CN113148697A

CN113148697A - Unloading system

Info

Publication number: CN113148697A
Application number: CN202110415928.6A
Authority: CN
Inventors: 曹英; 龙建维; 徐欣; 李雷雷
Original assignee: GAC Toyota Motor Co Ltd
Current assignee: GAC Toyota Motor Co Ltd
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2021-07-23
Anticipated expiration: 2041-04-16
Also published as: CN113148697B

Abstract

The invention discloses a discharge system, which is used for discharging goods in a carriage of a vehicle, wherein the tail part of the carriage is provided with a discharge port, and the discharge system comprises: the cart is placed in the carriage and is positioned on one side, away from the unloading port, of the goods to be unloaded; the connecting end of the pull rope is connected with the cart, and the free end of the pull rope extends out of the unloading port; the power device is placed outside the carriage and is arranged close to the unloading opening, and the power device is used for clamping the position of the pull rope close to the free end of the pull rope, pulling the cart to move along the unloading direction through the pull rope, and pushing the goods to be unloaded to move towards the unloading opening through the cart. The power device serving as a power source in the unloading system is located outside the carriage, the carriage space is not occupied, the vehicle loading capacity is not affected, the power device can finish automatic unloading by using the pull rope and the trolley, the trolley and the pull rope cannot be damaged in the unloading process, and the reliability is high. Even if the power device breaks down, the operator can replace the power device to manually pull the pull rope to finish unloading, and the manual-automatic integrated unloading mode is realized.

Description

Unloading system

Technical Field

The invention relates to the technical field of logistics, in particular to an unloading system.

Background

When a vehicle, such as a truck, unloads a cargo to be unloaded, such as a seat, in a carriage of the truck, usually, the cargo to be unloaded needs to be unloaded by means of a self-carried unloading device of the truck, and particularly, the seat is conveyed out of the carriage by using a power source driving chain in the carriage of the truck.

Disclosure of Invention

The invention mainly aims to provide an unloading system, aiming at solving the problems that an unloading device carried by the existing truck is easy to damage and occupies the space of a carriage.

In order to achieve the above object, the present invention provides a cargo unloading system for unloading cargo in a vehicle compartment, the rear part of the vehicle compartment having a cargo unloading port, the cargo unloading system comprising:

the trolley is placed in the carriage and is positioned on one side, away from the unloading opening, of the goods to be unloaded;

the connecting end of the pull rope is connected with the trolley, and the free end of the pull rope extends out of the unloading opening;

the power device is arranged outside the carriage and close to the unloading opening, and the power device is used for clamping the position of the pull rope close to the free end of the pull rope, pulling the cart to move along the unloading direction through the pull rope, and pushing the goods to be unloaded to move towards the unloading opening through the cart.

Preferably, power device includes the frame and install in clamping mechanism, pull mechanism in the frame, clamping mechanism includes pinch roller and first drive assembly, pull mechanism includes thumb wheel and second drive assembly, first drive assembly is used for the drive pinch roller with the thumb wheel cooperation is pressed from both sides tightly the stay cord, second drive assembly is used for the drive the thumb wheel rotates and with pinch roller cooperation pulling the stay cord.

Preferably, the clamping mechanism further comprises a movable plate, the movable plate is hinged to the rack, the clamping wheel is rotatably mounted on the movable plate, the drawing mechanism further comprises a baffle plate, the baffle plate is fixed on the rack, and the poking wheel is rotatably mounted on the baffle plate; the first driving assembly is used for driving the movable plate to move towards the direction close to the baffle so as to drive the clamping wheel and the poking wheel to be matched and clamped with the pull rope.

Preferably, the clamping mechanism further comprises a hinged plate, one end of the hinged plate is fixed with the hinged end of the movable plate, the other end of the hinged plate is hinged with the frame, and the free end of the movable plate is far away from the hinged plate; the first driving assembly comprises a fixed seat and a driving cylinder, the cylinder body of the driving cylinder is fixed on the rack through the fixed seat, and the output shaft of the driving cylinder is hinged with the movable plate at a position close to the free end of the movable plate.

Preferably, a limiting rod is further arranged on the machine frame at a position close to the drawing mechanism, and a limiting space for the pull rope to pass through is formed between the limiting rod and the machine frame.

Preferably, the second drive assembly includes motor, drive sprocket, driven sprocket and around locating chain between drive sprocket and the driven sprocket, the baffle reaches the thumb wheel all is located in the space that the chain encloses, just the thumb wheel be with chain complex sprocket, the motor with drive sprocket connects and is used for the drive sprocket rotates, in order to pass through the chain drives the thumb wheel rotates and with the tight pulley cooperation pulling the stay cord.

Preferably, the rack comprises a support column and a case, the case comprises a case body and a case cover, one side of the case body is arranged in an open manner, and the case cover is hinged to the case body and used for opening or closing the open manner; the side wall of the box body is further provided with an inlet and an outlet through which the pull rope passes, the clamping mechanism and the drawing mechanism are both arranged in the box body and located between the inlet and the outlet, a guide roller is further arranged at a position, close to the inlet, in the box body, and the pull rope is wound on the guide roller.

Preferably, the baffle is arranged in an inclined manner, one end of the baffle faces the inlet, and the other end of the baffle faces the outlet.

Preferably, the shallow is including walking frame and shallow, the walking wheel is installed to the walking frame, the shallow install in one side towards the goods of waiting to uninstall on the walking frame, the link of stay cord with the walking frame is connected, the shallow be provided with be used for with wait to uninstall the guard plate of material contact.

Preferably, the unloading system further comprises a guide assembly, the guide assembly comprises a first guide wheel, a second guide wheel and a third guide wheel which are arranged at the unloading opening, the first guide wheel and the second guide wheel are arranged at intervals and at the same height, the third guide wheel is arranged on the same side as the power device, the third guide wheel is higher than the first guide wheel and the second guide wheel, a rotating shaft of the first guide wheel is arranged along a Z direction perpendicular to the unloading direction, a rotating shaft of the second guide wheel and a rotating shaft of the third guide wheel are both arranged along a direction parallel to the unloading direction, and a free end of the pull rope sequentially winds the first guide wheel, the second guide wheel and the third guide wheel and extends to the power device.

In the technical scheme of the invention, when the unloading system is used, the power device clamps the position, close to the free end, of the pull rope, drives the pull rope to enable the pull rope to pull the cart to move along the unloading direction, the power device can pull the cart to move towards the unloading opening through the pull rope, the cart can be abutted and pushes the seat to move towards the unloading opening in the process of moving towards the unloading opening until the cart moves to the position close to the unloading opening, and therefore all seats are pushed to the existing automatic conveying equipment to finish the automatic unloading process. The power device serving as a power source in the unloading system is positioned outside the carriage, the space of the carriage is not occupied, the loading capacity of the vehicle is not influenced, the power device can finish automatic unloading by using the pull rope and the cart, the unloading efficiency is improved, the manual labor intensity and the labor input cost are reduced, the cart and the pull rope cannot be damaged in the unloading process, and the reliability is high. In addition, the power device of the unloading system can replace a vehicle power source, and the manufacturing cost of the vehicle is reduced. In addition, even if the power device fails, an operator can replace the power device to manually pull the pull rope to finish unloading, so that the manual unloading process is realized, the unloading system has the functions of automatic unloading and manual unloading, realizes a manual-automatic unloading mode, and is flexible and convenient to use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic front view of an unloading system according to an embodiment of the invention;

fig. 2 is a schematic side view of an unloading system according to an embodiment of the invention;

fig. 3 is a schematic front view of an unloading system according to an embodiment of the invention before unloading;

fig. 4 is a schematic front view of a discharge system after completion of discharge in accordance with an embodiment of the present invention;

FIG. 5 is a schematic view of a portion of the power plant of the unloading system of one embodiment of the present invention in an initial state;

FIG. 6 is a schematic view of a portion of the power plant of the unloading system of one embodiment of the present invention in an operational state;

FIG. 7 is a schematic side view of a power plant of the unloading system of one embodiment of the invention;

fig. 8 is a schematic top view of a cart in an unloading system according to an embodiment of the present invention.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

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

It should be noted that all the directional indications (such as up, down, left, right, front, and rear … …) in the present embodiment are only used to explain the relative positional relationship between the components, the movement, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The description of the orientations of "up", "down", "front", "rear", "left", "right", etc. in the present invention is based on the orientations shown in fig. 1 and 2, and is only for explaining the relative positional relationship between the respective members in the postures shown in fig. 1 and 2, and if the specific posture is changed, the directional indication is changed accordingly.

The invention provides an unloading system.

As shown in fig. 1 to 4, the unloading system 100 of the present embodiment is used for unloading the cargo 300 in the carriage 201 of the vehicle 200, the rear portion of the carriage 201 has an unloading opening 202, and the unloading system 100 includes a cart 30, a pull rope 20 and a power device 10, wherein the cart 30 is placed in the carriage 201 and is located on the side of the cargo 300 to be unloaded, which is far away from the unloading opening 202; the connecting end of the pull rope 20 is connected with the cart 30, and the free end of the pull rope 20 extends out of the unloading port 202; the power device 10 is placed outside the carriage 201 and is arranged near the unloading port 202, and the power device 10 is used for clamping the position of the pull rope 20 near the free end thereof and pulling the cart 30 to move in the unloading direction through the pull rope 20 so as to push the goods 300 to be unloaded to move towards the unloading port 202 through the cart 30.

In this embodiment, the cargo 300 to be unloaded may be a seat or other cargo 300 placed in the compartment 201 of the vehicle 200, and the example of the cargo 300 to be unloaded is described as the seat. The carriage 201 has a front end and a rear end which are arranged opposite to each other in the front-rear direction, wherein the rear end of the carriage 201 has a discharge port 202. The unloading system 100 can unload batches of seats, the batches of seats in the vehicle 200 are divided into two upper and lower rows, and the unloading system 100 can unload two rows of seats simultaneously or in batches. One cart 30 is provided for each row of seats, and one of the rows of seats is illustrated as an example. The cart 30 is placed at the front end of the carriage 201, i.e. near the vehicle head, the power unit 10 is placed outside the carriage 201, and may be fixed on the ground, and the power unit 10 is disposed near the unloading port 202. The two ends of the pull rope 20 are a connection end and a free end, wherein the connection end of the pull rope 20 is connected with the cart 30, and the free end of the pull rope 20 extends out of the unloading port 202.

When the unloading system 100 of the present embodiment is in use, the power device 10 clamps the position of the pull rope 20 near the free end thereof, and drives the pull rope 20 to make the pull rope 20 pull the cart 30 to move along the unloading direction, it can be understood that the unloading direction of the present embodiment is from the front to the back, the power device 10 can pull the cart 30 to move back through the pull rope 20, and the cart 30 can abut and push the seat to move toward the unloading opening 202 during the backward movement process until the cart 30 moves to a position near the unloading opening 202, so as to push all the seats to the existing automatic conveying equipment 400, thereby completing the automatic unloading process. In the unloading system 100 of the present embodiment, the power device 10 serving as a power source is located outside the carriage 201, so that the space of the carriage 201 is not occupied, the loading capacity of the vehicle 200 is not affected, the power device 10 can automatically unload the cargo by using the pull rope 20 and the cart 30, the unloading efficiency is improved, the manual labor intensity and the labor input cost are reduced, the cart 30 and the pull rope 20 are not damaged during the unloading process, and the reliability is high. Furthermore, the power unit 10 of the unloading system 100 can replace the power source of the vehicle 200, thereby reducing the manufacturing cost of the vehicle 200. In addition, even if the power device 10 fails, the operator can replace the power device 10 to manually pull the pull rope 20 to complete the unloading, so as to realize the manual unloading process, so that the unloading system 100 of the embodiment has the functions of automatic unloading and manual unloading, realizes the manual-automatic unloading mode, and is flexible and convenient to use.

As shown in fig. 5 to 7, in particular, the power device 10 of the present embodiment includes a frame 13, and a clamping mechanism 11 and a drawing mechanism 12 mounted on the frame 13, where the clamping mechanism 11 includes a clamping wheel 111 and a first driving assembly 112, the drawing mechanism 12 includes a dial wheel 121 and a second driving assembly 122, the first driving assembly 112 is configured to drive the clamping wheel 111 to cooperate with the dial wheel 121 to clamp the pull rope 20, and the second driving assembly 122 is configured to drive the dial wheel 121 to rotate and cooperate with the clamping wheel 111 to draw the pull rope 20. When the power device 10 is in an initial state, the clamping mechanism 11 is arranged away from the pull-out mechanism 12, during unloading, the first driving assembly 112 of the clamping mechanism 11 drives the clamping wheel 111 to move towards the direction close to the poking wheel 121 and cooperate with the poking wheel 121 to clamp the pull rope 20, then the second driving assembly 122 of the pull-out mechanism 12 drives the poking wheel 121 to rotate, during rotation of the poking wheel 121, the poking wheel 111 cooperates with the clamping wheel 111 to pull the pull rope 20 backwards, so as to pull the cart 30, and the power device 10 is in a working state at this time.

The clamping mechanism 11 of the present embodiment further includes a movable plate 113, the movable plate 113 is hinged to the frame 13, the clamping wheel 111 is rotatably mounted on the movable plate 113, the drawing mechanism 12 further includes a baffle 123, the baffle 123 is fixed on the frame 13, and the toggle wheel 121 is rotatably mounted on the baffle 123; a gap 14 for the rope 20 to pass through is formed between the movable plate 113 and the baffle 123, and the first driving assembly 112 is used for driving the movable plate 113 to move towards the direction close to the baffle 123, so as to drive the clamping wheel 111 and the poking wheel 121 to cooperate and clamp the rope 20.

As shown in fig. 5 and 6, the number of the clamping wheels 111 is plural, the plurality of clamping wheels 111 are sequentially arranged along the length direction of the movable plate 113, each clamping wheel 111 is rotatably mounted on the movable plate 113, the clamping wheel 111 can rotate relative to the movable plate 113, the movable plate 113 is hinged with the frame 13, and the movable plate 113 can also rotate relative to the frame 13. Specifically, the rear end of the movable plate 113 is hinged to the frame 13, and the front end of the movable plate 113 can rotate clockwise under the driving of the first driving assembly 112, so as to gradually approach the baffle 123, and further drive the clamping wheel 111 to approach the poking wheel 121 until clamping the pull rope 20. It is understood that before the clamping wheel 111 and the toggle wheel 121 clamp the pulling rope 20, i.e., when the power device 10 is in the initial state, the pulling rope 20 first passes through the gap 14 between the movable plate 113 and the baffle 123. The arrangement of the plurality of clamping wheels 111 and the arrangement of the plurality of toggle wheels 121 increases the contact area between the clamping wheels and the toggle wheels and the acting length of the pull rope 20, thereby improving the clamping force and the pulling force on the pull rope 20.

Further, the clamping mechanism 11 further comprises a hinge plate 114, one end of the hinge plate 114 is fixed with the hinged end of the movable plate 113, the other end of the hinge plate 114 is hinged with the frame 13, and the free end of the movable plate 113 is far away from the hinge plate 114; the first driving assembly 112 includes a fixed seat 1121 and a driving cylinder 1122, a cylinder 11221 of the driving cylinder 1122 is fixed on the frame 13 through the fixed seat 1121, and an output shaft 11222 of the driving cylinder 1122 is hinged to the movable plate 113 near the free end thereof.

As shown in fig. 5 and 6, the front end of the hinge plate 114 is fixed to the hinge end of the movable plate 113, and the rear end of the hinge plate 114 is hinged to the frame 13, i.e., the hinge end of the movable plate 113 is hinged to the frame 13 through the hinge plate 114, the front end of the movable plate 113 is a free end, and the output shaft 11222 of the driving cylinder 1122 is hinged to the movable plate 113 near the free end thereof. When the driving cylinder 1122 is started, the output shaft 11222 of the driving cylinder 1122 extends upwards to drive the movable plate 113 to rotate clockwise, so that the movable plate 113 approaches the baffle 123, and the clamping wheel 111 cooperates with the toggle wheel 121 to clamp the pull rope 20. It can be understood that after the unloading is completed, the output shaft 11222 of the driving cylinder 1122 retracts downward to the original position, and further drives the movable plate 113 to return to the original position in the counterclockwise direction, so that the clamping wheel 111 is no longer engaged with the toggle wheel 121, the pull rope 20 is released, and the pull rope 20 can be taken out.

The frame 13 of this embodiment is further provided with a limiting rod 131 at a position close to the drawing mechanism 12, and a limiting space for the rope 20 to pass through is formed between the limiting rod 131 and the frame 13. The spacing space is formed between the limiting rod 131 and the frame 13, the pull rope 20 can pass through the spacing space, and the spacing space plays a role in limiting and guiding the pull rope 20.

The second driving assembly 122 of this embodiment includes a motor 1221, a driving sprocket 1222, a driven sprocket 1223, and a chain 1224 wound between the driving sprocket 1222 and the driven sprocket 1223, the baffle 123 and the dial wheel 121 are both located in a space surrounded by the chain 1224, the dial wheel 121 is a sprocket cooperating with the chain 1224, the motor 1221 is connected to the driving sprocket 1222 and is configured to drive the driving sprocket 1222 to rotate, so as to drive the dial wheel 121 to rotate through the chain 1224 and cooperate with the clamping wheel 111 to pull the rope 20.

In the unloading process, after the clamping wheel 111 and the poking wheel 121 are matched to clamp the pull rope 20, the motor 1221 drives the driving sprocket 1222 to rotate, the driving sprocket 1222 drives the driven sprocket 1223 to synchronously rotate through the chain 1224 in the rotating process, and then the poking wheel 121 is driven to rotate, the poking wheel 121 can poke the clamping wheel 111 to simultaneously rotate in the rotating process, and then the poking wheel 111 is matched with the clamping wheel 111 to pull the pull rope 20, so that the cart 30 is pulled through pulling the pull rope 20, and the structure is ingenious and reasonable.

As shown in fig. 5 to 7, the rack 13 of the present embodiment includes a support column 132 and a chassis 133, the chassis 133 includes a box 1331 and a box cover 1332, one side of the box 1331 is open, and the box cover 1332 is hinged to the box 1331 and is used for opening or closing the opening; an inlet 13311 and an outlet 13312 through which the pulling rope 20 passes are further formed in the side wall of the box 1331, the clamping mechanism 11 and the pulling mechanism 12 are both installed in the box 1331 and located between the inlet 13311 and the outlet 13312, a guide roller 134 is further arranged in the box 1331 close to the inlet 13311, and the pulling rope 20 is wound around the guide roller 134. For convenient observation, an observation window may be provided on the box cover 1332. A handle 13321 is further mounted on the cover 1332 to facilitate an operator opening or closing the cover 1332.

The supporting columns 132 play a supporting role, the cylinder bodies 11221 of the driving cylinders 1122 are exposed out of the box body 1331 of the power device 10, other structures are arranged in the box body 1331, the box cover 1332 can close the opening of the box body 1331 in the unloading process, safety and reliability are achieved, and after the unloading is finished, the box cover 1332 can be opened to open the opening, and the pull rope 20 is taken out. An inlet 13311 is formed in the front side wall of the box body 1331, an outlet 13312 is formed in the rear side wall of the box body 1331, the pull rope 20 can extend into the box body 1331 from the inlet 13311 and extend out of the box body 1331 from the outlet 13312, the clamping mechanism 11 and the pulling mechanism 12 are both installed in the box body 1331, the clamping mechanism 11 and the pulling mechanism 12 are both located between the inlet 13311 and the outlet 13312, the operation of clamping or pulling the pull rope 20 is facilitated, and the structural design is reasonable. Further, in order to prevent the pulling rope 20 from swinging and shifting during the pulling process of the pulling rope 20, a guide roller 134 may be disposed in the box 1331 near the inlet 13311, before the pulling rope 20 is clamped and pulled, the pulling rope 20 may be wound at least one turn around the guide roller 134 to perform a primary limiting and guiding function, and the limiting rod 131 performs a secondary limiting and guiding function on the pulling rope 20.

Since the height of the vehicle 200, for example, the truck bed 201 is high and there is a height difference between the truck bed 201 and the unloading system 100, the baffle 123 may be disposed to be inclined so that the rope 20 can smoothly extend into the box 1331 of the power unit 10, one end of the baffle 123 may be disposed toward the inlet 13311, and the other end of the baffle 123 may be disposed toward the outlet 13312. Specifically, the baffle 123 is disposed obliquely downward from front to rear, wherein a front end of the baffle 123 is disposed toward the inlet 13311, and a rear end of the baffle 123 is disposed toward the outlet 13312, with a height of the baffle 123 being higher than a height of the rear end of the baffle 123, so as to facilitate compensation for the height difference with the truck bed 201.

In the preferred embodiment, the blocking plate 123 is tiltable by 45 °, i.e., the blocking plate 123 is at a 45 ° angle to the horizontal, it being understood that the chain 1224 is also tiltable by 45 ° to cooperate with the dial wheel 121 mounted on the blocking plate 123. It should be noted that the driving cylinder 1122 may be disposed in an inclined manner, and specifically, when the movable plate 113 rotates to clamp the clamp wheel 111 and the toggle wheel 121, the cylinder 11221 and the output shaft 11222 of the driving cylinder 1122 may be perpendicular to the movable plate 113. The driving cylinder 1122 is disposed obliquely to facilitate the rotation of the movable plate 113 toward the baffle 123 and to facilitate the engagement of the pinch roller 111 with the toggle wheel 121.

As shown in fig. 1 to 4 and 8, the cart 30 of the present embodiment includes a traveling frame 31 and a push beam 32, the traveling frame 31 is provided with traveling wheels 33, the push beam 32 is installed on one side of the traveling frame 31 facing the goods 300 to be unloaded, the connection end of the pull rope 20 is connected to the traveling frame 31, and the push beam 32 is provided with a protection plate 321 for contacting the goods to be unloaded. During unloading, the pulling rope 20 pulls the cart 30, the cart 30 moves towards the unloading opening 202 through the traveling wheels 33, and the push beam 32 pushes the seat during the movement of the cart 30, so that the seat moves along with the cart 30 towards the unloading opening 202 until unloading is completed. Further, the push beam 32 is provided with the protection plate 321, and in the process of pushing the seat, the protection plate 321 is in contact with the seat, and the protection plate 321 protects the seat and prevents the seat from being damaged in the pushing process. In one embodiment, the protection plate 321 may be made of a nylon plate in the prior art, and the traveling frame 31 may be made of a steel material with a better strength in the prior art.

In order to improve the stability of the unloading process, the unloading system 100 of this embodiment further includes roller ways 40 and guide rails, the roller ways 40 and the guide rails can be disposed in the carriage 201, wherein the roller ways 40 are two rows, the two rows of roller ways 40 can be disposed at two sides of the carriage 201 at intervals and symmetrically, the seats can be supported on the roller ways 40 through the tray 500, the guide rails are disposed between the two rows of roller ways 40, and each row of roller ways 40 is formed by a plurality of rollers 41 sequentially disposed along the unloading direction. In the unloading process, the travelling wheels 33 of the cart 30 can run along the guide rails, the tray 500 can run along the roller way 40 when the cart 30 pushes the seats towards the unloading port 202, and the roller way 40 can improve the running speed of the tray 500 and the seats, shorten the unloading time and improve the unloading efficiency.

The unloading system 100 of the embodiment further includes a guiding assembly 50, the guiding assembly 50 includes a first guiding wheel 51, a second guiding wheel 52, and a third guiding wheel 53 disposed at the unloading opening 202, the first guiding wheel 51 and the second guiding wheel 52 are spaced and arranged at equal height, the third guiding wheel 53 is disposed at the same side as the power device 10, the third guiding wheel 53 is higher than the first guiding wheel 51 and the second guiding wheel 52, the rotating shaft of the first guiding wheel 51 is arranged along the Z direction perpendicular to the unloading direction, the rotating shaft of the second guiding wheel 52 and the rotating shaft of the third guiding wheel 53 are both arranged along the direction parallel to the unloading direction, and the free end of the rope 20 is sequentially wound around the first guiding wheel 51, the second guiding wheel 52, and the third guiding wheel 53 and extends to the power device 10.

Because the car 201 needs to be in butt joint with the automatic conveying equipment 400 for receiving seats, the power device 10 needs to avoid the unloading port 202 of the car 201 and be placed at one side of the car 201, and in order to facilitate the butt joint of the pull rope 20 with the cart 30 and the power device 10, the trend of the pull rope 20 can be changed by arranging the first guide wheel 51, the second guide wheel 52 and the third guide wheel 53, so that the swing deflection angle of the pull rope 20 is reduced, and the smooth transition of the pull rope 20 between the cart 30 and the power device 10 is realized.

Specifically, the first guide wheel 51 may be disposed opposite to the cart 30, the second guide wheel 52 may be disposed on a side of the carriage 201 close to the power device 10, the first guide wheel 51 and the second guide wheel 52 may be disposed at equal heights and may be disposed on a bottom wall of the carriage 201, the third guide wheel 53 may be disposed on an inner side wall of the carriage 201 and may be higher than the first guide wheel 51 and the second guide wheel 52, and a rotation axis of the first guide wheel 51 may be disposed along a Z direction perpendicular to the unloading direction, that is, a rotation axis of the first guide wheel 51 may be along an up-down direction, and directions of the second guide wheel 52 and the third guide wheel 53 may be along a front-back direction, such that a direction of the rope 20 may be changed from a front-back direction to a left-right direction when the free end of the rope 20 is wound around the first guide wheel 51, a direction of the rope 20 may be changed from a left-right direction to a top-up-down direction when the rope is wound around the second guide wheel 52, and a direction of the rope 20 may be changed from a high position to a low position when wound around the third guide wheel 53, thereby facilitating the docking of the power unit 10 with the pull cord 20. It can be understood that the arrangement positions and the rotating shaft directions of the first guide wheel 51, the second guide wheel 52 and the third guide wheel 53 can be flexibly adjusted according to actual conditions.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. An unloading system, wherein the unloading system is used for unloading goods in a vehicle carriage, the tail part of the vehicle carriage is provided with an unloading port, and the unloading system comprises:

2. The unloading system of claim 1, wherein the power device comprises a frame, and a clamping mechanism and a pulling mechanism which are mounted on the frame, the clamping mechanism comprises a clamping wheel and a first driving assembly, the pulling mechanism comprises a poking wheel and a second driving assembly, the first driving assembly is used for driving the clamping wheel to cooperate with the poking wheel to clamp the pull rope, and the second driving assembly is used for driving the poking wheel to rotate and cooperate with the clamping wheel to pull the pull rope.

3. The unloading system of claim 2, wherein the clamping mechanism further comprises a movable plate, the movable plate is hinged to the frame, the clamping wheel is rotatably mounted to the movable plate, the pull mechanism further comprises a flapper, the flapper is fixed to the frame, and the toggle wheel is rotatably mounted to the flapper; the first driving assembly is used for driving the movable plate to move towards the direction close to the baffle so as to drive the clamping wheel and the poking wheel to be matched and clamped with the pull rope.

4. A discharge system according to claim 3, wherein the clamping mechanism further comprises a hinged plate, one end of the hinged plate is fixed with the hinged end of the movable plate, the other end of the hinged plate is hinged with the frame, and the free end of the movable plate is far away from the hinged plate; the first driving assembly comprises a fixed seat and a driving cylinder, the cylinder body of the driving cylinder is fixed on the rack through the fixed seat, and the output shaft of the driving cylinder is hinged with the movable plate at a position close to the free end of the movable plate.

5. The discharge system of claim 4, wherein a stop rod is further disposed on the frame adjacent to the pull mechanism, and a stop space is formed between the stop rod and the frame for the pull rope to pass through.

6. The unloading system of claim 3, wherein the second driving assembly comprises a motor, a driving sprocket, a driven sprocket and a chain wound between the driving sprocket and the driven sprocket, the baffle and the poking wheel are both located in a space enclosed by the chain, the poking wheel is a sprocket matched with the chain, and the motor is connected with the driving sprocket and used for driving the driving sprocket to rotate so as to drive the poking wheel to rotate through the chain and match with the clamping wheel to pull the pull rope.

7. An unloading system according to claim 3, wherein the frame comprises a support column and a chassis, the chassis comprises a box body and a box cover, one side of the box body is arranged in an open manner, and the box cover is hinged to the box body and used for opening or closing the open manner; the side wall of the box body is further provided with an inlet and an outlet through which the pull rope passes, the clamping mechanism and the drawing mechanism are both arranged in the box body and located between the inlet and the outlet, a guide roller is further arranged at a position, close to the inlet, in the box body, and the pull rope is wound on the guide roller.

8. The discharge system of claim 7, wherein the baffle is inclined with one end of the baffle disposed toward the inlet and the other end of the baffle disposed toward the outlet.

9. A discharge system according to any one of claims 1 to 8, wherein the trolley comprises a travelling frame and a push beam, the travelling frame is provided with travelling wheels, the push beam is arranged on one side of the travelling frame facing the goods to be discharged, the connecting end of the pull rope is connected with the travelling frame, and the push beam is provided with a protective plate for contacting with the goods to be discharged.

10. Unloading system according to any of claims 1-8, the discharge system further comprises a guide assembly comprising a first guide wheel, a second guide wheel, a third guide wheel arranged at the discharge opening, the first guide wheel and the second guide wheel are arranged at intervals and at the same height, the third guide wheel and the power device are arranged at the same side, and the third guide wheel is higher than the first guide wheel and the second guide wheel, the rotating shaft of the first guide wheel is arranged along the Z direction vertical to the unloading direction, the rotating shaft of the second guide wheel and the rotating shaft of the third guide wheel are both arranged along the direction parallel to the unloading direction, and the free end of the pull rope sequentially winds the first guide wheel, the second guide wheel and the third guide wheel and then extends to the power device.