CN111825012A - Separable forklift device for loading and unloading operation of high platform carriage - Google Patents
Separable forklift device for loading and unloading operation of high platform carriage Download PDFInfo
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- CN111825012A CN111825012A CN202010792380.2A CN202010792380A CN111825012A CN 111825012 A CN111825012 A CN 111825012A CN 202010792380 A CN202010792380 A CN 202010792380A CN 111825012 A CN111825012 A CN 111825012A
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- portal
- platform
- forklift
- lifting platform
- carriage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, 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
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/0625—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement with wheels for moving around the floor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, 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
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/065—Scissor linkages, i.e. X-configuration
- B66F7/0666—Multiple scissor linkages vertically arranged
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, 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
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/08—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement hydraulically or pneumatically operated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, 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
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, 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
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, 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
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/08—Masts; Guides; Chains
- B66F9/082—Masts; Guides; Chains inclinable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, 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
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/20—Means for actuating or controlling masts, platforms, or forks
- B66F9/22—Hydraulic devices or systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, 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
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/20—Means for actuating or controlling masts, platforms, or forks
- B66F9/24—Electrical devices or systems
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Civil Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention discloses a separable forklift device for high platform carriage loading and unloading operation, which comprises a scissor hydraulic lifting platform and a turnover type portal forklift, wherein the hydraulic lifting platform comprises a car carrying platform, an underframe, a hydraulic mechanism, a lifting mechanism, a walking mechanism and an electric control device, the portal forklift comprises a movable car body and a portal assembly, the hydraulic lifting platform is provided with a limiting device matched with the portal forklift, and power supply devices of the lifting platform and the portal forklift can be used for supplying power separately and independently and can be integrated for supplying power. The portal assembly comprises an outer portal, an inner portal and a carriage arranged on the inner portal, a fork is arranged on the carriage, and a turnover mechanism is connected between the portal assembly and the moving vehicle body. According to the device provided by the invention, the vehicle carrying platform of the hydraulic lifting platform and the bottom surface of the carriage are at the same horizontal height, the carriage can carry out loading and unloading of goods while keeping a high platform state, and the power supply devices of the gantry forklift are combined into a whole after the lifting platform is limited.
Description
The technical field is as follows:
the invention relates to a forklift device, in particular to a separable forklift device for loading and unloading operation of a high platform carriage.
Background art:
the container and the van are used as transportation equipment, so that the cargo transportation efficiency is greatly improved. The container has the characteristic of firm sealing, can simplify the package, reduce the cargo damage and cargo difference, improve the cargo quality, and has high loading and unloading efficiency, short loading and unloading time and great social benefit. When the goods are transported by using the container, proper and reasonable goods loading and unloading modes need to be considered. The common container loading and unloading mode at present generally adopts a hoisting device to unload containers from a container carrier to the ground, and then a forklift is used for loading or unloading the goods one by one; or the container is continuously placed on the container carrier, the inclined boarding bridge is used for butting to the container mouth, and then the forklift is used for entering the container through the boarding bridge for loading and unloading. The hoisting equipment in the former is expensive, the boarding bridge in the latter occupies large space and has higher requirements on forklift drivers, and when loading work is carried out, the operation in the container and the operation outside the field need to be noticed to prevent collision with the boarding bridge and the like and prevent collision between a high-lift forklift gantry and a container top frame. The van can be used for transporting various articles in a fully-sealed mode, has the advantages of flexibility and convenience in operation, and is low in loading and unloading efficiency and high in labor intensity because most of the loaded and unloaded goods are carried by manpower of a loader or are matched with a hydraulic flat forklift.
The invention content is as follows:
the invention provides a separable forklift device for high platform carriage loading and unloading operation, which is suitable for high platform carriage loading and unloading operation, can separate and combine a forklift and a lifting platform, remotely controls the forklift operation, is safe, reliable and rapid, and improves the turnover efficiency of carriage goods.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the utility model provides a high platform carriage loading and unloading operation is with separable fork truck device, the device is including cutting fork formula hydraulic lifting platform and convertible portal fork truck, hydraulic lifting platform is including carrying platform, chassis, hydraulic pressure mechanism, elevating system, running gear and electrically controlled device, portal fork truck is including removing automobile body and portal assembly, the last stop device that matches with portal fork truck that is equipped with of hydraulic lifting platform, stop device is including setting up at the spacing angle sign indicating number that carries on the platform and setting up the spacing frame at the front end that carries the platform, be equipped with electronic jar of orthoscopic in the spacing frame, the piston end rigid coupling of electronic jar of orthoscopic has spacing horn block, and the inboard that contacts with removal automobile body rear wheel is provided with terminal limit switch on the spacing horn sign indicating number, terminal limit switch and electronic jar of orthoscopic and electrically controlled device electric connection.
The power supply devices of the lifting platform and the gantry forklift can be separated and independently supplied with power and can be combined and integrally supplied with power, the vehicle carrying platform is provided with a power supply combination seat, the upper part of the power supply combination seat is fixedly provided with a current conducting plate, the lower part of the movable vehicle body is correspondingly provided with an interface plate, and when contacts on the interface plate are attached to the current conducting plate, the power supply combination of the lifting platform and the gantry forklift supplies power to the device integrally.
Carry the bench below and install the push rod motor, the arm is bent in the switching of push rod end, and the other end of cranking arm is connected and is rotated and install on the power combination seat, carry and set up the ladder export of leading that power supply combination seat and crank the arm and stretch out on the bench, ladder export in-connection has the protective cover, and the connecting axle of protective cover stretches out and is provided with the torsional spring on the section, and the free end of torsional spring butt is on protective cover and ladder export step respectively, be equipped with the convex ridge with protective cover contact department on the power combination seat, set up on the protective cover and slide complex recess with the convex ridge.
The portal assembly includes outer portal, interior portal and installs the balladeur train on the portal in, installs the fork on the balladeur train, and the outer portal lower extreme is equipped with the jar tailboard, and articulated on the jar tailboard installs lift cylinder, and lift cylinder's piston outer end is connected on interior portal, and interior portal is connected with the balladeur train through the chain mechanism that the symmetry set up, chain mechanism includes sprocket and drive chain, and sprocket rotation sets up on the portal including, and drive chain's one end is fixed in the inboard of outer portal, and drive chain's the other end is walked around the sprocket after-fixing on the balladeur train, and the inboard of balladeur train is through lower pulley group and outer portal constitution sliding pair, and the inboard of interior portal is.
A turnover mechanism is connected between the portal assembly and the moving vehicle body, the turnover mechanism comprises a turnover motor, a screw shaft, a moving support with a screw sleeve and a connecting rod assembly, one end of the screw shaft is connected with the output end of the motor, the other end of the screw shaft is rotationally connected on the moving vehicle body, the turnover motor is arranged on the moving vehicle body, the screw sleeve and the screw shaft form a screw pair, guide rails are arranged on two sides of the moving vehicle body, a guide sleeve which is in sliding fit with the guide rails is arranged on the moving support, the connecting rod assembly comprises a turning hydraulic cylinder and a side link rod which are symmetrically arranged, the piston end of the turning hydraulic cylinder is hinged to the outer door frame, the bottom end of the turning hydraulic cylinder is hinged to the moving support, one end of the side link rod is hinged to the outer door frame, the other end of the side link rod is hinged to the moving vehicle body, and the turning hydraulic cylinder, the side link rod, the moving support and the moving vehicle body form a four-rod mechanism of the variable connecting rod.
The chassis is provided with a traveling wheel with a brake device, the lifting mechanism comprises a scissor arm group which is rotatably connected, the tail end parts of two scissor arms which are positioned at the upper back are rotatably connected on a back coupling, the tail end parts of two scissor arms which are positioned at the lower back are rotatably connected on a back rotating shaft, the two ends of the back coupling and the back rotating shaft are respectively provided with a roller wheel, the roller wheels of the back coupling respectively move along a guide groove on the vehicle carrying platform, the roller wheels of the back rotating shaft respectively move along the guide groove on the chassis, the tail end parts of two scissor arms which are positioned at the upper front are connected on a front coupling, the front coupling is connected on the vehicle carrying platform, the tail end parts of two scissor arms which are positioned at the lower front are fixedly connected on a front rotating shaft, the front coupling is connected on the chassis, the front rotating shaft is also fixedly connected with one end of a piston crank arm, the other end of the piston crank arm is rotatably connected with a piston, the hinged support is fixed on the bottom frame.
According to the technical scheme, the container does not need to be unloaded from the container carrier, the height of the carriage can be kept, the loading platform of the hydraulic lifting platform and the bottom surface of the bottom plate in the carriage are controlled to be at the same horizontal height, namely the carriage keeps a high platform state and can complete loading and unloading, a boarding bridge or a loading and unloading platform does not need to be erected, an unmanned forklift is controlled to enter the container or the van vehicle and return to the loading platform after the goods are loaded and fished, and the forklift lifts and moves along with the lifting platform.
According to the technical scheme, after the lifting platform is limited, the power supply device of the forklift and the power supply device of the lifting platform are combined into a whole, and the power supply device in the forklift and the power supply device in the lifting platform drive the travelling mechanism of the lifting platform together.
According to the technical scheme, the portal frame on the portal frame forklift can be inclined and retracted, so that not only can the goods be kept stable on the fork during loading and unloading, but also the space can be saved when the portal frame forklift is not used.
According to the technical scheme, after the rear wheel of the portal forklift reaches the designated position on the hydraulic lifting platform for limiting, the tail end limit switch is triggered, the linear electric cylinder acts, the limiting angle block for limiting the front wheel is automatically in place, the automation degree of the whole process is high, and the limiting is reliable.
According to the technical scheme, an operator can complete actions required by the hydraulic lifting platform and the portal forklift only by mastering the controller of the device, the operation mode is more convenient, and the working process is safer.
According to the technical scheme, the loading and unloading platform has the advantages of strong adaptability to loading and unloading places, low requirement on the loading and unloading places, convenience in transition, no need of using a dock leveler or specially laying a loading and unloading platform, and no need of hoisting equipment.
Description of the drawings:
fig. 1 is a schematic perspective view of an embodiment of the present invention.
Fig. 2 is a front view of an embodiment of the present invention.
Fig. 3 is a left side view of an embodiment of the present invention.
Fig. 4 is a top view of an embodiment of the present invention.
FIG. 5 is an enlarged view of a portion of the structure of FIG. 1 (without the helical axis).
Fig. 6 is a partial schematic structural diagram (power supply device assembly) according to an embodiment of the present invention.
Fig. 7 is a schematic partial structure view (power combining seat and protective cover) of the embodiment of the invention.
FIG. 8 is a circuit control diagram of a power device assembly according to an embodiment of the present invention.
In the figure, 1, a vehicle carrying platform, 2, a limit corner bracket, 3, a rear wheel, 4, a movable vehicle body, 5, a guide rail, 6, a spiral shaft, 7, a guide sleeve, 8, a movable support, 9, a turning hydraulic cylinder, 10, an inner door frame, 11, an outer door frame, 12, a connecting frame rod, 13, a sliding frame, 14, a pallet fork, 15, a limit corner block, 16, a front wheel, 17, a limit frame, 18, a linear electric cylinder, 19, a front coupling shaft, 20, a hydraulic cylinder, 21, a piston crank arm, 22, a front rotating shaft, 23, a rear rotating shaft, 24, a traveling wheel, 25, a bottom frame, 26, a roller, 27, a shear fork arm, 28, 29, a rear coupling shaft, 30, a turning motor, 31, a spiral sleeve, 32, a push rod motor, 33, a crank arm, 34, a step guide outlet, 35, a power supply combination seat, 36, a torsion spring, 37, a protective cover, 38, a conductive plate, 39, 40, a connecting shaft, a groove, 42.
The specific implementation mode is as follows:
in order to clearly explain the technical features of the present invention, the present invention will be explained in detail by the following embodiments in combination with the accompanying drawings. The present invention is not described in detail, but is known to those skilled in the art.
Referring to fig. 1 to 4, the separable forklift device for high platform carriage loading and unloading operation of the present invention comprises a scissor type hydraulic lifting platform and a turnover type portal forklift, wherein: the hydraulic lifting platform comprises a vehicle carrying platform 1, an underframe 25, a hydraulic mechanism, a lifting mechanism, a walking mechanism and an electric control device; the mast forklift includes a moving body 4 and a mast assembly. The gantry forklift stops on the vehicle carrying platform 1 of the hydraulic lifting platform, the underframe 25 can be used for supporting lifting and transition of the whole device, and the hydraulic mechanism is matched with the lifting mechanism to finish lifting action of the hydraulic lifting platform and enable the vehicle carrying platform 1 to keep stable at a certain height position.
The hydraulic lifting platform is provided with a limiting device matched with a forklift frame, the limiting device comprises a limiting angle code 2 arranged on the car carrying platform 1 and a limiting frame 17 arranged at the front end of the car carrying platform 1, a linear electric cylinder 18 is arranged in the limiting frame 17, a piston end of the linear electric cylinder 18 is fixedly connected with a limiting angle block 15, the side surface of the limiting angle block 15 is connected with a linkage rod, the other end of the linkage rod is also connected with a limiting angle block 15, and the two limiting angle blocks 15 move synchronously due to the arrangement. The inner side of the limiting corner bracket 2, which is in contact with the rear wheel 3 of the movable vehicle body 4, is provided with a tail end limiting switch, and the tail end limiting switch is electrically connected with the linear electric cylinder 18 and the electric control device. The vehicle carrying platform 1 is provided with a limiting hole corresponding to the limiting corner connector 2 and the limiting corner block 15. The right angle is personally submitted with the coexistence of spacing angle sign indicating number 2 and spacing hornblock 15, can wrap the partly of fork truck wheel, and spacing angle sign indicating number 2 is relative with the inboard right angle of spacing hornblock 15, and spacing angle sign indicating number 2 carries on spacingly to portal fork truck's rear wheel 3, and spacing hornblock 15 is spacing to portal fork truck's front wheel 16, and portal fork truck docks stably on year platform 1.
Referring to fig. 6 to 7, the power supply devices of the lifting platform and the gantry forklift can supply power separately and independently or integrally, the vehicle loading platform 1 is provided with a power supply combination seat 35, the upper part of the power supply combination seat 35 is fixed with a conductive plate 38, the lower part of the movable vehicle body 4 is correspondingly provided with an interface board 39, and when the upper contact of the interface board 39 is attached to the conductive plate 38, the power supply combination of the lifting platform and the gantry forklift is used for supplying power to the device integrally. Therefore, when the portal forklift takes goods out of the carriage and stops on the lifting platform, the load of the lifting platform is increased, and when the lifting platform is transferred, the power supply sharing mode of the lifting platform and the portal forklift is adopted, so that the power supply devices of the lifting platform and the portal forklift act together to drive the forklift to move integrally, and the parallel power supply is used as a more insurance mode to prevent single-point failure.
Carry the below of car platform 1 to install push rod motor 32, push rod end switching crank arm 33, the other end of crank arm 33 is connected and is rotated and install on power combination seat 35, carry and set up power supply combination seat 35 and the ladder export 34 that crank arm 33 stretches out on the car platform 1, ladder export 34 in-connection has protective cover 37, be provided with torsional spring 36 on the connecting axle 40 stretch-out section of protective cover 37, the free end of torsional spring 36 butts respectively on protective cover 37 and ladder export 34 step, be equipped with convex ridge 42 with protective cover 37 contact department on the power combination seat 35, set up on the protective cover 37 and slide complex recess 41 with convex ridge 42. The stepped outlet 34 includes a countersink located at the upper portion and an eccentric hole located at the lower portion, the center line of the eccentric hole is offset by a certain distance relative to the center line of the countersink, a gap between a hole wall of one side of the eccentric hole and a seat wall of one side of the power supply combining seat 35 is small, and the eccentric hole plays a limiting role in the power supply combining seat 35, so that the power supply combining seat 35 can keep a vertical direction in a lifting action when in the vehicle carrying table 1. The groove 41 is located at the upper half part of the protective cover 37, when the conductive plate 38 of the power supply combination seat 35 needs to be combined with the interface board 39, the protective cover 37 covering the step outlet 34 is gradually opened by the upper part of the power supply combination seat 35, in the process, the convex ridge 42 of the power supply combination seat 35 extrudes into the groove 41 of the protective cover 37, the convex ridge 42 moves relative to the groove 41, and the power supply combination seat 35 is limited behind the wall of the eccentric hole due to the matching of the groove 41 and the convex ridge 42. After the conductive plate 38 of the power combining base 35 is combined with the interface board 39, the protective cover 37 is opened and put on the power combining base 35.
Referring to fig. 1, the door frame assembly of the embodiment of the invention comprises an outer door frame 11, an inner door frame 10 and a carriage 13 mounted on the inner door frame 10, wherein a pallet fork 14 is mounted on the carriage 13, a cylinder tail plate is arranged at the lower end of the outer door frame 11, a lifting cylinder is hinged on the cylinder tail plate, the outer end of a piston of the lifting cylinder is connected to the inner door frame 10, the inner door frame 10 is connected with the carriage 13 through a chain mechanism which is symmetrically arranged, the chain mechanism comprises a chain wheel and a transmission chain, the chain wheel is rotatably arranged on the inner door frame 10, one end of the transmission chain is fixed at the inner side of the outer door frame 11, the other end of the transmission chain is fixed on the carriage 13 after bypassing the chain wheel, a chain seat specially connected with the transmission chain can be arranged on the outer door frame 11 and the carriage 13, the inner side of the carriage 13 forms a moving pair with the outer, the arrangement of upper and lower pulley blocks is used for reducing the friction loss in the removal process.
The forklift device can fold and overturn the gantry assembly to the movable vehicle body 4 in an idle state, and the lifting mechanism of the hydraulic lifting platform can also descend and fold, so that the overall size of the forklift device can be greatly reduced, and the occupied storage space is reduced. A turnover mechanism is connected between the portal assembly and the moving vehicle body 4, the turnover mechanism comprises a turnover motor 30, a screw shaft 6, a moving support 4 with a screw sleeve 31 and a connecting rod assembly, one end of the screw shaft 6 is connected with the output end of the motor, the other end of the screw shaft 6 is rotationally connected with the moving vehicle body 4, the turnover motor 30 is arranged on the moving vehicle body 4, the screw sleeve 31 and the screw shaft 6 form a screw pair, two sides of the moving vehicle body 4 are provided with guide rails 5, a guide sleeve 7 which is in sliding fit with the guide rails 5 is arranged on the moving support 8, the connecting rod assembly comprises a turnover hydraulic cylinder 9 and a connecting rod 12 which are symmetrically arranged, the piston end of the turnover hydraulic cylinder 9 is rotationally arranged on the outer portal 11, the bottom end of the turnover hydraulic cylinder 9 is rotationally arranged on the moving support 8, one end of the, the turning hydraulic cylinder 9, the side link 12, the movable bracket 8 and the movable vehicle body 4 form a four-bar mechanism of the variable connecting rod.
The chassis 25 of the present embodiment is provided with a road wheel 24 with a brake device, and the road wheel 24 may be an automatic-walking direct-current electric driving wheel. The lifting mechanism comprises a scissor arm group which is rotatably connected, the tail end parts of two scissor arms 27 positioned at the upper back are rotatably connected on a rear coupling 29, the tail end parts of two scissor arms 27 positioned at the lower back are rotatably connected on a rear rotating shaft 23, two ends of the rear coupling 29 are respectively provided with a roller 28, two ends of the rear rotating shaft 23 are respectively provided with a roller 26, the rollers 28 of the rear coupling 29 respectively move along a guide groove on the vehicle carrying platform 1, the rollers 26 of the rear rotating shaft 23 respectively move along a guide groove on a bottom frame 25, the tail end parts of two scissor arms 27 positioned at the upper front are connected on a front coupling 19, the front coupling 19 is connected on the vehicle carrying platform 1, the tail end parts of two scissor arms 27 positioned at the lower front are fixedly connected on a front rotating shaft 22, the front rotating shaft 22 is connected on the vehicle carrying platform 25, the front rotating shaft 22 is also fixedly connected with one end of a piston crank arm 21, the other end of the piston crank arm 21 is rotatably, the bottom of the hydraulic cylinder 20 of the hydraulic mechanism is mounted on a hinged support which is fixed on the underframe 25. Here "front" is with reference to the direction of movement of the mast forklift, i.e. the fork direction is front.
In order to meet the requirement of the forklift device on operation maneuverability, the electric control device in the forklift device of the embodiment comprises an electric control box positioned on the underframe 25, an electric control module in the movable vehicle body 4 and an external button box manipulator, wherein the outer surface of the box body is provided with ascending, descending and stopping buttons, and a 48V lead-acid storage battery pack is arranged in the electric control box. The external button box manipulator can be used for controlling the forward movement, the backward movement, the steering, the fast and slow walking of the portal forklift, the lifting and the descending of the pallet fork, and can also control the action of the hydraulic lifting platform. The traveling mechanism of the hydraulic lifting platform can refer to the technical content of the existing hydraulic lifting platform transport vehicle, namely the traveling mechanism can complete the integral forward, backward, steering and fast and slow traveling actions of the equipment, an operator only needs to operate an external button box controller, labor and force are saved, and the operator can closely pay attention to the change of the internal and external environments of a carriage when operating a portal forklift. The operator can complete the actions required by the hydraulic lifting platform and the portal forklift only by mastering the controller of the device.
Referring to fig. 8, the moving body 4 of the portal forklift of the present embodiment is also provided with a 48V battery pack, which is described in conjunction with a circuit control diagram, and it should be noted that the circuit control diagram is only a part of the circuit control of the present device, and only the integration and separation of the power supply device are described more clearly: the storage battery pack in the hydraulic lifting platform is a storage battery pack 1, and the storage battery pack of the mobile vehicle body 4 is a storage battery pack 2. When the SA is disconnected: when the button SB1 is pressed, the relay KA1 is electrified, the motor driving device is connected with the storage battery pack 1 to drive the motor M1 of the travelling mechanism to start running, when the distance approach sensor SQ1 is smaller than a set value, the relay KA1 is electrified, and the motor M1 stops running; when a button SB2 is pressed, the relay KA2 is electrified, the motor driving device is connected with the storage battery pack 2 to drive the motor M2 of the movable vehicle body 4 to start operation, when the distance approach sensor SQ2 is smaller than a set value, the relay KA2 is electrified, and the M2 stops operation; when the stop button SB3 is pressed, both motors immediately stop operating. When SA is closed, the relay KA3 is powered on, the button SB1 is pressed, the relay KA1 is powered on, and the storage battery pack 1 and the storage battery pack 2 jointly act to drive the motor M1 to work.
The motion process is as follows: the separable forklift device is guided by the action of the external button box manipulator, stops moving when moving to the position near a carriage integrally, and adjusts the height of a hydraulic lifting platform in the device according to the ground clearance of a carriage bottom plate, namely a container bottom plate or a van bottom plate. And controlling the hydraulic lifting platform to approach the carriage again, stopping the motor M1 for driving the travelling mechanism on the underframe 25 when the distance between the front end of the car carrying platform 1 and the carriage reaches a set value, namely the distance from the proximity sensor SQ1 to the action distance, and simultaneously checking whether the car carrying platform 1 of the hydraulic lifting platform and the bottom plate of the carriage are coplanar, wherein if the distance is coplanar, the separable forklift device reaches a proper loading and unloading position. When the vehicle is not coplanar, the hydraulic lifting platform can be finely adjusted to enable the vehicle carrying platform and the carriage bottom plate to be in the same plane.
When unloading, the linear electric cylinder 18 is controlled to act, the piston end returns, the limiting corner block 15 at the piston end retreats from the upper edge of the car carrying platform 1 along the limiting hole, and the limiting of the front wheel 16 of the portal forklift is released. The motor M2 in the moving vehicle body 4 is controlled to act, the portal forklift moves, then the fork 14 of the portal forklift is controlled to push the bottom of the goods in the carriage, when the distance between the portal and the goods reaches a set value, namely the distance is close to the action distance of a sensor SQ2, the motor M2 in the moving vehicle body 4 stops automatically, the carriage 13 is controlled to ascend along the outer portal 11 to lift the goods to be separated from the bottom plate of the carriage, in order to keep the goods on the portal stable, the overturning motor 30 in the overturning mechanism can be controlled to act, the moving support 4 moves along the spiral shaft 6 under the action of the spiral sleeve 31, the four-bar mechanism of the variable connecting rod acts, and the portal inclines for a. And then the portal forklift is controlled to move out of the carriage and retreat onto the car loading platform 1, the rear wheel 3 of the portal forklift touches the tail end limit switch on the limit angle code 2, the limit of the rear wheel 3 is completed, and the motor M2 in the movable car body 4 stops acting and the linear electric cylinder 18 acts because the tail end limit switch is closed, the piston end of the electric cylinder extends out, the limit angle block 15 extends upwards from the limit hole, and the limit of the front wheel 16 of the portal forklift is completed. And then the hydraulic lifting platform is controlled to descend, the portal forklift and the goods are moved away, and the unloading operation is finished.
When loading, the goods placed on the fork 14 in advance are conveyed to the designated position in the carriage, then the portal forklift returns to the car carrying platform 1, the front wheels and the rear wheels are limited, the whole machine is controlled to move away, and the loading operation is completed.
According to the technical scheme, the container does not need to be unloaded from the container carrier, the vehicle carrying platform 1 of the hydraulic lifting platform and the bottom surface of the bottom plate in the carriage are at the same horizontal height, a dock leveler or a loading and unloading platform does not need to be erected, and the unmanned forklift is controlled to enter the carriage to load and unload goods and then returns to the vehicle carrying platform 1. The container is not required to be hoisted to the ground by using hoisting equipment, and the problems of container unloading cost output and safety in the process of hoisting heavy containers are solved; and an operator is not required to manually load and unload goods by using the hydraulic flat-plate forklift, so that the working strength is reduced. The separable forklift device for the loading and unloading operation of the high platform carriage has strong adaptability to loading and unloading places and low requirement on the loading and unloading places, and can flexibly and freely realize the loading and unloading of goods under the condition that a loading and unloading goods like containers cannot be installed on a dock leveler and a loading and unloading platform; like the loading and unloading goods of van, when the goods are heavier, the loading and unloading of the goods can be automatically and easily realized by the device. The portal fork truck and the car carrying platform 1 are separable, and to overweight goods, the whole carriage that gets into of portal fork truck, the fork of comparing among the prior art is installed on flexible arm, and obviously the stability of this device is higher. The fork is loaded with goods, and when portal fork truck and hydraulic lifting platform move as an organic whole, power supply unit between them can realize the sharing of connecting in parallel and provide power support for running gear jointly. When the forklift is in a non-working state, the hydraulic lifting platform is controlled to fall to the lowest position, the portal on the portal forklift is turned over to the movable forklift body, the space is saved, and the mistaken collision of the front end of the fork is avoided.
The above-described embodiments should not be construed as limiting the scope of the invention, and any alternative modifications or alterations to the embodiments of the present invention will be apparent to those skilled in the art.
Claims (6)
1. The utility model provides a high platform carriage loading and unloading operation is with separable fork truck device which characterized in that: the device is including cutting fork formula hydraulic lifting platform and convertible portal fork truck, hydraulic lifting platform carries platform, chassis, hydraulic pressure mechanism, elevating system, running gear and electrically controlled device including carrying, portal fork truck is equipped with the stop device supporting with portal fork truck including removing automobile body and portal assembly on the hydraulic lifting platform, stop device is including setting up at the spacing angle sign indicating number of carrying on the platform and setting up at the spacing frame of carrying the front end of platform, be equipped with the electronic jar of orthoscopic in the spacing frame, the piston end rigid coupling of the electronic jar of orthoscopic has spacing horn block, is provided with terminal limit switch with the inboard that removes the automobile body rear wheel contact on the spacing angle sign indicating number, terminal limit switch and electronic jar of orthoscopic and electrically controlled device electric connection.
2. The detachable forklift device for high platform car loading and unloading work according to claim 1, wherein: the power supply devices of the lifting platform and the gantry forklift can be separated and independently supplied with power and can be combined and integrally supplied with power, the vehicle carrying platform is provided with a power supply combination seat, the upper part of the power supply combination seat is fixedly provided with a current conducting plate, the lower part of the movable vehicle body is correspondingly provided with an interface plate, and when contacts on the interface plate are attached to the current conducting plate, the power supply combination of the lifting platform and the gantry forklift supplies power to the device integrally.
3. The detachable forklift device for high platform car loading and unloading work according to claim 2, wherein: carry the bench below and install the push rod motor, the arm is bent in the switching of push rod end, and the other end of cranking arm is connected and is rotated and install on the power combination seat, carry and set up the ladder export of leading that power supply combination seat and crank the arm and stretch out on the bench, ladder export in-connection has the protective cover, and the connecting axle of protective cover stretches out and is provided with the torsional spring on the section, and the free end of torsional spring butt is on protective cover and ladder export step respectively, be equipped with the convex ridge with protective cover contact department on the power combination seat, set up on the protective cover and slide complex recess with the convex ridge.
4. The detachable forklift device for high platform car loading and unloading work according to claim 3, wherein: the portal assembly includes outer portal, interior portal and installs the balladeur train on the portal in, installs the fork on the balladeur train, and the outer portal lower extreme is equipped with the jar tailboard, and articulated on the jar tailboard installs lift cylinder, and lift cylinder's piston outer end is connected on interior portal, and interior portal is connected with the balladeur train through the chain mechanism that the symmetry set up, chain mechanism includes sprocket and drive chain, and sprocket rotation sets up on the portal including, and drive chain's one end is fixed in the inboard of outer portal, and drive chain's the other end is walked around the sprocket after-fixing on the balladeur train, and the inboard of balladeur train is through lower pulley group and outer portal constitution sliding pair, and the inboard of interior portal is.
5. The detachable forklift device for high platform car loading and unloading work according to claim 4, wherein: a turnover mechanism is connected between the portal assembly and the moving vehicle body, the turnover mechanism comprises a turnover motor, a screw shaft, a moving support with a screw sleeve and a connecting rod assembly, one end of the screw shaft is connected with the output end of the motor, the other end of the screw shaft is rotationally connected on the moving vehicle body, the turnover motor is arranged on the moving vehicle body, the screw sleeve and the screw shaft form a screw pair, guide rails are arranged on two sides of the moving vehicle body, a guide sleeve which is in sliding fit with the guide rails is arranged on the moving support, the connecting rod assembly comprises a turning hydraulic cylinder and a side link rod which are symmetrically arranged, the piston end of the turning hydraulic cylinder is hinged to the outer door frame, the bottom end of the turning hydraulic cylinder is hinged to the moving support, one end of the side link rod is hinged to the outer door frame, the other end of the side link rod is hinged to the moving vehicle body, and the turning hydraulic cylinder, the side link rod, the moving support and the moving vehicle body form a four-rod mechanism of the variable connecting rod.
6. The detachable forklift device for high platform car loading and unloading work according to claim 1, wherein: the chassis is provided with a traveling wheel with a brake device, the lifting mechanism comprises a scissor arm group which is rotationally connected, the tail end parts of two scissor arms which are positioned at the upper back are rotationally connected on a back coupling, the tail end parts of two scissor arms which are positioned at the lower back are rotationally connected on a back rotating shaft, the two ends of the back coupling and the back rotating shaft are respectively provided with a roller wheel, the roller wheels of the back coupling respectively move along a guide groove on a vehicle carrying platform, the roller wheels of the back rotating shaft respectively move along the guide groove on the chassis, the tail end parts of two scissor arms which are positioned at the upper front are connected on a front coupling, the front coupling is switched on the vehicle carrying platform, the tail end parts of two scissor arms which are positioned at the lower front are fixedly connected on a front rotating shaft, the front rotating shaft is switched on the chassis, the front rotating shaft is also fixedly connected with one end of a piston crank arm, the other end of the piston crank arm is rotationally connected with, the hinged support is fixed on the bottom frame.
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| CN202010792380.2A CN111825012A (en) | 2020-08-09 | 2020-08-09 | Separable forklift device for loading and unloading operation of high platform carriage |
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| CN202010792380.2A CN111825012A (en) | 2020-08-09 | 2020-08-09 | Separable forklift device for loading and unloading operation of high platform carriage |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113373838A (en) * | 2021-05-28 | 2021-09-10 | 威海广泰空港设备股份有限公司 | Hydraulic loading and unloading system and automatic obstacle setting vehicle |
| CN113548605A (en) * | 2021-06-30 | 2021-10-26 | 华中科技大学鄂州工业技术研究院 | Loading and unloading forklift with rigid chain |
| CN114803973A (en) * | 2022-06-07 | 2022-07-29 | 北京市政路桥管理养护集团有限公司 | Trench cover plate installation device and method |
| CN115072622A (en) * | 2022-06-15 | 2022-09-20 | 中国工程物理研究院激光聚变研究中心 | Supporting device of heavy-load clamp and multi-degree-of-freedom heavy-load installation vehicle thereof |
| CN115849042A (en) * | 2023-02-01 | 2023-03-28 | 苏州双祺自动化设备有限公司 | Multifunctional loading and unloading goods lifting equipment |
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2020
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113373838A (en) * | 2021-05-28 | 2021-09-10 | 威海广泰空港设备股份有限公司 | Hydraulic loading and unloading system and automatic obstacle setting vehicle |
| CN113373838B (en) * | 2021-05-28 | 2022-02-01 | 威海广泰空港设备股份有限公司 | Hydraulic loading and unloading system and automatic obstacle setting vehicle |
| CN113548605A (en) * | 2021-06-30 | 2021-10-26 | 华中科技大学鄂州工业技术研究院 | Loading and unloading forklift with rigid chain |
| CN114803973A (en) * | 2022-06-07 | 2022-07-29 | 北京市政路桥管理养护集团有限公司 | Trench cover plate installation device and method |
| CN115072622A (en) * | 2022-06-15 | 2022-09-20 | 中国工程物理研究院激光聚变研究中心 | Supporting device of heavy-load clamp and multi-degree-of-freedom heavy-load installation vehicle thereof |
| CN115072622B (en) * | 2022-06-15 | 2023-08-22 | 中国工程物理研究院激光聚变研究中心 | Supporting device of heavy-duty clamp and multi-degree-of-freedom heavy-duty mounting vehicle thereof |
| CN115849042A (en) * | 2023-02-01 | 2023-03-28 | 苏州双祺自动化设备有限公司 | Multifunctional loading and unloading goods lifting equipment |
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