CN115744741A - Transport fork truck capable of loading multiple goods - Google Patents

Abstract

The invention relates to the related technical field of carrying machinery and discloses a carrying fork truck capable of loading multiple cargos.

Description

Transport fork truck capable of loading multiple goods

Technical Field

The invention relates to the related technical field of carrying machinery, in particular to a carrying fork truck capable of loading multiple cargos.

Background

A forklift is an industrial transport vehicle, and refers to various wheel type transport vehicles for loading, unloading, stacking, and short-distance transportation of piece pallet goods. It is commonly used for transportation of large storage goods, and is usually driven by an oil-burning engine or a battery. The forklift can be roughly classified into a truck and a forklift according to a functional classification. The carrier is used for carrying goods as the name implies, does not need to bear the stacking function, only needs to transfer the goods from one place to another place, and has the fork lifting height generally not higher than 300mm; the stacker is used for stacking cargoes as the name implies, has the main function of stacking cargoes, generally does not bear the function of carrying cargoes, and only needs to stack a plurality of cargoes placed at one position. The transport vehicle and the stacking vehicle respectively perform their own functions and cooperate with each other to complete the transportation and stacking of the goods.

However, when the goods are taken by the existing carrier through forking, the goods of a single tray can be taken through forking at one time, and then the goods of the single tray can be carried, so that the efficiency is extremely low, and the ever-increasing logistics demand can not be met. If the carrying efficiency is increased, the number of carrying trolleys is increased, the operation cost is greatly increased, the maintenance cost is increased, the working difficulty of a dispatching system is increased, and the working intensity and the working load of dispatching workers are increased;

in order to solve the problem, the carrier with the prior patent number of CN216190838U provides the following technical scheme: the telescopic device comprises a shell, a first telescopic assembly and a second telescopic assembly, wherein a first guide rail and a second guide rail are arranged on the shell; the first telescopic assembly comprises a first driving piece, a sliding plate, a lifting mechanism and a first pallet fork, the sliding plate is slidably mounted on the first guide rail, and the first driving piece is connected with the sliding plate to drive the sliding plate to move along the first guide rail; the lifting mechanism is arranged on the sliding plate so that the lifting mechanism can move together with the sliding plate, and the first fork is connected with the lifting mechanism so as to move in the vertical direction under the driving of the lifting mechanism; the second telescopic assembly comprises a second driving part and a second fork connected with the second driving part, the second fork is slidably mounted on the second guide rail, so that the second fork can move along the direction of the second guide rail under the driving of the second driving part, the technical scheme adopts guide rail movement to realize telescopic insertion legs and telescopic covering forks, and further to realize double-tray carrying, but the effect realized by the technical scheme is only suitable for carrying and cannot complete stacking, and due to the structural problem, the carrying of the double-tray can only be realized during carrying, the improvement on the carrying efficiency is limited, meanwhile, the lifting height is too low, when the stacking of goods in the trays is too high, the vehicle needs to move for a distance to release another tray after one tray is put down, so that the carrying efficiency of the vehicle is reduced, and meanwhile, when the carrying vehicle adopting the technical scheme carries the goods which need to be placed to a high place, another high vehicle needs to be matched, so that the carrying efficiency of the vehicle under the condition is extremely low, therefore, the U.A patent number of No. 190838 is extremely small, and the carrying vehicle is not suitable for popularization and the carrying capacity of the carrying vehicle is extremely low.

The invention provides a transporting fork truck capable of loading multiple cargos, aiming at solving the problems that the transporting efficiency of the transporting truck is low, the application range of the existing double-tray transporting truck is small, the trays with higher tray cargos cannot be transported efficiently, the stacking function cannot be realized and the like.

Disclosure of Invention

Aiming at the defects of the prior carrier provided in the background technology in the using process, the invention provides a transporting and stacking vehicle capable of loading multiple cargos, which has the advantage of transporting multiple pallets and solves the technical problems provided in the background technology.

The invention provides the following technical scheme: the utility model provides a transport fork truck that can load many goods, includes the fork truck shell, universal drive wheel has been inlayed in the fork truck shell bottom, the inner wall middle part of fork truck shell is provided with promotes the platform, and promotes and be connected through lifting mechanism between platform and the fork truck shell bottom, the inner wall activity of fork truck shell is provided with the bottom fork that is located the promotion platform both sides, and the bottom fork is connected with the fork truck shell through flexible lifting structure, promote platform surface one side movable mounting and have a rotation portal, and promote the platform and be provided with on the surface with rotate portal transmission complex portal slewing mechanism, realize that portal slewing mechanism will rotate portal jack-up and with promote to deflect between the platform surface, sliding fit has folding fork on the rotation portal, one side of fork truck shell is equipped with fork truck front bumper, folding fork passes fork truck front bumper and is located the outside of fork truck shell, portal slewing mechanism is located the both sides of rotation portal, the surface of fork truck shell is provided with places the panel, the one end fixedly connected with of fork truck shell is located the backplate of placing panel one side, and slewing mechanism cooperation realizes that the goods are placed in order and place on the panel.

Preferably, folding fork includes fork board, fork backplate, fork frame and inserts a slewing mechanism, fork board, fork backplate and insert a slewing mechanism and be equipped with two altogether, two fork board one end is articulated with two fork backplate lower extremes respectively, and inserts a slewing mechanism and arrange the inner wall bottom of fork backplate in, two on the vertical fork backplate that is fixed in fork frame terminal surface, and two fork backplate symmetrical arrangement, the fork frame slides and is fixed in on the rotation portal.

Preferably, the rotating portal frame comprises an outer portal frame, an inner portal frame, a chain wheel fixing frame, a front lifting oil cylinder, an oil cylinder bottom plate, a rear lifting oil cylinder, a rotating shaft, a hinge shaft and a portal frame shell, the outer portal frame comprises a left channel steel and a right channel steel, the outer portal frame is arranged on the left side and the right side of the inner portal frame and is in sliding fit with the inner portal frame, the oil cylinder bottom plate is arranged at the bottom of the inner portal frame, the front lifting oil cylinder is fixed on the upper end surface of the oil cylinder bottom plate, the front lifting oil cylinder is positioned on the inner side of the inner portal frame, the chain wheel fixing frame is fixed on the upper end surface of the front lifting oil cylinder, the fork frame is in sliding fit with the inner portal frame, the fork frame is matched with the chain wheel fixing frame through a chain, one end of the chain is fixedly connected with the fork frame, and the other end of the chain is fixedly connected with the oil cylinder bottom plate after passing through the chain wheel fixing frame, the lower end of the fork frame is fixedly connected with an oil cylinder bottom plate through an extension spring, the number of the rear lifting oil cylinders is two, the rear lifting oil cylinders are symmetrically arranged on the left side and the right side of the outer gantry, the lower end of the rear lifting oil cylinder is fixedly connected with the bottom of the outer gantry, the upper ends of the rear lifting oil cylinders are fixedly connected with the upper end of the inner gantry, the number of the gantry shells is two, the two gantry shells are symmetrically fixed on the left side and the right side of the outer gantry, the rear lifting oil cylinders are arranged between the gantry shells and the outer gantry, a rotating shaft is fixed at the bottom of the outer side of the gantry shells, the rotating gantry is fixedly connected with a lifting platform through the rotating shaft, a hinge shaft is fixed at the center position of the outer side of the gantry shells, and the rotating gantry is in transmission fit with a gantry rotating mechanism.

Preferably, the gantry rotating mechanisms comprise a sliding block, a supporting rocker arm and a hydraulic oil cylinder, the hydraulic oil cylinder is embedded in the surface of the lifting platform, an expansion rod of the hydraulic oil cylinder is fixedly connected with the sliding block, the sliding block is arranged on the surface of the lifting platform in a sliding mode, the upper end of the sliding block is rotatably connected with one end of the supporting rocker arm, the other end of the supporting rocker arm is rotatably connected with the hinge shaft, the two gantry rotating mechanisms are arranged, and the two gantry rotating mechanisms are respectively arranged on the left side and the right side of the rotating gantry.

Preferably, the inserted frame slewing mechanism includes regulating block and ejecting spring, regulating block movable mounting is in the bottom of fork backplate, and the regulating block is located fork board tip one side, the top fixed mounting of regulating block has the ejecting spring that is arranged in the fork backplate, the top threaded connection of fork backplate has adjusting bolt, and blocks when stretching out the fork board and be ninety degrees contained angle between real fork board and the fork backplate, when promoting the platform and move down to the extreme lower position, leave five to ten centimetres gaps between fork backplate and the fork truck front fender inner wall, and the axis of rotation between fork board and the fork backplate apart from the distance of fork truck front fender top end face is fork plate thickness value, the axis of rotation and the axis of rotation of fork board are in coaxial arrangement.

Preferably, the bottom cross sectional shape of regulating block is established to the toper, the one end of fork board is provided with the boss, and the lateral wall of regulating block be provided with the fork board on the recess of boss adaptation, the lateral wall movable mounting of fork backplate has the anticreep rack, the draw-in groove with the anticreep rack adaptation is seted up to the lateral wall of regulating block, one side movable mounting anticreep spring of anticreep rack, and the anticreep spring is located inside the fork backplate, the one end of anticreep rack is passed the fork backplate and is located the outside of fork backplate, one side fixed mounting that the fork truck kept off before has the magnetic path of magnetism to the anticreep rack.

Preferably, the inner wall movable mounting of fork backplate has the detection stock, and the regulating block is located the inboard that detects the stock, the inner wall and the anticreep spring swing joint that detect the stock, the anticreep rack is located the inboard that detects the stock, and the inboard movable mounting that detects the stock has the limit power ball, the ball groove with the limit power ball adaptation is seted up to the lateral wall of regulating block.

The invention has the following beneficial effects:

1. according to the invention, the rotating portal frame and the lifting platform are arranged in the shell of the forklift, and the folding fork and the bottom fork are lifted in a matched manner, so that the pallet is gradually placed on the placing panel according to the rotating portal frame in the placing process of the pallet, the loading capacity of the forklift is increased, the carrying efficiency is greatly increased, and the purpose of carrying multiple pallets is finally achieved.

2. According to the invention, the rotary portal frame and the portal frame rotating mechanism are combined for use, and the lifting of the portal frame rotating mechanism is combined, so that the rotary portal frame is increased in the stacking height of goods in a vertical state, the use range of work is enlarged, the combined use of external forklifts during stacking is reduced, the work efficiency is enhanced, and the purpose of easy goods stacking is finally achieved.

3. According to the invention, the fork rotating mechanism is arranged between the fork back plate and the fork plate, and the phenomenon of potential safety hazard increase of the rotating gantry due to overlarge bearing force on the fork plate is avoided in the stacking process of the fork plate under the driving of the limiting ball clamped in the adjusting block and the elastic force of the ejection spring in the switching process of the fork rotating mechanism, meanwhile, the adjusting block can be retracted into the fork back plate according to the contact between the adjusting block and the front baffle of the forklift, so that the fork plate and the fork back plate are ensured to be switched to one hundred eighty degrees without intervention, the operation personnel can be kept away from a carrying area all the time in the operation process of the fork plate, the safety performance in the carrying process is greatly increased, and the purposes of easily switching the use states and overload protection under different use scenes are finally realized.

Drawings

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

FIG. 2 is a schematic view of the overall bottom structure of the present invention;

FIG. 3 is a schematic view of the stacked configuration of the present invention;

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

FIG. 5 is a schematic structural view of a gantry rotating mechanism according to the present invention;

FIG. 6 is a schematic view of the structure of the rotating mechanism of the inserting frame of the present invention;

FIG. 7 isbase:Sub>A schematic cross-sectional view taken at A-A of FIG. 6 in accordance with the present invention;

FIG. 8 is a side view of the pallet fork of the present invention.

In the figure: 1. folding the pallet fork; 2. rotating the gantry; 3. a gantry rotating mechanism; 4. placing a panel; 5. lifting the platform; 6. a tailgate; 7. a forklift housing; 701. a front fork truck stop; 8. a bottom fork; 9. a universal driving wheel; 10. a magnetic block; 11. a pallet fork plate; 12. a fork back plate; 13. a fork carriage; 14. a rack rotating mechanism; 140. adjusting the bolt; 141. ejecting a spring; 142. detecting a sleeve frame; 143. a force-limiting ball; 144. an adjusting block; 145. an anti-drop rack; 146. an anti-drop spring; 21. an outer gantry; 22. an inner gantry; 23. a sprocket fixing frame; 24. a front lifting oil cylinder; 25. a cylinder bottom plate; 26. a rear lifting oil cylinder; 27. a rotating shaft; 28. a hinge axis; 29. a gantry housing; 31. a support rocker arm; 32. a slider; 33. and a hydraulic oil cylinder.

Detailed Description

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

Referring to fig. 1-3, a transporting forklift capable of loading multiple cargos comprises a forklift housing 7, universal driving wheels 9 embedded in the bottom surface of the forklift housing 7, four universal driving wheels 9 uniformly distributed on the lower end surface of the forklift housing 7, a lifting platform 5 arranged in the middle of the inner wall of the forklift housing 7 and connected with the bottom of the forklift housing 7 through a lifting mechanism, such as a hydraulic lifting or scissors telescopic frame in the prior art, according to the control of universal pulleys in the prior art, the universal driving wheels 9 are ensured to drive the forklift housing 7 to realize the functions of movement and steering, and how to realize the universal mechanism is not described herein, so as to ensure that the lifting platform 5 can be controlled to move up and down to ensure the subsequent transfer of cargos to provide a power source, the inner wall of the forklift shell 7 is movably provided with bottom forks 8 positioned at two sides of the lifting platform 5, the bottom forks 8 are connected with the forklift shell 7 through a telescopic lifting structure, and a telescopic lifting mechanism mainly lifts and stretches the bottom forks 8 up and down in the inner wall of the forklift shell 7, the technical scheme adopted by the forklift is that the conventional technical means is known in the prior art, functions of the forklift are realized through hydraulic lifting and hydraulic stretching as mentioned above, aiming at the specific implementation of the lifting and stretching, the detailed description is not needed in the application, and the implementation of other schemes of the invention can be met only by ensuring that the operation can be realized, the rotating portal 2 is movably arranged at one side of the surface of the lifting platform 5, the surface of the lifting platform 5 is provided with the portal rotating mechanism 3 in transmission fit with the rotating portal 2, so that the portal rotating mechanism 3 jacks up the rotating portal 2 and deflects between the rotating portal 2 and the surface of the lifting platform 5, and sliding fit has folding fork 1 on rotating portal 2, and be equipped with fork truck front bumper 701 in one side of fork truck shell 7, its folding fork 1 passes fork truck front bumper 701 and is located the outside of fork truck shell 7, portal slewing mechanism 3 is located the both sides of rotating portal 2, be provided with on the surface of fork truck shell 7 and place panel 4, and be located the backplate 6 of placing panel 4 one side at the one end fixedly connected with of fork truck shell 7, through rotating portal 2, promote platform 5 and the cooperation of portal slewing mechanism 3 and realize that the goods are placed in proper order on placing panel 4 when placing, with this guarantee fork truck shell 7 in the in-process of carrying the goods, can transport a plurality of pallets simultaneously, great reinforcing its fork truck shell 7's transport ability, and can withdraw to the inner chamber of fork truck shell 7 through bottom fork 8 and folding fork 1, great reduction the radius in the transportation, in order to be suitable for the transportation under the different operating modes.

Referring to fig. 1 and 3, in order to refine the structure of the folding fork 1, the folding fork 1 includes two fork plates 11, two fork back plates 12 and two fork rotating mechanisms 14, one end of each of the two fork plates 11 is hinged to the lower ends of the two fork back plates 12, the fork rotating mechanism 14 is disposed at the bottom of the inner wall of the fork back plate 12, the two fork back plates 12 are vertically fixed on the end faces of the fork frame 13, the two fork back plates 12 are symmetrically arranged, the fork frame 13 is slidably fixed on the rotating gantry 2, and the fixing angle between the fork plates 11 and the fork back plates 12 can be adaptively changed in the subsequent transferring and stacking process of pallets by limiting the structure of the folding fork 1 and combining with the intervention of the fork rotating mechanism 14, so as to adapt to the subsequent work.

Referring to fig. 3 and 4, in order to refine the structure of the rotating gantry 2, the rotating gantry 2 includes an outer gantry 21, an inner gantry 22, a sprocket fixing frame 23, a front lifting cylinder 24, a cylinder bottom plate 25, a rear lifting cylinder 26, a rotating shaft 27, a hinge shaft 28 and a gantry housing 29, the outer gantry 21 includes left and right channel steel, the outer gantry 21 is disposed on the left and right sides of the inner gantry 22, the outer gantry 21 is slidably fitted with the inner gantry 22, a cylinder bottom plate 25 is disposed at the bottom of the inner gantry 22, the front lifting cylinder 24 is fixed on the upper end surface of the cylinder bottom plate 25, the front lifting cylinder 24 is disposed on the inner side of the inner gantry 22, the sprocket fixing frame 23 is fixed on the upper end surface of the front lifting cylinder 24, a fork frame 13 is slidably fitted on the inner gantry 22, the fork frame 13 is fitted with the sprocket fixing frame 23 through a chain, one end of the chain is fixedly connected with the fork frame 13, the other end of the chain is fixedly connected with the cylinder bottom plate 25 after passing through the sprocket fixing frame 23, the lower end of the chain is fixedly connected with the cylinder bottom plate 25, the rear lifting cylinder 27, the rear lifting cylinder 26 is fixedly connected with the rotating gantry mounting frame 2 through a tension spring, two rear lifting cylinder housings are disposed on the left and are connected with the rotating gantry fixing frame outer gantry 2, the rotating gantry fixing frame rotating gantry mounting frame 21, the rotating gantry housing 29, the rotating gantry mounting frame 27, the rotating gantry mounting frame is connected with the rotating gantry housing 29 through the hinge shaft 29, the rotating gantry 2, the rotating gantry mounting frame 21, the hinge shaft 29, the rotating gantry mounting frame 21 and the rotating gantry mounting frame 21, two lifting cylinder housing 29, guarantee the goods when transporting to fork board 11 through bottom fork 8 on, arrange and combine the promotion of lift platform 5 according to the structure that rotates between the portal 2, cause the pallet on the fork board 11 to be placed on placing panel 4, fork board 11 places the pallet on placing panel 4 according to flexible, cause the surface of placing panel 4 to place the quantity and increase to this conveying quantity to the pallet when lightening the single transport, great increase pallet is in the efficiency of transportation in-process.

Referring to fig. 3-5, in order to refine the structure of the gantry rotation mechanism 3, the gantry rotation mechanism 3 includes a slider 32, a support rocker 31 and a hydraulic cylinder 33, the hydraulic cylinder 33 is embedded on the surface of the lifting platform 5, a telescopic rod of the hydraulic cylinder 33 is fixedly connected with the slider 32, the slider 32 is slidably disposed on the surface of the lifting platform 5, the upper end of the slider 32 is rotatably connected with one end of the support rocker 31, the other end of the support rocker 31 is rotatably connected with the hinge shaft 28, two gantry rotation mechanisms 3 are provided, the two gantry rotation mechanisms 3 are respectively disposed on the left side and the right side of the rotation gantry 2, so that the turning-out and the storage of the rotation gantry 2 are further realized by the intervention of the hydraulic cylinder 33 through the movement of the slider 32, it is ensured that the rotation gantry 2 is jacked up according to the gantry rotation mechanism 3 in the stacking process, the stacking height is increased, the intervention phenomenon of an external forklift is avoided, and the efficiency of the work is improved.

Referring to fig. 3, 5, 6 and 8, in order to adapt to the 90 ° -180 ° switching between the fork plate 11 and the fork back plate 12 during the transportation and stacking of the fork plate 11, the cradle rotating mechanism 14 includes an adjusting block 144 and an ejecting spring 141, the adjusting block 144 is movably mounted at the bottom of the fork back plate 12, the adjusting block 144 is located at one side of the end of the fork plate 11, the ejecting spring 141 located in the fork back plate 12 is fixedly mounted at the top end of the adjusting block 144, the top end of the fork back plate 12 is in threaded connection with an adjusting bolt 140 for adjusting the extrusion amount of the ejecting spring 141, the adjusting block 144 blocks the fork plate 11 when extending out to realize that the included angle between the fork plate 11 and the fork back plate 12 is ninety degrees, and when the lifting platform 5 moves down to the lowest position, a gap of five to ten centimeters is left between the fork back plate 12 and the inner wall of the front block 701, and the distance between the rotating axis between the fork plate 11 and the fork back plate 12 and the top end face of the front fork stop 701 is the thickness value of the fork plate 11, the rotating axis 27 and the rotating axis of the fork plate 11 are arranged coaxially, so that the lifting platform 5 moves downwards to the bottommost part, the fork plate 11 is placed on the front fork stop 701, and when the portal frame 2 is pushed out by the portal frame rotating mechanism 3 and is in a vertical state with the lifting platform 5, because the fork plate 11 is placed on the front fork stop 701 at this time, the adjusting block 144 ensures that when the rotating portal frame 2 deflects in the actual use process, the fork plate 11 and the fork back plate 12 rotate relatively, the stress of the fork plate 11 is kept on the front fork stop 701 all the time, so that the adjusting block 144 can be pushed out under the action of the ejecting spring 141, thereby limiting the rotation of the fork plate 11, and further blocking the fork plate 11, the fork plate 11 is limited to guarantee that the fork plate 11 and the fork back plate 12 are arranged at ninety degrees in the stacking process, the rotating gantry 2 is convenient to rotate, when the fork plate 11 is lifted, the fork plate 11 is guaranteed not to deflect due to the extension of the adjusting block 144, and the stable lifting of the pallet is kept.

Referring to fig. 1, 3, 6 and 8, in order to achieve that the load on the fork plates 11 is detected first, when the rotating gantry 2 is jacked due to the heavy load of the fork plates 11, the rotating gantry 2 cannot support the weight of the goods due to the strength of the rotating gantry 2, and the goods fall from the high place, the cross-sectional shape of the bottom end of the adjusting block 144 is made to be conical, a round boss is arranged at one end of the fork plates 11, a groove matched with the round boss on the fork plates 11 is arranged on the side wall of the adjusting block 144, so that the adjusting block 144 tends to jack upwards during the process of the load of the fork plates 11, the fork plates 11 are guaranteed to deflect due to the self-deflection of the fork plates 11 after the load, and the bottom forks 8 are located below the fork plates 11, because the cargo fork plate 11 can be jacked up first to prevent the cargo from being damaged because the cargo falls directly onto the ground when falling, and meanwhile, the anti-falling rack 145 is movably mounted on the side wall of the cargo fork back plate 12, the side wall of the adjusting block 144 is provided with a clamping groove matched with the anti-falling rack 145, the anti-falling spring 146 is movably mounted on one side of the anti-falling rack 145, the anti-falling spring 146 is positioned inside the cargo fork back plate 12, one end of the anti-falling rack 145 penetrates through the cargo fork back plate 12 and is positioned on the outer side of the cargo fork back plate 12, meanwhile, the magnetic block 10 magnetically attracting the anti-falling rack 145 is fixedly mounted on one side of the forklift front baffle 701, the top end of the magnetic block 10 is ten to fifteen centimeters higher than the end face of the forklift front baffle 701, and therefore, during stacking of the cargo fork plate 11, the cargo fork plate 11 can be lifted by the bottom cargo fork 8, when the fork plate 11 is stressed too much, the ejection spring 141 is compressed, so that the fork plate 11 deflects, goods fall from the fork plate 11 onto the bottom fork 8, lifting action cannot be finished, safety hazards caused by too much lifted weight cannot occur due to the rotating gantry 2, meanwhile, the cross section of the bottom end of the adjusting block 144 is set to be conical, so that when the fork back plate 12 is required to be placed at one hundred eighty degrees with the fork plate 11, the adjusting block 144 is contacted with the front fork stop 701 of the forklift due to falling of the lifting platform 5, the adjusting block 144 is forced to press the fork back plate 12 through resistance of the front fork stop 701 of the forklift, and when the lifting platform 5 moves and is separated from the magnetic block 10, the anti-falling rack 145 is pressed on the adjusting block 144 due to elasticity of the anti-falling spring 146, so that output of the adjusting block 144 is limited, it is ensured that the fork plate 11 is always kept connected with the fork back plate 12 at one hundred eighty degrees, and similarly, when the fork back plate 11 and the fork back plate 12 are ninety degrees, the anti-falling rack 145 is pressed on the adjusting block 145, and when the fork back plate 11 is stacked continuously, the fork plate 11 is separated from the magnetic block 11, and the stacking stability of the fork plate is ensured, and the fork plate 11 is separated from the lifting rack 11 is kept.

Referring to fig. 1, 6-8, in order to ensure that the adjusting block 144 generates less resistance to the collision of the front fork stop 701 when retracting to the fork back plate 12, and at the same time, to prevent the load on the fork plate 11 from slightly compressing the ejecting spring 141, the fork plate 11 itself deflects but the goods are not separated from the fork plate 11, i.e. the load is slightly greater than the structural bearing force, and when the ejecting spring 141 is compressed, the elastic force thereof will continuously increase, although the lifting height is maintained, since the fork plate 11 will be vibrated by the movement of the fork shell 7, thereby causing the safety hazard that the goods on the fork plate 11 are easy to fall off, the detecting sleeve frame 142 is movably mounted on the inner wall of the fork back plate 12, and the adjusting block 144 is located inside the detecting sleeve frame 142, and is movably connected with the anti-falling spring 146 through the inner wall of the detecting sleeve frame 142, the anti-falling rack 145 is positioned at the inner side of the detection rack 142, the force limiting ball 143 is movably arranged at the inner side of the detection rack 142, and the side wall of the adjusting block 144 is provided with a ball groove matched with the force limiting ball 143, so that the adjusting block 144 is ensured to be ejected by the ejecting spring 141 in the actual working process, the force limiting ball 143 is clamped in the ball groove of the side wall of the adjusting block 144, when the cargo fork plate 11 has weight, the weight needs to overcome the suction force of the magnet 10 on the anti-falling rack 145, namely the adjusting block 144 is separated from the force of the force limiting ball 143 clamped in the ball groove and the elastic force of the ejecting spring 141, under the action of the two forces, the limiting force borne by the adjusting block 144 is the superposition of the limiting force between the two forces, when the stress on the cargo fork plate 11 is greater than the breakthrough limiting force, the force limiting ball 143 is forced to be extruded from the ball groove, and the force limiting ball 143 is in a rolling state at the side wall of the adjusting block 144, great its confining force of reduction, and ejecting spring 141 is owing to be used for only pushing out the factor of establishing with regulating block 144 and be not enough to keep out the whole thrust of regulating block 144 this moment, cause pressure on the fork board 11 in case be greater than the dynamics that sets up, can make fork board 11 directly incline, make the goods fall to on bottom fork 8, avoid rotating portal 2 and appear lifting overload's phenomenon when the protection goods, and in the same way, when the goods on the fork board 11 is not in the overload, after anticreep rack 145 promotes and breaks away from magnetic path 10, can receive the factor of anticreep spring 146 elasticity and cause anticreep rack 145 to suppress on regulating block 144, guarantee that regulating block 144 is in the locking state all the time, guarantee the stable operation of stack, still guarantee to rotate portal 2 and can not appear the potential safety hazard because of overloading.

The working principle of the invention is as follows:

the loading and transporting process comprises the following steps: when goods need to be transported, the bottom fork 8 extends out of the forklift shell 7, the goods are forked and lifted, when the height exceeds the initial height of the folding fork 1, the folding fork 1 extends out of the forklift shell 7 and moves to the lower side of the goods, at the moment, the bottom fork 8 descends, the goods fall onto the folding fork 1, the lifting platform 5 is lifted, the folding fork 1 is driven to be lifted, when the bottom height of the goods exceeds the height of the placing panel 4, the front lifting oil cylinder 24 extends to drive the fork frame 13 to move backwards, when the rear end of the goods reaches the rear baffle 6, the lifting platform 5 descends to drive the folding fork 1 to descend, the goods are stably placed on the placing panel 4, the operations are repeated until the placing panel 4 is filled with the goods, at the moment, the bottom fork 8 extends out of the forklift shell 7 to fork and lift the goods, then, the universal driving wheels 9 are started to drive the goods to move, and the goods are transported.

Unloading state: when goods need to be unloaded, the bottom fork 8 descends, the goods on the bottom fork 8 are placed on the ground, meanwhile, the lifting platform 5 is lifted, the folding fork 1 is driven to lift, the goods placed on the panel 4 are lifted by the folding fork 1, then the front lifting oil cylinder 24 contracts, the fork frame 13 is driven to move forwards, when the rear end of the goods reaches the position above the bottom fork 8, the bottom fork 8 lifts, the folding fork 1 descends, when the goods are lifted by the bottom fork 8, the folding fork 1 contracts into the forklift shell 7, the bottom fork 8 descends, the goods on the bottom fork 8 are placed on the ground, and the above operations are repeated until all the goods placed on the panel 4 are placed on the ground.

And (3) stacking state: when the placement position of the goods to be unloaded is high, the bottom fork 8 extends out of the forklift shell 7 to fork and lift the goods, when the height exceeds the initial height of the folding fork 1, the folding fork 1 extends out of the forklift shell 7 and moves to the lower side of the goods, at the moment, the bottom fork 8 descends, the goods fall onto the folding fork 1, the hydraulic cylinder 33 contracts to drive the sliding block 32 to move, the supporting rocker 31 is further pushed to rotate, the supporting rocker 31 pushes the rotating portal 2 to rotate, the rotating portal 2 is further supported to be in a vertical state, at the moment, the inserting frame rotating mechanism 14 intervenes to enable the fork plate 11 and the fork back plate 12 to be in a 90-degree included angle state, at the moment, the front lifting cylinder 24 and the rear lifting cylinder 26 are lifted to lift the folding fork 1 to the required height, then the forklift is moved to place the goods to the required position, then the forklift retreats, the front lifting cylinder 24 and the rear lifting cylinder 26 contract, then the hydraulic cylinder 33 extends to restore the folding fork 1 to the original height, the stacking operation is repeated, and the high-place goods.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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 appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a transport fork truck of many cargos can load, includes fork truck shell (7), its characterized in that: the forklift is characterized in that universal driving wheels (9) are embedded in the bottom face of the forklift shell (7), a lifting platform (5) is arranged in the middle of the inner wall of the forklift shell (7), the lifting platform (5) is connected with the bottom of the forklift shell (7) through a lifting mechanism, bottom forks (8) located on two sides of the lifting platform (5) are movably arranged on the inner wall of the forklift shell (7), the bottom forks (8) are connected with the forklift shell (7) through a telescopic lifting structure, a rotating portal frame (2) is movably arranged on one side of the surface of the lifting platform (5), a portal rotating mechanism (3) in transmission fit with the rotating portal frame (2) is arranged on the surface of the lifting platform (5), the portal rotating mechanism (3) jacks up the rotating portal frame (2) and deflects between the surface of the lifting platform (5), a folding portal rotating fork (1) is movably matched with the rotating portal frame (2), a front baffle (701) of the forklift is arranged on one side of the forklift shell (7), the forklift shell (3) penetrates through the front baffle (701) located on one side of the front baffle (4) located on the surface of the forklift shell (7), and a baffle (4) located on one side of the forklift shell (7) is arranged on the forklift shell (4), and the rotating portal frame (2), the lifting platform (5) and the portal frame rotating mechanism (3) are matched to realize that goods are orderly placed on the placing panel (4) when being placed.

2. The transporting forklift capable of loading multiple cargos as claimed in claim 1, wherein: folding fork (1) is including fork board (11), fork backplate (12), fork frame (13) and inserted frame slewing mechanism (14), fork board (11), fork backplate (12) and inserted frame slewing mechanism (14) are equipped with two altogether, two fork board (11) one end is articulated with two fork backplate (12) lower extreme respectively, and inserts frame slewing mechanism (14) and arrange the inner wall bottom of fork backplate (12) in, two fork backplate (12) are vertical to be fixed in on fork frame (13) terminal surface, and two fork backplate (12) symmetrical arrangement, fork frame (13) slide to be fixed in on rotating portal (2).

3. The multi-cargo carrying forklift as claimed in claim 2, wherein: the rotary gantry (2) comprises an outer gantry (21), an inner gantry (22), a chain wheel fixing frame (23), a front lifting oil cylinder (24), an oil cylinder bottom plate (25), a rear lifting oil cylinder (26), a rotating shaft (27), a hinge shaft (28) and a gantry shell (29), wherein the outer gantry (21) comprises left and right channel steel, the outer gantry (21) is arranged on the left and right sides of the inner gantry (22), the outer gantry (21) is in sliding fit with the inner gantry (22), the oil cylinder bottom plate (25) is arranged at the bottom of the inner gantry (22), the front lifting oil cylinder (24) is fixed on the upper end surface of the oil cylinder bottom plate (25), the front lifting oil cylinder (24) is positioned on the inner side of the inner gantry (22), the chain wheel fixing frame (23) is fixed on the upper end surface of the front lifting oil cylinder (24), the fork frame (13) is in sliding fit with the inner gantry (22), one end of the chain is fixedly connected with the fork frame (13) through the chain wheel, the other end of the chain passes through the chain wheel fixing frame (23) and is fixedly connected with the lower end of the outer gantry (21) through a spring, and the two lifting oil cylinders (26) are symmetrically arranged on the left side of the outer gantry (21), the lower end of each rear lifting oil cylinder (26) is fixedly connected with the bottom of the outer gantry (21), the upper ends of the two rear lifting oil cylinders (26) are fixedly connected with the upper end of the inner gantry (22), two gantry shells (29) are arranged, the two gantry shells (29) are symmetrically fixed on the left side and the right side of the outer gantry (21), the rear lifting oil cylinders (26) are arranged between the gantry shells (29) and the outer gantry (21), a rotating shaft (27) is fixed at the bottom of the outer side of each gantry shell (29), the rotating gantry (2) is fixedly connected with the lifting platform (5) through the rotating shaft (27), a hinge shaft (28) is fixed at the center position of the outer side of each gantry shell (29), and the rotating gantry (2) is in transmission fit with the gantry rotating mechanism (3) through the hinge shaft (28).

4. The transporting forklift capable of loading multiple cargos as claimed in claim 1, wherein: the gantry rotating mechanism (3) comprises a sliding block (32), a supporting rocker arm (31) and a hydraulic oil cylinder (33), the hydraulic oil cylinder (33) is embedded on the surface of the lifting platform (5), an expansion rod of the hydraulic oil cylinder (33) is fixedly connected with the sliding block (32), the sliding block (32) is arranged on the surface of the lifting platform (5) in a sliding mode, the upper end of the sliding block (32) is rotatably connected with one end of the supporting rocker arm (31), the other end of the supporting rocker arm (31) is rotatably connected with the hinge shaft (28), the gantry rotating mechanism (3) is provided with two parts, and the gantry rotating mechanism (3) is respectively arranged on the left side and the right side of the rotating gantry (2).

5. A multiple cargo carrying forklift as claimed in claim 3, wherein: the inserting frame rotating mechanism (14) comprises an adjusting block (144) and an ejection spring (141), the adjusting block (144) is movably installed at the bottom of a fork back plate (12), the adjusting block (144) is located on one side of the end portion of the fork plate (11), the ejection spring (141) located in the fork back plate (12) is fixedly installed at the top end of the adjusting block (144), the top end of the fork back plate (12) is connected with an adjusting bolt (140) in a threaded mode, when the adjusting block (144) stretches out, the fork plate (11) is blocked to form a ninety-degree included angle between the fork plate (11) and the fork back plate (12), when the lifting platform (5) moves down to the lowest position, a gap of five centimeters to ten centimeters is reserved between the inner wall of the fork back plate (12) and a front fork baffle (701), and the distance between a rotating axis between the fork plate (11) and the fork back plate (12) and the top end face of the front fork baffle (701) is the thickness value of the fork plate (11), and the rotating axis (27) and the fork plate (11) are coaxially arranged.

6. The multi-cargo carrying forklift as claimed in claim 5, wherein: the bottom cross sectional shape of regulating block (144) is established to the toper, the one end of fork board (11) is provided with the round boss, and the lateral wall of regulating block (144) be provided with fork board (11) on the recess of round boss adaptation, the lateral wall movable mounting of fork backplate (12) has anticreep rack (145), the draw-in groove with anticreep rack (145) adaptation is seted up to the lateral wall of regulating block (144), one side movable mounting anticreep spring (146) of anticreep rack (145), and anticreep spring (146) are located inside fork backplate (12), the one end of anticreep rack (145) is passed fork backplate (12) and is located the outside of fork backplate (12), one side fixed mounting of fork truck front stop (701) has magnetic block (10) to anticreep rack (145) of inhaling.

7. The multi-cargo carrying forklift as claimed in claim 6, wherein: the inner wall movable mounting of fork backplate (12) has detection set frame (142), and regulating block (144) are located the inboard that detects set frame (142), the inner wall and anticreep spring (146) swing joint that detect set frame (142), anticreep tooth frame (145) are located the inboard that detects set frame (142), and the inboard movable mounting that detects set frame (142) has limit power ball (143), the ball groove with limit power ball (143) adaptation is seted up to the lateral wall of regulating block (144).

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