Bulk cargo conveying equipment cantilever return belt blanking automatic recovery device and method

Abstract

The invention relates to a bulk cargo conveying equipment cantilever return belt blanking automatic recovery device and method, and belongs to the technical field of large bulk cargo conveying equipment.The device comprises a cantilever material receiving plate, a material receiving hopper and a material receiving pipe, the material receiving hopper is vertically and fixedly arranged, and a discharging opening is formed in the bottom of the material receiving hopper; the material receiving pipe is fixedly mounted at the discharge hole and is communicated with the discharge hole; the cantilever material receiving plate is installed on one side above the material receiving hopper, and one end of the cantilever material receiving plate extends to the position above the material receiving hopper. The cantilever material receiving plate is used for being connected with a cantilever of the ship loader and can be driven by the ship loader to turn over downwards to be in a horizontal state so as to recycle materials, or can be driven by the ship loader to turn over upwards to be in an inclined state so that the materials recycled on the cantilever material receiving plate can fall into the material receiving hopper. According to the automatic recovery device, automatic recovery of discharged materials of the cantilever return belt of bulk cargo conveying equipment is achieved, equipment performance is improved, and labor force of workers is relieved; and meanwhile, scattered materials on the cantilever of the bulk cargo conveying equipment are reduced, the environment can be effectively protected, the falling risk of accumulated materials on the cantilever frame is avoided, and potential safety hazards are reduced.

Description

Technical Field

[0001] The invention relates to the technical field of large bulk cargo conveying equipment, and in particular to an automatic material recovery device and method for a cantilever return belt of a bulk cargo conveying equipment. Background Art

[0002] Stackers and reclaimers and ship loaders are modern high-efficiency equipment for continuous loading and unloading of bulk materials. They are widely used in the loading and unloading, stacking and retrieving of bulk materials (including ore, coke, coal, sand and gravel, etc.) in ports, cement plants, coal storage plants, power plants, steel plants, etc. Stackers and reclaimers and ship loaders are transfer equipment connected to belt conveyors, used to stack and reclaim materials transported by belt conveyors and load them at designated locations. The cantilever mechanisms of the two are similar, both are composed of belt conveyors, and both can perform pitching movements. In the process of transporting materials, the return belt of the belt conveyor will produce return belt materials that will spill on the yard and dock surface.

[0003] The spilled materials will have the following adverse effects: first, it will pollute the environment of the yard and the dock surface; second, it will require a lot of manpower and material resources to manually clean up the fallen materials, which is time-consuming and labor-intensive; third, the spilled materials will accumulate on the cantilever steel structure and there is a risk of falling, posing a safety hazard to pedestrians and vehicles. Summary of the invention

[0004] The invention provides a device and method for automatically recovering dropped materials of a cantilever return belt of bulk cargo conveying equipment, aiming to solve the problems in the prior art.

[0005] The technical solution of the present invention to solve the above technical problems is as follows: An automatic recovery device for dropped materials on a cantilever return belt of a bulk cargo conveying equipment comprises a cantilever receiving plate, a receiving hopper and a receiving pipe, wherein the receiving hopper is vertically fixed and has a discharge port at its bottom; the receiving pipe is fixedly installed at the discharge port and is connected to the discharge port; the cantilever receiving plate is installed on one side above the receiving hopper, and one end of the cantilever receiving plate extends to the top of the receiving hopper; the cantilever receiving plate is used to connect to the cantilever of a ship loader, and can be flipped downward to a horizontal state driven by the ship loader to recover materials, or can be flipped upward to an inclined state driven by the ship loader to allow the recovered materials on it to fall into the receiving hopper.

[0006] The beneficial effects of the present invention are as follows: during the recycling process, the cantilever receiving plate is turned downward to a horizontal state under the drive of the ship loader to recycle materials, or can be turned upward to an inclined state under the drive of the ship loader to allow the recovered materials on it to fall into the receiving hopper, thereby facilitating material recycling and reducing costs.

[0007] The present invention realizes the automatic recovery of the dropped materials of the cantilever return belt of the bulk cargo conveying equipment, improves the equipment performance and reduces the labor of workers; at the same time, it reduces the spillage of the cantilever of the bulk cargo conveying equipment, can effectively protect the environment, avoids the risk of the boom material falling, and reduces the safety hazard.

[0008] Based on the above technical solution, the present invention can also be improved as follows.

[0009] Furthermore, it also includes a material receiving baffle, which is fixedly installed on the other side above the material receiving hopper at an angle.

[0010] The beneficial effect of adopting the above further scheme is that the structure is simple and the design is reasonable. The material receiving baffle can be used to receive the accumulated material that slides down to the tail of the arm from the self-contained conveyor and the arm when the loader's cantilever is raised, and the accumulated fallen material can be unloaded into the receiving hopper at the bottom when the arm is flat, so as to avoid the accumulated material from spilling on the ground and causing waste.

[0011] Furthermore, the material receiving baffle includes a material receiving baffle support frame, a receiving plate and a surrounding plate. The material receiving baffle support frame is fixedly arranged on the other side above the material receiving hopper, and its lower side is open; the receiving plate is tilted and fixedly installed in the material receiving baffle support frame, and the surrounding plate is fixedly installed on the material receiving baffle support frame, and it encloses the upper side and left and right sides of the receiving plate.

[0012] The beneficial effects of adopting the above further solution are simple structure, reasonable design, the material receiving baffle is welded by multiple parts, and is easy to assemble.

[0013] Furthermore, the cantilever receiving plate includes a flat-bottomed receiving plate, and the flat-bottomed receiving plate is installed on one side above the receiving hopper.

[0014] The beneficial effects of adopting the above further solution are simple structure, reasonable design, and convenient receiving of accumulated materials by using a flat-bottomed receiving plate.

[0015] Furthermore, the cantilever material receiving plate also includes two inclined auxiliary material receiving plates, which are relatively inclined and fixedly installed on both sides of the flat-bottomed material receiving plate, and one end of which extends to the two sides above the material receiving hopper and fits on both sides of the material receiving baffle, and is used to connect the cantilever of the ship loader.

[0016] The beneficial effects of adopting the above further scheme are simple structure and reasonable design. Two inclined auxiliary receiving plates and a flat bottom receiving plate are used to form a trough structure, which is convenient for recovering accumulated materials and avoids the accumulated materials from spilling on the ground and causing waste.

[0017] Furthermore, the cantilever material receiving plate also includes two sealing reinforcement beams, and the two sealing reinforcement beams are relatively vertically fixedly installed on the two inclined auxiliary material receiving plates.

[0018] The beneficial effects of adopting the above further solution are simple structure and reasonable design. The use of sealed reinforcement beams can increase the strength of the entire splicing plate and extend its service life.

[0019] Furthermore, the material receiving hopper includes a transition connecting plate, an electric push rod and an electro-hydraulic jaw gate. The transition connecting plate encloses a hopper-shaped structure and is fixedly connected to the two inclined auxiliary material receiving plates; the electro-hydraulic jaw gate is installed at the lower end of the transition connecting plate, and the electric push rod is rotatably connected to the electro-hydraulic jaw gate for opening and closing the electro-hydraulic jaw gate to seal or open the lower end of the transition connecting plate.

[0020] The beneficial effect of adopting the above further scheme is that the transition connecting plate is fixedly installed on the lower part of the inclined auxiliary material receiving plate of the cantilever material receiving plate by bolts, the electro-hydraulic jaw gate is connected to the transition connecting plate by bolts, and an electric push rod is installed on the rear inclined side wall of the electro-hydraulic jaw gate, and the opening and closing of the electro-hydraulic jaw gate is controlled by the telescopic movement of the hydraulic cylinder on the electric push rod.

[0021] Furthermore, the material receiving pipe includes a material receiving pipe body, a material receiving pipe support frame and a dust-proof curtain, the material receiving pipe support frame is fixedly installed on the material receiving hopper; the material receiving pipe body is fixedly installed on the material receiving pipe support frame, and one end of the material receiving pipe body is connected to the discharge port; the dust-proof curtain is fixedly installed on the edge of the other end of the material receiving pipe body.

[0022] The beneficial effect of adopting the above further solution is that the material receiving pipe adopts a welding structure, which is more convenient to assemble; in addition, the dust-proof curtain can effectively prevent dust from being raised when unloading materials, thereby ensuring the cleanliness of the working environment.

[0023] Furthermore, it also includes a maintenance platform, which is fixedly installed next to the material receiving hopper, and the material receiving pipe support frame is fixedly installed on the maintenance platform.

[0024] The beneficial effects of adopting the above further solution are simple structure, reasonable design, and the use of the maintenance platform to facilitate the maintenance of the electric push rod on the receiving hopper and the liner in the receiving pipe.

[0025] The present invention also relates to a method for using the above-mentioned cantilever return belt drop automatic recovery device for bulk cargo conveying equipment, comprising the following specific steps: The cantilever receiving plate is driven by the ship loader to flip downward to a horizontal state to recover materials. When the materials on the cantilever receiving plate accumulate to a certain amount, it can be driven by the ship loader to flip upward to an inclined state so that the recovered materials on it fall into the receiving hopper.

[0026] The beneficial effect of adopting the above-mentioned further scheme is that the present invention also provides a recycling method, which realizes the automatic recovery of the material dropped from the cantilever return belt of the bulk conveying equipment, improves the equipment performance, and reduces the labor of workers; at the same time, it reduces the spillage of the cantilever of the bulk conveying equipment, can effectively protect the environment, and avoids the risk of the boom material falling, reducing safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a structural schematic diagram of the recovery device in the present invention; Figure 2 This is an assembly diagram of the recovery device of the present invention on a ship loader; Figure 3 It is a structural schematic diagram of the cantilever material receiving plate in the present invention; Figure 4 It is a structural schematic diagram of the material receiving baffle in the present invention; Figure 5 It is a structural schematic diagram of the receiving hopper in the present invention; Figure 6 It is a structural schematic diagram of the material receiving pipe in the present invention.

[0028] In the accompanying drawings, the components represented by the reference numerals are listed as follows: 1. Cantilever receiving plate; 2. Receiving baffle; 3. Receiving hopper; 4. Maintenance platform; 5. Receiving pipe; 6. Belt conveyor; 7. Gantry system; 8. Inclined auxiliary receiving plate; 9. Flat-bottomed receiving plate; 10. Sealed reinforcement beam; 11. Receiving baffle support frame; 12. Receiver plate; 13. Enclosure plate; 14. Transition connecting plate; 15. Electric push rod; 16. Electro-hydraulic jaw gate; 17. Receiving pipe body; 18. Receiving pipe support frame; 19. Dust curtain. DETAILED DESCRIPTION

[0029] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.

[0030] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and the like are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", and the like may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0031] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0032] The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0033] Example 1 like Figures 1 to 6 As shown, the present embodiment provides an automatic recovery device for falling materials of a cantilever return belt of a bulk cargo conveying equipment, comprising a cantilever receiving plate 1, a receiving hopper 3 and a receiving pipe 5. The receiving hopper 3 is vertically fixed and has a discharge port at its bottom; the receiving pipe 5 is fixedly installed at the discharge port and is connected with the discharge port; the cantilever receiving plate 1 is installed on one side above the receiving hopper 3, and one end thereof extends to the top of the receiving hopper 3; the cantilever receiving plate 1 is used to connect the cantilever of the ship loader, and it can be flipped downward to a horizontal state driven by the ship loader to recover materials, or it can be flipped upward to an inclined state driven by the ship loader to allow the recovered materials on it to fall into the receiving hopper 3.

[0034] During the recycling process, the cantilever receiving plate 1 is turned downward to a horizontal state under the drive of the ship loader to recycle materials, or it can be turned upward to an inclined state under the drive of the ship loader to allow the recovered materials on it to fall into the receiving hopper 3, which facilitates material recycling and reduces costs.

[0035] This embodiment realizes the automatic recovery of the dropped materials from the cantilever return belt of the bulk cargo conveying equipment, improves the equipment performance and reduces the labor of workers; at the same time, it reduces the spillage of materials from the cantilever of the bulk cargo conveying equipment, can effectively protect the environment, avoids the risk of the boom material falling, and reduces safety hazards.

[0036] Example 2 On the basis of Example 1, this embodiment further includes a material receiving baffle 2 , which is fixedly installed at an angle on the other side above the material receiving hopper 3 .

[0037] The scheme has a simple structure and a reasonable design. The material receiving baffle 2 can be used to receive the accumulated materials that slide down from the self-contained conveyor and the arm to the tail of the arm when the loader's cantilever is raised, and the accumulated fallen materials can be unloaded into the receiving hopper at the bottom when the arm is flat, so as to avoid the accumulated materials spilling on the ground and causing waste.

[0038] Example 3 On the basis of Example 2, in this embodiment, the material receiving baffle 2 includes a material receiving baffle support frame 11, a receiving plate 12 and a surrounding plate 13. The material receiving baffle support frame 11 is fixedly arranged on the other side above the material receiving hopper 3, and its lower side is open; the receiving plate 12 is tilted and fixedly installed in the material receiving baffle support frame 11, and the surrounding plate 13 is fixedly installed on the material receiving baffle support frame 11, which encloses the upper side and left and right sides of the receiving plate 12.

[0039] This solution has a simple structure and a reasonable design. The material receiving baffle 2 is welded from multiple parts and is easy to assemble.

[0040] Based on the above scheme, the above-mentioned material receiving baffle 2 is a welded structure, and its material receiving baffle support frame 11 is made of ordinary carbon steel, and the receiving plate 12 and the enclosure plate 13 are welded with Q345B steel plates respectively, and the material receiving baffle support frame 11 of ordinary carbon steel is welded to the tail of the loader boom.

[0041] In addition, the function of the material receiving baffle 2 is to receive the accumulated materials that slide down from the self-contained conveyor and the arm to the tail of the arm when the cantilever of the ship loader is raised, and to discharge the accumulated fallen materials into the receiving hopper 3 at the bottom when the arm is flat.

[0042] Example 4 On the basis of any one of Embodiments 2 to 3, in this embodiment, the cantilever receiving plate 1 includes a flat-bottomed receiving plate 9 , and the flat-bottomed receiving plate 9 is installed on one side above the receiving hopper 3 .

[0043] This solution has a simple structure and a reasonable design, and utilizes the flat-bottomed material receiving plate 9 to conveniently receive the accumulated materials.

[0044] Example 5 On the basis of Example 4, in this embodiment, the cantilever receiving plate 1 also includes two inclined auxiliary receiving plates 8, which are relatively inclined and fixedly installed on both sides of the flat-bottomed receiving plate 9, and one end of which extends to the two sides above the receiving hopper 3 and fits on both sides of the receiving baffle 2, and is used to connect the cantilever of the ship loader.

[0045] The scheme has a simple structure and a reasonable design. Two inclined auxiliary receiving plates 8 and a flat bottom receiving plate 9 are used to form a trough structure, which is convenient for recovering accumulated materials and avoids the accumulated materials from spilling on the ground and causing waste.

[0046] Example 6 On the basis of Example 5, in this embodiment, the cantilever material receiving plate 1 further includes two sealing reinforcement beams 10, and the two sealing reinforcement beams 10 are relatively vertically fixedly installed on the two inclined auxiliary material receiving plates 8.

[0047] This solution has a simple structure and a reasonable design. The use of the sealing reinforcement beam 10 can increase the strength of the entire material receiving plate and extend its service life.

[0048] The structure of the cantilever receiving plate 1 as an integral assembly is in the form of an inverted trapezoid, which is used to receive the materials spilled along the cantilever belt conveyor of the ship loader and accumulate them for a certain period of time to prevent the materials from being directly spilled on the dock ground.

[0049] Based on the above scheme, the inclined auxiliary material receiving plate 8 is welded to the gantry system 7 at the bottom of the original ship loader beam by cold-bent channel steel, and the groove-shaped flat-bottomed material receiving plate 9 is fixed to the lower part of the inclined auxiliary material receiving plate 8 by bolts, and keeps a certain distance from the return belt of the ship loader cantilever belt conveyor. When the material accumulation or freezing occurs in the material receiving plate, personnel can enter to clear the material. The material receiving plate is welded by the material receiving plate frame and the material receiving liner. The material receiving plate frame is welded with ordinary carbon steel, and the material receiving liner is made of stainless steel.

[0050] In addition, the flat bottom feed plate 9 can be disassembled in sections for easy maintenance or belt replacement, and a sealing reinforcement beam 10 is provided between each two sections of the feed plate. In order to prevent the feed plate from sliding toward objects outside the fender, a safety guardrail is provided at the exit.

[0051] Moreover, one end of the gantry system 7 close to the receiving hopper 3 is rotatably connected to the frame of the ship loader.

[0052] Example 7 On the basis of any one of Examples 5 to 6, in this embodiment, the receiving hopper 3 includes a transition connecting plate 14, an electric push rod 15 and an electro-hydraulic jaw gate 16, the transition connecting plate 14 encloses a hopper-shaped structure and is fixedly connected to the two inclined auxiliary receiving plates 8; the electro-hydraulic jaw gate 16 is installed at the lower end of the transition connecting plate 14, and the electric push rod 15 is rotatably connected to the electro-hydraulic jaw gate 16, for opening and closing the electro-hydraulic jaw gate 16 to seal or open the lower end of the transition connecting plate 14.

[0053] The transition connecting plate 14 is fixedly installed on the lower part of the inclined auxiliary material receiving plate 8 of the cantilever material receiving plate 1 by bolts, and the electro-hydraulic jaw gate 16 is connected to the transition connecting plate 14 by bolts. An electric push rod 15 is installed on the rear inclined side wall of the electro-hydraulic jaw gate 16, and the opening and closing of the electro-hydraulic jaw gate 16 is controlled by the telescopic movement of the hydraulic cylinder on the electric push rod 15.

[0054] When the ship loader is operating normally, the electro-hydraulic jaw gate 16 is in a closed state. After a certain period of time or daily loading operations, the arm of the ship loader is leveled to between 0° and +5° from the horizontal, and the electro-hydraulic jaw gate 16 is opened by operating the button, and the discharge port is connected to the entrance of the receiving pipe 5. The function of the receiving hopper 3 is to collect the accumulated materials falling from the cantilever receiving plate 1 and the receiving baffle 2, and accumulate them in the receiving hopper 3, and unload the accumulated materials into the belt conveyor 6 arranged below according to a certain period or requirement.

[0055] It should be noted that the above-mentioned electro-hydraulic jaw gate 16 adopts the existing technology, which includes two gates, the lower ends of the two gates are rotatably connected to the transition connecting plate 14 respectively, and the upper ends thereof are respectively engaged; the telescopic end of the electric push rod 15 is rotatably connected to the lower end of one of the gates.

[0056] Based on the above scheme, a camera is arranged above the inside of the receiving hopper 3, and the camera is communicatively connected with the controller. The camera is used to monitor the height of the accumulated material in the receiving hopper 3 so as to open the electro-hydraulic jaw gate 16 in time.

[0057] Example 8 On the basis of the above embodiments, in this embodiment, the material receiving pipe 5 includes a material receiving pipe body 17, a material receiving pipe support frame 18 and a dust-proof curtain 19, and the material receiving pipe support frame 18 is fixedly installed on the material receiving hopper 3; the material receiving pipe body 17 is fixedly installed on the material receiving pipe support frame 18, and one end thereof is connected to the discharge port; the dust-proof curtain 19 is fixedly installed on the edge of the other end of the material receiving pipe body 17.

[0058] The material receiving pipe 5 adopts a welding structure, which is more convenient to assemble; in addition, the dust curtain 19 can effectively prevent dust from being raised when unloading materials, thereby ensuring the cleanliness of the working environment.

[0059] Example 9 On the basis of Example 8, this embodiment further includes a maintenance platform 4 , which is fixedly installed beside the receiving hopper 3 , and the receiving pipe support frame 18 is fixedly installed on the maintenance platform 4 .

[0060] The solution has a simple structure and a reasonable design, and the maintenance platform 4 is used to facilitate the maintenance of the electric push rod 15 on the receiving hopper 3 and the lining plate in the receiving pipe 5.

[0061] Preferably, in this embodiment, the maintenance platform 4 is fixedly mounted on the gantry system 7 .

[0062] Example 10 On the basis of the above embodiments, this embodiment further provides a method for using the above-mentioned cantilever return belt drop automatic recovery device of bulk cargo conveying equipment, including the following specific steps: The cantilever receiving plate 1 is turned downward to a horizontal state under the drive of the ship loader to recover materials. When the materials on the cantilever receiving plate 1 accumulate to a certain amount, it can be turned upward to an inclined state under the drive of the ship loader so that the recovered materials on it fall into the receiving hopper 3.

[0063] This embodiment also provides a recycling method, which realizes the automatic recovery of the material dropped from the cantilever return belt of the bulk conveying equipment, improves the equipment performance, and reduces the labor of workers; at the same time, it reduces the spillage of the cantilever of the bulk conveying equipment, can effectively protect the environment, and avoids the risk of the boom material falling, reducing safety hazards.

[0064] The working principle of the present invention is as follows: During the recycling process, the cantilever receiving plate 1 is turned downward to a horizontal state under the drive of the ship loader to recycle the materials, or it can be turned upward to an inclined state under the drive of the ship loader to make the recycled materials fall into the receiving hopper 3, which is convenient for material recycling and reduces costs; When the ship loader is operating normally, the electro-hydraulic jaw gate 16 is in a closed state. After a certain period of time or daily loading operations, the arm of the ship loader is leveled to between 0° and +5° from the horizontal, and the electro-hydraulic jaw gate 16 is opened by operating the button, and the discharge port is connected to the entrance of the receiving pipe 5. The function of the receiving hopper 3 is to collect the accumulated materials falling from the cantilever receiving plate 1 and the receiving baffle 2, and accumulate them in the receiving hopper 3, and unload the accumulated materials into the belt conveyor 6 arranged below according to a certain period or requirement.

[0065] The technical problem to be solved by the present invention is to provide an automatic recovery device and method for the return belt of bulk cargo conveying equipment. The device is composed of a cantilever receiving plate, a receiving baffle, a receiving hopper, a receiving pipe, an inspection platform (guardrail) and an electronic control system. The spilled materials are first collected by the cantilever receiving plate, and then automatically recovered to the belt conveyor below the equipment by the pitching action of the equipment and the gravity of the materials. Finally, the spilled materials are directly transported to the yard or the cabin according to the operation process.

[0066] In addition, the automatic recovery device for return belt material falling of bulk cargo conveying equipment provided by the present invention can be used not only for recovery of ship loader materials, but also for other suitable equipment, such as stacker-reclaimers, etc.

[0067] The beneficial effects of the present invention are: 1. The present invention realizes the automatic recovery of the falling materials of the cantilever return belt of the bulk cargo conveying equipment, improves the equipment performance and reduces the labor of workers; 2. The present invention reduces the spillage of bulk cargo conveying equipment cantilever, which can effectively protect the environment; 3. The present invention avoids the risk of the boom material falling and reduces potential safety hazards.

[0068] It should be noted that all electronic components involved in the present invention adopt the existing technology, and the above-mentioned components are electrically connected to the controller, and the control circuit between the controller and each component is the existing technology.

[0069] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0070] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

[0071] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic recovery device for cantilever return belt of bulk cargo conveying equipment, characterized by: The invention comprises a cantilever receiving plate (1), a receiving hopper (3) and a receiving pipe (5); the receiving hopper (3) is vertically fixed and has a discharge port at its bottom; the receiving pipe (5) is fixedly installed at the discharge port and is connected to the discharge port; the cantilever receiving plate (1) is installed on one side above the receiving hopper (3), and one end of the cantilever receiving plate (1) extends above the receiving hopper (3); the cantilever receiving plate (1) is used to connect to the cantilever of the ship loader, and can be turned down to a horizontal state under the drive of the ship loader to recover materials, or can be turned up to an inclined state under the drive of the ship loader to allow the recovered materials on it to fall into the receiving hopper (3).

2. The automatic material recovery device for the cantilever return belt of bulk cargo conveying equipment according to claim 1 is characterized by: It also comprises a material receiving baffle (2), wherein the material receiving baffle (2) is fixedly installed at an angle on the other side above the material receiving hopper (3).

3. The automatic material recovery device for the cantilever return belt of bulk cargo conveying equipment according to claim 2 is characterized by: The material receiving baffle (2) comprises a material receiving baffle support frame (11), a receiving plate (12) and a surrounding plate (13); the material receiving baffle support frame (11) is fixedly arranged on the other side above the material receiving hopper (3), and its lower side is open; the receiving plate (12) is tilted and fixedly installed in the material receiving baffle support frame (11); the surrounding plate (13) is fixedly installed on the material receiving baffle support frame (11), and it encloses the upper side and left and right sides of the receiving plate (12).

4. The automatic material recovery device for the cantilever return belt of bulk cargo conveying equipment according to claim 2 is characterized by: The cantilever receiving plate (1) comprises a flat-bottomed receiving plate (9), and the flat-bottomed receiving plate (9) is installed on one side above the receiving hopper (3).

5. The automatic material recovery device for the cantilever return belt of bulk cargo conveying equipment according to claim 4 is characterized by: The cantilever receiving plate (1) further comprises two inclined auxiliary receiving plates (8), which are relatively inclined and fixedly mounted on both sides of the flat bottom receiving plate (9), one end of which extends to both sides above the receiving hopper (3) and fits on both sides of the receiving baffle plate (2), and is used to connect the cantilever of the ship loader.

6. The automatic material recovery device for the cantilever return belt of bulk cargo conveying equipment according to claim 5 is characterized by: The cantilever material receiving plate (1) further comprises two sealing reinforcement beams (10), wherein the two sealing reinforcement beams (10) are relatively vertically fixedly mounted on the two inclined auxiliary material receiving plates (8).

7. The automatic material recovery device for the cantilever return belt of bulk cargo conveying equipment according to claim 5 is characterized by: The material receiving hopper (3) comprises a transition connecting plate (14), an electric push rod (15) and an electro-hydraulic jaw gate (16); the transition connecting plate (14) encloses a hopper-shaped structure and is fixedly connected to the two inclined auxiliary material receiving plates (8); the electro-hydraulic jaw gate (16) is installed at the lower end of the transition connecting plate (14); the electric push rod (15) is rotatably connected to the electro-hydraulic jaw gate (16) and is used to open and close the electro-hydraulic jaw gate (16) to seal or open the lower end of the transition connecting plate (14).

8. The automatic material recovery device for the cantilever return belt of bulk cargo conveying equipment according to any one of claims 1 to 7, characterized in that: The material receiving pipe (5) comprises a material receiving pipe body (17), a material receiving pipe support frame (18) and a dust curtain (19); the material receiving pipe support frame (18) is fixedly mounted on the material receiving hopper (3); the material receiving pipe body (17) is fixedly mounted on the material receiving pipe support frame (18), and one end of the material receiving pipe body (17) is connected to the material outlet; the dust curtain (19) is fixedly mounted on the edge of the other end of the material receiving pipe body (17).

9. The automatic material recovery device for the cantilever return belt of bulk cargo conveying equipment according to claim 8 is characterized by: It also includes an inspection platform (4), wherein the inspection platform (4) is fixedly installed beside the receiving hopper (3), and the receiving pipe support frame (18) is fixedly installed on the inspection platform (4).

10. A method using the automatic recovery device for cantilever return belt of bulk cargo conveying equipment according to any one of claims 1 to 9, characterized in that: The specific steps include: The cantilever receiving plate (1) is turned downward to a horizontal state under the drive of the ship loader to recover materials. When a certain amount of materials are accumulated on the cantilever receiving plate (1), it can be turned upward to an inclined state under the drive of the ship loader so that the recovered materials on it fall into the receiving hopper (3).

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