CN113911876A - Installation method of permanent magnet worm gear speed-reducing strong-driving villa elevator traction machine - Google Patents
Installation method of permanent magnet worm gear speed-reducing strong-driving villa elevator traction machine Download PDFInfo
- Publication number
- CN113911876A CN113911876A CN202111191338.6A CN202111191338A CN113911876A CN 113911876 A CN113911876 A CN 113911876A CN 202111191338 A CN202111191338 A CN 202111191338A CN 113911876 A CN113911876 A CN 113911876A
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- brake
- worm gear
- traction machine
- pair
- elevator traction
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000009434 installation Methods 0.000 title claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000003638 chemical reducing agent Substances 0.000 claims description 6
- 235000014676 Phragmites communis Nutrition 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000007689 inspection Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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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
- B66B11/0035—Arrangement of driving gear, e.g. location or support
- B66B11/0045—Arrangement of driving gear, e.g. location or support in the hoistway
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- 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
- B66B11/0065—Roping
- B66B11/008—Roping with hoisting rope or cable operated by frictional engagement with a winding drum or sheave
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B19/00—Mining-hoist operation
- B66B19/005—Mining-hoist operation installing or exchanging the elevator drive
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
A method for installing a permanent magnet worm gear deceleration strong-drive villa elevator tractor belongs to the technical field of elevator tractor installation. The elevator traction machine comprises a pair of traction rope wheels which are respectively used for drawing traction ropes, and when the elevator traction machine is arranged on the floor platform on the uppermost layer, the pair of traction rope wheels stretch into the lift car lifting operation space from the elevator traction machine abdication port. The occupation of the well space is avoided, and the inspection and the maintenance in daily use are very convenient.
Description
Technical Field
The invention belongs to the technical field of elevator traction machine installation, and particularly relates to an installation method of a permanent magnet worm gear speed-reducing strong-driving villa elevator traction machine.
Background
The permanent magnet worm gear speed-reducing strong-driving villa elevator tractor has the advantages of small volume, light weight, low noise and the like, so the permanent magnet worm gear speed-reducing strong-driving villa elevator tractor is popular with people and can be applied to villa owners with large area. But because it is installed either at the top of the hoistway (i.e., elevator car hoistway) or at the bottom of the hoistway during actual villa installation use, the probability of installation at the top of the hoistway is relatively higher than that at the bottom of the hoistway in view of relative convenience and safety in installation and maintenance. However, either of these arrangements inevitably takes up extremely limited and valuable space in the height direction of the hoistway, which in particular must provide the height space required by the lifting device, only to a different extent.
Technical information related to an elevator traction machine installing method, such as CN101456512A (machine room-less elevator traction machine installing method), CN109153539A (elevator traction machine installing method), and CN112777448A (traction machine system and elevator installing method), etc., can be seen in published chinese patent documents. No teaching is given of other or third mounting means than top-mount mounting and bottom-mount mounting. The technical solutions described below have been created in this context.
Disclosure of Invention
The invention aims to provide an installation method of a permanent magnet worm gear speed-reducing strong-driving villa elevator tractor, which can not only avoid occupying the space in the height direction of a shaft, but also obviously improve the convenience in daily inspection and maintenance.
The task of the invention is accomplished by the following steps that a method for installing a permanent magnet worm gear deceleration strong-drive villa elevator tractor, an elevator traction machine clearance opening for communicating the lift car lifting operation space of the hoistway with the outside is arranged at the position of the hoistway, which faces to one side of an elevator car to enter and exit and is positioned at the uppermost floor platform of the building, the position of the elevator traction machine abdication port on the uppermost floor platform is positioned at one side of an entrance and an exit of an elevator car, and then the elevator traction machine is arranged on the uppermost floor platform at the position corresponding to the elevator traction machine abdication port, the elevator traction machine comprises a pair of traction rope wheels which are respectively used for traction ropes, and when the elevator traction machine is installed on the floor platform on the uppermost layer, the pair of traction rope wheels stretch into the lift car lifting operation space from the yielding port of the elevator traction machine.
In a specific embodiment of the invention, a first rope guide wheel I and a second rope guide wheel II are arranged at the upper part of a car lifting operation space of the hoistway, and the traction rope passes through the first rope guide wheel I and the second rope guide wheel II in sequence and then is fixedly connected with the top of the elevator car.
In another specific embodiment of the present invention, the extent to which the pair of traction sheaves of the elevator traction machine protrude from the elevator traction machine relief opening into the car lifting/lowering operation space is 1 to 3 cm.
In another specific embodiment of the present invention, the extent to which the pair of traction sheaves of the elevator traction machine protrude from the elevator traction machine relief opening into the car lifting/lowering operation space is 1.8 to 2.2 cm.
In still another specific embodiment of the present invention, the extent to which the pair of traction sheaves of the elevator traction machine protrude from the elevator traction machine relief opening into the car lifting/lowering operation space is 2 cm.
In still another specific embodiment of the present invention, the elevator traction machine further includes a motor, a brake disc, a worm reduction gearbox, a brake control box, a worm reduction gearbox seat, a pair of brake arms, and a pair of brake calipers, a motor shaft of the motor is in transmission connection with the brake disc, the brake disc is in transmission connection with a worm reduction gearbox power input shaft of the worm reduction gearbox, the worm reduction gearbox power output shaft of the worm reduction gearbox has a pair of power output shafts distributed in a straight line, the pair of traction sheaves are respectively fixed with the pair of worm reduction gearbox power output shafts in a state of corresponding to each other, the brake is disposed on the top of the worm reduction gearbox, the brake control box is disposed on the brake and is electrically connected with the brake, the worm reduction gearbox seat and the worm reduction gearbox are fixed on one side corresponding to the entrance of the elevator car and at the same time at the position of the elevator traction machine entrance and the floor platform on the uppermost layer, the pair of brake arms correspond to two sides of the brake disc, one ends of the pair of brake arms are respectively connected with a pair of brake pull rods of the brake, the middle parts of the pair of brake arms are respectively in sliding fit with a guide rod, the guide rod is fixed on a front support positioned on the upper part of the worm gear reduction box in a horizontal cantilever state, the other ends of the pair of brake arms are respectively pivoted on a hinge lug, the hinge lug is formed on a rear support positioned on the upper part of the worm gear reduction box, and a pair of brake calipers are respectively hinged with the pair of brake arms through brake caliper pin shafts at positions corresponding to the brake disc; the power output shaft of the worm gear reduction box extends out of one end face, deviating from the worm gear reduction box, of the traction rope wheels and is rotatably supported on the upper portion of the output shaft supporting seat, and the lower portion of the output shaft supporting seat is fixed with the worm gear reduction box seat.
In a more specific embodiment of the invention, the brake is fixed to the front support by a brake holder, and the brake has a manually operated brake handle.
In a further specific embodiment of the present invention, a brake arm position signal collector for collecting position signals of a pair of brake arms is provided on the brake and at a position corresponding to one end of the pair of brake arms facing the brake lever.
In a still more specific embodiment of the present invention, the brake arm position signal collector is a travel switch, a micro switch, a position proximity switch, a reed pipe or a hall sensing element.
In yet another specific embodiment of the present invention, a hoisting ring is provided on the top of the motor; a worm gear reduction box fixing lug is formed at the bottom of the worm gear reduction box and is fixed with the worm gear reduction box seat through a worm gear reduction box fixing lug screw; and an output shaft supporting seat fixing lug is formed at the lower part of the output shaft supporting seat and is fixed with the worm gear reduction box seat through an output shaft supporting seat fixing lug screw.
The technical scheme provided by the invention is that an elevator traction machine clearance opening used for communicating the elevator lift running space of the shaft with the outside is arranged at the position of the shaft, which faces to one side of the elevator car, and is positioned at the uppermost floor platform of the shaft, which corresponds to the building, the elevator traction machine is arranged on the uppermost floor platform at the position corresponding to the elevator traction machine clearance opening, and a pair of traction rope wheels of the elevator traction machine extend into the elevator lift running space from the elevator traction machine clearance opening, so that the installation mode of the elevator traction machine in the prior art is expanded from the mode of selecting one of the upper installation mode and the lower installation mode to the third installation mode, and the elevator traction machine is arranged on the floor platform, thereby not only avoiding the occupation of the shaft space, but also being very convenient for the inspection and the maintenance in daily use.
Drawings
Fig. 1 is a schematic view of the installation method of the permanent magnet worm gear speed-reducing strong-driving villa elevator traction machine.
Fig. 2 is a detailed configuration diagram of the elevator hoist shown in fig. 1.
Detailed Description
Example (b):
referring to fig. 1 and fig. 2, the method of the present invention comprises: an elevator traction machine abdicating opening 12 for communicating a car lifting operation space 11 of the hoistway 1 with the outside is opened in the hoistway 1 toward a side of the elevator car 2 and at a position of the hoistway 1 corresponding to the uppermost floor platform 3 of the building, the position of the elevator traction machine abdicating opening 12 on the uppermost floor platform 3 is positioned at a side of an entrance of the elevator car 2, that is, at a left side or a right side of the entrance (specifically, determined according to a space condition), and the elevator traction machine 4 is mounted on the uppermost floor platform 3 at a position corresponding to the elevator traction machine abdicating opening 12, and preferably a reasonable cover shield having a good heat dissipation and ventilation function and a good safety protection function is adopted, the elevator traction machine 4 includes a pair of sheaves 41 for pulling a traction rope 411, and when the elevator traction machine 4 is mounted on the uppermost floor platform 3, the pair of traction sheaves 41 protrude from the elevator hoisting machine clearance 12 into the car lifting/lowering operation space 11. The reason why the pair of traction sheaves 41 are inserted into the car lifting/lowering operation space 11 is to ensure the normal lifting/lowering of the traction rope 411 in order to avoid the traction rope 411 from scraping against the wall of the hoistway 1. Furthermore, the invention should be regarded as including residential home elevators, although villa elevators are mentioned in the name.
As shown in fig. 1, a first rope guide wheel i 111 and a second rope guide wheel ii 112 are provided at an upper portion of the car elevating space 11 of the hoistway 1, and the hoisting rope 411 is fixedly connected to the top portion of the elevator car 2 after passing through the first rope guide wheel i 111 and the second rope guide wheel ii 112 in sequence.
In the present embodiment, the extent to which the pair of traction sheaves 41 of the elevator hoisting machine 4 protrude from the elevator hoisting machine clearance opening 12 into the car lifting/lowering operation space 11 is preferably 1 to 3cm, more preferably 1.8 to 2.2cm, and most preferably 2cm (2 cm is selected in the present embodiment).
Please refer to fig. 2 in combination with fig. 1, the elevator traction machine 4 further includes a motor 42, a brake disk 43, a worm reduction box 44, a brake 45, a brake control box 46, a worm reduction box seat 47, a pair of brake arms 48 and a pair of brake calipers 49, a motor shaft of the motor 42 is in transmission connection with the brake disk 43, the brake disk 43 is in transmission connection with a worm reduction box power input shaft of the worm reduction box 44, a worm reduction box power output shaft of the worm reduction box 44 has a pair of front and rear disposed in a linear distribution, for example, in a position state shown in fig. 2, the pair of traction sheaves 41 are respectively fixed with the pair of worm reduction box power output shafts in a state corresponding to each other, the brake 45 is disposed on the top of the worm reduction box 44, the brake control box 46 is disposed on the brake 45 and is electrically connected with the brake 45, the worm reduction box seat 47 and the worm reduction box 44 are disposed on a side corresponding to the entrance of the elevator car 2 and at the same time on the elevator car at the same time The position of the tractor abdicating port 12 is fixed with the uppermost floor platform 3, a pair of brake arms 48 corresponds to both sides of the brake disc 43, one ends of the pair of brake arms 48 are respectively connected with a pair of brake pull rods 451 of the brake 45 as shown in the position state of fig. 2, the middle parts of the pair of brake arms are respectively in sliding fit with the guide rods 481, the guide rods 481 are fixed on a front support 4811 positioned at the upper part of the worm gear reducer 44 in a horizontal cantilever state, the other ends of the pair of brake arms 48 are respectively in pivot connection with the hinge lugs 482 as shown in the position state of fig. 2, the hinge lugs 482 are formed on a rear support 4821 positioned at the upper part of the worm gear reducer 44, and a pair of brake calipers 49 are respectively hinged with the pair of brake arms 48 through brake caliper pins 491 at positions corresponding to both sides of the brake disc 43; the power output shafts of the worm gear reduction boxes respectively extend out of one end faces of the traction rope wheels 41, which are far away from the worm gear reduction boxes 44, and are rotatably supported on the upper parts of the output shaft supporting seats 441, and the lower parts of the output shaft supporting seats 441 are fixed with the worm gear reduction box seats 47.
The brake 45 is fixed to the front support 4811 by a brake fixing base 452, and the brake 45 has a manually operated brake handle 453.
A brake arm position signal acquiring unit 454 for acquiring a position signal of the pair of brake arms 48 is provided on the brake 45 at each of positions corresponding to the ends of the pair of brake arms 48 facing the brake lever 451. In this embodiment, the brake arm position signal collector 454 is a microswitch, but may also be a travel switch, a position proximity switch, a reed switch or a hall sensor.
A hoisting ring 421 is arranged on the top of the motor 42; a worm reduction box fixing lug 442 is formed at the bottom of the worm reduction box 44, and the worm reduction box fixing lug 442 is fixed with the worm reduction box seat 47 through a worm reduction box fixing lug screw 4421; an output shaft support fixing lug 4411 is formed on the lower portion of the output shaft support 441, and the output shaft support fixing lug 4411 is fixed to the worm gear case support 47 by an output shaft support fixing lug screw 44111.
From the above-described structures shown in fig. 1 and 2 and described in the specification by the applicant: when the brake 45 drives the pair of brake arms 48 through the brake lever 451 and the pair of brake calipers 49 are driven by the pair of brake arms 48, for example, when the pair of brake calipers 49 are in close contact with the brake disc 43, the brake disc 43 is braked by the pair of brake calipers 49. Specifically, when the pair of brake levers 451 extend, the brake on the brake disc 43 is released, and when the pair of brake levers 451 retract into the controller, the brake on the brake disc 43, i.e., the brake, is released by the pair of brake calipers 49, and the elevator car 2 is not operated.
When necessary inspection and maintenance are to be performed on the elevator traction machine 4, an inspector goes to the floor platform 3 where the elevator traction machine 4 is located, removes the shielding cover or opens the protective door arranged on the shielding cover, and necessary inspection and maintenance are performed.
The applicant needs to emphasize that: if the pair of traction rope wheels 41 is changed to be one on either side of the worm gear reduction box 44 by changing the form, and accordingly, the power output shaft of the worm gear reduction box is only one, the method belongs to the equivalent technical means and still belongs to the technical scope of the invention.
As described above, in the method of the present invention, the elevator traction machine 4 is installed at the elevator traction machine abdicating opening 12 which communicates the car elevating operation space 11 with the outside, and the elevator traction machine abdicating opening 12 is installed at the side of the entrance/exit of the elevator car 2, so that the technical effects described in the above technical effect column by the applicant can be embodied without any unsafe influence on the passengers.
Claims (10)
1. A method for installing a villa elevator traction machine driven by a permanent magnet worm gear in a speed reducing manner is characterized in that a lift car lifting operation space (11) for enabling a shaft (1) to be communicated with the outside is arranged in a position of the shaft (1) facing one side of an elevator car (2) to enter and exit and corresponding to a floor platform (3) on the uppermost layer of a building, an elevator traction machine yielding port (12) is formed in the position of the shaft (1) on the floor platform (3) on the uppermost layer and is positioned on one side of an entrance and exit of the elevator car (2), an elevator traction machine (4) is installed on the floor platform (3) on the uppermost layer at a position corresponding to the elevator traction machine yielding port (12), the elevator traction machine (4) comprises a pair of traction rope pulleys (41) which are respectively used for drawing a traction rope (411), and when the elevator traction machine (4) is installed on the floor platform (3) on the uppermost layer, the pair of traction rope wheels (41) extend into the lift car lifting operation space (11) from the elevator traction machine clearance opening (12).
2. The installation method of the permanent magnet worm gear speed-reducing strong-driving villa elevator traction machine according to claim 1, characterized in that a first rope guide wheel I (111) and a second rope guide wheel II (112) are arranged at the upper part of the lift car lifting operation space (11) of the hoistway (1), and the traction rope (411) sequentially passes through the first rope guide wheel I (111) and the second rope guide wheel II (112) and then is fixedly connected with the top of the elevator lift car (2).
3. The installation method of the permanent magnet worm gear speed-reducing strong-driving villa elevator traction machine according to claim 1, characterized in that the degree of the pair of traction sheaves (41) of the elevator traction machine (4) which is extended from the elevator traction machine clearance port (12) into the car lifting operation space (11) is 1 to 3 cm.
4. The installation method of the permanent magnet worm gear speed-reducing strong-driving villa elevator traction machine according to claim 3, characterized in that the degree of the pair of traction rope wheels (41) of the elevator traction machine (4) extending from the elevator traction machine clearance port (12) into the car lifting operation space (11) is 1.8-2.2 cm.
5. The installation method of the permanent magnet worm gear speed-reducing strong-driving villa elevator traction machine according to claim 4, characterized in that the degree of the pair of traction rope wheels (41) of the elevator traction machine (4) extending into the car lifting operation space (11) from the elevator traction machine clearance port (12) is 2 cm.
6. The installation method of the permanent magnet worm gear speed reduction strong drive villa elevator traction machine according to claim 1, characterized in that the elevator traction machine (4) further comprises a motor (42), a brake disc (43), a worm gear reduction box (44), a brake (45), a brake control box (46), a worm gear reduction box seat (47), a pair of brake arms (48) and a pair of brake calipers (49), wherein a motor shaft of the motor (42) is in transmission connection with the brake disc (43), the brake disc (43) is in transmission connection with a worm gear reduction box power input shaft of the worm gear reduction box (44), a pair of worm gear reduction box power output shafts of the worm gear reduction box (44) are mutually distributed in a straight line shape, the pair of traction rope wheels (41) are respectively fixed with the pair of worm gear reduction box power output shafts in a mutually corresponding state, the brake (45) is arranged at the top of the worm gear reduction box (44), a brake control box (46) is arranged on a brake (45) and is electrically connected with the brake (45), a worm gear reducer base (47) and the worm gear reducer (44) are fixed with the uppermost floor platform (3) at one side corresponding to the entrance and exit of the elevator car (2) and at the same time at the position of the elevator traction machine clearance opening (12), a pair of brake arms (48) correspond to the two sides of the brake disc (43), one ends of the pair of brake arms (48) are respectively connected with a pair of brake pull rods (451) of the brake (45), the middle parts of the pair of brake arms are respectively in sliding fit with a guide rod (481), the guide rod (481) is fixed on a front support (4811) positioned at the upper part of the worm gear reducer (44) in a horizontal cantilever state, the other ends of the pair of brake arms (48) are respectively pivotally connected on a hinge lug (482), and the lug (482) is formed on a rear support (4821) positioned at the upper part of the worm gear reducer (44), a pair of brake calipers (49) are respectively hinged with a pair of brake arms (48) through brake caliper pins (491) at positions corresponding to the brake discs (43); the power output shafts of the worm gear reduction boxes respectively extend out of one end faces of the traction rope wheels (41) deviating from the worm gear reduction boxes (44) and are rotatably supported on the upper parts of the output shaft supporting seats (441), and the lower parts of the output shaft supporting seats (441) are fixed with the worm gear reduction box seats (47).
7. The installation method of the permanent magnet worm gear speed reducing strong driving villa elevator traction machine according to the claim 6, characterized in that the brake (45) is fixed with the front support (4811) through the brake fixing seat (452), and the brake (45) is provided with a manual operation brake handle (453).
8. The installation method of a permanent magnet worm gear speed reducing strong driving villa elevator traction machine according to claim 6, characterized in that a brake arm position signal collector (454) for collecting position signals of a pair of brake arms (48) is respectively arranged on the brake (45) and at the position corresponding to one end of the pair of brake arms (48) towards the brake pull rod (451).
9. The installation method of the permanent magnet worm gear speed reducing strong driving villa elevator traction machine according to claim 8, characterized in that the brake arm position signal collector (454) is a travel switch, a microswitch, a position proximity switch, a reed pipe or a Hall sensing element.
10. The installation method of the permanent magnet worm gear speed-reducing strong-driving villa elevator traction machine according to claim 6, characterized in that a hoisting ring (421) is arranged on the top of the motor (42); a worm gear reduction box fixing lug (442) is formed at the bottom of the worm gear reduction box (44), and the worm gear reduction box fixing lug (442) is fixed with the worm gear reduction box seat (47) through a worm gear reduction box fixing lug screw (4421); an output shaft support fixing lug (4411) is formed at the lower part of the output shaft support (441), and the output shaft support fixing lug (4411) is fixed with the worm gear reduction box seat (47) through an output shaft support fixing lug screw (44111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111191338.6A CN113911876A (en) | 2021-10-13 | 2021-10-13 | Installation method of permanent magnet worm gear speed-reducing strong-driving villa elevator traction machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111191338.6A CN113911876A (en) | 2021-10-13 | 2021-10-13 | Installation method of permanent magnet worm gear speed-reducing strong-driving villa elevator traction machine |
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| Publication Number | Publication Date |
|---|---|
| CN113911876A true CN113911876A (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111191338.6A Pending CN113911876A (en) | 2021-10-13 | 2021-10-13 | Installation method of permanent magnet worm gear speed-reducing strong-driving villa elevator traction machine |
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| CN (1) | CN113911876A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201198428Y (en) * | 2007-10-31 | 2009-02-25 | 康力电梯股份有限公司 | Side elevator of traction machine |
| CN101397111A (en) * | 2007-09-26 | 2009-04-01 | 上海昌华电梯制造有限公司 | Elevator structure for large crossing tower |
| CN101554972A (en) * | 2009-04-29 | 2009-10-14 | 常熟市佳能电梯配件有限公司 | Passenger and goods elevator tractor suitable for frame-type machine-roomless installation |
| CN102556804A (en) * | 2010-12-23 | 2012-07-11 | 上海德圣米高电梯有限公司 | Side type elevator for ship |
| CN203922384U (en) * | 2014-06-20 | 2014-11-05 | 优耐德电梯有限公司 | The side-mounted elevator of a kind of machine room |
| CN208308209U (en) * | 2018-05-14 | 2019-01-01 | 上海法西驱动技术有限公司 | A kind of cottage traction machine |
-
2021
- 2021-10-13 CN CN202111191338.6A patent/CN113911876A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101397111A (en) * | 2007-09-26 | 2009-04-01 | 上海昌华电梯制造有限公司 | Elevator structure for large crossing tower |
| CN201198428Y (en) * | 2007-10-31 | 2009-02-25 | 康力电梯股份有限公司 | Side elevator of traction machine |
| CN101554972A (en) * | 2009-04-29 | 2009-10-14 | 常熟市佳能电梯配件有限公司 | Passenger and goods elevator tractor suitable for frame-type machine-roomless installation |
| CN102556804A (en) * | 2010-12-23 | 2012-07-11 | 上海德圣米高电梯有限公司 | Side type elevator for ship |
| CN203922384U (en) * | 2014-06-20 | 2014-11-05 | 优耐德电梯有限公司 | The side-mounted elevator of a kind of machine room |
| CN208308209U (en) * | 2018-05-14 | 2019-01-01 | 上海法西驱动技术有限公司 | A kind of cottage traction machine |
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Application publication date: 20220111 |
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