CN108706281B - Unloading device and loading equipment - Google Patents

Abstract

The invention is suitable for the technical field of unloading, and provides an unloading device and loading equipment, wherein the unloading device comprises a supporting frame, a driving assembly and a pushing piece which is driven to move by the driving assembly, the driving assembly drives the pushing piece to reciprocate between a preset area and an edge area, and the goods in the edge area are firstly transported to the preset area so as to be unloaded from the preset area.

Description

Unloading device and loading equipment

Technical Field

The invention belongs to the technical field of unloading, and particularly relates to an unloading device and loading equipment with the same.

Background

Referring now to fig. 1-3, there is a discharge apparatus for discharging, which includes a support frame, a front discharge assembly 20 and a pair of side discharge assemblies 10 respectively disposed at both sides of the front discharge assembly 20, wherein the front discharge assembly 20 is used for discharging the goods in a predetermined area 42 while the goods in the edge areas 43 located at the left and right sides of the predetermined area 42 are pushed by the side discharge assemblies 10 when discharging the goods in the box 40 of the transportation device; however, there is a general circumstance in which the side discharge assemblies 10 cannot discharge the cargo of the edge zone 43 from the edge zone 43 due to the presence of the obstruction 44 at both ends of the edge zone 43, but instead the cargo of the edge zone 43 needs to be pushed toward the forward discharge assembly 20 located in the predetermined zone 42, and the forward discharge assembly 20 receives the cargo from the side discharge assembly 10 and then discharges the cargo from the predetermined zone 42, so that the cargo discharge in the edge zone 43 can be completed.

In particular, when the container 40 of the transporting apparatus is long, a plurality of movable box plate groups are disposed at the sides of the transporting apparatus along the length direction of the transporting apparatus, each movable box plate group comprises two movable box plates 41, and the two movable box plates 41 are in a double-door design, when the cargo in the container 40 of the transporting apparatus is unloaded, the cargo in the corresponding container area (the predetermined area 42 shown in fig. 2) of each movable box plate group is pushed and unloaded by the front unloading assembly 20 of the unloading device, and the residual cargo in the area (the edge area 43 shown in fig. 1 and 2) between the adjacent movable box plate groups is pushed by the pair of side unloading assemblies 10 connected at both sides of the front unloading assembly 20, so that the cargo moves in the direction of the front unloading assembly 20 and is transferred to the front unloading assembly 20 for unloading.

However, when the side discharge assembly pushes the cargo, the side discharge assembly cannot accurately transfer the cargo to the front discharge assembly, and the cargo cannot be discharged.

Disclosure of Invention

The invention aims to provide a unloading device, which aims to solve the technical problem that in the prior art, when a side unloading assembly pushes goods, the side unloading assembly can not accurately transfer the goods to a front unloading assembly, so that unloading can not be performed.

The invention is realized in that a discharge device comprises a support frame and a pushing assembly connected with the support frame and used for discharging, wherein the pushing assembly comprises:

a pushing member for pushing the cargo,

the driving assembly is connected with the supporting frame and used for driving the goods pushing piece to reciprocate between the edge area and the preset area so as to convey goods in the edge area to the preset area and unload the goods from the preset area, and the edge area is located on one side of the preset area.

Further, the driving assembly comprises a conveying member connected with the pushing member and used for pushing the pushing member to move and a power assembly for driving the conveying member to move.

Further, the driving assembly further comprises a support, a first rotating shaft, a second rotating shaft, a first driving wheel and a second driving wheel, wherein one end of the support is located in the preset area, the other end of the support is used for extending into the edge area, the first rotating shaft is connected to one end of the support, the second rotating shaft is connected to the other end of the support, the first driving wheel is sleeved on the first rotating shaft, the second driving wheel is sleeved on the second rotating shaft, the conveying part is an annular conveying part, the goods pushing part is fixedly connected to the outer side of the annular conveying part, one end of the annular conveying part is sleeved on the first driving wheel, the other end of the annular conveying part is sleeved on the second driving wheel, and annular rotation is carried out around the first driving wheel and the second driving wheel to drive the goods pushing part to move.

Further, the driving assembly further comprises a third rotating shaft which is connected with the support and is located between the first rotating shaft and the second rotating shaft, a fourth rotating shaft which is connected with the support and is located between the first rotating shaft and the second rotating shaft and is arranged at intervals with the third rotating shaft, the third rotating shaft is located on the outer side of the annular conveying piece and is located on one side, close to the edge area, of the annular conveying piece, the fourth rotating shaft is located on the inner side of the annular conveying piece, and the driving assembly further comprises a first tensioning wheel and a second tensioning wheel, wherein the first tensioning wheel is sleeved on the third rotating shaft, the outer side of the annular conveying piece is used for enabling the portion, close to the edge area, of the annular conveying piece to be extruded in the direction away from the edge area, and the second tensioning wheel is sleeved on the fourth rotating shaft, and the inner side of the annular conveying piece is used for enabling the portion, away from the edge area, of the annular conveying piece to be extruded in the direction away from the edge area.

Further, be equipped with on the first take-up pulley along the edge of first take-up pulley inwards sunken formation and be used for dodging the breach of pushing away the goods, annular conveying piece drives when pushing away the goods and moving past the first take-up pulley, it inserts to push away the goods dodge in the breach.

Further, at least two first driving wheels are sleeved on each first rotating shaft at intervals along the axial direction of the first rotating shaft, at least two second driving wheels are sleeved on each second rotating shaft at intervals along the axial direction of the second rotating shaft, and the number of the first driving wheels is the same as that of the second driving wheels and corresponds to that of the second driving wheels one by one.

The number of the annular conveying pieces is the same as that of the first driving wheels, one end of each annular conveying piece is sleeved on one of the first driving wheels, the other end of each annular conveying piece is sleeved on a second driving wheel corresponding to the first driving wheel, and the goods pushing pieces are connected with each annular conveying piece.

Further, the pushing piece comprises a fixed end fixedly connected with the conveying piece and a cleaning end connected with the fixed end and used for pushing goods, and the hardness of the cleaning end is smaller than that of the fixed end.

Further, the unloading device comprises a plurality of pushing pieces, and each pushing piece is arranged at intervals in the conveying direction of the conveying piece.

Further, the annular conveying piece is a chain, and the first driving wheel and the second driving wheel are both chain wheels.

Further, the unloading device comprises a pair of pushing assemblies which are respectively arranged at the left side and the right side of the supporting frame and are respectively used for pushing the goods in the edge areas at the left side and the right side of the preset area.

Further, the pair of pushing assemblies are a first pushing assembly and a second pushing assembly respectively, the unloading device further comprises a first pushing assembly and a second pushing assembly, the first pushing assembly is connected with the supporting frame and used for driving the first pushing assembly to move along the left-right direction, and the second pushing assembly is connected with the supporting frame and used for driving the second pushing assembly to move along the left-right direction.

The invention also provides a loading device, which comprises the unloading device,

the loading device also comprises a machine body, wherein the machine body is connected with the supporting frame so that the unloading device is arranged on the machine body; or, the loading device further comprises a machine body and a bucket connected with the machine body, wherein the bucket is directly or indirectly connected with the supporting frame so that the unloading device is arranged on the bucket.

Compared with the prior art, the invention has the technical effects that: the unloading device comprises the supporting frame, the driving assembly and the goods pushing piece which is driven to move by the driving assembly, the driving assembly drives the goods pushing piece to reciprocate between the preset area and the edge area, goods in the edge area are firstly transported to the preset area and then unloaded from the preset area, and compared with the prior art that goods in the edge area are unloaded by driving the goods pushing piece to reciprocate between the edge area and the preset area and are transferred to the front unloading assembly for unloading through the side unloading assembly, the unloading device omits the link of goods transfer, and therefore, the condition that unloading cannot be carried out due to the fact that the goods cannot be precisely transferred is avoided, and the continuity of unloading is guaranteed.

Drawings

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

FIG. 1 is a perspective view of a case provided in the background of the invention;

FIG. 2 is a top view of a case provided in the background of the invention;

FIG. 3 is a discharge apparatus according to the background of the invention;

FIG. 4 is a perspective view of a discharge apparatus provided in accordance with an embodiment of the present invention;

FIG. 5 is an exploded view of a discharge apparatus provided in an embodiment of the present invention;

FIG. 6 is a perspective view of a push assembly provided in accordance with an embodiment of the present invention;

FIG. 7 is a perspective view of a pair of pusher assemblies provided in accordance with an embodiment of the present invention;

FIG. 8 is a top view of a pair of pusher assemblies provided in accordance with an embodiment of the present invention;

FIG. 9 is a schematic illustration of an embodiment of the present invention for unloading a discharge apparatus;

FIG. 10 is a schematic illustration of an embodiment of the present invention for unloading;

FIG. 11 is a schematic illustration of an embodiment of the present invention showing an additional bucket attached to a discharge apparatus;

fig. 12 is a schematic structural diagram of a first tensioning wheel according to an embodiment of the present invention;

FIG. 13 is a schematic view of a pusher according to an embodiment of the present invention;

fig. 14 is a schematic structural view of a pushing assembly according to an embodiment of the present invention.

Reference numerals illustrate:

50	supporting frame	625	Second rotating shaft
				60	Goods pushing assembly	626	Third rotating shaft
60a	First pushing assembly	627	Fourth rotating shaft
				60b	Second cargo pushing assembly	628	First driving wheel
61	Goods pushing piece	629	Second driving wheel
				611	Fixed end	630	First tensioning wheel
612	Cleaning end	631	Second tensioning wheel
				62	Driving assembly	6311	Avoidance gap
621	Conveying member	70	First pushing component
				622	Power assembly	80	Second pushing assembly
623	Support frame	90	Bucket
				624	First rotating shaft

Detailed Description

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.

In the description of the present invention, it will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the 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 a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent.

Referring to fig. 4 to 6, an unloading device provided in an embodiment of the invention includes a support frame 50 and a pushing assembly 60 connected to the support frame 50 for unloading, wherein the pushing assembly 60 includes:

a pusher 61, said pusher 61 being adapted to push a load,

a drive assembly 62, said drive assembly 62 being connected to said support frame 50 and for driving said pusher 61 to reciprocate between said edge zone 43 and said predetermined zone 42 to carry cargo of said edge zone 43 to said predetermined zone 42 and to unload cargo from said predetermined zone 42, said edge zone 43 being located on one side of said predetermined zone 42.

Referring to fig. 4 to 6, the unloading device provided by the embodiment of the invention comprises a supporting frame 50, a driving assembly 62 and a pushing member 61 driven by the driving assembly 62 to move, wherein the driving assembly 62 drives the pushing member 61 to reciprocate between a preset area 42 and an edge area 43 and conveys the goods in the edge area 43 to the preset area 42 so as to unload the goods from the preset area 42. The way in which the pushing member 61 conveys the goods may be various, such as a pushing way, a lifting way, etc., preferably, the pushing member 61 pushes the goods to move by the pushing way, and the pushing member 61 is a plate-shaped pushing member 61 to provide a larger pushing area, so as to improve the pushing efficiency. The driving assembly 62 may drive the pushing member 61 to reciprocate by means of hydraulic pressure, pneumatic pressure, electric pressure, etc.

Referring to fig. 6, further, the driving unit 62 includes a conveying unit 621 connected to the pushing unit 61 for pushing the pushing unit 61 to move, and a power unit 622 for driving the conveying unit 621 to move. Specifically, the power assembly 622 drives the conveying element 621 to move, and further drives the pushing element 61 connected to the conveying element 621 to move, and the pushing element 61 pushes the goods to move for unloading under the driving of the conveying element 621.

Referring to fig. 6, further, the driving assembly 62 further includes a bracket 623 having one end located in the predetermined area 42 and the other end extending into the edge area 43, a first rotating shaft 624 connected to one end of the bracket 623, a second rotating shaft 625 connected to the other end of the bracket 623, a first driving wheel 628 sleeved on the first rotating shaft 624, and a second driving wheel 629 sleeved on the second rotating shaft 625, the conveying member 621 is an annular conveying member, the cargo pushing member 61 is fixedly connected to the outer side of the annular conveying member 621, and one end of the annular conveying member 621 is sleeved on the first driving wheel 628 and the other end is sleeved on the second driving wheel 629 and performs annular rotation around the first driving wheel 628 and the second driving wheel 629 to drive the cargo pushing member 61 to move. Specifically, the annular conveying element 621 is sleeved on the first driving wheel 628 and the second driving wheel 629 to rotate, and the annular conveying element 621 can drive the pushing element 61 to move between the preset area 42 and the edge area 43 in a cycle and cycle in the rotation process, push the goods from the edge area 43 to the preset area 42 and unload the goods in the preset area 42. Alternatively, the endless conveyor 621 may be a conveyor belt or a conveyor chain, and when the endless conveyor 621 is a conveyor belt, the first driving wheel 628 and the second driving wheel 629 should be pulleys; when the endless conveyor 621 is a conveyor chain, the first drive wheel 628 and the second drive wheel 629 should be sprockets. Preferably, the endless conveyor 621 provided by the embodiment of the present invention is a chain, and the first driving wheel 628 and the second driving wheel 629 are sprockets. The chain transmission can transmit larger thrust, thereby being capable of improving unloading efficiency.

Referring to fig. 6, further, the driving assembly 62 further includes a third rotating shaft 626 connected to the bracket 623 and located between the first rotating shaft 624 and the second rotating shaft 625, and a fourth rotating shaft 627 connected to the bracket 623 and located between the first rotating shaft 624 and the second rotating shaft 625 and spaced from the third rotating shaft 626, wherein the third rotating shaft 626 is located at an outer side of the endless conveyor 621 and located at a side of the endless conveyor 621 close to the edge area 43, the fourth rotating shaft 627 is located at an inner side of the endless conveyor 621, and the driving assembly 62 further includes a first tensioning wheel 630 sleeved on the third rotating shaft 626 and pressing a portion of the endless conveyor 621 close to the edge area 43 away from the edge area 43 by an outer side of the endless conveyor 621, and a second tensioning wheel 631 sleeved on the fourth rotating shaft 627 and pressing a portion of the endless conveyor 621 away from the edge area 43 by an inner side of the endless conveyor 621. Based on the above structure, the embodiment of the invention uses the first tensioning wheel 630 and the second tensioning wheel 631 to respectively press the two parts of the conveying member 621 between the first driving wheel 628 and the second driving wheel 629 in the direction away from the edge region 43, so that the middle part of the conveying member 621 bends in the direction away from the edge region 43, that is, more parts of the conveying member 621 are close to the predetermined region 42, or more parts of the conveying member 621 are located in the predetermined region 42, in this way, in the process of being pushed by the conveying member 621, the goods can enter the predetermined region 42 from the edge region 43 earlier, and the risk that the goods are separated from the pushing member in the process of pushing the goods from the edge region 43 to the predetermined region 42 by the pushing member is reduced.

Referring to fig. 6 and 12, further, the first tensioning wheel 630 is provided with a avoidance gap 6311 formed along an edge of the first tensioning wheel 630 and used for avoiding the goods pushing piece 61, and when the annular conveying piece 621 drives the goods pushing piece 61 to move through the first tensioning wheel 630, the goods pushing piece 61 is inserted into the avoidance gap 6311. Because the first tensioning wheel 630 is located at the outer side of the annular conveying element 621 and is used for extruding the annular conveying element 621, in order to avoid the pushing element 61 from being resisted by the first tensioning wheel 630 when passing through the first tensioning wheel 630, the embodiment of the invention can insert the pushing element 61 into the avoiding notch 6311 of the first tensioning wheel 630 when passing through the first tensioning wheel 630 by arranging the avoiding notch 6311 on the first tensioning wheel 630, so that the pushing element 61 can smoothly pass through the joint of the first tensioning wheel 630 and the annular conveying element 621. This structure can ensure smooth rotation of the endless conveying member 621.

Referring to fig. 6, further, at least two first driving wheels 628 are sleeved on each first rotating shaft 624, which are arranged at intervals along the axial direction of the first rotating shaft 624, at least two second driving wheels 629 are sleeved on each second rotating shaft 625, which are arranged at intervals along the axial direction of the second rotating shaft 625, and the number of the first driving wheels 628 is the same as and corresponds to the number of the second driving wheels 629 one by one.

The number of the annular conveying elements 621 is the same as that of the first driving wheels 628, one end of each annular conveying element 621 is sleeved on one of the first driving wheels 628, the other end is sleeved on a second driving wheel 629 corresponding to the first driving wheel 628, and the cargo pushing elements 61 are connected with each annular conveying element 621.

Based on the above structure, each pushing member 61 is connected to each annular conveying member 621, so that the stability of connection between the pushing member 61 and the annular conveying member 621 is improved, and the condition that the pushing member 61 is twisted or inclined during pushing of the goods to leak materials is avoided.

Referring to fig. 13, further, the pushing member 61 includes a fixed end 611 fixedly connected to the conveying member 621, and a cleaning end 612 connected to the fixed end 611 for pushing the cargo, wherein the cleaning end 612 has a hardness smaller than that of the fixed end 611. The embodiment of the invention fixes the pushing member 61 and the conveying member 621 through the harder fixed end 611, so that the connection strength of the pushing member 61 and the conveying member 621 is ensured, and the cleaning end 612 with softer texture connected with the fixed end 611 is used for pushing the movement of the goods, so that the cleaning end 612 is in soft contact with the preset area 42 and the edge area 43, and the resistance of the pushing member 61 when sliding relative to the preset area 42 and the edge area 43 is reduced. Alternatively, the material of the fixed end 611 is steel, and the material of the cleaning end 612 may be rubber.

Referring to fig. 6, further, the unloading device includes a plurality of the pushing members 61, and each of the pushing members 61 is disposed at intervals in the conveying direction of the conveying member 621. The plurality of pushing pieces 61 are arranged on the rotating conveying piece 621, and the plurality of pushing pieces 61 can push cargoes successively, so that the unloading device can continuously unload cargoes, and the unloading efficiency is improved.

Referring to fig. 7 to 10, further, the unloading device includes a pair of pushing assemblies 60 disposed at the left and right sides of the supporting frame 50 for pushing the goods in the edge regions 43 at the left and right sides of the predetermined region 42. The pair of pushing assemblies 60 are a first pushing assembly 60a and a second pushing assembly 60b, the unloading device further includes a first pushing assembly 70 and a second pushing assembly 80, the first pushing assembly 70 is connected with the supporting frame 50 and is used for driving the first pushing assembly 60a to move along the left-right direction, and the second pushing assembly 80 is connected with the supporting frame 50 and is used for driving the second pushing assembly 60b to move along the left-right direction.

According to the embodiment of the invention, the first pushing assemblies 60a and the second pushing assemblies 60b are respectively arranged at the left side and the right side of the supporting frame 50 to unload cargos in the edge areas 43 at the left side and the right side of the preset area 42, so that unloading of cargos in the edge areas 43 at the left side and the right side of the preset area 42 can be simultaneously performed, and unloading efficiency is improved.

In addition, in the embodiment of the invention, the pushing assembly is arranged to drive the pushing member 61 to move along the left-right direction, so that the position of the pushing member 61 reaching the edge area 43 is adjusted, and therefore, unloaded goods in the edge area 43 can be accurately unloaded, and the unloading efficiency is improved; in particular, when the two ends of the edge area 43 have the barrier 44, the pushing assemblies may also be configured to enable the pushing member 61 to bypass the barrier 44 when entering the edge area 43, as shown in fig. 9 to 10, when the unloading device needs to enter the predetermined area 42 for unloading, the first pushing assembly 60a and the second pushing assembly 60b need to be pushed towards each other by the first pushing assembly 70 and the second pushing assembly 80, at this time, the unloading device can enter the predetermined area 42, and then the first pushing assembly 60a and the second pushing assembly 60b need to be pushed back by the first pushing assembly 70 and the second pushing assembly 80, so that the first pushing assembly 60a and the second pushing assembly 60b can smoothly extend into the edge area 43 for unloading.

Further, the unloading device further comprises a third pushing assembly (not shown) connected with the supporting frame 50 and used for driving the pushing assembly 60 to move along the front-back direction relative to the supporting frame 50, and a fourth pushing assembly (not shown) connected with the supporting frame 50 and used for driving the pushing assembly 60 to move along the up-down direction relative to the supporting frame. By arranging the third pushing assembly, the movement mode of the pushing assembly is further enriched, the pushing piece 61 can reach the goods to be pushed, the goods are pushed, and the pushing efficiency is improved.

The distance or contact area between the pushing member and the goods in the predetermined area 42 and the edge area 43 can be adjusted by the fourth pushing assembly, so that a proper pushing force is applied to the goods, which is beneficial to improving the unloading efficiency, and the fourth pushing assembly is beneficial to unloading the residual goods in the concave part especially when the bottom of the box body of the transportation equipment is uneven.

Alternatively, the process may be carried out in a single-stage,each of which is provided withThe pushing component may be a gearA rack structure, a linear slide structure, a ball screw structure, etc., and preferably, as shown in fig. 5 and 14, the embodiment of the present invention adopts a rack-and-pinion structure as a pushing assembly, a pinion 81 is connected with the pushing assembly 60, and a rack 82 is fixedly connected with the supporting frame 50.

Referring to fig. 11, the present invention also provides a loading apparatus, comprising the above-described discharge device,

the loading apparatus further comprises a body (not shown) connected to the support frame 50 such that the discharge means is mounted on the body; alternatively, the loading apparatus further comprises a body, a bucket 90 coupled to the body, the bucket 90 being coupled directly or indirectly to the support frame 50 such that the discharge device is mounted to the bucket 90.

It will be appreciated that the loading apparatus provided by embodiments of the present invention may be a loading apparatus in which the machine body is directly connected to the unloading device, for example, a forklift in which the bucket 90 is removed and only the machine body is left directly connected to the unloading device, and the unloading device is driven to move by the machine body, so that the support frame 50 corresponds to the predetermined area 42; as shown in fig. 11, the loading apparatus may also be a loading apparatus including a bucket 90, a body, and a discharge device, for example, a combination of a forklift and a discharge device, the discharge device being directly mounted on the bucket 90 on the forklift, the forklift driving the discharge device to move by the bucket 90 so that the support frame 50 corresponds to the predetermined area 42.

Further, the unloading device further comprises a pushing head 100 fixedly arranged at one end of the supporting frame 50 away from the machine body and used for pushing the goods in the predetermined area 42, and based on the structure, during the process that the machine body drives the unloading device to move, the pushing head 100 can push out and unload most of the goods in the predetermined area 42, and a small amount of the goods remained in the predetermined area 42 and the edge area 43 can be unloaded by the unloading device. It can be seen that the loading device is suitable for a large number of unloading by adding the pushing head.

The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.

Claims (8)

1. A discharge apparatus comprising a support frame and a push assembly connected to the support frame for discharging, the push assembly comprising:

a pushing member for pushing the cargo,

the driving assembly is connected with the supporting frame and used for driving the goods pushing piece to reciprocate between an edge area and a preset area so as to convey goods in the edge area to the preset area and unload the goods from the preset area, and the edge area is located on one side of the preset area;

the driving assembly comprises a conveying member connected with the goods pushing member and used for pushing the goods pushing member to move and a power assembly for driving the conveying member to move;

the driving assembly further comprises a bracket, a first rotating shaft, a second rotating shaft, a first driving wheel and a second driving wheel, wherein one end of the bracket is positioned in the preset area, the other end of the bracket is used for extending into the edge area, the first rotating shaft is connected with one end of the bracket, the second rotating shaft is connected with the other end of the bracket, the first driving wheel is sleeved on the first rotating shaft, the second driving wheel is sleeved on the second rotating shaft, the conveying part is an annular conveying part, the goods pushing part is fixedly connected to the outer side of the annular conveying part, one end of the annular conveying part is sleeved on the first driving wheel, the other end of the annular conveying part is sleeved on the second driving wheel, and annular autorotation is carried out around the first driving wheel and the second driving wheel to drive the goods pushing part to move;

the driving assembly further comprises a third rotating shaft connected with the bracket and positioned between the first rotating shaft and the second rotating shaft, a fourth rotating shaft connected with the bracket and positioned between the first rotating shaft and the second rotating shaft and arranged at intervals with the third rotating shaft, the third rotating shaft is positioned at the outer side of the annular conveying piece and positioned at one side of the annular conveying piece, which is close to the edge area, the fourth rotating shaft is positioned at the inner side of the annular conveying piece, the driving assembly further comprises a first tensioning wheel sleeved on the third rotating shaft and used for extruding the part, which is close to the edge area, of the annular conveying piece to the direction away from the edge area, and a second tensioning wheel sleeved on the fourth rotating shaft and used for extruding the part, which is far from the edge area, of the annular conveying piece to the direction away from the edge area.

The first tensioning wheel is provided with an avoidance gap which is formed by recessing inwards along the edge of the first tensioning wheel and used for avoiding the goods pushing piece, and the annular conveying piece drives the goods pushing piece to be inserted into the avoidance gap when the goods pushing piece moves through the first tensioning wheel;

the unloading device is used for unloading cargoes in a box body of the conveying equipment, a plurality of movable box plate groups are arranged on the side of the conveying equipment along the length direction of the conveying equipment, the box body area corresponding to each movable box plate group is the preset area, the area between two adjacent movable box plate groups is the edge area, and barriers exist at two ends of the edge area.

2. The unloading device according to claim 1, wherein at least two first driving wheels are sleeved on each first rotating shaft at intervals along the axial direction of the first rotating shaft, at least two second driving wheels are sleeved on each second rotating shaft at intervals along the axial direction of the second rotating shaft, and the number of the first driving wheels is the same as that of the second driving wheels and corresponds to that of the second driving wheels one by one;

the number of the annular conveying pieces is the same as that of the first driving wheels, one end of each annular conveying piece is sleeved on one of the first driving wheels, the other end of each annular conveying piece is sleeved on a second driving wheel corresponding to the first driving wheel, and the goods pushing pieces are connected with each annular conveying piece.

3. A discharge apparatus according to claim 1 or 2 wherein the pusher comprises a fixed end fixedly connected to the conveyor and a sweeping end connected to the fixed end for pushing the cargo, the sweeping end having a hardness less than the fixed end.

4. A discharge apparatus according to claim 1 or claim 2 wherein the discharge apparatus comprises a plurality of said pushers, each of said pushers being spaced apart in the direction of conveyance of said conveyor.

5. Discharge apparatus according to claim 1 or 2, wherein the endless conveyor is a chain and the first and second drive wheels are sprockets.

6. A discharge apparatus according to claim 1 or claim 2, wherein the discharge apparatus includes a pair of said pusher assemblies disposed on respective sides of the support frame for pushing the marginal area cargo on respective sides of the predetermined area.

7. The discharge apparatus of claim 6 wherein the pair of pusher assemblies are a first pusher assembly and a second pusher assembly, respectively, the discharge apparatus further comprising a first pusher assembly coupled to the support frame for driving the first pusher assembly in a side-to-side direction and a second pusher assembly coupled to the support frame for driving the second pusher assembly in a side-to-side direction.

8. A loading apparatus comprising a discharge device according to any one of claims 1-7,

the loading device also comprises a machine body, wherein the machine body is connected with the supporting frame so that the unloading device is arranged on the machine body; or, the loading device further comprises a machine body and a bucket connected with the machine body, wherein the bucket is directly or indirectly connected with the supporting frame so that the unloading device is arranged on the bucket.