阅读说明：本技术 新型无绳电梯 (Novel cordless elevator ) 是由 李定海 吴玉莹 易成涛 黎永光 范吉军 于 2019-12-09 设计创作，主要内容包括：本发明公开一种新型无绳电梯,包括支撑柱、轿厢以及磁力驱动装置,所述轿厢沿上下向活动安装于所述支撑柱,所述磁力驱动装置包括设于所述支撑柱且沿上下向间隔设置的多个第一磁体、以及设于所述轿厢的第二磁体,多个所述第一磁体与所述第二磁体之间相互配合,以形成用于驱动所述第二磁体向上活动的磁力。依靠所述第一磁体和所述第二磁体之间的引力和斥力,使得所述第一磁体受到整体向上的磁力,向上的磁力克服所述轿厢的重力,驱动所述轿厢上行。(The invention discloses a novel cordless elevator which comprises a supporting column, a lift car and a magnetic force driving device, wherein the lift car is movably arranged on the supporting column in the vertical direction, the magnetic force driving device comprises a plurality of first magnets which are arranged on the supporting column and are arranged at intervals in the vertical direction and a second magnet which is arranged on the lift car, and the first magnets and the second magnet are matched with each other to form magnetic force for driving the second magnet to move upwards. And the first magnet is subjected to overall upward magnetic force by virtue of the attractive force and the repulsive force between the first magnet and the second magnet, and the upward magnetic force overcomes the gravity of the car to drive the car to move upwards.)

1. A novel ropeless elevator is characterized by comprising:

a support pillar;

the lift car is movably arranged on the support column along the vertical direction;

magnetic force drive arrangement, including locating support column and along a plurality of first magnets that the interval set up from top to bottom and locating the second magnet of car, it is a plurality of first magnet with mutually support between the second magnet, in order to form and be used for the drive the magnetic force of second magnet activity that makes progress.

2. The novel ropeless elevator as claimed in claim 1, wherein a moving space is formed between two adjacent first magnets, and when the second magnet moves in the moving space, the first magnet located at the lower side and the second magnet are magnetically repulsive, and the first magnet located at the upper side and the second magnet are magnetically attractive.

3. The novel ropeless elevator as claimed in claim 1, wherein the cage is disposed in a ring shape, and is formed with a mounting hole extending in an up-down direction;

the support column is arranged in the mounting hole.

4. The novel ropeless elevator as claimed in claim 3, further comprising a guide structure, wherein the guide structure comprises a slider and a guide rail, the slider and the guide rail are engaged with each other, one of the slider and the guide rail is disposed on the support pillar, and the other one of the slider and the guide rail is disposed on the car.

5. The new ropeless elevator as claimed in claim 1, wherein the first magnet and/or the second magnet is an electromagnet.

6. The novel ropeless elevator as claimed in claim 5, further comprising a circuit board assembly electrically connected to the electromagnet.

7. The new ropeless elevator as set forth in claim 1, further comprising a position sensor provided to said support column.

8. The novel ropeless elevator as claimed in claim 1, further comprising a limiting device, wherein the limiting device comprises a limiting groove and a limiting protrusion, one of the limiting groove and the limiting protrusion is disposed on the supporting pillar, and the other limiting groove and the limiting protrusion are mounted to the car.

9. The novel ropeless elevator as claimed in claim 1, further comprising a speed limiting device, wherein the speed limiting device comprises a movable block movably mounted on the car in an up-down direction, and a friction plate mounted to the movable block, and the friction plate is located between the car and the supporting column;

when the car moves down, the movable block drives the friction disc with support column friction butt is used for restricting the downward operating speed of car.

10. The novel ropeless elevator as claimed in claim 9, wherein a spring is provided between the movable block and the car.

Technical Field

The invention relates to the technical field of cordless lifting, in particular to a novel cordless elevator.

Background

The existing elevator generally realizes the lifting of the elevator by driving a steel wire rope through a motor, the motor is required to be installed at the top of a building, a winch is driven by the rotation of the motor, the steel wire rope is wound on the winch, one end of the steel wire rope is connected with a lift car, and the other end of the steel wire rope is connected with a balance weight of the lift car. For the underlying building, such a roped elevator not only takes up space, but also risks breaking of the steel ropes.

Disclosure of Invention

The invention mainly aims to provide a novel cordless elevator which does not need a motor and a steel wire rope and occupies small space in installation.

In order to achieve the above object, the present invention provides a novel ropeless elevator, including:

a support pillar;

the lift car is movably arranged on the support column along the vertical direction;

magnetic force drive arrangement, including locating support column and along a plurality of first magnets that the interval set up from top to bottom and locating the second magnet of car, it is a plurality of first magnet with mutually support between the second magnet, in order to form and be used for the drive the magnetic force of second magnet activity that makes progress.

Optionally, an activity space is formed between two adjacent first magnets, when the second magnet moves in the activity space, the first magnet and the second magnet located below repel each other magnetically, and the first magnet and the second magnet located above attract each other magnetically.

Optionally, the car is annularly arranged, and a mounting hole extending in the vertical direction is formed;

the support column is arranged in the mounting hole.

Optionally, novel cordless elevator still includes guide structure, guide structure is including slider and the guide rail of mutually supporting, slider and guide rail, one of them is located on the support column, and another is located on the car.

Optionally, the first magnet and/or the second magnet is an electromagnet.

Optionally, the novel cordless elevator further comprises a circuit board assembly, and the circuit board assembly is electrically connected with the electromagnet.

Optionally, the novel ropeless elevator further comprises a position sensor arranged on the supporting column.

Optionally, novel cordless elevator still includes stop device, stop device is including the spacing groove and the spacing arch of mutually supporting, spacing groove and spacing arch, one of them is located on the support column, another installation extremely the car.

Optionally, the novel cordless elevator further comprises a speed limiting device, wherein the speed limiting device comprises a movable block movably mounted on the car along the vertical direction and a friction plate mounted on the movable block, and the friction plate is located between the car and the support column;

when the car moves down, the movable block drives the friction disc with support column friction butt is used for restricting the downward operating speed of car.

Optionally, a spring is arranged between the movable block and the car.

According to the technical scheme, the first magnets are arranged on the support column at intervals corresponding to the positions of floors according to the number of the floors, the first magnets are subjected to overall upward magnetic force by virtue of attractive force and repulsive force between the first magnets and the second magnets, the upward magnetic force overcomes the gravity of the car to drive the car to move upwards, a motor, a winch, a steel wire rope and the like are omitted, the occupied space for installation is small, and the car is stable and safe to operate.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic view of an embodiment of a novel ropeless elevator provided by the present invention;

figure 2 is a schematic view of the car of figure 1.

The reference numbers illustrate:

the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described 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 of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if directional indication is involved in the embodiment of the present invention, the directional indication is only used for explaining the relative positional relationship, the motion situation, and the like between the components in a certain posture, and if the certain posture is changed, the directional indication is changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The existing elevator generally realizes the lifting of the elevator by driving a steel wire rope through a motor, the motor is required to be installed at the top of a building, a winch is driven by the rotation of the motor, the steel wire rope is wound on the winch, one end of the steel wire rope is connected with a lift car, and the other end of the steel wire rope is connected with a balance weight of the lift car. For the underlying building, such a roped elevator not only takes up space, but also risks breaking of the steel ropes.

In view of this, the present invention provides a novel ropeless elevator, which does not need a motor and a wire rope and occupies a small space, and fig. 1 to 2 are an embodiment of the novel ropeless elevator provided by the present invention.

Referring to fig. 1 to 2, the novel ropeless elevator includes a support pillar 1, a car 2 and a magnetic driving device 3, the car 2 is movably installed on the support pillar 1 in the up-down direction, the magnetic driving device 3 includes a plurality of first magnets 31 disposed on the support pillar 1 and spaced in the up-down direction, and a second magnet 32 disposed on the car 2, and the plurality of first magnets 31 and the second magnet 32 are mutually matched to form a magnetic force for driving the second magnet 32 to move upwards.

In the technical scheme of the invention, a plurality of first magnets 31 are arranged at intervals on the support column 1 at positions corresponding to floors according to the number of the floors, and the second magnets 32 are subjected to integral upward magnetic force by virtue of attractive force and repulsive force between the first magnets 31 and the second magnets 32, the upward magnetic force overcomes the gravity of the car 2 to drive the car 2 to move upwards, a motor, a winch, a steel wire rope and the like are omitted, so that the occupied space is small, and the operation is stable and safe.

Specifically, the car 2 is annularly arranged, and is provided with an installation hole extending along the vertical direction; the support column 1 is arranged in the mounting hole. The car 2 and the support column 1 are designed coaxially, the support column 1 serves as an inner shaft to support the car 2 and the magnetic driving device 3, and the effect is better.

It should be noted that, in the present embodiment, in order to make the arrangement compact, a cavity is formed in the support column 1, a plurality of the first magnets 31 are located in the cavity, the structure is compact, and the first magnets 31 and the second magnets 32 are prevented from interfering with each other.

In order to ensure that the car 2 moves up and down along a fixed track, in this embodiment, the novel cordless elevator further comprises a guide structure, the guide structure comprises a sliding block 21 and a guide rail 11 which are matched with each other, one of the sliding block 21 and the guide rail 11 is arranged on the supporting column 1, and the other one is arranged on the car 2. In this embodiment, the guide rail 11 is located on the support column 1, be the downward extension setting, slider 21 is located in the mounting hole, with guide rail 11 corresponds, slider 21 with guide rail 11 mutually supports, has guaranteed car 2's orbit, and prevent annular car 2 receives the magnetic influence to take place to rotate, makes the stationarity that car 2 moved.

Further, in order to realize that the first magnet 31 is subjected to overall upward magnetic force, in the present embodiment, an active space is formed between two adjacent first magnets 31, the second magnet 32 is located in the active space, and a repulsive first magnet 31b is defined below the second magnet 32, and an attractive first magnet 31a is defined above the second magnet 32, when the second magnet 32 moves in the active space, the magnetic pole of the repulsive first magnet 31b is the same as the opposite magnetic pole of the second magnet 32, the repulsive first magnet 31b repels the second magnet 32 to generate upward repulsive force, when the magnetic pole of the attractive first magnet 31a is opposite to the opposite magnetic pole of the second magnet 32, the attractive first magnet 31a and the second magnet 32 attract each other to generate upward attractive force, and the second magnet 32 is under the combined action of the attractive force and the repulsive force, make car 2 has ascending magnetic force, and when magnetic force was big enough, overcome car 2 self gravity, realized the rising of car.

In this embodiment, the first magnet 31 and/or the second magnet 32 are electromagnets. By controlling the current in the electromagnet coil, the increase of the magnetic force and the change of the magnetic pole are realized.

In this embodiment, the first magnet 31 is provided as an electromagnet, specifically, during the ascending of the car 2, the magnetic pole of the second magnet 32 remains unchanged, when the car 2 ascends from floor 1 to floor 2, the magnetic pole of the first magnet 31 located below the second magnet is the same as the opposite magnetic pole of the second magnet 32, and the magnetic pole of the first magnet 31a located above the second magnet 32 is opposite to the opposite magnetic pole of the second magnet 32; when the car 2 moves from floor 2 to floor 3, the position of the first magnet 31 originally located above the second magnet 32 changes, and is located below the second magnet 32, so that the magnetic pole of the first magnet 31 changes by changing the current direction, and the first magnet and the second magnet repel each other, and the electromagnetic force is always upward by changing the current direction of the first magnets 31. In this case, the magnetic pole of the second magnet 32 may be always kept constant, and the second magnet 32 may be an electromagnet or a permanent magnet.

In addition, when the second magnet 32 is an electromagnet, the magnetic pole direction of the first magnet 31 is always kept unchanged, and the operation of the car 2 can also be realized by changing the magnetic pole direction by changing the current direction of the second magnet 32 in the car 2, but because passengers are accommodated in the car 2, the change of the direction of the second magnet 32 may cause a significant stagnation during the operation, which causes a bad experience for the passengers, and the description thereof is omitted.

Specifically, in order to facilitate control of the change of the current direction of the electromagnet, the novel cordless elevator further comprises a circuit board assembly, and the circuit board assembly is electrically connected with the electromagnet. The convenient change of electric current size and electric current is realized through circuit connection, it needs to be said, every the electro-magnet needs independent control to guarantee every the electric current direction and the electric current size of electro-magnet are adjustable, specifically, set up a plurality of double-pole double-throw switches on the circuit board subassembly, through the switch-on change of circuit in order to change the electric current direction.

In order to monitor the position of the car 2, the novel ropeless elevator further comprises a position sensor arranged on the supporting column 1. Through position sensor obtains the positional information of car 2 to real time monitoring has been realized, not only is convenient for the regulation and control of electro-magnet electric current guarantees the security moreover.

Car 2 is when the floor that corresponds is berthhed, because passenger's business turn over, makes car 2's weight changes, needs to adjust at any time first magnet 31's magnetic force causes easily car 2 rocks, causes not good experience, for this reason, in this embodiment, novel cordless elevator still includes stop device, stop device includes the spacing groove and the spacing arch of mutually supporting, the spacing groove with spacing arch, one of them is located on the support column 1, another installation extremely car 2. In this embodiment, spacing arch has a plurality ofly, correspond the position of every floor set up in on the support column 1, the spacing groove is located 2 bottoms of car, work as 2 stops when corresponding the floor of car, spacing arch with the spacing groove lock makes 2 car for support column 1 is fixed, guarantees stability when 2 stops, and the mode of stopping is safer, the control of being convenient for through machinery.

When the car 2 descends, the magnetic force of the first magnet 31 can be reduced, so that the gravity of the car 2 is greater than the magnetic force provided by the magnetic drive device 3, the falling of the car 2 is realized, further, in order to safely and effectively limit the movement speed of the car 2 when the car falls, the novel cordless elevator further comprises a speed limiting device, the speed limiting device comprises a movable block movably mounted on the car along the vertical direction and a friction plate mounted to the movable block, and the friction plate is located between the car 2 and the support column 1; when 2 downstream of car, the movable block drives the friction disc with 1 friction butt of support column is used for restricting 2 decurrent functioning speed of car. When 2 functioning speed of car is too fast, can utilize the mode of physical friction, make fast effectively 2's functioning speed reaches reasonable functioning speed, has guaranteed 2 descending security of car.

In the technical solution of the present invention, the magnetic driving device 3 may not function during the descending process of the car 2, and the car 2 stably descends depending on the speed limiting device and the limiting device.

Further, when the movable block moves downwards, the movable block may collide with the wall surface of the car 2, and in this embodiment, a spring is provided between the movable block and the car 2. When the movable block moves downwards, the spring is compressed, and the effect of the spring force is avoided, when the movable block moves downwards, the movable block collides with the wall surface of the car 2, so that the movable block is worn or even loses efficacy, and the safety and the reliability are higher.

The novel cordless elevator realizes the running of the car 2 in an electromagnetic force driving mode, when the emergency such as power failure occurs, the car 2 is not influenced by magnetic force any more, and the safety of passengers is not ensured only by relying on the speed limiting device, therefore, the novel cordless elevator is also provided with an anti-falling buffer device which can be used for mechanical buffering; can also through set up the permanent magnet that prevents weighing down on the support column 1, can not lose magnetism because of cutting off the power supply suddenly, car 2 whereabouts in-process provides ascending repulsion, guarantees passenger's safety in the car 2.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.