CN112694000B - A traction elevator - Google Patents
A traction elevator Download PDFInfo
- Publication number
- CN112694000B CN112694000B CN202011397244.XA CN202011397244A CN112694000B CN 112694000 B CN112694000 B CN 112694000B CN 202011397244 A CN202011397244 A CN 202011397244A CN 112694000 B CN112694000 B CN 112694000B
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- counterweight
- elevator
- traction
- hoistway
- lifting assembly
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 28
- 239000010959 steel Substances 0.000 claims abstract description 28
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 238000005192 partition Methods 0.000 abstract description 7
- 230000007774 longterm Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B17/00—Hoistway equipment
- B66B17/12—Counterpoises
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/02—Guideways; Guides
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
一种曳引式电梯，包括：井道，电梯升降组件，对重升降组件，动力组件；本发明仅将两根型钢作为电梯的承重梁，减少了预留承台的数量，降低了施工难度，节约了成本；同时还在对重与轿厢之间设置了支架隔板，为轿厢导向装置提供支持；对重上并排交错设置的对重轮与承重梁上设置的可旋转的对重导向轮，使钢丝绳自由垂直受力，对重轮位于两承重梁水平投影之间，保证钢丝绳的受力均匀，避免了对重可能发生的轻微扭动对钢丝绳的影响，确保了电梯的可靠长久的运行。
A traction elevator comprises: a hoistway, an elevator lifting assembly, a counterweight lifting assembly, and a power assembly; the present invention uses only two steel sections as the load-bearing beams of the elevator, thereby reducing the number of reserved bearing platforms, reducing the construction difficulty, and saving costs; at the same time, a bracket partition is arranged between the counterweight and the car to provide support for the car guide device; the counterweight wheels arranged side by side and staggered on the counterweight and the rotatable counterweight guide wheels arranged on the load-bearing beam allow the steel wire rope to be freely subjected to vertical force, and the counterweight wheels are located between the horizontal projections of the two load-bearing beams, thereby ensuring that the force on the steel wire rope is uniform, avoiding the influence of the slight twisting of the counterweight on the steel wire rope, and ensuring the reliable and long-term operation of the elevator.
Description
Technical Field
The invention relates to the field of elevators, in particular to a traction type elevator.
Technical Field
An elevator is a motor-powered vertical elevator equipped with a car-like car for use in multi-story buildings for riding or carrying cargo. The vertical lift elevator has a car that travels between at least two vertical columns of rigid guide rails. The size and the structural form of the lift car are convenient for passengers to get in and out or load and unload cargoes. The elevator is convenient for people to go up and down stairs, and greatly promotes the real estate to develop towards the super high-rise direction.
The patent in China with the application number of CN201721884399.X discloses a traction structure of a traction type automobile elevator with a machine room, which comprises a bearing beam which is horizontally arranged above the ground of the machine room and consists of two symmetrically arranged I-shaped steels, and a counterweight beam which is horizontally arranged above the ground of the machine room and is vertical to the bearing beam and consists of channel steel, wherein a traction machine with the traction ratio of 4:1 and a traction wheel driven by the traction machine are fixedly arranged on the bearing beam, two car top guide wheels, rope clamps and car top lifting rope plates are further arranged on the bearing beam, one end of the traction rope is connected to the car top lifting rope plate through a car top rope head, the other end of the traction rope is connected to the counterweight lifting rope plate through a rope head, and the traction rope sequentially bypasses the car top guide wheels, the two car top guide wheels, the traction wheel, the counterweight guide wheels and the counterweight lifting rope plates and is stopped on the counterweight lifting rope plate. The traction elevator adopts a bearing beam which is horizontally arranged above the ground of a machine room and consists of two symmetrically arranged I-beams, and a counterweight beam which is horizontally arranged above the ground of the machine room and is vertical to the bearing beam and consists of channel steel is used as a beam for bearing the counterweight and a car, the structure is required to be welded at the junction of the bearing beam and the counterweight beam, the operation of the technical scheme is not stable enough and becomes more complex, and when the counterweight moves too fast and passes through the car, the swinging against the car can occur, the force on the steel wire rope can be increased, and the potential safety hazard can be brought.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides a traction type elevator.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
A traction elevator includes a hoistway providing mounting locations for an elevator hoist assembly, a counterweight hoist assembly, and a power assembly; the elevator lifting assembly is arranged in the hoistway and moves up and down under the action of the power assembly; the elevator comprises an elevator body, a counterweight lifting assembly, a box top wheel, a counterweight lifting assembly, a traction wheel, a guide pulley, a counterweight lifting assembly and a counterweight lifting assembly, wherein the gravity of the elevator lifting assembly is balanced through a steel wire rope and the power assembly is arranged in a hoistway, the power assembly is arranged in the hoistway and used for providing lifting power for the elevator lifting assembly, the elevator lifting assembly comprises an elevator hoistway and a counterweight lifting assembly, the elevator hoistway comprises a space for providing up-down movement for the elevator box body, the counterweight hoistway comprises a first section bar and a second section bar which are arranged in parallel and are used for providing up-down movement for the counterweight, the first section bar and the second section bar are fixedly arranged at the tops of the elevator hoistway and the counterweight hoistway, the power assembly comprises a traction wheel, the traction wheel is fixedly arranged on the traction wheel and used for outputting power output by the traction machine through the steel wire rope, the two ends of the steel wire rope are respectively fixed on the bearing beam, the elevator lifting assembly comprises an elevator box body, a bearing pulley for transmitting power, a box body is suspended in the elevator hoistway for carrying people or goods, a box top wheel is fixedly arranged at the top of the elevator box body, the direction of the elevator box body is fixedly arranged at the top, the top of the elevator box body is fixedly arranged at the top, the counterweight lifting assembly is fixedly arranged on the lifting assembly and is fixedly arranged on the lifting assembly through the guide pulley and is fixedly arranged on the lifting assembly, and the lifting assembly by the lifting assembly, and the lifting assembly is arranged on the lifting assembly by the lifting assembly, the elevator counterweight guide wheel is characterized in that a bracket baffle plate is arranged between an elevator shaft and the counterweight shaft, the counterweight guide wheel comprises a pulley which is movably matched with a cylindrical shaft fixed on a pulley frame, the pulley frame is movably matched with a bolt, and the bolt is fixedly connected with the first section bar through two nuts.
In the prior art, a bearing beam consisting of two symmetrically arranged I-beams horizontally arranged above the ground of a machine room and a counterweight beam consisting of channel steel horizontally arranged above the ground of the machine room and vertical to the bearing beam are used for enabling an elevator car and a counterweight to be suspended in a hoistway, and for facilitating transportation and installation, the two parts of the bearing beam and the counterweight beam of the vertical structure are required to be welded, so that the connection is very weak, the welding part and the part, serving as the bearing beam, of the lower end of the I-beam of the bearing beam are not strong enough, dangers can occur after a long time, and when the counterweight moves too fast and meets the elevator car, swinging leaning against the elevator car can occur, and as known by simple stress analysis, the force on a steel wire rope can be increased, safety hazards can be brought about, and safety accidents can be caused after a long time.
According to the technical scheme, only two parallel sectional materials are used as bearing beams to bear the lift car and the counterweight, so that the beam structure is simpler, a bearing platform for bearing the bearing beams is required to be reserved, the bearing beams are mounted more conveniently, preferably, the sectional materials are I-shaped steel, support partition plates for isolating the lift well and the counterweight well are arranged, preferably, the support partition plates comprise two support partition plates for connecting the well wall and a third support partition plate positioned between the counterweight and the lift car, the third support partition plate is provided with a guide rail and a braking device for controlling the counterweight to move, the guide rail limits the track of the counterweight, a pulley frame of a counterweight guide wheel is sleeved on a bolt and is in movable fit with the pulley frame, the pulley frame can rotate around the bolt, the counterweight can be converted into the counterweight, a steel wire rope and the counterweight in a micro-torsion state in the starting or braking process, the counterweight is in a micro-torsion state, the counterweight is always deviated from a side plate, and a side plate is connected with the side plate of the pulley frame through a side plate, and the side plate is in a small-diameter mode, the side plate is always far away from the side plate is connected with the side plate of the side plate, and the side plate is in a vertical state, and the side plate is connected with the side plate is in a side plate is always in a side plate of the side plate is in a side plate of a side plate.
Preferably, the bolt is fixed on the spandrel girder through a nut, one end of the bolt far away from the nut is provided with a bolt hole, and a bolt is fixed in the bolt hole.
Preferably, the counterweight lifting assembly at least comprises two counterweight wheels, and the two counterweight wheels are fixedly arranged at the top of the counterweight.
In the technical scheme, the two counterweight pulleys are not required to be arranged in parallel at intervals in the vertical direction of the bearing beam, so that the counterweight is longer in installation length in the vertical direction of the bearing beam, the counterweight beam vertical to the bearing beam is required to bear, the installation length refers to the vertical distance between the rope end of the steel wire rope on the counterweight beam along the direction of the counterweight beam and the plane where the traction sheave is located, the two counterweight pulleys can be arranged at intervals in a staggered mode, the installation length of the counterweight in the vertical direction of the bearing beam can be shortened through the arrangement, the counterweight lifting assembly can be suitable for being installed between the counterweight beams formed by two sections, and the installation length refers to the horizontal linear distance between the installation position of the counterweight guide wheel on the bearing beam and the installation position of the rope end of the counterweight guide wheel.
Preferably, the two counterweight wheels are arranged on the counterweight in parallel and staggered, and the staggered distance of the two counterweight wheels on the horizontal plane is equal to the diameter length of the counterweight guide wheel.
In the technical scheme, the staggered distance refers to the projection distance of two end points, which are positioned on the same side of the rotating shafts, of the two counterweight wheels on the horizontal plane, wherein the horizontal distance is equal to the horizontal distance, so that the wire rope between the counterweight wheels and the counterweight guide wheels is in a vertical state, and the minimum pulling force on the wire rope is ensured.
Preferably, the counterweight guide wheel is fixed on the first section bar, and one end of the steel wire rope led out from the counterweight wheel is fixed on the second section bar.
Preferably, the elevator lifting assembly comprises at least two box top wheels and at least two box body guide wheels, wherein the box top wheels are respectively fixed at two ends of the elevator box body along the direction of the bearing beam, and the two box body guide wheels are positioned in the middle of the two box top wheels in the horizontal direction.
Preferably, one end of the diameter of the traction sheave on the horizontal plane is horizontally spaced from one end of the diameter of the counterweight on the horizontal plane by zero, and the other end of the diameter of the traction sheave on the horizontal plane is horizontally spaced from one end of the diameter of the box top sheave on the horizontal plane near the counterweight by zero.
Preferably, the distance between the end of the diameter of the box top wheel on the horizontal plane, which is close to the counterweight, and the end of the diameter of the box top wheel on the horizontal plane, which is far away from the counterweight, and the distance between the end of the diameter of the box top wheel on the horizontal plane, which is far away from the counterweight, and the end of the diameter of the box top wheel on the horizontal plane, which is far away from the counterweight, are zero.
Preferably, the traction machine is selected from one of an asynchronous traction machine and a synchronous traction machine.
In summary, the beneficial effects of the invention are as follows:
1. the invention only needs two sections as the bearing steel beams of the whole elevator device, has less bearing platforms to be reserved, does not need welding, is convenient to construct, saves cost, does not need counterweight steel beams in staggered arrangement, and improves the utilization rate of a well;
2. According to the elevator device, the counterweight is isolated from the elevator car by the group of support partition boards, so that the support is provided for the elevator car operation guide mechanism, and the stable long-term operation of the whole elevator device is ensured;
3. According to the invention, the counterweight guide wheel is rotatable, so that the counterweight lifting device is simply arranged between the two sections, and meanwhile, the slight torsion of the counterweight can not influence the vertical state of the steel wire rope, thereby ensuring the state that the tension in the steel wire rope is always minimum and prolonging the service life of the steel wire rope;
4. the invention adopts a 4:1 rope winding mode, reduces the load of the main shaft of the traction machine, improves the service life of the bearing, and simultaneously improves the upper limit of the carrying capacity of the elevator;
5. the synchronous traction machine scheme adopted by the invention is higher than that of an asynchronous traction machine, and has high energy efficiency and good energy-saving performance.
Drawings
Fig. 1 is a schematic top view of a traction elevator according to embodiment 1;
fig. 2 is a side view of a traction type elevator provided in embodiment 2;
FIG. 3 is a cross-sectional view of a counterweight guide wheel;
In the figure, 1-well, 2-elevator lifting assembly, 3-counterweight lifting assembly, 4-power assembly, 11-elevator well, 12-counterweight well, 13-spandrel girder, 14-bracket baffle, 21-elevator car, 22-car top wheel, 23-car guide wheel, 31-counterweight, 32-counterweight guide wheel, 33-counterweight wheel, 41-traction machine, 42-traction wheel, 43-wire rope, 131-first section bar, 132-second section bar, 321-pulley, 322-pulley frame, 323-bolt.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be understood that the detailed description is presented by way of example only and is not intended to limit the invention.
Example 1
1. A traction elevator comprising:
A hoistway 1 providing mounting locations for an elevator hoist assembly 2, a counterweight hoist assembly 3, and a power assembly 4;
an elevator lifting assembly 2 which is arranged in the well 1 and moves up and down under the action of a power assembly 4;
A counterweight lifting assembly 3 installed in the hoistway 1 and balancing the weight of the elevator lifting assembly 2 by a wire rope 43;
a power assembly 4 installed in the hoistway 1 and providing lifting power for the elevator lifting assembly 2;
the hoistway 1 includes:
An elevator hoistway 11 providing a space for the elevator car 21 to move up and down;
a counterweight hoistway 12 that provides a space for the counterweight 31 to move up and down;
The spandrel girder 13 is composed of a first section bar 131 and a second section bar 132 which are arranged in parallel, is fixedly arranged at the top parts of the elevator well 11 and the counterweight well 12 and provides mounting positions for the elevator lifting assembly 2, the counterweight lifting assembly 3 and the power assembly 4;
the power assembly 4 includes:
a traction machine 41 fixed to the load beam 13 and providing kinetic energy for the movement of the elevator car 21;
a traction sheave 42 fixed to the hoisting machine 41, and outputting power output from the hoisting machine 41 through a wire rope 43;
the two ends of the steel wire rope 43 are respectively fixed on the spandrel girder 13 and transmit power to draw the pulley to rotate;
the elevator lifting assembly 2 comprises:
an elevator car 21 suspended in the elevator hoistway 11 for carrying persons or goods;
A top wheel 22 fixedly installed at the top of the elevator car 1 for controlling the movement direction of the elevator car 21 by rotation;
the box body guide wheel 23 is fixedly arranged on the spandrel girder 13, and changes the direction of the upper force of the steel wire rope 43 through rotation;
The counterweight lifting assembly 3 comprises:
a counterweight 31 suspended in the counterweight hoistway 12 for balancing the weight of the elevator car 21;
The counterweight guide wheels 32 are fixedly arranged on the spandrel girder 13, and change the direction of the upper force of the steel wire rope 43 through rotation;
a counterweight wheel 33 fixed on the top of the counterweight 31 to drive the counterweight 31 to move up and down;
it is characterized in that the method comprises the steps of,
A bracket baffle 14 is arranged between the elevator shaft 11 and the counterweight shaft 12;
the counterweight guide wheel 32 includes:
a pulley 321 movably coupled to a cylindrical shaft fixed to the pulley frame 322;
pulley yoke 322, with bolt 323 movable fit;
the bolt 323 is fixedly connected with the first section bar 131 through two nuts.
The bolt 233 is fixed on the spandrel girder 13 through a nut, one end of the bolt 233 far away from the nut is provided with a bolt hole, and a bolt is fixed in the bolt hole.
The counterweight lifting assembly 3 at least comprises two counterweight wheels 33, and the two counterweight wheels 33 are fixedly arranged at the top of the counterweight.
The two counterweight wheels 33 are arranged on the counterweight 31 in parallel and staggered, and the staggered distance of the two counterweight wheels 33 on the horizontal plane is equal to the diameter length of the counterweight guide wheel 32.
The counterweight guide wheel 32 is fixed on the first section bar 131, and one end of the wire rope 43 led out from the counterweight wheel 33 is fixed on the second section bar 132.
The elevator lifting assembly 2 comprises at least two box top wheels 22 and at least two box body guide wheels 23, wherein the box top wheels 22 are respectively fixed at two ends of the elevator box body 21 along the direction of the bearing beam 13, and the two box body guide wheels 23 are positioned between the two box top wheels 22 in the horizontal direction.
The distance between the end of the diameter of the traction sheave 42 on the horizontal plane and the end of the diameter of the counterweight sheave 33 on the horizontal plane is zero, and the distance between the other end of the diameter of the traction sheave 42 on the horizontal plane and the end of the diameter of the roof sheave 22 on the horizontal plane near the counterweight 31 is zero.
The distance between the end of the diameter of the top sheave 22 on the horizontal surface, which is close to the counterweight 31, and the end of the diameter of the box guide sheave 23 on the horizontal surface, which is far from the counterweight 31, is zero, and the distance between the end of the diameter of the top sheave 22 on the horizontal surface, which is far from the counterweight 31, and the end of the diameter of the other box guide sheave 23 on the horizontal surface, is zero.
The traction machine 41 is selected from one of an asynchronous traction machine and a synchronous traction machine.
Claims (7)
1. A traction elevator comprising:
A hoistway (1) providing mounting locations for an elevator hoist assembly (2), a counterweight hoist assembly (3), and a power assembly (4);
the elevator lifting assembly (2) is arranged in the hoistway (1) and moves up and down under the action of the power assembly (4);
a counterweight lifting assembly (3) installed in the hoistway (1) and balancing the weight of the elevator lifting assembly (2) by a wire rope (43);
The power assembly (4) is arranged in the hoistway (1) and provides lifting power for the elevator lifting assembly (2);
the hoistway (1) includes:
An elevator hoistway (11) that provides a space for an elevator car (21) to move up and down;
a counterweight hoistway (12) that provides a space for a counterweight (31) to move up and down;
the spandrel girder (13) consists of a first section bar (131) and a second section bar (132) which are arranged in parallel, is fixedly arranged at the tops of the elevator well (11) and the counterweight well (12) and provides mounting positions for the elevator lifting assembly (2), the counterweight lifting assembly (3) and the power assembly (4);
The power assembly (4) comprises:
a traction machine (41) fixed on the bearing beam (13) for providing kinetic energy for the movement of the elevator box (21);
a traction sheave (42) fixed to the traction machine (41) and outputting power output from the traction machine (41) through a wire rope (43);
the two ends of the steel wire rope (43) are respectively fixed on the spandrel girder (13) and transmit power to draw the pulley to rotate;
the elevator lifting assembly (2) comprises:
an elevator car (21) suspended in the elevator hoistway (11) for carrying people or cargo;
A box top wheel (22) fixedly arranged at the top of the elevator box body (21) and used for controlling the movement direction of the elevator box body (21) through rotation;
the box body guide wheel (23) is fixedly arranged on the spandrel girder (13) and changes the direction of the upper force of the steel wire rope (43) through rotation;
the counterweight lifting assembly (3) comprises:
a counterweight (31) suspended in the counterweight hoistway (12) for balancing the weight of the elevator car (21);
the counterweight guide wheel (32) is fixedly arranged on the spandrel girder (13) and changes the direction of the upper force of the steel wire rope (43) through rotation;
A counterweight wheel (33) fixed on the top of the counterweight (31) to drive the counterweight (31) to move up and down;
it is characterized in that the method comprises the steps of,
A bracket baffle plate (14) is arranged between the elevator well (11) and the counterweight well (12);
The counterweight guide wheel (32) comprises:
A pulley 321 movably engaged with a cylindrical shaft fixed to a pulley frame 322;
a pulley frame (322) movably matched with the bolt (323);
The bolt (323) is fixedly connected with the first section bar (131) through two nuts;
the two counterweight wheels (33) are arranged on the counterweight (31) in parallel in a staggered manner, and the staggered distance of the two counterweight wheels (33) on the horizontal plane is equal to the diameter length of the counterweight guide wheel (32);
the elevator lifting assembly (2) comprises at least two box top wheels (22) and at least two box body guide wheels (23), wherein the box top wheels (22) are respectively fixed at two ends of the elevator box body (21) along the direction of the bearing beam (13), and the two box body guide wheels (23) are positioned in the middle of the two box top wheels (22) in the horizontal direction.
2. The traction type elevator according to claim 1, wherein the bolt (323) is fixed on the spandrel girder (13) through a nut, a bolt hole is formed in one end of the bolt (323) away from the nut, and a bolt is fixed in the bolt hole.
3. A traction elevator according to claim 1, characterized in that the counterweight hoisting assembly (3) comprises at least two counterweight sheaves (33), both counterweight sheaves (33) being fixedly mounted on top of the counterweight.
4. A traction elevator as defined in claim 1, characterized in that said box guide sheave (23) is fixed to a first profile (131) and that the end of said wire rope (43) leading from said counterweight sheave (33) is fixed to a second profile (132).
5. The traction elevator as claimed in claim 1, characterized in that one end of the diameter of the traction sheave (42) in the horizontal plane is at zero distance in the horizontal direction from one end of the diameter of the counterweight (33), and the other end of the diameter of the traction sheave (42) in the horizontal plane is at zero distance in the horizontal direction from one end of the diameter of the roof sheave (22) in the horizontal plane near the counterweight (31).
6. The traction elevator as claimed in claim 1, characterized in that the end of the diameter of the roof sheave (22) on the horizontal plane near the counterweight (31) is at zero distance in the horizontal direction from the end of the diameter of one of the case guide sheaves (23) on the horizontal plane, and the end of the diameter of the roof sheave (22) on the horizontal plane far from the counterweight (31) is at zero distance in the horizontal direction from the end of the diameter of the other case guide sheave (23) on the horizontal plane.
7. A traction elevator as claimed in claim 1, characterized in that the hoisting machine (41) is selected from one of an asynchronous hoisting machine or a synchronous hoisting machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011397244.XA CN112694000B (en) | 2020-12-03 | 2020-12-03 | A traction elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011397244.XA CN112694000B (en) | 2020-12-03 | 2020-12-03 | A traction elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112694000A CN112694000A (en) | 2021-04-23 |
| CN112694000B true CN112694000B (en) | 2024-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011397244.XA Active CN112694000B (en) | 2020-12-03 | 2020-12-03 | A traction elevator |
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| Country | Link |
|---|---|
| CN (1) | CN112694000B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214114617U (en) * | 2020-12-03 | 2021-09-03 | 恒达富士电梯有限公司 | Traction type elevator |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4383579B2 (en) * | 1999-04-30 | 2009-12-16 | 東芝エレベータ株式会社 | Elevator equipment |
| CN104891313A (en) * | 2015-06-30 | 2015-09-09 | 中科西奥电梯有限公司 | 1/4 elevator without machine room |
| CN111003626B (en) * | 2020-01-16 | 2025-05-09 | 厦门嘉达声学技术有限公司 | Traction machine vibration isolation system |
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2020
- 2020-12-03 CN CN202011397244.XA patent/CN112694000B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214114617U (en) * | 2020-12-03 | 2021-09-03 | 恒达富士电梯有限公司 | Traction type elevator |
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| CN112694000A (en) | 2021-04-23 |
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