CN115258187A - Conveying ladder of civil aircraft cargo hold door - Google Patents
Conveying ladder of civil aircraft cargo hold door Download PDFInfo
- Publication number
- CN115258187A CN115258187A CN202210925734.5A CN202210925734A CN115258187A CN 115258187 A CN115258187 A CN 115258187A CN 202210925734 A CN202210925734 A CN 202210925734A CN 115258187 A CN115258187 A CN 115258187A
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- traction
- belt wheel
- ground
- far away
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004804 winding Methods 0.000 claims description 19
- 230000007704 transition Effects 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 2
- 208000027418 Wounds and injury Diseases 0.000 description 5
- 238000009434 installation Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F1/00—Ground or aircraft-carrier-deck installations
- B64F1/32—Ground or aircraft-carrier-deck installations for handling freight
- B64F1/324—Luggage loaders specially adapted for loading individual luggage items into or out of the aircraft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/60—Arrangements for supporting or guiding belts, e.g. by fluid jets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G21/00—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
- B65G23/02—Belt- or chain-engaging elements
- B65G23/04—Drums, rollers, or wheels
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Structure Of Belt Conveyors (AREA)
Abstract
The invention provides a conveying ladder of a goods cabin door of a civil aircraft, which comprises a conveying assembly, wherein the conveying assembly consists of a conveying belt, a driving belt wheel for driving the conveying belt to run and a driven belt wheel for supporting the conveying belt; the aircraft further comprises two traction parts which can be rolled and stored in the aircraft in one direction, the traction parts are straightened selectively, and two ends of the traction parts are respectively positioned on a cargo compartment door and the ground, so that the rollable side of the traction parts faces the ground; the two traction parts are arranged in parallel at intervals, and the driving belt wheel and the driven belt wheel are both positioned between the two traction parts; the driving belt wheel is positioned at one end of the traction part far away from the ground, and two ends of a rotating shaft of the driving belt wheel are respectively in rotating connection with the two traction parts; the driven belt wheel is positioned at one end of the traction part far away from the aircraft, and two ends of a rotating shaft of the driven belt wheel are respectively in rotating connection with the two traction parts; the problem of the conveyer among the prior art be not convenient for luggage fast loading and unloading in the aircraft warehouse is solved.
Description
Technical Field
The invention relates to the technical field of aircraft conveying equipment, in particular to a conveying ladder of a civil aircraft cargo door.
Background
An important process in aircraft operation is the loading and unloading of passenger baggage from the cargo compartment of the aircraft; the compact operating schedule imposes high demands on the efficient and rapid loading and unloading of luggage into and from the hold; baggage is typically conveyed between the ground and an entrance to an aircraft cargo bay by means of an endless belt conveyor (adjustable in height and tiltable) which may be positioned at a substantial height above the ground.
In the prior art, when baggage is carried into a cargo compartment by such a conveyor, it is generally necessary to manually handle the baggage in the baggage compartment, which requires a baggage handler to enter the cargo compartment and manually lift and move the baggage conveyed by the conveyor, generally in a narrow space; this requires personnel to lift luggage from the conveyor at the entrance to the cargo hold, resulting in a risk of injury to personnel accidentally falling from the entrance; the use of a series of individual conveyor units, each requiring its own drive and power coupling, creates a complex and expensive arrangement, with only one of the several individual conveyor units failing, rendering the entire conveyor system useless, and the conveyor being slow to install and not readily available for quick loading and unloading of baggage in the aircraft cargo hold. Therefore, it is highly desirable to provide a transportation ladder for a cargo door of a civil aircraft.
Disclosure of Invention
In view of the above, the invention provides a conveying ladder for a civil aircraft cargo hold door, which solves the problem that a conveying device in the prior art is inconvenient for quickly loading and unloading luggage in an aircraft cargo hold.
The technical scheme of the invention is realized as follows: the invention provides a conveying ladder of a goods cabin door of a civil aircraft, which comprises a conveying assembly, wherein the conveying assembly consists of a conveying belt, a driving belt wheel for driving the conveying belt to run and a driven belt wheel for supporting the conveying belt; also comprises two traction parts which can be coiled in one direction and stored in the aircraft,
the traction part is selectively straightened, and two ends of the traction part are respectively positioned on the door opening of the cargo hold and the ground, so that one side, which can be curled, of the traction part faces the ground;
the two traction parts are arranged in parallel at intervals, and the driving belt wheel and the driven belt wheel are both positioned between the two traction parts;
the driving belt wheel is positioned at one end of the traction part far away from the ground, and two ends of a rotating shaft of the driving belt wheel are respectively in rotating connection with the two traction parts;
the driven belt wheel is located the one end that the aircraft was kept away from to the traction part, and driven belt wheel's pivot both ends rotate with two traction parts respectively and are connected.
On the basis of the technical scheme, the aircraft further comprises a winding wheel, wherein the winding wheel is positioned on one side of the driving belt wheel, which is far away from the driven belt wheel, and is rotatably arranged in the aircraft; one ends, far away from the ground, of the two traction parts are hinged to the winding wheel, and the two traction parts are selectively wound on the winding wheel and the winding wheel at the same time.
On the basis of the above technical scheme, preferably, the traction part comprises a first connecting rod, a second connecting rod, a plurality of third connecting rods and a plurality of limiting blocks, wherein
The first connecting rod is hinged with the winding wheel, the second connecting rod is abutted against the ground, all the third connecting rods are uniformly distributed between the first connecting rod and the second connecting rod, and the first connecting rod, all the third connecting rods and the second connecting rod are sequentially hinged end to end;
the driving belt wheel is rotationally connected with a third connecting rod far away from the second connecting rod, and the driven belt wheel is rotationally connected with the third connecting rod far away from the first connecting rod;
each limiting block is fixedly arranged at one end of the first connecting rod close to the second connecting rod or one end of the third connecting rod close to the second connecting rod, and the limiting blocks are selectively abutted against the side face of the second connecting rod far away from the ground or the side face of the third connecting rod far away from the ground respectively.
On the basis of the above technical scheme, preferably, the limiting block is fixedly installed on a side surface of the first connecting rod far from the ground, or is fixedly installed on a side surface of any third connecting rod far from the ground.
On the basis of the above technical scheme, preferably, the limiting block is fixedly mounted on the end surface of the first connecting rod close to the second connecting rod, or any third connecting rod close to the end surface of the second connecting rod; one end of the second connecting rod, which is close to the first connecting rod, is provided with a first step matched with the limiting block; one end of the third connecting rod close to the first connecting rod is provided with a second step matched with the limiting block.
On the basis of the technical scheme, preferably, the conveying assembly further comprises a plurality of transition belt wheels for supporting the conveying belt, each transition belt wheel is located between the two traction parts and located between the driving belt wheel and the driven belt wheel, each transition belt wheel is arranged in parallel at intervals along the axial extension direction after the traction parts are straightened, and two ends of a rotating shaft of each transition belt wheel are respectively connected with the two traction parts in a rotating mode.
On the basis of the above technical solution, preferably, the aircraft further includes supporting wheels, the supporting wheels are respectively rotatably disposed at one end of the straightened towing portion, which is far away from the aircraft, and the supporting wheels selectively abut against the ground.
On the basis of above technical scheme, preferred, still include two flanges, two flanges are installed respectively on two traction portion, and when two traction portion were all straightened, two parallel intervals of flange set up, and the conveyer belt is located between two flanges.
On the basis of the technical scheme, preferably, a first groove capable of being embedded into the traction part is formed in the side face, close to the ground, of the flange, and the flange is sleeved on the traction part through the first groove.
On the basis of the technical scheme, preferably, a plurality of second grooves are formed in the side face, close to the conveying belt, of the flange, the second grooves are communicated with the first grooves, and the rotating shaft of the driving pulley and the rotating shaft of the driven pulley penetrate through the corresponding second grooves to be rotatably connected with the traction portion in the first grooves.
The invention has the following positive effects: the driving belt wheel is driven to rotate by the motor, so that the conveying belts arranged on the driving belt wheel and the driven belt wheel are driven to run, and the conveying belt between the driving belt wheel and the driven belt wheel is supported by the transition belt wheel; the conveying assembly is stored in the airplane through the two traction parts, when the conveying assembly needs to be used, two ends of the conveying belt can be respectively positioned on a cargo compartment door and the ground only by unfolding and straightening the two traction parts simultaneously, so that the goods on the ground can be conveyed into the airplane or the goods in the airplane can be conveyed to the ground; after the conveying assembly is used, the two traction parts are curled up simultaneously, and then the conveying assembly can be stored in an airplane; thereby realizing the rapid loading and unloading of goods on the airplane.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of the structure of a conveyor ladder of a civil aircraft cargo door according to the invention;
fig. 2 is a schematic view of the installation of the conveyor assembly in the conveyor ladder of a civil aircraft cargo door according to the invention;
fig. 3 is a schematic view of the installation of the tractor in the transportation ladder of a civil aircraft cargo door according to the invention;
FIG. 4 is a schematic view of example 1 of the present invention;
FIG. 5 is a schematic view of example 2 of the present invention;
fig. 6 is a schematic view of the structure of the rib in the transportation ladder of a cargo door of a civil aircraft according to the invention.
In the figure: 1. conveying component, 11, conveyer belt, 12, driving pulley, 13, driven pulley, 14, transition pulley, 2, traction part, 21, first connecting rod, 22, second connecting rod, 221, first step, 23, third connecting rod, 231, second step, 24, stopper, 3, take-up pulley, 4, supporting wheel, 5, flange, 51, first recess, 52, second recess.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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 obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1-3, the conveying ladder of the cargo door of the civil aircraft comprises a conveying assembly 1, wherein the conveying assembly 1 consists of a conveying belt 11, a driving belt pulley 12 for driving the conveying belt 11 to run and a driven belt pulley 13 for supporting the conveying belt 11; the conveying assembly 1 further comprises a plurality of transition belt wheels 14 for supporting the conveying belt 11, each transition belt wheel 14 is located between the two traction parts 2 and between the driving belt wheel 12 and the driven belt wheel 13, each transition belt wheel 14 is arranged in parallel at intervals along the axial extension direction after the traction parts 2 are straightened, and two ends of a rotating shaft of each transition belt wheel 14 are respectively in rotating connection with the two traction parts 2; the aircraft further comprises two traction parts 2 which can be rolled and stored in the aircraft in one direction, wherein the traction parts 2 are straightened selectively, and two ends of the traction parts 2 are respectively positioned on a cargo compartment door and the ground, so that the rollable side of the traction parts faces the ground; the two traction parts 2 are arranged in parallel at intervals, and the driving belt wheel 12 and the driven belt wheel 13 are both positioned between the two traction parts 2; the driving belt wheel 12 is positioned at one end of the traction part 2 far away from the ground, and two ends of a rotating shaft of the driving belt wheel 12 are respectively in rotating connection with the two traction parts 2; the driven pulley 13 is located at one end of the traction part 2 far away from the aircraft, and two ends of a rotating shaft of the driven pulley 13 are respectively connected with the two traction parts 2 in a rotating mode.
The conveying assembly 1 can adopt the prior art, a motor drives a driving belt pulley 12 to rotate, so as to drive a conveying belt 11 arranged on the driving belt pulley 12 and a driven belt pulley 13 to run, and the conveying belt 11 between the driving belt pulley 12 and the driven belt pulley 13 is supported by a transition belt pulley 14; the conveying assembly 1 is stored in the airplane through the two traction parts 2, when the conveying assembly 1 needs to be used, two ends of the conveying belt 13 can be respectively positioned on a cargo compartment door and the ground only by unfolding and straightening the two traction parts 2 simultaneously, so that the goods on the ground can be conveyed into the airplane or the goods in the airplane can be conveyed to the ground; after the conveying assembly 1 is used, the two traction parts 2 are curled up simultaneously, and then the conveying assembly can be stored in an airplane; thereby realizing the rapid loading and unloading of goods on the airplane.
Preferably, the winding wheel 3 is further included, and the winding wheel 3 is positioned on one side of the driving pulley 12 far away from the driven pulley 13 and is rotatably arranged in the aircraft; one ends of the two traction parts 2 far away from the ground are hinged with the winding wheel 3, and the two traction parts 2 are selectively and simultaneously wound on the winding wheel 3; the winding wheel 3 can adopt the prior art, and two traction parts 2 are simultaneously wound and accommodated in the airplane through the winding wheel 3, or the two traction parts 2 are simultaneously unwound and unfolded, so that the two traction parts 2 can be erected between the cargo hold door and the ground after being straightened.
Further preferably, the aircraft further comprises supporting wheels 4, the supporting wheels 4 are respectively rotatably arranged at one end, away from the aircraft, of the straightened traction part 2, and the supporting wheels 4 are selectively abutted with the ground; when the traction part 2 needs to be unfolded and straightened, the supporting wheels 4 can be abutted against the ground, and the traction part 2 is conveniently straightened by pulling the supporting wheels 4 to move on the ground in the direction away from the airplane; when the towing part 2 needs to be rolled up and stored, the towing part 2 can be rolled up conveniently by pushing the supporting wheels 4 to move on the ground in the direction approaching the airplane.
As shown in fig. 6 in combination with fig. 1, it is further preferable that the conveyor belt further includes two flanges 5, the two flanges 5 are respectively installed on the two traction portions 2, when the two traction portions 2 are both straightened, the two flanges 5 are arranged in parallel at intervals, and the conveyor belt 11 is located between the two flanges 5; a first groove 51 which can be embedded into the traction part 2 is formed in the side surface, close to the ground, of the flange 5, and the flange 5 is sleeved on the traction part 2 through the first groove 51; the side face, close to the conveying belt 11, of the rib 5 is provided with a plurality of second grooves 52, the second grooves 52 are communicated with the first grooves 51, and the rotating shaft of the driving pulley 12, the rotating shaft of the driven pulley 13 and the rotating shaft of the transition pulley 14 penetrate through the corresponding second grooves 52 to be rotatably connected with the traction part 2 in the first grooves 51. The flanges 5 are arranged to directly fall off from two sides of the conveyer belt 11 when goods are placed on the conveyer belt 11 for transportation, the flanges 5 can be sleeved on the traction part 2 after the traction part 2 is straightened, and the flanges 5 are detached from the traction part 2 before the traction part 2 is curled; the rib 5 can also be made of a flexible material with a stretching capacity, which can be curled together with the rib 5 when curling the traction part 2.
Example 1:
as shown in figure 4 in conjunction with figure 3,
the traction part 2 comprises a first connecting rod 21, a second connecting rod 22, a plurality of third connecting rods 23 and a plurality of limiting blocks 24, the first connecting rod 21 is hinged with the winding wheel 3, the second connecting rod 22 is abutted against the ground, the third connecting rods 23 are uniformly distributed between the first connecting rod 21 and the second connecting rod 22, and the first connecting rod 21, the third connecting rods 23 and the second connecting rod 22 are sequentially hinged end to end; the driving pulley 12 is rotationally connected with a third connecting rod 23 far away from the second connecting rod 22, and the driven pulley 13 is rotationally connected with the third connecting rod 23 far away from the first connecting rod 21; each limiting block 24 is fixedly mounted at one end of the first connecting rod 21 close to the second connecting rod 22 or one end of the third connecting rod 23 close to the second connecting rod 22, and the limiting blocks 24 are selectively abutted with the side surface of the second connecting rod 22 far away from the ground or the side surface of the third connecting rod 23 far away from the ground. The first connecting rod 21, each third connecting rod 23 and the second connecting rod 22 are sequentially wound on the winding wheel 3 through the rotation of the winding wheel 3, or the second connecting rod 22, each third connecting rod 23 and the first connecting rod 21 are sequentially unfolded; the supporting wheel 4 is rotatably arranged at one end of the second connecting rod 22 far away from the first connecting rod 21; each third connecting rod 23 and each limiting block 24 can be accommodated in the first groove 51 on the flange 5; the driving pulley 12, the driven pulley 13 and each transition pulley 14 are rotatably disposed on the corresponding third link 23.
Preferably, the limiting block 24 is fixedly installed on the side surface of the first connecting rod 21 far away from the ground, or is fixedly installed on the side surface of any third connecting rod 23 far away from the ground; after traction portion 2 straightens, the side that second connecting rod 22 kept away from ground and adjacent stopper 24 are close the side butt on ground, and the side that third connecting rod 23 kept away from ground and adjacent stopper 24 are close the side butt on ground to make traction portion 2 after straightening, must not be crooked towards the direction of keeping away from ground, make traction portion 2 can straight sloping between cargo hold gate and ground.
Example 2:
as shown in fig. 5 and fig. 3, the embodiment 2 is substantially the same as the embodiment 1, and is not repeated herein, except that:
the limiting block 24 is fixedly arranged on the end face of the first connecting rod 21 close to the second connecting rod 22, or any one of the third connecting rods 23 close to the end face of the second connecting rod 22; one end of the second connecting rod 22 close to the first connecting rod 21 is provided with a first step 221 matched with the limiting block 24; one end of the third connecting rod 23 close to the first connecting rod 21 is provided with a second step 231 matched with the limiting block 24. After the traction part 2 is straightened, the first step 221 abuts against the adjacent limiting block 24, and the second step 231 abuts against the adjacent limiting block 24, so that the traction part 2 cannot be bent towards the direction far away from the ground after being straightened, and the traction part 2 can be straightly and obliquely erected between the cargo compartment door opening and the ground.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.
Claims (10)
1. A conveying ladder of a civil aircraft cargo door comprises a conveying assembly (1), wherein the conveying assembly (1) consists of a conveying belt (11), a driving belt wheel (12) for driving the conveying belt (11) to run and a driven belt wheel (13) for supporting the conveying belt (11); the method is characterized in that: the aircraft further comprises two traction parts (2) which can be rolled and stored in the aircraft in one direction;
the traction part (2) is selectively straightened, and two ends of the traction part are respectively positioned on a door of the cargo hold and the ground, so that the rollable side of the traction part faces the ground;
the two traction parts (2) are arranged in parallel at intervals, and the driving belt wheel (12) and the driven belt wheel (13) are both positioned between the two traction parts (2);
the driving belt wheel (12) is positioned at one end of the traction part (2) far away from the ground, and two ends of a rotating shaft of the driving belt wheel (12) are respectively in rotating connection with the two traction parts (2);
the driven belt wheel (13) is positioned at one end of the traction part (2) far away from the aircraft, and two ends of a rotating shaft of the driven belt wheel (13) are respectively in rotating connection with the two traction parts (2).
2. A conveyor ladder for a civil aircraft cargo door according to claim 1, characterised in that: the winding wheel (3) is positioned on one side, away from the driven belt wheel (13), of the driving belt wheel (12) and is rotatably arranged in the aircraft; one ends of the two traction parts (2) far away from the ground are hinged with the winding wheel (3), and the two traction parts (2) are selectively wound on the winding wheel (3) at the same time.
3. A transfer ladder for a civil aircraft cargo door according to claim 2, characterised in that: the traction part (2) comprises a first connecting rod (21), a second connecting rod (22), a plurality of third connecting rods (23) and a plurality of limiting blocks (24), wherein,
the first connecting rod (21) is hinged with the winding wheel (3), the second connecting rod (22) is abutted against the ground, all the third connecting rods (23) are uniformly distributed between the first connecting rod (21) and the second connecting rod (22), and the first connecting rod (21), all the third connecting rods (23) and the second connecting rod (22) are sequentially hinged end to end;
the driving belt wheel (12) is rotationally connected with a third connecting rod (23) far away from the second connecting rod (22), and the driven belt wheel (13) is rotationally connected with the third connecting rod (23) far away from the first connecting rod (21);
each limiting block (24) is fixedly arranged at one end of the first connecting rod (21) close to the second connecting rod (22) or one end of the third connecting rod (23) close to the second connecting rod (22), and the limiting blocks (24) are selectively abutted against the side face of the second connecting rod (22) far away from the ground or the side face of the third connecting rod (23) far away from the ground.
4. A conveyor ladder for a civil aircraft cargo door according to claim 3, characterised in that: the limiting block (24) is fixedly arranged on the side face, far away from the ground, of the first connecting rod (21) or fixedly arranged on the side face, far away from the ground, of any third connecting rod (23).
5. A conveyor ladder for a civil aircraft cargo door according to claim 3, characterised in that: the limiting block (24) is fixedly arranged on the end face, close to the second connecting rod (22), of the first connecting rod (21), or any third connecting rod (23) is close to the end face of the second connecting rod (22); one end of the second connecting rod (22) close to the first connecting rod (21) is provided with a first step (221) matched with the limiting block (24); one end of the third connecting rod (23) close to the first connecting rod (21) is provided with a second step (231) matched with the limiting block (24).
6. A conveyor ladder for a civil aircraft cargo door according to claim 1, characterised in that: conveying assembly (1) still includes transition band pulley (14) of a plurality of support conveyer belts (11), and each transition band pulley (14) all is located between two traction portion (2) to be located between driving pulley (12) and driven pulley (13), and each transition band pulley (14) straightens the parallel interval setting in axial direction of extension after back along traction portion (2), and the pivot both ends of transition band pulley (14) are connected with two traction portion (2) rotations respectively.
7. A conveyor ladder for a civil aircraft cargo door according to claim 1, characterised in that: still include supporting wheel (4), supporting wheel (4) rotate respectively and set up in the one end of keeping away from the aircraft of traction portion (2) after straightening, and supporting wheel (4) selectivity and ground butt.
8. A transfer ladder for a civil aircraft cargo door according to claim 1, characterised in that: still include two flanges (5), two flanges (5) are installed respectively on two traction portion (2), and when two traction portion (2) were all straightened, two parallel intervals of flange (5) set up, and conveyer belt (11) are located between two flanges (5).
9. A transfer ladder for a civil aircraft cargo door according to claim 8, characterised in that: the side face, close to the ground, of the flange (5) is provided with a first groove (51) capable of being embedded into the traction part (2), and the flange (5) is sleeved on the traction part (2) through the first groove (51).
10. A conveyor ladder for a civil aircraft cargo door according to claim 9, characterised in that: a plurality of second grooves (52) are formed in the side face, close to the conveying belt (11), of the flange (5), the second grooves (52) are communicated with the first grooves (51), and the rotating shaft of the driving belt wheel (12) and the rotating shaft of the driven belt wheel (13) penetrate through the corresponding second grooves (52) to be rotatably connected with the traction portion (2) in the first grooves (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210925734.5A CN115258187A (en) | 2022-08-03 | 2022-08-03 | Conveying ladder of civil aircraft cargo hold door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210925734.5A CN115258187A (en) | 2022-08-03 | 2022-08-03 | Conveying ladder of civil aircraft cargo hold door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115258187A true CN115258187A (en) | 2022-11-01 |
Family
ID=83747554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210925734.5A Pending CN115258187A (en) | 2022-08-03 | 2022-08-03 | Conveying ladder of civil aircraft cargo hold door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115258187A (en) |
-
2022
- 2022-08-03 CN CN202210925734.5A patent/CN115258187A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3337066A (en) | Vehicle loading and unloading apparatus | |
| US4593810A (en) | Mechanical handling apparatus | |
| US4643299A (en) | Telescopic belt conveyor | |
| US5156518A (en) | Truck bed unloading device | |
| EP0287559B1 (en) | Device for moving goods in the cargo space of an aircraft | |
| US10486905B1 (en) | System for loading and unloading an airplane | |
| CN108793019B (en) | Mechanical goods van unloading equipment | |
| CN106114867B (en) | Unmanned aerial vehicle cargo hold | |
| JP2022533923A (en) | A system with an automated lift assembly and process for loading and unloading cargo from a delivery vehicle | |
| US6520445B2 (en) | Coil wrapping machine | |
| US4186901A (en) | Cargo ramp hoist mechanism | |
| CN115258187A (en) | Conveying ladder of civil aircraft cargo hold door | |
| US5201406A (en) | Belt winder | |
| US5163801A (en) | Cargo loading device for an airplane | |
| CN112830108A (en) | Novel container with lifting and carrying functions | |
| CN213864486U (en) | Unloading device | |
| CN115057259B (en) | Automatic loading and unloading vehicle system | |
| US7410128B2 (en) | Transport device in cargo spaces in aircrafts | |
| CN101707923A (en) | Device for moving objects, intended, in particular, for luggage in an aircraft hold | |
| DE3574007D1 (en) | System for storing and processing strip material | |
| CN216443621U (en) | Chemical material transport trolley | |
| CN219448596U (en) | Loading and unloading special equipment with protective structure | |
| CN221586811U (en) | Roller machine for conveying goods | |
| CN215161116U (en) | Small-size hospital sewage treatment device's handling device | |
| CN217416991U (en) | Auxiliary unloading device for logistics transport vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |