Mobile landing interface for elevators

By installing limit blocks, rotating plates, arc plates, and servo motor-driven support components at the bottom of the elevator car, the problem of the elevator car sliding and shifting due to gravity changes was solved, achieving stable docking and improving convenience and safety.

CN116986434BActive Publication Date: 2026-05-15HUNAN YAFU INTELLIGENT EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
HUNAN YAFU INTELLIGENT EQUIP CO LTD
Filing Date
2023-06-30
Publication Date
2026-05-15

AI Technical Summary

Technical Problem

When elevator cars are loaded with heavy goods or carry children, they are prone to sliding and shifting due to changes in gravity, which affects the stability and safety of the connection.

Method used

The support assembly consists of a limit block, a rotating plate, an arc plate, a drive rod, and a servo motor. The servo motor drives the gears to rotate the rotating plate and the drive rod counterclockwise. The limit gears cooperate with the slide rails to ensure that the car remains stable when gravity changes.

Benefits of technology

It effectively prevents the elevator car from sliding or shifting when gravity changes, improving the convenience and safety of elevator docking.

✦ Generated by Eureka AI based on patent content.

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    Figure CN116986434B_ABST
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Abstract

This invention provides a movable leveling docking device for elevators, including a car. A slide rail is installed at the bottom of the car, and a limiting support assembly is provided on the inner side of the slide rail. The support assembly includes a limiting block, a rotating plate, an arc plate, a drive rod, a first servo motor, and a drive gear. A rotating plate is provided on the outer side of the limiting block, and an arc plate is provided on the outer side of the rotating plate. A drive rod is installed on the outer side of the arc plate. A first servo motor is installed at the bottom of the limiting block, and a drive gear is installed at the output end of the first servo motor. The drive gear rotates counterclockwise and drives the limiting gear to rotate through a connecting shaft. The counterclockwise rotation of the limiting gear drives the drive rod to move towards the bottom of the car. The side of the drive rod away from the rack is matched with the slide rail, so that the drive rod passes through the slide rail through the limiting gear to the other side of the car for support, thereby preventing the sudden disappearance of gravity after the car is continuously subjected to gravity and preventing the car from sliding and deviating due to sudden gravity.
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Description

Technical Field

[0001] This invention relates to the field of elevator technology, and more particularly to a movable leveling docking device for elevators. Background Technology

[0002] Elevators are commonly used in daily life. An elevator is a vertical lifting machine powered by an electric motor. When transporting people or goods, the elevator needs to stop at the corresponding floor before entering or exiting. The stability of the elevator docking device is mainly reflected in maintaining stability when stopping, thereby improving safety performance and facilitating the passage of people. This article provides technical inspiration for elevator docking devices.

[0003] The study of elevator docking devices revealed the following problems:

[0004] When docking elevators, the elevator docking device controls the stopping position of the elevator car through the drive motor. When loading heavy goods, the weight of the goods presses on the car, and the car acts on the drive motor through the steel wire rope. At this time, the drive motor drives the steel wire rope to easily slip. When unloading the goods, after the weight on the car disappears, the steel wire rope deviates through the leveling limit of the drive motor, resulting in misalignment of the elevator docking, affecting the use and failing to achieve convenience.

[0005] When loading passengers, younger children may jump around when the elevator car stops. When the children jump and land in the car, the sudden force of gravity can cause the car to slide downwards, preventing the elevator drive motor from leveling with the floor and thus failing to improve safety performance.

[0006] Currently, CN115783947A, an existing technology, discloses a method and device for preventing elevator slippage when leveling a floor. This invention uses a starting motor to drive the output shaft of the main sprocket to rotate, which in turn drives the chain to drive two auxiliary sprockets to rotate. The rotation of the two vertical shafts drives two movable sleeves to move closer together, so that the other ends of the two support rods together drive the top plate to move closer to the elevator shaft wall. This can achieve the effect of using the friction between the two top plates and the elevator shaft wall to prevent the elevator car from moving, which can prevent the elevator car from slipping when it stops at the floor level to a certain extent.

[0007] This invention primarily addresses the problems of elevator docking devices failing to achieve convenience and safety performance when the elevator car suddenly loses gravity after being subjected to continuous gravity or when the elevator car slides under sudden gravity. Summary of the Invention

[0008] To address the aforementioned technical problems, the present invention provides a movable leveling docking device for elevators, thereby resolving the issues described in the background section.

[0009] The purpose and effect of the present invention, a movable leveling docking device for elevators, are achieved by the following specific technical means: A movable leveling docking device for elevators includes a car, a slide rail is installed at the bottom of the car, and a limiting support component is provided on the inner side of the slide rail. The supporting component includes a limiting block, a rotating plate, an arc plate, a drive rod, a first servo motor, and a drive gear. A rotating plate is provided on the outer side of the limiting block, an arc plate is provided on the outer side of the rotating plate, a drive rod is installed on the outer side of the arc plate, a first servo motor is installed at the bottom of the limiting block, and a drive gear is installed at the output end of the first servo motor.

[0010] Furthermore, the limiting block is fan-shaped, with a circular handle and a through hole on one side. An arc-shaped groove is formed on the inner side of the handle, and grooves are formed on both the vertical surface of the fan and the handle.

[0011] Furthermore, the rotating plate is semi-circular and nested in the groove of the fan-shaped vertical surface of the limiting block and the fan handle. A gear groove is provided at the center of the semi-circular rotating plate, which corresponds to the arc-shaped groove on the inner side of the fan handle of the limiting block. The outer side of the semi-circular rotating plate is rack-shaped.

[0012] Furthermore, the arc-shaped plate is nested on the rack-shaped side of the rotating plate, and a matching gear groove is provided on the inner side of the arc-shaped plate that fits into the rotating plate. The radius of the arc-shaped plate is smaller than the radius of the limiting block.

[0013] Furthermore, one side of the drive rod is arranged in a rack shape, and a rotating component for transmission is provided on this side after the drive rod rotates 90 degrees counterclockwise. The side of the drive rod away from the rack shape is matched with the slide rail.

[0014] Furthermore, the drive gear is located inside the fan handle of the limiting block via a first servo motor. The diameter of the drive gear is smaller than the diameter of the circle at the fan handle of the limiting block, and the drive gear meshes with the gear groove at the center of the semicircle of the rotating plate.

[0015] Furthermore, the rotating assembly includes a second servo motor, a connecting rod, a drive rod, a fixed shaft, a transmission plate, a transmission gear, a connecting shaft, and a limit gear. The output end of the second servo motor is equipped with a connecting rod, one end of the connecting rod is equipped with a drive rod, the end of the drive rod away from the connecting rod is equipped with a fixed shaft, the bottom of the fixed shaft is connected to a transmission plate, the outer side of the transmission plate is equipped with a transmission gear, the back of the transmission gear is equipped with a connecting shaft, and the side of the connecting shaft away from the transmission gear is equipped with a limit gear.

[0016] Furthermore, both the connecting rod and the driving rod are arranged in a horizontal box-shaped configuration. The connecting rod is connected to the driving rod via a connecting rod, and one end of the driving rod is nested on the outer side of the fixed shaft and connected to the transmission plate.

[0017] Furthermore, the transmission plate is arranged in a fan shape, and the arc surface of the fan shape is arranged in a rack shape, which is matched with the transmission gear.

[0018] Furthermore, the limiting gear is configured to match the bottom rack of the drive rod.

[0019] Beneficial effects:

[0020] 1. The first servo motor drives the drive gear to mesh with the center of the semicircle of the rotating plate, so that the drive gear drives the rotating plate to rotate through the limit block fan handle. The radius of the rotating plate is smaller than the radius of the vertical surface of the limit block. Thus, after the rotating plate follows the drive gear to rotate, it is limited by the limit block, that is, it rotates 90 degrees counterclockwise. At the same time as the rotating plate rotates 90 degrees counterclockwise, it meshes with the gear groove on the inner side of the arc plate through the rack on the outer side. Thus, the arc plate drives the drive rod to rotate 90 degrees counterclockwise at the same time.

[0021] 2. The drive rod rotates counterclockwise by 90 degrees and engages with the limit gear. The second servo motor drives the connecting rod to perform circular motion. When the second servo motor drives the connecting rod to the right half turn, the connecting rod pushes the drive rod through the connecting rod to drive the transmission plate to rotate clockwise through the fixed shaft. The clockwise rotation of the transmission plate is achieved by its arc-shaped surface being set in a rack shape and engaging with the transmission gear. Through gear transmission, the transmission plate rotates clockwise while simultaneously driving the transmission gear to rotate counterclockwise.

[0022] 3. While the transmission gear rotates counterclockwise, it drives the limit gear to rotate through the connecting shaft. The counterclockwise rotation of the limit gear drives the drive rod to move towards the bottom of the car. The side of the drive rod away from the rack is matched with the slide rail, so that the drive rod passes through the limit gear through the slide rail to the other side of the car for support. This prevents the car from suddenly losing gravity after being continuously subjected to gravity or from sliding off due to sudden gravity, thereby improving convenience and safety performance. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0024] Figure 2 This is a schematic diagram of the initial state structure of the support component of the present invention;

[0025] Figure 3 This is a schematic diagram of the structure of the support component of the present invention after rotating counterclockwise by 90 degrees;

[0026] Figure 4 This is a schematic diagram of the structure of the drive rod moving towards one end of the slide rail according to the present invention;

[0027] Figure 5 This is a schematic diagram of the transmission plate connection structure of the present invention;

[0028] Figure 6This is a schematic diagram of the disassembled drive gear structure of the present invention;

[0029] Figure 7 This is a schematic diagram of the limiting block structure of the present invention;

[0030] Figure 8 This is a schematic diagram of the arc-shaped plate structure of the present invention.

[0031] Figure 1-8 In the diagram, the correspondence between component names and drawing numbers is as follows:

[0032] 1. Car; 101. Slide rail; 2. Limiting block; 201. Turning plate; 202. Arc plate; 203. First drive rod; 204. First servo motor; 205. Drive gear; 3. Second servo motor; 301. Connecting rod; 302. Second drive rod; 303. Fixed shaft; 304. Transmission plate; 305. Transmission gear; 306. Connecting shaft; 307. Limiting gear. Detailed Implementation

[0033] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0034] As attached Figure 1 To be continued Figure 8 As shown: Example

[0035] A mobile leveling docking device for elevators includes a car 1. A slide rail 101 is installed at the bottom of the car 1. A limiting support assembly is provided on the inner side of the slide rail 101. The support assembly includes a limiting block 2, a rotating plate 201, an arc plate 202, a first drive rod 203, a first servo motor 204, and a drive gear 205.

[0036] A rotating plate 201 is provided on the outer side of the limiting block 2, an arc plate 202 is provided on the outer side of the rotating plate 201, a first drive rod 203 is installed on the outer side of the arc plate 202, a first servo motor 204 is installed at the bottom of the limiting block 2, and a drive gear 205 is installed at the output end of the first servo motor 24.

[0037] Among them, the limiting block 2 is arranged in a fan shape, the fan handle is circular, and a through hole is opened on one side. An arc-shaped groove is opened on the inner side of the fan handle, and grooves are opened on both the vertical surface of the fan shape and the fan handle.

[0038] The rotating plate 201 is semi-circular and nested in the groove of the fan-shaped vertical surface of the limiting block 2 and the fan handle. A gear groove is provided at the center of the semi-circle of the rotating plate 201, which corresponds to the arc-shaped groove on the inner side of the fan handle of the limiting block 2. The outer side of the semi-circle of the rotating plate 201 is set in a rack shape.

[0039] The arc plate 202 is nested on the rack-shaped side of the rotating plate 201. The inner side of the arc plate 202 that fits with the rotating plate 201 is provided with a matching gear groove. The radius of the arc plate 202 is smaller than the radius of the limiting block 2.

[0040] The first drive rod 203 has a rack-shaped arrangement on one side. After the first drive rod 203 rotates 90 degrees counterclockwise, a rotating component for transmission is provided on this side. The side of the first drive rod 203 away from the rack-shaped arrangement is matched with the slide rail 101.

[0041] The drive gear 205 is located inside the fan handle of the limiting block 2 via the first servo motor 204. The diameter of the drive gear 205 is smaller than the diameter of the circle at the fan handle of the limiting block 2, and the drive gear 205 meshes with the gear groove at the center of the semicircle of the rotating plate 201.

[0042] After a passenger sets a specific floor in elevator car 1 using the control button, the control button transmits a signal to the control module. The control module then transmits this signal to the elevator drive motor, which uses a steel cable to move car 1 up and down to the specified floor. Simultaneously, the control module transmits the floor signal to the first servo motor 204. The first servo motor 204 drives the drive gear 205 to rotate. The drive gear 205 meshes with the center of the semicircle of the rotating plate 201, causing the rotating plate 201 to rotate through the limit block 2. The radius of the rotating plate 201 is smaller than the radius of the vertical surface of the limit block 2. Thus, after rotating with the drive gear 205, the rotating plate 201 is limited by the limit block 2, rotating 90 degrees counterclockwise. At the same time, the rotating plate 201 meshes with the gear groove on the inner side of the arc plate 202 through the outer side rack, causing the arc plate 202 to simultaneously drive the first drive rod 203 to rotate 90 degrees counterclockwise. Example

[0043] The difference between this embodiment and Embodiment 1 is that the rotating assembly includes a second servo motor 3, a connecting rod 301, a second drive rod 302, a fixed shaft 303, a transmission plate 304, a transmission gear 305, a connecting shaft 306, and a limiting gear 307. The output end of the second servo motor 3 is equipped with the connecting rod 301, one end of the connecting rod 301 is equipped with the second drive rod 302, the end of the second drive rod 302 away from the connecting rod 301 is provided with the fixed shaft 303, the bottom of the fixed shaft 303 is connected to the transmission plate 304, the outer side of the transmission plate 304 is provided with the transmission gear 305, the back of the transmission gear 305 is equipped with the connecting shaft 306, and the side of the connecting shaft 306 away from the transmission gear 305 is equipped with the limiting gear 307.

[0044] Among them, the connecting rod 301 and the second drive rod 302 are both arranged in a horizontal box wrench shape. The connecting rod 301 is connected to the second drive rod 302 through a connecting rod. One end of the second drive rod 302 is nested in the outer side of the fixed shaft 303 and connected to the transmission plate 304.

[0045] The transmission plate 304 is arranged in a fan shape, and the arc surface of the fan shape is arranged in a rack shape. The rack is matched with the transmission gear 305.

[0046] The limiting gear 307 is matched with the bottom rack of the first drive rod 203;

[0047] As the elevator car 1 moves to the designated floor, the arc-shaped plate 202 drives the first drive rod 203 to rotate counterclockwise by 90 degrees. This causes the rack at the bottom of the first drive rod 203 to transmit power to the outer side of the limiting gear 307. The limiting gear 307 is matched with the rack at the bottom of the first drive rod 203, so that the first drive rod 203 meshes with the limiting gear 307 after rotation. After the elevator car 1 moves to the designated floor, a signal is transmitted to the second servo motor 3. The second servo motor 3 drives the connecting rod 301 to perform circular motion. At the same time, the second drive rod 302 follows the rotation of the connecting rod 301 through the connecting rod. When the second servo motor 3 drives the connecting rod 301 to the right half-turn, the connecting rod 301 pushes the second drive rod 302 through the connecting rod, which in turn drives the transmission plate 304 to rotate clockwise through the fixed shaft 303. The transmission plate 304 rotates clockwise and is arranged in a rack-like shape on its arc surface, meshing with the transmission gear 305. Through gear transmission, the transmission plate 304 rotates clockwise and drives the transmission gear 305 to rotate counterclockwise. The transmission gear 305 rotates counterclockwise and drives the limit gear 307 to rotate through the connecting shaft 306. The counterclockwise rotation of the limit gear 307 drives the first drive rod 203 to move towards the bottom of the car 1. The side of the first drive rod 203 away from the rack is matched with the slide rail 101, so that the first drive rod 203 passes through the slide rail 101 through the limit gear 307 to the other side of the car 1 for support. Then, the first servo motor 204 and the second servo motor 3 reverse the direction, so that all components return to the initial state, and the car 1 moves up and down by the elevator drive motor.

[0048] The embodiments of the present invention are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the invention to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described in order to better illustrate the principles and practical application of the invention, and to enable those skilled in the art to understand the invention and to design various embodiments with various modifications suitable for a particular purpose.

Claims

1. A movable leveling docking device for an elevator, comprising a car (1), characterized in that, The bottom of the car (1) is equipped with a slide rail (101), and the inner side of the slide rail (101) is provided with a support assembly for limiting the position. The support assembly includes a limiting block (2), a rotating plate (201), an arc plate (202), a first drive rod (203), a first servo motor (204), and a drive gear (205). A rotating plate (201) is provided on the outer side of the limiting block (2), an arc plate (202) is provided on the outer side of the rotating plate (201), a first drive rod (203) is installed on the outer side of the arc plate (202), a first servo motor (204) is installed at the bottom of the limiting block (2), and a drive gear (205) is installed at the output end of the first servo motor (204). One side of the first drive rod (203) is arranged in a rack shape. After the first drive rod (203) rotates counterclockwise by 90 degrees, a rotating component for transmission is provided on this side. The side of the first drive rod (203) away from the rack shape is matched with the slide rail (101). The rotating assembly includes a second servo motor (3), a connecting rod (301), a second drive rod (302), a fixed shaft (303), a transmission plate (304), a transmission gear (305), a connecting shaft (306), and a limiting gear (307). The output end of the second servo motor (3) is equipped with the connecting rod (301), and one end of the connecting rod (301) is equipped with the second drive rod (302). The end of the second drive rod (302) away from the connecting rod (301) is provided with the fixed shaft (303). The bottom of the fixed shaft (303) is connected to the transmission plate (304). The outer side of the transmission plate (304) is provided with the transmission gear (305). The back of the transmission gear (305) is equipped with the connecting shaft (306), and the side of the connecting shaft (306) away from the transmission gear (305) is equipped with the limiting gear (307). The connecting rod (301) and the second drive rod (302) are both arranged in a horizontal wrench shape. The connecting rod (301) is connected to the second drive rod (302) through a connecting rod. One end of the second drive rod (302) is nested on the outer side of the fixed shaft (303) and connected to the transmission plate (304).

2. The elevator moving leveling docking device according to claim 1, characterized in that, The limiting block (2) is fan-shaped, with a circular handle and a through hole on one side. An arc-shaped groove is provided on the inner side of the handle, and grooves are provided on both the vertical surface of the fan and the handle.

3. The elevator moving leveling docking device according to claim 2, characterized in that, The rotating plate (201) is semi-circular and nested in the groove of the fan-shaped vertical surface of the limiting block (2) and the fan handle. A gear groove is provided at the center of the semi-circle of the rotating plate (201), which corresponds to the arc-shaped groove on the inner side of the fan handle of the limiting block (2). The outer side of the semi-circle of the rotating plate (201) is set in a rack shape.

4. The elevator moving leveling docking device according to claim 3, characterized in that, The arc plate (202) is nested on the rack-shaped side of the rotating plate (201). The inner side of the arc plate (202) that is in contact with the rotating plate (201) is provided with a matching gear groove. The radius of the arc plate (202) is smaller than the radius of the limiting block (2).

5. The elevator moving leveling docking device according to claim 2, characterized in that, The drive gear (205) is located inside the fan handle of the limiting block (2) via the first servo motor (204). The diameter of the drive gear (205) is smaller than the diameter of the circle at the fan handle of the limiting block (2), and the drive gear (205) meshes with the gear groove at the center of the semicircle of the rotating plate (201).

6. The elevator moving leveling docking device according to claim 1, characterized in that, The transmission plate (304) is arranged in a fan shape, and the arc surface of the fan shape is arranged in a rack shape. The rack is matched with the transmission gear (305).

7. The elevator moving leveling docking device according to claim 1, characterized in that, The limiting gear (307) is matched with the bottom rack of the first drive rod (203).