CN108463424A - The fall protection screen device of elevator and elevator - Google Patents
The fall protection screen device of elevator and elevator Download PDFInfo
- Publication number
- CN108463424A CN108463424A CN201680078753.1A CN201680078753A CN108463424A CN 108463424 A CN108463424 A CN 108463424A CN 201680078753 A CN201680078753 A CN 201680078753A CN 108463424 A CN108463424 A CN 108463424A
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- Prior art keywords
- screen board
- fall protection
- vibration
- elevator
- screen
- 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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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
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- Cage And Drive Apparatuses For Elevators (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
In the fall protection screen device of elevator, multiple support arms are fixed in hoistway.Screen board is support on these support arms, which prevents operator from being dropped into hoistway when carrying out upkeep operation on car.Also, screen board configures at spaced intervals relative to well enclosure.Resonance suppression component is installed in the part of the abdomen of the vibration of screen board, which inhibits the resonance of the screen board generated by the vibration for the traction machine for making car lift.
Description
Technical field
The present invention relates to elevator and the fall protection screen devices of elevator, and screen is configured at spaced intervals relative to well enclosure
Plate, the screen board prevent operator from being dropped into hoistway when carrying out upkeep operation on car.
Background technology
In previous lift appliance, a pair of of side rails and back side handrail are equipped in car upper surface.Side rails and
Back side handrail can be on being horizontally placed on car state and be erected between the state on car and shifted (example respectively
Such as, referring to patent document 1).
Side rails and back side handrail are operator's standings in climbing to car in the operation on carrying out car, but
In the case that gap between car and well enclosure is larger (such as 300mm or more), sometimes require that always to carry out handrail standing,
So that operator will not drop into from gap location in hoistway.Also, in the situation that the horizontal distance from handrail to well enclosure is larger
Under (such as 500mm or more), sometimes require that the height (such as 1100mm or more) for improving handrail so that operator will not be mistakenly
Get over handrail.
On the other hand, to ensure the i.e. aerial size of size more than needed at the top of hoistway so that sudden and violent upward in contingency car
It walks, in the case that the buffer of counterweight and hoistway melt pit collides, handrail will not collide with the ceiling of hoistway.With
This is opposite, in the case of setting up such as handrail of height 1100mm on car, when with the standing such as handrail of height 700mm
Compare, need aerial size increasing 400mm, because rather than it is ideal.
In contrast, fall protection screen also is set in well enclosure, to reduce the horizontal distance from handrail to well enclosure
Method.Since needs are continuously provided at spaced intervals and in above-below direction fall protection screen relative to well enclosure, thus
Consideration is supported using guide rail.
But such as in machine-roomless lift, there is traction machine using guide supporting at the top of hoistway sometimes, it is possible to drag
The Vibration propagation for drawing machine makes fall protection screen resonate and generate noise.
As such vibration countermeasure, such as in the melt pit maskant of previous elevator, in the car for being configured at melt pit
The damping means being made of rubber slab or felt-cloth etc. are pasted on protecting screen component between side space and counterweight-side space.Or
Person, the vibration suppression portion in the middle section of protecting screen component section of the setting with convex.Inhibited because of sedan-chair using these structures
The traveling wind in compartment and the vibration of protecting screen component generated (referring for example to patent document 2).
Existing technical literature
Patent document
Patent document 1：No. 4220464 bulletins of Japanese Patent No.
Patent document 2：Japanese Unexamined Patent Publication 2010-202394 bulletins
Invention content
Problems to be solved by the invention
The vibration that traction machine is resulted from when car is advanced changes according to the speed of car, thus is preferably set to make to fall
The velocity shooting that protecting screen is fallen in normal speed does not resonate.In contrast, in order to cope with the different multiple types of normal speed
Elevator, using structure as described in Patent Document 2 come improve fall protection screen entirety rigidity or by fall protection screen from
When body is set as vibration absorbing structure, the weight of fall protection screen increases, and product cost improves.
Also, in the case where fall protection screen to be set to the near top of hoistway, due to being the operation on car,
Thus the setting of the fall protection screen of heavier-weight is difficult.
In addition, in the case of confirming the resonance of fall protection screen in maintenance, it cannot implement to improve at the scene and fall
The measure of the rigidity of protecting screen itself.
In addition, in the case of the resonance of fall protection screen ought be confirmed when mounted, due to fall protection screen installation from
Body is the final stage in the elevator entire duration, thus is difficult to the short period before delivery and implements to improve fall protection screen certainly
The measure of the rigidity of body.
The present invention is precisely in order to solves the problems, such as described above and complete, it is intended that offer elevator and elevator
Fall protection screen device can easily suppress the screen board generated by the vibration of traction machine in the elevator of various normal speeds
Resonance.
The means used to solve the problem
The fall protection screen device of the elevator of the present invention has：Multiple support arms, are fixed in hoistway；Screen board,
It is supported by support arm, and is configured at spaced intervals relative to well enclosure, prevent operator when carrying out upkeep operation on car
It drops into hoistway；And resonance suppression component, it is installed in the part of the abdomen of the vibration of screen board, is inhibited because making car liter
The vibration of the traction machine of drop and the resonance of screen board generated.
Also, the elevator of the present invention has：A plurality of guide rail, is arranged at hoistway；Car and counterweight, they are drawn by guide rail
It leads and is lifted in hoistway；Traction machine makes car and counterweight liter at the top of hoistway by least any one guide supporting
Drop；And fall protection screen device, multiple support arms which has screen board and be fixed on guide rail should
Screen board is supported by support arm, and is configured at spaced intervals relative to well enclosure, prevents operator from carrying out maintenance work on car
It is dropped into hoistway when industry, fall protection screen device also has being total to for the resonance for inhibiting the screen board generated by the vibration of traction machine
It shakes suppression component, resonance suppression component is installed in the part of the abdomen of the vibration of screen board.
Invention effect
The elevator of the present invention and the fall protection screen device of elevator are equipped with resonance in the part of the abdomen of the vibration of screen board
Suppression component, it is thus possible to easily suppress the screen board generated by the vibration of traction machine in the elevator of various normal speeds
Resonance.
Description of the drawings
Fig. 1 is the side view of the well headroom for the elevator for showing embodiments of the present invention 1.
Fig. 2 is the vertical view of the major part for the elevator for showing Fig. 1.
Fig. 3 is the side view of the elongation state for the armrest system for showing Fig. 2.
Fig. 4 is the side view of the shortening state for the armrest system for showing Fig. 2.
Fig. 5 is the front view shown in by the top amplification of the 1st fall protection screen device of Fig. 1.
Fig. 6 is the front view for showing to implement the screen board of Fig. 5 the state of the countermeasure for the vibration for inhibiting first-order modal.
Fig. 7 is the front view for showing to implement the screen board of Fig. 6 the state of the countermeasure for the vibration for inhibiting second-order modal.
Fig. 8 is the front view of the fall protection screen device for the elevator for showing embodiments of the present invention 2.
Fig. 9 is the front view of the fall protection screen device for the elevator for showing embodiments of the present invention 3.
Figure 10 is the front view of the fall protection screen device for the elevator for showing embodiments of the present invention 4.
Figure 11 is the front view of the fall protection screen device for the elevator for showing embodiments of the present invention 5.
Figure 12 is the front view of the fall protection screen device for the elevator for showing embodiments of the present invention 6.
Specific implementation mode
In the following, being described with reference to mode for carrying out the present invention.
Embodiment 1
Fig. 1 is the side view of the well headroom for the elevator for showing embodiments of the present invention 1, and Fig. 2 is the elevator for showing Fig. 1
Major part vertical view.The 1st car guide rail 2 is vertically arranged in hoistway 1 in the figure, the 2nd car guide rail (is not schemed
Show), the 1st counter weight guide track 3 and the 2nd counter weight guide track 4.
Car 5 (being shown in fig. 2 with double dot dash line) is by the 1st car guide rail 2 and the guiding of the 2nd car guide rail and in hoistway 1
Interior lifting.Counterweight 6 (being shown in fig. 2 with double dot dash line) is by the 1st counter weight guide track 3 and the guiding of the 2nd counter weight guide track 4 and in hoistway 1
Interior lifting.
Top of the traction machine 7 (being omitted in fig. 2) in hoistway 1 is supported by the 1st and the 2nd counter weight guide track 3,4.Traction machine
7 have driving rope sheave 8, the traction machine motor (not shown) for making driving rope sheave 8 rotate and the rotation system to driving rope sheave 8
Dynamic traction machine brake (not shown).
Suspension body 9 (only showing a part in Fig. 1) for hanging car 5 and counterweight 6 is wound around driving rope sheave 8.
Suspension body 9 uses a plurality of rope or multi-ribbon.By making driving rope sheave 8 rotate, the lifting in hoistway 1 of car 5 and counterweight 6.
Counterweight 6 configure car 5 lifting region side, to when positioned at 5 identical height of car with car 5
Side it is opposed.
Armrest system 10 is equipped on car 5.The elongation state that can be shown in Fig. 3 of armrest system 10 and shown in Fig. 4
It vertically stretches between shortening state.That is, the height dimension of armrest system 10 is variable.
Armrest system 10 has the fixed part being fixed on car 5 and can vertically be moved relative to fixed part
The movable part of position.The height of armrest system 10 when the height dimension H2 of armrest system 10 when shortening state is by elongation state
H1 subtracts size obtained by the stroke Δ h of movable part.
In fig. 2, the distance between the face of the inside of armrest system 10 and the well enclosure 1a nearest from counterweight 6 D1 are
500mm or more.
1st fall protection screen device 11 is supported on the 1st counter weight guide track 3.2nd fall protection screen device 12 is supported on
1 car guide rail 2.1st and the 2nd fall protection screen device 11,12 prevents operator from being dropped into when carrying out upkeep operation on car 5
In hoistway 1.
Also, the configuration of fall protection screen device 11,12 is more against the top than the stop floor of top in the top in hoistway 1
Region.In addition, the upper end of fall protection screen device 11,12 configures the position against the top in the landing doorway than top
It sets.In addition, fall protection screen device 11,12 lower end configuration the stop floor than top on the lower, than top
The landing doorway of next floor position against the top.
The circle for a diameter of 300mm being horizontally oriented in fig. 2 with two circles shown in single dotted broken line.Fall protection screen fills
Set the gap for not generating 300mm or more between the outer rim that 11,12 are provided in car 5 and well enclosure 1a.
Each fall protection screen device 11,12, which has, is flatly fixed on the 1st counter weight guide track 3 or the 1st car guide rail 2
Multiple support arms 13 and the multiple screen boards 14 supported by support arm 13.Each support arm 13 holds component using guide rail fixture etc. and consolidates
Due to the 1st counter weight guide track 3 or the 1st car guide rail 2.
Each screen board 14 descends both ends to be fixed in support arm 13 on it.Each support arm 13 has sufficient rigidity so that
The gap of above-mentioned 300mm or more will not be generated because acting on the loading of screen board 14.
Each screen board 14 prevents operator from being overhauled on car 5 relative to well enclosure 1a arranged perpendiculars at spaced intervals
It is dropped into when operation in hoistway 1.Also, each screen board 14 is made of the sheet metal with simple bending part.
Fig. 5 is the front view shown in by the top amplification of the 1st fall protection screen device 11 of Fig. 1.It is being supported by traction machine 7
The 1st counter weight guide track 3 in the screen board 14 of the 1st fall protection screen device 11 that supports, be arranged to from traction machine 7 recently most
On the screen board 14 on top, along the vertical direction to be mutually equidistantly equipped with multiple mounting hole 14a.
Mounting hole 14a configurations are in the part of the abdomen of the vibration of multiple mode of oscillations of screen board 14.Also, in screen board 14
Identical height and position is respectively configured with multiple (being two in Figure 5) mounting hole 14a.Screen is schematically shown on the left of Fig. 5
The waveform of the vibration of the first-order modal of plate 14.
Fig. 6 is the front view for showing to implement the screen board 14 of Fig. 5 the state of the countermeasure for the vibration for inhibiting first-order modal.It is real
The 1st fall protection screen device 11 of mode 1 is applied in addition to support arm 13 and screen board 14, is also had as resonance suppression component at least
One vibration suppression arm 15.
Vibration suppression arm 15 is connected between the 1st counter weight guide track 3 and screen board 14.In figure 6, secure component 16 is made to wear respectively
Two mounting hole 14a in the central portion setting of the upper and lower directions of screen board 14 are crossed, vibration suppression arm 15 is thus fixed on screen board
14.Also, it holds component using guide rail fixture etc. and vibration suppression arm 15 is fixed on the 1st counter weight guide track 3.
In the structure of Fig. 6, the abdomen of the vibration of the first-order modal of screen board 14 is pressed by vibration suppression arm 15, is thus inhibited
The resonance of the first-order modal of the screen board 14 generated by the vibration of traction machine 7.
Fig. 7 is the front view for showing to implement the screen board 14 of Fig. 6 the state of the countermeasure for the vibration for inhibiting second-order modal.
In Fig. 7, in the mounting hole 14a from upper end at 1/4 position and the mounting hole 14a from lower end at 1/4 position of screen board 14
Also it is connected with vibration suppression arm 15.
In the structure of Fig. 7, the abdomen of the vibration of the second-order modal of screen board 14 as depicted on the left hand side of fig. 6 is also pressed down by vibration
Arm 15 processed presses, and thereby inhibits the first-order modal of the screen board 14 generated by the vibration of traction machine 7 and the resonance of second-order modal.
In addition, mounting hole 14a is arranged by the position of the abdomen of the vibration in the various mode of oscillations such as three ranks and quadravalence,
The abdomen of the vibration corresponding with the mode of oscillation of the generation resonance of screen board 14 in actual elevator can selectively be pressed.
The rigidity and mechanical strength of vibration suppression arm 15 can be smaller than support arm 13.Therefore, the width of vibration suppression arm 15
Size (the upper and lower directions size of Fig. 6, Fig. 7) is less than the width dimensions (the upper and lower directions size of Fig. 6, Fig. 7) of support arm 13.And
And the plate thickness of vibration suppression arm 15 is less than the plate thickness of support arm 13.In addition, vibration suppression arm 15 is lighter than support arm 13.
In the fall protection screen device of such elevator, vibration suppression is installed in the part of the abdomen of the vibration of screen board 14
Arm 15 processed, it is thus possible to the screen board 14 generated by the vibration of traction machine 7 is easily suppressed in the elevator of various normal speeds
Resonance.
Actually when elevator works, screen board 14 generates resonance, when the feelings for confirming noise in stop or adjacent room
Under condition, need to cope with as early as possible at the scene.In contrast, according to the structure of embodiment 1, by stop etc. confirm noise and
Resonance whether on the basis of hereinafter, and the single order in screen board 14, second order ... the abdomen of the mode of oscillation of n ranks install successively vibration presses down
Arm 15 processed can realize reply as early as possible at the scene.
Also, it is previously provided with the mounting hole 14a of installation vibration suppression arm 15, and mounting hole 14a configurations in screen board 14
In the part of the abdomen of the vibration of multiple mode of oscillations of screen board 14, it is thus possible to inhibit more quickly under various mode of oscillations
The resonance of screen board 14.
In addition, as resonance suppression component, the vibration suppression arm being connected between counter weight guide track 3 and screen board 14 has been used
15, it is thus possible to more reliably inhibit the resonance of screen board 14 using simple structure.
In addition, vibration suppression arm 15 is lighter than support arm 13, thus operation at the scene is easy to carry out, and can be simple
Crimp, thus preparation at the scene also be easy carry out, additionally it is possible to inhibit cost.
Embodiment 2
In the following, Fig. 8 is the front view of the fall protection screen device for the elevator for showing embodiments of the present invention 2.Implementing
In mode 2, as resonance suppression component, vibration suppression arm 15 is not used, and uses one or more (being 4 in fig. 8)
Reinforcing plate 17.Reinforcing plate 17 is the tablet of the rectangle lighter than support arm 13, by making secure component 16 pass through selected installation
Hole 14a, reinforcing plate 17 are fixed in screen board 14 and partly cover the face opposed with car 5.In this embodiment, the height of reinforcing plate 17
Spend size screen board 14 height dimension 1/7 or less.
As shown in figure 8, when neighbouring mounting hole 14a installs reinforcing plate 17 respectively, the reinforcing plate 17 of upside
Lower surface is abutted with the upper surface of the reinforcing plate 17 of downside.Also, the reinforcing plate 17 of two panels or more can also be combined in advance and real
Existing blocking, screen board 14 is mounted as a whole on by the unit.Other structures are identical as embodiment 1.
In such fall protection screen device, the rigidity for being equipped with the part of reinforcing plate 17 improves, and is equipped with reinforcing plate
The vibration that 17 part becomes the screen board 14 under the mode of oscillation of abdomen is suppressed, it is thus possible in the elevator of various normal speeds
In easily suppress the resonance of the screen board 14 generated by the vibration of traction machine 7.
Also, reinforcing plate 17 is the simple plank smaller than screen board 14, thus operates and be easy, and preparation at the scene is also held
Easily, additionally it is possible to inhibit cost.
In addition, reinforcing plate 17 need not be fixed to counter weight guide track 3, it is only installed on screen board 14, thus is easy to carry out at the scene
The addition of reinforcing plate 17 and the change that position is set.
Embodiment 3
In the following, Fig. 9 is the front view of the fall protection screen device for the elevator for showing embodiments of the present invention 3.Implementing
In mode 3, as resonance suppression component, counterweight 18 is adjusted using one or more (being 4 in fig.9).Adjust counterweight 18
It is the tablet of the oblong-shaped lighter than support arm 13, by making secure component 16 be fixed across selected mounting hole 14a
In screen board 14.
Also, it is in this embodiment, big using less than half and height dimension of the width dimensions that width dimensions are screen board 14
In the adjusting counterweight 18 of width dimensions.In addition, respectively adjust counterweight 18 is installed on screen across two neighbouring mounting hole 14a
Plate 14.Other structures are identical as embodiment 1.
In such fall protection screen device, by adjusting installation site and tune of the counterweight 18 on screen board 14 is adjusted
At least any one party in the quality of counterweight 18 is saved, can be easily suppressed in the elevator of various normal speeds because of traction machine 7
Vibration and the resonance of screen board 14 that generates.
Also, the component that counterweight 18 is smaller than screen board 14 is adjusted, thus operates and is easy, preparation at the scene is also easy, also
It can inhibit cost.
In addition, adjusting counterweight 18 need not fix to counter weight guide track 3, be only installed on screen board 14, thus it is easy at the scene into
Row adjusts the addition of counterweight 18 and the change at position is arranged.
Embodiment 4
In the following, Figure 10 is the front view of the fall protection screen device for the elevator for showing embodiments of the present invention 4.Implementing
In mode 4, the vibration suppression arm 15 as resonance suppression component is installed in screen board using a pair of of the fixture 19 for holding screen board 14
14.Also, by the hold for weakening fixture 19, installation of the vibration suppression arm 15 in the upper and lower directions of screen board 14 can be adjusted
Position.
As fixture 19, for example, can use usually used guide rail fixture in the guide rail 2~4 of elevator or with its phase
Syntectonic component.Fixture 19 is installed in the edge of the width direction both sides of screen board 14.
Also, in embodiment 4, vibration suppression arm 15 is installed on screen board 14 using fixture 19, thus in screen board 14
It is not provided with mounting hole 14a.Other structures are identical as embodiment 1.
In such fall protection screen device, vibration suppression arm is installed in the part of the abdomen of the vibration of screen board 14
15, it is thus possible to being total to for the screen board 14 generated by the vibration of traction machine 7 is easily suppressed in the elevator of various normal speeds
It shakes.
Also, it, can be easily to vibration suppression arm 15 on screen board 14 according to the actual installation situation of screen board 14
Installation site is finely adjusted, and can more reliably inhibit the resonance of screen board 14.
Embodiment 5
In the following, Figure 11 is the front view of the fall protection screen device for the elevator for showing embodiments of the present invention 5.Embodiment party
Formula 5 is to be combined with the embodiment of embodiment 2 and embodiment 4.That is, in embodiment 5, as resonance suppression component
Reinforcing plate 17 is utilized respectively multiple fixtures 19 and is installed in screen board 14.In this embodiment, the configuration of fixture 19 is the four of each reinforcing plate 17
A corner.Other structures are identical as embodiment 2.
In such fall protection screen device, the rigidity for being equipped with the part of reinforcing plate 17 improves, and is equipped with reinforcing plate
The vibration that 17 part becomes the screen board 14 under the mode of oscillation of abdomen is suppressed, it is thus possible in the elevator of various normal speeds
In easily suppress the resonance of the screen board 14 generated by the vibration of traction machine 7.
Also, according to the actual installation situation of screen board 14, installation that can easily to reinforcing plate 17 on screen board 14
Position is finely adjusted, and can more reliably inhibit the resonance of screen board 14.
Embodiment 6
In the following, Figure 12 is the front view of the fall protection screen device for the elevator for showing embodiments of the present invention 6.Embodiment party
Formula 6 is to be combined with the embodiment of embodiment 3 and embodiment 4.That is, in embodiment 6, as resonance suppression component
Adjusting counterweight 20 is utilized respectively a pair of of fixture 19 and is installed in screen board 14.In this embodiment, using width dimensions be more than height dimension,
And height dimension is the adjusting counterweight 20 of less than half of the width dimensions of screen board 14.Other structures and 3 phase of embodiment
Together.
In such fall protection screen device, by adjusting installation site and tune of the counterweight 20 on screen board 14 is adjusted
At least any one party in the quality of counterweight 20 is saved, can be easily suppressed in the elevator of various normal speeds because of traction machine 7
Vibration and the resonance of screen board 14 that generates.
Also, it, can be easily to adjusting peace of the counterweight 20 on screen board 14 according to the actual installation situation of screen board 14
Holding position is finely adjusted, and can more reliably inhibit the resonance of screen board 14.
In addition, in the above example, inhibiting in the installation resonance of screen board 14 of the topmost of the 1st fall protection screen device 11
Component, but can also be in other screen boards 14 of the 1st fall protection screen device 11 and the screen board of the 2nd fall protection screen device 12
14 installation resonance suppression component.
Alternatively, it is also possible to the appropriately combined resonance suppression component using Embodiments 1 to 6.
Alternatively, it is also possible to and with the installation using mounting hole 14a and the installation using fixture 19.
In addition, the layout of elevator entirety is not limited to Fig. 1, Fig. 2, such as the present invention can also apply to the configuration of counterweight 6 in sedan-chair
Compartment 5 lifting region rear to positioned at elevator opposed with the back side of car 5 when 5 identical height of car.
Claims (8)
1. a kind of fall protection screen device of elevator, has：
Multiple support arms, are fixed in hoistway；
Screen board is supported by the support arm, and is configured at spaced intervals relative to well enclosure, prevents operator on car
Dropped into the hoistway when upkeep operation；And
Resonate suppression component, is installed in the part of the abdomen of the vibration of the screen board, inhibits because making the car lifting
The vibration of traction machine and the resonance of the screen board generated.
2. the fall protection screen device of elevator according to claim 1, wherein
The multiple mounting holes for installing the resonance suppression component are equipped in the screen board,
The mounting hole is configured in the part of the abdomen of the vibration of multiple mode of oscillations of the screen board.
3. the fall protection screen device of elevator according to claim 1, wherein
The resonance suppression component is installed in the screen board using the fixture for holding the screen board,
By weakening the hold of the fixture, the resonance suppression component can be adjusted in the upper and lower directions of the screen board
Installation site.
4. the fall protection screen device of elevator according to any one of claims 1 to 3, wherein
The support arm is fixed in the guide rail being arranged in the hoistway,
The resonance suppression component is the vibration suppression arm being connected between the guide rail and the screen board.
5. the fall protection screen device of elevator according to claim 4, wherein
The vibration suppression arm is lighter than the support arm.
6. the fall protection screen device of elevator according to any one of claims 1 to 3, wherein
The resonance suppression component is the reinforcing plate for being installed in the screen board and partly covering the face opposed with the car.
7. the fall protection screen device of elevator according to any one of claims 1 to 3, wherein
The resonance suppression component is to adjust counterweight.
8. a kind of elevator, has：
A plurality of guide rail, is arranged at hoistway；
Car and counterweight, they are lifted by the rail guidance in the hoistway；
Traction machine makes the car and the counterweight at the top of the hoistway by at least any one guide supporting
Lifting；And
Fall protection screen device, with screen board and the multiple support arms for being fixed in the guide rail, the screen board is by the support
Arm supports, and is configured at spaced intervals relative to well enclosure, prevents operator from falling when carrying out upkeep operation on the car
It falls in the hoistway,
The fall protection screen device also has being total to for the resonance for inhibiting the screen board generated by the vibration of the traction machine
It shakes suppression component,
The resonance suppression component is installed in the part of the abdomen of the vibration of the screen board.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2016/051600 WO2017126061A1 (en) | 2016-01-20 | 2016-01-20 | Elevator and fall prevention screen device for same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108463424A true CN108463424A (en) | 2018-08-28 |
| CN108463424B CN108463424B (en) | 2021-03-05 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680078753.1A Active CN108463424B (en) | 2016-01-20 | 2016-01-20 | Elevator and falling protection screen device thereof |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6452861B2 (en) |
| CN (1) | CN108463424B (en) |
| WO (1) | WO2017126061A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110451375A (en) * | 2019-08-26 | 2019-11-15 | 巨龙电梯有限公司 | A kind of pit ptotection gred of three sides protection |
| JP7463482B1 (en) | 2022-11-30 | 2024-04-08 | 東芝エレベータ株式会社 | Elevator operation system and operation method |
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- 2016-01-20 WO PCT/JP2016/051600 patent/WO2017126061A1/en active Application Filing
- 2016-01-20 CN CN201680078753.1A patent/CN108463424B/en active Active
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| JP2007008610A (en) * | 2005-06-28 | 2007-01-18 | Mitsubishi Electric Corp | Facia plate of base-isolated elevator |
| JP2009120303A (en) * | 2007-11-13 | 2009-06-04 | Mitsubishi Electric Corp | Fascia plate of elevator |
| JP2010202394A (en) * | 2009-03-05 | 2010-09-16 | Toshiba Elevator Co Ltd | Pit shield of elevator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108463424B (en) | 2021-03-05 |
| WO2017126061A1 (en) | 2017-07-27 |
| JPWO2017126061A1 (en) | 2018-05-31 |
| JP6452861B2 (en) | 2019-01-16 |
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