CN109368470A - For detecting the detection device of drive chain chain rupture and the relaxation of escalator - Google Patents
For detecting the detection device of drive chain chain rupture and the relaxation of escalator Download PDFInfo
- Publication number
- CN109368470A CN109368470A CN201811413982.1A CN201811413982A CN109368470A CN 109368470 A CN109368470 A CN 109368470A CN 201811413982 A CN201811413982 A CN 201811413982A CN 109368470 A CN109368470 A CN 109368470A
- Authority
- CN
- China
- Prior art keywords
- chain
- relaxation
- safety switch
- testing agency
- detecting mechanism
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B25/00—Control of escalators or moving walkways
- B66B25/006—Monitoring for maintenance or repair
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B29/00—Safety devices of escalators or moving walkways
- B66B29/005—Applications of security monitors
Landscapes
- Escalators And Moving Walkways (AREA)
Abstract
The detection device of the drive chain chain rupture and relaxation that the invention discloses a kind of for detecting escalator, including chain Relaxation detecting mechanism and chain breakage testing agency, chain Relaxation detecting mechanism and chain breakage testing agency include safety switch, trip rod above the safety switch, cantilever and connecting plate for installing the safety switch and the cantilever, one end of the cantilever is rotatably connected on the connecting plate by shaft, using the shaft as the center of circle, arc distance in the chain breakage testing agency between trip rod and the contact of safety switch is greater than the arc distance in chain Relaxation detecting mechanism between trip rod and safety switch contact.The detection device of a kind of drive chain chain rupture for detecting escalator and relaxation of the invention avoids that brake operation can not be touched in chain relaxation and chain breakage, also avoids the movement of false triggering additional brake when chain relaxation is also unbroken.
Description
Technical field
The present invention relates to the technical fields of escalator, and in particular to a kind of drive chain suitable for detecting escalator
The detection device of chain rupture and relaxation.
Background technique
With the rapid development of social economy and the continuous improvement of lives of the people level, escalator has become the masses day
The important component often gone on a journey.While offering convenience, the accident of generation is also continuously increased escalator.Drive chain is made
For the important composition component of staircase, acted once fracture occurs and will trigger additional brake.If additional brake fails, help
Ladder will take a turn for the worse and cause casualties.In recent years, in all parts of the country that a lot of escalators occur because the fracture of main drive chain item is drawn
The rollback accident of hair, causes several passengers to come to harm.
Current escalator is all equipped with drive chain fracture detection according to national Specification.But in actual conditions,
When drive chain is relaxed to a certain extent, the movement of the broken chain detecting device equally will cause.To false triggering additional brake
Movement so that staircase stops being emergency stop with very big deceleration, the possibility for be easy to causeing personnel's tumble injury even dead.
Summary of the invention
In view of this, in order to solve problems in the prior art, the present invention provides a kind of for detecting the drive of escalator
The detection device of dynamic chain chain rupture and relaxation can make different judgement and subsequent dynamic to chain relaxation and chain breakage
Make, and dual guarantee can be played, avoids that brake operation can not be touched in chain relaxation and chain breakage, also avoid
The movement of false triggering additional brake is made so that staircase is stopped with very big deceleration when chain relaxation is also unbroken
At casualties.
In order to achieve the above object, the following technical solution is employed by the present invention:
A kind of drive chain chain rupture for detecting escalator and relaxation detection device, including chain Relaxation detecting mechanism and
Chain breakage testing agency, chain Relaxation detecting mechanism and chain breakage testing agency include safety switch, are located at institute
The trip rod above safety switch, cantilever and the connecting plate for installing the safety switch and the cantilever are stated, it is described to hit
It hits bar and the cantilever vertical is arranged, the trip rod is fixed on position and the direction for corresponding to the safety switch on the cantilever
The safety switch extends, and one end of the cantilever is rotatably connected on the connecting plate by shaft, is circle with the shaft
The heart, the arc distance in the chain breakage testing agency between trip rod and the contact of safety switch is greater than chain relaxation
Arc distance in testing agency between trip rod and safety switch contact.By installing in escalator for detecting chain
Loose chain Relaxation detecting mechanism and the chain breakage testing agency for detecting chain breakage, can be to chain relaxation and chain
Different judgement and subsequent action are made in item fracture, and can play dual guarantee, avoid in chain relaxation and chain breakage
Shi Wufa touches brake operation, also avoids the movement of false triggering additional brake when chain relaxation is also unbroken,
So that staircase is stopped with very big deceleration, cause casualties.Chain Relaxation detecting mechanism and chain breakage testing agency
Basic system is consistent, includes safety switch, the trip rod above the safety switch, cantilever and described for installing
The connecting plate of safety switch and the cantilever, different places are exactly to hit in chain breakage testing agency using shaft as the center of circle
Arc distance between bar and the contact of safety switch be greater than in chain Relaxation detecting mechanism trip rod and safety switch contact it
Between arc distance.The purpose being arranged in this way is that after chain relaxation, chain Relaxation detecting mechanism can act in advance, at this time certainly
The service brake work of dynamic staircase, and additional brake does not work, escalator will not emergency stop；After chain breakage, although chain
Relaxation detecting mechanism can also act in advance, but then chain breakage testing agency will act, at this time the work of escalator
Make brake operation and additional brake work, escalator emergency stop is dangerous to avoid chain breakage or the excessive bring of relaxation.
Preferably, the connecting plate includes the link block connecting with the shaft, is connect with link block by bending part
First vertical portion, the second vertical portion for installing the safety switch and the first vertical portion of connection are connected with the second vertical portion
Horizontal part.Bending part, the first vertical portion, the second vertical portion and horizontal part are integrally formed production, can be sheet metal component.
In some embodiments, shaft and safety in the chain breakage testing agency and chain Relaxation detecting mechanism
Vertical height between the contact of switch is identical, in chain Relaxation detecting mechanism between the contact and shaft of safety switch
Horizontal distance is greater than the horizontal distance in the chain breakage testing agency between the contact and shaft of safety switch.I.e. chain is disconnected
Splitting in testing agency and chain Relaxation detecting mechanism keeps shaft in same level height, and the contact of safety switch is also same
One level height, but the length of horizontal part is greater than the length of horizontal part in chain breakage testing agency in chain Relaxation detecting mechanism
Degree.
In further embodiments, safety switch in the chain breakage testing agency and chain Relaxation detecting mechanism
Contact and shaft between horizontal distance it is identical, in the chain breakage testing agency between shaft and the contact of safety switch
Vertical height be greater than vertical height between shaft and the contact of safety switch in chain Relaxation detecting mechanism.That is chain
The length for being broken horizontal part in testing agency is identical as the length of horizontal part in chain Relaxation detecting mechanism, but shaft and safety
Vertical height between the contact of switch is different.
It is further preferred that the horizontal distance in chain Relaxation detecting mechanism between the contact and shaft of safety switch is big
Horizontal distance in the chain breakage testing agency between the contact and shaft of safety switch, the chain breakage detection machine
Vertical height in structure between shaft and the contact of safety switch is greater than shaft and safety open in chain Relaxation detecting mechanism
Vertical height between the contact of pass.The length of horizontal part is greater than in chain breakage testing agency i.e. in chain Relaxation detecting mechanism
The length of horizontal part, and the vertical height between shaft and the contact of safety switch is different.
Three of the above technical solution is to realize using shaft as the center of circle, trip rod and safety open in chain breakage testing agency
Arc distance between the contact of pass be greater than the arc in chain Relaxation detecting mechanism between trip rod and safety switch contact away from
From different technological means.
Preferably, it is provided with pouring weight on the one end of the cantilever far from the shaft, the two sides of the pouring weight set for arc
It sets.The setting of pouring weight can drive rapidly cantilever when chain relaxation or fracture so that the movement of cantilever is sensitiveer
Rotation, and then trip rod is driven to touch contact, safety switch movement.The two sides of pouring weight are arc setting, it can be facilitated to be placed on
On chain, the operation of chain will not be stopped.
It is further preferred that the pouring weight is that metal or rubber or rubber are wrapped in metal.Metal selects density greatly and cheap
Metal such as iron etc., rubber can be further reduced the abrasion between pouring weight and chain.
Preferably, chain Relaxation detecting mechanism and chain breakage testing agency are corresponded to by mounting bracket is mounted on institute
It states on the truss of escalator.
It is further preferred that sliding slot is offered in the mounting bracket, chain Relaxation detecting mechanism and chain breakage inspection
Mechanism is surveyed to be mounted in the sliding slot by fastener.It, can be by adjustment chain relaxation by opening up sliding slot in mounting bracket
Testing agency and chain breakage testing agency installation site, and then adjust the degree of cooperation between chain.
Preferably, when the escalator operates normally, the cantilever is located in the drive chain of the escalator, institute
The contact that the trip rod in chain Relaxation detecting mechanism and chain breakage testing agency does not touch safety switch is stated, it is described
Safety switch is failure to actuate；After the drive chain relaxation, the cantilever has one end of pouring weight sagging, the chain Relaxation detecting
Trip rod in mechanism touches the contact of safety switch, the safety switch movement in chain Relaxation detecting mechanism, described
The service brake of escalator works；After the drive chain fracture, the cantilever has one end of pouring weight sagging, the chain
Trip rod in Relaxation detecting mechanism touches the contact of safety switch, the safety switch in chain Relaxation detecting mechanism
The service brake of movement, the escalator works, and the trip rod in the chain breakage testing agency touches safety open
The contact of pass, the safety switch movement in the chain breakage testing agency, the additional brake work of the escalator.
Compared with prior art, the invention has the beneficial effects that: of the invention is a kind of for detecting the drive of escalator
The detection device of dynamic chain chain rupture and relaxation, it is reasonable in design, it include the chain relaxation inspection for detecting chain relaxation
Mechanism and the chain breakage testing agency for detecting chain breakage are surveyed, and dual guarantee can be played, is avoided in chain pine
Brake operation can not be touched when relaxing with chain breakage, also avoids the additional system of false triggering when chain relaxation is also unbroken
The movement of dynamic device causes casualties so that staircase is stopped with very big deceleration；When relaxation only occurs for drive chain still not
Chain Relaxation detecting mechanism can be triggered when fracture, service brake work keeps staircase out of service, maintenance staff find the problem
Afterwards, adjustment in time is tensioned drive chain and resets chain Relaxation detecting mechanism；It can be triggered when drive chain hair is at fracture
Triggering additional brake is further acted, is prevented by chain Relaxation detecting mechanism and chain breakage testing agency simultaneously operation
Staircase rollback.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the main view of chain Relaxation detecting mechanism or chain breakage testing agency in the preferred embodiment of the present invention；
Fig. 2 is the top view of chain Relaxation detecting mechanism or chain breakage testing agency in the preferred embodiment of the present invention；
Fig. 3 is the main view of chain breakage testing agency in normal work in the preferred embodiment of the present invention；
Fig. 4 is main view of the chain breakage testing agency in chain breakage in the preferred embodiment of the present invention；
Fig. 5 is the main view of chain Relaxation detecting mechanism in normal work in the preferred embodiment of the present invention；
Fig. 6 is main view of the chain Relaxation detecting mechanism in chain relaxation in the preferred embodiment of the present invention；
Fig. 7 is the schematic diagram of chain Relaxation detecting mechanism and the installation of chain breakage testing agency in the preferred embodiment of the present invention；
Fig. 8 is the signal of chain Relaxation detecting mechanism and the installation of chain breakage testing agency in another preferred embodiment of the present invention
Figure；
Fig. 9 is the main view of chain breakage testing agency in normal work in another preferred embodiment of the present invention；
Figure 10 is main view of the chain breakage testing agency in chain breakage in another preferred embodiment of the present invention；
Figure 11 is the signal of chain Relaxation detecting mechanism and the installation of chain breakage testing agency in another preferred embodiment of the present invention
Figure；
Wherein: chain Relaxation detecting mechanism -1, chain breakage testing agency -2, safety switch -3, contact -31, trip rod -4 hang
Arm -5, connecting plate -6, link block -61, the first vertical portion -62, horizontal part -63, the second vertical portion -64, pouring weight -7, installation branch
Frame -8, sliding slot -81, truss -9, drive chain -10, host -11, fastener -12, shaft -13.
Specific embodiment
In order that those skilled in the art will better understand the technical solution of the present invention, implement below in conjunction with the present invention
Attached drawing in example, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment
Only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work, all should belong to protection of the present invention
Range.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that cover
Covering non-exclusive includes to be not necessarily limited to for example, containing the process, method of a series of steps or units, device, product or equipment
Step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, product
Or other step or units that equipment is intrinsic.
Referring to Fig.1-7, the detection of a kind of drive chain chain rupture for detecting escalator of the present embodiment and relaxation dress
It sets, including chain Relaxation detecting mechanism 1 and chain breakage testing agency 2.
As shown in figures 1 to 6, chain Relaxation detecting mechanism 1 and chain breakage testing agency 2 include safety switch 3, are located at
Trip rod 4, cantilever 5 and the connecting plate 6 for installing safety switch 3 and cantilever 5 of the top of safety switch 3, trip rod 4 and outstanding
Arm 5 is vertically arranged, and trip rod 4 is fixed on the position for corresponding to safety switch 3 on cantilever 5 and extends towards safety switch 3, cantilever 5
One end be rotatably connected on connecting plate 6 by shaft 13, be the center of circle with shaft 13, trip rod 4 in chain breakage testing agency 2
Arc distance between the contact 31 of safety switch 3 is greater than trip rod 4 and safety switch 3 in chain Relaxation detecting mechanism 1 and touches
Arc distance between first 31.As shown in Figure 3-4, the position for chain breakage testing agency 2 when working normally and chain breakage
Set schematic diagram；As seen in figs. 5-6, the position view for chain Relaxation detecting mechanism 1 when working normally and chain breakage, can
To find out, the arc distance in chain Relaxation detecting mechanism 1 between 3 contact 31 of trip rod 4 and safety switch is less than chain breakage
Arc distance in testing agency 2 between trip rod 4 and the contact 31 of safety switch 3, even drive chain 10 are broken, chain
Trip rod 4 is first hit with the contact 31 of safety switch 3 in Relaxation detecting mechanism 1, is hit in chain breakage testing agency 2 later
31 device of contact of bar 4 and safety switch 3, there is sequencing on the time, disconnected not yet in the relaxation of drive chain 10 to guarantee
When splitting, chain Relaxation detecting mechanism 1 can be acted, and chain breakage testing agency 2 still works normally, and will not trigger additional system
Dynamic device work.
By being installed in escalator for detecting the loose chain Relaxation detecting mechanism 1 of chain and for detecting chain
The chain breakage testing agency 2 of fracture can make different judgement and subsequent action to chain relaxation and chain breakage, and
Dual guarantee can be played, avoids that brake operation can not be touched in chain relaxation and chain breakage, also avoids in chain
The movement of false triggering additional brake causes personnel so that staircase is stopped with very big deceleration when relaxation is also unbroken
Injures and deaths.
As shown in figures 1 to 6, connecting plate 6 includes the link block 61 connecting with shaft 13, by bending part and the company of link block 61
The first vertical portion 62 connect, the second vertical portion 64 for installing safety switch 3 and the first vertical portion of connection 62 and second are perpendicular
The horizontal part 63 that straight portion 64 connects.I.e. connecting plate 6 mainly includes link block 61 and integrally formed bending part, the first vertical portion
62, the second vertical portion 64 and horizontal part 63.
As seen in figures 3-6, in the present embodiment in chain breakage testing agency 2 and chain Relaxation detecting mechanism 1 shaft 13 with
Vertical height between the contact 31 of safety switch 3 is identical, in chain Relaxation detecting mechanism 1 contact 31 of safety switch 3 with turn
Horizontal distance between axis 13 is greater than the level in chain breakage testing agency 2 between the contact 31 and shaft 13 of safety switch 3
Distance.Keep shaft 13 in same level height, safety open i.e. in chain breakage testing agency 2 and chain Relaxation detecting mechanism 1
The contact 31 of pass 3 is also in same level height, but the length of horizontal part 63 is greater than chain breakage in chain Relaxation detecting mechanism 1
The length of horizontal part 63 in testing agency 2.
In further embodiments, in chain breakage testing agency 2 and chain Relaxation detecting mechanism 1 safety switch 3 touching
Horizontal distance between first 31 and shaft 13 is identical, in chain breakage testing agency 2 contact 31 of shaft 13 and safety switch 3 it
Between vertical height be greater than vertical height between shaft 13 and the contact 31 of safety switch 3 in chain Relaxation detecting mechanism 1.I.e.
The length of horizontal part 63 is identical as the length of horizontal part 63 in chain Relaxation detecting mechanism 1 in chain breakage testing agency 2, still
Vertical height between shaft 13 and the contact 31 of safety switch 3 is different.
In Fig. 5-6 and 9-10, in further embodiments, the contact 31 of safety switch 3 in chain Relaxation detecting mechanism 1
Horizontal distance between shaft 13 is greater than in chain breakage testing agency 2 between the contact 31 and shaft 13 of safety switch 3
Horizontal distance, the vertical height in chain breakage testing agency 2 between shaft 13 and the contact 31 of safety switch 3 are greater than chain pine
Vertical height in relaxation testing agency 1 between shaft 13 and the contact 31 of safety switch 3.That is water in chain Relaxation detecting mechanism 1
The length in flat portion 63 is greater than the length of horizontal part 63 in chain breakage testing agency 2, and the contact 31 of shaft 13 and safety switch 3
Between vertical height it is different.
Three of the above technical solution is to realize with shaft 13 for the center of circle, trip rod 4 and peace in chain breakage testing agency 2
Arc distance between the contact 31 of full switch 3 is greater than trip rod 4 and 3 contact 31 of safety switch in chain Relaxation detecting mechanism 1
Between arc distance different technological means.
Pouring weight 7 is provided in the present embodiment on the one end of cantilever 5 far from shaft 13, pouring weight 7 is fixed on by fastener 12
On cantilever 5, the two sides of pouring weight 7 are arc setting.The setting of pouring weight 7, can be in chain pine so that the movement of cantilever 5 is sensitiveer
It relaxes or drives cantilever 5 to rotate rapidly when fracture, and then trip rod 4 is driven to touch contact 31, safety switch 3 acts.Weight
The two sides of block 7 are arc setting, it can be facilitated to be placed on chain, will not stop the operation of chain.Pouring weight 7 is metal or rubber
Or rubber is wrapped in metal.The metal such as iron etc. that metal selects density big and cheap, rubber can be further reduced pouring weight 7
Abrasion between chain.
Chain Relaxation detecting mechanism 1 and chain breakage testing agency 2 are mounted on by the correspondence of mounting bracket 8 in the present embodiment
On the truss 9 of escalator.As seen in figures 3-6, sliding slot 81, the extending direction of sliding slot 81 and installation are offered in mounting bracket 8
The extending direction of bracket 8 is identical.Chain Relaxation detecting mechanism 1 and chain breakage testing agency 2 pass through fastener 12 and are mounted on cunning
In slot 81.By opening up sliding slot 81 in mounting bracket 8, adjustment chain Relaxation detecting mechanism 1 and chain breakage can be detected
2 installation site of mechanism, and then adjust the degree of cooperation between chain.Fastener 12 is bolt assembly or screw assembly.
When escalator operates normally, cantilever 5 is located in the drive chain 10 of escalator, chain Relaxation detecting mechanism 1
The contact 31 of safety switch 3 is not touched with the trip rod 4 in chain breakage testing agency 2, safety switch 3 is failure to actuate；
After the relaxation of drive chain 10, cantilever 5 has one end of pouring weight 7 sagging, and the trip rod 4 in chain Relaxation detecting mechanism 1 touches
The contact 31 of safety switch 3, the safety switch 3 in chain Relaxation detecting mechanism 1 act, the service brake work of escalator
Make；After drive chain 10 is broken, cantilever 5 has one end of pouring weight 7 sagging, and the trip rod 4 in chain Relaxation detecting mechanism 1 is touched
To the contact 31 of safety switch 3, the safety switch 3 in chain Relaxation detecting mechanism 1 is acted, the service brake work of escalator
Make, the trip rod 4 in chain breakage testing agency 2 touches the contact 31 of safety switch 3, in chain breakage testing agency 2
Safety switch 3 acts, the additional brake work of escalator.If elevator only relaxes, service brake can be only triggered
Work, will not false triggering additional brake work, not will lead to the emergency stop of elevator.It can continue to make after maintenance personal's adjustment
With.
As shown in fig. 7, chain Relaxation detecting mechanism 1 and chain breakage testing agency 2 are installed in lower section in the present embodiment
Drive chain 10 on.As shown in figure 8, in further embodiments, chain Relaxation detecting mechanism 1 is mounted on the drive chain of lower section
On item 10, in the drive chain 10 that chain breakage testing agency 2 is mounted above.As shown in figure 11, in further embodiments,
Chain Relaxation detecting mechanism 1 and chain breakage testing agency 2 are installed in the drive chain 10 of top.Above mounting means
It can achieve the effect that the present invention to be realized.The position of installation and the quantity of testing agency can be carried out according to practical situation
Adjustment.
The detection device of a kind of drive chain chain rupture for detecting escalator and relaxation of the invention, structure design
It rationally, include the chain Relaxation detecting mechanism for detecting chain relaxation and the chain breakage detection for detecting chain breakage
Mechanism, and dual guarantee can be played, it avoids that brake operation can not be touched in chain relaxation and chain breakage, also avoids
The movement of false triggering additional brake when chain relaxation is also unbroken, so that staircase is with very big deceleration stopping,
It causes casualties；When drive chain only occur relaxation but it is unbroken when can trigger chain Relaxation detecting mechanism, service braking
Device work, keeps staircase out of service, and after maintenance staff find the problem, adjustment in time is tensioned drive chain and resets chain relaxation inspection
Survey mechanism；Chain Relaxation detecting mechanism and chain breakage testing agency can be triggered when drive chain hair is at fracture while being moved
Make, further triggering additional brake is acted, prevents staircase rollback.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention, it is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (10)
1. the detection device of a kind of drive chain chain rupture for detecting escalator and relaxation, which is characterized in that including chain
Relaxation detecting mechanism and chain breakage testing agency, chain Relaxation detecting mechanism and chain breakage testing agency include peace
Full switch, the trip rod above the safety switch, cantilever and for installing the safety switch and the cantilever
Connecting plate, the trip rod are fixed on the position for corresponding to the safety switch on the cantilever and prolong towards the safety switch
It stretches, one end of the cantilever is rotatably connected on the connecting plate by shaft, using the shaft as the center of circle, the chain breakage
Arc distance in testing agency between trip rod and the contact of safety switch, which is greater than in chain Relaxation detecting mechanism, hits
Arc distance between bar and safety switch contact.
2. the detection device of a kind of drive chain chain rupture for detecting escalator according to claim 1 and relaxation,
It is characterized in that, the connecting plate include the link block being connect with the shaft, connect by bending part with link block first
The water that vertical portion, the second vertical portion for installing the safety switch and the first vertical portion of connection are connected with the second vertical portion
Flat portion.
3. the detection device of a kind of drive chain chain rupture for detecting escalator according to claim 2 and relaxation,
It is characterized in that, in the chain breakage testing agency and the chain Relaxation detecting mechanism contact of shaft and safety switch it
Between vertical height it is identical, the horizontal distance in chain Relaxation detecting mechanism between the contact and shaft of safety switch is greater than
Horizontal distance in the chain breakage testing agency between the contact and shaft of safety switch.
4. the detection device of a kind of drive chain chain rupture for detecting escalator according to claim 2 and relaxation,
It is characterized in that, in the chain breakage testing agency and the chain Relaxation detecting mechanism contact of safety switch and shaft it
Between horizontal distance it is identical, the vertical height in the chain breakage testing agency between shaft and the contact of safety switch is greater than
Vertical height in chain Relaxation detecting mechanism between shaft and the contact of safety switch.
5. the detection device of a kind of drive chain chain rupture for detecting escalator according to claim 2 and relaxation,
It is characterized in that, the horizontal distance in chain Relaxation detecting mechanism between the contact and shaft of safety switch is greater than the chain
Item is broken the horizontal distance in testing agency between the contact and shaft of safety switch, shaft in the chain breakage testing agency
Vertical height between the contact of safety switch is greater than the contact of shaft and safety switch in chain Relaxation detecting mechanism
Between vertical height.
6. the detection device of a kind of drive chain chain rupture for detecting escalator according to claim 1 and relaxation,
It is characterized in that, being provided with pouring weight on the one end of the cantilever far from the shaft, the two sides of the pouring weight are arc setting.
7. the detection device of a kind of drive chain chain rupture for detecting escalator according to claim 6 and relaxation,
It is characterized in that, the pouring weight is that metal or rubber or rubber are wrapped in metal.
8. the detection device of a kind of drive chain chain rupture for detecting escalator according to claim 1 and relaxation,
It is characterized in that, chain Relaxation detecting mechanism and chain breakage testing agency by mounting bracket it is corresponding be mounted on it is described from
On the truss of dynamic staircase.
9. the detection device of a kind of drive chain chain rupture for detecting escalator according to claim 8 and relaxation,
It is characterized in that, offering sliding slot in the mounting bracket, chain Relaxation detecting mechanism and chain breakage testing agency are logical
Fastener is crossed to be mounted in the sliding slot.
10. a kind of for detecting the drive chain chain rupture and relaxation of escalator described in -9 any one according to claim 1
Detection device, which is characterized in that the escalator operate normally when, the cantilever is located at the drive chain of the escalator
On item, the trip rod in chain Relaxation detecting mechanism and chain breakage testing agency does not touch the touching of safety switch
Head, the safety switch are failure to actuate；After the drive chain relaxation, the cantilever has one end of pouring weight sagging, the chain
Trip rod in Relaxation detecting mechanism touches the contact of safety switch, and the safety switch in chain Relaxation detecting mechanism is dynamic
Make, the service brake work of the escalator；After the drive chain fracture, the cantilever has under one end of pouring weight
It hangs down, the trip rod in chain Relaxation detecting mechanism touches the contact of safety switch, in chain Relaxation detecting mechanism
Safety switch movement, the service brake work of the escalator, the trip rod touching in the chain breakage testing agency
Encounter the contact of safety switch, the safety switch movement in the chain breakage testing agency, the additional system of the escalator
Dynamic device work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811413982.1A CN109368470B (en) | 2018-11-26 | 2018-11-26 | Detection device for detecting chain breakage and looseness of driving chain of escalator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811413982.1A CN109368470B (en) | 2018-11-26 | 2018-11-26 | Detection device for detecting chain breakage and looseness of driving chain of escalator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109368470A true CN109368470A (en) | 2019-02-22 |
| CN109368470B CN109368470B (en) | 2023-09-15 |
Family
ID=65383613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811413982.1A Active CN109368470B (en) | 2018-11-26 | 2018-11-26 | Detection device for detecting chain breakage and looseness of driving chain of escalator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109368470B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201321336Y (en) * | 2008-12-29 | 2009-10-07 | 浙江莱茵电梯有限公司 | Device for protecting drive chain of escalator |
| CN204111157U (en) * | 2014-09-18 | 2015-01-21 | 广州广日电梯工业有限公司 | A kind of escalator or footway chain breakage protection device |
| CN108584661A (en) * | 2018-04-19 | 2018-09-28 | 永大电梯设备（中国）有限公司 | Additional brake of escalator device |
| CN108657930A (en) * | 2018-04-19 | 2018-10-16 | 永大电梯设备（中国）有限公司 | The urgent stopping device of escalator |
-
2018
- 2018-11-26 CN CN201811413982.1A patent/CN109368470B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201321336Y (en) * | 2008-12-29 | 2009-10-07 | 浙江莱茵电梯有限公司 | Device for protecting drive chain of escalator |
| CN204111157U (en) * | 2014-09-18 | 2015-01-21 | 广州广日电梯工业有限公司 | A kind of escalator or footway chain breakage protection device |
| CN108584661A (en) * | 2018-04-19 | 2018-09-28 | 永大电梯设备（中国）有限公司 | Additional brake of escalator device |
| CN108657930A (en) * | 2018-04-19 | 2018-10-16 | 永大电梯设备（中国）有限公司 | The urgent stopping device of escalator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109368470B (en) | 2023-09-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103693539B (en) | Double-vane layer door opening protecting apparatus | |
| CN111847191B (en) | Elevator steel wire rope broken wire and strand detection system and steel wire rope broken wire and strand detection device | |
| CN108726304A (en) | A kind of hanging basket steel wire rope breakage intelligent detection device | |
| CN202704775U (en) | Automatic recognition system for short circuiting of door lock of elevator | |
| CN107140501A (en) | Cage type elevator runs security system and its control method | |
| CN108358136A (en) | Workbench anti-extrusion system, aerial work platform and control method | |
| CN111115404B (en) | Elevator steel wire rope breakage and strand breakage detection device and detection method thereof | |
| CN209481036U (en) | For detecting the detection device of drive chain chain rupture and the relaxation of escalator | |
| CN109368470A (en) | For detecting the detection device of drive chain chain rupture and the relaxation of escalator | |
| CN105523459B (en) | The alarm method and device of building hoist generation groove skipping of steel rope while failure | |
| CN107651524A (en) | A kind of elevator rope break testing agency | |
| CN204081437U (en) | Climbing scaffold falling proof device | |
| CN205419386U (en) | Can prevent unexpected elevator that rises or descend of car | |
| CN113086816A (en) | Secondary protection device for opening elevator landing door | |
| CN205932805U (en) | Jacking equipment safety control | |
| CN210164312U (en) | Stereo garage wire rope locking mechanism that breaks | |
| CN201530646U (en) | Steel wire rope fracture detection device | |
| CN204057610U (en) | A kind of self-align gate is locked a door cutter | |
| CN201317618Y (en) | Safety protector for escalator or moving sidewalk | |
| CN109879143A (en) | Elevator car door system and its door knife with enabling limits device | |
| CN115744534A (en) | Elevator overspeed governor safety tongs link gear | |
| CN206486167U (en) | A kind of drive chain of escalator detection means | |
| CN214780096U (en) | Elevator compensation chain anti-swing and over-extension detection device | |
| CN215207931U (en) | Cable protection device | |
| CN102765645B (en) | Monitoring protection device for elevator abnormal operation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |