CN108750900A - A kind of escalator front edge board safety device - Google Patents
A kind of escalator front edge board safety device Download PDFInfo
- Publication number
- CN108750900A CN108750900A CN201810984929.0A CN201810984929A CN108750900A CN 108750900 A CN108750900 A CN 108750900A CN 201810984929 A CN201810984929 A CN 201810984929A CN 108750900 A CN108750900 A CN 108750900A
- Authority
- CN
- China
- Prior art keywords
- front edge
- pull rod
- edge board
- spring
- support plate
- 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.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 abstract description 4
- 230000001681 protective effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 244000126211 Hericium coralloides Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B29/00—Safety devices of escalators or moving walkways
- B66B29/02—Safety devices of escalators or moving walkways responsive to, or preventing, jamming by foreign objects
Landscapes
- Escalators And Moving Walkways (AREA)
Abstract
The present invention relates to a kind of escalator front edge board safety devices.In escalator operation exception front edge board can stress retreat or be lifted up, fixation kit is synchronous therewith to be retreated or is lifted as it is synchronized, and safety switch can be hit and elevator is made to shut down by retreating the lift triggering end of triggering end/above.The minimum back power of front edge board is adjusted in the pretightning force for adjusting the first spring, the minimum upper lifting force of front edge board is adjusted in the pretightning force of adjusting second spring.Pull rod on front edge board lift or retreat during, pull rod can be relatively fixed component rotation, pull rod upper end be rotatably connected on pull rod connecting pin avoid pull rod be relatively fixed component rotation when both junction stress and be destroyed.It follows that the first spring and second spring are dexterously concentrated on same set of pull rod baffle on pull rod in the present invention, the structure of safety device is successfully simplified.Pull rod upper end is then conducive to improve the service life of safety device with the form that fixation kit is rotatably assorted.
Description
Technical field
The present invention relates to a kind of escalator front edge board safety devices.
Background technology
Escalator is a kind of fixation electric power drive with shuttling movement step, for tilting conveying passenger upward or downward
Dynamic equipment.Fishback is located at the transitional region that step enters front edge board, and the stream of people can pass through when passing in and out escalator and trample this
Component.In traditional escalator, there is a gap between the rear end of front edge board and middle plate.The effect in gap is as follows：Work as step
When having foreign matter to block between fishback, gap is retreated for front edge board.It follows that front edge board cannot be fixed but need phase
Truss sliding to escalator.Ahead of the curve plate sliding during easily there is the case where stress overturning, after overturning middle plate with
Hole between fishback can expose, and there are great security risks.
It is both provided with protective device in present escalator, the structure of protective device is each in the escalator of different manufacturers
Different, main purpose is when making to have foreign matter to be caught between step and fishback, and safety switch can be triggered and escalator is made to stop
Operation.But protective device common problem is in the prior art：Protective device is complicated and structure design is unreasonable,
It not only additionally occupies and lifts on front edge board superjacent air space, ahead of the curve plate or be also easily destroyed when retreating.
Invention content
The purpose of the present invention is to provide a kind of escalator front edge board safety devices to solve to protect dress in the prior art
Set the unreasonable and flimsy technical problem of structure design.
To achieve the above object, a kind of escalator front edge board safety device of the invention uses following technical scheme：
Escalator front edge board safety device, including front edge board support plate, front edge board support plate top are equipped with front edge board and comb
Tooth plate, fishback are fixed on forward position front edge of board, and front edge board support plate rear end is provided with safety switch and trigger mechanism, trigger mechanism
Including pull rod baffle, pull rod, preloading spring and fixation kit, pull rod baffle is fixed below front edge board support plate, and pull rod is with before
It is arranged in an angle along plate support plate and the upper end passes through pull rod baffle and front edge board support plate, preloading spring is including being set in drawing
The first spring on bar and second spring, the first spring and second spring be separately positioned on the both sides of front edge board support plate and with it is preceding
Respective side block along plate support plate coordinates, and pull rod upper end is provided with the upper stop part for the first spring upper end of block, drawing
Bar lower end is provided with the lower stop part for block second spring lower end；Fixation kit is fixed on front edge board rear end, including retreats
Triggering end, upper lift triggering end and pull rod connecting pin, safety switch can be hit and make automatic by retreating triggering end when plate retreats ahead of the curve
Staircase shut down, ahead of the curve on plate lift when on lift triggering end can hit safety switch and escalator is made to shut down, pull rod upper end rotation
It is connected on pull rod connecting pin, so component rotation can be relatively fixed with pull rod when lifting or retreating on front edge board in pull rod upper end.
Fixation kit includes switch baffle, and switch baffle includes vertical section and tilting section, and tilting section is located under vertical section
Side and its lower end is towards back sweep, the obtuse angle angle that the trigger button of safety switch is arranged between vertical section and tilting section
Interior, vertical section forms the retrogressing triggering end, and tilting section forms the upper lift triggering end.
Bottom plate and upper mounted plate are bolted above front edge board support plate, upper mounted plate is located at lower fixation
The top of plate, front edge board support is set on bottom plate and has gap between the upper end and upper mounted plate, so front edge board
It can retreat or upper lift.
Fixation kit includes pull rod holder and limited block, and the both sides in pull rod support width direction are both provided with linking arm, limit
Position block is fixed on the linking arm of side, switchs baffle and be fixed on the linking arm of the other side, and limited block is fixed on front edge board
Rear end and the lower face for being close to front edge board；The upper end of pull rod is stretched into the pull rod holder, is offered on pull rod holder along its width
Spend the pin shaft hole that direction extends, pin shaft hole forms the pull rod connecting pin, the axis pin installed in pin shaft hole across pull rod upper end and
Pull rod upper end is rotatably connected on pull rod holder.
Pull rod is screw rod, upper stop part and the nut that lower stop part is that spiral is mounted on pull rod, the peace of adjusting nut
Holding position can be conveniently adjusted the pretightning force of the first spring and/or second spring.
Front edge board support plate is fixed on by opening up channel steel on chord member of truss, front edge board support plate width direction
Both sides are each provided with one group of channel steel, and the part of front edge board support plate is stretched out for being fixed on chord member of truss in channel steel outer end.
Beneficial effects of the present invention are as follows：In escalator operation exception, front edge board meeting stress is retreated or is lifted up,
Fixation kit is synchronous therewith to be retreated or is lifted as it is synchronized, and safety switch can be hit and make by retreating the lift triggering end of triggering end/above
Elevator is shut down.When front edge board has retrogressing trend, the first spring stress being arranged between upper stop part and pull rod baffle works as force
More than the first spring pretightning force when, the first spring is compressed, the upper end of pull rod is retreated with front edge board, adjust the first spring it is pre-
Clamp force is the minimum back power of adjustable front edge board.When front edge board has upper lift trend, setting lower stop part and pull rod baffle it
Between second spring stress, when force more than second spring pretightning force when, second spring is compressed, the upper end of pull rod is with forward position
It is lifted on plate, adjusts the minimum upper lifting force of the i.e. adjustable front edge board of pretightning force of second spring.Pull rod is with lift on front edge board or retreats
During, pull rod can be relatively fixed component rotation, and pull rod upper end, which is rotatably connected on pull rod connecting pin, avoids pull rod phase
Junction stress both when being rotated to fixation kit and be destroyed.It follows that dexterously by the first spring and in the present invention
Two springs concentrate on same set of pull rod baffle on pull rod, successfully simplify the structure of safety device.Pull rod upper end and fixation
The form that component is rotatably assorted then is conducive to improve the service life of safety device.Pull rod baffle plate setting ahead of the curve below plate support plate then
It is the occupancy for being conducive to reduce the present invention to front edge board support plate superjacent air space, is convenient for other screenings of staircase component to safety device
Gear, avoids safety device from being damaged by external force, is conducive to the service life for further increasing safety device.
Description of the drawings
Fig. 1 is the structural schematic diagram of one embodiment of the escalator front edge board safety device of the present invention；
Fig. 2 is the vertical view of Fig. 1；
Fig. 3 is the sectional view of A-A in Fig. 2；
Fig. 4 is the enlarged drawing of switch bracket part in Fig. 1；
In figure：1 switch bracket, 2 safety switches, 3 front edge boards, 4 upper mounted plates, 5 directive wheels, 6 fishbacks, 7 times fixations
Plate, 8 channel steels, 9 limited blocks, 10 switch baffles, 11 pull rod holders, 12 axis pins, 13 switch bracket connecting plates, 14 pull rods
Baffle, 15 pull rods, 16 preloading springs, 17 front edge board support plates, stop part on 151,152 times stop parts, 161 first bullets
Spring, 162 second springs.
Specific implementation mode
The concrete structure of the escalator front edge board safety device of the present invention is as shown in Figures 1 to 4, including front edge board support
Plate 17,17 top of front edge board support plate are equipped with front edge board 3 and fishback 6, and fishback 6 is fixed on 3 front end of front edge board, front edge board
Directive wheel 5 is fixed with below 3 front ends, 17 rear end of front edge board support plate is provided with safety switch 2 and trigger mechanism, trigger mechanism
Effect be that plate 3 retreats or hits when upper lift the trigger button of safety switch 2 and avoided to make escalator shut down ahead of the curve
Safety accident occurs.
Safety switch 2 is fixed in front edge board support plate 17, and concrete structure is as follows：Switch bracket connecting plate 13 is welded and fixed
Ahead of the curve in plate support plate 17, switch bracket 1 is connected by screw bolts with switch bracket connecting plate 13, and safety switch 2 is bolted
On switch bracket 1.Bolt connecting hole between switch bracket 1 and safety switch 2 is slotted hole to adjust the peace of safety switch 2
Holding position.
Front edge board support plate 17 is fixed on by channel steel 8 on truss, specifically front edge board support plate 17 width direction
Respectively welding is provided with one group of channel steel 8, the opening upwards of channel steel 8 for both sides, and the end welding that channel steel 8 stretches out front edge board support plate 17 is solid
It is scheduled on the chord member of truss, the fixation of channel steel 8 is realized with this.
The mounting structure of front edge board 3 is as follows：The front end of front edge board support plate 17 be bolted bottom plate 7 with it is upper
The both sides of fixed plate 4,17 width direction of front edge board support plate are both provided with one piece of bottom plate 7 and one piece of upper mounted plate 4（Fig. 1
With the bottom plate 7 and upper mounted plate 4 for illustrating only side in Fig. 2）.Front edge board 3 be installed on the upper mounted plates 4 of both sides with it is lower solid
Between fixed board 7.Specifically, the both ends lower surface of 3 width direction of front edge board is contacted with 7 upper surface of bottom plate, while forward position
There are gaps between 4 lower surface of both ends upper surface and upper mounted plate of 3 width direction of plate.So front edge board 3 is in certain stress item
It can slide backward or be lifted up on bottom plate 7 under part.
Trigger mechanism includes pull rod baffle 14, pull rod 15, preloading spring and fixation kit.Fixation kit include limited block 9,
Pull rod holder 11, switch baffle 10.
Limited block 9 is weldingly fixed on 3 rear end of front edge board and is close to the lower face of front edge board 3.The width side of pull rod holder 11
To both sides be both provided with linking arm, limited block 9, which is bolted on the linking arm of side wherein, switchs baffle 10 is welded and fixed
On the linking arm of the 11 width direction other side of pull rod holder.It is the bent plate for having certain angle, including vertical section to switch baffle 10
101 and tilting section 102, tilting section 102 is located at the lower section of vertical section 101 and its lower end is towards back sweep, and safety switch 2 touches
In the obtuse angle angle that hair button is arranged between vertical section 101 and tilting section 102, when vertical section 101 is formed in the retrogressing of front edge board 3
The retrogressing triggering end of trigger button is hit, tilting section 102 is formed in the upper lift triggering that trigger button is hit when being lifted on front edge board 3
End.The concrete structure of switch baffle 10, which realizes switch baffle 10 when front edge board 3 moves in both directions, can trigger safety
Switch 2 acts.
Pull rod holder 11 is hollow-core construction, and the upper end of pull rod 15 is stretched into the pull rod holder 11, opened on pull rod holder 11
Equipped with the pin shaft hole extended along its width direction, pin shaft hole forms the pull rod connecting pin installed for 15 upper end of pull rod, in pin shaft hole
15 upper end of pull rod is rotatably connected on pull rod holder 11 by the axis pin 12 of installation across 15 upper end of pull rod.In the present embodiment, pin
After axis 12 passes through front end and the pull rod holder 11 of pull rod 15, it is fixed on pull rod holder 11 using the fixed form of clamp spring, axis pin
Hole axle matching relationship between 12 and pull rod 15 is clearance fit, so pull rod 15 can be rotated around axis pin 12.
Pull rod baffle 14 is welded on 17 lower surface of front edge board support plate, and pull rod 15 passes through the trepanning in front edge board support plate 17
With the trepanning of pull rod baffle 14.Pull rod 15 in front edge board support plate 17 trepanning and pull rod 15 and opening on pull rod baffle 14
Matching relationship between hole is clearance fit, so pull rod 15 can be in the axial direction thereof with respect to front edge board support plate 17 and drawing
Pole spacing plate 14 moves.Preloading spring includes the first spring 161 being set on pull rod 15 and second spring 162, the first spring 161
It is separately positioned on the both sides of front edge board support plate 17 with second spring 162 and matches with the respective side block of front edge board support plate 17
It closes, 15 upper end of pull rod is provided with the upper stop part 151 for 161 upper end of the first spring of block, 15 lower end of pull rod is provided with and is used for
The lower stop part 152 of 162 lower end of block second spring.First spring 161 is used to form the pretightning force of horizontal direction, second spring
162 are used to form the pretightning force of vertical direction.In the present embodiment, pull rod 15 is screw rod, and upper stop part 151 is with lower stop part
The nut being rotatably mounted on pull rod 15, thus the installation site of adjustable nut be conveniently adjusted the first spring 161 and/or
The pretightning force of second spring 162.
When foreign matter is caught between step slot and fishback 6, front edge board 3 is pushed by fishback 6 and is retreated, and drives switch baffle
10 retreat, and the first spring 161 is compressed, and safety switch 2 acts, and escalator is out of service；When step 3 lower surface of plate ahead of the curve
It when interim card shock occurs, is lifted on front edge board 3, drives and is lifted on switch baffle 10, second spring 162 is compressed, and safety switch 2 is dynamic
Make, escalator is out of service.It can be seen that the present invention uses a safety switch 2, realize in two directions to forward position
The safeguard protection of plate 3 acts on.
In other embodiments, the specific constructive form of fixation kit can also simplify, as long as it can meet simultaneously for drawing
The rotational installation of bar upper end has the function of retreating triggering end, upper lift triggering end；It can also be arranged in plate support plate ahead of the curve
Two safety switches, then be correspondingly arranged and retreat triggering end and upper lift triggering end, the switch baffle of retrogressing triggering end is formed at this time not
It needs that tilting section is arranged, and vertical section need not be then arranged in the switch baffle of lift triggering end on being formed.
Claims (6)
1. escalator front edge board safety device, including front edge board support plate, be equipped with above front edge board support plate front edge board and
Fishback, fishback are fixed on forward position front edge of board, it is characterised in that：Front edge board support plate rear end is provided with safety switch and triggering
Mechanism, trigger mechanism include pull rod baffle, pull rod, preloading spring and fixation kit, and pull rod baffle is fixed on front edge board support plate
Lower section, pull rod is arranged with front edge board support plate in an angle and the upper end passes through pull rod baffle and front edge board support plate, pre-tightens bullet
Spring includes the first spring being set on pull rod and second spring, and the first spring is separately positioned on front edge board support with second spring
The both sides of plate and with the respective side block of front edge board support plate coordinate, pull rod upper end is provided with for the first spring upper end of block
Upper stop part, pull rod lower end be provided with the lower stop part for block second spring lower end；Fixation kit is fixed on front edge board
Rear end, including triggering end, upper lift triggering end and pull rod connecting pin are retreated, safety can be hit by retreating triggering end when plate retreats ahead of the curve
Switch and escalator made to shut down, ahead of the curve on plate lift when on lift triggering end can hit safety switch and escalator is made to shut down,
Pull rod upper end is rotatably connected on pull rod connecting pin, so can consolidate relatively with pull rod when lifting or retreating on front edge board in pull rod upper end
Determine component rotation.
2. escalator front edge board safety device according to claim 1, it is characterised in that：Fixation kit includes that switch is kept off
Plate, switch baffle include vertical section and tilting section, and tilting section is located at the lower section of vertical section and its lower end is towards back sweep, safe
In the obtuse angle angle that the trigger button of switch is arranged between vertical section and tilting section, vertical section forms the retrogressing triggering end,
Tilting section forms the upper lift triggering end.
3. escalator front edge board safety device according to claim 1, it is characterised in that：The top of front edge board support plate
It is bolted bottom plate and upper mounted plate, upper mounted plate is located at the top of bottom plate, and front edge board support is set to
There is gap, so front edge board can retreat or upper lift on bottom plate and between the upper end and upper mounted plate.
4. escalator front edge board safety device according to claim 1, it is characterised in that：Fixation kit includes pull rod branch
The both sides of frame and limited block, pull rod support width direction are both provided with linking arm, and limited block is fixed on the linking arm of side, opens
It closes baffle to be fixed on the linking arm of the other side, limited block is fixed on the rear end of front edge board and is close to the lower face of front edge board；It draws
The upper end of bar is stretched into the pull rod holder, and the pin shaft hole extended along its width direction, pin shaft hole shape are offered on pull rod holder
At the pull rod connecting pin, pull rod upper end is rotatably connected on pull rod holder by the axis pin installed in pin shaft hole across pull rod upper end
On.
5. escalator front edge board safety device according to claim 1, it is characterised in that：Pull rod is screw rod, upper block
Part can be conveniently adjusted the first bullet with the nut that lower stop part is that spiral is mounted on pull rod, the installation site of adjusting nut
The pretightning force of spring and/or second spring.
6. escalator front edge board safety device according to any one of claim 1 to 5, it is characterised in that：Front edge board
Support plate is fixed on by opening up channel steel on chord member of truss, and the both sides of front edge board support plate width direction are each provided with one
The part of front edge board support plate is stretched out for being fixed on chord member of truss in group channel steel, channel steel outer end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810984929.0A CN108750900B (en) | 2018-08-28 | 2018-08-28 | Safety device for escalator front edge plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810984929.0A CN108750900B (en) | 2018-08-28 | 2018-08-28 | Safety device for escalator front edge plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108750900A true CN108750900A (en) | 2018-11-06 |
| CN108750900B CN108750900B (en) | 2024-02-13 |
Family
ID=63967554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810984929.0A Active CN108750900B (en) | 2018-08-28 | 2018-08-28 | Safety device for escalator front edge plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108750900B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0211153A1 (en) * | 1985-08-06 | 1987-02-25 | Inventio Ag | Moving-stairs with raising sides |
| JPH11171457A (en) * | 1997-12-15 | 1999-06-29 | Hitachi Ltd | Getting in/out port safety device for man conveyor |
| JP2005314038A (en) * | 2004-04-28 | 2005-11-10 | Hitachi Ltd | Passenger conveyor |
| JP2010037066A (en) * | 2008-08-06 | 2010-02-18 | Toshiba Elevator Co Ltd | Safety device of escalator |
| JP2010052857A (en) * | 2008-08-26 | 2010-03-11 | Mitsubishi Electric Corp | Safety device of passenger conveyor entrance |
| CN202296792U (en) * | 2011-09-28 | 2012-07-04 | 快意电梯有限公司 | Safe device for front plate of escalators |
| CN204038841U (en) * | 2014-07-01 | 2014-12-24 | 西尼电梯(杭州)有限公司 | A kind of escalator and moving sidewalk fishback fender guard |
| CN104944272A (en) * | 2015-07-06 | 2015-09-30 | 苏州新达电扶梯部件有限公司 | Escalator comb plate uplifting detection device |
| WO2018029813A1 (en) * | 2016-08-10 | 2018-02-15 | 三菱電機株式会社 | Entrance/exit safety device for conveyor for transport of persons |
| CN209210173U (en) * | 2018-08-28 | 2019-08-06 | 西继迅达（许昌）电梯有限公司 | Escalator front edge board safety device |
-
2018
- 2018-08-28 CN CN201810984929.0A patent/CN108750900B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0211153A1 (en) * | 1985-08-06 | 1987-02-25 | Inventio Ag | Moving-stairs with raising sides |
| JPH11171457A (en) * | 1997-12-15 | 1999-06-29 | Hitachi Ltd | Getting in/out port safety device for man conveyor |
| JP2005314038A (en) * | 2004-04-28 | 2005-11-10 | Hitachi Ltd | Passenger conveyor |
| JP2010037066A (en) * | 2008-08-06 | 2010-02-18 | Toshiba Elevator Co Ltd | Safety device of escalator |
| JP2010052857A (en) * | 2008-08-26 | 2010-03-11 | Mitsubishi Electric Corp | Safety device of passenger conveyor entrance |
| CN202296792U (en) * | 2011-09-28 | 2012-07-04 | 快意电梯有限公司 | Safe device for front plate of escalators |
| CN204038841U (en) * | 2014-07-01 | 2014-12-24 | 西尼电梯(杭州)有限公司 | A kind of escalator and moving sidewalk fishback fender guard |
| CN104944272A (en) * | 2015-07-06 | 2015-09-30 | 苏州新达电扶梯部件有限公司 | Escalator comb plate uplifting detection device |
| WO2018029813A1 (en) * | 2016-08-10 | 2018-02-15 | 三菱電機株式会社 | Entrance/exit safety device for conveyor for transport of persons |
| CN209210173U (en) * | 2018-08-28 | 2019-08-06 | 西继迅达（许昌）电梯有限公司 | Escalator front edge board safety device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108750900B (en) | 2024-02-13 |
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| CB02 | Change of applicant information |
Address after: 461000 south section of Yanan Road, Xuchang economic and Technological Development Zone, Henan Applicant after: Xiji Xunda Elevator Co.,Ltd. Address before: 461000 south section of Yanan Road, Xuchang economic and Technological Development Zone, Henan Applicant before: XJ SCHINDLER (XUCHANG) ELEVATOR Co.,Ltd. |
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