CN104891313A - 1/4 elevator without machine room - Google Patents
1/4 elevator without machine room Download PDFInfo
- Publication number
- CN104891313A CN104891313A CN201510374451.6A CN201510374451A CN104891313A CN 104891313 A CN104891313 A CN 104891313A CN 201510374451 A CN201510374451 A CN 201510374451A CN 104891313 A CN104891313 A CN 104891313A
- Authority
- CN
- China
- Prior art keywords
- counterweight
- car
- elevator hoistways
- machine
- traction
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/04—Driving gear ; Details thereof, e.g. seals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/06—Arrangements of ropes or cables
Abstract
The invention discloses a 1/4 elevator without a machine room. The elevator comprises a lift car, a counterweight and a traction system. The traction system comprises a tractor and a steel wire rope; the tractor is arranged at the top of a hoistway and comprises a traction wheel which is axially perpendicular to the side wall of the hoistway; the steel wire rope is wound on the traction wheel, one end of the steel wire rope bypasses a counterweight traction mechanism to be connected onto a counterweight rope end, the other end of the steel wire rope bypasses a lift car traction mechanism to be connected to a lift car rope end, and the counterweight rope end and the lift car rope end are both positioned at the top of the hoistway; the counterweight traction mechanism drags the counterweight, and the lift car traction mechanism drags the lift car. The 1/4 elevator without the machine room has the advantages that by improvement of traction arrangement between the counterweight and the lift car, load capacity is increased, plane utilization rate of the hoistway is increased, the requirement on the plan view size of the hoistway can be lowered, and the 1/4 elevator without the machine room is pretty high in popularization value.
Description
Technical field
The present invention relates to a kind of elevator.More particularly, the present invention relates to a kind of 4 to 1 machine-roomless lifts.
Background technology
Machine-roomless lift, as the term suggests eliminate the setting of machine room at traditional machine room elevator that has exactly, has transferred to elevator hoistways by equipment such as being arranged in the towing machine of machine room.In current machine-roomless lift, the traction system of power is provided to mainly include two kinds of hangs, a kind of is the machine-roomless lift hung with the hang of 2:1, its pulling force that can be understood as that elevator wire rope bears is 1/2 of Elevator weight sensor, another kind of then be the machine-roomless lift hung with the hang of 4:1, its pulling force that can be understood as that elevator wire rope bears is 1/4 of Elevator weight sensor.Wherein the machine-roomless lift of 4:1 hang is mainly applicable to the not high elevator of the larger speed of load carrying ability, due to a large amount of employings of permanent magnetic synchronous traction machine, permanent magnetic synchronous traction machine is in manufacturing cost, energy saving, the many-side such as servicing ease is all better than traditional worm and gear towing machine, but permanent magnetic synchronous traction machine moment is little relative to the moment of worm and gear towing machine, if when reaching the high-torque of worm and gear towing machine, the cost of permanent magnetic synchronous traction machine will be very high, so current trend adopts the hang of 4:1 to improve the linear velocity of elevator wire rope, reduce the pulling force of steel rope, thus reduce the moment of towing machine.Therefore, machine-roomless lift is relative to having for machine room elevator, the planar dimension of elevator hoistways is increased, and while increase, if the patten's design that is suspended of its traction system is unreasonable, the plane degree of utilization of elevator hoistways will inevitably be caused not high, and this obviously can make cost not only not reduce can increase on the contrary.
Summary of the invention
An object of the present invention is to solve at least the problems referred to above and/or defect, and the advantage will illustrated at least is below provided.
A further object of the invention is to provide a kind of 4 to 1 machine-roomless lifts, it is by improving the traction arrangement between Elevator weight sensor and lift car, such that load carrying ability increases, the plane degree of utilization of elevator hoistways improves and reduce the planar dimension requirement of elevator hoistways.
In order to realize, according to these objects of the present invention and other advantage, providing following technical scheme:
A kind of 4 to 1 machine-roomless lifts, the traction system that both the chien shihs comprising the car be arranged in elevator hoistways, counterweight and be connected to described car and described counterweight can operate on the contrary along the generation of elevator hoistways above-below direction, described counterweight is arranged on described car side, wherein, described traction system comprises:
Towing machine, it is arranged on described elevator hoistways top, and described towing machine comprises traction sheave, the axis of described traction sheave and elevator hoistways sidewalls orthogonal;
Steel rope, its winding is on described traction sheave, described steel rope one end is walked around counterweight trailer coupling and is connected to counterweight fag end, the other end is walked around car trailer coupling and is connected to lift car rope head, described counterweight fag end and lift car rope head are all positioned at elevator hoistways top, wherein said counterweight trailer coupling draws described counterweight
Described car trailer coupling draws described car, and comprise two, the front row car diversion sheave and rear row two car diversion sheaves that are arranged on cage bottom, and be arranged on elevator hoistways top and two car track adjusting wheels on locus between front and rear row car diversion sheave, the axis parallel of described car diversion sheave is in elevator hoistways sidewall, the axis of described car track adjusting wheel is perpendicular to elevator hoistways sidewall, the described other end of wherein said steel rope moves into front-seat two car diversion sheaves first straight down and lays out, then move into two car track adjusting wheels straight up and lay out, move into rear row two car diversion sheaves more straight down and lay out, finally connect described lift car rope head straight up.
Preferably, described counterweight trailer coupling comprises: be arranged on former and later two counterweight diversion sheaves at described counterweight top and be arranged on elevator hoistways top and counterweight track adjusting wheel on locus between described two counterweight diversion sheaves, the axis of described two counterweight diversion sheaves and counterweight track adjusting wheel all perpendicular to elevator hoistways sidewall, wherein
Described one end of described steel rope moves into the first counterweight diversion sheave first straight down and lays out, then move into counterweight track adjusting wheel straight up and lay out, move into the second counterweight diversion sheave straight down again and lay out, and finally connects described counterweight fag end straight up.
Preferably, described elevator hoistways top is provided with the main bearing beam and secondary bearing beam that are parallel to each other, and described main bearing beam and secondary bearing beam lay respectively at the left and right sides of car; Wherein,
Described towing machine, counterweight fag end, lift car rope head and counterweight track adjusting wheel are arranged on described main bearing beam, and described two car track adjusting wheels are arranged on described secondary bearing beam.
Preferably, described main bearing beam and secondary bearing beam are all reserved with the hollow hole supplying steel wire penetrating.
Preferably, described towing machine adopts permanent magnetic synchronous traction machine.
4 to 1 machine-roomless lifts of the present invention at least comprise following beneficial effect:
One, owing to adopting the hang of 4:1, make load carrying ability for the machine-roomless lift of traditional 2:1, load carrying ability significantly improves, and operating efficiency is guaranteed;
Two, owing to being arranged at the bottom of sedan-chair by car diversion sheave by sedan-chair bottom girder, and adopt front two rows to arrange, make force dispersion at the bottom of sedan-chair, stressed more reasonable;
Three, major and minor bearing beam lays respectively at the left and right sides of car, not in the traffic coverage of car, because this reducing the requirement of elevator top height;
Four, towing machine is in parastate (namely traction sheave is in vertically relative to hoistway wall) relative to hoistway wall, counterweight is also arranged in parallel relative to hoistway wall, therefore can reduce the requirement of the planar dimension of elevator hoistways, this set-up mode also makes the plane degree of utilization of elevator hoistways be significantly improved simultaneously;
Five, the electrical motor of towing machine is arranged towards cage side, is convenient to the maintenance to towing machine.
Part is embodied by explanation below by other advantage of the present invention, target and feature, part also will by research and practice of the present invention by those skilled in the art is understood.
Accompanying drawing explanation
Fig. 1 is the structural representation of 4 to 1 machine-roomless lifts of the present invention;
Fig. 2 is the partial enlarged drawing of Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail, can implement according to this with reference to specification sheets word to make those skilled in the art.
Should be appreciated that used hereinly such as " to have ", other element one or more do not got rid of in " comprising " and " comprising " term or the existence of its combination or interpolation.
See Fig. 1-2, the invention provides a kind of 4 to 1 machine-roomless lifts, the traction system 3 that both the chien shihs comprising the car 1 be arranged in elevator hoistways, counterweight 2 and be connected to described car and described counterweight can operate on the contrary along the generation of elevator hoistways above-below direction, described counterweight is arranged on described car side (as we can see from the figure, counterweight is parallel to car side, also be equivalent to parallel with elevator hoistways sidewall), wherein, described traction system 3 comprises:
Towing machine 31, it is arranged on described elevator hoistways top, and described towing machine comprises traction sheave, the axis of described traction sheave and elevator hoistways sidewalls orthogonal;
Steel rope 32, its winding is on described traction sheave, and described steel rope one end is walked around counterweight trailer coupling 33 and is connected to counterweight fag end 34, and the other end is walked around car trailer coupling 35 and is connected to lift car rope head 36, described counterweight fag end 34 and lift car rope head 36 are all positioned at elevator hoistways top, wherein
Described counterweight trailer coupling 33 draws described counterweight 2 (namely counterweight trailer coupling is operated along elevator hoistways above-below direction by rope traction counterweight under the effect of towing machine),
Described car trailer coupling 35 draws described car 1, and comprises two, the front row car diversion sheave 351 be arranged on bottom car 1, 352 and rear row two car diversion sheaves 353, 354, and be arranged on elevator hoistways top and two car track adjusting wheels 355 on locus between front and rear row car diversion sheave, 356, described car diversion sheave 351, 352, 353, the axis parallel of 354 in elevator hoistways sidewall, described car track adjusting wheel 355, the axis of 356 is perpendicular to elevator hoistways sidewall, and the described other end of wherein said steel rope moves into front-seat two car diversion sheaves first straight down and lays out that (car diversion sheave 351 enters, car diversion sheave 352 goes out), then move into two car track adjusting wheels straight up and lay out that (car track adjusting wheel 355 is entered, car track adjusting wheel 356 goes out), move into rear row two car diversion sheaves more straight down and lay out that (car diversion sheave 353 enters, car diversion sheave 354 goes out), finally connect described lift car rope head 36 straight up.
In such scheme, the arrangement of towing machine of the present invention makes the axis of wherein traction sheave perpendicular to elevator hoistways sidewall (namely towing machine itself is parallel to elevator hoistways sidewall), its relative to of the prior art by traction sheave axis parallel in hoistway wall mode (i.e. towing machine itself perpendicular to elevator hoistways sidewall arrange) for, obviously reduce the footprint area to elevator hoistways, the setting of adding counterweight also parallels with hoistway wall, the two is and is arranged in parallel, and therefore can reduce the planar dimension requirement of elevator hoistways.
Meanwhile, in car trailer coupling of the present invention, car diversion sheave to be arranged at the bottom of sedan-chair by sedan-chair bottom girder, and the mode adopting front two rows to arrange, its relative to of the prior art car diversion sheave is arranged in sedan-chair top and by two row's diversion sheaves near mode for, force dispersion at the bottom of sedan-chair, stressed more reasonable, and in running process of elevator, acting point is not sedan-chair top but at the bottom of sedan-chair, therefore can improve the stability that elevator runs, ensure the operation life of elevator.
The present invention further technical scheme is, described counterweight trailer coupling 33 comprises: former and later two counterweight diversion sheaves 331 being arranged on described counterweight top, 332, and be arranged on elevator hoistways top and counterweight track adjusting wheel 333 on locus between described two counterweight diversion sheaves, the axis of described two counterweight diversion sheaves and counterweight track adjusting wheel is all perpendicular to elevator hoistways sidewall, described one end of wherein said steel rope moves into the first counterweight diversion sheave 331 first straight down and lays out, then move into counterweight track adjusting wheel 333 straight up and lay out, move into the second counterweight diversion sheave 332 more straight down and lay out, finally connect described counterweight fag end 34 straight up.Can see from this counterweight trailer coupling, the machine-roomless lift of machine-roomless lift of the present invention to be hang be 4:1, and composition graphs 1, two counterweight diversion sheaves 331,332 and counterweight track adjusting wheel 333 are all parallel to elevator hoistways sidewall and arrange, and therefore can effectively reduce the footprint area of elevator hoistways.
In the present invention preferably, see Fig. 1, described elevator hoistways top is provided with the main bearing beam 4 and secondary bearing beam 5 that are parallel to each other, and described main bearing beam and secondary bearing beam lay respectively at the left and right sides of car; Wherein, described towing machine 31, counterweight fag end 34, lift car rope head 36 and counterweight track adjusting wheel 333 are all arranged on described main bearing beam, and described two car track adjusting wheels 355,356 are arranged on described secondary bearing beam.Wherein, described main bearing beam and secondary bearing beam are all reserved with the hollow hole 41,51 supplying steel wire penetrating.
In the present invention preferably, described towing machine adopts permanent magnetic synchronous traction machine.
Here the number of devices illustrated and treatment scale are used to simplify explanation of the present invention.The application of 4:1 machine-roomless lift of the present invention, modifications and variations be will be readily apparent to persons skilled in the art.
Although embodiment of the present invention are open as above, it is not restricted to listed in specification sheets and embodiment utilization.It can be applied to various applicable the field of the invention completely.For those skilled in the art, can easily realize other amendment.Therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the legend described.
Claims (5)
1. a machine-roomless lift, the traction system that both the chien shihs comprising the car be arranged in elevator hoistways, counterweight and be connected to described car and described counterweight can operate on the contrary along the generation of elevator hoistways above-below direction, described counterweight is arranged on described car side, it is characterized in that, described traction system comprises:
Towing machine, it is arranged on described elevator hoistways top, and described towing machine comprises traction sheave, the axis of described traction sheave and elevator hoistways sidewalls orthogonal;
Steel rope, its winding is on described traction sheave, described steel rope one end is walked around counterweight trailer coupling and is connected to counterweight fag end, the other end is walked around car trailer coupling and is connected to lift car rope head, described counterweight fag end and lift car rope head are all positioned at elevator hoistways top, wherein said counterweight trailer coupling draws described counterweight
Described car trailer coupling draws described car, and comprise two, the front row car diversion sheave and rear row two car diversion sheaves that are arranged on cage bottom, and be arranged on elevator hoistways top and two car track adjusting wheels on locus between front and rear row car diversion sheave, the axis parallel of described car diversion sheave is in elevator hoistways sidewall, the axis of described car track adjusting wheel is perpendicular to elevator hoistways sidewall, the described other end of wherein said steel rope moves into front-seat two car diversion sheaves first straight down and lays out, then move into two car track adjusting wheels straight up and lay out, move into rear row two car diversion sheaves more straight down and lay out, finally connect described lift car rope head straight up.
2. 4 to 1 machine-roomless lifts as claimed in claim 1, it is characterized in that, described counterweight trailer coupling comprises: be arranged on former and later two counterweight diversion sheaves at described counterweight top and be arranged on elevator hoistways top and counterweight track adjusting wheel on locus between described two counterweight diversion sheaves, the axis of described two counterweight diversion sheaves and counterweight track adjusting wheel all perpendicular to elevator hoistways sidewall, wherein
Described one end of described steel rope moves into the first counterweight diversion sheave first straight down and lays out, then move into counterweight track adjusting wheel straight up and lay out, move into the second counterweight diversion sheave straight down again and lay out, and finally connects described counterweight fag end straight up.
3. 4 to 1 machine-roomless lifts as claimed in claim 2, is characterized in that, described elevator hoistways top is provided with the main bearing beam and secondary bearing beam that are parallel to each other, and described main bearing beam and secondary bearing beam lay respectively at the left and right sides of car; Wherein,
Described towing machine, counterweight fag end, lift car rope head and counterweight track adjusting wheel are arranged on described main bearing beam, and described two car track adjusting wheels are arranged on described secondary bearing beam.
4. 4 to 1 machine-roomless lifts as claimed in claim 3, is characterized in that, described main bearing beam and secondary bearing beam are all reserved with the hollow hole supplying steel wire penetrating.
5. 4 to 1 machine-roomless lifts as described in any one of claim 1-4, is characterized in that, described towing machine adopts permanent magnetic synchronous traction machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510374451.6A CN104891313A (en) | 2015-06-30 | 2015-06-30 | 1/4 elevator without machine room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510374451.6A CN104891313A (en) | 2015-06-30 | 2015-06-30 | 1/4 elevator without machine room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104891313A true CN104891313A (en) | 2015-09-09 |
Family
ID=54024361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510374451.6A Pending CN104891313A (en) | 2015-06-30 | 2015-06-30 | 1/4 elevator without machine room |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104891313A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105480816A (en) * | 2016-01-27 | 2016-04-13 | 无锡新纺欧迪诺电梯有限公司 | Freight elevator provided with lower guide wheels |
| CN107963537A (en) * | 2017-12-21 | 2018-04-27 | 联盟电梯（苏州）有限公司 | A kind of Cargo Lift stand arrangement |
| CN108840209A (en) * | 2018-09-17 | 2018-11-20 | 苏州菱怡电梯有限公司 | Elevator traction mechanism and home lift |
| CN110282521A (en) * | 2019-07-05 | 2019-09-27 | 通用电梯股份有限公司 | A kind of rloomless cargo ift |
| CN110668290A (en) * | 2019-09-18 | 2020-01-10 | 菱王电梯股份有限公司 | Bow-shaped elevator bearing structure |
| CN111056388A (en) * | 2019-12-28 | 2020-04-24 | 福建快科城建增设电梯股份有限公司 | Overturn-preventing heavy-load cargo lift and working method thereof |
| CN114104930A (en) * | 2021-11-24 | 2022-03-01 | 上海三菱电梯有限公司 | Elevator system |
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| CN201148300Y (en) * | 2007-11-14 | 2008-11-12 | 上海德圣米高电梯有限公司 | Lifting mechanism of elevator |
| CN201296591Y (en) * | 2008-11-26 | 2009-08-26 | 广东菱王电梯有限公司 | A 4:1 arrangement no machinery room cargo carrying elevator |
| CN102372218A (en) * | 2011-09-30 | 2012-03-14 | 快意电梯有限公司 | Driving system layout structure of 4:1 machine-room-free elevator |
| CN203173653U (en) * | 2013-01-08 | 2013-09-04 | 菱王电梯股份有限公司 | Lower arranged type structure device of 4:1 machine-room-less freight elevator traction machine |
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| CN204751820U (en) * | 2015-06-30 | 2015-11-11 | 中科西奥电梯有限公司 | 4 than 1 no computer lab elevator |
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- 2015-06-30 CN CN201510374451.6A patent/CN104891313A/en active Pending
Patent Citations (6)
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| CN201148300Y (en) * | 2007-11-14 | 2008-11-12 | 上海德圣米高电梯有限公司 | Lifting mechanism of elevator |
| CN201296591Y (en) * | 2008-11-26 | 2009-08-26 | 广东菱王电梯有限公司 | A 4:1 arrangement no machinery room cargo carrying elevator |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105480816A (en) * | 2016-01-27 | 2016-04-13 | 无锡新纺欧迪诺电梯有限公司 | Freight elevator provided with lower guide wheels |
| CN107963537A (en) * | 2017-12-21 | 2018-04-27 | 联盟电梯（苏州）有限公司 | A kind of Cargo Lift stand arrangement |
| CN108840209A (en) * | 2018-09-17 | 2018-11-20 | 苏州菱怡电梯有限公司 | Elevator traction mechanism and home lift |
| CN110282521A (en) * | 2019-07-05 | 2019-09-27 | 通用电梯股份有限公司 | A kind of rloomless cargo ift |
| CN110668290A (en) * | 2019-09-18 | 2020-01-10 | 菱王电梯股份有限公司 | Bow-shaped elevator bearing structure |
| CN110668290B (en) * | 2019-09-18 | 2023-11-14 | 菱王电梯有限公司 | Bow-shaped elevator bearing structure |
| CN111056388A (en) * | 2019-12-28 | 2020-04-24 | 福建快科城建增设电梯股份有限公司 | Overturn-preventing heavy-load cargo lift and working method thereof |
| CN114104930A (en) * | 2021-11-24 | 2022-03-01 | 上海三菱电梯有限公司 | Elevator system |
| CN114104930B (en) * | 2021-11-24 | 2023-10-03 | 上海三菱电梯有限公司 | Elevator system |
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Application publication date: 20150909 |
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