CN116118598B - Hydraulic emergency evacuation system for aviation food vehicle - Google Patents
Hydraulic emergency evacuation system for aviation food vehicle Download PDFInfo
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- CN116118598B CN116118598B CN202310271810.XA CN202310271810A CN116118598B CN 116118598 B CN116118598 B CN 116118598B CN 202310271810 A CN202310271810 A CN 202310271810A CN 116118598 B CN116118598 B CN 116118598B
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- 238000004804 winding Methods 0.000 claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 238000003860 storage Methods 0.000 claims abstract description 6
- 229910000639 Spring steel Inorganic materials 0.000 claims description 23
- 230000006835 compression Effects 0.000 claims description 19
- 238000007906 compression Methods 0.000 claims description 19
- 238000005096 rolling process Methods 0.000 claims description 11
- 238000003825 pressing Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 32
- 238000003780 insertion Methods 0.000 description 9
- 230000037431 insertion Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000007789 sealing Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 108010066057 cabin-1 Proteins 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P1/00—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
- B60P1/36—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading using endless chains or belts thereon
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- 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
- B64F1/326—Supply vehicles specially adapted for transporting catering to and loading into the aircraft
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
- Handcart (AREA)
Abstract
The invention relates to the technical field of aviation food vehicles and discloses a hydraulic emergency evacuation system of an aviation food vehicle, which comprises a carriage, wherein an emergency outlet is formed in the side surface of the carriage, a movable door is movably arranged on the emergency outlet, a horizontal storage groove for placing the movable door is formed in the inner side of the top of the carriage, a transmission mechanism is arranged at the side of the movable door, and a hydraulic conveyor is arranged at the bottom of the emergency outlet and is used for outwards opening to form a conveying channel so as to convey food boxes in the carriage. According to the hydraulic emergency evacuation system for the aviation food vehicle, the first hydraulic telescopic rod stretches out and stretches out, the pulling winding drum rotates, the soft belt stretches out and straightens, the soft belt is used for receiving materials, the end part of the soft belt is locked by the nut and can be detached, worn and damaged soft belt parts can be conveniently and directly cut off, and the soft belt on the pulling winding drum is directly installed.
Description
Technical Field
The invention relates to the technical field of aviation food vehicles, in particular to a hydraulic emergency evacuation system of an aviation food vehicle.
Background
The aviation food vehicle belongs to an airport special vehicle and is used for catering special for a passenger plane, and comprises a chassis and an upper assembly part, wherein the upper assembly part comprises a carriage body for storing food and a four-way platform arranged on one side of the carriage body; the chassis is connected with the upper assembly part through the fork frame, and the hydraulic cylinder arranged on the chassis can drive the fork frame to ascend so that the upper assembly part is close to the cabin door of the airplane, and therefore food is conveyed to the airplane or the food on the airplane is evacuated.
When the aviation food car is unloaded, stretch into the carriage body through utilizing the transportation area that temporarily erects and carry, this process is complicated, need the staff, still need carry the food case manual work to the belt on, but meet the inseparable condition (the temporary stop condition in airport, temporary change goods etc.), when needing quick loading and unloading, then this is obviously wasted time and energy, because current food car function singleness, degree of automation is low, can not withdraw food fast, can't emergency treatment such condition, for this reason, we propose the emergent evacuation system of aviation food car hydraulic pressure.
Disclosure of Invention
The invention mainly aims to provide a hydraulic emergency evacuation system for an aviation food vehicle, which can effectively solve the technical problems of time and labor waste in emergency treatment in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the hydraulic emergency evacuation system for the aviation food vehicle comprises a carriage, an emergency outlet is formed in the side face of the carriage, a movable door is movably arranged on the emergency outlet, a horizontal storage groove for placing the movable door is formed in the inner side of the top of the carriage, and a transmission mechanism is arranged at the side of the movable door.
As a preferred scheme of the hydraulic emergency evacuation system of the aviation food vehicle, the invention comprises the following steps: the transmission mechanism comprises a crank, a first connecting rod, a second connecting rod and a swinging rod, wherein a driving shaft is arranged at one end part of the crank, the driving shaft drives the crank to rotate, the other end part of the crank is hinged with the bottom of the side face of the movable door, the middle part of the crank is hinged with the first connecting rod, the end parts of the first connecting rod, the second connecting rod and the swinging rod are hinged at the same position, the other end of the second connecting rod is hinged at the middle part of the side face of the movable door, the other end part of the swinging rod is hinged at the top of the side face of the movable door, and a hydraulic conveyor is arranged at the bottom of the emergency outlet and used for outwards opening to form a conveying channel so as to convey food boxes in a carriage.
As a preferred scheme of the hydraulic emergency evacuation system of the aviation food vehicle, the invention comprises the following steps: the hydraulic conveyor comprises a hinged support, first hydraulic cylinders, first double-head oil supply tanks, flexible oil pipes and first hydraulic telescopic rods, wherein the hinged support is fixedly arranged at the inner side edge position of an emergency outlet in two groups, the first hydraulic cylinders are respectively and rotatably arranged on the hinged support, the first double-head oil supply tanks are arranged between the first hydraulic cylinders, the first double-head oil supply tanks are respectively communicated with the first hydraulic cylinders through the two groups of flexible oil pipes, and the first hydraulic telescopic rods are arranged in the first hydraulic cylinders.
As a preferred scheme of the hydraulic emergency evacuation system of the aviation food vehicle, the invention comprises the following steps: the hydraulic conveyor further comprises an L-shaped connecting rod, connecting bearings, a winding drum, connecting clamping grooves and a soft belt, wherein the L-shaped connecting rod is symmetrically welded on the exposed parts of the two groups of first hydraulic telescopic rods, the connecting bearings are fixedly connected to the L-shaped connecting rod, connectors of the connecting bearings are clamped in the connecting clamping grooves, the two groups of the L-shaped connecting rod are connected with the winding drum through the connecting bearings, the soft belt is wound on the winding drum and stretched out from the winding drum, and the edge of the stretched soft belt is fixed on the locking seat.
As a preferred scheme of the hydraulic emergency evacuation system of the aviation food vehicle, the invention comprises the following steps: the upper end of the locking seat is provided with a curved surface, the curved surface is welded on the bottom of the first hydraulic cylinder, three groups of bolts are fixed on the inner side surface of the locking seat at equal intervals, the three groups of bolts are screwed by using locking nuts after the soft belt is threaded, and gaskets are arranged between the soft belt and the locking nuts.
As a preferred scheme of the hydraulic emergency evacuation system of the aviation food vehicle, the invention comprises the following steps: wheel grooves are formed in the inner side face of the first hydraulic cylinder and the inner side face of the exposed position of the first hydraulic telescopic rod, guide side wheels are arranged in the wheel grooves, the optimal number of the guide side wheels is 6 groups, the parts of the guide side wheels are exposed out of the wheel grooves, the wheel grooves also comprise wheel shafts and bearing seats at the upper and lower parts of the wheel shafts, supporters are arranged at the lower end parts of the two groups of the first hydraulic telescopic rods, and the supporters are in contact with the ground to play a role in supporting the whole hydraulic conveyor.
As a preferred scheme of the hydraulic emergency evacuation system of the aviation food vehicle, the invention comprises the following steps: the inside bottom surface symmetry in carriage is provided with two sets of movable bottom plates, the one end bilateral symmetry that movable bottom plate is close to the carriage middle part is provided with the fixed axle, movable bottom plate promotes the upset around the fixed axle, two sets of the below symmetry of movable bottom plate is provided with the second pneumatic cylinder, the second pneumatic cylinder is vertical fixed, the inside second hydraulic cylinder includes the second hydraulic telescoping rod, the upper end welding of second hydraulic telescoping rod has the double-end to promote the support, the ball frame symmetry is installed to the up end both ends position that the double-end promoted the support has utilized the ball frame symmetry to roll the spheroid, the lower terminal surface of movable bottom plate has been seted up and has been supplied the roll spheroid to stretch into and rolling slot.
As a preferred scheme of the hydraulic emergency evacuation system of the aviation food vehicle, the invention comprises the following steps: the two sets of second hydraulic cylinders are provided with a second double-head oil supply tank therebetween, two sets of oil ports of the second double-head oil supply tank are respectively connected with two sets of straight oil pipes, the other ends of the straight oil pipes are communicated with the second hydraulic cylinders, the inner bottom surface of the carriage and the two sets of movable bottom plates are provided with a horizontal belt conveyor therebetween, the horizontal belt conveyor moves clockwise, when the movable bottom plates incline, a food box on the movable bottom plates moves to the horizontal belt conveyor, is transferred to the hydraulic conveyor through the horizontal belt conveyor, and is uniformly conveyed to the ground.
As a preferred scheme of the hydraulic emergency evacuation system of the aviation food vehicle, the invention comprises the following steps: the support comprises a compression bar, an upper spring sleeve, a spring I, an upper cover body, a bar groove, a lower spring sleeve and a cover seat, wherein the upper end of the compression bar is welded at the lower end part of a first hydraulic telescopic rod, the middle part of the compression bar is sleeved with the upper spring sleeve, the lower spring sleeve is welded in the upper cover body, the spring I is fixedly arranged between the upper spring sleeve and the lower spring sleeve, the upper spring sleeve is positioned in an inner cavity of the upper cover body, the bar groove is formed in the middle position of the upper end face of the upper cover body and is used for the compression bar to move up and down, and the upper cover body is fixed on the cover seat through a riveting groove.
As a preferred scheme of the hydraulic emergency evacuation system of the aviation food vehicle, the invention comprises the following steps: the support still includes center bayonet socket, inserts the hole to one side, inclined rod, first spacing groove, no. two springs and spring steel sheet, evenly seted up a plurality of groups of inserting the hole to one side around center bayonet socket on the lid seat, the lower extreme circular arc head that center clamping mouth supplied the depression bar stretches into, plays the limiting displacement, the inclined rod is installed inside inserting the hole to one side, the preferred quantity of inclined rod is 4-8 groups, the inside No. two springs that still are provided with the effect on the inclined rod of inserting the hole to one side, no. two springs cup joint on the inclined rod, play the reset effect, the lower extreme circular arc head department of depression bar evenly has seted up first spacing groove corresponding with the inclined rod, the lower tip welding of inclined rod has the spring steel sheet, the part that the inclined insertion hole is located the lid seat lower terminal surface is provided with the holding tank that acts on the spring steel sheet, the spring steel sheet is oblique L type, with ground contact.
As a preferred scheme of the hydraulic emergency evacuation system of the aviation food vehicle, the invention comprises the following steps: the bottom side of the emergency outlet is symmetrically provided with second limiting grooves for accommodating the first hydraulic cylinder.
As a preferred scheme of the hydraulic emergency evacuation system of the aviation food vehicle, the invention comprises the following steps: and the middle part of the first hydraulic cylinder is also provided with an inclined stay bar, and when the first hydraulic cylinder is not unfolded and is positioned at the rear side of the movable door, the inclined stay bar and the back of the movable door are utilized to be abutted against the movable door.
As a preferred scheme of the hydraulic emergency evacuation system of the aviation food vehicle, the invention comprises the following steps: the front end face of the carriage is provided with a conventional feed inlet and a conventional sealing door, and the conventional sealing door is provided with a platform connected with an aircraft cabin door.
As a preferred scheme of the hydraulic emergency evacuation system of the aviation food vehicle, the invention comprises the following steps: a tray is arranged below the carriage, and a fork type hydraulic lifter is arranged between the tray and the carriage.
As a preferred scheme of the hydraulic emergency evacuation system of the aviation food vehicle, the invention comprises the following steps: four groups of stoppers are symmetrically arranged at the side of the tray.
Compared with the prior art, the hydraulic emergency evacuation system for the aviation food vehicle provided by the invention has the following remarkable improvements and advantages:
(1) The hydraulic conveyor is designed, the hydraulic conveyor is in a contracted state in a carriage in a normal state, the hydraulic conveyor is outwards unfolded to contact the ground in use, the two groups of movable bottom plates are lifted to be in an inclined state by utilizing hydraulic pressure, the food boxes stacked on the movable bottom plates on two sides are concentrated to move towards the middle of the carriage, the horizontal belt conveyor in the middle of the carriage works, the food boxes are transferred to the hydraulic conveyor which is placed, and the food boxes slide on the soft belt and are uniformly conveyed to the ground, so that the aim of emergent cargo evacuation is achieved, the degree of automation is high, and time and labor are saved.
(2) In the process that the first hydraulic telescopic rod stretches out, the pulling winding drum rotates, the soft belt stretches out along with the pulling winding drum, the pulling winding drum is straightened and used for receiving materials, the end part of the soft belt is locked by utilizing a nut and can be detached, the worn and damaged soft belt part can be conveniently and directly cut off, and the soft belt on the pulling winding drum is directly installed.
(3) The support is arranged, the side face of the arc head can extrude a plurality of groups of inclined rods close to each other in the downward movement process of the compression rod, the inclined rods push the spring steel sheets to move in the respective inclined insertion holes, the inclined rods drive the spring steel sheets to move obliquely downwards, the plurality of groups of spring steel sheets extend out of the accommodating grooves and are contacted with the ground to serve as supporting points, the cover seat is slightly lifted, the support reaches a certain stress balance state, at the moment, the spring steel sheets are bent by being pressed, and the ground is uneven, so that the bending degree of each group of spring steel sheets is different, the upper end areas of the spring steel sheets are in a horizontal state, and the support cannot incline to one side, so that the support problem caused by the fact that the ground has height difference and the unevenness is solved.
Drawings
FIG. 1 is an external block diagram of a food cart of the hydraulic emergency evacuation system of the present invention;
FIG. 2 is a transmission structure diagram of the sliding door of the present invention;
FIG. 3 is an emergency evacuation state diagram of the food cart of the present invention;
FIG. 4 is a specific block diagram of the hydraulic conveyor of the present invention;
FIG. 5 is a connection view of the spool of the present invention;
FIG. 6 is a specific construction view of the locking seat of the present invention;
FIG. 7 is a lifting structure of the movable floor of the present invention;
FIG. 8 is a schematic view showing the support of the present invention disassembled;
FIG. 9 is a diagram of the relative positions of the struts and diagonal struts of the present invention.
In the figure: 1. a carriage; 2. an emergency exit; 3. a moving door; 4. a horizontal storage groove; 5. swing rod; 6. a second link; 7. a first link; 8. a crank; 9. a hinged support; 10. a first hydraulic cylinder; 11. a diagonal brace; 12. a first double-ended oil supply tank; 13. a flexible oil pipe; 14. a first hydraulic telescoping rod; 15. an L-shaped connecting rod; 16. connecting a bearing; 17. a reel; 18. a connecting clamping groove; 19. a locking seat; 20. a curved surface; 21. a bolt; 22. a lock nut; 23. a gasket; 24. wheel grooves; 25. a guide side wheel; 26. a support; 27. a movable bottom plate; 28. a fixed shaft; 29. a second hydraulic cylinder; 30. a second hydraulic telescoping rod; 31. a double-ended lifting bracket; 32. a rolling sphere; 33. rolling grooves; 34. a second double-head oil supply tank; 35. a straight oil pipe; 36. a horizontal belt conveyor; 37. a food box; 38. a hydraulic conveyor; 39. a compression bar; 40. a spring sleeve is arranged; 41. a first spring; 42. an upper cover; 43. a rod groove; 44. a lower spring sleeve; 45. a cover base; 46. a central bayonet; 47. a riveting groove; 48. oblique insertion holes; 49. a diagonal rod; 50. a first limit groove; 51. a second spring; 52. a spring steel sheet; 53. the second limit groove; 54. a conventional seal door; 55. a vehicle tray; 56. a stopper; 57. a soft belt.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
as shown in fig. 1-7, this embodiment provides an aviation food vehicle hydraulic emergency evacuation system, including carriage 1, emergency exit 2 has been seted up to the side of carriage 1, and emergency exit 2 is last to be movably provided with dodge gate 3, plays sealed effect, and the horizontal storage tank 4 that is used for placing dodge gate 3 has been seted up to the top inboard of carriage 1, plays the effect of accomodating the protection, and the avris department of dodge gate 3 is provided with drive mechanism.
Specifically, the transmission mechanism comprises a crank 8, a first connecting rod 7, a second connecting rod 6 and a swinging rod 5, as shown in fig. 2, a driving shaft is arranged at one end part of the crank 8, the driving shaft is connected with a driving motor, and the driving motor is positioned at the inner wall of the carriage 1.
In this embodiment, the driving shaft drives the crank 8 to rotate, and the other end of the crank 8 is hinged with the side surface and the bottom of the movable door 3.
In this embodiment, the middle part of the crank 8 is hinged with a first connecting rod 7, the ends of the first connecting rod 7, the second connecting rod 6 and the swinging rod 5 are hinged at the same position, the other end of the second connecting rod 6 is hinged at the middle position of the side surface of the movable door 3, and the other end of the swinging rod 5 is hinged at the top position of the side surface of the movable door 3.
In this embodiment, a hydraulic conveyor 38 is disposed at the bottom of the emergency exit 2, and is used to form a conveying channel by opening outwards, so as to convey the food box 37 in the carriage 1.
Specifically, the hydraulic conveyor 38 includes a hinge base 9, a first hydraulic cylinder 10, a first double-headed oil supply tank 12, a soft oil pipe 13, and a first hydraulic expansion link 14, as shown in fig. 4 1.
In this embodiment, the hinge bases 9 are symmetrically and fixedly arranged at the inner edge positions of the emergency exit 2, the first hydraulic cylinders 10 are respectively rotatably arranged on the hinge bases 9, and the opening directions of the hinge bases 9 face to the front side, so that the first hydraulic cylinders 10 are limited to topple backwards.
In this embodiment, the bottom side of the emergency outlet 2 is symmetrically provided with the second limiting groove 53 for accommodating the first hydraulic cylinder 10, and when the first hydraulic cylinder 10 swings downward, the first hydraulic cylinder enters the second limiting groove 53 to perform a limiting function.
Further, a first double-head oil supply tank 12 is arranged between the two groups of first hydraulic cylinders 10, and the first double-head oil supply tank 12 is respectively communicated with the first hydraulic cylinders 10 through two groups of soft oil pipes 13.
Further, a first hydraulic telescopic rod 14 is provided in the first hydraulic cylinder 10.
The middle part of the first hydraulic cylinder 10 is also provided with an inclined strut 11, when the first hydraulic cylinder 10 is not unfolded and is positioned at the rear side of the movable door 3, the inclined strut 11 is utilized to contact the back surface of the movable door 3 so as to lean against the movable door 3, thus the first hydraulic cylinder 10 can swing downwards immediately when the movable door 3 is opened.
Specifically, the hydraulic conveyor 38 further includes an L-shaped link 15, a connecting bearing 16, a spool 17, a connecting clip groove 18, and a flexible belt 57, as shown in fig. 4.
In this embodiment, two groups of L-shaped connecting rods 15 are symmetrically welded on the exposed parts of the two groups of first hydraulic telescopic rods 14, and the L-shaped connecting rods 15 are fixedly connected with connecting bearings 16.
In this embodiment, the connector of the connection bearing 16 is clamped in the connection clamping groove 18, the two groups of L-shaped connecting rods 15 are connected with the winding drum 17 through the connection bearing 16, and the winding drum 17 rotates around the connection bearing 16.
Further, the soft belt 57 is wound on the winding drum 17, the soft belt 57 is pulled outwards from the winding drum 17, and the edge of the stretched soft belt 57 is fixed on the locking seat 19.
In this embodiment, the upper end of the locking seat 19 is provided with a curved surface 20, and is welded on the bottom of the first hydraulic cylinder 10 through the curved surface 20.
In this embodiment, three sets of bolts 21 are fixed on the inner side surface of the locking seat 19 at equal intervals, and the three sets of bolts 21 are screwed by the locking nuts 22 after the soft belt 57 is put on, as shown in fig. 6.
Further, a spacer 23 is provided between the soft belt 57 and the lock nut 22, and the spacer 23 plays a role of connection protection.
In this embodiment, the inner side surface of the first hydraulic cylinder 10 and the inner side surface of the exposed position of the first hydraulic telescopic rod 14 are both provided with wheel grooves 24, and the wheel grooves 24 are internally provided with guide side wheels 25, wherein the guide side wheels 25 are used for guiding the food box 37 to prevent the food box from moving to the side.
In this embodiment, the guiding side wheel 25 is partially exposed outside the wheel groove 24, and the wheel groove 24 further includes a wheel shaft and bearing seats on the upper and lower parts of the wheel shaft.
Further, the lower ends of the two sets of first hydraulic telescopic rods 14 are provided with supporters 26, and the supporters 26 are in contact with the ground and serve to support the whole hydraulic conveyor 38.
In this embodiment, two sets of movable bottom plates 27 are symmetrically arranged on the inner bottom surface of the compartment 1, and the movable bottom plates 27 are used for placing and stacking the food boxes 37 conventionally.
Specifically, two sides of one end of the movable bottom plate 27, which is close to the middle part of the carriage 1, are symmetrically provided with a fixed shaft 28, the fixed shaft 28 is positioned in a bearing seat fixed at the bottom of the carriage 1, and the movable bottom plate 27 is lifted and turned around the fixed shaft 28.
In this embodiment, the second hydraulic cylinders 29 are symmetrically arranged below the two groups of movable bottom plates 27, the second hydraulic cylinders 29 are vertically fixed, and the second hydraulic cylinders 29 internally comprise second hydraulic telescopic rods 30.
In this embodiment, the upper end of the second hydraulic telescopic rod 30 is welded with a double-head lifting bracket 31, two ends of the upper end surface of the double-head lifting bracket 31 are symmetrically provided with rolling balls 32 by using ball frames, and the lower end surface of the movable bottom plate 27 is provided with rolling grooves 33 for the rolling balls 32 to extend into and roll.
Further, a second double-head oil supply tank 34 is disposed between the two sets of second hydraulic cylinders 29, and is used for supplying oil and returning oil, two sets of oil ports of the second double-head oil supply tank 34 are respectively connected with two sets of straight oil pipes 35, and the other ends of the straight oil pipes 35 are communicated with the second hydraulic cylinders 29.
Further, a horizontal belt conveyor 36 is provided on the inner bottom surface of the vehicle compartment 1 and between the two sets of movable bottom plates 27, and the horizontal belt conveyor 36 includes a driving wheel, a driven wheel, a belt, and a driving structure.
Specifically, the horizontal belt conveyor 36 moves clockwise, and when the movable floor 27 is tilted, the food box 37 on the movable floor 27 moves to the horizontal belt conveyor 36, is transferred to the hydraulic conveyor 38 through the horizontal belt conveyor 36, and is uniformly conveyed to the ground.
In this embodiment, the front end face of the cabin 1 is provided with a conventional feed port and a conventional sealing door 54, and the conventional sealing door 54 is provided with a platform connected with the cabin door of the aircraft.
In the present embodiment, a tray 55 is provided below the vehicle cabin 1, and a forklift is provided between the tray 55 and the vehicle cabin 1.
In this embodiment, four sets of stoppers 56 are symmetrically disposed at the side of the tray 55, and the stoppers 56 are lowered to the ground to perform a stopping function.
When the emergency situation occurs and the food box 37 on the food vehicle needs to be evacuated, the driving motor is started to drive the crank 8 to rotate anticlockwise, the crank is acted on the movable door 3, the first connecting rod 7, the second connecting rod 6 and the swinging rod 5 are matched, the movable door 3 is turned over from the vertical position into the horizontal storage groove 4, at the moment, the slightly inclined first hydraulic cylinder 10 loses a supporting point, swings downwards from an inclined state and moves to the outer side of the emergency exit 2, the second limiting groove 53 is taken as a limiting point to be in an inclined state obliquely downwards, at the moment, the first double-end oil supply tank 12 is enabled to output oil, hydraulic oil enters the first hydraulic cylinder 10 through the two groups of soft oil pipes 13, the first hydraulic telescopic rod 14 extends outwards and is supported on the ground by the respective support 26 after extension, a firm feeding mechanism is formed, in the process that the first hydraulic telescopic rod 14 stretches out, the pulling drum 17 rotates, the soft belt 57 stretches out and straightens for receiving, then the second double-head oil supply tank 34 is enabled to discharge oil, hydraulic oil enters the second hydraulic cylinder 29 through the two groups of straight oil pipes 35, the second hydraulic telescopic rod 30 lifts up to drive the double-head lifting support 31 to lift up together, the rolling ball 32 rolls in the rolling groove 33 while lifting the movable bottom plate 27, so that the movable bottom plate 27 is lifted to be inclined from the horizontal position at the bottom of the carriage 1, at the moment, the food boxes 37 stacked on the movable bottom plates 27 at two sides are intensively moved to the middle of the carriage 1, the horizontal belt 36 in the middle of the carriage 1 works, the food boxes 37 are transferred to the hydraulic conveyor 38 which is placed, slide on the soft belt 57 and are uniformly conveyed to the ground, and the purpose of withdrawing goods is achieved.
Embodiment two:
on the basis of the first embodiment, the support 26 is designed to solve the technical problems that the support 26 is unstable and inclines to one side due to the fact that different ground plots have height differences and the uneven phenomenon exists, as shown in fig. 8-9.
Specifically, the support 26 includes a compression bar 39, an upper spring housing 40, a number one spring 41, an upper cover 42, a bar slot 43, a lower spring housing 44, and a cover seat 45.
In this embodiment, the upper end of the compression rod 39 is welded to the lower end of the first hydraulic telescopic rod 14.
In this embodiment, the middle part of the compression bar 39 is sleeved with an upper spring sleeve 40, a lower spring sleeve 44 is welded in the upper cover 42, a first spring 41 is fixedly arranged between the upper spring sleeve 40 and the lower spring sleeve 44, the first spring 41 plays a role in resetting, and the upper spring sleeve 40 is positioned in the inner cavity of the upper cover 42.
In this embodiment, the rod groove 43 is formed at a middle position of the upper end surface of the upper cover 42, so that the pressing rod 39 moves up and down, and the upper cover 42 is fixed to the cover seat 45 through the riveting groove 47.
Specifically, the support 26 further includes a center bayonet 46, an inclined insertion hole 48, an inclined rod 49, a first limit groove 50, a No. two spring 51, and a spring steel sheet 52.
In this embodiment, a plurality of groups of oblique insertion holes 48 are uniformly formed on the cover seat 45 around the central bayonet 46, and the central bayonet 46 allows the lower end arc head of the compression rod 39 to extend into, thereby playing a limiting role.
In this embodiment, the diagonal rod 49 is installed inside the diagonal insertion hole 48.
Further, a second spring 51 acting on the inclined rod 49 is further arranged in the inclined insertion hole 48, the second spring 51 is sleeved on the inclined rod 49 to play a reset role, and one end of the second spring 51 is fixed in the inclined insertion hole 48.
Further, the lower end arc head of the compression bar 39 is uniformly provided with a first limit groove 50 corresponding to the inclined bar 49, which plays a role in limiting and prevents lateral deviation.
Further, a spring steel sheet 52 is welded to the lower end of the inclined rod 49, and a receiving groove acting on the spring steel sheet 52 is provided in a portion of the inclined insertion hole 48 located at the lower end surface of the cover seat 45, and the spring steel sheet 52 is inclined L-shaped and has flexibility and contacts with the ground.
In this embodiment, when the compression bar 39 is in a natural state, because the first spring 41 (with elasticity) is present and extends only into the first spring 4, when the first hydraulic telescopic rod 14 is fully extended, the gravity of the hydraulic conveyer 38 acts on the compression bar 39, so that the compression bar 39 compresses the first spring 4, passes through the lower spring sleeve 44 and moves downwards into the central bayonet 46 to form a locking state, during this process, the circular arc head side of the compression bar 39 presses the groups of inclined bars 49 close to each other to push the inclined bars 49 to move in the respective inclined through holes 48, the inclined bars 49 drive the spring steel sheets 52 to move obliquely downwards, the bottom groups of spring steel sheets 52 extend out of the accommodating grooves to strengthen the ground contact effect, and the cover seat 45 rises slightly, the support 26 reaches a certain stress balance state, at this time, the spring steel sheets 52 are pressed and bent because the ground is uneven, so that the bending degree of each group of spring steel sheets 52 is different, the upper end regions of the spring steel sheets 52 are in a horizontal state, and the support 26 cannot incline to one side.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. Aviation food car hydraulic pressure emergency evacuation system, including carriage (1), its characterized in that: an emergency outlet (2) is formed in the side face of the carriage (1), a movable door (3) is movably arranged on the emergency outlet (2), a horizontal storage groove (4) for placing the movable door (3) is formed in the inner side of the top of the carriage (1), a transmission mechanism is arranged at the side face of the movable door (3), the transmission mechanism comprises a crank (8), a first connecting rod (7), a second connecting rod (6) and a swinging rod (5), a driving shaft is arranged at one end part of the crank (8), the driving shaft drives the crank (8) to rotate, the other end part of the crank (8) is hinged with the bottom of the side face of the movable door (3), the first connecting rod (7) is hinged to the middle part of the crank (8), the first connecting rod (7), the second connecting rod (6) and the end part of the swinging rod (5) are hinged to the same position, the other end part of the second connecting rod (6) is hinged to the middle part of the side face of the movable door (3), the other end part of the swinging rod (5) is hinged to the top of the side face of the movable door (3), the other end part of the swinging rod is hinged to the emergency outlet (2) and the bottom of the side face of the movable door (3), a hydraulic conveyer (37) is arranged at the bottom of the carriage (1) and used for conveying food out of the carriage (37),
wherein the hydraulic conveyor (38) comprises a hinged support (9), a first hydraulic cylinder (10), a first double-head oil supply tank (12), soft oil pipes (13) and a first hydraulic telescopic rod (14), the hinged support (9) is symmetrically and fixedly arranged at the inner side edge position of an emergency outlet (2), the hinged support (9) is respectively and rotatably provided with the first hydraulic cylinder (10), the first double-head oil supply tank (12) is arranged between the two groups of the first hydraulic cylinders (10), the first double-head oil supply tank (12) is respectively communicated with the first hydraulic cylinder (10) through the two groups of the soft oil pipes (13), the first hydraulic telescopic rod (14) is arranged in the first hydraulic cylinder (10),
wherein the hydraulic conveyor (38) further comprises an L-shaped connecting rod (15), a connecting bearing (16), a winding drum (17), a connecting clamping groove (18) and a soft belt (57), the L-shaped connecting rod (15) is symmetrically welded on the exposed parts of the two groups of first hydraulic telescopic rods (14), the connecting bearing (16) is fixedly connected to the L-shaped connecting rod (15), a connector of the connecting bearing (16) is clamped in the connecting clamping groove (18), the two groups of L-shaped connecting rods (15) are connected with the winding drum (17) through the connecting bearing (16), the soft belt (57) is wound on the winding drum (17) and stretched out from the winding drum (17), the edge of the stretched soft belt (57) is fixed on the locking seat (19),
wherein the upper end of the locking seat (19) is provided with a curved surface (20), the locking seat is welded on the bottom of the first hydraulic cylinder (10) through the curved surface (20), three groups of bolts (21) are equidistantly fixed on the inner side surface of the locking seat (19), the three groups of bolts (21) are screwed by using a locking nut (22) after a soft belt (57) is worn, a gasket (23) is arranged between the soft belt (57) and the locking nut (22),
wherein, the inner side surface of the first hydraulic cylinder (10) and the inner side surface of the exposed position of the first hydraulic telescopic rod (14) are respectively provided with a wheel groove (24), the wheel grooves (24) are internally provided with guide side wheels (25), the lower end parts of the two groups of the first hydraulic telescopic rods (14) are provided with supporters (26), the supporters (26) are contacted with the ground to play a role of supporting the whole hydraulic conveyor (38),
wherein two groups of movable bottom plates (27) are symmetrically arranged on the inner bottom surface of the carriage (1), a fixed shaft (28) is symmetrically arranged on two sides of one end, close to the middle of the carriage (1), of each movable bottom plate (27), a second hydraulic cylinder (29) is symmetrically arranged below each movable bottom plate (27), each second hydraulic cylinder (29) is vertically fixed, a second hydraulic telescopic rod (30) is arranged inside each second hydraulic cylinder (29), a double-head lifting bracket (31) is welded at the upper end of each second hydraulic telescopic rod (30), rolling balls (32) are symmetrically arranged on two ends of the upper end surface of each double-head lifting bracket (31) through ball frames, rolling grooves (33) for the rolling balls (32) to extend in are formed in the lower end surface of each movable bottom plate (27),
wherein a horizontal belt conveyor (36) is arranged on the inner bottom surface of the carriage (1) and between the two groups of movable bottom plates (27), the horizontal belt conveyor (36) moves clockwise, when the movable bottom plates (27) incline, a food box (37) on the movable bottom plates (27) moves to the horizontal belt conveyor (36), is transferred to a hydraulic conveyor (38) through the horizontal belt conveyor (36), is uniformly conveyed to the ground, and
the support device comprises a support (26) and is characterized in that the support comprises a compression bar (39), an upper spring sleeve (40), a first spring (41), an upper cover body (42), a bar groove (43), a lower spring sleeve (44) and a cover seat (45), wherein the upper end of the compression bar (39) is welded at the lower end part of a first hydraulic telescopic rod (14), the middle part of the compression bar (39) is sleeved with the upper spring sleeve (40), the lower spring sleeve (44) is welded in the middle part of the upper cover body (42), a first spring (41) is fixedly arranged between the upper spring sleeve (40) and the lower spring sleeve (44), the upper spring sleeve (40) is located in an inner cavity of the upper cover body (42), the bar groove (43) is formed in the middle of the upper end face of the upper cover body (42) and is used for enabling the compression bar (39) to move up and down, and the upper cover body (42) is fixed on the cover seat (45) through a riveting groove (47).
2. The aircraft food cart hydraulic emergency evacuation system of claim 1, wherein: the support (26) further comprises a central bayonet (46), an inclined inserting hole (48), an inclined rod (49), a first limiting groove (50), a second spring (51) and a spring steel sheet (52), wherein a plurality of groups of inclined inserting holes (48) are uniformly formed in the cover seat (45) around the central bayonet (46), the lower end circular arc head of the central bayonet (46) is provided with a pressing rod (39) to extend in, the inclined rod (49) is arranged inside the inclined inserting hole (48), the second spring (51) acting on the inclined rod (49) is further arranged inside the inclined inserting hole (48), the second spring (51) is sleeved on the inclined rod (49), the first limiting groove (50) corresponding to the inclined rod (49) is uniformly formed in the lower end circular arc head of the pressing rod (39), the spring steel sheet (52) is welded at the lower end of the inclined rod (49), and the spring steel sheet (52) is in inclined L shape and is in ground contact.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310271810.XA CN116118598B (en) | 2023-03-20 | 2023-03-20 | Hydraulic emergency evacuation system for aviation food vehicle |
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| CN202310271810.XA CN116118598B (en) | 2023-03-20 | 2023-03-20 | Hydraulic emergency evacuation system for aviation food vehicle |
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| CN116118598B true CN116118598B (en) | 2023-10-24 |
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