CN104891313A - 4 to 1 machine room-less elevator - Google Patents
4 to 1 machine room-less elevator 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
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- China
- Prior art keywords
- counterweight
- car
- traction
- rope
- elevator
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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
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
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 an elevator. More particularly, the present invention relates to a 4 to 1 machine roomless elevator.
Background
The elevator without machine room has no machine room, and as the name suggests, the traditional elevator with machine room omits the arrangement of the machine room, and transfers the equipment such as a traction machine and the like in the machine room into an elevator shaft. In the existing elevator without machine room, the traction system for providing power mainly comprises two suspension modes, wherein one suspension mode is a 2:1 suspension mode of the elevator without machine room, the tension borne by an elevator steel wire rope is 1/2 of the counterweight of the elevator, and the other suspension mode is a 4:1 suspension mode of the elevator without machine room, the tension borne by the elevator steel wire rope is 1/4 of the counterweight of the elevator. The 4:1 suspension type elevator without the machine room is mainly suitable for elevators with large carrying capacity and low speed, and due to the adoption of a large number of permanent magnet synchronous traction machines, the permanent magnet synchronous traction machines are better than the traditional worm gear traction machines in various aspects such as manufacturing cost, energy conservation, electricity conservation, maintenance convenience and the like, but the torque of the permanent magnet synchronous traction machines is smaller than that of the worm gear traction machines, if the torque of the worm gear traction machines reaches the large torque of the worm gear traction machines, the manufacturing cost of the permanent magnet synchronous traction machines is very high, so that the 4:1 suspension type is adopted currently to improve the linear speed of the elevator steel wire rope and reduce the tensile force of the steel wire rope, and the torque of the traction machines is reduced. Therefore, the elevator without machine room has an increased plane size of the elevator shaft compared with the elevator with machine room, and at the same time, if the suspension arrangement mode of the traction system is not reasonable, the plane utilization rate of the elevator shaft is inevitably low, which obviously causes the cost not only not to be reduced but also to be increased.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and/or disadvantages and to provide at least the advantages described hereinafter.
It is a further object of the present invention to provide a 4 to 1 machine roomless elevator that increases the load capacity, increases the utilization of the hoistway floor, and reduces the hoistway floor size requirements by improving the traction arrangement between the elevator counterweight and the elevator car.
To achieve these objects and other advantages in accordance with the present invention, the following are provided:
a 4:1 elevator without machine room, comprising a car disposed in an elevator shaft, a counterweight, and a traction system connected between the car and the counterweight so that the car and the counterweight can perform opposite operations in the up-down direction of the elevator shaft, the counterweight being disposed at one side of the car, wherein the traction system comprises:
the traction machine is arranged at the top of the elevator shaft and comprises a traction sheave, and the central axis of the traction sheave is vertical to the side wall of the elevator shaft;
the steel wire rope is wound on the traction sheave, one end of the steel wire rope bypasses a counterweight traction mechanism and is connected to a counterweight rope head, the other end of the steel wire rope bypasses a car traction mechanism and is connected to a car rope head, the counterweight rope head and the car rope head are both positioned at the top of an elevator shaft, the counterweight traction mechanism is used for traction of the counterweight,
the car drive mechanism pulls the car to including setting up two car diversion sheaves in the front of car bottom and two car diversion sheaves in the back row and setting up at elevator well top and lie in two car leading wheels between the car diversion sheave in the front and back row on spatial position, the axis of car diversion sheave is on a parallel with the elevator well lateral wall, the axis perpendicular to elevator well lateral wall of car leading wheel, wherein wire rope the other end is at first vertical two car diversion sheaves in the front row downwards and the round trip, then vertical upwards the round trip into two car leading wheels and the round trip, vertical two car diversion sheaves in the back row downwards again and the round trip, the last vertical connection that upwards the car fag end.
Preferably, the counterweight traction mechanism includes: the counterweight guide pulley is arranged at the top of the counterweight and positioned between the two counterweight diversion pulleys at the space position, and the central axes of the two counterweight diversion pulleys and the counterweight guide pulley are vertical to the side wall of the elevator shaft, wherein
The one end of the steel wire rope is vertically and downwards wound into the first counterweight diversion sheave and wound out, then vertically and upwards wound into the counterweight guide wheel and wound out, then vertically and downwards wound into the second counterweight diversion sheave and wound out, and finally vertically and upwards connected with the counterweight rope head.
Preferably, a main bearing beam and an auxiliary bearing beam which are parallel to each other are arranged at the top of the elevator hoistway, and the main bearing beam and the auxiliary bearing beam are respectively positioned at the left side and the right side of the car; wherein,
the traction machine, the counterweight rope head, the car rope head and the counterweight guide wheel are arranged on the main bearing beam, and the two car guide wheels are arranged on the auxiliary bearing beam.
Preferably, hollow holes for the steel wire rope to pass through are reserved on the main bearing beam and the auxiliary bearing beam.
Preferably, the traction machine is a permanent magnet synchronous traction machine.
The 4:1 machine room-less elevator at least comprises the following beneficial effects:
firstly, due to the adoption of a 4:1 suspension mode, compared with the traditional 2:1 elevator without a machine room, the load capacity is obviously improved, and the running efficiency is ensured;
secondly, the car diversion sheave is arranged at the car bottom through the car bottom beam, and the car bottom is arranged in a front row and a rear row, so that the stress of the car bottom is dispersed and more reasonable;
thirdly, the main bearing beam and the auxiliary bearing beam are respectively positioned at the left side and the right side of the car and are not positioned in the running interval of the car, so that the requirement on the height of the top floor of the elevator is reduced;
fourthly, the traction machine is in a parallel state relative to the side wall of the shaft (namely the traction wheel is vertical relative to the side wall of the shaft), and the counterweight is also arranged in parallel relative to the side wall of the shaft, so that the requirement on the plane size of the elevator shaft can be reduced, and meanwhile, the arrangement mode also enables the plane utilization rate of the elevator shaft to be obviously improved;
and fifthly, the motor of the traction machine is arranged towards the side of the car, so that the traction machine is convenient to overhaul.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural view of a 4 to 1 machine room-less elevator according to the present invention;
fig. 2 is a partially enlarged view of fig. 1.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
Referring to fig. 1-2, the present invention provides a 4:1 elevator without machine room, comprising a car 1 disposed in an elevator shaft, a counterweight 2 disposed on one side of the car (as can be seen from the figure, the counterweight is parallel to the car side, and is also equivalent to parallel to the side wall of the elevator shaft), and a traction system 3 connected between the car and the counterweight so that the car and the counterweight can perform opposite operations in the up-down direction of the elevator shaft, wherein the traction system 3 comprises:
the traction machine 31 is arranged at the top of the elevator shaft, and comprises a traction sheave, and the central axis of the traction sheave is vertical to the side wall of the elevator shaft;
a steel wire rope 32 wound on the traction sheave, one end of the steel wire rope is connected to a counterweight rope head 34 by bypassing the counterweight traction mechanism 33, the other end of the steel wire rope is connected to a car rope head 36 by bypassing the car traction mechanism 35, the counterweight rope head 34 and the car rope head 36 are both positioned at the top of the elevator shaft, wherein
The counterweight traction mechanism 33 pulls the counterweight 2 (i.e. the counterweight traction mechanism pulls the counterweight to operate along the up-and-down direction of the elevator shaft through a steel wire rope under the action of the traction machine),
the car traction mechanism 35 draws the car 1, and includes two car diverting pulleys 351, 352 and two car diverting pulleys 353, 354 of back row arranged at the bottom of the car 1, and two car guide pulleys 355, 356 arranged at the top of the elevator shaft and positioned between the car diverting pulleys of front row and back row at spatial positions, the central axes of the car diverting pulleys 351, 352, 353, 354 are parallel to the side wall of the elevator shaft, the central axes of the car guide pulleys 355, 356 are perpendicular to the side wall of the elevator shaft, wherein the other end of the steel wire rope is firstly vertically wound downwards into the two car diverting pulleys of front row and wound out (the car diverting pulley 351 enters and the car diverting pulley 352 exits), then vertically wound upwards into the two car guide pulleys and wound out (the car guide pulley 355 enters and the car guide pulley 356 exits), and then vertically wound downwards into the two car diverting pulleys of back row and wound out (the car diverting pulley 353 enters and the car diverting pulley 356), Car diverting pulley 354 out) and finally vertically upward to the car rope head 36.
In the above solution, the traction machine of the present invention is arranged in a manner that the central axis of the traction sheave is perpendicular to the sidewall of the elevator shaft (i.e. the traction machine itself is parallel to the sidewall of the elevator shaft), which obviously reduces the occupied area of the elevator shaft compared with the prior art that the central axis of the traction sheave is parallel to the sidewall of the elevator shaft (i.e. the traction machine itself is arranged perpendicular to the sidewall of the elevator shaft), and the counterweight is also arranged parallel to the sidewall of the elevator shaft, both of which are arranged in parallel, thereby reducing the planar size requirement of the elevator shaft.
Meanwhile, in the car traction mechanism, the car diversion sheaves are arranged at the car bottom through the car bottom beam, and a front row and a rear row are arranged, so that compared with the mode that the car diversion sheaves are arranged at the car top and the two rows of diversion sheaves are abutted in the prior art, the car bottom is stressed dispersedly and more reasonably, and in the running process of the elevator, the acting point is not the car top but the car bottom, so that the running stability of the elevator can be improved, and the running life of the elevator is ensured.
A further technical solution of the present invention is that the counterweight traction mechanism 33 includes: the counterweight device comprises front and rear counterweight diverting pulleys 331 and 332 arranged at the top of the counterweight, and a counterweight guide wheel 333 arranged at the top of the elevator shaft and positioned between the two counterweight diverting pulleys at a spatial position, wherein the central axes of the two counterweight diverting pulleys and the counterweight guide wheel are perpendicular to the side wall of the elevator shaft, wherein the one end of the steel wire rope is firstly vertically and downwards wound into the first counterweight diverting pulley 331 and wound out, then vertically and upwards wound into the counterweight guide wheel 333 and wound out, then vertically and downwards wound into the second counterweight diverting pulley 332 and wound out, and finally vertically and upwards connected with the counterweight rope head 34. As can be seen from the counterweight traction mechanism, the elevator without machine room of the present invention is an elevator without machine room with a suspension mode of 4:1, and in conjunction with fig. 1, the two counterweight diverting pulleys 331, 332 and the counterweight guide pulley 333 are both disposed parallel to the side wall of the elevator shaft, so that the occupied area of the elevator shaft can be effectively reduced.
In the invention, referring to fig. 1, a main bearing beam 4 and an auxiliary bearing beam 5 which are parallel to each other are preferably arranged at the top of the elevator shaft, and the main bearing beam and the auxiliary bearing beam are respectively positioned at the left side and the right side of the elevator car; the hoisting machine 31, the counterweight rope head 34, the car rope head 36, and the counterweight guide pulley 333 are all provided on the main bearing beam, and the two car guide pulleys 355 and 356 are provided on the sub bearing beam. Hollow holes 41 and 51 for the steel wire rope to pass through are reserved on the main bearing beam and the auxiliary bearing beam.
In the present invention, the hoisting machine is preferably a permanent magnet synchronous hoisting machine.
The number of apparatuses and the scale of the process described herein are intended to simplify the description of the present invention. Applications, modifications and variations of the 4:1 machineroom-less elevator of the present invention will be apparent to those skilled in the art.
While embodiments of the invention have been disclosed above, it is not intended to be limited to the uses set forth in the specification and examples. It can be applied to all kinds of fields suitable for the present invention. Additional modifications will readily occur to those skilled in the art. It is therefore intended that the invention not be limited to the exact details and illustrations described and illustrated herein, but fall within the scope of the appended claims and equivalents thereof.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510374451.6A CN104891313A (en) | 2015-06-30 | 2015-06-30 | 4 to 1 machine room-less elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510374451.6A CN104891313A (en) | 2015-06-30 | 2015-06-30 | 4 to 1 machine room-less elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104891313A true CN104891313A (en) | 2015-09-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510374451.6A Pending CN104891313A (en) | 2015-06-30 | 2015-06-30 | 4 to 1 machine room-less elevator |
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| Country | Link |
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| CN (1) | CN104891313A (en) |
Cited By (14)
| 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 |
| CN110790114A (en) * | 2019-12-09 | 2020-02-14 | 巨立电梯股份有限公司 | An elevator machine room layout structure and elevator system |
| 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 |
| CN111762664A (en) * | 2020-07-30 | 2020-10-13 | 日立电梯（中国）有限公司 | A 4 to 1 counterweight center machine roomless elevator |
| CN112390112A (en) * | 2020-12-28 | 2021-02-23 | 重庆迈高电梯有限公司 | Elevator suitable for port |
| CN112645196A (en) * | 2020-12-29 | 2021-04-13 | 杭州霍普曼电梯有限公司 | Large traction machine cargo elevator suspension equipment without machine room |
| CN112694000A (en) * | 2020-12-03 | 2021-04-23 | 恒达富士电梯有限公司 | Traction type elevator |
| CN113928957A (en) * | 2021-09-22 | 2022-01-14 | 沃克斯迅达电梯有限公司 | Structural elevator for large load |
| CN114104930A (en) * | 2021-11-24 | 2022-03-01 | 上海三菱电梯有限公司 | Elevator system |
| CN115973879A (en) * | 2023-01-05 | 2023-04-18 | 新疆天山电梯制造有限公司 | Traction type large-tonnage elevator with machine room |
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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 |
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| 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 |
| CN204211303U (en) * | 2014-11-10 | 2015-03-18 | 巨人通力电梯有限公司 | A kind of hoistway top layer arrangement of machine-roomless lift |
| CN204751820U (en) * | 2015-06-30 | 2015-11-11 | 中科西奥电梯有限公司 | 4 to 1 machine room-less elevator |
-
2015
- 2015-06-30 CN CN201510374451.6A patent/CN104891313A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
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Cited By (18)
| 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 |
| CN108840209B (en) * | 2018-09-17 | 2024-06-04 | 任世良 | Elevator traction mechanism and home elevator |
| CN110282521A (en) * | 2019-07-05 | 2019-09-27 | 通用电梯股份有限公司 | A kind of rloomless cargo ift |
| CN110668290B (en) * | 2019-09-18 | 2023-11-14 | 菱王电梯有限公司 | Bow-shaped elevator load-bearing structure |
| CN110668290A (en) * | 2019-09-18 | 2020-01-10 | 菱王电梯股份有限公司 | Bow-shaped elevator bearing structure |
| CN110790114A (en) * | 2019-12-09 | 2020-02-14 | 巨立电梯股份有限公司 | An elevator machine room layout structure and elevator system |
| 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 |
| CN111762664A (en) * | 2020-07-30 | 2020-10-13 | 日立电梯（中国）有限公司 | A 4 to 1 counterweight center machine roomless elevator |
| CN112694000A (en) * | 2020-12-03 | 2021-04-23 | 恒达富士电梯有限公司 | Traction type elevator |
| CN112390112A (en) * | 2020-12-28 | 2021-02-23 | 重庆迈高电梯有限公司 | Elevator suitable for port |
| CN112390112B (en) * | 2020-12-28 | 2024-05-31 | 重庆迈高电梯有限公司 | An elevator suitable for ports |
| CN112645196A (en) * | 2020-12-29 | 2021-04-13 | 杭州霍普曼电梯有限公司 | Large traction machine cargo elevator suspension equipment without machine room |
| CN113928957A (en) * | 2021-09-22 | 2022-01-14 | 沃克斯迅达电梯有限公司 | Structural elevator for large load |
| 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 |
| CN115973879A (en) * | 2023-01-05 | 2023-04-18 | 新疆天山电梯制造有限公司 | Traction type large-tonnage elevator with machine room |
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Application publication date: 20150909 |
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| RJ01 | Rejection of invention patent application after publication |