CN115853414A

CN115853414A - Aviation ladder frame with elevation structure

Info

Publication number: CN115853414A
Application number: CN202211491423.9A
Authority: CN
Inventors: 蒋京涛; 傅岳华; 黄伟峰
Original assignee: Spring Airlines Technology Development Jiangsu Co ltd
Current assignee: Spring Airlines Technology Development Jiangsu Co ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-03-28

Abstract

The invention discloses an aviation ladder frame with a lifting structure, which comprises an installation base, wherein a lifting platform mechanism comprises a rotating mechanism embedded in the installation base, a threaded rotating column is rotatably connected onto the rotating mechanism, a threaded sleeve is slidably connected onto the threaded rotating column, the other end of the threaded sleeve is connected with a top plate, a supporting plate is fixedly arranged at the middle position of the threaded sleeve, lifting rods are symmetrically arranged on the supporting plate, and the lifting rods penetrate through the top plate and are detachably provided with a working platform. According to the invention, through the lifting platform mechanism, a worker goes up to the working platform through the step mechanism, and then drives the rotating shaft to rotate through rotating the motor, so that the driving gear drives the driven gear to rotate, the threaded rotating column rotates, and then the threaded sleeve is arranged on the threaded rotating column to slide upwards, so that the supporting plate drives the lifting rod to lift the working platform upwards, and therefore, maintenance and repair are carried out on different heights of the airplane.

Description

Aviation ladder frame with elevation structure

Technical Field

The invention relates to the technical field of aviation ladders, in particular to an aviation ladder with a lifting structure.

Background

When a worker maintains the airplane, the worker needs to use an aviation ladder to lift the working height, and repair or maintain parts of the airplane.

Through retrieval, it is found that an aviation ladder frame in the prior art is typically a ladder based on aircraft machinery maintenance as disclosed in publication No. CN211623292U, and the ladder comprises a first platform, wherein a lower ladder frame is rotatably mounted on one side of the first platform, a lower pedal is rotatably mounted on the lower ladder frame, the other end of the lower pedal is rotatably mounted on a first pulling plate, a first support is movably mounted in the middle of the first pulling plate, and the other end of the first support is fixedly mounted on a first push rod. The utility model discloses an install first platform and second platform, there is the lifter in one side fixed mounting of first platform and second platform, and at first platform, second platform and work platform's middle part fixed mounting has first telescopic link, first lifter, second telescopic link and second lifter, the work platform of being convenient for goes up and down along with the height of maintenance, the staff of being convenient for is when using the ladder, accomplish corresponding maintenance work under the prerequisite of assurance staff's safety, the practicality and the reliability of ladder itself have been strengthened.

To sum up, current aviation ladder frame staff when using, because the aforesaid mentions current aviation ladder frame when using, because the structure is comparatively single and leads to not having this good barrier propterty to the staff when using, and foretell aviation ladder frame uses because the below has only set up the universal wheel, though the universal wheel can lock to but because too little with the ground contact surface, so lead to the staff to arrange the upper end in and carry out the maintenance operation in, the condition that can appear rocking takes place to lead to taking place certain danger easily, lead to the staff to fall from the height.

Disclosure of Invention

The invention aims to provide an aviation ladder frame with a lifting structure, which aims to solve the problem that when the existing aviation ladder frame is used by workers in the prior art, the existing aviation ladder frame is single in structure, so that the existing aviation ladder frame does not have good protection performance for the workers when in use, and because the universal wheels are arranged below the existing aviation ladder frame, although the universal wheels can be locked, the contact surface of the universal wheels with the ground is too small, the situation that the workers shake when in maintenance operation on the upper end can occur, so that certain danger is easily caused, and the workers fall from the height.

In order to achieve the purpose, the invention provides the following technical scheme: an aviation ladder frame with a lifting structure comprises an installation base, wherein supporting and stabilizing mechanisms are detachably installed on two sides of the installation base, a lifting platform mechanism is detachably installed on one side of the upper end of the installation base, and a ladder mechanism is detachably installed on the other side of the upper end of the installation base;

the elevating platform mechanism includes that the embedded slewing mechanism who installs at the installation base, slewing mechanism goes up to rotate and is connected with the screw thread rotary column, sliding connection has the screw thread sleeve on the screw thread rotary column, and the telescopic other end of screw thread is connected with the roof, screw thread sleeve's intermediate position department fixed mounting has the backup pad, the lifter is installed to the symmetry in the backup pad, the lifter runs through the roof and dismantles and install work platform.

Preferably, slewing mechanism includes that the dismantlement is installed at the rotation motor of installation base upper end, and the outside dismantlement of rotating the motor installs the protection casing, and rotates the motor and run through the installation base through the axis of rotation and arrange internal rotation in and be connected with the driving gear, and the both sides meshing of driving gear has driven gear, and driven gear runs through to the bottom of screw thread rotary column.

Through the technical scheme: the driving gear is driven to rotate by rotating the motor, so that the driven gear is driven to rotate the threaded rotary column.

Preferably, the work platform is formed by welding the base and three netted baffles, and one side of the work platform is provided with an opening and closing door towards the inner side.

Through the technical scheme: make workman's personnel conveniently enter into the work platform through the door that opens and shuts that the inboard was seted up and carry out the maintenance operation.

Preferably, the lower end four corners of the working platform are detachably provided with limiting guide rods, and the lower ends of the limiting guide rods penetrate through the top plate and are connected with anti-falling blocks.

Through the technical scheme: when the working platform is lifted by arranging the limiting guide rod, the dislocation can not occur.

Preferably, the universal wheel is fixedly installed on one side of the lower end of the installation base, the power storage source is installed on one side, where the universal wheel is arranged, of the installation base in a dismounting mode, and the electric wheel is installed on one side, away from the universal wheel, of the lower end of the installation base in a dismounting mode.

Through the technical scheme: the whole mechanism is driven to move through the electric wheels, and energy power is provided for the aviation ladder frame through the power storage source.

Preferably, support stabilizing mean and include fixed mounting at installation base both sides U type grip block, and the centre gripping of the intermediate position department of U type grip block has the dwang, and the upper end of U type grip block is dismantled and is installed the second and rotate the motor, and the second rotates the motor and runs through U type grip block and dwang through the second axis of rotation.

Through the technical scheme: rotate the motor through the second and drive the second dwang and arrange in the U type grip block and rotate to the realization is accomodate and is placed.

Preferably, the one end downside of dwang is dismantled and is installed the fixed plate, and the lower extreme fixed mounting of fixed plate has the hydraulic stem, and the lower extreme of hydraulic stem is dismantled and is installed and stabilize the seat, and the lower extreme one deck fixed mounting that stabilizes the seat has the rubber layer, and the surperficial salient on rubber layer has a plurality of granules.

Through the technical scheme: the stabilizing seat is driven by the hydraulic rod to be in contact with the ground, so that the stability of the whole device is kept, and the rubber layer fixedly arranged at the lower end of the stabilizing seat can increase the friction force between the rubber layer and the ground, so that the stability can be better kept, and the sliding condition is prevented from being generated.

Preferably, the ladder mechanism comprises a bearing rod fixedly installed on one side of the upper end of the installation base, an inclined baffle is welded to the upper end of the bearing rod, and a plurality of pedals are welded to the inclined baffle.

Through the technical scheme: the pedal enables workers to climb and also can have a maintenance height to stand on the pedal to maintain and repair the airplane.

Preferably, the surface layer of the pedal is adhered with an anti-slip film.

Through the technical scheme: the antiskid film adhered to the surface of the pedal prevents the worker from slipping above the pedal.

Compared with the prior art, the invention has the beneficial effects that: the aviation ladder frame with the lifting structure is provided with a plurality of lifting structures,

(1) The invention aims to solve the problems that when an existing aviation ladder frame is used by workers, the existing aviation ladder frame does not have good protection performance for the workers due to a single structure, and when the existing aviation ladder frame is used, only universal wheels are arranged below the existing aviation ladder frame, although the universal wheels can be locked, the universal wheels are too small in contact surface with the ground, so that when the workers are placed at the upper end to perform maintenance operation, shaking can occur, certain danger is easily caused, and the workers fall from the height.

(2) The net-shaped baffle and the opening and closing door are welded around the working platform, so that a worker can be installed more conveniently during maintenance of the airplane when the worker is placed above the working platform, the airplane is not easy to fall off, and the personal safety is guaranteed.

(3) According to the invention, through the arrangement of the supporting and stabilizing mechanism, before the aerial ladder is used, the second rotating shaft is driven to rotate through the second rotating motor, so that the rotating rod is driven to be released, the stabilizing seat is further driven to be in contact with the ground through the hydraulic rod, and the friction force between the stabilizing seat and the ground can be increased through the rubber layer at the lower end of the stabilizing seat and the plurality of particles attached to the rubber layer, so that the stability of the aerial ladder during use can be more effectively ensured, and the situation that an upper end worker falls off due to the shaking of the aerial ladder frame is prevented.

(4) According to the invention, through the ladder mechanism, when maintenance and repair are carried out at a relatively lower position, a worker can stand to the upper side, and repair the crossed bottom position relatively to the position where the herringbone ladder is used, so that the maintenance and repair are more convenient and more stable, and the occurrence of an event that engine oil falls to the pedal and the worker steps on the pedal can be prevented through the anti-slip film adhered on the pedal.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic structural diagram of the elevating platform mechanism of the present invention;

FIG. 3 is a schematic perspective view of a work platform according to the present invention;

FIG. 4 is a schematic view of the rotating mechanism of the present invention;

FIG. 5 is a schematic structural view of a supporting and stabilizing mechanism of the present invention;

FIG. 6 is a schematic view of the pedal structure of the present invention;

FIG. 7 is an enlarged view of the structure of the present invention at A.

In the figure: 1. installing a base; 101. a universal wheel; 102. a power storage source; 103. an electric wheel; 2. a support stabilizing mechanism; 201. a U-shaped clamping block; 202. rotating the rod; 203. a second rotating electric machine; 204. a second rotating shaft; 205. a fixing plate; 206. a hydraulic lever; 207. a stabilizing base; 208. a rubber layer; 3. a lifting table mechanism; 301. a rotating mechanism; 302. rotating the column by the screw thread; 303. a threaded sleeve; 304. a top plate; 305. a support plate; 306. a lifting rod; 307. a working platform; 308. rotating the motor; 309. a protective housing; 310. a rotating shaft; 311. a driving gear; 312. a driven gear; 313. opening and closing the door; 314. a limiting guide rod; 4. a step mechanism; 401. a load-bearing bar; 402. a bevel baffle plate; 403. a pedal; 404. an anti-slip film.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides an aviation ladder frame with elevation structure, according to fig. 1, including installation base 1, lower extreme one side fixed mounting of installation base 1 has universal wheel 101, and install one side dismantlement installation that universal wheel 101 was arranged in to base 1 and have storage power source 102, and one side dismantlement installation that universal wheel 101 was kept away from to the lower extreme of installation base 1 has electronic round 103, during the use, through the direction control of universal wheel 101 when installation base 1 lower extreme removes aviation ladder frame, and can supply power to equipment in the aviation ladder frame through storage power source 102, and move with electronic round 130 drive aviation ladder frame.

According to fig. 1, 5 and 7, the two sides of the installation base 1 are detachably installed with the supporting and stabilizing mechanisms 2, the supporting and stabilizing mechanisms 2 comprise U-shaped clamping blocks 201 fixedly installed on the two sides of the installation base 1, a rotating rod 202 is clamped in the middle of the U-shaped clamping blocks 201, the upper ends of the U-shaped clamping blocks 201 are detachably installed with a second rotating motor 203, the second rotating motor 203 penetrates through the U-shaped clamping blocks 201 and the rotating rod 202 through a second rotating shaft 204, a fixing plate 205 is detachably installed on the lower side of one end of the rotating rod 202, a hydraulic rod 206 is fixedly installed at the lower end of the fixing plate 205, a stabilizing seat 207 is detachably installed at the lower end of the hydraulic rod 206, a rubber layer 208 is fixedly installed at the lower end of the stabilizing seat 207, and a plurality of particles protrude from the surface of the rubber layer 208, before the use of the present invention, the second rotating motor 203 drives the second rotating shaft 204 to rotate, the rotating rod 202 is further rotated and unfolded, after the use of the present invention, the stabilizing seat 207 is driven to descend to be in close contact with the ground, further, the lower end of the stabilizing seat 207, the rubber layer 208 fixedly installed, the rubber layer 208, the particles are protruded from the ground, and the ground, so that the whole working stability of the working condition of the working seat can be increased, and the working stability of the working force of the present invention can be prevented from falling, and the working condition of the present invention, thereby, and the working condition of the stable seat, can be generated.

According to fig. 1, 2, 3 and 4, a lifting table mechanism 3 is detachably installed on one side of the upper end of an installation base 1, the lifting table mechanism 3 comprises a rotating mechanism 301 which is embedded in the installation base 1, a threaded rotary column 302 is rotatably connected to the rotating mechanism 301, a threaded sleeve 303 is slidably connected to the threaded rotary column 302, the other end of the threaded sleeve 303 is connected with a top plate 304, a support plate 305 is fixedly installed at the middle position of the threaded sleeve 303, lifting rods 306 are symmetrically installed on the support plate 305, the lifting rods 306 penetrate through the top plate 304 and are detachably installed with a working platform 307, the rotating mechanism 301 comprises a rotating motor 308 detachably installed on the upper end of the installation base 1, a protective shell 309 is detachably installed outside the rotating motor 308, the rotating motor 308 penetrates through a rotating shaft 310 and is arranged inside the installation base 1 and is rotatably connected with a driving gear 311, driven gears 312 are meshed at two sides of the driving gear 311, the driven gears 312 penetrate through the bottom end of the threaded rotary column 302, the driving gear 308 drives the driving gear to rotate, the driving gear 311 drives the driving gear 311 to rotate, thereby driving the driven gear 311 to rotate the threaded rotary column 302, the threaded rotary column 303 is arranged on the threaded rotary column 303, thereby driving the lifting rod 306 to move upwards, and the lifting sleeve 307 is driven by the rotating motor 308, thereby lifting rod 305;

further, work platform 307 is formed by base and the welding of three netted baffles, and opening and shutting door 313 has been seted up to one side of work platform 307 to the inboard, the lower extreme four corners position department of work platform 307 dismantles and installs spacing guide bar 314, and the lower extreme of spacing guide bar 314 runs through roof 304 and is connected with the anticreep piece, netted baffle through the work platform 307 outside can make the staff stand to the condition emergence that the upper side can effectually prevent to appear falling, staff's security has been ensured, and then setting through spacing guide bar 314 can be spacing to the rising or the decline of work platform 307, prevent that overweight and the incident of dislocation from taking place on one side, it is safer when getting into to make the staff through opening and shutting door 313 of seting up to the inboard.

According to fig. 1 and fig. 6, the other side of the upper end of the installation base 1 is detachably installed with the step mechanism 4, the step mechanism 4 comprises a bearing rod 401 fixedly installed on one side of the upper end of the installation base 1, an inclined baffle 402 is welded on the upper end of the bearing rod 401, a plurality of pedals 403 are welded on the inclined baffle 402, an antiskid film 404 is adhered on the surface layer of each pedal 403, when the step mechanism is used, a worker can stand on the corresponding pedal 403 to operate and maintain when the position of the aircraft is low during maintenance, and further when the working platform 307 is needed, the operation is carried out on the working platform 307 through the plurality of pedals 403 welded on the inclined baffle 402, and the antiskid film 404 adhered on the surface of the corresponding pedal 403 can effectively prevent engine oil during maintenance from appearing on the pedal, and the occurrence of an event that the worker steps on the pedal and is injured.

Those not described in detail in this specification are well within the skill of the art.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for simplicity of description only and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operative in a particular orientation, and are not to be considered limiting of the claimed invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an aviation ladder with elevation structure, includes installation base (1), its characterized in that: the supporting and stabilizing mechanism (2) is detachably mounted on two sides of the mounting base (1), the lifting platform mechanism (3) is detachably mounted on one side of the upper end of the mounting base (1), and the step mechanism (4) is detachably mounted on the other side of the upper end of the mounting base (1);

elevating platform mechanism (3) include embedded slewing mechanism (301) of installing in installation base (1), slewing mechanism (301) are gone up to rotate and are connected with screw thread rotary column (302), sliding connection has screw thread sleeve (303) on screw thread rotary column (302), and the other end and roof (304) of screw thread sleeve (303) are connected, fixed mounting is located to the intermediate position of screw thread sleeve (303) has backup pad (305), lifter (306) are installed to the symmetry on backup pad (305), lifter (306) run through roof (304) and dismantle and install work platform (307).

2. An aviation ladder assembly with a lifting structure as claimed in claim 1, wherein: slewing mechanism (301) are including dismantling to install rotating motor (308) in installation base (1) upper end, and rotate the outside dismantlement of motor (308) and install protection casing (309), and rotate motor (308) and run through installation base (1) through axis of rotation (310) and arrange internal rotation in and be connected with driving gear (311), and the both sides meshing of driving gear (311) has driven gear (312), and driven gear (312) run through to the bottom of screw thread rotary column (302).

3. An aviation ladder assembly with a lifting structure as claimed in claim 1, wherein: work platform (307) are formed by base and three netted baffles welding, and open and shut door (313) have been seted up to one side inboard of work platform (307).

4. An aviation ladder assembly with a lifting structure as claimed in claim 1, wherein: the lower end four corners of the working platform (307) are detachably provided with limiting guide rods (314), and the lower ends of the limiting guide rods (314) penetrate through the top plate (304) and are connected with anti-falling blocks.

5. An aviation ladder assembly with a lifting structure as claimed in claim 1, wherein: the universal wheel (101) is fixedly mounted on one side of the lower end of the mounting base (1), the power storage source (102) is detachably mounted on one side, where the universal wheel (101) is arranged, of the mounting base (1), and the electric wheel (103) is detachably mounted on one side, away from the universal wheel (101), of the lower end of the mounting base (1).

6. An aviation ladder assembly with a lifting structure as claimed in claim 1, wherein: support stabilizing mean (2) and include fixed mounting at installation base (1) both sides U type grip block (201), and the intermediate position department centre gripping of U type grip block (201) has dwang (202), and the upper end dismantlement of U type grip block (201) installs the second and rotates motor (203), and the second rotates motor (203) and runs through U type grip block (201) and dwang (202) through second axis of rotation (204).

7. An aviation ladder assembly with a lifting structure as claimed in claim 1, wherein: the one end downside of dwang (202) is dismantled and is installed fixed plate (205), and the lower extreme fixed mounting of fixed plate (205) has hydraulic stem (206), and the lower extreme of hydraulic stem (206) is dismantled and is installed and stabilize seat (207), and the lower extreme one deck fixed mounting who stabilizes seat (207) has rubber layer (208), and the surperficial salient of rubber layer (208) has a plurality of granules.

8. An aviation ladder assembly with a lifting structure as claimed in claim 1, wherein: step gear (4) are including fixed mounting in bearing bar (401) of installation base (1) upper end one side, and the upper end welding of bearing bar (401) has inclined plane baffle (402), and the welding has a plurality of footboards (403) on inclined plane baffle (402).

9. An aviation ladder assembly with a lifting structure as claimed in claim 1, wherein: the surface layer of the pedal (403) is adhered with an anti-slip film (404).