CN112849972A

CN112849972A - Novel there is rail RGV dolly material transporting system

Info

Publication number: CN112849972A
Application number: CN202011574461.1A
Authority: CN
Inventors: 马树国; 田帝
Original assignee: Shijiazhuang Pingle Red Tide Intelligent Technology Co ltd
Current assignee: Shijiazhuang Pingle Red Tide Intelligent Technology Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-05-28

Abstract

The invention discloses a novel rail-guided RGV (reduced gauge volume) trolley conveying system, and belongs to the technical field of automatic conveying. The system comprises an RGV trolley, a hopper, a hollow chain plate conveyor and a temporary storage hopper, wherein the hopper is arranged on the RGV trolley, and granular materials are stored in the hopper; the hollow chain plate conveyor is arranged on the side of the RGV trolley and used for receiving and transporting a hopper conveyed by the RGV trolley, and a temporary storage hopper is arranged below the hollow chain plate conveyor; the temporary storage bin is arranged below the hollow chain plate conveyor, and the upper end and the lower end of the temporary storage bin are respectively butted with the hopper. The invention provides a novel rail-guided RGV trolley conveying system, which is used for ensuring the transportation and the unloading of materials under the condition of large elevation drop, thereby improving the automation degree and the material conveying efficiency. The material conveying system is reasonable in design and wide in application range.

Description

Novel there is rail RGV dolly material transporting system

Technical Field

The invention belongs to the technical field of automatic conveying, and particularly relates to a novel RGV trolley conveying system.

Background

With the development of automated logistics systems and automated warehouses, RGV carts are also being generated. Under the deployment of the system, the RGV can automatically carry the goods unit, and the goods can be transported to another place from one place, so that one port can be used for transferring multiple ports, and the multiple ports can be used for transferring multiple ports of materials. The RGV can be conveniently and automatically connected with other logistics systems, and materials can be conveyed according to a plan. However, in the existing material conveying system, because the characteristic requirement of the RGV is that the gradient requirement is not more than 0.3%, the gradient refers to the height difference between two points and the percentage of the distance, and the calculation formula is as follows: gradient = (height difference/distance) x100%, so that the RGV car can only transport material along a specific track within a specific gradient range; the method is not suitable for the working condition with large elevation drop (namely the gradient is more than 0.3%).

Disclosure of Invention

The invention aims to solve the technical problem of providing a novel rail-guided RGV trolley conveying system to ensure the transportation and the unloading of materials under the condition of large elevation fall so as to improve the automation degree and the working efficiency.

In order to solve the problems, the technical scheme adopted by the invention is as follows:

a novel rail-guided RGV trolley conveying system comprises an RGV trolley, a feeding hopper, a hollow chain plate conveyor, a temporary storage hopper and a receiving hopper;

the feeding hopper is internally stored with materials which are arranged on an RGV trolley;

the hollow chain plate conveyor is arranged beside the RGV trolley and is used for bearing and transporting a feeding hopper for conveying the RGV trolley;

the temporary storage hopper is arranged under the hollow chain-plate conveyor, the upper end port of the temporary storage hopper is in butt joint with the feeding hopper, the upper end port of the temporary storage hopper is in butt joint with the receiving hopper, and the temporary storage hopper is used for enabling material flow of the feeding hopper to flow into the receiving hopper.

As a further improvement of the invention, the hollowed-out chain plate conveyor comprises a frame, a power part, a conveying part and a bearing seat with a sliding block;

the power component and the conveying component are both mounted on the rack, the power component is in transmission connection with the conveying component, and the conveying component is rotatably mounted on the rack through a bearing seat with a sliding block.

As a further improvement of the invention, the conveying part comprises a driving wheel, a driving shaft, a chain plate chain, a driven wheel and a driven shaft;

the number of the driving wheels and the number of the driven wheels are two, the two driving wheels are coaxially and fixedly arranged on the driving shaft, and the two driven wheels are coaxially and fixedly arranged on the driven shaft;

two ends of the driving shaft and the driven shaft are respectively connected with the inside of the sliding block bearing seat in a rotating way through spherical bearings;

the quantity of chain link chain is two, two the chain link chain includes that two encircle the cover respectively and hang the unilateral area ear chain and the equidistant link joint of installing on unilateral area ear chain lateral surface on relative a set of action wheel and follow driving wheel.

As a further improvement of the invention, the power component comprises a motor and a speed reducer which are fixed on the frame, a power shaft of the motor is in transmission connection with an input shaft of the speed reducer, and an output shaft of the speed reducer drives the driving shaft to rotate.

As a further improvement of the invention, the RGV comprises a trolley body, a shield and a track;

the trolley body stretches across the track and moves along the track, and the protective cover and the trolley body are located at the upper end of the trolley body.

As a further improvement of the invention, the trolley body comprises a frame, a walking component, an induction device, a chain plate conveying platform and a driving component, wherein the walking component, the induction device, the chain plate conveying platform and the driving component are arranged on the frame;

the walking assembly is in sliding fit with the track; the sensing device is fixedly connected to the middle part below the frame and used for sensing and detecting the barrier; the driving assembly is connected with the walking assembly through a transmission shaft; the chain plate conveying platform is located at the upper end of the trolley body and is connected with the trolley body in a rotating mode, the feeding hopper is arranged on the chain plate conveying platform, and the feeding hopper is moved to the side hollow chain plate conveyor from the RGV trolley through the rotation of the chain plate conveying platform.

As a further improvement of the invention, the feeding hopper comprises a frame mechanism, a material loading container, an automatic ejection mechanism, a bearing seat, a transmission rotating shaft, a hinge seat and a hinge pin assembly;

the material loading container is connected to the frame mechanism through a transmission rotating shaft and a bearing seat, the material loading container comprises an inner hopper right part and an inner hopper left part, and the inner hopper right part and the inner hopper left part are oppositely buckled to form a cavity for containing materials;

the hinge seats are respectively and fixedly arranged on the far sides of the right side of the inner hopper and the left side of the inner hopper;

and the left end and the right end of the material carrying container are both provided with automatic jacking mechanisms for jacking the right end and the left end of the inner hopper.

As a further improvement of the invention, the automatic ejection mechanism comprises an ejector rod, a pin shaft, an ejector rod connecting piece, a connecting pin, a slide rail, a driving block and a positioning block;

the number of the ejector rods is two, one ends of the two ejector rods are hinged with hinge seats on the right side of the inner hopper and the left upper side of the inner hopper respectively through hinge pin assemblies, and the other ends of the two ejector rods are hinged with ejector rod connecting pieces through hinge pins;

the top end of the sliding rail is embedded into the ejector rod connecting piece and connected together through a connecting pin, and a cylinder at the lower end of the sliding rail is connected with the driving block in a penetrating manner;

the two positioning blocks are respectively fixed on the right side of the inner hopper and the left side of the inner hopper near the opposite sides, are positioned under the driving block and are used for limiting the sliding position of the driving block.

As a further improvement of the invention, the rack comprises a rack bracket and a rack platform fixedly connected to the upper end of the rack bracket;

and the rack platform is fixedly provided with an air cylinder which is used as a power part for jacking the driving block.

As a further improvement of the invention, the temporary storage hopper comprises a funnel, a hoop and a material telescopic hose;

the funnel is including warping the pipe of head and fixed connection port under the head warp, material expansion hose's upper end mouth cover is outside at the pipe to by the staple bolt with the upper end fastening of material expansion hose outside the pipe, material expansion hose's lower port is located the top that connects the hopper.

Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:

compared with the existing single RGV trolley conveying system, the novel RGV trolley conveying system ensures effective transportation and unloading of granular materials under the condition of large elevation drop (namely the gradient is more than 0.3 percent), and improves the automation degree and the working efficiency. The invention has reasonable design and wide application range.

The hopper of the invention adopts a passive type, namely the opening and closing state of the hopper depends on external excitation, thus not only simplifying the structure but also reducing the energy consumption.

The automatic jacking mechanism and the passive hopper are independent from each other, and the opening and closing state of the passive hopper can be conveniently adjusted. When the opening (namely, the unloading is started) and closing (namely, the unloading is finished) states of the passive car hopper need to be adjusted, the opening angle of the passive car hopper is changed by changing the relative position of the driving block and the slide rail, the unloading efficiency is effectively improved, and the adjustment is convenient and quick.

The invention is provided with an air chain scraper conveyor which is used for receiving and transporting goods units conveyed by an RGV trolley. The rack platform and the rack support are mutually independent and movably linked, and the rack support can be mounted and dismounted according to specific conditions in actual work; the lower end of the rack support is provided with a foot cup, and the arrangement of the foot cup enables the chain plate conveying platform and the RGV trolley to be always in a flush state.

The temporary storage bin is arranged to ensure that the dust splashing is avoided during closed feeding, the length of the material telescopic hose of the temporary storage bin can be adjusted according to the actual height difference, and the application range of the temporary storage bin is widened.

Drawings

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

Fig. 1 is a schematic plan view of the present invention.

FIG. 2 is a schematic three-dimensional structure of the RGV of the present invention.

FIG. 3 is a schematic three-dimensional structure of the RGV car body of the present invention.

Fig. 4 is a schematic three-dimensional structure of the hopper of the present invention.

Fig. 5 is a left side view of fig. 4.

Fig. 6 is a front view of the drag chain conveyor of the present invention.

Fig. 7 is a schematic perspective view of the conveying section of the conveyor of the present invention.

Fig. 8 is a schematic perspective view of the temporary storage bin of the present invention.

Wherein:

1RGV trolley, 1a track, 1b trolley body, 1b1 walking assembly, 1b2 frame, 1b3 induction device, 1b4 chain plate conveying platform, 1b5 driving assembly, 1c shield, 2 feeding hopper, 2a frame mechanism, 2b material carrying container, 2b1 inner hopper right, 2b2 inner hopper left, 2c automatic ejection mechanism, 2c1 ejector rod, 2c2 pin shaft, 2c3 ejector rod connecting piece, 2c4 connecting pin, 2c5 sliding rail, 2c6 driving block, 2c7 positioning block, 2d bearing block, 2e transmission rotating shaft, 2f hinge seat, 2g hinge pin assembly, 3 hollow chain plate conveyor, 3a power part, 3a1 motor, 3a2 reducer, 3b conveying part, 3b driving wheel, 3b2 driving shaft, 3b3, 3b4 single-side chain plate, 3b4 ear, 3b 6342 chain, 3b5 driven wheel rack, 3b 599 d driven shaft, 3b 599 cylinder platform, 3c 5739 d, 3d2 frame support, 3e area slider bearing frame, 4 bin the fill temporarily, 4a funnel, 4a1 warp head, 4a2 pipe, 4b staple bolt, 4c material flexible hose, 5 connect the hopper, h1 first elevation, h2 second elevation.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses. 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 application.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

As shown in figure 1 of the drawings, in which,

the embodiment is a novel rail-guided RGV trolley conveying system, which comprises an RGV trolley 1, a feeding hopper 2, a hollow chain plate conveyor 3, a temporary storage hopper 4 and a receiving hopper 5;

granular materials are stored in the feeding hopper 2 and are arranged on the RGV trolley 1, and the RGV trolley 1 loaded with the feeding hopper 2 is positioned at a first elevation h 1;

the hollow chain plate conveyor 3 is arranged beside the RGV trolley 1 and is used for bearing and transporting a feeding hopper 2 conveyed by the RGV trolley 1;

the temporary storage hopper 4 is arranged right below the hollow chain-link conveyor 3, the upper end of the temporary storage hopper is in butt joint with the feeding hopper 2, the upper end of the temporary storage hopper is in butt joint with the receiving hopper 5, and the temporary storage hopper is used for enabling material flow of the feeding hopper 2 to smoothly flow into the receiving hopper 5, specifically, the receiving hopper 5 is arranged on an RGV (red target volume) conveying trolley arranged below the temporary storage hopper, and the RGV conveying trolley is located at a second elevation h 2.

As shown in fig. 6 and 7, the drag chain conveyor 3 includes a power unit 3a, a conveying unit 3b, a cylinder 3c, a frame 3d, and a bearing housing 3e with a slide. The power part 3a comprises a motor 3a1 and a speed reducer 3a2, and the power part is used for providing power required by the normal operation of the machine. The conveying part 3b comprises a driving wheel 3b1, a driving shaft 3b2, a chain plate 3b3, a single-side lug chain 3b4, a driven wheel 3b5 and a driven shaft 3b 6; the chain plates 3b3 are mounted on two single-side chain with lugs 3b4 which are symmetrically arranged at equal intervals to form a chain plate chain, the chain plate chain is hung on the driven wheel 3b5 and the driving wheel 3b1 of the driven shaft 3b6 and the driving shaft 3b2, and the driven shaft 3b6 and the driving shaft 3b2 respectively support the driven wheel 3b5 and the driving wheel 3b1 and are connected with a bearing seat 3e with a slide block which is mounted on a machine frame through spherical bearings. The cylinder 3c serves as a power member of the automatic jack-up mechanism 2 c. The rack 3d comprises a rack platform 3d1 and a rack bracket 3d2, the rack platform 3d1 is formed by welding sectional materials, the lower part of the rack platform can be movably connected with the rack bracket 3d2, and the rack bracket 3d2 can be installed or detached according to actual requirements; the rack support 3d2 is composed of a rectangular tube, a square flange and a foot cup, the square flange is welded on the top of the rectangular tube and used for being connected with the rack platform 3d1, the foot cup is arranged at the bottom of the rectangular tube, and the foot cup is arranged so that the upper end face of the hollow chain plate conveyor 3 and the chain plate conveying platform 1b4 are always in a flush state under the condition of the rack support 3d 2.

The single-side chain with lugs 3b4 of the embodiment is provided with lugs on one side of the chain, the lugs of the embodiment have the same interval, and chain plates 3b3 are arranged on the lugs; the existing chain with the lugs on the single side can be selected, each chain link is provided with a connecting lug plate, and the lugs at equal intervals are selected to be installed when the chain plates 3b3 are installed, so that reasonable intervals are guaranteed.

As shown in fig. 2 and 3, the RGV cart 1 includes a rail 1a, a cart body 1b, and a shield 1 c. The trolley body 1b spans the track 1a and moves along the track, and the protective cover 1c is positioned at the upper end of the trolley body 1b and movably connected with the trolley body 1 b. The trolley body 1b comprises a frame 1b2, a walking assembly 1b1 arranged on the frame, a sensing device 1b3 for detecting obstacles, a chain plate conveying platform 1b4, a driving assembly 1b5 and the like. The walking assembly 1b1 comprises a roller wheel, a guide wheel and the like, the roller wheel and the guide wheel are matched on the trolley track 1a, the RGV trolley 1 is driven to advance along the trolley track 1a by means of rolling friction force between the roller wheel and the track, and the guide wheel plays a role in correcting deviation. The chain plate conveying platform 1b4 is located at the upper end of the trolley body 1b and is movably connected with the trolley body 1b, is used for exchanging the position of the car hopper 2 on the RGV trolley 1 to the hollow chain plate conveyor 3, and comprises a conveying motor, chain transmission, conveying chain plates, a transmission shaft, a transmission wheel, a guide wheel and the like. The driving assembly 1b5 provides the power for the RGV trolley 1 to advance along the trolley track 1a, and is connected with a pair of walking assemblies 1b1 through a transmission shaft.

As shown in fig. 4 and 5, the feeding hopper 2 includes a frame mechanism 2a, a material loading container 2b, an automatic ejection mechanism 2c, a bearing seat 2d, a transmission shaft 2e, a hinge seat 2f and a hinge pin assembly 2g, the material loading container 2b is connected to the frame mechanism 2a through the bearing seat 2d and the transmission shaft 2e, the automatic ejection mechanism 2c is arranged at the left and right ends, and the material loading container 2b is composed of two parts, namely an inner hopper right 2b1 and an inner hopper left 2b 2. The automatic ejection mechanism 2c comprises an ejector rod 2c1, a pin shaft 2c2, an ejector rod connecting piece 2c3, a connecting pin 2c4, a sliding rail 2c5, a driving block 2c6 and a positioning block 2c 7. One end of the ejector rod 2c1 is hinged with the hinge seat 2f on the right 2b1 and the left 2b2 of the inner hopper through a hinge pin assembly 2g, and the other end is hinged with an ejector rod connecting piece 2c3 through a pin shaft 2c 2; the top ends of the slide rails 2c5 are embedded in the mandril connecting piece 2c3 and connected together through a connecting pin 2c4, and the column body penetrates through the driving block 2c 6. When the materials need to be unloaded, an excitation is given to the driving block 2c6, so that the driving block 2c6 moves along the slide rail 2c5, is separated from the positioning block and then moves to be in contact with the ejector rod connecting piece 2c3, the driving block 2c6 continues to move, the ejector rod 2c1 drives the right inner hopper 2b1 and the left inner hopper 2b2 to be opened, so that the materials fall from the material loading container 2b, and the unloading task is completed; after the unloading is finished, the positioning block 2c7 is pulled by the electromagnet on the cylinder diameter, so that the inner hopper right 2b1 and the inner hopper left 2b2 return to the original state.

As shown in fig. 8, the temporary storage hopper 4 comprises a hopper 4a, an anchor ear 4b and a material flexible hose 4 c;

the funnel 4a is formed by welding a deforming head 4a1 and a round tube 4a2, and a material telescopic hose 4c is sleeved outside the round tube 4a 2; the upper end opening of the material telescopic hose 4c and the round pipe 4a2 are fastened together through the hoop 4b, the length of the material telescopic hose 4c can be adjusted according to the actual height difference, and the lower end opening of the material telescopic hose 4c is located above the material receiving hopper 5 so as to guarantee closed feeding and avoid dust splashing.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; it is obvious as a person skilled in the art to combine several aspects of the invention. And such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a novel there is rail RGV dolly material transporting system which characterized in that: comprises an RGV trolley (1), a feeding hopper (2), a hollow chain plate conveyor (3), a temporary storage hopper (4) and a receiving hopper (5);

the feeding hopper (2) is internally stored with materials and is arranged on the RGV trolley (1);

the hollow chain plate conveyor (3) is arranged beside the RGV trolley (1) and is used for bearing and transporting a feeding hopper (2) conveyed by the RGV trolley (1);

the temporary storage hopper (4) is arranged right below the hollow chain plate conveyor (3), the upper end port of the temporary storage hopper is in butt joint with the feeding hopper (2), the upper end port of the temporary storage hopper is in butt joint with the receiving hopper (5), and the temporary storage hopper is used for enabling material flow of the feeding hopper (2) to flow into the receiving hopper (5).

2. The rail RGV car transportation system of claim 1, wherein: the hollow chain plate conveyor (3) comprises a rack (3 d), a power part (3 a), a conveying part (3 b) and a bearing seat (3 e) with a sliding block;

the power component (3 a) and the conveying component (3 b) are both mounted on the rack (3 d), the power component (3 a) is in transmission connection with the conveying component (3 b), and the conveying component (3 b) is rotatably mounted on the rack (3 d) through a bearing seat (3 e) with a sliding block.

3. The rail RGV car transportation system of claim 2, wherein: the conveying component (3 b) comprises a driving wheel (3 b 1), a driving shaft (3 b 2), a chain plate chain, a driven wheel (3 b 5) and a driven shaft (3 b 6);

the number of the driving wheels (3 b 1) and the number of the driven wheels (3 b 5) are two, the two driving wheels (3 b 1) are coaxially and fixedly arranged on the driving shaft (3 b 2), and the two driven wheels (3 b 5) are coaxially and fixedly arranged on the driven shaft (3 b 6);

two ends of the driving shaft (3 b 2) and the driven shaft (3 b 6) are respectively connected with the inside of a sliding block bearing seat (3 e) through a spherical bearing in a rotating way;

the number of chain link is two, two the chain link includes that two encircle the unilateral area ear chain (3 b 4) that the cover hangs on relative a set of action wheel (3 b 1) and follow driving wheel (3 b 5) and install link joint (3 b 3) on the lateral surface of unilateral area ear chain (3 b 4) equidistant respectively.

4. The rail RGV car transportation system of claim 3, wherein: the power component (3 a) comprises a motor (3 a 1) and a speed reducer (3 a 2) which are fixed on the rack (3 d), a power shaft of the motor (3 a 1) is in transmission connection with an input shaft of the speed reducer (3 a 2), and an output shaft of the speed reducer (3 a 2) drives a driving shaft (3 b 2) to rotate.

5. The rail RGV car transportation system of claim 4, wherein: the RGV trolley (1) comprises a trolley body (1 b), a shield (1 c) and a track (1 a);

the trolley body (1 b) stretches across the track (1 a) and runs along the track (1 a), and the protective cover (1 c) and the trolley body (1 b) are located at the upper end of the trolley body (1 b).

6. The rail RGV car transportation system of claim 5, wherein: the trolley body (1 b) comprises a frame (1 b 2), a walking assembly (1 b 1) arranged on the frame (1 b 2), an induction device (1 b 3), a chain plate conveying platform (1 b 4) and a driving assembly (1 b 5);

the walking assembly (1 b 1) is in sliding fit with the track (1 a); the sensing device (1 b 3) is fixedly connected to the middle part below the vehicle frame (1 b 2) and used for sensing and detecting an obstacle; the driving assembly (1 b 5) is connected with the walking assembly (1 b 1) through a transmission shaft; the chain plate conveying platform (1 b 4) is located at the upper end of the trolley body (1 b) and is rotationally connected with the trolley body (1 b), the feeding hopper (2) is arranged on the chain plate conveying platform (1 b 4), and the feeding hopper (2) is moved to the side hollow chain plate conveyor (3) from the RGV trolley (1) by the rotation of the chain plate conveying platform (1 b 4).

7. The rail RGV car transportation system of claim 6, wherein: the feeding hopper (2) comprises a frame mechanism (2 a), a material loading container (2 b), an automatic jacking mechanism (2 c), a bearing seat (2 d), a transmission rotating shaft (2 e), a hinge seat (2 f) and a hinge pin assembly (2 g);

the material loading container (2 b) is connected to the frame mechanism (2 a) through a transmission rotating shaft (2 e) and a bearing seat (2 d), the material loading container (2 b) comprises an inner hopper right (2 b 1) and an inner hopper left (2 b 2), and the inner hopper right (2 b 1) and the inner hopper left (2 b 2) are oppositely buckled to form a cavity for containing materials;

the hinge seats (2 f) are fixedly mounted on the opposite far sides of the right (2 b 1) and left (2 b 2) inner hoppers respectively;

and the left end and the right end of the material loading container (2 b) are both provided with automatic ejection mechanisms (2 c) for ejecting the right (2 b 1) and the left (2 b 2) of the inner hopper.

8. The rail RGV car haulage system of claim 7, wherein: the automatic ejection mechanism (2 c) comprises an ejector rod (2 c 1), a pin shaft (2 c 2), an ejector rod connecting piece (2 c 3), a connecting pin (2 c 4), a sliding rail (2 c 5), a driving block (2 c 6) and a positioning block (2 c 7);

the number of the top rods (2 c 1) is two, one end of each of the two top rods (2 c 1) is hinged with a hinge seat (2 f) on the right (2 b 1) of the inner hopper and the left (2 b 2) of the inner hopper through a hinge pin assembly (2 g), and the other end of each of the two top rods is hinged with a top rod connecting piece (2 c 3) through a pin shaft (2 c 2);

the top end of the slide rail (2 c 5) is embedded into a mandril connecting piece (2 c 3) and connected together through a connecting pin (2 c 4), and the lower end column of the slide rail (2 c 5) is connected with a driving block (2 c 6) in a penetrating way;

the number of the positioning blocks (2 c 7) is two, and the two positioning blocks (2 c 7) are respectively fixed on the opposite near sides of the right (2 b 1) and the left (2 b 2) of the inner hopper and are positioned under the driving block (2 c 6) to limit the downward sliding position of the driving block (2 c 6).

9. The rail RGV car haulage system of claim 8, wherein: the rack (3 d) comprises a rack bracket (3 d 2) and a rack platform (3 d 1) fixedly connected to the upper end of the rack bracket (3 d 2);

and a cylinder (3 c) is fixedly mounted on the rack platform (3 d 1), and the cylinder (3 c) is used as a power part for jacking the driving block (2 c 6).

10. The rail RGV car haulage system according to any one of claims 1 to 9, wherein: the temporary storage hopper (4) comprises a funnel (4 a), a hoop (4 b) and a material telescopic hose (4 c);

funnel (4 a) including warp head (4 a 1) and fixed connection warp round tube (4 a 2) of head (4 a 1) lower port, the last port cover of material expansion hose (4 c) is outside at round tube (4 a 2) to fasten the upper end of material expansion hose (4 c) outside round tube (4 a 2) by staple bolt (4 b), the lower port of material expansion hose (4 c) is located the top that connects hopper (5).