CN108910755B - Multifunctional transportation loading and unloading vehicle - Google Patents

Multifunctional transportation loading and unloading vehicle Download PDF

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Publication number
CN108910755B
CN108910755B CN201810789460.5A CN201810789460A CN108910755B CN 108910755 B CN108910755 B CN 108910755B CN 201810789460 A CN201810789460 A CN 201810789460A CN 108910755 B CN108910755 B CN 108910755B
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CN
China
Prior art keywords
sliding
platform
cab
lifting
hinged
Prior art date
Application number
CN201810789460.5A
Other languages
Chinese (zh)
Other versions
CN108910755A (en
Inventor
陈涛
陈宇轩
谢屹
李红博
项超
Original Assignee
武汉理工大学
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Application filed by 武汉理工大学 filed Critical 武汉理工大学
Priority to CN201810789460.5A priority Critical patent/CN108910755B/en
Publication of CN108910755A publication Critical patent/CN108910755A/en
Application granted granted Critical
Publication of CN108910755B publication Critical patent/CN108910755B/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/06Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
    • B66F7/08Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement hydraulically or pneumatically operated
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64FGROUND 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
    • B64F1/00Ground or aircraft-carrier-deck installations
    • B64F1/32Ground or aircraft-carrier-deck installations for handling freight
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/06Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
    • B66F7/0625Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement with wheels for moving around the floor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/06Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
    • B66F7/065Scissor linkages, i.e. X-configuration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/22Lifting frames, e.g. for lifting vehicles; Platform lifts with tiltable platforms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/28Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions

Abstract

The invention discloses a multifunctional transportation loading and unloading vehicle which mainly comprises an automobile chassis, a lifting device, a sliding rail platform, a sliding rail device, a conveying platform and a cab, wherein a plurality of wheels are symmetrically arranged on two sides of the automobile chassis; the upper part of the automobile chassis is hinged with the lower end of a lifting device, the driving end of the lifting device is hinged with the bottom of a sliding rail platform, the lifting device is connected with a hydraulic system, the sliding rail device is mounted on the sliding rail platform, a conveying platform is arranged on the sliding rail device, and the sliding rail device and a transmission platform are respectively connected with a power system; the cab is arranged on the conveying platform, and an electric control system is arranged in the cab and is respectively connected with the hydraulic system and the power system. The invention has the beneficial effects that: the invention has reasonable structural design, variable functions (including functions of self-walking, lifting, pitching, front-back left-right deviation and left-right yawing), good butt joint performance with an airport, high transportation efficiency and high reliability.

Description

Multifunctional transportation loading and unloading vehicle

Technical Field

The invention relates to airport transportation loading equipment, in particular to a multifunctional transportation loading and unloading vehicle.

Background

The large-scale transport plane material loading and unloading platform is an important matching device for completing strategic delivery, is used for airport ferry and ground loading and unloading of large goods, has strong maneuvering capability, can maneuver automatically in areas such as an airport inner field and an airport outer field, a storage center and the like, and becomes a sharp tool for fast loading and unloading.

The existing loading and unloading platform mainly comprises a platform truck, a conveying system, a lifting system, a bracket and guide rail system and a movable butt joint system, wherein a conveyor of the loading and unloading platform is composed of three sections of conveyors which are arranged in three layers, the upper three-layer conveyor and the middle two-layer conveyor are arranged in a guide rail which can stretch along the bracket, the two layers of conveyors can independently stretch relative to the guide rail, the extending length of the conveyors is greater than the length of the conveyors, and the conveyors can stretch into a cargo tank. However, such a loading platform mainly suffers from the following drawbacks: firstly, the platform only has the function of driving the conveyor into the cargo hold, and has no functions of local fine adjustment and butt joint such as offset, yaw and the like; secondly, the cab is arranged on the chassis and cannot rise along with the rise of the platform, the visual field of a driver is limited, and the position of the conveyor and the state of goods cannot be accurately observed; thirdly, no people walk on the platform, and workers cannot adjust and monitor the platform.

Disclosure of Invention

The invention aims to provide a multifunctional transportation loading and unloading vehicle which can realize the functions of platform lifting, front-back pitching, front-back offsetting, left-right offsetting and left-right yawing, enables a conveying platform and a cabin to be accurately butted and improves the loading and unloading efficiency aiming at the defects of the prior art.

The technical scheme adopted by the invention is as follows: a multifunctional transportation loading and unloading vehicle mainly comprises an automobile chassis, a lifting device, a sliding rail platform, a sliding rail device, a conveying platform and a cab, wherein a plurality of wheels are symmetrically arranged on two sides of the automobile chassis; the upper part of the automobile chassis is hinged with the lower end of a lifting device, the driving end of the lifting device is hinged with the bottom of a sliding rail platform, the lifting device is connected with a hydraulic system, the sliding rail device is mounted on the sliding rail platform, a conveying platform is arranged on the sliding rail device, and the sliding rail device and a transmission platform are respectively connected with a power system; the cab is arranged on the conveying platform, and an electric control system is arranged in the cab and is respectively connected with the hydraulic system and the power system.

According to the scheme, the lifting device comprises a front lifting frame and a rear lifting frame, the front lifting frame is arranged at the front end of the automobile chassis, the rear lifting frame is arranged at the rear end of the automobile chassis, the front lifting frame comprises a front long rod, a front short rod and a front hydraulic cylinder, the upper end of the front long rod is hinged with the slide rail platform, and the lower end of the front long rod is connected with the automobile chassis in a rolling manner; the upper end of the front short rod is hinged with the middle part of the front long rod, and the lower end of the front short rod is hinged with the automobile chassis; the middle part of the front long rod is hinged with the driving end of the front hydraulic cylinder, and the front hydraulic cylinder is connected with a hydraulic system.

According to the scheme, the rear lifting frame comprises a rear long rod, a rear short rod and a rear hydraulic cylinder, the upper end of the rear long rod is in rolling connection with the slide rail platform, and the lower end of the rear long rod is in rolling connection with the automobile chassis; the upper end of the rear short rod is hinged with the middle part of the rear long rod, and the lower end of the rear short rod is hinged with the automobile chassis; the middle part of the rear long rod is hinged with the driving end of the rear hydraulic cylinder, and the rear hydraulic cylinder is connected with a hydraulic system.

According to the scheme, the slide rail device comprises a front cross sliding table and a rear cross sliding table which are respectively arranged at two ends of a slide rail platform, the front cross sliding table consists of an upper sliding mechanism and a lower sliding mechanism which are vertically and vertically arranged, the upper sliding mechanism and the lower sliding mechanism are the same in configuration and respectively comprise a base, a stepping motor connected with an electric control system and a sliding cover plate, a screw rod, a nut seat, a sliding block and a sliding block guide rail are arranged in the base, one end of the screw rod is connected with a motor shaft of the stepping motor, the stepping motor is connected with a power system, and the stepping motor drives the screw rod to rotate; the screw rod is matched with the nut seat, two sides of the nut seat are fixedly connected with the sliding block respectively, and the sliding block is arranged on the sliding block guide rail; a sliding cover plate is fixedly connected to the top of the sliding block; and the sliding cover plate of the lower sliding mechanism is connected with the base of the upper sliding mechanism.

According to the scheme, a protruding shaft extends out of the center of the top of the sliding cover plate of the upper sliding mechanism, and the protruding shaft is connected with the groove at the lower end of the conveying platform through a rolling bearing.

According to the scheme, the conveying platform comprises a platform bottom plate and a platform cover plate, a plurality of fixed partition plates are arranged on the platform bottom plate, the fixed partition plates are arranged vertically and in parallel, a row of roller ways are formed between every two adjacent fixed partition plates, power rollers or auxiliary rollers are installed in the roller ways at intervals, and different rollers are installed in every two adjacent roller ways; and a driving motor of the power roller is connected with a power system.

According to the scheme, the two ends of the roller way are respectively provided with the rotary stop blocks.

According to the scheme, the outer side of the conveying platform is provided with the overturning walkway, and the overturning walkway is connected with the platform bottom plate.

According to the scheme, be equipped with driver's cabin running gear on the conveying platform, driver's cabin running gear includes driver's cabin walking track, the driver's cabin support frame of U font, support floor and driver's cabin slider, the driver's cabin is fixed in the up end of driver's cabin support frame, and driver's cabin walking track is fixed in the transmission platform lower extreme, and driver's cabin slider just slides along driver's cabin walking orbital length direction with driver's cabin walking track looks adaptation, the support floor is fixed in two right angles departments of driver's cabin support frame.

According to the scheme, the cab is also provided with the telescopic ladder, and the lower end of the telescopic ladder can extend to the ground.

The invention has the beneficial effects that:

1. the lifting system adopts two groups of lifting mechanisms, realizes the lifting of the transmission platform through the two groups of lifting mechanisms, simultaneously realizes the pitching of the transmission platform by utilizing the height difference of the two groups of lifting mechanisms, and one device can realize two functions; the two groups of lifting mechanisms correspond to double-track structures, namely a lateral track and a horizontal track, on the automobile chassis, the position arrangement is reasonable, lower rollers of the two groups of lifting mechanisms can slide without obstacles, the movement interference of rod pieces is avoided, the space is fully utilized, and the lowest height of the loading and unloading vehicle in a non-working state is reduced;

2. the invention is provided with two groups of sliding mechanisms, and controls the conveying platform to correspondingly move relative to the sliding rail platform by utilizing the movement of the two groups of sliding tables, and the relative movement modes of the sliding mechanisms comprise front-back deviation, left-right deviation and left-right yawing so as to realize the in-situ fine adjustment function of the conveying platform;

3. according to the invention, the power roller and the auxiliary roller are arranged on the conveying platform, when large materials are transported, the power roller can smoothly transport the large materials on the platform, and the auxiliary roller reduces the friction force during transportation so that the transportation is stably carried out; the two ends of the conveying platform are respectively provided with a rotary stop block, and the rotary stop blocks can be respectively in a horizontal state and a vertical state when the platform is in a non-carrying state and a carrying state so as to smoothly load and unload materials and stably transport the materials;

4. the cab is connected with the conveying platform through the cab sliding device, when the loading and unloading vehicle is in a non-working state, the cab can be suspended above the conveying platform so as to reduce the total width of the loading and unloading vehicle and reduce the storage space of the loading and unloading vehicle, and when the loading and unloading vehicle is in a working state, the cab can be suspended at the right side of the conveying platform so as not to interfere with the conveying of materials;

5. the invention has reasonable structural design, variable functions (including functions of self-walking, lifting, pitching, front-back left-right deviation and left-right yawing), good butt joint performance with an airport, high transportation efficiency and high reliability.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a front view of fig. 1.

Fig. 3 is a schematic structural diagram of the automobile chassis in the embodiment.

Fig. 4 is a top view of fig. 3.

Fig. 5 is a schematic structural diagram of the sliding device in this embodiment.

Fig. 6 is a top view of fig. 5.

Fig. 7 is a schematic structural view of the upper sliding mechanism in this embodiment.

Fig. 8 is a schematic view illustrating a connection between the slide rail platform and the conveying platform in this embodiment.

Fig. 9 is a schematic structural diagram of the transmission platform in this embodiment.

Fig. 10 is a top view of the drive platform.

Fig. 11 is an inverted schematic view of the rotation stopper.

Fig. 12 is a first schematic view illustrating the installation of the cab sliding device in the present embodiment.

Fig. 13 is a second schematic view illustrating the installation of the cab sliding device in this embodiment.

Fig. 14 is a first schematic elevation view of the present embodiment.

Fig. 15 is a second schematic elevation view of the present embodiment.

Fig. 16 is a schematic pitch diagram of the present embodiment.

Fig. 17 is a schematic view of the translation of the transfer platform in this embodiment.

Fig. 18 is a schematic view of the translation of the cab in this embodiment.

Wherein: 1. an automotive chassis; 2. a power system; 3. a hydraulic system; 4. an electronic control system; 5. a wheel; 6. a front lifting frame; 7. a front short bar; 8. a front long rod; 9. a rear short bar; 10. a rear long rod; 11. a front hydraulic cylinder; 12. a rear hydraulic cylinder; 13. a slide rail platform; 14. a hinge shaft; 15. a pitching slide way; 16. a pitching roller; 17. a front cross sliding table; 18. a rear cross sliding table; 19. a transfer platform; 20. a hinge; 21. turning over the walkway; 22. a cab; 23. a cab running gear; 24. an extension ladder; 25. rotating the stop block; 26. a pin shaft; 27. a rear lower roller groove; 28. a front lower roller groove; 29. a front lower roller; 30. a rear lower roller; 31. a stepping motor; 32. a slider; 33. a slider guide rail; 34. a sliding cover plate; 35. a nut seat; 36. a screw rod; 37. a power roller; 38. an auxiliary roller; 39. a platform floor; 40. a platform cover plate; 41. fixing the partition board; 42. a roller bed; 43. a groove; 44. a cab running rail; 45. a cab support frame; 46. a cab support rib; 47. a cab slide.

Detailed Description

For a better understanding of the present invention, reference is made to the following detailed description taken in conjunction with the accompanying drawings.

The multifunctional transportation loading and unloading vehicle shown in fig. 1 and 2 mainly comprises an automobile chassis 1, a lifting device, a slide rail platform 13, a slide rail device, a conveying platform 19 and a cab 22, wherein a plurality of wheels 5 (shown in fig. 3 and 4) are symmetrically arranged on two sides of the automobile chassis 1; the upper part of the automobile chassis 1 is hinged with the lower end of a lifting device, the driving end of the lifting device is hinged with the bottom of a sliding rail platform 13, the lifting device is connected with a hydraulic system 3, and the hydraulic system 3 provides power; the sliding rail platform 13 is provided with a sliding rail device, the sliding rail device is provided with a conveying platform 19, and the sliding rail device and the transmission platform 19 are respectively connected with the power system 2; the cab 22 is arranged on the conveying platform 19, the electric control system 4 is arranged in the cab 22, and the electric control system 4 is respectively connected with the hydraulic system 3 and the power system 2. In this embodiment, the power system 2 and the hydraulic system 3 are both disposed on the vehicle chassis 1.

In the embodiment, the lifting device comprises a front lifting frame 6 and a rear lifting frame, the front lifting frame 6 is arranged at the front end of the automobile chassis 1, the rear lifting frame is arranged at the rear end of the automobile chassis 1, the front lifting frame 6 comprises a front long rod 8, a front short rod 7 and a front hydraulic cylinder 11, and the upper end of the front long rod 8 is hinged with a slide rail platform 13; the lower extreme and the vehicle chassis 1 roll connection of preceding stock 8 specifically are: the lower end of the front long rod 8 is provided with a front lower roller 29, and the front lower roller 29 is matched with a front lower roller groove 28 (along the length direction of the automobile chassis 1) arranged on the upper surface of the automobile chassis 1; the upper end of the front short rod 7 is hinged with the middle part of the front long rod 8 through a hinge shaft 14, and the lower end of the front short rod 7 is hinged with the automobile chassis 1; the driving end of the front hydraulic cylinder 11 is connected with the middle part of the front long rod 8 through a pin shaft 26, and the front hydraulic cylinder 11 is connected with the hydraulic system 3. In this embodiment, the structure of back crane is the same basically with preceding crane 6's structure, back crane includes back stock 10, back quarter butt 9 and back pneumatic cylinder 12, the upper end and the slide rail platform 13 roll connection of back stock 10 specifically are: the upper end of the rear long rod 10 is provided with a pitching roller 16, and the pitching roller 16 is matched with a pitching slideway 15 (along the length direction of the sliding rail platform 13) arranged at the bottom of the sliding rail platform 13; the lower extreme and the vehicle chassis 1 roll connection of back stock 10 specifically are: the lower end of the rear long rod 10 is provided with a rear lower roller 30, and the rear lower roller 30 is matched with a rear lower roller groove 28 (along the length direction of the automobile chassis 1) arranged on the upper surface of the automobile chassis; the upper end of the rear short rod 9 is hinged with the middle part of the rear long rod 10 through a hinge shaft 14, and the lower end of the rear short rod 9 is hinged with the automobile chassis 1; the driving end of the rear hydraulic cylinder 12 is connected with the middle part of the rear long rod 10 through a pin shaft 26, and the rear hydraulic cylinder 12 is connected with the hydraulic system 3. In this embodiment, as shown in fig. 14 to 16, the hydraulic system 3 controls the telescopic rods of the front hydraulic cylinder 11 and the rear hydraulic cylinder 12 to extend or shorten simultaneously, and the extension amount or the shortening amount is the same, and the slide rail platform 13 is lifted along with the lifting device, so that the conveying platform 19 is lifted; when the hydraulic system 3 controls the extension or shortening of the telescopic rods of the front hydraulic cylinder 11 and the rear hydraulic cylinder 12 to be different, the extension of the front hydraulic cylinder 11 is larger than that of the rear hydraulic cylinder 12, and the front end of the slide rail platform 13 is higher than the rear end; the extension of current pneumatic cylinder 11 is less than the extension of back pneumatic cylinder 12, and the rear end of slide rail platform 13 is higher than the front end to make conveying platform 19 slope certain angle, with the various requirements of satisfying air transportation goods and materials transportation.

In this embodiment, as shown in fig. 5 to 8, the slide rail device includes a front cross sliding table 17 and a rear cross sliding table 18 which have the same structure and are respectively disposed at two ends of the slide rail platform 13, the front cross sliding table 17 is composed of an upper sliding mechanism and a lower sliding mechanism which are vertically and vertically disposed, the upper sliding mechanism and the lower sliding mechanism are the same, and each of the upper sliding mechanism and the lower sliding mechanism includes a base, a stepping motor 31 connected with the electronic control system 4, and a sliding cover plate 34; a screw rod 36, a nut seat 35, a slide block 32 and a slide block guide rail 33 are arranged in the base, one end of the screw rod 36 is connected with a motor shaft of a stepping motor 31, and the stepping motor 31 is connected with the power system 2; the stepping motor 31 drives the screw rod 36 to rotate; the screw rod 36 is matched with the nut seat 35, two sides of the nut seat 35 are fixedly connected with the sliding block 32 respectively, and the sliding block 32 is arranged on the sliding block guide rail 33; a sliding cover plate 34 is fixedly connected to the top of the sliding block 32; the sliding cover plate 34 of the lower sliding mechanism is connected with the base of the upper sliding mechanism; a protruding shaft extends out of the center of the top of the sliding cover plate 34 of the upper sliding mechanism, and the protruding shaft is connected with a cylindrical groove 43 at the lower end of the conveying platform 19 through a rolling bearing. In this embodiment, as shown in fig. 17, the up-down sliding structure can control the screw rod 36 through the stepping motor 31 respectively so as to control the front-back and left-right movement of the sliding cover plate 34, and the two sliding tables are combined together to form a cross sliding table, and the sliding cover plate 34 at the uppermost end of the cross sliding table can move linearly or curvilinearly within a certain range; the movement of the two cross sliding tables is respectively controlled, the conveying platform 19 can be controlled to correspondingly move relative to the sliding rail platform 13, and the relative movement modes of the conveying platform include front-back deviation, left-right deviation and left-right yawing, so that the function of fine adjustment on the spot of the conveying platform is realized. The front and back deviation of the transmission platform 19 can be controlled by controlling the upper sliding mechanisms of the front cross sliding table 17 and the rear cross sliding table 18 to be kept still and controlling the sliding cover plate of the lower sliding mechanism to slide back and forth by the stepping motor 31; the left and right deviation of the transmission platform 19 can be controlled by controlling the lower sliding mechanisms of the front cross sliding table 17 and the rear cross sliding table 18 to keep fixed and controlling the sliding cover plate of the upper sliding mechanism to slide left and right by the stepping motor 31; the stepping motor 31 is used for controlling the lower sliding mechanism of the front cross sliding table 17 to slide backwards, controlling the lower sliding mechanism of the rear cross sliding table 18 to slide forwards, controlling the sliding block of the upper sliding mechanism of the front cross sliding table 17 to slide leftwards/rightwards, and controlling the sliding block of the upper sliding mechanism of the rear cross sliding table 18 to slide rightwards/leftwards, so that the left-right yaw of the transmission platform 19 can be controlled.

As shown in fig. 9 to 11, the conveying platform 19 includes a platform bottom plate 39 and a platform cover plate 40, a plurality of fixed partition plates 41 are disposed on the platform bottom plate, the fixed partition plates 41 are vertically and parallelly disposed, a row of roller ways 42 is formed between two adjacent fixed partition plates 41, a power roller 37 or an auxiliary roller 38 is installed in each roller way 42 at intervals, and different rollers are installed in two adjacent roller ways 42; the driving motor of the power roller 37 is connected with the power system 2. Preferably, rotation stoppers 25 are disposed at both ends of the roller table 42, respectively. Preferably, the outside of the transfer platform 19 is provided with a flipping walkway 21, and the flipping walkway 21 is connected to the platform floor 39 by means of a hinge 20. In this embodiment, six fixed partition plates 41 are built in the conveying platform 19 to form five roller ways 42, a plurality of power rollers 37 are arranged on the second roller way 42 and the fourth roller way 42 at intervals, and a driving motor of the power roller 37 is installed in the first roller way 42 or the fifth roller way 42; the first roller way 42, the third roller way 42 and the fifth roller way 42 are respectively provided with auxiliary rollers 38 at intervals. When large materials are transported, the power rollers 37 on the conveying platform 19 enable the materials to be smoothly conveyed on the conveying platform 19, and the auxiliary rollers 38 reduce the friction force during transportation, so that the transportation is stably carried out; the conveying platform 19 is provided with rotating stoppers 25 which are respectively arranged at two ends of the first row, the third row and the fifth row of roller ways, and the rotating stoppers 25 can rotate 90 degrees. When the conveying platform 19 is in a non-loading state and in a loading and unloading process, the rotary stop 25 is in a horizontal state so as to smoothly load and unload materials; when the transfer platform 19 is in the transportation state, the rotation stopper 25 is in the vertical state, so that the materials can be stably transported without sliding or falling off.

As shown in fig. 12 and 13, the cab running gear 23 is arranged on the conveying platform 19, the cab running gear 23 includes cab running rails 44, a U-shaped cab supporting frame 45, supporting ribs 46 and cab sliding blocks 47, the cab 22 is fixed on an upper end plate of the cab supporting frame 45, the three running rails 44 of the cab 22 are fixed on a lower end of the conveying platform 19, the three cab sliding blocks 47 can respectively freely slide on the three cab running rails 44, the cab sliding blocks 47 are fixed on a lower end plate of the supporting frame 45 in a linear arrangement, and the two supporting ribs 46 are welded at two right angles of the cab supporting frame 45. When the loading and unloading vehicle is in a non-working state, the cab slide block 47 is positioned at the leftmost end of the cab travelling track 44, and the cab 22 can be suspended above the conveying platform 19 so as to reduce the total width of the loading and unloading vehicle and reduce the storage space of the loading and unloading vehicle; in the loading and unloading state, the cab slide 47 is at the rightmost end of the cab travel rail 44, and the cab 22 can be suspended at the right side of the transfer platform 19 without interfering with the conveyance of the material, as shown in fig. 18. In this embodiment, the cab 22 is further provided with a telescopic ladder 24, and the lower end of the telescopic ladder 24 can extend to the ground, so that a driver can conveniently get in and out of the cab 22.

It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and the present invention is not limited thereto, and although the present invention has been described in detail with reference to the embodiments, it will be apparent to those skilled in the art that modifications can be made to the technical solutions described in the above-mentioned embodiments, or equivalent substitutions of some technical features, but any modifications, equivalents, improvements and the like within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (8)

1. A multifunctional transportation loading and unloading vehicle is characterized by comprising an automobile chassis, a lifting device, a sliding rail platform, a sliding rail device, a conveying platform and a cab, wherein a plurality of wheels are symmetrically arranged on two sides of the automobile chassis; the upper part of the automobile chassis is hinged with the lower end of a lifting device, the driving end of the lifting device is hinged with the bottom of a sliding rail platform, the lifting device is connected with a hydraulic system, the sliding rail device is mounted on the sliding rail platform, a conveying platform is arranged on the sliding rail device, and the sliding rail device and a transmission platform are respectively connected with a power system; the cab is arranged on the conveying platform, and an electric control system is arranged in the cab and is respectively connected with the hydraulic system and the power system; the sliding rail device comprises a front cross sliding table and a rear cross sliding table which are respectively arranged at two ends of a sliding rail platform, the front cross sliding table consists of an upper sliding mechanism and a lower sliding mechanism which are vertically and vertically arranged, the upper sliding mechanism and the lower sliding mechanism are configured in the same way and respectively comprise a base, a stepping motor connected with an electric control system and a sliding cover plate, a screw rod, a nut seat, a sliding block and a sliding block guide rail are arranged in the base, one end of the screw rod is connected with a motor shaft of the stepping motor, the stepping motor is connected with a power system, and the stepping motor drives the screw rod to rotate; the screw rod is matched with the nut seat, two sides of the nut seat are fixedly connected with the sliding block respectively, and the sliding block is arranged on the sliding block guide rail; a sliding cover plate is fixedly connected to the top of the sliding block; the sliding cover plate of the lower sliding mechanism is connected with the base of the upper sliding mechanism; a convex shaft extends out of the center of the top of a sliding cover plate of the upper sliding mechanism and is connected with a groove at the lower end of the conveying platform through a rolling bearing.
2. The multi-function transport loader of claim 1, wherein the lifting means comprises a front lifting frame and a rear lifting frame respectively provided at the front end of the vehicle chassis, the front lifting frame comprising a front long rod, a front short rod and a front hydraulic cylinder, the upper end of the front long rod being hinged to the slide rail platform, the lower end of the front long rod being in rolling connection with the vehicle chassis; the upper end of the front short rod is hinged with the middle part of the front long rod, and the lower end of the front short rod is hinged with the automobile chassis; the middle part of the front long rod is hinged with the driving end of the front hydraulic cylinder, and the front hydraulic cylinder is connected with a hydraulic system.
3. The multi-function transport lift truck of claim 2, wherein the rear lift frame includes a rear long bar, a rear short bar and a rear hydraulic cylinder, the upper end of the rear long bar being in rolling connection with the skid platform and the lower end of the rear long bar being in rolling connection with the vehicle chassis; the upper end of the rear short rod is hinged with the middle part of the rear long rod, and the lower end of the rear short rod is hinged with the automobile chassis; the middle part of the rear long rod is hinged with the driving end of the rear hydraulic cylinder, and the rear hydraulic cylinder is connected with a hydraulic system.
4. The multi-functional transport loader of claim 1, wherein the transfer platform comprises a platform floor and a platform cover plate, a plurality of fixed partitions are provided on the platform floor, the fixed partitions are arranged vertically and in parallel, a row of roller ways is formed between two adjacent fixed partitions, power rollers or auxiliary rollers are installed at intervals in the roller ways, and different rollers are installed in two adjacent roller ways; and a driving motor of the power roller is connected with a power system.
5. A multi-function transport loader as claimed in claim 4 wherein rotation stops are arranged at each end of the roller bed.
6. The multi-function transport lift truck of claim 4 wherein the transfer platform is provided with a flipping walkway outboard of the transfer platform, the flipping walkway being connected to the platform floor.
7. The multi-function lift truck of claim 1, wherein said transport platform is provided with cab runners, said cab runners include cab runners, U-shaped cab supports, support ribs and cab blocks, said cab is secured to the upper end plate of said cab supports, said runners are secured to the lower end of said drive platform, said cab blocks are adapted to said cab runners and slide along the length of said cab runners, said support ribs are secured to two corners of said cab supports.
8. A multi-function transport lift truck as claimed in claim 7, wherein the cab is further provided with a telescopic ladder, the lower end of which is extendable to the ground.
CN201810789460.5A 2018-07-18 2018-07-18 Multifunctional transportation loading and unloading vehicle CN108910755B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810789460.5A CN108910755B (en) 2018-07-18 2018-07-18 Multifunctional transportation loading and unloading vehicle

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CN109534028A (en) * 2018-12-29 2019-03-29 中国重汽集团青岛重工有限公司 Large transport airplane loading/unloading platform vehicle and transportation loading and unloading mode
CN109941619B (en) * 2019-03-12 2020-06-23 中国船舶重工集团应急预警与救援装备股份有限公司 Transport platform with reversible roller path
CN110566133A (en) * 2019-09-28 2019-12-13 徐州徐工基础工程机械有限公司 Self-dismounting device for power head of horizontal directional drilling machine

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US4907935A (en) * 1987-12-04 1990-03-13 Standard Manufacturing Company, Inc. Cargo transporter
CN2384864Y (en) * 1999-04-30 2000-06-28 深圳中集天达空港设备有限公司 Aerial loading-unloading transport platform trunk
JP4554945B2 (en) * 2004-01-15 2010-09-29 株式会社犬塚製作所 Aerial work platform
CN103662076B (en) * 2013-12-29 2016-03-16 威海广泰空港设备股份有限公司 Container loader
CN104518439A (en) * 2014-12-16 2015-04-15 国家电网公司 110kV disconnecting switch electric operating mechanism installation platform

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