CN219688641U

CN219688641U - Grabbing device suitable for goods in container

Info

Publication number: CN219688641U
Application number: CN202320558877.7U
Authority: CN
Inventors: 郭小璇; 王猛; 王强; 张贺; 王全乐
Original assignee: Qingdao Tosun Intelligent Technology Inc
Current assignee: Qingdao Tosun Intelligent Technology Inc
Priority date: 2023-03-21
Filing date: 2023-03-21
Publication date: 2023-09-15
Anticipated expiration: 2033-03-21

Abstract

The utility model discloses a grabbing device suitable for cargoes in a container, which relates to the technical field of loading and unloading equipment. One end of the driving rod piece is rotatably arranged on the base; one end of the driven rod piece is rotatably arranged on the base, the driven rod piece and the driving rod piece are positioned at the same height of the base, and the length of the driven rod piece is equal to that of the driving rod piece; the first driving device is connected with one end of the driving rod piece and is arranged on the base and used for driving the driving rod piece to rotate; one end of the sucker mounting piece is rotatably arranged at the other end of the driving rod piece, and the middle part of the sucker mounting piece is rotatably arranged at the other end of the driven rod piece; the sucking disc subassembly sets up in sucking disc mounting's the other end for snatch the goods. The grabbing device can grab the bottom goods easily, and is low in cost, simple in operation and short in time consumption.

Description

Grabbing device suitable for goods in container

Technical Field

The utility model relates to the technical field of loading and unloading equipment, in particular to a grabbing device suitable for cargoes in a container.

Background

The container transportation goods have the advantage that the transportation volume is big, convenient quick and low price, along with the increasing of cargo transportation volume, more and more people select to use container transportation goods, but along with this, the dismantlement of goods in the container has just become puzzlement people's problem, especially the bottom does not have the pile up neatly goods of tray, and the good level of the goods of the bottom one deck is absorbed, needs to add a set of mechanism additional, carries it to suitable height with the goods from the top, then absorbs the goods again and carries out horizontal sideslip to it, and the structure is complicated, and the cost is higher, and complex operation consuming time is longer.

In summary, how to change the present situation that the bottom cargo is not convenient to be grabbed is a problem to be solved by those skilled in the art.

Disclosure of Invention

Therefore, the utility model aims to provide a gripping device suitable for cargoes in a container, which can easily grip bottom cargoes, has simple structure, low cost and short time consumption, and is simple to operate.

In order to achieve the above object, the present utility model provides the following technical solutions:

a gripping device for cargo within a container, comprising:

one end of the driving rod piece is rotatably arranged on the base;

the driven rod piece is rotatably arranged on the base at one end, the driven rod piece and the driving rod piece are positioned at the same height of the base, and the length of the driven rod piece is equal to that of the driving rod piece;

the first driving device is connected with one end of the driving rod piece and is arranged at the base and used for driving the driving rod piece to rotate;

the middle part of the sucker mounting piece is rotatably arranged at the other end of the driven rod piece;

the sucking disc subassembly, it set up in the other end of sucking disc installed part is used for snatching the goods.

Preferably, a rotatable first rotating shaft is arranged on the base, the driving rod piece is arranged on the first rotating shaft, and a first belt wheel is arranged on the first rotating shaft;

the base is also provided with a rotatable second rotating shaft, the driven rod piece is arranged on the second rotating shaft, and the second rotating shaft is provided with a second belt wheel;

and the peripheral surfaces of the first belt pulley and the second belt pulley are provided with follow-up belts.

Preferably, the follow-up belt comprises a synchronous belt, a chain or a V-shaped belt, and the circumferential surface of the first belt pulley and the circumferential surface of the second belt pulley are respectively provided with gear teeth meshed with the follow-up belt.

Preferably, the first rotating shaft is provided with two driving rod pieces, and the other ends of the two driving rod pieces are connected with a first connecting rod;

the second rotating shaft is provided with two driven rod pieces, and the other ends of the two driven rod pieces are connected with a second connecting rod;

one end of the sucker mounting piece is rotatably connected with the first connecting rod, and the middle part of the sucker mounting piece is rotatably connected with the second connecting rod.

Preferably, the first driving device includes a first driving motor, a first driving belt wheel, a first follow-up belt wheel and a first driving belt, the first driving belt wheel is fixed on an output shaft of the first driving motor, the first follow-up belt wheel is fixed on the first rotating shaft, and the first driving belt is arranged around a peripheral surface of the first driving belt wheel and a peripheral surface of the first follow-up belt wheel.

Preferably, the base is provided with two rotatable driving pulleys and two rotatable driven pulleys;

the two conveying belts are respectively arranged around the peripheral surface of the driving belt wheel and the peripheral surface of the driven belt wheel and are used for jointly bearing and transporting goods grabbed by the sucker assemblies;

and the second driving device is used for driving the two driving pulleys to synchronously rotate.

Preferably, the second driving device includes:

a second driving pulley fixed to an output shaft of the second driving motor;

the second follow-up belt pulley is fixed on the rotating shaft of the driving belt pulley, and the second follow-up belt pulley is positioned between the two driving belt pulleys;

and a second drive belt provided around the peripheral surface of the second drive pulley and the peripheral surface of the second follow-up pulley.

Preferably, the two ends of the transmission belt are at different heights, and one end of the transmission belt, which is close to the sucker assembly, is lower than the other end of the transmission belt.

Preferably, the bottom of base is platelike structure, just platelike structure's both sides limit all is equipped with a triangle-shaped's right angle curb plate, driving pulley's pivot the pivot of driven pulley all rotatable set up in two acute angles departments of right angle curb plate, two be provided with the connecting piece between the right angle curb plate to strengthen two right angle curb plate's intensity.

According to the gripping device suitable for cargoes in the container, one end of the driving rod piece is arranged on the base, and the end of the driving rod piece can rotate relative to the base; one end of the driven rod piece is arranged on the base and can rotate relative to the base; the first driving device is connected with the end of the driving rod piece, which is arranged on the base and used for driving the base to rotate.

One end of the sucker mounting piece is rotatably connected with the free end of the driving rod piece, the middle part of the sucker mounting piece is rotatably connected with the free end of the driven rod piece, the driven rod piece and the driving rod piece are rotatably arranged at the same height of the base, and the length of the driven rod piece is equal to that of the driving rod piece, so that the sucker mounting piece only translates and cannot rotate in the swinging process; the other end of the sucker mounting piece is provided with a sucker component for grabbing goods, and the sucker component only translates and cannot rotate, so that the sucker component can be attached to the vertical side face of the goods box body to grab goods; the sucker assembly comprises a plurality of suckers, the opening end faces of the suckers are positioned on the same plane, and the sucker assembly is matched with vacuum components such as a vacuum pump or a vacuum generator.

When the sucker assembly is used, the first driving device is started to drive the driving rod piece to rotate, the sucker mounting piece and the driven rod piece swing along with the driving rod piece, so that the sucker assembly swings towards goods, and the goods are grabbed by the sucker assembly; and then driving the driving rod piece to rotate, driving the sucker mounting piece and the driven rod piece to swing, so that the goods grabbed by the sucker assembly are lifted. Because the rotation of initiative member can drive sucking disc installed part swing to the position with the base collineation, then this grabbing device who is applicable to the interior goods of container need not to be equipped with other devices, can very easily snatch bottom goods, simple structure, and the cost is lower, and the operation is succinct consuming time weak point.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a gripping device according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a portion of the interior of a gripping device according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a chuck assembly according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of a structure for gripping cargo according to an embodiment of the present utility model;

fig. 5 is a schematic diagram of a cargo transferring structure according to an embodiment of the present utility model.

In fig. 1 to 5, reference numerals include:

1 is a base, 2 is a driving rod piece, 2-1 is a first rotating shaft, 2-2 is a first belt wheel, 2-3 is a first connecting rod, 3 is a driven rod piece, 3-1 is a second rotating shaft, 3-2 is a second belt wheel, 3-3 is a second connecting rod, 4 is a first driving device, 4-1 is a first driving motor, 4-2 is a first driving belt, 5 is a sucking disc mounting piece, 6 is a sucking disc component, 7 is a driven belt, 8 is a driving belt wheel, 9 is a driven belt wheel, 10 is a transmission belt, 11 is a second driving device, 11-1 is a second driving motor, 11-2 is a second driving belt and 12 is a connecting piece.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model has the core of providing the grabbing device suitable for the cargoes in the container, which can easily grab the cargoes at the bottom layer, has simple structure, lower cost and short time consumption, and is simple to operate.

Referring to fig. 1 to 5, fig. 1 is a schematic structural diagram of an embodiment of a gripping device according to the present utility model; FIG. 2 is a schematic view of a portion of the interior of a gripping device according to an embodiment of the present utility model; FIG. 3 is a schematic view of a chuck assembly according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of a structure for gripping cargo according to an embodiment of the present utility model; fig. 5 is a schematic diagram of a cargo transferring structure according to an embodiment of the present utility model.

The utility model provides a grabbing device suitable for cargoes in a container, which comprises a base 1, a driving rod piece 2, a driven rod piece 3, a first driving device 4, a sucker mounting piece 5 and a sucker assembly 6. One end of the driving rod piece 2 is rotatably arranged on the base 1; one end of the driven rod piece 3 is rotatably arranged on the base 1, the driven rod piece 3 and the driving rod piece 2 are positioned at the same height of the base 1, and the length of the driven rod piece 3 is equal to that of the driving rod piece 2; the first driving device 4 is connected with one end of the driving rod 2 and is arranged at the base 1 and used for driving the driving rod 2 to rotate; one end of the sucker mounting piece 5 is rotatably arranged at the other end of the driving rod piece 2, and the middle part of the sucker mounting piece 5 is rotatably arranged at the other end of the driven rod piece 3; the sucking disc subassembly 6 sets up in sucking disc mounting 5's the other end for snatch the goods.

Specifically, one end of the driving rod 2 is disposed above the base 1, and the one end can rotate relative to the base 1; likewise, one end of the driven rod 3 is disposed on the base 1, and this end can rotate relative to the base 1, preferably, as shown in fig. 2, the driving rod 2 and the driven rod 3 are rod-shaped structures, and of course, the driving rod 2 and the driven rod 3 may be any other structures as long as the strength is satisfied; the first driving device 4 is connected to the end of the driving rod 2 above the base 1, and is used for driving the driving rod 2 to rotate.

One end of the sucker mounting piece 5 is rotatably connected with the free end of the driving rod piece 2, the middle part of the sucker mounting piece 5 is rotatably connected with the free end of the driven rod piece 3, the driven rod piece 3 and the driving rod piece 2 are rotatably arranged at the same height of the base 1, the length of the driven rod piece 3 is equal to that of the driving rod piece 2, and then the sucker mounting piece 5 only translates and cannot rotate in the rotation process of the driving rod piece 2; the other end of the sucker mounting piece 5 is provided with a sucker component 6 for grabbing goods, so that the sucker component 6 only translates and cannot rotate, and the sucker component 6 can be attached to the vertical side face of the goods box body to grab goods; the sucker assembly 6 comprises a plurality of suckers, the opening end faces of the suckers are positioned on the same plane, as shown in fig. 3, the number of the suckers can be set according to the weight of the goods to be grabbed by the grabbing device suitable for the goods in the container, and the sucker assembly is matched with vacuum components such as a vacuum pump or a vacuum generator.

The specific shape of the suction cup mounting member 5 is not limited, and the strength is satisfied; and the type of the first driving means 4 is not limited as long as the driving lever 2 can be driven to rotate.

When the sucker rod assembly is used, the first driving device 4 is started to drive the driving rod member 2 to rotate, and then the sucker mounting member 5 and the driven rod member 3 move along with the driving rod member 2, so that the sucker assembly 6 swings towards a cargo, and the cargo is grabbed by using the sucker assembly 6; and then the driving rod piece 2 is driven to rotate, the sucker mounting piece 5 and the driven rod piece 3 are driven to move, and the goods grabbed by the sucker assembly 6 are lifted. Because the rotation of the driving rod piece 2 can drive the sucker mounting piece 5 to swing to the position shown in fig. 4, the grabbing device suitable for cargoes in the container does not need to be equipped with other devices, and the grabbing device can grab bottom cargoes easily, has a simple structure, is low in cost, and is simple in operation and short in time consumption.

On the basis of the embodiment, a rotatable first rotating shaft 2-1 is arranged on the base 1, the driving rod 2 is arranged on the first rotating shaft 2-1, and the first rotating shaft 2-1 is provided with a first belt wheel 2-2; the base 1 is also provided with a rotatable second rotating shaft 3-1, the driven rod piece 3 is arranged on the second rotating shaft 3-1, and the second rotating shaft 3-1 is provided with a second belt wheel 3-2; the first pulley 2-2 and the second pulley 3-2 are provided with a follow-up belt 7 on their circumferential surfaces.

Specifically, a rotatable first rotating shaft 2-1 is arranged on the base 1, the driving rod 2 is arranged on the first rotating shaft 2-1, the first rotating shaft 2-1 is a rotating central shaft of the driving rod 2, and the first belt wheel 2-2 is arranged on the first rotating shaft 2-1; the base 1 is provided with a rotatable second rotating shaft 3-1, the driven rod piece 3 is arranged on the second rotating shaft 3-1, the second rotating shaft 3-1 is a rotating central shaft of the driven rod piece 3, and the second belt wheel 3-2 is arranged on the second rotating shaft 3-1; the follow-up belt 7 is arranged around the peripheral surfaces of the first belt pulley 2-2 and the second belt pulley 3-2, and the first belt pulley 2-2 and the second belt pulley 3-2 are connected, so that the first rotating shaft 2-1 and the second rotating shaft 3-1 are limited to synchronously rotate, the driving rod member 2 and the driven rod member 3 synchronously rotate, the type of the follow-up belt 7 is not limited, and the first rotating shaft 2-1 and the second rotating shaft 3-1 can synchronously rotate only under the limitation of the follow-up belt 7.

When the device is used, the driving rod piece 2 is driven to rotate, the driven rod piece 3 is driven to synchronously swing with the driving rod piece 2 through the follow-up belt 7, the first rotating shaft 2-1 and the second rotating shaft 3-1 can be guaranteed to rotate in the same direction through the arrangement, the phenomenon that the driving rod piece 2 and the driven rod piece 3 are blocked and stopped when being rotated to be collinear is effectively avoided, and the device is favorable for ensuring that the grabbing device suitable for cargoes in a container grabs cargoes smoothly.

On the basis of the embodiment, the follow-up belt 7 is a synchronous belt, and the circumferential surfaces of the first belt pulley 2-2 and the second belt pulley 3-2 are respectively provided with gear teeth meshed with the follow-up belt 7.

Specifically, the follow-up belt 7 includes one of the transmission devices such as a synchronous belt, a chain or a V-belt, and the like, and the peripheral surface of the first belt pulley 2-2 and the peripheral surface of the second belt pulley 3-2 are both provided with gear teeth to be meshed with the follow-up belt 7, because the synchronous belt is not easy to slip, it is beneficial to ensure that the first rotating shaft 2-1 and the first belt pulley 2-2 always rotate in the same direction, and failure is not easy to occur.

On the basis of the embodiment, the first rotating shaft 2-1 is provided with two driving rod pieces 2, and the other ends of the two driving rod pieces 2 are connected with the first connecting rod 2-3; the second rotating shaft 3-1 is provided with two driven rod pieces 3, and the other ends of the two driven rod pieces 3 are connected with a second connecting rod 3-3; one end of the sucker mounting piece 5 is rotatably connected with the first connecting rod 2-3, and the middle part of the sucker mounting piece 5 is rotatably connected with the second connecting rod 3-3.

Specifically, two driving rod pieces 2 are arranged on the first rotating shaft 2-1, and the other ends of the driving rod pieces 2 are connected with a first connecting rod 2-3; two driven rod pieces 3 are arranged on the second rotating shaft 3-1, and the other ends of the driven rod pieces 3 are connected with a second connecting rod 3-3; one end of the sucker mounting piece 5 is rotatably arranged on the first connecting rod 2-3, the middle part of the sucker mounting piece 5 is rotatably arranged on the second connecting rod 3-3, the other end of the sucker mounting piece 5 is provided with a sucker component 6, and the weight of goods which can be grabbed by the grabbing device suitable for goods in a container can be improved by using the two driving rod pieces 2 and the two driven rod pieces 3.

On the basis of the above embodiment, the first driving device 4 includes the first driving motor 4-1, the first driving pulley fixed to the output shaft of the first driving motor 4-1, the first follow-up pulley fixed to the first rotating shaft 2-1, and the first driving belt 4-2 disposed around the peripheral surface of the first driving pulley, the peripheral surface of the first follow-up pulley.

Specifically, the output shaft of the first driving motor 4-1 is coaxially fixed with the first driving belt wheel, the first follow-up belt wheel is coaxially fixed with the first rotating shaft 2-1, the first driving belt 4-2 is arranged around the peripheral surface of the first driving belt wheel and the peripheral surface of the first follow-up belt wheel, and the first driving device 4 can be arranged relatively freely by using the belt transmission structure, so that the layout of the internal mechanism of the gripping device suitable for cargoes in a container is more reasonable.

On the basis of any of the above embodiments, the base 1 is provided with two rotatable driving pulleys 8 and two rotatable driven pulleys 9; the two conveyor belts 10 are respectively arranged around the peripheral surface of one driving belt wheel 8 and the peripheral surface of one driven belt wheel 9, and are used for jointly bearing and transporting cargoes grabbed by the sucker assemblies 6, and the second driving device 11 is used for driving the two driving belt wheels 8 to synchronously rotate.

Specifically, as shown in fig. 1, two driving pulleys 8 and two driven pulleys 9 are rotatably disposed on the base 1, and a second driving device 11 is used for driving the two driving pulleys 8 to rotate synchronously; the two transmission belts 10 are respectively arranged around the peripheral surfaces of the driving belt pulley 8 and the driven belt pulley 9, a movable space is arranged between the two transmission belts 10 which are arranged in parallel, the sucker assembly 6 is arranged in the movable space, and the moving direction of the sucker assembly 6 is the same as the length direction of the transmission belt 10.

When the device is used, the first driving device 4 is started to drive the driving rod piece 2 to rotate rightwards, the sucker assembly 6 is swung rightwards, and the sucker assembly 6 is attached to the vertical side face of a cargo, so that the cargo is grabbed, and the device is shown in fig. 4; after the sucking disc component 6 grabs the goods, the driving rod 2 is driven to rotate leftwards, the goods grabbed by the sucking disc component 6 is lifted, the driving rod 2 is continuously rotated to enable the lower end of the goods to be in contact with the conveying belt 10, the sucking disc component 6 is loosened to put down the goods, and accordingly the goods are placed on the conveying belt 10, as shown in fig. 5, the sucking disc component 6 is continuously rotated to the position below the conveying belt 10, and accordingly the goods can be continuously conveyed on the conveying belt 10; the second driving device 11 is started to drive the driving belt pulley 8 to rotate, so that the transmission belt 10 is driven to move, and the goods placed on the transmission belt 10 move along with the movement of the transmission belt 10, so that the grabbing and the transportation of the goods are completed.

On the basis of the above embodiment, the second driving device 11 includes the second driving motor 11-1, the second driving pulley, the second follow-up pulley, and the second driving belt 11-2. Wherein the second driving belt wheel is fixed on the output shaft of the second driving motor 11-1; the second follow-up belt pulley is fixed on the rotating shaft of the driving belt pulley 8, and the second follow-up belt pulley is positioned in the middle of the two driving belt pulleys 8; the second drive belt 11-2 is disposed around the peripheral surface of the second drive pulley and the peripheral surface of the second follow-up pulley.

Specifically, a second driving pulley is provided on the output shaft of the second driving motor 11-1, the second follow-up pulley is provided coaxially with the rotation shaft of the driving pulley 8, and the second driving belt 11-2 is provided around the peripheral surface of the second driving pulley and the peripheral surface of the second follow-up pulley. When the container is used, the second driving motor 11-1 is started to drive the second driving belt pulley to rotate, and the second driving belt 11-2 drives the second follow-up belt pulley to rotate so as to drive the driving belt pulley 8 to rotate along with the second driving belt pulley, and the second follow-up belt pulley is arranged between the two driving belt pulleys 8, so that the gripping device suitable for cargoes in the container is small and light.

On the basis of the above embodiment, the two ends of the conveyor belt 10 are at different heights, and one end of the conveyor belt 10 near the suction cup assembly 6 is lower than the other end. When the device is used, after the sucking disc component 6 grabs a cargo, the rotation of the driving rod 2 drives the lower end of the cargo to be in contact with the lower end of the conveying belt 10, and the sucking disc component 6 is loosened to put down the cargo, so that the cargo is placed at the lower end of the conveying belt 10, as shown in fig. 5; the second driving device 11 is started to drive the driving belt pulley 8 to rotate, so that the transmission belt 10 is driven to move, and the goods placed on the transmission belt 10 move along with the movement of the transmission belt 10, so that the goods are transported to a high place, the goods are convenient for workers to carry, and the labor intensity of the workers is effectively reduced.

On the basis of the above embodiment, the bottom of the base 1 is a plate-shaped structure, two triangular right-angle side plates are respectively arranged on two sides of the plate-shaped structure, the rotating shaft of the driving pulley 8 and the rotating shaft of the driven pulley 9 are rotatably arranged at two acute angles of the right-angle side plates, and a connecting piece 12 is arranged between the two right-angle side plates to strengthen the strength of the two right-angle side plates.

Specifically, as shown in fig. 2, the bottom of the base 1 is provided with a plate-shaped structure, as shown in fig. 1, two sides of the plate-shaped structure are provided with triangular right-angle side plates, the acute angle of each right-angle side plate is provided with a rotating shaft of the driving pulley 8 and a rotating shaft of the driven pulley 9, and the moving direction of the conveying belt 10 is from the low end to the high end, so that goods can be transported to the high end, preferably, the inclined edges of the two right-angle side plates are equal to the height of the conveying belt 10, so that the transportation of the goods is not blocked; the connecting piece 12 is arranged between the two right-angle side plates and used for reinforcing the strength of the two right-angle side plates, so that the strength requirement is met, the weight is lighter, and the carrying is convenient.

The terms "top, bottom, upper surface, lower surface" and the terms "upper, lower, left and right" are defined based on the drawings of the specification.

In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.

The gripping device suitable for the goods in the container provided by the utility model is described in detail above. The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims

1. A gripping device for cargo within a container, comprising:

one end of the driving rod piece (2) is rotatably arranged on the base (1);

the driven rod piece (3) is rotatably arranged on the base (1) at one end, the driven rod piece (3) and the driving rod piece (2) are positioned at the same height of the base (1), and the length of the driven rod piece (3) is equal to the length of the driving rod piece (2);

the first driving device (4) is connected with one end of the driving rod piece (2) and is arranged at the base (1) and used for driving the driving rod piece (2) to rotate;

the sucker mounting piece (5) is rotatably arranged at one end of the driving rod piece (2), and the middle part of the sucker mounting piece (5) is rotatably arranged at the other end of the driven rod piece (3);

the sucking disc subassembly (6), it set up in the other end of sucking disc installed part (5) for snatch the goods.

2. Gripping device for goods in containers according to claim 1, characterized in that the base (1) is provided with a rotatable first shaft (2-1), the driving lever (2) is arranged on the first shaft (2-1), and the first shaft (2-1) is provided with a first pulley (2-2);

the base (1) is also provided with a rotatable second rotating shaft (3-1), the driven rod piece (3) is arranged on the second rotating shaft (3-1), and the second rotating shaft (3-1) is provided with a second belt wheel (3-2);

a follow-up belt (7) is arranged on the peripheral surfaces of the first belt wheel (2-2) and the second belt wheel (3-2).

3. Gripping device for goods in containers according to claim 2, characterized in that the follow-up belt (7) comprises a synchronous belt, a chain or a V-belt, the circumference of the first pulley (2-2) and the circumference of the second pulley (3-2) being provided with gear teeth engaging with the follow-up belt (7).

4. Gripping device suitable for goods in containers according to claim 2, characterized in that the first rotation shaft (2-1) is provided with two driving bars (2), the other ends of the two driving bars (2) are both connected with a first connecting bar (2-3);

the second rotating shaft (3-1) is provided with two driven rod pieces (3), and the other ends of the two driven rod pieces (3) are connected with a second connecting rod (3-3);

one end of the sucker mounting piece (5) is rotatably connected to the first connecting rod (2-3), and the middle part of the sucker mounting piece (5) is rotatably connected to the second connecting rod (3-3).

5. Gripping device for goods in containers according to claim 4, characterized in that the first driving device (4) comprises a first driving motor (4-1), a first driving pulley, a first follow-up pulley and a first driving belt (4-2), the first driving pulley being fixed to the output shaft of the first driving motor (4-1), the first follow-up pulley being fixed to the first rotating shaft (2-1), the first driving belt (4-2) being arranged around the circumference of the first driving pulley, the circumference of the first follow-up pulley.

6. Gripping device for goods in containers according to any of claims 1 to 5, characterized in that the base (1) is provided with two rotatable driving pulleys (8) and two rotatable driven pulleys (9);

the device comprises a sucker assembly (6), a driving belt (8) and a driven belt (9), and is characterized by further comprising two parallel conveying belts (10), wherein a movable space is arranged between the two conveying belts (10), the sucker assembly (6) is movably arranged in the movable space, the moving direction of the sucker assembly (6) is the same as the length direction of the conveying belts (10), and the two conveying belts (10) are respectively arranged around the peripheral surface of the driving belt wheel (8) and the peripheral surface of the driven belt wheel (9) and are used for jointly bearing and transporting cargos grabbed by the sucker assembly (6);

and the second driving device (11) is used for driving the two driving pulleys (8) to synchronously rotate.

7. Gripping device for goods in containers according to claim 6, characterized in that the second driving device (11) comprises:

a second drive pulley fixed to an output shaft of the second drive motor (11-1);

a second follow-up pulley fixed to the rotation shaft of the driving pulley (8), and located in the middle of the two driving pulleys (8);

and a second drive belt (11-2) provided around the peripheral surface of the second drive pulley and the peripheral surface of the second follow-up pulley.

8. Gripping device for goods in containers according to claim 6, characterized in that the two ends of the conveyor belt (10) are at different heights and that the end of the conveyor belt (10) near the suction cup assembly (6) is lower than the other end.

9. The grabbing device suitable for cargoes in a container according to claim 8, wherein the bottom of the base (1) is of a plate-shaped structure, two triangular right-angle side plates are arranged on two sides of the plate-shaped structure, the rotating shafts of the driving pulley (8) and the rotating shafts of the driven pulleys (9) are rotatably arranged at two acute angles of the right-angle side plates, and a connecting piece (12) is arranged between the two right-angle side plates to strengthen the strength of the two right-angle side plates.