阅读说明：本技术 一种螺旋自驱式电梯 (Spiral self-driving elevator ) 是由 刘立新 王红 王典强 张瑞军 丛东升 崔瀚文 于 2019-11-22 设计创作，主要内容包括：一种螺旋自驱式电梯,属于建筑空间交通装备领域。由井道、层门、轿厢、轿厢门、螺旋升降轨道、驱动装置、轿厢方向保持装置以及旋转架组成,轿厢为圆柱形与旋转架转动连接；螺旋升降轨道呈螺纹状固定安装在井道内壁上；驱动装置包括顶部、底部与中部驱动装置三组；轿厢方向保持装置由旋转电机、链轮Ⅰ、链轮Ⅱ、传动链条Ⅱ、角速度传感器与转盘组成；本发明取消了对重等设备,采用了圆柱形井道以及螺旋升降轨道,不仅节省了建筑面积,提高了建筑空间的利用率,同时也保证了电梯运行时的安全性和舒适性。(A spiral self-driving elevator belongs to the field of building space traffic equipment. The elevator car is cylindrical and is rotationally connected with the rotating frame; the spiral lifting track is fixedly arranged on the inner wall of the shaft in a thread shape; the driving devices comprise three groups of top, bottom and middle driving devices; the cage direction keeping device consists of a rotating motor, a chain wheel I, a chain wheel II, a transmission chain II, an angular velocity sensor and a turntable; the invention cancels the equipment such as counterweight and the like, adopts the cylindrical shaft and the spiral lifting track, not only saves the building area, improves the utilization rate of the building space, but also ensures the safety and the comfort during the operation of the elevator.)

1. The utility model provides a spiral self-driving formula elevator comprises well, layer door, car door, spiral lifting track, drive arrangement, car direction holding device and swivel mount, its characterized in that: the car is cylindrical and is rotationally connected with the rotating frame; the spiral lifting track is fixedly arranged on the shaft in a thread shape; the driving device comprises three groups of top, bottom and middle driving devices, the top and bottom driving devices are the same and comprise a driving motor I, a speed changing device I, a connecting shaft I and a driving gear I, the driving motor I is respectively arranged at the top and the bottom of the rotating frame, the speed changing device I is fixedly connected with the driving motor I, the driving gear I is fixedly connected with the speed changing device I through the connecting shaft I, the middle driving device comprises a driving motor II, a speed changing device II, a driving gear II, a connecting shaft II, a driving chain wheel I, a driving chain wheel II and a driving chain I, the driving motor II is arranged at the bottom of the rotating frame, the speed changing device II is fixedly connected with the driving motor II, the driving chain wheel I is fixedly connected with the speed changing device II, the driving gear II is arranged at the middle part of the rotating frame through a bracket, and the driving chain wheel II is fixedly connected, the transmission chain wheel I and the transmission chain wheel II are connected through a transmission chain I; car direction holding device comprises rotating electrical machines, sprocket I, sprocket II, drive chain II, angular velocity sensor and carousel, the rotating electrical machines is installed in the swivel mount bottom, sprocket II and the coaxial fixed connection of rotating electrical machines, sprocket I passes through drive chain II with sprocket II and is connected, sprocket I and car fixed connection, angular velocity sensor installs in the car bottom, the carousel is as car and the relative pivoted intermediate medium of swivel mount.

2. The spiral self-driven elevator as claimed in claim 1, wherein the spiral lifting rail is fixed to the outside of the hoistway wall and includes an anti-derailment device and a spiral rack, the anti-derailment device includes an Contraband-shaped anti-derailment rail, an upper derailment rail and a lower derailment rail, the left side of the Contraband-shaped anti-derailment rail is fixed to the inside wall of the hoistway, and the upper derailment rail and the lower derailment rail are respectively fixed to the upper and lower positions of the side of the Contraband-shaped anti-derailment opening.

3. The spiral self-driven elevator as claimed in claim 1, wherein the spiral lifting rail is embedded in the hoistway, and comprises an anti-derailment device and a spiral rack, the anti-derailment device comprises an upper rail and a lower rail, and the upper rail and the lower rail are respectively fixed at upper and lower positions of the opening side of the inner wall of the hoistway.

4. A spiral self-driving elevator as claimed in claim 1, 2 or 3, wherein the teeth of the spiral rack and the driving gear are of herringbone structure.

5. The spiral self-driving elevator as claimed in claim 1, wherein the top, bottom and middle three sets of driving devices are connected in a top view position to form an equilateral triangle.

6. The spiral self-driven elevator as claimed in claim 1, wherein the car door is a curved door, and the whole car is a complete cylinder structure after being closed.

7. The spiral self-driven elevator as claimed in claim 1, wherein the turntable is composed of a turntable frame and a tapered roller, the tapered roller is rotatably connected with the turntable frame through a rotating shaft on the turntable frame, and the turntable is coaxially installed with the car and the rotating frame.

8. The spiral self-driving type elevator as claimed in claim 1, wherein the driving means is provided with a safety catch means in the form of a cylinder-shaped structure fitted around the outside of the connecting shaft and fixed to the rotating frame.

Technical Field

The invention relates to a spiral self-driving elevator, in particular to an elevator which drives an elevator to run by utilizing a spiral rack and a driving gear, and belongs to the field of building space traffic equipment.

Background

With the development of modern society, the height of buildings is continuously increased, more and more high-rise and super high-rise buildings are arranged around people, and passengers spend longer and longer waiting for elevators. In order to evacuate passenger flow, more and more elevators must be installed in a high-rise building, a large number of hoistways occupy the urban space which is small in earth and gold in size, and a single-hoistway elevator is just like a train which can only run on one track, although the situation is not imaginable in ground traffic, the situation of elevators in the building is the situation, and great resource waste is caused. Moreover, as the number of floors increases, the required wire ropes become thicker and thicker, and the weight thereof becomes more and more striking, and the requirements of heavy ropes, a car, a counterweight and the like on a traction machine become higher and higher, so that the development of the ropeless elevator is a trend of the development of the elevator.

Disclosure of Invention

Aiming at the defects, the invention provides a spiral self-driving elevator.

The invention is realized by the following technical scheme: a spiral self-driving elevator is composed of a hoistway, landing doors, a car door, a spiral lifting track, a driving device, a car direction retaining device and a rotating frame, wherein the car is cylindrical and is rotationally connected with the rotating frame; the car door is a curved surface door, and the whole car is in a complete cylindrical structure after being closed; the spiral lifting track is fixedly arranged on the shaft in a thread shape; the driving device comprises a top driving device, a bottom driving device and a middle driving device, the top driving device is the same as the bottom driving device and comprises a driving motor I, a speed changing device I, a connecting shaft I and a driving gear I, the driving motor I is respectively arranged at the top and the bottom of the rotating frame, the speed changing device I is fixedly connected with the driving motor I, the driving gear is fixedly connected with the speed changing device I through the connecting shaft I, the middle driving device comprises a driving motor II, a speed changing device II, a driving gear II, a connecting shaft II, a transmission chain wheel I, a transmission chain wheel II and a transmission chain I, the driving motor II is arranged at the bottom of the rotating frame, the speed changing device II is fixedly connected with the driving motor II, the transmission chain wheel I is fixedly connected with the speed changing device II, the driving gear II is arranged at the middle part of the rotating frame through a bracket, and the, the transmission chain wheel I and the transmission chain wheel II are connected through a transmission chain I; car direction holding device comprises rotating electrical machines, sprocket I, sprocket II, drive chain II, angular velocity sensor and carousel, rotating electrical machines installs on the swivel mount, sprocket II and the coaxial fixed connection of rotating electrical machines, sprocket I passes through drive chain II with sprocket II and is connected, sprocket I and car fixed connection, angular velocity sensor installs in the car bottom for detect the relative ground's of car circumference position, ensure that the relative ground of car can not rotate, guarantee the travelling comfort that the passenger took the elevator, the carousel guarantees car moving security and stationarity as car and the relative pivoted intermediate medium of swivel mount.

Spiral lift track be fixed in the well wall outside, including anticreep rail device and spiral rack, the anticreep rail device includes "Contraband" shape anticreep rail, goes up fender rail and fender rail down, "Contraband" shape anticreep rail left surface be fixed in the well inner wall, last fender rail and fender rail down be fixed in "Contraband" shape anticreep rail opening side upper and lower position respectively for retraining the axial motion of gear, prevent that the during operation gear from breaking away from the track, cause accident's emergence.

Spiral lifting track embedded in the well, including anticreep rail device and spiral rack, anticreep rail device includes fender rail and lower fender rail, go up fender rail and keep off the rail and be fixed in well inner wall opening side upper and lower position respectively down.

The teeth of the spiral rack and the driving gear are of a herringbone structure, so that the generation of axial force during movement is avoided, the bearing capacity is high, the spiral rack and the driving gear are meshed for transmission to realize the lifting action of the elevator, the stable lifting of the elevator is ensured, and the noise is low.

The top, bottom and middle three groups of driving devices are connected in the position of an equilateral triangle, so that enough power is ensured for the operation of the elevator, and the driving force is balanced to stabilize the structure of the whole elevator.

The carousel constitute by carousel frame and tapered roller, tapered roller passes through the pivot on the carousel frame and is connected with the carousel frame rotation, the carousel with car and swivel mount coaxial arrangement guarantee that car and swivel mount rotate steadily relatively, reduced frictional force between the two greatly, stable in structure, the good reliability.

The driving device is provided with a safety anti-falling device which is in a ring-tube structure and sleeved outside the connecting shaft and fixed on the rotating frame, so that the car is prevented from falling when the connecting shaft is broken, and the safe operation of the elevator is realized.

Compared with the prior art, the invention has the beneficial effects that:

1) the invention adopts the driving of the spiral rack and the gear, ensures the safety of the elevator operation, and ensures that the elevator car does not suddenly and rapidly fall down due to the unexpected disappearance of power or other conditions.

2) The invention cancels the equipment such as the counterweight and the like, reduces the occupied space of the shaft, further saves the building area and improves the utilization rate of the building space.

3) The invention has three groups of driving devices, provides sufficient power for the operation of the elevator, and has small overall size and weight, large bearing capacity and convenient use.

Drawings

Fig. 1 is a schematic structural view of an elevator operation part of the present invention, fig. 2 is a structural view of an entire hoistway and a spiral lifting track in embodiment 1 of the present invention, fig. 3 is a partial sectional view of the hoistway and the spiral lifting track in embodiment 1 of the present invention, fig. 4 is a structural view of an entire hoistway and a spiral lifting track in embodiment 2 of the present invention, fig. 5 is a partial sectional view of the hoistway and the spiral lifting track in embodiment 2 of the present invention, fig. 6 is a top view in the hoistway, and fig. 7 is a structural view of a turntable.

In the figure, 1, a hoistway, 2, a landing door, 3, a car, 4, a car door, 5, a spiral lifting track, 51, an anti-derailment device, 511, Contraband-shaped anti-derailment, 512, an upper rail, 513, a lower rail, 52, a spiral rack, 6, a driving device, 601, a bracket, 602, a driving motor I, 603, a speed changing device I, 604, a connecting shaft I,605, a driving gear I, 606, a driving motor II, 607, a speed changing device II, 608, a driving gear II, 609, a connecting shaft II, 610, a transmission chain wheel I, 611, a transmission chain wheel II, 612, a transmission chain I, 7, a car direction holding device, 71, a rotating motor, 72, a chain wheel I, 73, a chain wheel II, 74, a transmission chain II, 75, an angle sensor, 76, a turntable, 761, a turntable rack, 762, a conical roller, 8, a rotating rack, 9 and a safety device.

Detailed Description

As shown in fig. 1 to 7, a spiral self-driving elevator comprises a hoistway 1, landing doors 2, a car 3, a car door 4, a spiral lifting track 5, a driving device 6, a car direction retaining device 7 and a rotating frame 8, wherein the car 3 is cylindrical and is rotatably connected with the rotating frame 8; the car door 4 is a curved surface door, and the whole car 3 is in a complete cylindrical structure after being closed; the spiral lifting track 5 comprises an anti-derailing device 51 and a spiral rack 52, and is fixedly installed on the hoistway 1 in a thread shape, if the power of the elevator suddenly disappears or other faults occur, the elevator car 3 cannot drop rapidly, and the running safety of the elevator is guaranteed; the driving device 6 comprises three groups of top, bottom and middle driving devices, sufficient power can bear larger weight, wherein the top and bottom driving devices are the same and comprise a driving motor I602, a speed changing device I603, a connecting shaft I604 and a driving gear I605, the driving motor I602 is respectively arranged at the top and the bottom of the rotating frame 8, the speed changing device I603 is fixedly connected with the driving motor I602, the driving gear I605 is fixedly connected with the speed changing device I603 through a connecting shaft I604 and is matched with the spiral rack 52 to realize the lifting action of the elevator, the teeth of the spiral rack 52 and the three groups of driving gears are in a herringbone structure, the generation of axial force during movement is avoided, the bearing capacity is large, the stable lifting and the noise of the elevator are ensured to be small, the middle driving device comprises a driving motor II606, a speed changing device II607, a driving gear II608, a connecting shaft II609, a driving chain wheel I610, a driving chain wheel II611, the driving motor II606 is installed at the bottom of the rotating frame 8, the speed changing device II607 is fixedly connected with the driving motor II606, the transmission chain wheel I610 is fixedly connected with the speed changing device II607, the driving gear II608 is arranged in the middle of the rotating frame 8 through a bracket 601, the transmission chain wheel II611 is fixedly connected with the driving gear II608 through a connecting shaft II609, and the transmission chain wheel I610 and the transmission chain wheel II611 are connected through a transmission chain I612; car direction holding device 7 comprises rotating electrical machines 71, sprocket I72, sprocket II73, drive chain II74, angular velocity sensor 75 and carousel 76, rotating electrical machines 71 is installed in the 8 bottoms of swivel mount, sprocket II73 and the coaxial fixed connection of rotating electrical machines 71, sprocket I72 is connected through drive chain II74 with sprocket II73, sprocket I72 and car 3 fixed connection, angular velocity sensor 75 installs in the car 3 bottom for detect the relative ground's of car 3 circumferential position, ensure that the relative ground of car can not rotate, carousel 76 with car 3 and swivel mount 8 coaxial arrangement, carousel 76 guarantees the stationarity of car 3 motion as car 3 and the relative pivoted intermediate medium of swivel mount 8. The driving device is provided with a safety anti-falling device 9, the safety anti-falling device 9 is of a ring-cylinder structure and is sleeved on the outer side of the connecting shaft and fixed on the rotating frame 8, the connecting shaft is prevented from being broken in the elevator running process, and the elevator is safely run.

As shown in fig. 2 and 3, the spiral lifting track 5 according to embodiment 1 of the present invention is fixed to the outer side of the shaft wall, and includes an anti-derailing device 51 and a spiral rack 52, where the anti-derailing device 51 includes an "Contraband" shaped anti-derailing 511, an upper derailing 512 and a lower derailing 513, the left side of the "Contraband" shaped anti-derailing 511 is fixed to the inner wall of the shaft 1, and the upper derailing 512 and the lower derailing 513 are respectively fixed to the upper and lower positions on the opening side of the "Contraband" shaped anti-derailing 511 for restraining the axial movement of the gear, and preventing the gear from being disengaged from the track during operation, which may cause an accident.

As shown in fig. 4 and 5, in embodiment 2 of the present invention, the spiral lifting rail 5 is embedded in the hoistway 1, and includes an anti-derailing device 51 and a spiral rack 52, the anti-derailing device 51 includes an upper rail 512 and a lower rail 513, and the upper rail 512 and the lower rail 513 are respectively fixed at upper and lower positions on an opening side of an inner wall of the hoistway 1.

As shown in fig. 6, the top, bottom and middle three sets of driving devices are connected in the form of an equilateral triangle in the top view, so that sufficient power is ensured for the operation of the elevator, and the driving force is balanced to stabilize the whole elevator structure.

As shown in fig. 7, the turntable 76 is composed of a turntable frame 761 and a tapered roller 762, the tapered roller 762 has three rings, and the rotating shaft on the turntable frame 761 is rotatably connected with the turntable frame 761, so that the car 3 and the rotating frame 8 can rotate relatively stably, the friction force between the car 3 and the rotating frame 8 is greatly reduced, and the structure is stable and the reliability is high.

The working process is as follows: when the elevator ascends, the three driving motors are simultaneously electrified, power is transmitted to the driving gear through the speed changing device, the driving gear drives the rotating frame 8 to do rotating ascending action along the spiral lifting track 5, the car 3 is driven to move, the angular velocity sensor 75 detects the rotating angular velocity of the car 3 at the moment, the motor 71 is controlled to operate according to detected data, the car 3 rotates simultaneously, the car 3 and the ground are kept not to rotate, and when the car 3 rotates relative to the rotating frame 8, the rotary disc 76 can reduce the resistance between the car 3 and the rotating frame 8. When the passenger needs to get in and out of the elevator, the access button is pressed, the driving device 6 and the car direction retaining device 7 stop working, the safety of the stop of the elevator is guaranteed, after the elevator stops stably, the car door 4 is opened, the passenger normally accesses and leaves, after the passenger finishes the access, the car door 4 is closed, and the whole car 3 becomes a cylinder and passes up and down in the hoistway 1. The descending and ascending of the elevator are the same, and the description is omitted.

It will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in the embodiments described above without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims.