the gear-stopping bar.
7. integrated backstop-locking safety device according to claim 6, wherein
By pushing the gear-stopping bar handle that can move jointly institute between the indentation position and first extended position
State gear-stopping bar and the locking level；
By pushing the locking level handle that can individually move between first extended position and second extended position
Move the locking level.
8. integrated backstop-locking safety device according to claim 6, wherein
The first limit switch is additionally provided on the gear-stopping bar；
When a part of first limit switch is located in the locking level recess portion, described in the movement utilization of the gear-stopping bar
First limit switch drives the locking level associated movement；
When pushing the locking level handle, described a part of first limit switch is exited from the locking level recess portion
Come, so that first limit switch is activated by the locking level.
9. integrated backstop-locking safety device according to claim 6, wherein
The second limit switch is additionally provided on the gear-stopping bar；
When the limit slope for pushing the second limit switch described in the gear-stopping bar handle to be arranged in the fulcrum bearing is activated,
The electronic signal indicating elevator control system that second limit switch issues ensures to move up in elevator and close to safety
Slow down when space and stop, so that it is guaranteed that the safe space the top from the top of elevator cage to elevator.
10. integrated backstop-locking safety device according to claim 6, wherein
Gear-stopping bar handle limit clamp are additionally provided in the fulcrum bearing, for limiting the gear-stopping bar relative to the bearing
The moving range of seat；
Locking level handle limit clamp are additionally provided on the gear-stopping bar, for limiting the locking level relative to the backstop
The moving range and the actuating locking level handle of bar.
11. integrated backstop-locking safety device according to claim 3, wherein
Parking plate and limit plate are set on the guiding rail of side in elevator；
When the locking level and the gear-stopping bar relative to the fulcrum bearing all in the first extended position when, the parking plate is not
The locking level and the gear-stopping bar can be interfered, and the lower edge of the limit plate can contact the gear-stopping bar, to limit
The movement of lift car, and then ensure the safe space the top from the top of elevator cage to elevator；
When the gear-stopping bar is in the first extended position and the locking level relative to the fulcrum bearing relative to the fulcrum bearing
When in the second extended position, the locking level is inserted into the parking plate.
12. integrated backstop-locking safety device according to claim 9, wherein the height of the safe space is not small
In 1700 millimeters.
13. integrated backstop-locking safety device according to claim 1, wherein
The gear-stopping bar is spaced apart relative to each other with the locking level and is arranged in parallel relative to each other；
Locking level handle is set on the locking level；
Gear-stopping bar handle is set on the gear-stopping bar.
14. integrated backstop-locking safety device according to claim 12, wherein
First safety switch and the second safety switch are set in the fulcrum bearing；
When the locking level and the gear-stopping bar relative to the fulcrum bearing all in indentation position when, first safety switch
It is active, while second safety switch is in unactivated state, lift car is in normal load visitor's operating status；
When the gear-stopping bar is in extended position relative to the fulcrum bearing, first safety switch is in un-activation shape
State, while second safety switch is active, lift car is in maintenance fortune along the guiding rail in elevator
Row state.
15. integrated backstop-locking safety device according to claim 14, wherein
By pushing the gear-stopping bar handle that described stop can be individually moved between the indentation position and the extended position
Bar；
By pushing the locking level handle that the lock can be individually moved between the indentation position and the extended position
Fixed pole.
16. integrated backstop-locking safety device according to claim 15, wherein
Handle limiting component is additionally provided in the fulcrum bearing, for limiting the gear-stopping bar and the locking level relative to institute
State the moving range of fulcrum bearing.
17. integrated backstop-locking safety device according to claim 16, wherein
Two opposite edges of the handle limiting component are for limiting shifting of the locking level handle relative to the fulcrum bearing
Dynamic range；
The handle limiting component further includes two U-lag mouths, corresponds respectively to the indentation position and the extended position, institute
Stating gear-stopping bar handle can be respectively in described two U-lag mouths.
18. a kind of elevator device, wherein the elevator device include as described in one of the claims it is integrated only
Gear-locking safety device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910509482.6A CN110255320A (en) | 2019-06-13 | 2019-06-13 | Integrated backstop-locking safety device and elevator device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910509482.6A CN110255320A (en) | 2019-06-13 | 2019-06-13 | Integrated backstop-locking safety device and elevator device |
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| Publication Number | Publication Date |
|---|---|
| CN110255320A true CN110255320A (en) | 2019-09-20 |
Family
ID=67918034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910509482.6A Pending CN110255320A (en) | 2019-06-13 | 2019-06-13 | Integrated backstop-locking safety device and elevator device |
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| Country | Link |
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| CN (1) | CN110255320A (en) |
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| US20230045714A1 (en) * | 2020-08-04 | 2023-02-09 | Ficont Industry (Beijing) Co., Ltd. | Operation locking device for climb-free system |
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