CN102408053A - Multi-layer elevator - Google Patents

Abstract

A multi-level elevator comprising: at least one outer elevator frame; at least three inner lifters slidably mounted in the outer lifter frame up and down; the oil cylinder device is arranged on each inner elevator frame and used for driving the inner elevator frames to ensure that the inner elevator cars are aligned with the corresponding floor platforms; and a first sub-aligner disposed on the outer elevator frame and the elevator hoistway side wall and a plurality of second sub-aligners disposed on each of the inner elevator and the elevator hoistway left wall. The multi-layer son-mother box structure can be provided with the inner elevators from 3 layers to 20 layers, can serve passengers on multiple layers simultaneously, and greatly saves the place and time.

Description

multi-storey lift

technical field

The invention relates to a lift, in particular to a multi-storey lift for high-rise buildings.

Background technique

Most of the traditional elevators used in buildings are single-story single-car elevators, which can only serve passengers on a single floor at the same time. For high-rise buildings, it is often necessary to install multiple elevators, or set up low-level, Middle-level and high-level elevators, in this way, occupy a large area and take a long time to lift, resulting in high equipment costs. In some current double-deck elevator equipment, the upper and lower elevator boxes are often fixed together and the positions between them cannot be changed, so that steps will appear between the elevator box and the floor platform when the elevator stops. In some double-deck elevator equipment, although a device or an electrical control system to adjust the distance between the two elevator boxes is installed, due to the complexity of the equipment, high cost, and the inability of the elevator cars to stop accurately at the same time, the double-deck elevator equipment The effect is not big, especially in the elevator of more floors, above-mentioned defect is more obvious.

Contents of the invention

The main purpose of the present invention is to overcome the above disadvantages and provide a multi-storey elevator with at least three floors, which has a simple structure and low cost. place and time.

According to the present invention, a multi-storey elevator is provided, which includes: at least one outer elevator frame, which is suspended by cables and driven by a driving mechanism, can be positioned and raised and lowered along the elevator rail in the elevator groove, each outer elevator frame constitutes a Rigid body with at least three layers of space up and down; at least three layers of inner lifts, which are respectively installed in the space of one or more outer lift frames along the up and down, and each layer of inner lifts includes one on both sides that can be slid up and down. The inner elevator frame on the outer elevator frame, the inner elevator car frame fixedly connected with the inner elevator frame, and the inner elevator car; two oil cylinder devices arranged on each inner elevator frame are used to drive the inner elevator frame, so that The inner elevator car is aligned with the corresponding floor platform; and the first aligner is arranged on the side wall of each outer elevator frame and elevator slot and the first alignment device is arranged on the side wall of each inner elevator and elevator slot. A plurality of second alignment devices, the first alignment device selectively triggers and sends a signal to a control device, so that the control device instructs the drive mechanism to stop rotating and the outer elevator frame stops lifting, and the plurality of second alignment devices The alignment device selectively triggers and sends a signal to the control device, so that the control device starts the expansion and contraction of the oil cylinder device of each inner elevator at the same time, so that the inner elevator car of each floor is connected to the corresponding car at the same time. floor alignment.

In the multistory lift described above, each outer lift frame consists of four vertical columns, four side beams on the left and right sides, four rear beams on the rear side, and four front beams on the front side, which fix Connected to form a rigid body, the adjacent side beams on the left and right sides, the adjacent rear beams on the rear side, and the adjacent front beams on the front side, the distance between them The height of the constituted spaces corresponds to the height of the building floors.

In the above-mentioned multi-storey lift, the vertical columns, side beams and rear beams of the outer lift frame are made of shaped steel, the front beam is made of angle steel, and the corners of the angle steel are located on the upper horizontal plane of the angle steel and face to the front side, wherein the shaped steel can be thick 9.5mm wide and 127mm square steel, the angle steel can be 9.5mm thick and 127mm wide.

In the above-mentioned multi-storey elevator, the rails include one rail on the left wall and one right wall of the elevator trough and two rails on the rear wall.

In the above-mentioned multi-storey elevator, sliding shoes are provided at the joints of the side beams and the rear beams of the outer elevator and the rails, which are used to position and lift the frame of the outer elevator along the rails. The elevator kills the car system.

In the above-mentioned multi-story elevator, each inner elevator frame includes a side top beam and a side bottom beam that are supported between the front vertical column and the rear vertical column of the outer elevator frame and can slide up and down along the vertical column; the oil cylinder device is fixedly connected to the The position between the side top beam and the side bottom beam near the two ends of the side top beam and the side bottom beam is used to adjust the distance between the side top beam and the side bottom beam for the alignment of the inner elevator; the inner elevator car frame and The side sills are fixedly connected to and surround the inner elevator car.

In the above-mentioned multi-storey elevator, the side roof beam is suspended on the side beam above the corresponding layer of the outer elevator frame by a plurality of extension springs, and the upper surface of the side beam below the layer is provided with a plurality of compression springs for supporting Hold the side sills to cushion the inner elevator car.

In the above-mentioned multi-storey elevator, the lowermost two adjacent side beams located on the left and right sides of each outer elevator frame, the lowermost two adjacent rear beams located on the rear side, and the lowermost two adjacent rear beams located on the front side The lowermost two adjacent front cross beams, the space on the lowermost floor of the outer elevator frame formed between them is higher than the space on other floors, corresponding to the height of the ground floor of the building; The oil cylinder device on the inner elevator in this floor space adopts a double-stroke oil cylinder device, which has two strokes. The first stroke is used for the inner elevator to work on other floors other than the ground floor of the building; the second stroke For use when internal lifts are operating at ground floor locations in buildings.

In the above-mentioned multi-storey elevator, the side top beam and the side bottom beam are made of shaped steel, and the shaped steel can be a square steel with a thickness of 9.5mm and a width of 127mm.

In the above-mentioned multi-storey elevator, an elevator door is provided in front of the inner elevator car, and an escape room is separated from the side of the elevator car, and a safety door is provided therebetween, and the elevator door adopts a three-door structure.

In the above-mentioned multi-storey elevator, escape exits are provided on the floor and ceiling of the escape room, and escape ladders are inserted up and down in the escape exits, extending from the elevator car on the lower floor to the elevator car on the top floor, and the escape exit is covered with a cover plate .

In the above-mentioned multi-storey elevator, the escape room of the elevator car in each floor is provided with its own motor and hydraulic system, which are used to start the expansion and contraction of the oil cylinder device when receiving the signal from the second aligner, so that the The inner elevator car alignment of the floor.

In the above-mentioned multi-storey elevator, the first aligner and the second aligner may be photoelectric sensors, and the first aligner has an infrared sensor installed on the left vertical column of each outer lift frame The receiving unit and multiple infrared emitting units installed on the corresponding floor positions on the left wall of the elevator slot; the second alignment device has an infrared receiving unit installed on the right bottom beam of each inner elevator and installed on the A plurality of infrared emitting units on the corresponding floor position of the right wall of the groove.

In the above-mentioned multi-storey elevator, the first aligner and the second aligner may be travel switches.

In the above-mentioned multi-storey elevator, the multi-storey elevator can include three to twenty inner elevators, and the multi-storey elevator has two or more outer elevator frames, wherein the uppermost side beam and the rear of the lower outer elevator frame The crossbeam is connected with the lowermost side crossbeam and the rear crossbeam of the upper outer elevator frame by a plurality of connectors, so that the vertical columns of the lower outer elevator frame and the upper vertical columns of the outer elevator frame are in contact with each other, wherein the lower The distance between the uppermost side beam and rear beam of the outer lift frame and the lowermost side beam and rear beam of the upper outer lift frame is 300mm.

In the above-mentioned multi-storey elevator, the connectors may include iron chains, steel wires or cables; the connectors may be provided with three left connectors, three right connectors and three rear connectors.

Adopt the multi-storey elevator of the present invention, set the mother-child elevator structure of the inner elevator in the outer layer elevator, can realize the multi-storey elevator from three to fifteen floors, can serve the passengers who board or leave the ladder on three floors at the same time. The lift has a large capacity, which can save a lot of place and time. The actual number of floors of the multi-storey lift of the present invention can be determined according to the user's requirements for use and the specific circumstances of the total number of floors of the building.

Description of drawings

The basic structure of the embodiment of the multi-storey elevator of the present invention is illustrated below with reference to the accompanying drawings, wherein:

Fig. 1 is the schematic diagram showing that the first embodiment of the multi-storey elevator of the present invention is applied to the basic structure of a high-rise building;

Fig. 2 is the schematic view of the front structure of the multi-storey elevator shown in Fig. 1;

Fig. 3 is the perspective view of the outer elevator frame of the first embodiment of the multi-storey elevator of the present invention;

4A is a left side view showing the connection structure between the outer elevator frame and the inner elevator of the first embodiment of the multi-storey elevator of the present invention;

Fig. 4B is a partially enlarged cross-sectional view of part 4B in Fig. 4A;

Fig. 5 is a sectional view along the V-V line in Fig. 2, showing the structural representation of the inner elevator car of the multi-storey elevator of the present invention;

Fig. 6 is a schematic diagram of the arrangement of the first alignment device on the outer elevator frame and the second alignment device on the inner elevator of the first embodiment of the multi-story elevator of the present invention, showing the outer elevator frame when the multi-story elevator is running and the operation of the lifts in it to stop at the platforms of each floor of the building;

Fig. 7 is a schematic diagram showing the basic structure of the second embodiment of the multi-storey elevator of the present invention applied to a high-rise building;

Fig. 8 is a schematic diagram of the front structure when the multi-storey elevator shown in Fig. 7 stops at the ground floor of the building;

Fig. 9 is a schematic view of the front structure of the multi-storey elevator shown in Fig. 7 when it is operating on floors above the ground floor of the building;

Fig. 10 is the perspective view of the outer elevator frame of the second embodiment of the multi-storey elevator of the present invention;

11 is a left side view showing the connection structure of the outer elevator frame and the inner elevator of the second embodiment of the multi-storey elevator of the present invention; and

Fig. 12 is a schematic diagram of the layout of the first alignment device on the outer elevator frame and the second alignment device on the inner elevator of the second embodiment of the multi-storey elevator of the present invention, showing the outer elevator frame when the multi-story elevator is running And the operation of the elevators in it to stop at the platforms of each floor of the building.

Detailed ways

The multi-storey elevator of the present invention may include at least three-story elevators, for example, it may be a multi-story elevator with three to fifteen floors. For the sake of clarity, a three-story elevator is described below by way of example with reference to the accompanying drawings as an embodiment of the multi-storey elevator of the present invention, and it is assumed that it operates in a building with eighteen floors. It should be understood that the present invention is not limited thereto, and the actual number of floors of the multi-storey elevator of the present invention can be determined according to the requirements of the user and the specific conditions of the total number of floors of the building.

1-6 show a first embodiment of the multi-storey elevator of the present invention. As shown in Figures 1-3, the multi-storey elevator 1 of the present invention includes an outer elevator (also known as a mother elevator) frame 2, and three layers of inner elevators (also called a sub Lift) 3. The outer elevator frame 2 is hung with cables 4, and can be lifted and lowered along the rail 6 in the elevator groove 5 by driving machinery (not shown in the figure). When the multi-storey elevator 1 is in the initial position of the ground floor of the building, the inner elevators 3 (from bottom to top are the elevator cars in the A floor, B floor, and C floor respectively) stop at the platforms of the building floors L1, L2, and L3 respectively. It can serve passengers on or off the ladder on three floors at the same time. The multi-storey elevator 1 goes up, and each stop can go up three floors. After five stops, the elevator cars on the A, B, and C floors of the inner elevator 3 can reach and stop on the platforms of floors L16, L17, and L18 respectively. (Please refer to Figure 6).

Fig. 3 shows outer elevator frame 2, and it can rise and fall along each rail 6 of left side wall and right side wall (not shown in the figure) that is positioned at elevator groove 5 and two rails 6 that are positioned at rear wall (not shown in the figure). The outer lift frame 2 includes four vertical columns 11, four side beams 12 each on the left and right sides, four rear beams 13 on the rear side, and four front beams 14 on the front side. They are fixedly connected to form a rigid body, which can form three layers of space up and down, and are used to install elevators 3 in each layer respectively. The adjacent side beams 12 on the left and right sides, the adjacent rear beams 13 on the rear side, and the adjacent front beams 14 on the front side, the space formed between them The height corresponds approximately to the height of the building floors. The vertical columns 11, the side beams 12 and the rear beams 13 can be made of section steel, such as square steel with a thickness of 9.5 mm (3/8 inch) and a width of 127 mm (5 inches). The front beam 14 can be made of section steel, such as angle steel with a thickness of 9.5mm (3/8 inch) and a width of 127mm (5 inches). Sliding shoes 16 are provided at the joints of the side crossbeam 12 and the rear crossbeam 13 of the outer elevator frame 2 and the rail 6, so that the outer elevator frame 2 can be positioned and lifted along the rail 6. Can be equipped with elevator brake pad (not shown) at the junction of slide shoe 16 and rail 6.

Fig. 4A shows the left side view of the connecting structure of the outer elevator frame 2 and the inner elevator 3 of the multi-storey elevator 1 of the present invention, and the right side view is the same as the left side view. Each layer of inner elevator 3 includes an inner elevator frame 20 that can slide up and down on the outer elevator frame 2 and is located on both sides. The side top beam 21 and side bottom beam 22 that vertical column 11 slides up and down, side top beam 21 and side bottom beam 22 can be made of section steel, such as thick 9.5mm (3/8 inch) wide 127mm (5 inch) square steel. Between the side top beam 21 and the side bottom beam 22, at the two ends of the side top beam 21 and the side bottom beam 22, each is connected with an oil cylinder device 24, which is used to adjust the position between the side top beam 21 and the side bottom beam 22. distance, so that the alignment of the inner elevator 3. The inner elevator car frame 26 is fixedly connected to the side sills 22 and surrounds the inner elevator car 28 . The side roof beam 21 is suspended on the side beam 12 above the corresponding layer of the outer elevator frame 2 by, for example, three tension springs 30, and the upper surface of the side beam 12 below the layer is provided with a compression spring 31 for supporting the side bottom. The beam 22 acts as a cushion against the inner elevator car 28 . FIG. 4B shows that the ends of the side top beam 21 and the side bottom beam 22 are provided with sliding shoes 32 for positioning and sliding along the vertical column 11 .

2 and 5 show a schematic structural view of the inner elevator car 28 of the multistory elevator 1 . The front of interior elevator car 28 is provided with elevator door 34, can adopt 3 leaf door formula structures, convenient for passengers to pass in and out quickly. An escape room 35 is separated from the side of the elevator car 28, and a safety door 36 is provided therebetween. An escape exit 37 is provided on the floor and ceiling of the escape room 35, and an escape ladder 38 is inserted up and down through the escape exit 37, extending from the elevator car 28 of the lower floor A to the elevator car 28 of the top floor C. In the event of a failure, passengers can climb upwards out of the elevator car 28 via the escape ladder 38 . At ordinary times, the escape exit 39 can be covered with a cover plate 39 . The escape room 35 of the elevator car 28 in each floor is provided with its own motor and hydraulic system (not shown in the figure), which is used to start when receiving the signal sent by the second aligner 42 (see Figure 6). The cylinder assembly 24 is retracted to align the inner elevator car 28 of the floor, that is, to align the floor surface of the inner elevator car 28 with the corresponding landing surface.

Fig. 6 shows the first time alignment device 41 that is located on the outer elevator frame 2 and the left wall 46 of the elevator groove and the second time alignment device 43 that is located on the inner elevator 3 and the right wall 47 of the elevator groove. During the operation of the floor elevator 1, the elevator 3 stops at the platform of each floor of the building respectively. Alignment device can adopt photoelectric sensor, for example, for the first time, alignment device 41 can include an infrared receiving unit 411 installed on the left side vertical column 11 of each outer elevator frame 2 and be installed on the left side of elevator groove 5. A plurality of infrared emitting units 412 on the corresponding floors (such as L2, L5, ...) of the wall 46, when the receiving unit 411 receives the infrared beam emitted by the emitting unit 412, the aligner 41 selectively triggers for the first time and Send a signal to a control device (not shown in the figure), so that the control device instructs the driving machine (not shown in the figure) to stop rotating so that the outer elevator frame 2 stops lifting. Similarly, the second time alignment device 43 can include an infrared receiving unit 431 installed on the bottom beam 22 on the right side of the elevator 3 in each floor and an infrared receiving unit 431 installed on the corresponding floor (such as L1, L1, L2, L3, ...) a plurality of infrared emitting units 432 on the position, when each infrared receiving unit 431 receives the infrared beam emitted by each corresponding infrared emitting unit 432 that is paired with it, a plurality of second aligners 43 respectively selectively trigger and signal the control device so that the control device

Start the expansion and contraction of the oil cylinder device 24 on each interior elevator 3 at the same time, so that the interior elevator car 28 of each floor is aligned with the corresponding floor at the same time. Those skilled in the art can understand that the above-mentioned alignment device can also be a travel switch, or other forms of mechanical sensors, and the installation position and arrangement relationship of the alignment device can also be changed without affecting the implementation of the present invention.

The embodiment of the 3-story elevator of the present invention has been described above. When the multi-storey elevator 1 includes more than three layers of inner elevators 3, such as three-twenty layers of inner elevators 3, the multi-layer elevator 1 of the present invention can be provided with two or more than two outer elevator frames 2, as shown in Figure 4A As shown, the uppermost side crossbeam 12 and the rear crossbeam 13 of the outer elevator frame 2 below and the lowermost side crossbeam 12 and the rear crossbeam 13 of the outer elevator frame 2 above are respectively used with 3 connectors 51, such as iron chains , steel wires or cables, etc., so that the vertical column 11 of the outer elevator frame 2A below and the vertical column 11 of the outer elevator frame 2 above abut against each other, the uppermost side beam 12 and the rear beam of the outer elevator frame 2 below The distance between 13 and the lowermost side beam 12 and rear beam 13 of the outer elevator frame 2 above is about 300 mm (1 foot).

As shown in Fig. 6, the multi-storey elevator of the present invention comprises elevator car 28 in 3 floors of A floor, B floor, C floor, assumes that it runs in the building with 18 floors, stops at building floor respectively when initial The platforms of L1, L2, and L3 can serve passengers on or off the stairs on three floors at the same time. When the multi-storey elevator 1 is going up, it can go up three floors each time it stops, and after five stops, the car floors of the elevators on the A, B, and C floors of the inner elevator 3 can reach and stop on the floors L16, L17, and L18 respectively. deck surface. This greatly reduces the number of stops of the elevator, thereby greatly reducing the running time of the elevator. In the mother-child compartment structure of the present invention, the inner lifts are all from three floors to twenty floors, which is convenient for people and saves space and time.

The second embodiment of the multi-storey elevator of the present invention will be described below with reference to FIGS. 7-12. In some buildings, such as mansions or commercial buildings, the floor height of the ground lobby is much higher than the rest of the upper floors. In response to this situation, the present invention modifies the height of the lowermost space of the lower outer elevator frame and its connection structure with the inner elevator in the first embodiment described above. In the second embodiment of the present invention, for the components corresponding to those in the first embodiment, the endnote "a" is added after the reference numerals to represent them, and the same components are represented by the same reference numerals , and omit its detailed description.

Likewise, a three-story elevator is described below by way of example as a second embodiment of the multistory elevator according to the invention, and it is assumed that it operates in a building with 18 floors. As shown in Fig. 7, the height of the floor L1a of the ground lobby of the building is much higher than the other floors L2, L3, ... L18 of the upper floors.

7-10 shows that the second embodiment of the multi-storey elevator 1a of the present invention includes an outer elevator frame 2a, and three layers of inner elevators 3a, 3, 3 that are respectively installed in the outer elevator frame 2a from bottom to top and can slide up and down. When the multi-storey elevator 1a is located at the initial position of the ground floor of the building, the inner elevators 3a, 3, and 3 of the elevator cars in the Aa floor, B floor, and C floor from bottom to top stop at the building floors L1a, L2, and L3 respectively. platform surface. What is different from that in Embodiment 1 is that the space of the lowermost layer formed by the outer elevator frame 2a is higher than the spaces of other floors, as shown in Figures 7 and 8, at this moment, the interior elevator 3a is at the bottom of the outer elevator frame 2a. In the space of the lower floor, it is moved down by the effect of the oil cylinder device 24B (described below), so that the Aa inner elevator car floor of the inner elevator 3a is in alignment with the floor L1a. When the multi-storey elevator 1a starts to rise away from the initial position of the ground floor, the inner elevator 3a also starts to move up in the layer space of the outer elevator frame 2a through the action of the oil cylinder device 24B (described below), so as to reach the outer elevator frame 2a The same is true for the interior elevators 3 in the spaces of other floors, so that the interior elevator car of the Aa floor of the interior elevator 3a is then aligned with other corresponding floors L4, L7...L16 (see Figure 12).

Figure 10 shows an outer lift frame 2a comprising four vertical columns 11a, four side beams 12 each on the left and right sides, four rear beams 13 on the rear side, and four front beams 14 on the front side. The difference from the outer elevator frame 2 in Embodiment 1 is that the four vertical columns 11a are longer, the two lowermost adjacent side beams 12 located on the left and right sides, and the lowermost two adjacent side beams 12 located on the rear side. The distance between the adjacent rear beams 13 and the two lowermost adjacent front beams 14 on the front side should roughly correspond to the height of the ground floor L1a of the building. That is to say, the space of the lowermost floor of the outer elevator frame 2a is higher than the spaces of other floors, so as to adapt to the installation of the inner elevator 3a of the lowermost floor.

Fig. 11 shows the left side view of the connection structure of the outer elevator frame 2a and the inner elevator 3a according to the second embodiment of the present invention, and the right side view is the same as the left side view. Different from the inner lifter 3 in Embodiment 1, the oil cylinder device 24B connected to the inner lifter 3a has a larger stroke, usually a double-stroke oil cylinder device, which has two strokes, and the first stroke is used for the inner lift. The elevator 3a works during operation at other floor positions other than the ground floor L1a of the building; the second stroke is used for the inner elevator 3a to work at the ground floor location L1a of the building. The structure of the inner elevator car 28 of the multistory elevator 1a of the second embodiment of the present invention is the same as that of the first embodiment.

Fig. 12 shows the first time alignment device 41 that is located on the outer elevator frame 2a and the left wall 46 of the elevator groove and the second time alignment device 43 that is located on the inner elevator 3 and the right wall 47 of the elevator groove. During the operation of the floor elevator 1a, the elevators 3a, 3, and 3 respectively stop at the platform of each floor of the building. The infrared receiving unit 411 and the infrared emitting unit 412 of the alignment device 41 for the first time can be respectively installed on the left side vertical column 11a of each outer lift frame 2a and the corresponding floors (such as L2, L5) of the left wall 46 of the lift slot 5 ,...) position. Similarly, the infrared receiving unit 431 and the infrared emitting unit 432 of the alignment device 43 for the second time can be respectively installed on the for example right bottom beam 22 of the inner elevator 3a and 3 and the corresponding floor (for example L1a) of the right wall 47 of the elevator groove 5 , L2, L3,...) position. In addition, in the second embodiment, when the elevator car on the Aa floor of the inner elevator 3a starts to leave the ground floor of the building and enters other floor positions to run, the control device (not shown) will immediately start the elevator car on the inner elevator 3a. The cylinder device 24B is retracted to work in the first stroke mode, so that the elevator car on the Aa floor of the inner elevator 3a is ready to align with it when it arrives at the corresponding other floor positions of the building; When the car leaves other floors of the building and is about to enter the ground floor L1a to run, the oil cylinder device 24B on the inner lift 3a is activated by the control device (not shown) to stretch out to work in the second stage of the stroke mode, so that the inner lift 3a The elevator car in Aa is aligned with the ground floor when it reaches the ground floor location of the building.

The embodiment of the three-story elevator of the second embodiment of the present invention has been described above by way of example. When the multi-storey elevator 1a includes more than three inner elevators, the same as the first embodiment, the multi-storey elevator 1a of the present invention can be provided with two or more outer elevator frames, and the lower outer elevator frame adopts the second embodiment. The outer elevator frame 2a of the upper outer elevator frame still adopts the outer elevator frame 2 in the first embodiment, and the two are connected by the same connection structure as in the first embodiment, and its description is omitted here.

Claims (19)

1. A multi-storey lift, comprising: At least one outer elevator frame, which is suspended by cables and driven by a driving mechanism, can be positioned and lifted along the elevator rail in the elevator groove, and each of the outer elevator frames constitutes a rigid body with at least three upper and lower spaces; At least three layers of inner lifts, which are respectively installed in the space of one or more outer lift frames along the upper and lower sides, and each layer of inner lifts includes one on each side that is slidable up and down and installed on the outer lifter an inner elevator frame on the frame, an inner elevator car frame fixedly connected to said inner elevator frame, and an inner elevator car; two oil cylinder devices arranged on each of said inner elevator frames, used to drive said inner elevator frames to align said inner elevator car with the corresponding landing; and The primary alignment device arranged on the side walls of each of the outer elevator frames and the elevator slot and a plurality of second alignment devices arranged on each of the inner elevator and the side walls of the elevator slot The positioner, the first time the positioner selectively triggers and sends a signal to a control device, so that the control device instructs the drive mechanism to stop rotating so that the outer elevator frame stops lifting, and the plurality of second positioners The controllers are selectively triggered and send signals to the control device, so that the control device starts the expansion and contraction of the oil cylinder device of each inner elevator at the same time, so that the inner elevator car of each floor is connected to the corresponding floor at the same time. counterpoint. 2. The multi-storey elevator according to claim 1, wherein each outer elevator frame comprises four vertical columns, four side beams on the left and right sides, four rear beams on the rear side, and four front beams on the front side, which are fixedly connected to form the rigid body, the adjacent side beams on the left and right sides, and the adjacent rear beams on the rear side, As for the adjacent front beams located on the front side, the height of the space formed between them corresponds to the height of the building floor. 3. The multi-storey elevator according to claim 2, characterized in that the vertical columns, the side beams and the rear beams of the outer lift frame are made of section steel, and the front beam is made of angle steel , the corner of the angle steel is located on the upper horizontal plane of the angle steel facing the front side. 4. The multi-storey elevator according to claim 3, characterized in that, the section steel is a square steel with a thickness of 9.5 mm and a width of 127 mm, and the angle steel is a thickness of 9.5 mm and a width of 127 mm. 5 . The multi-storey elevator according to claim 2 , wherein the rails include one rail on the left wall and one right wall of the elevator trough and two rails on the rear wall. 6 . 6. The multi-storey elevator according to claim 5, characterized in that, the joints of the side beams and the rear beams of the outer elevator and the rails are provided with sliding shoes for making the outer elevator The frame can be positioned and raised and lowered along the track, and an elevator brake pad is installed at the junction of the slide shoe and the track. 7. The multi-storey elevator of claim 2, wherein each of said inner elevator frames includes a vertical column supported between said front vertical column and said rear vertical column of said outer elevator frame, along which The side roof beam and the side bottom beam that slide up and down on the vertical column; the oil cylinder device is fixedly connected between the side roof beam and the side bottom beam The end position is used to adjust the distance between the side roof beam and the side bottom beam so as to align the inner elevator; the inner elevator car frame is fixedly connected with the side bottom beam and surrounds the inner elevator Lift car. 8. The multi-storey elevator according to claim 7, characterized in that, the side roof beams are hung on the side beams above the corresponding layers of the outer elevator frame by a plurality of extension springs, and the lower ones of the layers are A plurality of compression springs are arranged on the upper surface of the side beams, which are used to support the side bottom beams to buffer the inner elevator car. 9. The multi-storey elevator according to claim 8, characterized in that, the lowermost two adjacent side beams located on the left and right sides of each outer elevator frame, and the lowermost side beams located on the rear side Two adjacent rear beams and two adjacent front beams located at the bottom of the front side, the space of the first floor at the bottom of the outer lift frame formed between them is higher than the space of other floors, and the space between them is higher than that of the building ground. The height of the floor is corresponding; the oil cylinder device on the inner elevator arranged in the lowermost layer space of the outer elevator frame adopts a double-stroke oil cylinder device, which has two strokes, and the first stroke is used for the inner elevator. The elevator works at other floor locations than the ground floor of the building; the second stroke is used for the operation of the inner elevator at the ground floor location of the building. 10. The multi-storey elevator according to claim 7, characterized in that, the side top beams and the side bottom beams are made of section steel. 11. The multi-storey elevator according to claim 10, characterized in that, the section steel is a square steel with a thickness of 9.5 mm and a width of 127 mm. 12. The multi-storey elevator according to claim 1, wherein an elevator door is provided in front of the inner elevator car, and an escape room is separated from the side of the elevator car, and a safety door is provided therebetween. 13. The multi-storey elevator according to claim 12, characterized in that, the elevator door adopts a 3-door structure. 14. The multi-storey elevator according to claim 12, characterized in that, the floor and ceiling of the escape room are provided with escape exits, and escape ladders are inserted up and down in the escape exits. The car extends to the elevator car on the top floor, and the escape exit is covered with a cover plate. 15. The multi-storey elevator according to claim 12, characterized in that, the escape rooms of the inner elevator cars on each floor are provided with respective motors and hydraulic systems for receiving the second pair of Start the expansion and contraction of the oil cylinder device when the signal sent by the positioner, so that the inner elevator car of this floor is aligned. 16. The multi-storey elevator according to claim 1, characterized in that, the first aligner and the second aligner are photoelectric sensors, and the first aligner has a sensor mounted on each An infrared receiving unit on the left vertical column of the outer elevator frame and a plurality of infrared emitting units installed on the corresponding floor positions on the left wall of the elevator slot; the second aligner has a right bottom installed on each inner elevator An infrared receiving unit on the beam and a plurality of infrared emitting units installed on the corresponding floor positions on the right wall of the lift slot. 17. The multi-storey elevator according to claim 1, characterized in that, the first alignment device and the second alignment device are travel switches. 18. The multi-storey elevator according to claim 1, characterized in that, the multi-storey elevator includes three to twenty inner elevators, and the multi-storey elevator has two or more outer elevator frames, wherein, the lower The uppermost side beam and rear beam of the outer elevator frame are connected with the lowermost side beam and rear beam of the outer elevator frame above by a plurality of connecting pieces, so that the outer elevator frame below The vertical columns abut against the vertical columns of the upper outer elevator frame, wherein the uppermost side beams and the rear beams of the lower outer elevator frame are in contact with the lowermost all vertical columns of the upper outer elevator frame The distance between the side beam and the rear beam is 300mm. 19. The multi-storey elevator according to claim 18, characterized in that, the connecting parts include iron chains, steel wires or cables; the connecting parts are provided with three left connecting parts, three right connecting parts and three rear connecting parts.

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