Intelligent elevator

By installing anti-decoupling device and synchronous driving mechanism in the elevator, the problem of opening or closing of the car door and the floor door is solved, and the normal use and safety enhancement of the elevator are achieved.

CN120534845APending Publication Date: 2025-08-26CHINA CONSTR THIRD ENG BUREAU GRP CO LTD
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Patent Information

Application Number
CN202510758390.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-06-09
Publication Date
2025-08-26

AI Technical Summary

Technical Problem

There is a lack of a reliable anti-disassembly structure between the car door and the floor door of the existing elevator, which causes the floor door to be unable to be opened or closed simultaneously with the car door, affecting the normal use of the elevator.

Method used

The anti-dehooking device is installed on the car door of the elevator. The anti-dehooking device is used to connect or separate the floor door and the car door to ensure that the floor door and the car door are opened or closed simultaneously. The single jump foot drive mechanism and the synchronous driving device are used to realize the synchronous movement of the car door.

Benefits of technology

Effectively prevent the floor door from falling off the car door, ensure the normal use and safety of the elevator, enhance the connection strength between the car door and the floor door, and ensure synchronous operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The intelligent elevator comprises a lift car, a first lift car door and a second lift car door, the first lift car door and the second lift car door are arranged on one side of the lift car in a sliding mode, a plurality of anti-unhooking devices are installed on the first lift car door, and when the first lift car door and the second lift car door are opened in a reverse sliding mode, the anti-unhooking devices are installed on the second lift car door. The anti-unhooking device extends into the floor door, so that the floor door is synchronously opened along with the first car door and the second car door; the anti-unhooking device leaves the floor door, the lift car, the first lift car door and the second lift car door and can move up and down; when the anti-falling part extends into the floor door, the floor door and the car door are connected together, the floor door can be synchronously opened or closed along with the car door, the connection strength between the floor door and the car door is enhanced, and the situation that the floor door falls off from the car door and cannot be synchronously opened or closed is prevented; when the anti-falling part is pulled out of the floor door, the floor door is separated from the car door, the car door can synchronously go up and down along with the car, and normal use of the elevator is guaranteed.
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Description

Technical Field

[0001] The present invention relates to an elevator, in particular to an intelligent elevator. Background Art

[0002] Elevators are essential vertical transportation equipment on modern construction sites, primarily used to transport personnel, building materials, and equipment. Driven by an electric motor, hydraulic system, or traction device, an elevator moves a passenger or cargo platform vertically along a fixed track. Its core function is to address height differences. When the passenger or cargo platform reaches the designated floor, the elevator car door opens, driving the floor doors to open synchronously, allowing people and cargo to ascend and descend.

[0003] Chinese patent application number CN201410538986.8 discloses an elevator that, by placing a support seat at the lower end of the elevator base, increases the contact area between the elevator and the ground during use, improving the elevator's stability during use and thereby ensuring the safety of workers while performing operations. Furthermore, a safety rope placement box is provided at the safety guardrail on the lifting platform, allowing workers to use the safety rope inside to enhance safety. However, this elevator lacks a reliable anti-slip structure between the car door and the floor door. When external forces cause the floor door to deflect, the floor door cannot open or close synchronously with the car door, affecting the normal operation of the elevator. Summary of the Invention

[0004] The main purpose of the present invention is to provide an intelligent elevator to solve the problems raised in the related art.

[0005] In order to achieve the above-mentioned purpose, according to one aspect of the present invention, an intelligent elevator is provided, including a car, a first car door and a second car door, the first car door and the second car door are slidingly arranged on one side of the car, and a plurality of anti-unhooking devices are installed on the first car door. When the first car door and the second car door slide in opposite directions to open, the anti-unhooking device extends into the floor door, so that the floor door opens synchronously with the first car door and the second car door; when the first car door and the second car door slide toward each other and close, the second car door squeezes the anti-unhooking device to retract it from the floor door, the anti-unhooking device leaves the floor door, and the car, the first car door and the second car door can move up and down.

[0006] Furthermore, a car door track is fixedly installed at the bottom of the car, and the car door track is located at the bottom of the first car door and the second car door, and is both slidably connected to the first car door and the second car door.

[0007] Furthermore, a groove is provided on a side of the first car door facing the second car door, and a plurality of slots are provided on an outer side of the first car door.

[0008] Furthermore, a convex strip is fixedly provided on a side of the second car door facing the first car door, and the convex strip can extend into the groove.

[0009] Furthermore, the anti-unhooking device includes a protrusion, and a top plate and a bottom plate are fixedly provided at the upper and lower ends of the left side of the protrusion respectively.

[0010] Furthermore, side plates are fixedly provided on the left sides of the top plate and the bottom plate, a plurality of springs are fixedly provided on the outer sides of the side plates, and a plurality of balls are rotatably provided on the upper surface of the top plate and the lower surface of the bottom plate.

[0011] Furthermore, a plurality of tooth plates are fixedly provided between the side plates and the protrusions, and the teeth of the tooth plates face outwards.

[0012] Furthermore, an anti-slip portion is provided on the outer side of the tooth plate.

[0013] Furthermore, the anti-slip part includes an anti-slip plate, a plurality of anti-slip teeth, a connecting shaft and a plurality of gears, the anti-slip teeth are fixed at the outer end of the anti-slip plate, the connecting shaft is fixed at the inner end of the anti-slip plate, the gears are fixed at both ends of the connecting shaft, and the connecting shaft is rotationally connected to the first car door.

[0014] Furthermore, a single-jump foot drive mechanism is provided on the top of the car to drive the first car door and the second car door to open.

[0015] Compared with the prior art, the present invention has the following beneficial effects: The present invention connects or separates the floor door and the car door by providing a rotatable anti-slip portion. When the anti-slip portion is extended into the floor door, it connects the floor door and the car door together, allowing the floor door to open or close synchronously with the car door, strengthening the connection between the two and preventing the floor door from falling off the car door and becoming unable to open or close synchronously. When the anti-slip portion is withdrawn from the floor door, the floor door and the car door are separated, allowing the car door to move up and down synchronously with the car, ensuring normal operation of the elevator. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the closed state of the elevator car door of the present invention.

[0017] Figure 2 This is a schematic diagram of the car door opening state of the present invention.

[0018] Figure 3 This is a schematic diagram of the position of the anti-unhooking device of the present invention.

[0019] Figure 4 This is a schematic diagram of the anti-unhooking device of the present invention being folded up.

[0020] Figure 5 This is a schematic diagram of the anti-unhooking device of the present invention.

[0021] Reference numerals: 1. Car; 2. First car door; 21. Groove; 3. Second car door; 31. Raised strip; 4. Slotted hole; 5. Anti-unhooking device; 6. Car door track; 7. Motor; 8. Driving pulley; 9. Driven pulley; 10. Synchronous belt; 11. First connecting block; 12. Second connecting block; 51. Raised block; 52. Anti-unhooking part; 53. Top plate; 54. Bottom plate; 55. Side plate; 56. Tooth plate; 57. Spring; 58. Ball bearing; 521. Anti-unhooking plate; 522. Anti-unhooking teeth; 523. Connecting shaft; 524. Gear. DETAILED DESCRIPTION

[0022] In order to further illustrate the technical means and effects adopted by the present invention to achieve the predetermined purpose of the invention, the specific implementation methods, structures, features and effects of the present invention are described in detail below in conjunction with the accompanying drawings and preferred embodiments.

[0023] This embodiment provides an intelligent lift, such as Figure 1 and 2 As shown, it includes a car 1, a first car door 2 and a second car door 3. The first car door 2 and the second car door 3 are slidably arranged on one side of the car 1. Several anti-unhooking devices 5 are installed on the first car door 2. When the first car door 2 and the second car door 3 slide in opposite directions to open, the anti-unhooking device 5 extends into the floor door, so that the floor door opens synchronously with the first car door 2 and the second car door 3; when the first car door 2 and the second car door 3 slide toward each other and close, the second car door 3 squeezes the anti-unhooking device 5 to retract it from the floor door, and the anti-unhooking device 5 leaves the floor door, and the car 1, the first car door 2 and the second car door 3 can move up and down.

[0024] A car door track 6 is fixedly installed at the bottom of the car 1. The car door track 6 is located at the bottom of the first car door 2 and the second car door 3, and is slidingly connected to the first car door 2 and the second car door 3.

[0025] A groove 21 is provided on a side of the first car door 2 facing the second car door 3 , and a plurality of slots 4 are provided on the outer side of the first car door 2 .

[0026] A convex strip 31 is fixedly provided on a side of the second car door 3 facing the first car door 2 , and the convex strip 31 can extend into the groove 21 .

[0027] like Figure 4 As shown, the anti-unhooking device 5 includes a protrusion 51 , and a top plate 53 and a bottom plate 54 are fixedly provided at the upper and lower ends of the left side of the protrusion 51 .

[0028] A side plate 55 is fixedly provided on the left side of the top plate 53 and the bottom plate 54 , and a plurality of springs 57 are fixedly provided on the outer side of the side plate 55 . A plurality of balls 58 are rotatably provided on the upper surface of the top plate 53 and the lower surface of the bottom plate 54 .

[0029] A plurality of tooth plates 56 are fixedly provided between the side plates 55 and the protrusions 51 , with the teeth of the tooth plates 56 facing outwards.

[0030] An anti-slip portion 52 is provided on the outer side of the tooth plate 56 .

[0031] The anti-slip portion 52 includes an anti-slip plate 521, a plurality of anti-slip teeth 522, a connecting shaft 523 and a plurality of gears 524. The anti-slip teeth 522 are fixed to the outer end of the anti-slip plate 521, the connecting shaft 523 is fixed to the inner end of the anti-slip plate 521, and the gears 524 are fixed to both ends of the connecting shaft 523. The connecting shaft 523 is rotatably connected to the first car door 2. The gears 524 are respectively engaged with the corresponding tooth plates 56, and the anti-slip plate 521 extends from the slot 4, as shown in FIG. Figure 3 shown.

[0032] A single-jump drive mechanism is provided on the top of the car 1 for driving the first car door 2 and the second car door 3 to open.

[0033] The single-jump foot drive mechanism includes a motor 7 fixed to the top of the car 1, a driving wheel 8 is fixed on the output shaft of the motor 7, a driven wheel 9 is provided on one side of the driving wheel 8, and the driven wheel 9 is rotatably connected to the top of the car 1. The outer rings of the driving wheel 8 and the driven wheel 9 are provided with a synchronous belt 10. The motor 7 drives the driving wheel 8 to rotate, and the driving wheel 8 drives the driven wheel 9 to rotate through the synchronous belt 10. The upper synchronous belt 10 is fixedly connected to the second car door 3 through the second connecting block 12, and the lower synchronous belt 10 is fixedly connected to the first car door 2 through the first connecting block 11. The number of revolutions and the direction of rotation of the motor 7 are set by the encoder and the PCL controller to ensure that the motor 7 stops rotating after the first car door 2 and the second car door 3 are closed or opened. When the synchronous belt 10 rotates in the clockwise direction, the second connecting block 12 drives the second car door 3 to move right, the first connecting block 11 drives the first car door 2 to move left, and the car 1 opens; when the synchronous belt 10 rotates in the counterclockwise direction, the second connecting block 12 drives the second car door 3 to move left, the first connecting block 11 drives the first car door 2 to move right, and the car 1 closes.

[0034] A synchronous drive device similar to the single-jump drive mechanism is provided on the top of the floor door. Compared with the single-jump drive mechanism, the synchronous drive device lacks the motor 7. After the floor door on one side moves following the first car door 2, it drives the floor door on the other side to move following the second car door 3.

[0035] One side floor door is provided with a concave hole that cooperates with the anti-slip plate 521 and the anti-slip tooth 522. After the anti-slip plate 521 and the anti-slip tooth 522 extend into the concave hole, the side floor door is connected to the first car door 2 so that the two can move synchronously.

[0036] The first car door 2 and the second car door 3 move in opposite directions, the convex strip 31 is pulled out of the groove 21, and no longer squeezes the protrusion 51. The spring 57 extends, pushing the protrusion 51 out of the groove 21. At this time, the anti-slip portion 52 is located at the left end of the tooth plate 56, and the anti-slip plate 521 is vertical to the floor door. Figure 5 As shown, the anti-slip plate 521 and the anti-slip tooth 522 extend into the concave hole of the floor door, connecting the floor door with the first car door 2 so that the two can move synchronously; the first car door 2 and the second car door 3 move toward each other, so that the protrusion 31 is inserted into the groove 21, squeezing the protrusion 51, and the protrusion 51 pushes the tooth plate 56 to move left, and the tooth plate 56 drives the gear 524 to rotate in the counterclockwise direction, and the anti-slip portion 52 rotates synchronously with the gear 524 and is close to the protrusion 51, as shown in FIG. Figure 4 As shown, the anti-slip plate 521 and the anti-slip teeth 522 are pulled out from the concave hole of the floor door, the floor door is separated from the first car door 2, and the first car door 2 can move up and down synchronously with the car 1.

[0037] The above description is merely a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as above in terms of a preferred embodiment, it is not intended to limit the present invention. Any person skilled in the art can, without departing from the scope of the technical solution of the present invention, make some changes or modifications to equivalent embodiments using the technical contents disclosed above. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. An intelligent elevator comprising a car (1), a first car door (2) and a second car door (3), characterized in that: The first car door (2) and the second car door (3) are slidingly arranged on one side of the car (1), and a plurality of anti-unhooking devices (5) are installed on the first car door (2). When the first car door (2) and the second car door (3) slide in opposite directions to open, the anti-unhooking devices (5) extend into the floor door, so that the floor door opens synchronously with the first car door (2) and the second car door (3); when the first car door (2) and the second car door (3) slide in opposite directions to close, the second car door (3) presses the anti-unhooking device (5) to retract it from the floor door, and the anti-unhooking device (5) leaves the floor door, and the car (1), the first car door (2) and the second car door (3) can move up and down.

2. The intelligent lift according to claim 1, characterized in that: A car door track (6) is fixedly installed at the bottom of the car (1); the car door track (6) is located at the bottom of the first car door (2) and the second car door (3), and is slidably connected to the first car door (2) and the second car door (3).

3. The intelligent lift according to claim 1, characterized in that: A groove (21) is provided on the side of the first car door (2) facing the second car door (3), and a plurality of slot holes (4) are provided on the outer side of the first car door (2).

4. The intelligent lift according to claim 3, characterized in that: A convex strip (31) is fixedly provided on the side of the second car door (3) facing the first car door (2), and the convex strip (31) can extend into the groove (21).

5. The intelligent lift according to claim 1, characterized in that: The anti-unhooking device (5) comprises a protrusion (51), and a top plate (53) and a bottom plate (54) are fixedly provided at the upper and lower ends of the left side of the protrusion (51).

6. The intelligent lift according to claim 5, characterized in that: A side plate (55) is fixedly provided on the left side of the top plate (53) and the bottom plate (54), a plurality of springs (57) are fixedly provided on the outside of the side plate (55), and a plurality of balls (58) are rotatably provided on the upper surface of the top plate (53) and the lower surface of the bottom plate (54).

7. The intelligent lift according to claim 6, characterized in that: A plurality of tooth plates (56) are fixedly provided between the side plate (55) and the protrusion (51), and the teeth of the tooth plates (56) face outwards.

8. The intelligent lift according to claim 7, characterized in that: An anti-slip portion (52) is provided on the outer side of the tooth plate (56).

9. The intelligent lift according to claim 8, characterized in that: The anti-slip portion (52) comprises an anti-slip plate (521), a plurality of anti-slip teeth (522), a connecting shaft (523) and a plurality of gears (524); the anti-slip teeth (522) are all fixedly arranged at the outer end of the anti-slip plate (521); the connecting shaft (523) is fixedly arranged at the inner end of the anti-slip plate (521); the gears (524) are all fixedly arranged at both ends of the connecting shaft (523); and the connecting shaft (523) is rotationally connected to the first car door (2).

10. The intelligent lift according to claim 1, characterized in that: A single-jump foot drive mechanism for driving the first car door (2) and the second car door (3) to open is provided on the top of the car (1).

Citation Information

Patent Citations

  • a lift

    CN104261306B