CN203781209U - Elevator - Google Patents
Elevator Download PDFInfo
- Publication number
- CN203781209U CN203781209U CN201420213431.1U CN201420213431U CN203781209U CN 203781209 U CN203781209 U CN 203781209U CN 201420213431 U CN201420213431 U CN 201420213431U CN 203781209 U CN203781209 U CN 203781209U
- Authority
- CN
- China
- Prior art keywords
- chain
- gig
- cantilever
- box
- driving wheel
- 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.)
- Expired - Lifetime
Links
- 230000007246 mechanism Effects 0.000 claims description 16
- 101100272852 Clostridium botulinum (strain Langeland / NCTC 10281 / Type F) F gene Proteins 0.000 claims description 9
- 239000006260 foam Substances 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 230000001737 promoting effect Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Abstract
The utility model provides an elevator, which includes an upright, a cantilever, a lifting device, a chain used for being connected with a hook, and a chain case, wherein the chain case is arranged below the elevator; the elevator further includes a chain pulling device and a plurality of first guiding pulleys arranged on the cantilever; when the chain is conveyed to the chain case, the chain pulling device is used for pulling the chain, and is guided to the chain case from the lifting device through the first guiding pulleys. According to the utility model, as the chain case is changed in position from the tail end of the cantilever to the place below the elevator, and the chain is conveyed to the chain case smoothly through the guiding pulleys and the chain pulling device during the cargo lifting, the problem that a lifted object is limited in height due to the chain case placed at the tail end of the cantilever of the elevator is avoided, and load to the cantilever due to the chain case placed at the tail end of the cantilever of the elevator is avoided.
Description
Technical field
The utility model relates to a kind of gig, relates in particular to a kind of cantilevered gig.
Background technology
In general cantilever type lifter, the suspension hook of controlling gig by the folding and unfolding of chain is with hook block weight and carry out moving of weight.Fig. 1 illustrates the structure of the cantilever type lifter of prior art.Can find out, on general cantilever type lifter, for taking in the chain box 3 of chain, conventionally be placed on the end of gig cantilever.
But, owing to being placed on the end of gig cantilever for chain box, the weight that need to mention and the distance between cantilever are no less than the height of chain box, therefore the height of gig is subject to promoting the restriction of object height degree, and limited in operational space in the situation that, the height of gig also will cause restriction to the space of its operation and operating conditions.
For example, in wind power generation field, in the time need to carrying out maintain and replace to the parts in blower fan, need in fan engine room, carry out parts dismounting, move, the limitation in height of gig the height of fan engine room; In addition, chain box is suspended on the end of gig cantilever, chain box also can rock along with rocking of fan engine room, rock for a long time and can make chain box have the risk of being scattered, and chain box is suspended on cantilevered distal end and also can causes harmful effect to the life-span of the swivel bearing of cantilever.
Utility model content
The purpose of this utility model is to provide a kind of gig that chain box is placed on to cantilever position in addition, to avoid promoting the height of thing because chain box is placed on the restriction of gig cantilevered distal end, and avoid chain box to be placed on the load that gig cantilevered distal end causes cantilever.
To achieve these goals, the utility model provides a kind of gig, the chain and the chain box that comprise column, cantilever, bont, coupling hook, described chain box is arranged on the below of gig, this gig also comprises that chain pulls device and is arranged on a plurality of the first leading sheaves on cantilever, when to chain box chain, described chain pulls device chain is pulled, and by the first leading sheave, chain is guided to chain box from bont.
Preferably, described gig also comprises: be arranged at least one second leading sheave on column, described in one of them, the second leading sheave is arranged on the position parallel with a plurality of the first leading sheaves or is arranged on the position lower than described a plurality of the first leading sheave belows.
Preferably, described chain pulling device is arranged between chain box and the second leading sheave.
Preferably, described chain pulls device and comprises flower wheel and motor-driven driving wheel, and described flower wheel and driving wheel are fixed by pulley yoke, when to chain box chain, described flower wheel and described driving wheel clamp described chain, and described chain is sent into described chain box.
Preferably, described driving wheel surface is covered with foam.
Preferably, described chain pulls device and is arranged on position parallel with described a plurality of the first leading sheaves on column, and when to chain box chain, described chain pulls device chain is pulled, and chain is guided to chain box.
Preferably, it is motor-driven pulley mechanism that described chain pulls device, and when to chain box chain, described pulley mechanism is sent described chain into described chain box straight down.
Preferably, described pulley mechanism be by motor drive, surface has groove and is covered with the pulley of foam, described chain is embedded in described groove.
Preferably, described pulley mechanism comprises flower wheel and by motor-driven driving wheel, and described chain imports from a side of flower wheel, then between driving wheel and flower wheel, passes, then draws from a contrary side of driving wheel.
Preferably, wherein two described a plurality of the first leading sheaves are arranged on the end of cantilever bottom side and the root of cantilever bottom side.
Preferably, described cantilever is folding arm, and wherein three described a plurality of the first leading sheaves are arranged on the bottom side of the connecting portion of the end of folding arm bottom side, the root of folding arm bottom side and front folding arm and rear folding arm.
In gig of the present utility model, by chain box is changed to the below of gig by cantilevered distal end, and by leading sheave and chain, pull device, in the process of cargo lifting, chain is transported to chain box swimmingly, avoided limiting because chain box is placed on gig cantilevered distal end the height that promotes thing, and avoided chain box to be placed on the load that gig cantilevered distal end causes cantilever.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of structure that the cantilever type lifter of prior art is shown;
Fig. 2 is the structural representation illustrating according to the gig of the utility model the first exemplary embodiment;
Fig. 3 pulls the structural representation of device according to the chain of the utility model the first exemplary embodiment;
Fig. 4 is the structural representation illustrating according to the gig of the utility model the second exemplary embodiment;
Fig. 5 A and Fig. 5 B are respectively according to the structural representation of the pulley mechanism of the utility model the second exemplary embodiment;
Fig. 6 is the structural representation illustrating according to the gig of the utility model the 3rd exemplary embodiment.
The specific embodiment
Below, with reference to accompanying drawing, gig of the present utility model is elaborated.It may be noted that, in the application's accompanying drawing, using the gig of folding-jib as example, but except the special gig part of mentioning folding-jib, those having ordinary skill in the art will appreciate that, the utility model is applicable to all cantilevered gigs to chain box placement location and relevant improvement thereof, and is not limited to the gig of folding-jib.
Embodiment mono-
Hereinafter with reference to Fig. 2 and Fig. 3, the first embodiment of the present utility model is described.
Fig. 2 is the structural representation illustrating according to the gig of the utility model the first exemplary embodiment.
With reference to Fig. 2, the gig of the utility model the first exemplary embodiment comprises chain 40 and the chain box 50 of column 10, cantilever 20, bont 30, coupling hook.Chain box 50 is arranged on the below of gig, such as, but not limited to, the root of column 10, the support of the below of gig permanent seat, workplatform 5 is first-class.
This gig also comprises that chain pulls device 60 and is arranged on a plurality of the first leading sheaves 70 on cantilever 20.Here said a plurality of are two or more.In a plurality of the first leading sheaves 70 on described cantilever 20, can there be two to be arranged on the end of cantilever bottom side and the root of cantilever bottom side.At described cantilever, be in the embodiment of folding arm, as shown in Figure 2, in a plurality of the first leading sheaves 70 on described cantilever 20, can have three bottom sides that are arranged on the connecting portion of the end of folding arm bottom side, the root of folding arm bottom side and front folding arm and rear folding arm.It is in order to help better chain 40 to carry towards both direction that a plurality of positions on cantilever 20 arrange the first leading sheave 70.
End at chain 40 is provided with suspension hook 90, bont 30 by conduction chain 40 by hook block the lifting thing on suspension hook 90 mention.The chain 40 of traction is carried to chain box with self weight and chain pulling device 60.Chain pulls device 60 when to chain box 50 chain 40, chain 40 is pulled, and by the first leading sheave 70, chain 40 is guided to chain box 50 from bont 30.
Alternatively, the gig of the utility model the first exemplary embodiment also comprises: be arranged at least one second leading sheave 80 on column 10, described in one of them, the second leading sheave 80 is arranged on the position parallel with a plurality of the first leading sheaves 79 or is arranged on the position lower than described a plurality of the first leading sheave 70 belows.For example, shown in Fig. 2, be arranged on the second leading sheave 80 lower than the position of described a plurality of the first leading sheave 70 belows.Like this, can contribute to, on column 10 above-below directions, the chain 40 of carrying is carried out to guiding.
In the present embodiment, described chain pulling device 60 is arranged between chain box 50 and the second leading sheave 80.Fig. 3 pulls the structural representation of device according to the chain of the utility model the first exemplary embodiment.
As shown in the constructional drawing on Fig. 3 top, chain pulls device 60 and comprises flower wheel 72 and motor-driven driving wheel 71, flower wheel 72 and driving wheel 71 are fixing by pulley yoke 75, when to chain box 50 chain 40, flower wheel 72 and driving wheel 71 clamping chains 40, send chain 40 into described chain box 50.Fig. 3 bottom illustrates the birds-eye view that chain pulls device 60, the driving wheel 71 being driven by motor 73 and flower wheel 72 clamping chains 40, and driving wheel 71 drives flower wheel 72 to move chain 40.According to the present embodiment, the surface of driving wheel 71 is covered with foam, so that more friction force to be provided.
According to the description of previous embodiment, can find out, in the gig of the present embodiment, by chain box being changed to the below of gig, and in the process of cargo lifting, chain is transported to chain box by leading sheave and chain pulling device.Like this, avoided limiting because chain box is placed on gig cantilevered distal end the height that promotes thing, and avoided chain box to be placed on the load that gig cantilevered distal end causes cantilever.
Embodiment bis-
Hereinafter with reference to Fig. 4, Fig. 5 A and Fig. 5 B, the second embodiment of the present utility model is described.
Fig. 4 is the structural representation illustrating according to the gig of the utility model the second exemplary embodiment.Gig in Fig. 4 comprises chain 40 and the chain box 50 of column 10, cantilever 20, bont 30, coupling hook equally.This gig also comprises the pulling wheel 100 that is arranged on position parallel with described a plurality of the first leading sheaves 70 on column 10, and therefore in a second embodiment, it is the pulling wheel 100 shown in Fig. 4 that chain pulls device.From column 10 tops, the position parallel with described a plurality of the first leading sheaves 70 pulls chain 40 this pulling wheel 100, and chain 40 is guided to chain box 50.According to exemplary embodiment, pulling wheel 100 is motor-driven pulley mechanisms, and when to chain box chain, described pulley mechanism is sent described chain into described chain box straight down.
Fig. 5 A and Fig. 5 B are respectively according to the structural representation of two kinds of optional pulley mechanisms of the utility model the second exemplary embodiment.
The pulley mechanism of Fig. 5 A is that motor 101 drives, surface has groove and is covered with the pulley 102 of foam, and chain 40 is embedded in described groove, and this structure can strengthen the friction force between pulley mechanism 102 and chain 40.When to chain box 50 chain 40, pulley mechanism 102 is sent chain 40 into described chain box 50 straight down.
The pulley mechanism of Fig. 5 B comprises flower wheel and by motor-driven driving wheel, described chain imports from a side of flower wheel 104, then between driving wheel 103 and flower wheel 104, passes, then draws from a contrary side of driving wheel 103.With reference to Fig. 5 B, chain 40 imports flower wheel 104 from left side from top to down, walks around after flower wheel 104, from bottom to top passes, then walk around driving wheel 103 from top between driving wheel 103 and flower wheel 104, then from the right side of driving wheel 103, draws.Driving wheel 103 is driven by motor, drives flower wheel 104 to rotate, and makes chain 40 be transported to chain box 50 from the first leading sheave 70.
Because chain pulls device 100, be arranged on position parallel with described a plurality of the first leading sheaves 70 on column 10, chain pulls the effect that device 100 has played track adjusting wheel simultaneously, therefore in a second embodiment leading sheave can be set on column 10 again.
Embodiment tri-
Fig. 6 is the structural representation illustrating according to the gig of the utility model the 3rd exemplary embodiment.
The gig of the 3rd embodiment comprises chain 40 and the chain box 50 of column 10, cantilever 20, bont 30, coupling hook equally.On this basis, in the position parallel with a plurality of the first leading sheaves 70, the second leading sheave 80 is set, and chain pulling device 60 is set between chain box 50 and the second leading sheave 80.On the gig of the 3rd embodiment, the second leading sheave is arranged on to the position parallel with a plurality of the first leading sheaves, in the position near chain box, chain is set simultaneously and pulls device, more smooth and easy to guarantee the conveying of chain.
According to the description with reference to previous embodiment, can find out, in gig of the present utility model, by chain box is changed to the below of gig by cantilevered distal end, and by leading sheave and chain, pull device, in the process of cargo lifting, chain is transported to chain box swimmingly, avoided limiting because chain box is placed on gig cantilevered distal end the height that promotes thing, and avoided chain box to be placed on the load that gig cantilevered distal end causes cantilever.
Claims (11)
1. a gig, the chain and the chain box that comprise column, cantilever, bont, coupling hook, it is characterized in that, described chain box is arranged on the below of gig, this gig also comprises that chain pulls device and is arranged on a plurality of the first leading sheaves on cantilever, when to chain box chain, described chain pulls device chain is pulled, and by the first leading sheave, chain is guided to chain box from bont.
2. gig as claimed in claim 1, it is characterized in that, described gig also comprises: be arranged at least one second leading sheave on column, described in one of them, the second leading sheave is arranged on the position parallel with a plurality of the first leading sheaves or is arranged on the position lower than described a plurality of the first leading sheave belows.
3. gig as claimed in claim 2, is characterized in that, described chain pulls device and is arranged between chain box and the second leading sheave.
4. gig as claimed in claim 3, it is characterized in that, described chain pulls device and comprises flower wheel and motor-driven driving wheel, described flower wheel and driving wheel are fixed by pulley yoke, when to chain box chain, described flower wheel and described driving wheel clamp described chain, and described chain is sent into described chain box.
5. gig as claimed in claim 4, is characterized in that, described driving wheel surface is covered with foam.
6. gig as claimed in claim 1, it is characterized in that, described chain pulls device and is arranged on position parallel with described a plurality of the first leading sheaves on column, when to chain box chain, described chain pulls device chain is pulled, and chain is guided to chain box.
7. gig as claimed in claim 6, is characterized in that, it is motor-driven pulley mechanism that described chain pulls device, and when to chain box chain, described pulley mechanism is sent described chain into described chain box straight down.
8. gig as claimed in claim 7, is characterized in that, described pulley mechanism be by motor drive, surface has groove and is covered with the pulley of foam, described chain is embedded in described groove.
9. gig as claimed in claim 7, it is characterized in that, described pulley mechanism comprises flower wheel and by motor-driven driving wheel, described chain imports from a side of flower wheel, then between driving wheel and flower wheel, pass, then draw from a contrary side of driving wheel.
10. the gig as described in any one in claim 1～9, is characterized in that, wherein two described a plurality of the first leading sheaves are arranged on the end of cantilever bottom side and the root of cantilever bottom side.
11. gigs as described in any one in claim 1～9, it is characterized in that, described cantilever is folding arm, and wherein three described a plurality of the first leading sheaves are arranged on the bottom side of the connecting portion of the end of folding arm bottom side, the root of folding arm bottom side and front folding arm and rear folding arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420213431.1U CN203781209U (en) | 2014-04-29 | 2014-04-29 | Elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420213431.1U CN203781209U (en) | 2014-04-29 | 2014-04-29 | Elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203781209U true CN203781209U (en) | 2014-08-20 |
Family
ID=51317419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420213431.1U Expired - Lifetime CN203781209U (en) | 2014-04-29 | 2014-04-29 | Elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203781209U (en) |
-
2014
- 2014-04-29 CN CN201420213431.1U patent/CN203781209U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140820 |