CN116101942B - Port cargo handling and transporting equipment and control method - Google Patents

Abstract

The invention discloses port cargo handling and transporting equipment and a control method, which are arranged on a power machine for driving cargoes and comprise a hydraulic lifting mechanism, wherein a return-type frame plate is arranged at the front side of the hydraulic lifting mechanism, the inner side of the return-type frame plate is fixedly connected with a cross rod, two groups of N-type frame plates which are arranged side by side are connected on the cross rod in a sliding manner, and two groups of side plates which are arranged side by side are fixedly arranged at the front side of the N-type frame plates. The lengths of the fork plate assemblies formed by the extension plates and the side plates can be correspondingly adjusted according to the front-back width dimension of the goods to be transported, the distance between the other two groups of fork plate assemblies can also be adjusted according to the left-right length of the goods to be transported, after the goods are placed on the two groups of fork plate assemblies, the bending plates which are adjusted to be in a vertical placement state can be abutted against the front of the goods through the matched application of the servo motor and the electric push rod, and the stability of the goods transportation is improved.

Description

Port cargo handling and transporting equipment and control method

Technical Field

The invention relates to the technical field of transportation equipment, in particular to port cargo handling transportation equipment and a control method.

Background

Fork trucks can be used as cargo transportation equipment, and a general port is an important place for cargo transportation, and is a collecting and distributing place for industrial and agricultural products and foreign trade import and export materials, so that fork trucks are commonly seen in ports for transporting, loading and unloading goods on ships.

In the prior art, two sets of fork plates in fork truck are generally integrated into one piece's steel sheet form, and the variety of goods in harbour department is various, and width size around its packing possesses the variety equally, and the suitability of fixed length's fork plate is less for the goods of width size around multiple difference, and when loading to the goods that the bottom is no backing plate in addition, the staff is with the goods transfer then more laborious on two sets of fork plates.

Disclosure of Invention

The present invention is directed to a port cargo handling device and a control method thereof, so as to solve the problems set forth in the background art.

In order to achieve the above purpose, the present invention provides the following technical solutions: the port cargo handling and transporting equipment is arranged on a power machine for driving cargoes and comprises a hydraulic lifting mechanism, wherein a return frame plate is arranged at the front side of the hydraulic lifting mechanism, the inner side of the return frame plate is fixedly connected with a cross rod, two groups of N-shaped frame plates which are arranged side by side are connected on the cross rod in a sliding manner, two groups of side plates which are arranged side by side are fixedly arranged at the front side of the N-shaped frame plates, and an extension plate is connected between the two groups of N-shaped frame plates in a sliding manner;

the tops of the two groups of side plates and the extension plate are provided with strip grooves, a plurality of groups of round rods which are uniformly arranged are arranged in the strip grooves, the outer surfaces of the plurality of groups of round rods are rotatably sleeved with rollers, and the tops of the rollers are higher than the top surface of the side plates;

the synchronous locking assembly is also arranged on the roller to realize synchronous locking of a plurality of rollers;

the front end of extension board bottom and the bottom of N type frame plate are all fixed mounting square board, two sets of fixed connection electric putter between the square board, the front end bottom fixed mounting pulley of extension board.

Preferably, the front end of the extension board is fixedly provided with two groups of connecting boards which are arranged side by side, one group of connecting boards is fixedly provided with a servo motor on the outer wall of one side of the connecting board, the output end of the servo motor is connected with a rotating shaft, the rotating shaft is rotationally connected to the inside of the two groups of connecting boards, the outer surface of the rotating shaft is fixedly sleeved with a bending board, and the bending board is positioned between the two groups of connecting boards.

Preferably, the front side of the square frame plate is provided with a plurality of groups of thread grooves which are arranged side by side at equal intervals, the thread grooves are positioned below the cross rod, the front side of the N-type frame plate is in threaded insertion connection with a fastening bolt, the fastening bolt penetrates through the inside of one group of the thread grooves, the fastening bolt is in threaded connection with a nut, and the nut is attached to the back of the N-type frame plate.

Preferably, the opposite inner sides between the two groups of side plates are provided with sliding grooves, the two sides of the extension plate are fixedly provided with embedded strips, and the two groups of embedded strips are respectively and slidably connected in the two groups of sliding grooves.

Preferably, the hydraulic lifting mechanism comprises a comprehensive frame plate, adjusting grooves and hydraulic cylinders, wherein the adjusting grooves and the hydraulic cylinders are symmetrically arranged in two groups, the adjusting grooves are arranged on the front side of the comprehensive frame plate side by side, the hydraulic cylinders are arranged on the top wall of the comprehensive frame plate side by side, and the hydraulic cylinders are respectively located behind the adjusting grooves in two groups.

Preferably, the hydraulic lifting mechanism further comprises an integrated plate and a Z-shaped plate, the integrated plate and the Z-shaped plate are symmetrically arranged in two groups, the two groups of the integrated plate are respectively and fixedly connected with the telescopic ends of the two groups of hydraulic cylinders, the two groups of the Z-shaped plate are respectively arranged on the front sides of the two groups of the integrated plates, and the front ends of the two groups of the integrated plates are fixedly connected with the back sides of the return-type frame plates.

Preferably, the back of the square frame plate is fixedly provided with two groups of T-shaped plates, and the ends of the two groups of T-shaped plates are respectively and slidably connected in the two groups of adjusting grooves.

Preferably, the synchronous locking assembly comprises a ratchet gear arranged on one side of the roller, the ratchet gear is locked in position by a toothed bar, a row of toothed bars are arranged on a synchronous pull bar, the synchronous pull bar is limited by the sliding of a fixed supporting block, and the synchronous pull bar is pulled to simultaneously control a plurality of toothed bars to lock a plurality of ratchet gears and the corresponding roller.

A method of controlling a port cargo handling facility, comprising:

s1, placing cargoes on side plates arranged on the front sides of two groups of N-shaped frame plates, and driving the transporting equipment to move to a cargo transferring place by controlling a power machine for driving the cargoes;

s2, according to the size of the goods object block, before transporting goods, driving the two groups of N-shaped frame plates to slide along the outer surface of the cross rod by removing fastening bolts arranged on the front surfaces of the two groups of N-shaped frame plates, changing the distance between the two groups of N-shaped frame plates, and limiting the positions of the two groups of adjusted N-shaped frame plates on the cross rod by reinstalling the fastening bolts;

s3, through running the electric push rod, the extension plate is driven to slide forwards or backwards along the space between the two groups of side plates, the comprehensive length between the extension plate and the side plates is changed, after goods are placed on the side plates, the servo motor is operated, the servo motor is driven to drive the rotating shaft to rotate 90 degrees towards the set direction, and the bending plate is adjusted to be in a vertical upward state.

S4, a synchronous pull rod of the synchronous locking assembly is pushed, the ratchet wheel and the roller are locked by the toothed bar, and movement collision of cargoes during transportation and transmission is avoided.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the extension plates are driven to move forwards or backwards along one sides of the two groups of side plates opposite to each other by the two groups of electric push rods, and the comprehensive length between the extension plates and the side plates is correspondingly adjusted according to the width of the port goods to be loaded, so that the length of the integral fork plate assembly formed by the extension plates and the side plates can be matched with the front-back width dimension of the goods to be transported, and when the bottom of the integral fork plate assembly is not padded with a cushion plate for lifting the goods, workers push the goods onto the fork plate assemblies formed by the extension plates and the side plates, six rows of rollers on the two groups of fork plate assemblies rotate forwards and backwards along the outer surfaces of round bars, thereby effectively reducing the difficulty of transferring the goods onto the fork plate assemblies, and saving labor.

After goods are transferred onto a fork plate assembly formed by the side plates and the extension plates, the fork plate assembly is driven to rotate 90 degrees along the inner parts of the two groups of connection plates by operating the servo motor so as to adjust the angle between the bending plates and the fork plate assembly to be 90 degrees from a horizontal placement state, and the electric push rod is matched to shorten the comprehensive length between the extension plates and the side plates, so that the back surface of the bending plates placed in the vertical state is just propped against the front of the goods, the goods are effectively prevented from falling forwards under the rolling of a plurality of groups of rollers in the process of transporting the goods, the stability of transporting the goods is effectively improved, the loaded goods cannot roll on the rollers easily by arranging the synchronous locking assembly, and the moving collision of the goods is avoided.

When the length dimension difference of cargoes transported in front and back is slightly larger, the two groups of N-shaped frame plates are driven to slide towards one side along the outer surface of the cross rod by dismantling the fastening bolts after the previous cargo transportation is finished, so that the distance between two groups of fork plate assemblies formed by the side plates and the extension plates can be adapted to the length dimension of cargoes to be transported.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the split structure of the frame plate and the Z-shaped plate of the present invention;

FIG. 3 is a schematic view of the mounting structure of the present invention for a back frame plate and an N-frame plate;

FIG. 4 is a schematic diagram of a split structure of a hinge and a bending plate according to the present invention;

FIG. 5 is a schematic view of the separation structure of the round bar and the roller of the present invention;

FIG. 6 is a schematic view of a partial structure of a synchronous locking assembly according to the present invention;

FIG. 7 is a schematic view of the mounting structure of the side plate and the extension plate of the present invention;

fig. 8 is a schematic structural view of the hydraulic lifting mechanism of the present invention.

In the figure: 1. fixing the support block; 2. a hydraulic lifting mechanism; 3. a square frame plate; 4. a cross bar; 5. an N-shaped frame plate; 6. a side plate; 7. an extension plate; 8. a long groove; 9. a round bar; 10. a roller; 11. a square plate; 12. an electric push rod; 13. a pulley; 14. a splice plate; 15. a servo motor; 16. a rotating shaft; 17. a bending plate; 18. a thread groove; 19. a fastening bolt; 20. a chute; 21. a fitting strip; 22. a comprehensive frame plate; 23. an adjustment tank; 24. a hydraulic cylinder; 25. an integrated plate; 26. a Z-shaped plate; 27. t-shaped plates; 28. a ratchet gear; 29. a toothed bar; 30. synchronous pull rod.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," and the like are to be construed broadly and include, for example, "connected," either permanently connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

Example 1

The embodiment of the invention provides port cargo handling equipment, as shown in fig. 1, 3, 4, 6 and 7, which is arranged on a power machine for driving cargoes, the power machine is not limited to port cargo lifting machines, port cargo large-scale lifting machines, cargo driving machines and the like, the port cargo handling equipment comprises a hydraulic lifting mechanism 2, a back-shaped frame plate 3 is arranged at the front side of the hydraulic lifting mechanism 2, a cross rod 4 is fixedly connected with the inner side of the back-shaped frame plate 3, two groups of side plates 6 are fixedly arranged at the front side of two groups of side plates 5,N of N-shaped frame plates 5 which are arranged side by side in a sliding manner on the cross rod 4, an extension plate 7 is connected between the two groups of N-shaped frame plates 5 in a sliding manner, strip grooves 8 are formed at the tops of the two groups of side plates 6 and the extension plate 7, a plurality of groups of round rods 9 which are uniformly arranged are arranged in the strip grooves 8, the outer surfaces of the round rods 9 are rotatably sleeved with a roller 10, the top of the roller 10 is higher than the top surface of the side plates 6, and the roller 10 is convenient for conveying cargoes.

In order to avoid collision damage caused by the movement of the goods due to the movable rolling of the roller 10 after the goods are loaded, a synchronous locking assembly is further arranged on the roller 10, so that synchronous locking of a plurality of rollers 10 is realized; the synchronous locking assembly comprises a ratchet gear 28 arranged on one side of the roller 10, the ratchet gear 28 can be locked by a toothed bar 29, a row of toothed bars 29 is arranged on a synchronous pull bar 30, the synchronous pull bar 30 is limited by the fixed supporting block 1 in a sliding way, the synchronous pull bar 30 can simultaneously control the plurality of toothed bars 29 to lock the plurality of ratchet gears 28 and the corresponding roller 10, when the synchronous locking assembly is used, after goods are loaded, the synchronous pull bar 30 is pushed and locked, wherein an end control part of the synchronous pull bar 30 can be a common locking assembly such as a threaded knob, and the like, is more common in the market, so that the synchronous pull bar 30 drives the plurality of toothed bars 29 to move to one side and locks the plurality of ratchet gears 28, after the ratchet gears 28 are locked, the roller 10 is also locked, and thus the loaded goods cannot roll on the roller 10 easily, and the moving collision of the goods is avoided.

The front end of extension board 7 bottom and the bottom of N type frame plate 5 are all fixed mounting square board 11, fixed connection electric putter 12 between two sets of square boards 11, the bottom front end fixed mounting pulley 13 of extension board 7, spout 20 is seted up to the relative medial surface between two sets of side boards 6, the equal fixed mounting gomphosis strip 21 of both sides of extension board 7, and two sets of gomphosis strips 21 sliding connection respectively in the inside of two sets of spouts 20.

The fork plate assemblies formed by the side plates 6 and the extension plates 7 and arranged on the front surfaces of the two groups of N-shaped frame plates 5 are inserted into the bottoms of goods filled with the two groups of backing plates by controlling the positions of the whole transportation equipment, then the hydraulic lifting mechanism 2 is operated in a matched mode to drive the square frame plates 3, the cross rods 4, the N-shaped frame plates 5 and the fork plate assemblies to move upwards, the two groups of fork plate assemblies replace the two groups of backing plates to serve as supporting structures of the bottoms of the goods, and then the position of the whole transportation equipment is controlled to be moved again to drive the transportation equipment to transfer the goods;

specifically, by synchronously running the two sets of electric push rods 12, the two sets of electric push rods are caused to synchronously perform forward extension or backward contraction operation so as to generate forward pushing force or backward pulling force on the two sets of square plates 11 at the front, then the pushing force and the pulling force are correspondingly transmitted to the position of the extension plate 7, the extension plate 7 is caused to move forward or backward along the opposite sides of the two sets of side plates 6, and then the comprehensive length between the extension plate 7 and the side plates 6 is correspondingly adjusted according to the front-back width of the port cargo to be loaded, so that the integral fork plate assembly formed by the extension plate 7 and the side plates 6 can be matched with the front-back width size of the cargo to be transported;

more specifically, when the bottom is not padded with the pad to lift the goods, the workers are required to push the goods to the upper parts of the two sets of fork plate assemblies manually or by assisting other tools, at this time, the port goods are firstly adjusted to be in an inclined state, so that one side of the goods close to the two sets of fork plate assemblies is upwards tilted, then the six rows of rollers 10 on the two sets of fork plate assemblies are gradually pushed to the two sets of fork plate assemblies from front to back along the outer surface of the round rod 9, and then the difficulty of transferring the goods to the fork plate assemblies is effectively reduced, and meanwhile, the labor is saved;

when the extension plate 7 slides along the opposite sides of the two side plates 6, the two sets of jogging strips 21 slide forwards or backwards along the inner walls of the two sets of sliding grooves 20, and meanwhile, the jogging strips 21 are clamped in the sliding grooves 20, so that the stability of the structure between the extension plate 7 and the side plates 6 is improved.

Example 2

As shown in fig. 5 and 6, two groups of connecting plates 14 arranged side by side are fixedly installed at the front end of the extension plate 7, a servo motor 15 is fixedly installed on the outer wall of one side of one group of connecting plates 14, the output end of the servo motor 15 is connected with a rotating shaft 16, the rotating shaft 16 is rotatably connected to the inside of the two groups of connecting plates 14, a bending plate 17 is fixedly sleeved on the outer surface of the rotating shaft 16, and the bending plate 17 is positioned between the two groups of connecting plates 14.

The present example is optimized based on embodiment 1, after the goods are transferred onto the fork plate assembly formed by the side plates 6 and the extension plates 7, by operating the servo motor 15, the rotating shaft 16 is driven to rotate 90 ° along the inner directions of the two sets of joint plates 14, so as to drive the bending plates 17 to rotate 90 °, the horizontally placed state is adjusted to the vertically placed state, the included angle between the horizontally placed state and the fork plate assembly is adjusted to 90 °, and in addition, the electric push rod 12 is cooperatively operated again, the corresponding backward contraction operation is driven, and the extension plates 7 are driven by one set of square plates 11 to slide from front to back along the opposite sides of the two sets of side plates 6, so that the comprehensive length between the extension plates 7 and the side plates 6 is shortened, the back surfaces of the bending plates 17 placed in the vertical state are just propped against the front of the goods, the goods are effectively prevented from shaking forward under the rolling of the multiple sets of rollers 10 in the process of transporting the goods, and the stability of the goods is increased on the basis of embodiment 1.

Example 3

As shown in fig. 1, 3 and 4, the front side of the square frame plate 3 is provided with a plurality of groups of thread grooves 18 which are arranged side by side at equal intervals, the thread grooves 18 are positioned below the cross bar 4, the front side of the N-shaped frame plate 5 is in threaded insertion connection with a fastening bolt 19, the fastening bolt 19 penetrates through the inside of one group of the thread grooves 18, the fastening bolt 19 is in threaded connection with a nut, and the nut is attached to the back side of the N-shaped frame plate 5.

In this embodiment, when the operator just removes the fastening bolts 19 installed on the front surfaces of the two sets of N-type frame plates 5 after the previous cargo transportation is completed, and then applies an external force to the two sets of N-type frame plates 5 to drive them to slide along the outer surface of the cross bar 4 toward one side, so as to correspondingly change the distance between the two sets of N-type frame plates 5 according to the length of the cargo to be transported, and then reinstallate the fastening bolts 19 to promote the two sets of N-type frame plates 5 to penetrate through the insides of the N-type frame plates 5 and one of the thread grooves 18, so that the distance between the two sets of adjusted N-type frame plates 5 on the cross bar 4 is more suitable for the cargo to be transported, and the situation that the distance between the two sets of fork plate assemblies is greater than the length of the cargo or less than the length of the cargo 1/2 is avoided.

As shown in fig. 1 and 8, the hydraulic lifting mechanism 2 includes a comprehensive frame 22, an adjusting groove 23 and a hydraulic cylinder 24, the adjusting groove 23 and the hydraulic cylinder 24 are symmetrically arranged in two groups, the two groups of adjusting grooves 23 are arranged on the front side of the comprehensive frame 22 side by side, the two groups of hydraulic cylinders 24 are arranged on the top wall of the comprehensive frame 22 side by side, the two groups of hydraulic cylinders 24 are respectively located at the rear of the two groups of adjusting grooves 23, the hydraulic lifting mechanism 2 further includes an integrated plate 25 and a Z-shaped plate 26, the integrated plate 25 and the Z-shaped plate 26 are symmetrically arranged in two groups, the two groups of integrated plates 25 are respectively fixedly connected with the telescopic ends of the two groups of hydraulic cylinders 24, the two groups of Z-shaped plates 26 are respectively arranged on the front sides of the two groups of integrated plates 25, and the front ends of the two groups of integrated plates 25 are fixedly connected with the back side of the circular frame 3.

Through synchronous operation two sets of pneumatic cylinders 24, make its corresponding flexible operation from top to bottom for drive two sets of intergral template 25 and follow the oscilaltion, two sets of Z template 26 follow simultaneously along two sets of adjustment grooves 23 slide from top to bottom, in order to reach the purpose of adjusting the height that returns type frame board 3, horizontal pole 4, N type frame board 5, extension board 7 and side board 6 place, the front end fixed mounting of two sets of Z template 26 respectively in the both sides at the back of returning type frame board 3 in addition, make the interval between two sets of Z template 26 are close to the opposite both sides of front end unanimous with the length of horizontal pole 4, avoid because Z template 26 makes the slip of N type frame board 5 limited.

As shown in fig. 1, 2, 3 and 8, two sets of T-shaped plates 27 are fixedly mounted on the back of the mold-shaped frame plate 3, and the ends of the two sets of T-shaped plates 27 are respectively slidably connected inside the two sets of adjusting grooves 23.

When the return type frame plate 3 is driven to move up and down by the operation hydraulic cylinder 24, the two groups of T-shaped plates 27 slide up and down along the inner walls of the two groups of adjusting grooves 23, and in addition, the connection between the return type frame plate 3 and the comprehensive frame plate 22 is increased by the two groups of T-shaped plates 27, so that the condition that the return type frame plate 3 inclines forwards due to stress after goods are loaded on the fork plate assembly is effectively avoided.

Working principle: when the goods with two groups of backing plates are cushioned at the bottom, the position of the whole conveying equipment is controlled to move, two groups of fork plate assemblies consisting of the side plates 6 and the extension plates 7 are driven to be inserted into the bottom of the goods, then the hydraulic cylinders 24 are operated in a matched mode, the two groups of integrated plates 25, the Z-shaped plates 26, the return frame plates 3, the cross rods 4, the N-shaped frame plates 5, the extension plates 7 and the side plates 6 are driven to move upwards, the goods on the two groups of backing plates are transferred onto the fork plate assemblies, and when the goods with no backing plates at the bottom are targeted, workers push the goods onto the two groups of fork plate assemblies, the six rows of rollers 10 on the two groups of fork plate assemblies are gradually pushed onto the two groups of fork plate assemblies from front to back along the outer surfaces of the round rods 9, so that the difficulty of transferring the goods onto the fork plate assemblies is effectively reduced, and meanwhile labor is saved.

The two sets of electric push rods 12 synchronously perform telescopic operation, one set of square plates 11 can correspondingly drive the extension plates 7 to slide forwards or backwards along one side, opposite to the two sets of side plates 6, of the extension plates 7, so that the comprehensive length between the extension plates 7 and the side plates 6 is adjusted according to the width of goods to be transported, in addition, after the fastening bolts 19 are removed, the N-shaped frame plates 5 can be driven to move towards one side along the outer surfaces of the cross rods 4 by applying external force to the N-shaped frame plates 5, so that the distance between two sets of fork plate assemblies is correspondingly changed according to the length of goods to be transported, the flexibility of the equipment for transporting goods with different sizes is increased, after the goods are transferred onto the fork plate assemblies formed by the side plates 6 and the extension plates 7, the rotating shaft 16 is driven by operating the servo motor 15, the bending plates 17 are driven to rotate 90 degrees, the goods are adjusted to be in a vertical arrangement state from a horizontal arrangement state, and the electric push rods 12 are matched and operated again, so that the comprehensive length between the extension plates 7 and the side plates 6 is correspondingly contracted backwards, the back of the goods are enabled to be supported by the vertical state, the goods are enabled to be just supported against the front of the goods, the goods to be transported, the front sides of the two sets of fork plate assemblies are effectively supported by the support the vertical side plates, the goods are prevented from being in a plurality of wheels, and the synchronous rolling motion is prevented from being carried by the synchronous wheels, and the goods are prevented from being in a plurality of side wheels, and the side wheels are easy to be prevented from being in a synchronous, and being in a synchronous way, and being carried by the movement, and the goods are prevented from being in a carrier, and being more and easy, and easy.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (5)

1. A port cargo handling equipment, characterized in that: the device comprises a hydraulic lifting mechanism, wherein a return-type frame plate is arranged on the front side of the hydraulic lifting mechanism, the inner side of the return-type frame plate is fixedly connected with a cross rod, two groups of N-type frame plates which are arranged side by side are connected on the cross rod in a sliding manner, two groups of side plates which are arranged side by side are fixedly arranged on the front side of the N-type frame plates, and an extension plate is connected between the two groups of N-type frame plates in a sliding manner;

the tops of the two groups of side plates and the extension plate are provided with strip grooves, a plurality of groups of round rods which are uniformly arranged are arranged in the strip grooves, the outer surfaces of the plurality of groups of round rods are rotatably sleeved with rollers, and the tops of the rollers are higher than the top surface of the side plates;

the front end of the extension plate is fixedly provided with two groups of connecting plates which are arranged side by side, one group of connecting plates is fixedly provided with a servo motor on the outer wall at one side, the output end of the servo motor is connected with a rotating shaft, the rotating shaft is rotationally connected to the interiors of the two groups of connecting plates, the outer surface of the rotating shaft is fixedly sleeved with a bending plate, and the bending plate is positioned between the two groups of connecting plates;

the synchronous locking assembly is also arranged on the roller to realize synchronous locking of a plurality of rollers; the synchronous locking assembly comprises ratchet gears arranged on one side of the roller, the ratchet gears are locked in position by tooth bars, a row of tooth bars are arranged on a synchronous pull rod, the synchronous pull rod is limited by sliding of a fixed supporting block, the synchronous pull rod is pulled to simultaneously control the plurality of tooth bars to lock the plurality of ratchet gears and the roller corresponding to the plurality of tooth bars, and an end control part of the synchronous pull rod is a threaded knob;

square plates are fixedly arranged at the front end of the bottom of the extension plate and the bottom of the N-shaped frame plate, an electric push rod is fixedly connected between the two groups of square plates, and pulleys are fixedly arranged at the bottom of the front end of the extension plate;

the front side of the rectangular frame plate is provided with a plurality of groups of thread grooves which are arranged side by side at equal intervals, the thread grooves are positioned below the cross rod, the front side of the N-shaped frame plate is in threaded insertion connection with a fastening bolt, the fastening bolt penetrates through the inside of one group of thread grooves, the fastening bolt is in threaded connection with a nut, and the nut is attached to the back of the N-shaped frame plate;

the hydraulic lifting mechanism further comprises an integrated plate and a Z-shaped plate, the integrated plate and the Z-shaped plate are symmetrically arranged in two groups, the integrated plate is fixedly connected to the telescopic ends of the two groups of hydraulic cylinders respectively, the Z-shaped plate is arranged on the front sides of the two groups of integrated plates respectively, and the front ends of the two groups of integrated plates are fixedly connected with the back sides of the return-type frame plates.

2. A port cargo handling device according to claim 1, characterized in that: the sliding grooves are formed in the inner side faces opposite to each other between the two groups of side plates, the embedded strips are fixedly arranged on two sides of the extension plate, and the two groups of embedded strips are respectively and slidably connected to the inner parts of the two groups of sliding grooves.

3. A port cargo handling device according to claim 1, characterized in that: the hydraulic lifting mechanism comprises a comprehensive frame plate, regulating grooves and hydraulic cylinders, wherein the regulating grooves and the hydraulic cylinders are symmetrically arranged in two groups, the regulating grooves are arranged on the front side of the comprehensive frame plate side by side, the hydraulic cylinders are arranged on the top wall of the comprehensive frame plate side by side, and the hydraulic cylinders are respectively located behind the regulating grooves in two groups.

4. A port cargo handling device according to claim 1, characterized in that: the back of the back frame plate is fixedly provided with two groups of T-shaped plates, and the end parts of the two groups of T-shaped plates are respectively and slidably connected in the two groups of adjusting grooves.

5. A control method using the port cargo handling equipment according to any one of claims 1-4, characterized by comprising the following:

s1, placing cargoes on side plates arranged on the front sides of two groups of N-shaped frame plates, and driving the transporting equipment to move to a cargo transferring place by controlling a power machine for driving the cargoes;

s2, according to the size of the goods object block, before transporting goods, driving the two groups of N-shaped frame plates to slide along the outer surface of the cross rod by removing fastening bolts arranged on the front surfaces of the two groups of N-shaped frame plates, changing the distance between the two groups of N-shaped frame plates, and limiting the positions of the two groups of adjusted N-shaped frame plates on the cross rod by reinstalling the fastening bolts;

s3, through running the electric push rod, the extension plate is driven to slide forwards or backwards along the space between the two groups of side plates, the comprehensive length between the extension plate and the side plates is changed, after goods are placed on the side plates, the servo motor is operated, the servo motor is driven to drive the rotating shaft to rotate 90 degrees towards the set direction, and the bending plate is adjusted to be in a vertically upward state;

s4, a synchronous pull rod of the synchronous locking assembly is pushed, the ratchet wheel and the roller are locked by the toothed bar, and movement collision of cargoes during transportation and transmission is avoided.