CN109132821B - Magnetic push-guide unloading type elevator - Google Patents
Magnetic push-guide unloading type elevator Download PDFInfo
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- CN109132821B CN109132821B CN201811337911.8A CN201811337911A CN109132821B CN 109132821 B CN109132821 B CN 109132821B CN 201811337911 A CN201811337911 A CN 201811337911A CN 109132821 B CN109132821 B CN 109132821B
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- type elevator
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B17/00—Hoistway equipment
- B66B17/12—Counterpoises
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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
- B66B11/04—Driving gear ; Details thereof, e.g. seals
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
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- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Elevator Control (AREA)
Abstract
The invention provides a magnetic-push unloading type elevator, which relates to the technical field of elevators and comprises a guide rail, a lift car moving along the guide rail, a dragging steel wire rope connected with the lift car, an elevator host machine used for dragging the dragging steel wire rope, a control cabinet used for controlling the elevator host machine, an energy storage device connected with the control cabinet, a counterweight block connected with the other end of the dragging steel wire rope and a bearing stand column, wherein the guide rail and the bearing stand column are arranged in a shaft; the elevator starting system has the function of helping the elevator to start by using the braking energy, reduces the energy consumption for starting the elevator, is energy-saving and environment-friendly, and is efficient and practical.
Description
Technical Field
The invention relates to the technical field of elevators, in particular to a magnetic push-lead unloading type elevator.
Background
With the development of modern science and technology, the elevator has become more and more popular as a convenient tool, because it not only can make the people who do not change their actions such as old people, children, disabled person conveniently go up and down stairs, but also can help to carry goods, and alleviate a lot of burdens for people's life. With the continuous development of city construction, the number of high-rise buildings is rapidly increased, and a plurality of elevators are installed in each building. The electricity consumption of the elevator is high due to the high utilization rate of the elevator. And due to the continuous development of scientific technology in various fields, the demand on energy is rapidly increased, but the resource of natural energy is very limited. Therefore, in recent years, energy saving and secondary utilization techniques have become very hot topics in various fields.
In the field of elevators, modern elevators all work in a traction mode, and the principle is that one end of a steel wire rope hung on a traction sheave is connected with a lift car, the other end of the steel wire rope is connected with a counterweight with corresponding weight, and friction between the traction sheave and the steel wire rope ensures that the lift car is driven to move up and down when the traction sheave rotates. An elevator is a potential energy load. In order to reduce the drag load and to reduce the power of the elevator motor, the car of the elevator is provided with a counterweight. The weight of the counterbalance weight is generally equal to the weight of the car carrying 50% of the rated load. When there is a mass difference between the two, the elevator hoisting causes a change in the mechanical potential energy. When the elevator is in heavy load ascending and light load descending, the elevator motor absorbs energy from the power grid to drag the elevator to increase the mechanical potential energy of the elevator; when the elevator is in light load ascending or heavy load descending, the operation process needs to reduce the mechanical potential energy, the mechanical potential energy of the elevator is converted into electric energy through a traction machine, and the traction machine is in a power generation state. The electric energy generated in the power generation process of the traction machine needs to be timely processed, otherwise, the traction machine is seriously damaged.
For an alternating-current frequency conversion elevator, an insulated gate bipolar power tube (IGBT) in an elevator frequency converter has a withstand voltage limit, so that for energy generated by elevator braking, the following two treatment methods are mainly adopted at present: one is to feed back energy generated by braking to a capacitor of a direct-current link of the frequency converter for storage, and meanwhile, in order to prevent the capacitor in the frequency converter from being over-voltage, the feedback braking energy is usually dissipated through a high-power resistor, so that not only can a great deal of energy be wasted, but also a great deal of heat energy can be generated due to the dissipation of the resistor, and in order to avoid the negative influence on other parts of components of an elevator machine room due to high temperature, heat dissipation equipment such as an air conditioner and the like needs to be installed, so that secondary waste of energy can be further caused; the other is to adopt the energy storage saving technology, namely, the energy is fed back to an external alternating current power grid through an energy feedback device, but in the way, on one hand, when real-time feedback is carried out, the fed back energy is difficult to ensure to keep consistent frequency and phase with the alternating current power grid, the high-frequency part in feedback components can also generate impact on the stability of the power grid to cause pollution to the power grid, and in addition, the discontinuity of elevator braking energy feedback is difficult to ensure the quality of the fed back energy, and finally, the way can not deduct the generated power from the power consumption, so that users can not obtain any benefit, and the equipment cost is very high; on the other hand, in order to recycle the elevator braking energy, the energy is usually stored by using a conventional energy storage device such as a storage battery, and the storage battery cannot manage and control the energy, so that the power density and the cycle efficiency are low, and the problems of environmental pollution and the like exist.
Therefore, most elevator users hope to have a device which can recycle the energy generated in the elevator braking process and reduce the waste of energy. How to reduce the operation cost on the premise of ensuring the system performance is an urgent problem to be solved in the current elevator energy recycling. Only the problem can be effectively solved, the value of elevator energy recovery can be really realized, energy-saving economic benefits are brought to users to the maximum extent, and the popularization of an elevator energy recovery system in the industry is promoted.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a magnetic push-guide unloading type elevator which has the function of helping the elevator to start by using braking energy.
The magnetic guide device comprises a guide rail, a lift car moving along the guide rail, a dragging steel wire rope connected with the lift car, a lift host used for dragging the dragging steel wire rope, a control cabinet used for controlling the lift host, an energy storage device connected with the control cabinet, a counterweight block connected with the other end of the dragging steel wire rope and a bearing upright post, wherein the guide rail and the bearing upright post are installed in a shaft, magnetic stress blocks are respectively arranged above and below the counterweight block, a magnetic push device used for pushing the counterweight block to move is installed on the bearing upright post, the magnetic push device is connected with the energy storage device, and the magnetic push device comprises a steering gear II installed on the bearing upright post and an electromagnetic converter connected with the steering gear II and used for converting electric energy into magnetic energy.
Further, install the weight detection device who is connected with the switch board in the car, install electric quantity detection device in the energy memory, magnetism deriving device still links to each other with the switch board.
Furthermore, the magnetic derivation device further comprises a steering gear I located between the steering gear II and the electromagnetic converter, the steering gear I is connected with the steering gear II through a connecting straight rod, and the steering gear I is connected with the electromagnetic converter through a connecting rod.
Further, the angle adjustment range of the steering gear I is 0-180 degrees in the vertical direction.
Further, the steering gear II comprises an air cylinder, a rack connected with the air cylinder and a rotating disk meshed with the rack and used for installing and connecting the straight rod.
Further, the electromagnetic converter comprises a spiral coil arranged inside the electromagnetic converter and magnetic force columns arranged at two ends of the electromagnetic converter.
Furthermore, the magnetic column is provided with a limiting block for preventing the magnetic column from separating from the electromagnetic converter.
Further, the installation position of the magnetic derivation device corresponds to the position of the counterweight stopping floor.
Further, the angle adjusting range of the steering gear II is 0-90 degrees in the horizontal direction.
Further, be equipped with the buffer in the well, the buffer is located the car below.
Compared with the prior art, the invention has the advantages that:
1. according to the invention, the magnetic force-bearing blocks are respectively arranged above and below the counterweight block, the magnetic guide device for pushing the counterweight block to move is arranged on the bearing stand column, the magnetic guide device is connected with the energy storage device, the magnetic force-bearing blocks are matched with the magnetic guide device, the energy storage device transmits electric energy to the magnetic guide device, the magnetic guide device converts the electric energy into magnetic energy, and the magnetic force-bearing blocks generate repulsion force by utilizing the principle of magnetic mutual exclusion so as to generate thrust force on the counterweight block; the magnetic derivation device is including installing at the diverter II of bearing stand and being connected with diverter II and be used for turning into the electromagnetic converter of magnetic energy with electric energy, normal condition electromagnetic converter is kept away from the pouring weight, avoid influencing the normal motion to the pouring weight, the magnetic derivation device during operation, diverter II rotates, move electromagnetic converter to directly over or under the pouring weight, be convenient for produce magnetic energy and promote, the elevator starts the completion back, diverter II changes magnetic force converter back original position, accomplish the elevator off-load, high efficiency is practical.
2. The invention is characterized in that a weight detection device connected with a control cabinet is arranged in a lift car, an electric quantity detection device is arranged in an energy storage device, a magnetic push guide device is also connected with the control cabinet, when the lift stops, the energy storage device stores energy completely, the electric quantity detection device detects the electric quantity of the energy storage device and determines whether to start the magnetic push guide device, when the electric quantity is enough and the lift is ready to start to a next target floor, the weight detection device detects the weight of the lift car, the control current of an electromagnetic converter is determined by the weight, a steering gear II rotates to move the electromagnetic converter far away from a counterweight block to the position right above or below the counterweight block, namely when the lift moves upwards, the magnetic converter acts on the upper part of the counterweight block, when the lift moves downwards, the magnetic converter acts on the lower part of the counterweight block to generate magnetic energy to generate repulsion force on a magnetic force block to push the counterweight block to, and the electric energy is saved.
3. The magnetic push-guide device also comprises a steering gear I positioned between the steering gear II and the electromagnetic converter, the angle adjustment range of the steering gear I is 0-180 degrees in the vertical direction, and the steering gear I can act on the weight block only by arranging one electromagnetic converter at each position without arranging a plurality of electromagnetic converters, so that the cost is saved, and the operation and the maintenance are convenient.
4. The steering gear I can also adopt the same structure as the steering gear II, and the device has compact and reasonable structure, is convenient to control and has strong practicability.
5. According to the invention, the magnetic force columns are arranged at the two ends of the electromagnetic converter, the current of the energy storage device enters the electromagnetic converter, the electromagnetic converter generates magnetic energy through the internal spiral coil to push the magnetic force columns to move linearly, so that the magnetic force columns are further close to the counterweight blocks, the repulsion force of the magnetic force columns and the magnetic force blocks on the counterweight blocks is increased, namely the thrust of the magnetic guide device on the counterweight blocks is enhanced, the unloading of an elevator is facilitated, and the energy-saving effect is better.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings related to the present invention in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
FIG. 1 is a schematic view of the structure of the present invention.
FIG. 2 is a schematic structural diagram of a magnetic derivation apparatus according to the present invention.
Fig. 3 is a schematic view of the structure of the component 16 of the present invention.
Fig. 4 is a schematic view of the structure of the component 11 of the present invention.
In the figure, 1 hoistway, 2 guide rails, 3 cars, 4 dragging steel wire ropes, 5 control cabinets, 6 elevator main machines, 7 supporting pulleys, 8 energy storage devices, 9 bearing upright columns, 10 magnetic columns, 101 limiting blocks, 11 electromagnetic converters, 111 spiral coils, 12 connecting rods, 13 counterweight blocks, 131 magnetic stressed blocks, 14 redirectors I and 15 connecting straight rods, 16 redirectors II, 161 cylinders, 162 racks, 163 rotating disks and 17 buffers.
Detailed Description
The technical solutions in the embodiments of the present invention will be described in detail below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1 to 4, the present invention includes a guide rail 2, a car 3 moving along the guide rail 2, a dragging wire rope 4 connected to the car 3, a main elevator machine 6 for dragging the dragging wire rope 4, a control cabinet 5 for controlling the main elevator machine 6, an energy storage device 8 connected to the control cabinet 5, a counterweight 13 connected to the other end of the dragging wire rope 4, and a bearing column 9, wherein the guide rail 2 and the bearing column 9 are installed in a hoistway 1, magnetic force blocks 131 are respectively provided above and below the counterweight 13, a magnetic guidance device for driving the counterweight 13 to move is installed on the bearing column 9, the magnetic guidance device is connected to the energy storage device 8, and the magnetic guidance device includes a steering gear ii 16 installed on the bearing column 9 and an electromagnetic converter 11 connected to the steering gear ii 16 for converting electric energy into magnetic energy.
The elevator comprises a guide rail 2 and a bearing upright post 9 which are arranged in a well 1, wherein a cage 3 which moves along the axial direction of the guide rail 2 is arranged on the guide rail 2, the cage 3 is connected with a counterweight 13 through a dragging steel wire rope 4, the dragging steel wire rope 4 passes through an elevator main machine 6 and supporting pulleys 7 positioned on two sides of the elevator main machine 6, the elevator main machine 6 is connected with a control cabinet 5, the control cabinet 5 is connected with an energy storage device 8, the energy storage device 8 is a super capacitor, and a traveling cable is arranged at the bottom of the cage 3.
According to the invention, magnetic force bearing blocks 131 are respectively arranged above and below a counterweight block 13, a magnetic pushing device for pushing the counterweight block 13 to move is mounted on a bearing upright post 9, the magnetic pushing device is connected with an energy storage device 8, the magnetic force bearing blocks 131 are matched with the magnetic pushing device, the energy storage device 8 transmits electric energy to the magnetic pushing device, the magnetic pushing device converts the electric energy into magnetic energy, repulsion force is generated on the magnetic force bearing blocks by utilizing the principle of magnetic repulsion, so that pushing force is generated on the counterweight block 9, the pulling force for pulling a steel wire rope 4 is reduced when an elevator ascends, the pulling force for pulling the steel wire rope 4 is increased when the elevator descends, the energy consumption of an elevator host machine 6 is further reduced, the secondary utilization of elevator energy is enhanced, energy conservation and environmental protection are achieved; the magnetic derivation device is including installing the electromagnetic converter 11 that is used for turning into magnetic energy with electric energy including the steering gear II 16 of bearing stand 9 and being connected with steering gear II 16, normal condition electromagnetic converter 11 keeps away from counterweight 9, avoid influencing the normal motion to counterweight 9, the magnetic derivation device during operation, steering gear II 16 rotates, move electromagnetic converter 11 directly over counterweight 9 or directly under, be convenient for produce magnetic energy and promote, the elevator starts the back of accomplishing, steering gear II 16 turns back original position with magnetic converter 11, accomplish the elevator off-load, and is high-efficient practical.
Install the weight detection device who is connected with switch board 5 in the car 3, install electric quantity detection device in the energy memory 8, magnetism deriving device still links to each other with switch board 5.
The invention installs a weight detecting device connected with a control cabinet 5 in a car 3, an energy storing device 8 is installed with an electric quantity detecting device, a magnetic push guiding device is also connected with the control cabinet 5, when the elevator stops, the energy storing device 8 stores energy completely, the electric quantity detecting device detects the electric quantity of the energy storing device 8, whether the magnetic push guiding device is started or not is determined, when the electric quantity is enough and the elevator is ready to start to the next target floor, the weight detecting device detects the weight of the elevator car 3, the control current of an electromagnetic converter 11 is determined by the weight, a steering gear II 16 rotates to move the electromagnetic converter 11 far away from a counterweight 9 to the position right above or below the counterweight 9, namely when the elevator ascends, the magnetic converter 11 acts on the upper part of the counterweight 9, when the elevator descends, the magnetic converter 11 acts on the lower part of the counterweight 9 to generate magnetic energy to generate repulsion force to the magnetic stressed block to push the counterweight 9 to move, thereby helping the elevator to unload and save electric energy; the weight detection device and the electric quantity detection device both belong to the prior art, and a person skilled in the art can obtain parts with proper specifications on the market according to needs.
The magnetic push-leading device further comprises a steering gear I14 located between the steering gear II 16 and the electromagnetic converter 11, the steering gear I14 is connected with the steering gear II 16 through a connecting straight rod 15, and the steering gear I14 is connected with the electromagnetic converter 11 through a connecting rod 12.
The angle adjustment range of the steering gear I14 is 0-180 degrees in the vertical direction.
The magnetic push-guide device also comprises a diverter I14 positioned between the diverter II 16 and the electromagnetic converter 11, wherein the diverter I14 is connected with the diverter II 16 through a connecting straight rod 15, the diverter I14 is connected with the electromagnetic converter 11 through a connecting rod 12, the angle adjustment range of the diverter I14 is 0-180 degrees in the vertical direction, preferably, the connecting rod 12 is L-shaped, so that the position adjustment of the electromagnetic converter 11 is facilitated, the magnetic push-guide device can be completed only by arranging one electromagnetic converter 11 at each position, the effect on the weight 9 is achieved, a plurality of electromagnetic converters 11 are not needed, the cost is saved, and the operation and maintenance are facilitated.
The steering gear II 16 comprises an air cylinder 161, a rack 162 connected with the air cylinder 161 and a rotating disk 163 meshed with the rack 162 and used for installing and connecting the straight rod 15, the air cylinder 161 is used for driving the rack 162 to reciprocate, and further the rotating disk 163 meshed with the rack 162 is driven to reciprocate for angle adjustment, and the device is compact and reasonable in structure, convenient to control and high in practicability; the steering gear I14 can also adopt the same structure as the steering gear II 16, and can also realize direction conversion by adopting a mode of combining a motor and a rotating disc.
The electromagnetic converter 11 includes a spiral coil 111 installed inside the electromagnetic converter 11 and magnetic columns 10 installed at both ends of the electromagnetic converter 11.
According to the invention, the magnetic force columns 10 are arranged at two ends of the electromagnetic converter 11, the current of the energy storage device 8 enters the electromagnetic converter 11, the electromagnetic converter 11 generates magnetic energy through the internal spiral coil 111 to push the magnetic force columns 10 to move linearly, so that the magnetic force columns 10 are further close to the counterweight block 13, the repulsive force between the magnetic force columns 10 and the magnetic force bearing blocks 131 on the counterweight block 13 is enhanced, namely, the thrust of the magnetic thrust device on the counterweight block 13 is enhanced, the unloading of an elevator is facilitated, and the energy-saving effect is better.
The magnetic pole 10 is equipped with the stopper 101 that prevents that magnetic pole 10 from breaking away from electromagnetic converter 11, and this structure is favorable to preventing that magnetic pole 10 from following the slide-out of electromagnetic converter 11 both ends when receiving electromagnetic converter 11 to produce too big magnetic force, is favorable to keeping the stability of whole structure.
The installation position of the magnetic derivation device corresponds to the position of the stop floor of the counterweight 9, so that the magnetic derivation device can conveniently unload the elevator when the elevator is started.
The angle adjustment range of the diverter II 16 is 0-90 degrees in the horizontal direction, the magnetic pushing and guiding device is far away from the counterweight 13 in a normal state, the influence on the normal work of the counterweight 13 is avoided, when the magnetic pushing and guiding device works, the diverter II 16 rotates, the electromagnetic converter 11 is moved to the position right above or below the counterweight 13, and the magnetic energy is conveniently generated to be pushed.
Be equipped with buffer 17 in the well 1, buffer 17 is located car 3 below, and when the elevator was unexpected, buffer 17 acted on car 3, was favorable to protecting car 3, has improved the security of elevator.
The specific working process of the invention is as follows:
when the elevator runs upwards with light load or downwards with heavy load, the mechanical potential energy is reduced in the running process, the mechanical potential energy of the elevator is converted into electric energy through the elevator host machine 6 and stored in the energy storage device 8, after the elevator stops, the energy storage of the energy storage device 8 is completed, the electric quantity detection device detects the electric quantity of the energy storage device 8 to determine whether to start the magnetic push guide device, when the electric quantity is enough and the elevator is ready to start to the next target floor, the weight detection device detects the weight of the elevator car 3, the control current of the electromagnetic converter 11 is determined through the weight, the diverter I14 and the diverter II 16 of the magnetic push guide device corresponding to the floor rotate, the electromagnetic converter 11 far away from the counterweight 9 is moved to the position right above or right below the counterweight 9, namely when the elevator runs upwards, the magnetic converter 11 acts on the upper part of the counterweight 9, when the elevator runs downwards, the magnetic converter 11 acts on the lower part of the counterweight 9, magnetic energy is generated to push the magnetic column 10 to move linearly, so that repulsive force is generated on the magnetic force bearing block, the counterweight block 9 is pushed to move, unloading of the elevator is facilitated, electric energy is saved, and after unloading is completed, the electromagnetic converter 11 is adjusted to the original position to wait for next unloading work under the action of the diverter I14 and the diverter II 16.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a magnetic propulsion off-load formula elevator, includes guide rail (2), car (3) that moves along guide rail (2), drag wire rope (4) that link to each other with car (3), be used for dragging elevator host computer (6) that drags wire rope (4), switch board (5) of control elevator host computer (6), energy memory (8) be connected with switch board (5), counterweight block (13) of being connected with dragging wire rope (4) other end, and bearing stand (9), guide rail (2) are installed in well (1) with bearing stand (9), its characterized in that, be equipped with magnetism atress piece (131) respectively to counterweight block (13) top and below, install the magnetic propulsion device that is used for promoting counterweight block (13) to remove on bearing stand (9), the magnetic propulsion device is connected with energy memory (8), the magnetic propulsion device is including installing steering gear II (16) at bearing stand (9) and being connected with steering gear II (16) and using An electromagnetic converter (11) for converting electric energy into magnetic energy.
2. The magnetic push-lead unloading type elevator according to claim 1, wherein a weight detection device connected with the control cabinet (5) is installed in the car (3), an electric quantity detection device is installed in the energy storage device (8), and the magnetic derivation device is further connected with the control cabinet (5).
3. The magnetic guide unloading type elevator according to claim 1, wherein the magnetic derivation means further comprises a deflector i (14) between the deflector ii (16) and the electromagnetic converter (11), the deflector i (14) is connected to the deflector ii (16) through a connecting straight rod (15), and the deflector i (14) is connected to the electromagnetic converter (11) through a connecting rod (12).
4. The magnetic push-and-lead unloading type elevator according to claim 3, wherein the angle adjustment range of the deflector I (14) is 0-180 ° in the vertical direction.
5. The magnetic push-and-guide unloading type elevator as claimed in claim 1, wherein the deflector ii (16) comprises a cylinder (161), a rack (162) connected to the cylinder (161), and a rotary plate (163) engaged with the rack (162) and used for mounting the connecting straight rod (15).
6. The magnetic push-and-lead-unload type elevator according to any of claims 1-5, wherein said electromagnetic converter (11) comprises a helical coil (111) installed inside the electromagnetic converter (11) and magnetic columns (10) installed at both ends of the electromagnetic converter (11).
7. The magnetic push-lead unloading type elevator according to claim 6, wherein the magnetic pole (10) is provided with a stopper (101) that prevents the magnetic pole (10) from being detached from the electromagnetic converter (11).
8. A magnetic push-and-lead-unload elevator according to any of claims 1-5, characterized in that the installation position of the magnetic deducing means corresponds to the landing floor position of the counterweight (13).
9. The magnetic push-and-lead unloading type elevator as claimed in any one of claims 1 to 5, wherein the angle adjustment range of the diverter II (16) is 0-90 ° in the horizontal direction.
10. The magnetic push-lead unloading type elevator according to claim 3, wherein a buffer (17) is provided in the hoistway (1), and the buffer (17) is located below the car (3).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811337911.8A CN109132821B (en) | 2018-11-12 | 2018-11-12 | Magnetic push-guide unloading type elevator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811337911.8A CN109132821B (en) | 2018-11-12 | 2018-11-12 | Magnetic push-guide unloading type elevator |
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| CN109132821A CN109132821A (en) | 2019-01-04 |
| CN109132821B true CN109132821B (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811337911.8A Active CN109132821B (en) | 2018-11-12 | 2018-11-12 | Magnetic push-guide unloading type elevator |
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| CN115385214B (en) * | 2022-07-26 | 2024-03-19 | 广州广日电梯工业有限公司 | Elevator electromagnetic induction balance system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11130362A (en) * | 1997-10-30 | 1999-05-18 | Toshiba Corp | Elevator |
| JP4530544B2 (en) * | 1998-12-11 | 2010-08-25 | 東芝エレベータ株式会社 | Elevator equipment |
| CN205802706U (en) * | 2016-07-01 | 2016-12-14 | 赵常维 | A kind of device for preventing elevator from falling |
| CN207175154U (en) * | 2017-09-12 | 2018-04-03 | 温州安信科技有限公司 | A kind of elevator with energy back |
| CN108059042A (en) * | 2016-11-07 | 2018-05-22 | 奥的斯电梯公司 | Electrical autonomous elevator device |
-
2018
- 2018-11-12 CN CN201811337911.8A patent/CN109132821B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11130362A (en) * | 1997-10-30 | 1999-05-18 | Toshiba Corp | Elevator |
| JP4530544B2 (en) * | 1998-12-11 | 2010-08-25 | 東芝エレベータ株式会社 | Elevator equipment |
| CN205802706U (en) * | 2016-07-01 | 2016-12-14 | 赵常维 | A kind of device for preventing elevator from falling |
| CN108059042A (en) * | 2016-11-07 | 2018-05-22 | 奥的斯电梯公司 | Electrical autonomous elevator device |
| CN207175154U (en) * | 2017-09-12 | 2018-04-03 | 温州安信科技有限公司 | A kind of elevator with energy back |
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| CN109132821A (en) | 2019-01-04 |
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