CN209177834U - The tensioning device and handrail drive system of handrail drive system - Google Patents
The tensioning device and handrail drive system of handrail drive system Download PDFInfo
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- CN209177834U CN209177834U CN201821991045.XU CN201821991045U CN209177834U CN 209177834 U CN209177834 U CN 209177834U CN 201821991045 U CN201821991045 U CN 201821991045U CN 209177834 U CN209177834 U CN 209177834U
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- adjustable shelf
- tensioning device
- fixed frame
- elastic component
- mounting portion
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Abstract
This application discloses the tensioning device of handrail drive system and handrail drive systems, wherein tensioning device includes: including fixed frame, adjustable shelf, steering sprocket, puller bolt, turnbuckle and elastic component；There are multiple strip-shaped holes on fixed frame or adjustable shelf；Steering sprocket is rotatably installed on adjustable shelf；Puller bolt is used to adjust the gap between adjustable shelf and fixed frame；Turnbuckle is mounted between fixed frame and adjustable shelf and passes through corresponding strip-shaped hole, and adjustable shelf can be moved back and forth along the length direction of strip-shaped hole；Elastic component is used to that adjustable shelf to be made to have the movement tendency mobile to side.The application passes through the cooperation of puller bolt and turnbuckle, can adjust the gap of fixed frame and adjustable shelf；It can make adjustable shelf that there is the movement tendency mobile to side by the way that elastic component is arranged, after long-play chain slowly elongates, that is, in terms of existing technologies elastic component tensioner chain can not need to tear the tensioner chain that machine can be adaptive open in real time.
Description
Technical field
The utility model relates to escalator fields, and in particular to the tensioning device and handrail of handrail drive system drive
System.
Background technique
Handrail drive system is that the escalator of end driving needs to pass to the driving force of main driving in the driving of end, so
Handrail synchronous operation is driven afterwards, and is wherein divided and be directly driven by the two-stage that chain connects main driving and by a transition
The three-level of handrail drive shaft is driven, three-level transmission be exactly it is main be driven through chain connection transition handrail drive shaft, and transition handrail
Drive shaft has a preferable tension further through chain connection end driving in order to guarantee to make chain, when installation, transition handrail drive shaft
Tensioning device can be set on chain between the driving of end, the tensioner degree of chain is adjusted by the tensioning device.
For escalator after long-play, new chain will appear elongation situation, if the appearance of this situation can not timely tensioner
Chain then will appear chain shake, the security risk of chain releasing.Existing tensioning device can not adjust the effect of tensioner in real time
Fruit, and tensioning device is installed on inside escalator, maintenance difficulty is larger.
Utility model content
The utility model is in view of the above-mentioned problems, propose the tensioning device and handrail drive system of handrail drive system.
The technical solution that the utility model is taken is as follows:
A kind of tensioning device of handrail drive system, including fixed frame, adjustable shelf, steering sprocket, puller bolt, tension spiral shell
Bolt and elastic component；There are multiple strip-shaped holes on the fixed frame or adjustable shelf；The steering sprocket is rotatably installed in adjustable shelf
On；The puller bolt is screwed on fixed frame, and end offsets with adjustable shelf, and either, the puller bolt is screwed onto activity
On frame, end offsets with fixed frame, and puller bolt is used to adjust the gap between adjustable shelf and fixed frame；The turnbuckle peace
Between fixed frame and adjustable shelf and corresponding strip-shaped hole is passed through, adjustable shelf can back and forth be moved along the length direction of strip-shaped hole
It is dynamic；The elastic component is used to that adjustable shelf to be made to have the movement tendency mobile to side.
By the cooperation of puller bolt and turnbuckle, the gap of fixed frame and adjustable shelf can be adjusted, can be adjusted
The position of steering sprocket can effectively avoid chain biting teeth；When practice, chain can cooperate with steering sprocket, chain-driving
Steering sprocket overcomes the elastic force of elastic component, so that steering sprocket tensioner chain, can make activity by the way that elastic component is arranged
Frame has the movement tendency mobile to side, after long-play chain slowly elongates, elastic component can real-time tensioner chain,
I.e. in terms of existing technologies, it does not need to tear the tensioner chain that machine can be adaptive open.
In the utility model wherein an embodiment, there are two the steering sprockets.
Two steering sprockets, which are arranged, to carry out tensioner to structure at chain two, and tensioner effect is more preferable.
In the utility model wherein an embodiment, the first nut is bolted on puller bolt.
First nut can lock puller bolt after puller bolt is adjusted in place.
In the utility model wherein an embodiment, the turnbuckle has multiple, and the second spiral shell is bolted on turnbuckle
It is female.
When practice, the second nut can be set to two, one of them is screwed retaining ring.
In the utility model wherein an embodiment, the fixed frame and adjustable shelf are L-shaped structure, and fixed frame includes phase
Mutually vertical the first auxiliary section and the first mounting portion, adjustable shelf include orthogonal second auxiliary section and the second installation
Portion；The steering sprocket is rotatably installed on the second auxiliary section, and the turnbuckle is mounted on the first auxiliary section and the second cooperation
In portion, the puller bolt is used to adjust the gap between the first auxiliary section and the second auxiliary section；Tensioning device further includes installation
Bolt, the threaded shank of the installation bolt sequentially pass through the first mounting portion and the second mounting portion, are cased with the first limit outside in threaded shank
Position plate, is also bolted with third nut, third nut and the first limit plate against for limiting the position of the first limit plate in threaded shank
It sets, the elastic component is compressed spring, and elastic component housing is in threaded shank, and one end and the first limit plate are against, the other end and the
The cooperation of one mounting portion.
When installation, the position of the first limit plate can be adjusted by adjusting third nut, compressed spring can be adjusted
Decrement, to adjust the tightness of chain.This structure installation and debugging are more convenient.
When practice, third nut can there are two, one of them is screwed retaining ring, can be with by setting screwed retaining ring
The position of the first limit plate of effective position.
It is also outer in the threaded shank to be cased with the second limit plate, second limit in the utility model wherein an embodiment
Position plate and the first mounting portion against, one end of the elastic component and the second limit plate against.
Elastic component is cooperated by the second limit plate and the first mounting portion, and this structure stress effect is preferable.
In the utility model wherein an embodiment, the fixed frame and adjustable shelf are L-shaped structure, and fixed frame includes phase
Mutually vertical the first auxiliary section and the first mounting portion, adjustable shelf include orthogonal second auxiliary section and the second installation
Portion；The steering sprocket is rotatably installed on the second auxiliary section, and the turnbuckle is mounted on the first auxiliary section and the second cooperation
In portion, the puller bolt is used to adjust the gap between the first auxiliary section and the second auxiliary section；Elastic component setting is the
Between one mounting portion and the second mounting portion.
In the utility model wherein an embodiment, the elastic component is holddown spring or tension spring.
In the utility model wherein an embodiment, limit knot is provided between first mounting portion and the second mounting portion
Structure, the elastic component housing is on position limiting structure.
Disclosed herein as well is a kind of handrail drive systems, comprising:
Main drive wheel；
Transition handrail drive shaft, is equipped with the first sprocket wheel and the second sprocket wheel；
First chain is mounted between main drive wheel and the first sprocket wheel；
End driving wheel；
Second chain is mounted between the second sprocket wheel and end driving wheel；
Tensioning device, with the second chain interoperation, tensioning device is the tensioning device in the present embodiment；
Second chain includes first part and the second part for connecting the second sprocket wheel and end driving wheel, tensioning device
Steering sprocket there are two, one of steering sprocket and first part cooperate, and are used for tensioner first part, another steering sprocket
Cooperate with second part, is used for tensioner second part.
In handrail drive system, the second chain-driving steering sprocket overcomes the elastic force of elastic component, so that turning to chain
Tensioner chain is taken turns, one of steering sprocket and first part cooperate, and are used for tensioner first part, another steering sprocket and second
Part cooperates, and is used for tensioner second part, and by the way that elastic component is arranged, after long-play chain slowly elongates, elastic component can
With real-time tensioner chain, in terms of existing technologies, do not need to tear the tensioner chain that machine can be adaptive open.
The beneficial effects of the utility model are: tensioner effect can be adjusted in real time, so not needing dismounting escalator
Carry out the biggish manual adjusting operation of difficulty.
Detailed description of the invention:
Fig. 1 is the schematic diagram of the tensioning device of handrail drive system；
Fig. 2 is the top view of the tensioning device of handrail drive system；
Fig. 3 is the schematic diagram of handrail drive system.
Each appended drawing reference in figure are as follows:
1, fixed frame；2, adjustable shelf；3, steering sprocket；4, strip-shaped hole；5, puller bolt；6, the first nut；7, spiral shell is tensed
Bolt；8, the second nut；9, elastic component；10, the first auxiliary section；11, the first mounting portion；12, the second auxiliary section；13, the second installation
Portion；14, bolt is installed；15, threaded shank；16, the first limit plate；17, the second limit plate；18, main drive wheel；19, transition handrail
Drive shaft；20, the first sprocket wheel；21, the second sprocket wheel；22, end driving wheel；23, the first chain；24, the second chain；25, first
Part；26, second part；27, third nut.
Specific embodiment:
Below with reference to each attached drawing, the utility model is described in detail.
As illustrated in fig. 1 and 2, a kind of tensioning device of handrail drive system, including fixed frame 1, adjustable shelf 2, steering sprocket
3, puller bolt 5, turnbuckle 7 and elastic component 9；There are multiple strip-shaped holes 4 on fixed frame 1 or adjustable shelf 2；Steering sprocket 3
It is rotatably installed on adjustable shelf 2；Puller bolt 5 is screwed on fixed frame 1, and end offsets with adjustable shelf 2, either, holds out against spiral shell
Bolt 5 is screwed on adjustable shelf 2, and end offsets with fixed frame 1, and puller bolt 5 is for adjusting between adjustable shelf 2 and fixed frame 1
Gap；Turnbuckle 7 is mounted between fixed frame 1 and adjustable shelf 2 and passes through corresponding strip-shaped hole 4, and adjustable shelf 2 can be along item
The length direction in shape hole 4 moves back and forth；Elastic component 9 is used to that adjustable shelf 2 to be made to have the movement tendency mobile to side.
By the cooperation of puller bolt 5 and turnbuckle 7, the gap of fixed frame 1 and adjustable shelf 2 can be adjusted, it can
The position for adjusting steering sprocket 3, can effectively avoid chain biting teeth；When practice, chain can cooperate with steering sprocket 3, chain
Band moves the elastic force that steering sprocket 3 overcomes elastic component 9, so that 3 tensioner chain of steering sprocket, by the way that elastic component 9 is arranged
It can make adjustable shelf 2 that there is the movement tendency mobile to side, after long-play chain slowly elongates, elastic component 9 can be with
That is, in terms of existing technologies real-time tensioner chain does not need to tear the tensioner chain that machine can be adaptive open.
As illustrated in fig. 1 and 2, in this present embodiment, there are two steering sprockets 3.Two steering sprockets 3 are arranged can be to chain
Structure carries out tensioner at two, and tensioner effect is more preferable.
As shown in Fig. 2, in this present embodiment, the first nut 6 is bolted on puller bolt 5.First nut 6 can held out against
After bolt 5 is adjusted in place, puller bolt 5 is locked.
As shown in Fig. 2, in this present embodiment, turnbuckle 7 has multiple, and the second nut 8 is bolted on turnbuckle 7.This
In embodiment, the second nut 8 is set as two, one of them is screwed retaining ring.
As illustrated in fig. 1 and 2, in this present embodiment, fixed frame 1 and adjustable shelf 2 are L-shaped structure, and fixed frame 1 includes mutual
Vertical the first auxiliary section 10 and the first mounting portion 11, adjustable shelf 2 include orthogonal second auxiliary section 12 and second
Mounting portion 13；Steering sprocket 3 is rotatably installed on the second auxiliary section 12, and turnbuckle 7 is mounted on the first auxiliary section 10 and second
On auxiliary section 12, puller bolt 5 is used to adjust the gap between the first auxiliary section 10 and the second auxiliary section 12；Tensioning device is also wrapped
Installation bolt 14 is included, the threaded shank 15 of installation bolt 14 sequentially passes through the first mounting portion 11 and the second mounting portion 13, threaded shank 15
It is cased with the first limit plate 16 outside upper, third nut 27 is also bolted in threaded shank 15, third nut 27 is supported with the first limit plate 16
It leans on, for limiting the position of the first limit plate 16, elastic component 9 is compressed spring, and 9 housing of elastic component is in threaded shank 15, one end
With the first limit plate 16 against the other end and the first mounting portion 11 cooperate.
When installation, the position of the first limit plate 16 can be adjusted by adjusting third nut 27, compression bullet can be adjusted
The decrement of spring, to adjust the tightness of chain.This structure installation and debugging are more convenient.In the present embodiment, third spiral shell
There are two mothers 27, one of them is screwed retaining ring, can be with the position of the first limit plate of effective position 16 by setting screwed retaining ring.
It is also outer in threaded shank 15 to be cased with the second limit plate 17 as shown in Fig. 2, in this present embodiment, the second limit plate 17 with
First mounting portion 11 against, one end of elastic component 9 and the second limit plate 17 against.Elastic component 9 passes through the second limit plate 17 and the
The cooperation of one mounting portion 11, this structure stress effect are preferable.
In other embodiments, fixed frame 1 and adjustable shelf 2 are L-shaped structure, and fixed frame 1 includes orthogonal first
Auxiliary section 10 and the first mounting portion 11, adjustable shelf 2 include orthogonal second auxiliary section 12 and the second mounting portion 13；Turn
It being rotatably installed on the second auxiliary section 12 to sprocket wheel 3, turnbuckle 7 is mounted on the first auxiliary section 10 and the second auxiliary section 12,
Puller bolt 5 is used to adjust the gap between the first auxiliary section 10 and the second auxiliary section 12；Elastic component is arranged in the first mounting portion
And second between mounting portion.Elastic component can be holddown spring or tension spring at this time.At this time, it is preferred that the first mounting portion and second
Position limiting structure is provided between mounting portion, elastic component housing is on position limiting structure.
As shown in figure 3, the present embodiment also discloses a kind of handrail drive system, comprising:
Main drive wheel 18；
Transition handrail drive shaft 19 is equipped with the first sprocket wheel 20 and the second sprocket wheel 21；
First chain 23 is mounted between main drive wheel 18 and the first sprocket wheel 20；
End driving wheel 22；
Second chain 24 is mounted between the second sprocket wheel 21 and end driving wheel 22；
Tensioning device cooperates with the second chain 24, and tensioning device is the tensioning device of the present embodiment；
Second chain 24 includes first part 25 and the second part 26 of connection the second sprocket wheel 21 and end driving wheel 22, is risen
There are two the steering sprockets 3 of tight device, and one of steering sprocket 3 cooperates with first part 25, is used for tensioner first part
25, another steering sprocket 3 cooperates with second part 26, is used for tensioner second part 26.
In handrail drive system, the second chain 24 drives steering sprocket 3 to overcome the elastic force of elastic component 9, so that turning
To 3 tensioner chain of sprocket wheel, one of steering sprocket 3 cooperates with first part 25, is used for tensioner first part 25, another steering
Sprocket wheel 3 and second part 26 cooperate, and are used for tensioner second part 26, by the way that elastic component 9 is arranged, long-play chain slowly
After elongation, elastic component 9 can tensioner chain in real time, in terms of existing technologies, not needing to tear machine open adaptive can rise
Tight chain.
The above is only the preferred embodiment of the present invention, not thereby limits the patent protection of the utility model
Range, it is all with equivalent structure transformation made by the utility model specification and accompanying drawing content, directly or indirectly it is used in it
His relevant technical field similarly includes within the protection scope of the present utility model.
Claims (10)
1. a kind of tensioning device of handrail drive system, which is characterized in that including fixed frame, adjustable shelf, steering sprocket, hold out against spiral shell
Bolt, turnbuckle and elastic component；There are multiple strip-shaped holes on the fixed frame or adjustable shelf；The steering sprocket rotational installation
On adjustable shelf；The puller bolt is screwed on fixed frame, and end offsets with adjustable shelf, either, the puller bolt spiral shell
It connects on adjustable shelf, end offsets with fixed frame, and puller bolt is used to adjust the gap between adjustable shelf and fixed frame；The drawing
Tight bolt is mounted between fixed frame and adjustable shelf and passes through corresponding strip-shaped hole, and adjustable shelf can be along the length direction of strip-shaped hole
It moves back and forth；The elastic component is used to that adjustable shelf to be made to have the movement tendency mobile to side.
2. the tensioning device of handrail drive system as described in claim 1, which is characterized in that there are two the steering sprockets.
3. the tensioning device of handrail drive system as described in claim 1, which is characterized in that be bolted with first on puller bolt
Nut.
4. the tensioning device of handrail drive system as described in claim 1, which is characterized in that the turnbuckle have it is multiple,
The second nut is bolted on turnbuckle.
5. the tensioning device of handrail drive system as described in claim 1, which is characterized in that the fixed frame and adjustable shelf are equal
For L-shaped structure, fixed frame includes orthogonal first auxiliary section and the first mounting portion, and adjustable shelf includes orthogonal
Two auxiliary sections and the second mounting portion；The steering sprocket is rotatably installed on the second auxiliary section, and the turnbuckle is mounted on
On first auxiliary section and the second auxiliary section, between the puller bolt is for adjusting between the first auxiliary section and the second auxiliary section
Gap；Tensioning device further includes installation bolt, and the threaded shank of the installation bolt sequentially passes through the first mounting portion and the second mounting portion,
It is outer in threaded shank to be cased with the first limit plate, third nut, third nut and the first limit plate are also bolted in threaded shank against use
In the position for limiting the first limit plate, the elastic component is compressed spring, and elastic component housing is in threaded shank, one end and the first limit
Position plate is against the other end and the first mounting portion cooperate.
6. the tensioning device of handrail drive system as claimed in claim 5, which is characterized in that also outer in the threaded shank to be cased with
Second limit plate, second limit plate and the first mounting portion against, one end of the elastic component and the second limit plate against.
7. the tensioning device of handrail drive system as described in claim 1, which is characterized in that the fixed frame and adjustable shelf are equal
For L-shaped structure, fixed frame includes orthogonal first auxiliary section and the first mounting portion, and adjustable shelf includes orthogonal
Two auxiliary sections and the second mounting portion；The steering sprocket is rotatably installed on the second auxiliary section, and the turnbuckle is mounted on
On first auxiliary section and the second auxiliary section, between the puller bolt is for adjusting between the first auxiliary section and the second auxiliary section
Gap；The elastic component is arranged between the first mounting portion and the second mounting portion.
8. the tensioning device of handrail drive system as claimed in claim 7, which is characterized in that the elastic component is holddown spring
Or tension spring.
9. the tensioning device of handrail drive system as claimed in claim 8, which is characterized in that first mounting portion and second
Position limiting structure is provided between mounting portion, the elastic component housing is on position limiting structure.
10. a kind of handrail drive system characterized by comprising
Main drive wheel；
Transition handrail drive shaft, is equipped with the first sprocket wheel and the second sprocket wheel；
First chain is mounted between main drive wheel and the first sprocket wheel；
End driving wheel；
Second chain is mounted between the second sprocket wheel and end driving wheel；
Tensioning device, and the second chain interoperation, tensioning device are claim 1, tensioning device described in 3~9 any one；
Second chain includes first part and the second part for connecting the second sprocket wheel and end driving wheel, and tensioning device turns
To there are two sprocket wheels, one of steering sprocket and first part cooperate, and are used for tensioner first part, another steering sprocket and the
The cooperation of two parts, is used for tensioner second part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821991045.XU CN209177834U (en) | 2018-11-29 | 2018-11-29 | The tensioning device and handrail drive system of handrail drive system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821991045.XU CN209177834U (en) | 2018-11-29 | 2018-11-29 | The tensioning device and handrail drive system of handrail drive system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209177834U true CN209177834U (en) | 2019-07-30 |
Family
ID=67374901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821991045.XU Active CN209177834U (en) | 2018-11-29 | 2018-11-29 | The tensioning device and handrail drive system of handrail drive system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209177834U (en) |
-
2018
- 2018-11-29 CN CN201821991045.XU patent/CN209177834U/en active Active
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