CN213450208U

CN213450208U - Mobile frame ladder for maintaining equipment at airport-connecting port

Info

Publication number: CN213450208U
Application number: CN202022072414.9U
Authority: CN
Inventors: 李刚强; 尚彦君; 董燕军; 郭宇; 刘向珂; 冯建龙; 许小伟
Original assignee: Ordos Ejinholo International Airport Co ltd
Current assignee: Ordos Ejinholo International Airport Co ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-06-15
Anticipated expiration: 2030-09-21

Abstract

The utility model discloses a mobile frame ladder for the maintenance of airport pick-up equipment, the top of the ladder frame is provided with a platform board, the tail part of the platform board is fixed with the ladder frame, and the head part of the platform board is fixedly connected with an underframe by a head support frame; the head support frame is in a herringbone shape, the top of the head support frame is fixed with the head of the platform plate, the tip of the head support frame is fixed with the ladder frame, the bottom of the head support frame is fixed with the bottom frame, and a space matched with the aircraft port is reserved below the head of the platform plate by the head support frame; the platform plate is provided with a U-shaped fence, a baffle plate is arranged at an opening of the U-shaped fence, pin holes are respectively formed at the adjacent positions of the baffle plate and the U-shaped fence, and U-shaped pin shafts are inserted in the pin holes; the left side and the right side below the head part of the platform plate are respectively provided with a telescopic supporting leg; the head support frame of the device is in a shape like a Chinese character 'ren', the bottom of the platform plate can be left with a space, the head support frame can extend into an airport terminal of the boarding bridge, maintenance personnel can contact equipment needing to be maintained on the platform plate, safety is greatly improved, and safety of the maintenance personnel is guaranteed.

Description

Mobile frame ladder for maintaining equipment at airport-connecting port

Technical Field

The utility model relates to an airport terminal equipment maintenance is with removing frame ladder belongs to corridor bridging airport terminal equipment maintenance is with instrument of ascending a height technical field.

Background

The airport is used for connecting a movable lifting channel between a waiting hall and an airplane. Each airport has a plurality of boarding bridge positions, namely bridges for connecting a terminal building and airplane doors. One end of the gate is connected with a certain gate of the terminal building, and the other end is buckled on the door of the airplane, so that passengers can enter the airplane through the corresponding gate. The passenger ladder car has the same function with the boarding bridge and aims at the ladder opening at the door of the airplane when passengers get on or off the airplane; the two driving motors are arranged at the top of the airport pick-up port, when the motors are damaged, workers need to maintain the airport pick-up port by using a common ladder, but the movable floor of the airport pick-up port is very narrow, the movable area of personnel is very small, the maintenance personnel cannot normally operate and maintain, the maintenance personnel can easily fall off from the airport pick-up port, and great potential safety hazards exist; the head support frame of the conventional movable ladder frame vertically connects the platform plate and the bottom frame, so that no space is reserved at the bottom of the platform plate and the platform plate cannot extend into a connecting port, an operator cannot contact a motor to be maintained on the platform plate, and the maintenance operation cannot be completed on the movable ladder frame; therefore, the movable frame ladder for repairing the airport pick-up equipment is necessary to be researched.

Disclosure of Invention

An object of the utility model is to provide an airport terminal equipment maintenance is with removing frame ladder, the device's head support frame is "people" font, can let the bottom of landing slab leave the space, can extend to the airport terminal of boarding bridge in, let maintainer just can contact the equipment that needs the maintenance on the landing slab, promoted the security greatly, ensured maintainer's safety.

A movable frame ladder for maintaining airport-receiving equipment comprises an underframe, universal wheels, a ladder frame, a middle support rod, a guardrail, a platform plate, a head support frame, a U-shaped fence, telescopic support legs, baffle plates, pin holes and a U-shaped pin shaft; universal wheels with a self-locking function are arranged at four corners of the underframe, and an upward-inclined ladder frame is arranged at the left end of the underframe; the middle part of the ladder frame is provided with a middle support rod fixed with the underframe, and two sides of the ladder frame are provided with guardrails; the top of the ladder frame is provided with a platform plate, the tail part of the platform plate is fixed with the ladder frame, and the head part of the platform plate is fixedly connected with the underframe by a head support frame; the head support frame is in a herringbone shape, the top of the head support frame is fixed with the head of the platform plate, the tip of the head support frame is fixed with the ladder frame, the bottom of the head support frame is fixed with the bottom frame, and a space matched with the aircraft port is reserved below the head of the platform plate by the head support frame; the platform plate is provided with a U-shaped fence, a baffle plate is arranged at an opening of the U-shaped fence, pin holes are respectively formed at the positions, adjacent to the baffle plate and the U-shaped fence, of the baffle plate, and U-shaped pin shafts are inserted into the pin holes; the left side and the right side below the head of the platform plate are respectively provided with a telescopic supporting leg.

Preferably, the telescopic supporting legs are in stepless adjustment.

Preferably, the telescopic supporting leg comprises a sleeve rod, a shrinking head, a spacing groove, an external thread, an inserting column, a fixing sleeve, a shrinking opening and an internal thread; the bottom end of the loop bar is provided with a shrinking head, the shrinking head is provided with a spacing groove, and the loop bar above the shrinking head is provided with an external thread; the inserted column is arranged in the loop bar; the bottom of the fixed sleeve is provided with a necking, and an internal thread is arranged above the necking.

Preferably, the head support frame is provided with a horizontally fixed beam.

The beneficial effects of the utility model reside in that a removal frame ladder is used in aircraft port equipment maintenance, the device's head support frame is "people" font, can let the bottom of landing slab leave the space, can extend to in the aircraft port of boarding bridge, lets maintenance personal just can contact the equipment that needs the maintenance on the landing slab, has promoted the security greatly, has ensured maintenance personal's safety.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the head support frame of the present invention.

Fig. 3 is a schematic view of the U-shaped rail structure of the present invention.

Fig. 4 is a schematic structural view of the telescopic leg of the present invention.

Fig. 5 is a schematic view of the fixing sleeve structure of the present invention.

In the figure, an underframe 1, universal wheels 2, a ladder frame 3, a middle support rod 4, a guardrail 5, a platform plate 6, a head support frame 7, a U-shaped fence 8, telescopic legs 9, sleeve rods 901, a reducing head 902, a spacing groove 903, external threads 904, inserting columns 905, a fixing sleeve 906, a reducing mouth 907, internal threads 908, a baffle plate 10, pin holes 11 and a U-shaped pin shaft 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

As shown in the figure, the movable frame ladder for the maintenance of the airport pickup equipment comprises an underframe 1, universal wheels 2, a ladder frame 3, a middle support rod 4, a guardrail 5, a platform plate 6, a head support frame 7, a U-shaped fence 8, telescopic support legs 9, a baffle plate 10, pin holes 11 and a U-shaped pin shaft 12; four corners of the bottom frame 1 are provided with universal wheels 2 with self-locking function, and the left end of the bottom frame 1 is provided with an upward inclined ladder frame 3; a middle support rod 4 fixed with the underframe 1 is arranged in the middle of the ladder frame 3, and guardrails 5 are arranged on two sides of the ladder frame 3; a platform plate 6 is arranged at the top of the ladder frame 3, the tail of the platform plate 6 is fixed with the ladder frame 3, and the head of the platform plate 6 is fixedly connected with the underframe 1 through a head support frame 7; the head support frame 7 is in a shape of Chinese character 'ren', the top of the head support frame is fixed with the head of the platform board 6, the tip part of the head support frame is fixed with the ladder frame 3, the bottom of the head support frame is fixed with the bottom frame 1, a space matched with the airport pick-up port is reserved below the head of the platform board 6 by the head support frame 7, the platform board 6 can extend into the airport pick-up port, a maintenance worker can repair damaged equipment on the platform board 6, and safety is improved; the platform plate 6 is provided with a U-shaped rail 8, a baffle plate 10 is arranged at an opening of the U-shaped rail 8, pin holes 11 are respectively formed in positions, adjacent to the baffle plate 10 and the U-shaped rail 8, of the baffle plate, U-shaped pin shafts 12 are inserted into the pin holes 11, the baffle plate 10 is arranged to be matched with the U-shaped rail 8, the platform plate 6, which is higher than the platform plate 6 to work, is completely enclosed and surrounded, and the maintenance personnel are prevented from falling onto the ladder frame 3 from the platform plate 6; the head below left and right sides of landing slab 6 is equipped with flexible landing leg 9 respectively, and flexible landing leg 9 supports on the raised floor who meets the aircraft nose, can prop the unsettled part of 6 heads of landing slab, lets landing slab 6 more firm, avoids dismantling the back to motor (motor weight is great), because of the weight increase suddenly of 6 heads of landing slab department, lets the utility model discloses whole unbalance production is rocked.

The utility model discloses in, the flexible landing leg 9 of considering infinitely variable control can adjust out the optimum length of landing slab 6 and machine mouthful raised floor, lets the landing slab 6 more firm that supports, so flexible landing leg 9 is infinitely variable control.

In the utility model, the telescopic leg 9 comprises a loop bar 901, a shrinking head 902, a spacing groove 903, an external thread 904, an inserting column 905, a fixed sleeve 906, a shrinking mouth 907 and an internal thread 908; the bottom end of the loop bar 901 is provided with a shrinking head 902, the shrinking head 902 is provided with a spacing groove 903, and the loop bar 901 above the shrinking head 902 is provided with an external thread 904; the inserting column 905 is arranged in the sleeve rod 901; the bottom of the fixed sleeve 906 is provided with a reducing 907, an internal thread 908 is arranged above the reducing 907, when the length of the telescopic supporting leg 9 needs to be adjusted, the fixed sleeve 906 is twisted to enable the matching of the fixed sleeve 906 and the sleeve rod 901 to be in a loose state, the inserting column 905 is pulled to the required length, and the fixed sleeve 906 is twisted to enable the fixed sleeve 906 to be tightly matched with the sleeve rod 901.

The utility model discloses in, consider that the structural stability of head support frame 7 is not enough, so be equipped with the fixed crossbeam of level on the head support frame 7.

Promote the utility model discloses, stretch into the aircraft nose with the head of landing slab in, the locking universal wheel, maintenance person steps on the ladder frame to the platform dish, closes on the baffle and locks with the round pin axle, the landing slab is surrounded by U-shaped rail, baffle, maintenance person adjusts the length of flexible landing leg on the landing slab, makes flexible landing leg support between aircraft nose movable floor and landing slab, lets the landing slab better firm, maintenance person can maintain or dismantle the motor at aircraft nose top on the landing slab.

Although the present invention has been described in detail with reference to the foregoing examples, it will be apparent to those skilled in the art that various changes and modifications can be made in the embodiments described above, or equivalent changes and modifications can be made to some of the technical features of the embodiments described above, and any changes, equivalents, and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A movable frame ladder for maintaining airport-receiving equipment comprises an underframe, universal wheels, a ladder frame, a middle support rod, a guardrail, a platform plate, a head support frame, a U-shaped fence, telescopic support legs, baffle plates, pin holes and a U-shaped pin shaft; the method is characterized in that: universal wheels with a self-locking function are arranged at four corners of the underframe, and an upward-inclined ladder frame is arranged at the left end of the underframe; the middle part of the ladder frame is provided with a middle support rod fixed with the underframe, and two sides of the ladder frame are provided with guardrails; the top of the ladder frame is provided with a platform plate, the tail part of the platform plate is fixed with the ladder frame, and the head part of the platform plate is fixedly connected with the underframe by a head support frame; the head support frame is in a herringbone shape, the top of the head support frame is fixed with the head of the platform plate, the tip of the head support frame is fixed with the ladder frame, the bottom of the head support frame is fixed with the bottom frame, and a space matched with the aircraft port is reserved below the head of the platform plate by the head support frame; the platform plate is provided with a U-shaped fence, a baffle plate is arranged at an opening of the U-shaped fence, pin holes are respectively formed at the positions, adjacent to the baffle plate and the U-shaped fence, of the baffle plate, and U-shaped pin shafts are inserted into the pin holes; the left side and the right side below the head of the platform plate are respectively provided with a telescopic supporting leg.

2. The mobile frame ladder for aircraft port equipment maintenance according to claim 1, wherein: the telescopic supporting legs are in stepless adjustment.

3. The mobile frame ladder for aircraft port equipment maintenance according to claim 2, wherein: the telescopic supporting leg comprises a sleeve rod, a telescopic head, a spacing groove, an external thread, an inserted column, a fixing sleeve, a reducing opening and an internal thread; the bottom end of the loop bar is provided with a shrinking head, the shrinking head is provided with a spacing groove, and the loop bar above the shrinking head is provided with an external thread; the inserted column is arranged in the loop bar; the bottom of the fixed sleeve is provided with a necking, and an internal thread is arranged above the necking.

4. The mobile frame ladder for aircraft port equipment maintenance according to claim 1, wherein: and a reinforcing frame which is horizontally fixed is arranged on the head supporting frame.