Electric lifting device for airport ground well lid

The electric lifting device solves the problem of low efficiency of airport manhole cover lifting devices, realizes automated lifting and safety warning of manhole covers, improves maintenance efficiency and safety, and adapts to various working conditions.

CN224105515UActive Publication Date: 2026-04-10JILIN MINHANGJICHANG GRP CO
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-22
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

The existing airport manhole cover lifting devices are inefficient, time-consuming and labor-intensive to operate, and are prone to freezing and wire rope breakage, especially in winter, making it difficult to meet the needs of efficient maintenance.

Method used

It adopts an electric lifting device, including a lifting drive mechanism, a transmission mechanism, a guiding mechanism, and a control system. It uses a motor and a reducer to realize the automatic lifting and lowering of the manhole cover. It is equipped with a brake locking mechanism and a manual emergency mode. It combines pulley blocks and wire rope transmission, and is equipped with a guiding mechanism and casters. It also has a power backup and safety warning system.

Benefits of technology

It improves the efficiency of manhole cover lifting, reduces the intensity of manual operation, ensures applicability and safety under various working conditions, provides safety warnings, and improves maintenance efficiency and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an electric lifting device for an airport ground well lid. The electric lifting device comprises a mounting seat, a bracket, a lifting driving mechanism, a lifting transmission mechanism, a lifting seat and a guide mechanism, the mounting seat is connected with the bracket; the lifting driving mechanism is connected with the mounting seat; the lifting transmission mechanism is connected with the lifting driving mechanism; the lifting transmission mechanism is connected with the lifting seat, and the lifting seat is connected with the airport ground well lid; the guide mechanism is connected with the support, the lifting seat is slidably connected with the guide mechanism, and the guide mechanism is used for restraining the lifting seat to move perpendicular to the opening direction of the airport ground well lid. Maintenance personnel can conveniently check and maintain ground well equipment, work efficiency is improved, applicability of the ground well lifting device is improved, personal safety of operators is guaranteed, the operation safety warning lamp and the warning isolation belt can play a role in warning and prompting airport apron vehicles and personnel during operation, and the risk that the airport apron enters an operation area to be injured during operation is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to ground well maintenance technical field especially relates to an airport ground well lid electric lifting device. BACKGROUND

[0002] The static transformer of the ground well type can change the original power supply and air conditioning pipeline delivery mode, so that all underground pipelines are used, and the power cable and air conditioner are lifted to the ground by using the ground well lifting device when in use. When the device is not in use, it is lowered into the ground well of the apron, and a solid steel plate (ground well cover) is used to block the ground well opening. When the ground well lifting device needs to be checked and repaired, the maintenance personnel can enter the well to check and repair the work by using the handrail ladder after lifting the ground well cover. The ground well cover lifting device configured by the ground well equipment is mostly a hand-operated ground well cover lifting device. During daily use, it is found that the work efficiency is low, the operation is heavy, time-consuming and labor-intensive, and it is difficult to lift the ground well cover in winter when the ground well cover is frozen. The traction steel wire rope is broken at one time. The above problems need to be solved. SUMMARY

[0003] The utility model aims at providing an airport ground well cover electric lifting device to solve the problems in the background art.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an airport ground well cover electric lifting device, comprising:

[0005] A mounting seat and a support are connected;

[0006] A lifting drive mechanism is connected with the mounting seat;

[0007] A lifting transmission mechanism is connected with the lifting drive mechanism;

[0008] A lifting seat is connected with the lifting transmission mechanism, and the lifting seat is connected with the airport ground well cover;

[0009] A guide mechanism is connected with the support, and the lifting seat is slidingly connected with the guide mechanism. The guide mechanism is used to constrain the lifting seat to move vertically in the opening direction of the airport ground well cover.

[0010] Further, the lifting drive mechanism comprises:

[0011] A motor and a speed reducer are connected with the output shaft;

[0012] A brake locking mechanism is used to brake the output shaft in the motor shutdown state, and the brake locking mechanism releases the brake on the output shaft in the motor working state;

[0013] The brake hand release device is connected with the brake locking mechanism, and the brake hand release device is rotated to release the brake locking mechanism from braking the output shaft.

[0014] The rotating lever is connected with the output shaft, and when there is no power supply, the rotating lever is driven to rotate the output shaft after the brake is released.

[0015] Further, the lifting transmission mechanism comprises:

[0016] The winding wheel is connected with the lifting driving mechanism;

[0017] The pulley is rotatably connected with the lifting seat;

[0018] The steel wire rope is slidably connected with the pulley, and the two ends of the steel wire rope pass through the mounting seat and are connected with the winding wheel;

[0019] The lifting driving mechanism drives the winding wheel to rotate, and the winding wheel rotates to pull the steel wire rope to drive the lifting seat to move through the pulley.

[0020] Further, the guide mechanism comprises:

[0021] The plurality of sliding rails are connected with the support;

[0022] The plurality of sliding blocks are connected with the lifting seat, and the plurality of sliding blocks are slidably connected with the plurality of sliding rails one by one.

[0023] Further, the sliding rail is oppositely provided with a sliding groove, the sliding block is provided with a protrusion, the sliding groove and the protrusion are correspondingly provided, and the protrusion and the sliding groove are slidably connected.

[0024] Further, the lifting seat comprises:

[0025] The plurality of through grooves are correspondingly provided with the lifting points of the airport ground well lid;

[0026] The lifting point connecting mechanism comprises a supporting seat and a lifting part, the supporting seat is connected with the lifting part, the supporting seat abuts against the upper edge of the through groove, the lifting part passes through the through groove and is connected with the lifting point of the airport ground well, and the lifting point connecting mechanism is slidably connected along the through groove through the supporting seat.

[0027] Further, the support comprises a universal wheel, and the universal wheel is arranged at the bottom of the support.

[0028] Further, the electric drum device is arranged, the electric drum device is used for winding and unwinding the cable, and the electric drum device provides power for the lifting driving mechanism through the cable.

[0029] Further, the controller is connected with the motor.

[0030] Further, the sound and light alarm is connected with the controller.

[0031] Further, a man-machine interface is included, which is connected with the controller.

[0032] Compared with the prior art, the utility model has the advantages of: convenient maintenance personnel checks and maintains ground well equipment, promotes work efficiency, promotes ground well lifting device applicability, guarantees work personnel personal safety, work safety alarm lamp, warning isolation belt can play warning and prompting effect to apron vehicle and personnel when working, avoids injury risk when entering work area during work. BRIEF DESCRIPTION OF DRAWINGS

[0033] Figure 1 It is an airport ground well maintenance device structure schematic view in the embodiment of the utility model;

[0034] Figure 2 It is a guide mechanism structure schematic view in the embodiment of the utility model;

[0035] Figure 3 It is a control system connection block diagram in the embodiment of the utility model;

[0036] In the drawing: 10, mounting seat; 20, support; 30, lifting drive mechanism; 40, lifting transmission mechanism; 50, lifting seat; 60, guide mechanism; 80, man-machine interface; 90, electric drum device; 21, universal wheel; 22, locking part; 31, motor; 32, speed reducer; 41, winding wheel; 42, pulley; 43, steel wire rope; 61, sliding rail; 62, sliding block; 51, through slot; 52, hoisting point connecting mechanism; 74, controller; 75, audible and visual alarm; 521, support seat; 611, sliding groove; 621, boss. DETAILED DESCRIPTION

[0037] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0038] In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more than two;The terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0039] In the description of the utility model, it is necessary to point out that, unless otherwise specified and limited, the terms "connected", "connected" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanically connected, or it can be electrically connected;It can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0040] Please refer to the description of the drawings, the utility model provides a technical scheme: an airport ground well maintenance device, comprising:

[0041] Mounting seat 10 and support 20, mounting seat 10 is connected with support 20;

[0042] Lifting drive mechanism 30, lifting drive mechanism 30 is connected with mounting seat 10;

[0043] Lifting transmission mechanism 40, lifting transmission mechanism 40 is connected with lifting drive mechanism 30;

[0044] Lifting seat 50, lifting transmission mechanism 40 is connected with lifting seat 50, lifting seat 50 is connected with airport ground well cover;

[0045] Guide mechanism 60, guide mechanism 60 is connected with support 20, lifting seat 50 is slidably connected with guide mechanism 60, and guide mechanism 60 is used for restricting lifting seat 50 to move vertically in the opening direction of airport ground well cover.

[0046] In the above embodiment, the lifting driving mechanism 30 realizes smooth and efficient automatic lifting and lowering of the manhole cover through forward and reverse rotation control of the motor 31, significantly reduces the manual operation strength, and improves the operation efficiency. When there is no power supply, the motor 31 is provided with a brake locking mechanism and a rotating rocker. The brake locking mechanism is used to lock the output shaft of the motor 31. The brake locking mechanism can be released, and the emergency lifting ground manhole cover can be performed by rotating the rocker, so as to cope with various working conditions and improve the applicability of the device in various conditions. The lifting transmission mechanism 40 can adopt a worm gear transmission or a lever transmission structure, and effectively connects the lifting rod and the manhole cover connecting device.

[0047] Optionally, the lifting driving mechanism 30 comprises:

[0048] The motor 31 has an output shaft, and the output shaft is connected with the speed reducer 32;

[0049] The brake locking mechanism, when the motor is in a stopped state, the brake locking mechanism locks the output shaft to brake the output shaft, and when the motor is in a working state, the brake locking mechanism releases the brake on the output shaft;

[0050] The brake manual release device, the brake manual release device is connected with the brake locking mechanism, and the brake manual release device is rotated to release the brake of the brake locking mechanism on the output shaft;

[0051] The rotating rocker, the rotating rocker is connected with the output shaft, and when there is no power supply, the rotating rocker is driven to rotate to release the brake on the output shaft.

[0052] In the above embodiment, the core of the lifting driving mechanism 30 is the motor 31, the output shaft of the motor 31 is closely connected with the speed reducer 32, the speed reducer 32 adopts a worm gear form and can realize self-locking function, the motor is provided with a brake locking mechanism, when a button instruction is not triggered, the brake is in a locked state, the motor 31 is provided with a brake manual release device, the brake manual release device can be rotated to release the brake, and a rotating rocker can also be provided, the rotating rocker is used for manually lifting the ground manhole cover in an emergency, and is used for coping with no power supply or power failure.

[0053] Optionally, the lifting transmission mechanism 40 comprises:

[0054] The winding wheel 41 is connected with the lifting driving mechanism 30;

[0055] The pulley 42 is rotatably connected with the lifting seat 50;

[0056] The steel wire rope 43 is slidably connected with the pulley 42, and the two ends of the steel wire rope 43 pass through the mounting seat 10 and are connected with the winding wheel 41;

[0057] The lifting driving mechanism 30 drives the rotation of the winding wheel 42, and the winding wheel 42 rotates to pull the steel wire rope to drive the lifting seat 50 to move through the pulley 42.

[0058] In the above embodiment, the lifting transmission mechanism 40 adopts a pulley block and a steel wire rope transmission structure, which effectively converts the rotary motion of the motor 31 into linear motion. When the lifting transmission mechanism 40 adopts a pulley block and a steel wire rope transmission structure, the pulley block is designed reasonably, and the steel wire rope is made of high-strength and wear-resistant material, which ensures stable transmission and efficient force transmission. The surface of the pulley can be wear-resistant treated, and the anti-jumping groove device is arranged between the steel wire rope and the pulley, and the lifting and the lower limit are limited by the travel switch, which ensures the stability and safety during transmission. When the lifting transmission mechanism 40 adopts worm gear transmission, the worm gear and the worm are made of wear-resistant and high-strength copper alloy and alloy steel material, which ensures stable transmission and good self-locking performance; when adopting lever transmission, the lever is made of lightweight and high-strength aluminum alloy material, and the lever ratio is optimized to reduce the required force during operation.

[0059] Optionally, the guide mechanism 60 comprises:

[0060] A plurality of sliding rails 61 connected with the support;

[0061] A plurality of sliding blocks 62 connected with the lifting seat 50, and the plurality of sliding blocks 62 are in one-to-one sliding connection with the plurality of sliding rails 61.

[0062] In the above embodiment, through the cooperation of the sliding rail 61 and the sliding block 62, the lifting seat 50 moves along the direction constrained by the guide mechanism 60 under the action of the lifting transmission mechanism 40 and the lifting driving mechanism 30, so as to vertically open or close the airport manhole cover.

[0063] Optionally, the sliding rail 61 is provided with a sliding groove 611 in opposite arrangement, the sliding block 62 is provided with a boss 621, the sliding groove 62 and the boss 621 are correspondingly arranged, and the boss 621 and the sliding groove 611 are in sliding connection.

[0064] In the above embodiment, through the cooperation of the sliding groove 62 and the boss 621, the horizontal direction of the lifting seat 50 is constrained when the lifting seat 50 is lifted, and the inclination angle of the lifting seat 50 during lifting is eliminated, so as to ensure that the traction force is vertically applied to the airport manhole cover when the airport manhole cover is opened.

[0065] Optionally, the lifting seat 50 comprises:

[0066] A plurality of through grooves 51 corresponding to the lifting points of the airport manhole cover;

[0067] The lifting point connecting mechanism 52 includes a supporting seat 521 and a lifting part. The supporting seat 521 is connected with the lifting part, and abuts against the upper edge of the through slot 51. The lifting part passes through the through slot 51 and is connected with the lifting point of the airport well. The lifting point connecting mechanism 52 is connected with the through slot 51 through the supporting seat 521.

[0068] In the above embodiment, the through slot 51 makes the lifting point connecting mechanism 52 suitable for the lifting points of the airport well covers in different positions, so that the airport well maintenance device is suitable for various types of airport well covers. The lifting point connecting mechanism 52 includes but is not limited to a special hook, a magnetic suction cup or a mechanical claw, which ensures the close connection with the airport well cover. The hook of the lifting point connecting mechanism 52 is forged by high-strength alloy steel, and the surface is treated to prevent rust, so as to enhance the durability and safety. The magnetic suction cup is made of high-magnetic and high-temperature-resistant magnetic material, which ensures reliable adsorption of the well cover in various environments. The mechanical claw is designed with automatic locking and unlocking functions, which is simple and fast to operate.

[0069] Optionally, the support 20 includes universal wheels 21 arranged at the bottom of the support 20.

[0070] In the above embodiment, the support 20 is provided with four universal wheels 21 and a locking part 22, so that the four wheels have the functions of universal and locking, which is convenient for moving and taking into account the locking function, and effectively avoids the risk of vehicle sliding.

[0071] Optionally, the electric drum device 90 is arranged for winding and unwinding the cable, and provides power for the lifting driving mechanism 30 through the cable.

[0072] In the above embodiment, the power cable of the present application adopts the electric drum device 90, which is convenient and efficient. A power supply module is also arranged, which adopts switching power supply technology, can be connected with an external power supply, provides stable power supply for the motor 31 of the driving mechanism 30 and the sound and light alarm device 75, and has short-circuit protection and overload protection functions, which ensures the safe operation of the equipment.

[0073] Optionally, the controller 74 is also arranged and connected with the lifting driving mechanism 30.

[0074] The controller 74 controls the operating state of the lifting driving mechanism 30.

[0075] In the above embodiment, the motor 31 control button of the lifting driving mechanism 30 sends start-stop signals and positive transmission reverse rotation signals to the controller 74. The controller 74 generates motor control instructions according to the start-stop signals and positive transmission reverse rotation signals, and the motor control instructions drive the motor 31 to act according to the corresponding control button.

[0076] Optionally, an audible and light alarm 75 is further included, and the audible and light alarm 75 is connected with the controller 74.

[0077] In the above embodiment, the audible and light alarm 75 is installed at a conspicuous position and is electrically connected with the controller 74, when the lifting driving mechanism 30 of the airport ground well maintenance device is started, an alarm signal is sent, the controller 74 receives the alarm signal to generate an alarm instruction, according to the alarm instruction, the controller 74 controls the audible and light alarm 75 to send a high-decibel sound and flashing light, the audible and light alarm 75 is automatically activated to send a loud sound and flashing light, effectively alarming the surrounding personnel, preferably, a safety warning reflective sign is further arranged, the reflective sign is made of a high-brightness and high-reflectivity material, and is attached to the lifting device shell in a large area, so as to ensure that the reflective sign is eye-catching and visible under light irradiation, and a strong reflection effect is generated.

[0078] Optionally, a man-machine interactive interface 80 is further included, and the man-machine interactive interface 80 is connected with the controller 74.

[0079] The running state signal of the lifting driving mechanism 30 is sent to the controller 74 through the man-machine interactive interface 80.

[0080] In the above embodiment, the simple operation panel of the man-machine interactive interface 80 is equipped, the panel is provided with a motor 31 starting and stopping button and a test button of the audible and light alarm 74, so that the intuitive and simple operation control of the staff is facilitated.

[0081] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An electrically powered lifting device for an airport ground well lid, characterized in that The utility model relates to a kind of airport ground well lid lifting device, including: Mounting seat and support, mounting seat is connected with support; Lifting drive mechanism, lifting drive mechanism is connected with mounting seat; Lifting transmission mechanism, lifting transmission mechanism is connected with lifting drive mechanism; Lifting seat, lifting transmission mechanism is connected with lifting seat, lifting seat is connected with airport ground well lid; Guiding mechanism, guiding mechanism is connected with support, lifting seat is slidably connected with guiding mechanism, guiding mechanism is used to constrain lifting seat vertically airport ground well lid opening direction movement.

2. An electrically operated airport manhole cover lifting device according to claim 1, wherein, Lifting drive mechanism includes: Motor and speed reducer, motor has output shaft, output shaft is connected with speed reducer; Bail locking mechanism, when motor stops, bail locking mechanism locks output shaft, and output shaft is braked, when motor works, bail locking mechanism removes the brake of output shaft; Bail manual release device, bail manual release device is connected with bail locking mechanism, and rotating bail manual release device is to remove the brake of output shaft by bail locking mechanism; Rotary rocker, rotary rocker is connected with output shaft, when there is no power supply, the output shaft after rotation is removed brake by driving rotary rocker.

3. An electrically operated device for lifting a well lid in an airport according to claim 1, characterized in that Lifting transmission mechanism includes: Rolling wheel, rolling wheel is connected with lifting drive mechanism; Pulley, pulley is rotatably connected with lifting seat; Steel wire rope, steel wire rope is slidably connected with pulley, and both ends of steel wire rope are connected with rolling wheel through mounting seat; Lifting drive mechanism drives rolling wheel to rotate, and rolling wheel rotates to pull steel wire rope to drive lifting seat to move through pulley.

4. An electrically operated well lid lifting device for an airport according to claim 1, characterized in that, Guiding mechanism includes: Multiple slide rails, slide rail is connected with support; Multiple sliding blocks, sliding block is connected with lifting seat, and multiple sliding blocks are slidably connected with multiple slide rails one by one.

5. An electrically operated device for lifting a well lid in an airport according to claim 1, characterized in that Slide rail is relatively provided with sliding groove, and sliding block is provided with boss, and sliding groove and boss are correspondingly provided, and boss is slidably connected with sliding groove.

6. An electrically operated well lid lifting device for an airport according to claim 1, characterized in that, Lifting seat includes: Multiple through grooves, multiple through grooves are correspondingly provided with hoisting point of airport ground well lid; Hoisting point connecting mechanism, hoisting point connecting mechanism includes support seat and hoisting part, support seat is connected with hoisting part, support seat abuts on the upper edge of through groove, and hoisting part is connected with hoisting point of airport ground well through through groove, and hoisting point connecting mechanism is slidably connected along through groove by support seat.

7. An electrically operated device for lifting a well lid in an airport according to claim 1, characterized in that Support includes universal wheel, and universal wheel is arranged at the bottom of support.

8. An electrically operated well lid lifting device for an airport according to claim 2, characterized in that, Including controller, controller is connected with motor.

9. An electrically powered airport manhole cover lifting device according to claim 8, characterised in that, Including sound-light alarm, sound-light alarm (75) is connected with controller (74).

10. An electrically operated well lid lifting device for an airport according to claim 1, characterized in that, Including man-machine interface, man-machine interface is connected with controller.