CN105731228B - Traction system of screw elevator - Google Patents
Traction system of screw elevator Download PDFInfo
- Publication number
- CN105731228B CN105731228B CN201610294620.XA CN201610294620A CN105731228B CN 105731228 B CN105731228 B CN 105731228B CN 201610294620 A CN201610294620 A CN 201610294620A CN 105731228 B CN105731228 B CN 105731228B
- Authority
- CN
- China
- Prior art keywords
- screw
- steel wire
- screw rod
- motor
- movable pulley
- 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.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 18
- 239000010959 steel Substances 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- B66B11/043—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation
- B66B11/0446—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation with screw-nut or worm-screw gear
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Types And Forms Of Lifts (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The invention relates to a traction system of a screw elevator, which comprises a screw motor, a movable pulley, a supporting beam, a car and two steel wire ropes, wherein the screw motor is fixed on a wall surface, the upper end of a screw rod of the screw motor is connected with the supporting beam, the lower end of the screw rod is suspended, the movable pulley is arranged on the upper end surface of the supporting beam, the two steel wire ropes are symmetrically distributed on two sides of the movable pulley, one end of each steel wire rope is fixed on the ground, the other end of each steel wire rope is suspended on the movable pulley, and the car is connected with the two steel wire ropes. The moving distance of the screw rod is 1/2 of the moving distance of the lift car, so that the use length of the screw rod is reduced under the condition of the same lifting height, and the production cost is further reduced; in addition, the brake wheel is arranged outside the hollow rotor assembly, so that the self-locking of the screw rod and the screw rod nut is realized, and the safety coefficient of the elevator can be improved under the condition that the brake fails; meanwhile, the structure of the invention does not need counterweight, thereby reducing the space requirement of a well.
Description
Technical Field
The present invention relates to an elevator, and more particularly to a traction system of a screw elevator.
Background
With the acceleration of people's life pace, people are increasingly using elevators. The traditional elevator has high space requirement and comprises a machine room part, a well and pit part, a car part and a landing part. The construction and installation are not facilitated in old communities or private houses due to the limitation of space. After which an elevator without counterweight appears. The existing elevator without counterweight mainly comprises: hydraulic elevator, vacuum elevator and hoist driven elevator. Wherein the hydraulic elevator: the hydraulic system belongs to a more precise system, has high maintenance requirement, is required to be customized for part damage, has high maintenance and replacement difficulty, and is easy to cause oil exudation. The vacuum elevator has high technical requirement and high sealing performance, and the price of the product is higher than that of the similar product; the winch driving equipment has lower safety coefficient.
Disclosure of Invention
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a traction system of screw elevator, includes screw motor, movable pulley, supporting beam, car and two wire rope, screw motor is fixed in the wall, the supporting beam is connected to screw motor's lead screw upper end, and the lower extreme is unsettled, the movable pulley is arranged in supporting beam up end, two wire rope symmetric distributions are in the movable pulley both sides, and every wire rope one end is fixed in ground, and the other end hangs in the movable pulley, the car links to each other with two wire rope.
Further, the motor upper end is equipped with the wiring dish, the screw motor includes:
a motor housing;
a stator fixed in the motor housing;
the hollow rotor assembly is rotatably connected to the central position of the stator through a rotating shaft;
the hollow shaft flange plate and the rear end cover are respectively arranged on two end surfaces of the motor shell;
the hollow shaft gear is in key fit with the hollow rotor assembly;
The screw rod is arranged at the center of the hollow rotor assembly and is in threaded connection with the hollow rotor assembly;
A linkage device in key fit with the hollow rotor assembly;
The screw nut is connected with the linkage device through a screw to form linkage.
Further, an encoder is arranged on one side of the motor shell and is fixed on the rear end cover through bolts, and a transmission gear meshed with the hollow shaft gear is arranged on the encoder.
Further, the linkage device comprises a brake wheel and a mounting disc assembly connected with the brake wheel through bolts.
Further, a brake is connected to one side of the wiring board.
Compared with the prior art, the invention has the advantages that: the screw motor is fixed on a wall, and the screw motor drives the screw nut to move up and down in cooperation with the screw; one end of the screw rod is suspended, the other end of the screw rod is connected with the supporting beam, a movable pulley is arranged above the supporting beam, steel wire ropes connected with the lift car are arranged on two sides of the movable pulley, and the lift of the lift car is driven through movement of the screw rod. The moving distance of the screw rod is 1/2 of the moving distance of the car, so that the use length of the screw rod is reduced under the condition that the lifting heights are the same, and the production cost is further reduced; in addition, the brake wheel is arranged outside the hollow rotor assembly, so that the self-locking of the screw rod and the screw rod nut is realized, and the safety coefficient of the elevator can be improved under the condition that the brake fails; meanwhile, the structure of the invention does not need counterweight, thereby reducing the space requirement of a well.
Drawings
Fig. 1 is a schematic view of the overall structure of a traction system of a screw type elevator of the present invention;
fig. 2 is a schematic view of a screw motor structure of a traction system of a screw elevator according to the present invention.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without making any inventive effort are within the scope of the present invention.
As shown in fig. 1-2, a traction system of a screw elevator comprises a screw motor 3a, a movable pulley 1a, a supporting beam 2a, a car 5a and two steel wire ropes 4a, wherein the screw motor 3a is vertically fixed on a wall through a mounting bracket, the upper end of a screw 10 of the screw motor 3a is connected with the supporting beam 2a, and the lower end of the screw motor is suspended; the movable pulley 1a is arranged above the supporting beam 2a, steel wires 4a are arranged on two sides of the movable pulley 1a, one end of each steel wire 4a is fixed on the ground, and the other end of each steel wire is wound on the movable pulley 1a. The two steel wire ropes 4a are symmetrically distributed about the movable pulley; finally, the car 5a is fixed to the two wire ropes 4 a.
The motor upper end is equipped with the wiring board, the screw motor includes: the motor comprises a motor shell, a stator 3, a hollow rotor assembly 2, a hollow shaft flange plate 1, a rear end cover 5, a hollow shaft gear 7, a screw rod 10, a linkage device and a screw rod nut 11, wherein the stator 3 is arranged in the motor shell, the hollow rotor assembly 2 is arranged at the center of the stator 3, the screw rod 10 penetrates through the center of the hollow rotor assembly 2, the hollow shaft flange plate 1 and the rear end cover 5 are respectively arranged at two ends of the motor shell, and the linkage device comprises a brake wheel 8 matched with the hollow rotor assembly 2 in a key manner and a mounting plate assembly 9 connected with the brake wheel 8 through bolts. The other end of the mounting disc 9 is connected with a screw nut 11 through a bolt, so that the rotation and braking of the screw nut 11 are controlled by a braking wheel. A hollow shaft gear 7 is arranged between the brake wheel 8 and the rear end cover 5. An encoder 12 is arranged on one side of the motor shell, the encoder 12 is fixed on the rear end cover 5 through bolts, and the encoder 12 is provided with a transmission gear meshed with the hollow shaft gear 7. A brake 6 is connected to one side of the terminal plate 4.
During operation, the screw motor rotor rotates to drive the screw nut 11 to rotate, and then the screw nut 11 rotates to drive the screw 10 to move up and down. The lead screw 10 is lifted to drive the supporting beam 2a to synchronously move, so as to drive the movable pulley 1a to move up and down, and the steel wire rope 4a on the movable pulley 1a drives the car 5a to move up and down.
Compared with the prior art, the invention has the advantages that: the screw motor 3a is fixed on a wall, and the screw motor 3a drives the screw nut 11 to move up and down in cooperation with the screw 10; one end of the screw rod 10 is suspended, the other end of the screw rod is connected with the supporting beam 2a, a movable pulley 1a is arranged above the supporting beam 2a, steel wire ropes 4a connected with the elevator car 5a are arranged on two sides of the movable pulley 1a, and the elevator car 5a is driven to ascend and descend through the movement of the screw rod 10. The moving distance of the screw rod 10 is 1/2 of the moving distance of the car 5a, so that the use length of the screw rod 10 is reduced under the condition of the same lifting height, and the production cost is further reduced; in addition, the brake wheel is arranged outside the hollow rotor assembly 2, so that the self-locking of the screw rod 10 and the screw rod nut 11 is realized, and the safety factor of the elevator can be improved under the condition that the brake fails; meanwhile, the structure of the invention does not need counterweight, thereby reducing the space requirement of a well. Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; while the invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will appreciate that modifications may be made to the techniques described in the foregoing embodiments, or that certain features may be substituted for those illustrated therein; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (2)
1. The traction system of the screw elevator is characterized by comprising a screw motor, a movable pulley, a supporting beam, a lift car and two steel wire ropes, wherein the screw motor is fixed on a wall surface, the upper end of a screw rod of the screw motor is connected with the supporting beam, the lower end of the screw rod is suspended, the movable pulley is arranged on the upper end surface of the supporting beam, the two steel wire ropes are symmetrically distributed on two sides of the movable pulley, one end of each steel wire rope is fixed on the ground, the other end of each steel wire rope is suspended on the movable pulley, and the lift car is connected with the two steel wire ropes;
the motor upper end is equipped with the wiring board, the screw motor includes:
a motor housing;
a stator fixed in the motor housing;
the hollow rotor assembly is rotatably connected to the central position of the stator through a rotating shaft;
the hollow shaft flange plate and the rear end cover are respectively arranged on two end surfaces of the motor shell;
the hollow shaft gear is in key fit with the hollow rotor assembly;
The screw rod is arranged at the center of the hollow rotor assembly and is in threaded connection with the hollow rotor assembly;
A linkage device in key fit with the hollow rotor assembly;
The screw nut is connected with the linkage device through a screw to form linkage;
the linkage device comprises a brake wheel and a mounting disc assembly connected with the brake wheel through bolts;
One side of the wiring disc is connected with a brake.
2. The traction system of a screw elevator according to claim 1, wherein an encoder is provided at one side of the motor housing, the encoder is fixed to the rear end cover by bolts, and the encoder is provided with a transmission gear engaged with the hollow shaft gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610294620.XA CN105731228B (en) | 2016-05-06 | 2016-05-06 | Traction system of screw elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610294620.XA CN105731228B (en) | 2016-05-06 | 2016-05-06 | Traction system of screw elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105731228A CN105731228A (en) | 2016-07-06 |
| CN105731228B true CN105731228B (en) | 2024-05-31 |
Family
ID=56288834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610294620.XA Active CN105731228B (en) | 2016-05-06 | 2016-05-06 | Traction system of screw elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105731228B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106494969A (en) * | 2016-12-08 | 2017-03-15 | 宁波永良电梯技术发展有限公司 | Lead-screw elevator |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB623228A (en) * | 1947-02-21 | 1949-05-13 | Oliver Baird | Improvements relating to taking up slack in rope haulage systems |
| FR2282394A1 (en) * | 1974-08-21 | 1976-03-19 | Int Eurolift Ets | PERFECTED LIFT OR LOADER |
| JPH1121033A (en) * | 1997-07-04 | 1999-01-26 | Nippon Otis Elevator Co | Hydraulic elevator |
| JP2000038271A (en) * | 1998-07-23 | 2000-02-08 | Otis Elevator Co | Car self-running type elevator |
| CN2889995Y (en) * | 2006-01-24 | 2007-04-18 | 宁波宏大电梯有限公司 | Elevator |
| CN2920941Y (en) * | 2006-04-27 | 2007-07-11 | 杭州西子孚信科技有限公司 | Screw type domestic elevator |
| CN200943262Y (en) * | 2006-01-13 | 2007-09-05 | 周述光 | Lifting type loft |
| KR20120043792A (en) * | 2010-10-27 | 2012-05-07 | 현대엘리베이터주식회사 | Counterweight-less elevator |
| DE202011108577U1 (en) * | 2011-12-03 | 2012-06-12 | Horst Becker | 4: 1 linear drive unit with counterweight |
| CN204057578U (en) * | 2014-07-06 | 2014-12-31 | 广东亚太西奥电梯有限公司 | A kind of screw mandrel elevator |
| CN105217416A (en) * | 2015-08-21 | 2016-01-06 | 河南理工大学 | The engagement type cage lifter of screw mandrel |
| CN205687368U (en) * | 2016-05-06 | 2016-11-16 | 宁波谷达机电有限公司 | A kind of traction system of screw type elevator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2473578A1 (en) * | 2003-08-07 | 2005-02-07 | Kaj G. Nielsen | Helical screw lift system for an elevator |
-
2016
- 2016-05-06 CN CN201610294620.XA patent/CN105731228B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB623228A (en) * | 1947-02-21 | 1949-05-13 | Oliver Baird | Improvements relating to taking up slack in rope haulage systems |
| FR2282394A1 (en) * | 1974-08-21 | 1976-03-19 | Int Eurolift Ets | PERFECTED LIFT OR LOADER |
| JPH1121033A (en) * | 1997-07-04 | 1999-01-26 | Nippon Otis Elevator Co | Hydraulic elevator |
| JP2000038271A (en) * | 1998-07-23 | 2000-02-08 | Otis Elevator Co | Car self-running type elevator |
| CN200943262Y (en) * | 2006-01-13 | 2007-09-05 | 周述光 | Lifting type loft |
| CN2889995Y (en) * | 2006-01-24 | 2007-04-18 | 宁波宏大电梯有限公司 | Elevator |
| CN2920941Y (en) * | 2006-04-27 | 2007-07-11 | 杭州西子孚信科技有限公司 | Screw type domestic elevator |
| KR20120043792A (en) * | 2010-10-27 | 2012-05-07 | 현대엘리베이터주식회사 | Counterweight-less elevator |
| DE202011108577U1 (en) * | 2011-12-03 | 2012-06-12 | Horst Becker | 4: 1 linear drive unit with counterweight |
| CN204057578U (en) * | 2014-07-06 | 2014-12-31 | 广东亚太西奥电梯有限公司 | A kind of screw mandrel elevator |
| CN105217416A (en) * | 2015-08-21 | 2016-01-06 | 河南理工大学 | The engagement type cage lifter of screw mandrel |
| CN205687368U (en) * | 2016-05-06 | 2016-11-16 | 宁波谷达机电有限公司 | A kind of traction system of screw type elevator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105731228A (en) | 2016-07-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101905831A (en) | Service lift in wind turbines | |
| CN105731228B (en) | Traction system of screw elevator | |
| CN210418839U (en) | Safe energy-saving elevator | |
| CN111874780A (en) | High-speed elevator decompression kuppe | |
| CN104310160B (en) | Lifter | |
| CN109179237A (en) | A kind of fixed frame of hoist engine | |
| CN205687368U (en) | A kind of traction system of screw type elevator | |
| CN110759205B (en) | Dual-drive control elevator | |
| CN2646110Y (en) | Elevator without machine room | |
| CN209906144U (en) | Steel belt type screw rod driving elevator | |
| CN106915711A (en) | A kind of single lowering or hoisting gear for driving multistage synchronization lifting | |
| CN205204567U (en) | No counter weight elevator and lift driving motor , drive unit and actuating system thereof | |
| CN204310635U (en) | A kind of emergency staircase | |
| CN104071677A (en) | Elevator | |
| CN210825146U (en) | Steel wire rope anti-swing device of explosion-proof single-beam crane | |
| CN208906988U (en) | A kind of forcibly driving elevator | |
| CN203269287U (en) | Underneath type elevator without machine room | |
| CN210002981U (en) | lifting mechanism for stereo garage | |
| CN108328460B (en) | Integrated villa ladder car frame | |
| CN110155864B (en) | Direct-drive structure of lifting platform | |
| CN114314263A (en) | Sprocket traction type villa elevator | |
| CN104740877A (en) | Traction lifting device and entertainment rotary glider device | |
| CN102086708A (en) | Chain elevating transmission system for three-dimensional garage | |
| CN201598861U (en) | Synchronous toothed belt type lifter for stereoscopic garage | |
| CN204469211U (en) | Traction lifting device and amusement rotating lifting chair apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |