CN209143053U - Multi-functional cargo handler and cargo handling system - Google Patents

Abstract

The utility model provides a multifunctional cargo loading and unloading vehicle and a cargo loading and unloading system, which relate to the technical field of cargo loading and unloading equipment, and solve the problems of long time-consuming, low efficiency and difficulty in picking and placing the cargo during the loading and unloading process. The multifunctional cargo loading and unloading vehicle includes: a driving chassis, a lifting and pitching adjustment mechanism, a cargo conveying mechanism and a accompanying pedal mechanism; the lifting and pitching adjustment mechanism is fixed on the driving chassis; The pedal assembly and the flexible connecting piece are slidably assembled on the drive chassis, the pedal assembly is connected with the cargo conveying mechanism through the flexible connecting piece, and the cargo conveying mechanism drives the pedal assembly to extend or retract to the drive chassis. The multifunctional cargo loading and unloading vehicle is applied to the loading and unloading process of cargo, and a pedal mechanism is added, which saves labor for handling, improves handling efficiency, saves time, and reduces labor intensity of operators.

Description

Multifunctional cargo handling truck and cargo handling system

technical field

The utility model relates to the technical field of cargo loading and unloading equipment, in particular to a multifunctional cargo loading and unloading vehicle and a cargo loading and unloading system.

Background technique

With the development of e-commerce, the logistics industry has developed rapidly, the volume of goods transportation is increasing day by day, and people's requirements for the speed of goods delivery have also increased.

The applicant of this application found that in the logistics and transportation industry, especially in the express industry, the loading and unloading of goods is mostly done only by manual handling, which is inconvenient. It takes 3-5 hours to load and unload a vehicle, and the turnaround time is long. , occupies a large space, and the logistics cost is high. Some express delivery industries use telescopic machines to cooperate with stevedores to complete cargo loading and unloading operations, use telescopic machines to transport goods within a range, and manually carry them up and down.

However, in the process of using the telescopic machine and manual handling, when the goods are stacked high, because the telescopic machine cannot carry people, it is difficult for the stevedores to pick and place the goods, resulting in low cargo loading and unloading efficiency.

Utility model content

The purpose of the utility model is to provide a multifunctional cargo loading and unloading vehicle, so as to solve the technical problems in the prior art that the cargo loading and unloading process takes a long time, the efficiency is low, and the loading and unloading of the cargo is difficult.

The multifunctional cargo loading and unloading vehicle provided by the utility model comprises: a driving chassis, a lifting and pitching adjusting mechanism, a cargo conveying mechanism and an accompanying pedal mechanism;

The lifting and pitching adjustment mechanism is fixed on the drive chassis, and the goods conveying mechanism is fixed on the lifting and pitching adjustment mechanism, and the lifting and pitching adjustment mechanism is used to drive the goods conveying mechanism to rise and fall, and to adjust the goods The pitch angle of the conveying mechanism;

The accompanying pedal mechanism includes a pedal assembly and a flexible connecting piece, the pedal assembly is slidably assembled on the driving chassis, the pedal assembly is connected with the cargo conveying mechanism through the flexible connecting piece, and the cargo conveying mechanism drives the The pedal assembly extends or retracts from the drive chassis.

In any of the above technical solutions, it further includes a fork mechanism, the fork mechanism includes a fixed frame and a sliding frame, the fixed frame is detachably installed on the drive chassis, and the fixed frame is along the length direction. A guide rail is provided, the sliding frame is slidably assembled on the guide rail, a fork assembly is arranged on the sliding frame, and the fork assembly includes a vertical drive and a fork, and the vertical drive is used to drive the cargo The fork moves in the vertical direction.

In any of the above technical solutions, further, the pedal assembly includes a sliding block, a pedal and a connecting frame, the flexible connecting member is a connecting chain, a sliding rail is provided on the driving chassis, and the sliding block is slidably assembled on the On the sliding rail, the pedal is hinged with the sliding block through the connecting frame, and the pedal is connected with the cargo conveying mechanism through the connecting chain.

In the above technical solution, further, the connecting frame includes two long rods with the same length and two short rods with the same length, one of the short rods is vertically arranged on the slider, the other short rod Vertically arranged on the pedal, two ends of one long rod are hinged to the bottoms of the two short rods respectively, and two ends of the other long rod are hinged to the tops of the two short rods respectively.

In any of the above technical solutions, further, the lift pitch adjustment mechanism includes a lift assembly and a pitch adjustment assembly, the pitch adjustment assembly and the cargo conveying mechanism are both mounted on the lift assembly, and the pitch adjustment assembly It is hinged with the lifting assembly and the cargo conveying mechanism, respectively.

In the above technical solution, further, the lifting assembly includes a lifting driver and a mounting frame, the lifting driver is mounted on the driving chassis, the mounting frame is connected with the driving end of the lifting driver, and the cargo conveying mechanism Hinged with the mount.

In the above technical solution, further, both the lift driver and the pitch adjustment assembly include hydraulic cylinders.

In any of the above technical solutions, it further includes an energy supply control system, the energy supply control system is installed on the drive chassis, and the energy supply control system is respectively connected with the lift and pitch adjustment mechanism and the cargo. Conveyor connection.

In any of the above technical solutions, further, the cargo conveying mechanism includes: an outer roller table, an inner roller table, a conveying driver and a conveyor belt: a conveyor belt is provided on the outer roller table and the inner roller table; the The conveying driver is connected with the conveying belt to drive the conveying belt to move; the inner roller table is slidably assembled in the outer roller table, and can extend or retract the outer roller table.

Compared with the prior art, the multifunctional cargo loading and unloading truck of the present invention has the following advantages:

In the process of using the multifunctional cargo loading and unloading vehicle provided by the utility model, the height and pitch angle of the cargo conveying mechanism can be adjusted through the lifting and pitching adjustment mechanism, so as to facilitate the handling of goods and the docking of the cargo conveying mechanism with other equipment. Goods at high or low places can be easily carried or placed. The accompanying pedal mechanism is used for the operator to stand, which can ensure that the bending height of the human arm is basically the same as the height of the goods to be transported, which is in line with the requirements of ergonomics, making the handling more labor-saving, and can significantly improve the handling efficiency and save time. , reduce the labor intensity of operators.

Another object of the present invention is to propose a cargo loading and unloading system to solve the technical problems in the prior art that the cargo loading and unloading process is time-consuming, low in efficiency, and difficult to pick and place.

In order to achieve the above object, the technical scheme of the present utility model is achieved in this way:

A cargo loading and unloading system includes the multifunctional cargo loading and unloading vehicle described in the above technical solution.

The cargo handling system and the above-mentioned multifunctional cargo handling vehicle have the same advantages over the prior art, which will not be repeated here.

Description of drawings

In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the specific embodiments or the prior art. Obviously, the following descriptions The accompanying drawings are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without creative efforts.

Fig. 1 is a structural schematic diagram 1 when a fork mechanism is installed on a multifunctional cargo loading and unloading vehicle provided by an embodiment of the present utility model;

2 is a second structural schematic diagram of the multifunctional cargo handling vehicle provided by the embodiment of the present invention when a fork mechanism is installed;

FIG. 3 is a third structural schematic diagram of the multifunctional cargo handling vehicle provided by the embodiment of the present invention when a fork mechanism is installed;

4 is a first structural schematic diagram of the multifunctional cargo loading and unloading vehicle provided by the embodiment of the present invention when the fork mechanism is not installed;

5 is a second schematic structural diagram of the multifunctional cargo handling vehicle provided by the embodiment of the present invention when the fork mechanism is not installed;

6 is a third structural schematic diagram of the multi-functional cargo handling vehicle provided by the embodiment of the present invention when the fork mechanism is not installed;

7 is a fourth schematic diagram of the structure of the multifunctional cargo handling vehicle provided by the embodiment of the present invention when the fork mechanism is not installed;

FIG. 8 is a schematic structural diagram of the cargo conveying mechanism in the extended state of the multifunctional cargo loading and unloading vehicle provided by the embodiment of the present invention.

9 is a schematic structural diagram of a cargo conveying mechanism in a retracted state in a multifunctional cargo loading and unloading vehicle provided by an embodiment of the present invention;

10 is a schematic structural diagram of a pedal mechanism in a multifunctional cargo handling vehicle provided by an embodiment of the present invention;

11 is a schematic structural diagram of a lift assembly in a multifunctional cargo handling vehicle according to an embodiment of the present invention;

12 is a schematic structural diagram of a drive chassis in a multifunctional cargo handling vehicle provided by an embodiment of the present invention;

FIG. 13 is a schematic structural diagram of a fork mechanism in a multifunctional cargo loading and unloading vehicle according to an embodiment of the present invention.

In the picture: 10- drive chassis; 11- slide rail; 12- universal wheel; 13- steering assembly; 20- lift and pitch adjustment mechanism; 21- lift drive; 22- mounting frame; 23- limit bracket; 24- Pitch adjustment assembly; 30-cargo conveying mechanism; 31-outer roller table; 32-inner roller table; 33-conveyor belt; 34-transport drive; 40-travel pedal mechanism; 41-connecting chain; 42-slider; 43- Pedal; 44-connecting frame; 441-long rod; 442-short rod; 50-fork mechanism; 51-fixed frame; 52-slide frame; 53-fork; 54-roller; 55-guide groove; 56-installation board; 61-electrical control subsystem; 62-hydraulic subsystem.

Detailed ways

The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner" and "outer" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, with a specific orientation. Therefore, it should not be construed as a limitation on the present invention. Furthermore, the terms "first", "second", and "third" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a connectable connection. Detachable connection, or integral connection; may be mechanical connection or electrical connection; may be direct connection, or indirect connection through an intermediate medium, or internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

Example 1

As shown in FIGS. 1-13 , the multifunctional cargo loading and unloading vehicle provided by the embodiment of the present utility model includes: a driving chassis 10, a lifting and pitching adjustment mechanism 20, a cargo conveying mechanism 30 and an accompanying pedal mechanism 40, wherein:

The lift and pitch adjustment mechanism 20 is fixed on the drive chassis 10, the cargo conveying mechanism 30 is fixed on the lift and pitch adjustment mechanism 20, and the lift and pitch adjustment mechanism 20 is used to drive the goods conveying mechanism 30 to ascend and descend, and to adjust the pitch angle of the goods conveying mechanism 30;

The accompanying pedal mechanism 40 includes a pedal assembly and a flexible connecting piece, the pedal assembly is slidably assembled on the drive chassis 10 , the pedal assembly is connected with the cargo conveying mechanism 30 through the flexible connecting piece, and the cargo conveying mechanism 30 drives the pedal assembly to extend or retract to the drive chassis 10 . .

In the process of using the multifunctional cargo loading and unloading vehicle provided by the embodiment of the present invention, the height and pitch angle of the cargo conveying mechanism 30 can be adjusted by the lifting and pitching adjustment mechanism 20, so as to facilitate the handling of goods and facilitate the connection of the cargo conveying mechanism 30 with other equipment. Docking, and can be easily carried or placed for high or low goods.

After the lift and pitch adjustment mechanism 20 is used to adjust the pitch of the cargo conveying mechanism 30 , since the pedal assembly is connected to the cargo conveying mechanism 30 through the flexible connecting member, the pedal assembly can extend a corresponding distance with the change of the pitch and the lift of the cargo conveying mechanism 30 . , and can be recycled to the drive chassis 10 when not in use. The accompanying pedal mechanism 40 is used for the operator to stand, which can ensure that the bending height of the human arm is basically the same as the height of the goods to be transported, which conforms to the requirements of ergonomics, makes the transportation more labor-saving, and can significantly improve the transportation efficiency and save money. time and reduce the labor intensity of operators.

As shown in FIG. 6 and FIG. 10 , in a preferred implementation of this embodiment, the pedal assembly includes a slider 42 , a pedal 43 and a connecting frame 44 , the flexible connecting member is a connecting chain 41 , and the driving chassis 10 is provided with a sliding The rail 11 and the sliding block 42 are slidably assembled on the sliding rail 11 , the pedal 43 is hinged with the sliding block 42 through the connecting frame 44 , and the pedal 43 is connected with the cargo conveying mechanism 30 through the connecting chain 41 . In order to make the structure more compact and the sliding process more stable, as shown in FIG. 12 , two sliding rails 11 are provided on the driving chassis 10 along the conveying direction of the cargo conveying mechanism 30 , and the sliding rails 11 are respectively close to the driving chassis 10 . edge area. A sliding block 42 is respectively provided on the two sliding rails 11 , and the two sliding blocks 42 are respectively connected to both ends of the pedal 43 through the connecting brackets 44 connected to the respective ones.

Further, as shown in FIG. 10 , the connecting frame 44 includes two long rods 441 of equal length and two short rods 442 of equal length, one short rod 442 is vertically arranged on the slider 42 , and the other short rod 442 is vertically arranged On the pedal 43 , two ends of one long rod 441 are hinged to the bottoms of the two short rods 442 respectively, and two ends of the other long rod 441 are hinged to the tops of the two short rods 442 respectively. The two long rods 441 and the two short rods 442 form a parallelogram four-bar linkage. In this way, the parallelogram connecting frame 44 can ensure that the pedal 43 is always set horizontally during the movement, thereby improving the safety of the operator. sex and comfort. The connecting chain 41 can drive the pedal 43 to ascend and descend and move horizontally. The length of the connecting chain 41 defines the maximum distance between the pedal 43 and the cargo conveyor belt 33 . The connecting chain 41 can use chains with high structural strength, such as chains, wire ropes, and the like.

As shown in FIG. 1 and FIG. 13 , in a preferred implementation of this embodiment, the multifunctional cargo handling vehicle further includes a fork mechanism 50 , and the fork mechanism 50 includes a fixed frame 51 and a sliding frame 52 , and the fixed frame 51 is connected with The drive chassis 10 is detachably connected, the fixed frame 51 is provided with a guide groove 55 along the length direction, the sliding frame 52 is slidably assembled in the guide groove 55, and the sliding frame 52 is provided with a fork assembly, the fork assembly includes a vertical drive and a fork 53.

During use, the fixed frame 51 is fixedly connected to the drive chassis 10 , the sliding frame 52 can drive the forks 53 to move along the length of the fixed frame 51 , and the vertical drive can drive the forks 53 to move in the vertical direction.

Specifically, the fixing frame 51 is a frame structure including upright columns and horizontal plates. When the length of the horizontal plates is long, reinforcing ribs are arranged between adjacent horizontal plates to improve the strength of the frame structure. Guide grooves 55 are provided on opposite sides of the inner area of the frame structure. The guide grooves 55 are parallel to the horizontal plane and arranged along the length direction of the side surface of the frame structure. A sliding block is provided on the side of the sliding frame 52 , and the sliding block extends into the corresponding guide groove 55 . The sliding frame 52 is connected with the horizontal driver, and the horizontal driver drives the sliding frame 52 to move along the guide groove 55 , thereby driving the fork 53 to move along the guide groove 55 . Specifically, a total of four guide grooves 55 are provided on the two vertical sides of the fixing frame 51 , and one guide groove 55 is respectively provided on the top and bottom of each side surface. A total of four sliding blocks are arranged on the outer sides of the two sides vertically arranged on the sliding frame 52 , and a sliding block is respectively provided on the top and bottom of each side surface. 55 one-to-one corresponding settings. This arrangement enables higher stability during the movement of the sliding frame 52 relative to the fixed frame 51 .

In order to facilitate the detachable connection between the fixing frame 51 and the driving chassis 10 , a mounting plate 56 is provided at the bottom of the column of the fixing frame 51 , and the mounting plate 56 is connected with the driving chassis 10 by bolts. In FIG. 13 , the bottom of the column is mounted on the middle area of the mounting plate 56 , four corners of the mounting plate 56 are respectively provided with holes, and one mounting plate 56 is connected to the drive chassis 10 through four bolts. When the length of the fixing frame 51 is greater than the length of the driving chassis 10 , a roller 54 is provided at the bottom of the area where the fixing frame 51 extends out of the driving chassis 10 . During the moving process, the rollers 54 roll along with it, thereby facilitating the movement of the whole multifunctional cargo handling vehicle equipped with a fork mechanism.

In the direction shown in FIG. 1 , the left area of the fixing frame 51 is connected to the drive chassis 10 through the mounting plate 56 , the right area extends out of the drive chassis 10 , and the bottom rightmost end of the right area is provided with a roller 54 , and the roller 54 is connected to the drive chassis 10 . ground contact.

In this embodiment, the lift and pitch adjustment mechanism 20 is used to adjust the height and pitch angle of the cargo conveying mechanism 30. As shown in FIGS. 4-6, in a specific implementation, the lift and pitch adjustment mechanism 20 includes a lift assembly and a The pitch adjusting assembly 24, the pitch adjusting assembly 24 and the cargo conveying mechanism 30 are all mounted on the lifting assembly, and the pitch adjusting assembly 24 is hingedly connected with the lifting assembly and the cargo conveying mechanism 30, respectively. That is to say, when the lift assembly is activated, the lift assembly acts on the pitch adjustment assembly 24 and the cargo conveying mechanism 30 at the same time, so that the pitch adjustment assembly 24 and the cargo conveying mechanism 30 move up and down synchronously. The pitch adjustment assembly 24 only acts on the cargo conveying mechanism 30 for adjusting the pitch angle of the cargo conveying mechanism 30 .

In order to facilitate the simultaneous driving of the pitch adjustment assembly 24 and the cargo conveying mechanism 30, the elevating assembly includes an elevating driver 21 and a mounting frame 22. The elevating driver 21 is mounted on the driving chassis 10, and the mounting frame 22 is connected with the driving end of the elevating driver 21. The cargo conveying mechanism 30 Hinged with mounting bracket 22 . Specifically, one end of the cargo conveying mechanism 30 is hinged with one end of the mounting frame 22 , and there is a certain distance between the pitch adjusting assembly 24 and the hinged end of the cargo conveying mechanism 30 . During the pitch adjustment process, the pitch adjustment assembly 24 performs telescopic changes, so that the cargo conveying mechanism 30 rotates around the hinge joint with the mounting frame 22 , thereby changing the pitch angle of the cargo conveying mechanism 30 .

Specifically, as shown in FIG. 11 , the mounting frame 22 includes a bottom plate and a side plate, and two opposite side plates are provided with protective covers, and the protective covers have an inverted U-shaped structure. The number of the lift drivers 21 is two, and the driving ends of the two lift drivers 21 respectively extend into the corresponding protective cover and are connected with the top of the protective cover. The cargo conveying mechanism 30 is hinged with the top of the side plate, so that there is a certain distance between the hinge point of the cargo conveying mechanism 30 and the bottom plate, so as to expand the adjustment range of the pitch angle of the cargo conveying mechanism 30 .

Further, the lifting assembly also includes a limit bracket 23, the limit bracket 23 is provided with a guide rail along the longitudinal direction, the side of the installation frame 22 is provided with a guide wheel, and a guide rail is arranged beside the installation frame, and the guide wheel is connected with the guide rail in a rolling manner. When the driver 21 drives the mounting frame 22 to move up and down, the guide wheel moves along the guide rail, so as to ensure that the mounting frame 22 always moves in the vertical direction and avoid the mounting frame 22 from shaking.

The lift driver 21 and the pitch adjustment assembly 24 are both devices that can perform linear reciprocating motion, which can be electric drive, hydraulic drive or pneumatic drive. In a specific implementation of this embodiment, the lift drive 21 is driven by hydraulic drive. And the pitch adjustment assembly 24, the lift drive 21 and the pitch adjustment assembly 24 each include hydraulic cylinders. Further, the pitch adjustment agent assembly further includes two hinged seats, and two ends of the hydraulic cylinder in the pitch adjustment assembly 24 are respectively connected with a hinged seat to be hinged with the mounting frame 22 and the cargo conveying mechanism 30 respectively.

In this embodiment, the goods conveying mechanism 30 can be a telescopic structure. Specifically, as shown in FIG. 8 and FIG. 9 , the goods conveying mechanism 30 includes: an outer roller table 31 , an inner roller table 32 , a conveying driver 34 and a conveying belt 33: A conveyor belt 33 is provided on the outer roller table 31 and the inner roller table 32; the conveying driver 34 is connected with the conveyor belt 33 to drive the conveyor belt 33 to move; the inner roller table 32 is slidably assembled in the outer roller table 31 and can extend Out or retraction of the outer roller table 31. The drive can be a geared motor. Further, the cargo conveying mechanism 30 further includes a telescopic control member, and the telescopic control member is connected with the inner roller table 32 to drive the inner roller table 32 to move to extend or retract the outer roller table 31 . The telescopic control can be an electric motor or a hydraulic cylinder.

In this embodiment, the length of the conveyor belt 33 can be automatically adjusted according to the expansion and contraction of the inner roller table 32, that is, after the inner roller table 32 extends out of the outer roller table 31, the length of the conveyor belt 33 increases; the inner roller table 32 retracts After the outer roller table 31, the length of the conveyor belt 33 is shortened. Specifically, the conveyor belt 33 is connected with an automatic adjustment structure, and the automatic adjustment structure is used to adjust the length of the conveyor belt 33 on the inner roller table 32 and the outer roller table 31 .

As shown in FIG. 5 , a universal wheel 12 and a steering assembly 13 are installed at the bottom of the driving chassis 10 . The universal wheel 12 is used to support the driving chassis 10 , and the steering assembly 13 is used to drive the driving chassis 10 to move. Specifically, the steering assembly 13 includes a driving wheel and a driving member, the driving member is connected with the driving wheel to drive the driving wheel to roll and turn, and the universal wheel 12 rolls with the driving chassis 10 during the process that the driving wheel drives the driving chassis 10 to move. . In a specific arrangement, the universal wheels 12 are arranged on both ends of one side of the bottom of the driving chassis 10 , and the driving wheels in the steering assembly 13 are arranged on the other side of the driving chassis 10 . The drive member may be a motor.

As shown in FIG. 4 , in any of the above technical solutions, further, the multifunctional cargo handling vehicle further includes an energy supply control system, the energy supply control system is installed on the drive chassis 10 , and the energy supply control system is respectively connected with the lift and pitch adjustment mechanism. 20 is connected to the cargo conveying mechanism 30 . Specifically, the energy supply control system includes an electrical control subsystem 61 and a hydraulic subsystem 62. The electrical control subsystem 61 and the hydraulic subsystem 62 can be installed in their respective housings and installed on two opposite sides of the drive chassis 10, respectively. side, so as to ensure that the weight of the drive chassis 10 is balanced. The hydraulic subsystem 62 may include a vehicle-mounted sealed hydraulic station, an oil storage cylinder, and pipelines, which are connected to the hydraulic cylinders of each device using hydraulic control, such as the lift driver 21 and the pitch adjustment assembly 24 . The electrical control subsystem 61 includes a control circuit board, a battery and other structures, and is connected to the motor of each device using electric power control to supply power to the motor and adjust the speed and steering of the motor, such as controlling the expansion and contraction of the cargo conveying mechanism 30 and the start of the conveyor belt 33. stop, or control the movement of the loading and unloading vehicle.

Embodiment 2

The second embodiment of the present invention provides a cargo loading and unloading system, which includes the multifunctional cargo loading and unloading vehicle provided in the first embodiment.

The cargo handling system and the above-mentioned multifunctional cargo handling vehicle have the same advantages over the prior art, which will not be repeated here.

Further, the cargo handling system may also include equipment such as robotic arms and transfer vehicles. The robotic arm can be used to place the goods on or take out the goods from the multi-function loading and unloading vehicle to assist the operator in handling, especially for the handling of heavy or bulky items. Transfer trucks can be used for relatively long-distance transportation, such as transporting goods from a warehouse to a truck for loading, or transporting goods unloaded from a truck to a warehouse.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model, but not to limit them; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that : it can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements to some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the various embodiments of the present utility model Scope of technical solutions.

Claims (10)

1. A multifunctional cargo loading and unloading vehicle, characterized in that, comprising: a drive chassis, a lift and pitch adjustment mechanism, a cargo conveying mechanism and an accompanying pedal mechanism; The lifting and pitching adjustment mechanism is fixed on the drive chassis, and the goods conveying mechanism is fixed on the lifting and pitching adjustment mechanism, and the lifting and pitching adjustment mechanism is used to drive the goods conveying mechanism to rise and fall, and to adjust the goods The pitch angle of the conveying mechanism; The accompanying pedal mechanism includes a pedal assembly and a flexible connecting piece, the pedal assembly is slidably assembled on the driving chassis, the pedal assembly is connected with the cargo conveying mechanism through the flexible connecting piece, and the cargo conveying mechanism drives the The pedal assembly extends or retracts from the drive chassis. 2 . The multifunctional cargo handling vehicle according to claim 1 , further comprising a fork mechanism, wherein the fork mechanism comprises a fixed frame and a sliding frame, and the fixed frame is detachably mounted on the driving chassis, 2 . A guide rail is arranged on the fixed frame along the length direction, the sliding frame is slidably assembled on the guide rail, and a fork assembly is arranged on the sliding frame, and the fork assembly includes a vertical driver and a fork, and the vertical A straight drive is used to drive the forks to move in a vertical direction. 3. The multifunctional cargo handling vehicle according to claim 1 or 2, wherein the pedal assembly comprises a slider, a pedal and a connecting frame, the flexible connecting piece is a connecting chain, and the driving chassis is provided with a A sliding rail, the sliding block is slidably assembled on the sliding rail, the pedal is hinged with the sliding block through the connecting frame, and the pedal is connected with the cargo conveying mechanism through the connecting chain. 4 . The multifunctional cargo handling vehicle according to claim 3 , wherein the connecting frame comprises two long rods with equal lengths and two short rods with equal lengths, and one of the short rods is vertically arranged on the On the slider, the other short rod is vertically arranged on the pedal, the two ends of one long rod are respectively hinged to the bottom of the two short rods, and the two ends of the other long rod are hinged to the bottom of the two short rods respectively. the top of the two short rods. 5 . The multifunctional cargo handling vehicle according to claim 1 , wherein the lift pitch adjustment mechanism comprises a lift assembly and a pitch adjustment assembly, and both the pitch adjustment assembly and the cargo conveying mechanism are mounted on the lift. 6 . On the assembly, the pitch adjustment assembly is hinged with the lift assembly and the cargo conveying mechanism, respectively. 6 . The multifunctional cargo handling vehicle according to claim 5 , wherein the lifting assembly comprises a lifting driver and a mounting frame, the lifting driver is mounted on the driving chassis, and the mounting frame is connected to the lifting driver. 7 . The driving end of the cargo conveying mechanism is hinged with the mounting frame. 7. The multi-purpose cargo handling vehicle of claim 6, wherein the lift drive and the pitch adjustment assembly each comprise a hydraulic cylinder. 8 . The multifunctional cargo handling vehicle according to claim 1 , further comprising an energy supply control system, the energy supply control system is installed on the drive chassis, and the energy supply control system is respectively connected with the The lift and pitch adjustment mechanism is connected with the cargo conveying mechanism. 9. The multifunctional cargo handling vehicle according to claim 1, wherein the cargo conveying mechanism comprises: an outer roller table, an inner roller table, a conveying driver and a conveyor belt: the outer roller table and the inner roller A conveyor belt is arranged on the track; the conveying driver is connected with the conveyor belt to drive the conveyor belt to move; the inner roller table is slidably assembled in the outer roller table, and can extend or retract the outer roller road. 10. A cargo handling system, characterized by comprising the multifunctional cargo handling vehicle according to any one of claims 1-9.