Heavy-duty discharging car for large-width belt conveyor

Abstract

The heavy unloading trolley comprises a belt conveyor rack, a trolley walking track and a trolley frame, upper end belt supporting rollers are evenly arranged on the upper surface of the belt conveyor rack, a conveying belt is arranged between the upper end belt supporting rollers, the upper end belt supporting rollers are groove-shaped supporting rollers, and the trolley walking track and the trolley frame are arranged on the lower surface of the belt conveyor rack. Lower end belt supporting rollers for supporting the lower surface of the conveying belt are evenly hoisted on the belt conveyor rack, the front side and the rear side of the upper surface of the belt conveyor rack are each provided with a trolley walking track, a trolley axle is arranged on the lower surface of the trolley frame, and trolley guide wheels matched with the trolley walking tracks are arranged at the front end and the rear end of the trolley axle. The heavy discharging trolley for the large-width belt conveyor is simple in structure and easy and convenient to operate, the discharging position can be freely adjusted in a large belt conveying mechanism, the discharging effect can be better, and raw materials are prevented from being adhered to the outer side of a belt.

Description

Technical Field

[0001] The invention relates to the technical field of belt conveyors, in particular to a heavy-duty unloading vehicle for a wide belt conveyor. Background Art

[0002] At present, belt conveyors are the main hubs in material transportation. Wide belt conveyors can transport raw materials in large quantities and are widely used in the transportation of powder and block materials, especially coal. When existing wide belt conveyors with large slopes and ultra-long distances transport materials, the output end of the device cannot be adjusted arbitrarily, so the position of the falling materials cannot be adjusted arbitrarily, and the existing devices that can adjust the unloading position only add blocking parts to the conveyor belt to unload the raw materials to the corresponding position, but there will be residues on the upper surface of the belt conveyor and they will still be transported to the end position, so the transportation effect is poor and cannot meet people's needs. Summary of the invention

[0003] The technical problem to be solved by the present invention is to overcome the existing defects and provide a heavy-duty unloading vehicle for a wide belt conveyor. It has a simple structure and is easy to operate. The unloading position can be adjusted arbitrarily in a large belt conveyor mechanism, and the unloading effect is better, which avoids the raw materials from sticking to the outside of the belt, and can effectively solve the problems in the background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a heavy-duty unloading vehicle for a wide belt conveyor, comprising a belt conveyor frame, a trolley travel track and a trolley frame, the upper surface of the belt conveyor frame is evenly provided with upper belt support rollers, a conveyor belt is provided between the upper belt support rollers, the upper belt support rollers are grooved rollers, lower belt support rollers supporting the lower surface of the conveyor belt are evenly hoisted on the belt conveyor frame, a trolley travel track is respectively provided on the front and rear sides of the upper surface of the belt conveyor frame, a trolley axle is provided on the lower surface of the trolley frame, and trolley guide wheels cooperating with the trolley travel track are provided at the front and rear ends of the trolley axle, and a driving A trolley travel drive member that rotates the trolley axle, the trolley frame is a tripod structure, and belt conveyor rollers are evenly arranged on the upper surface of the trolley frame. The upper end strip of the conveyor belt passes around the upper surface of the belt conveyor roller. Three redirecting rollers are arranged on the right side of the trolley frame. The conveyor belt passes around the three redirecting rollers in sequence from top to bottom, and the conveyor belt is folded into a Z-shaped structure by the three redirecting rollers. A raw material guide bin is arranged on the right end of the trolley frame, and the upper end opening of the raw material guide bin is located at the lower end of the upper redirecting roller. Two unloading port switching components are arranged inside the raw material guide bin, and a scraper component for scraping off the residual material on the conveyor belt outside the upper redirecting roller is installed on the trolley frame.

[0005] Furthermore, maintenance stairs are respectively provided at the upper ends of the front and rear sides of the trolley frame, and a maintenance platform is provided at the upper end of the maintenance stairs.

[0006] Furthermore, the trolley travel drive component includes a travel drive motor fixed on the trolley frame, and sprockets are fixed to the output shaft of the travel drive motor and one end of the trolley axle. The two sprockets are driven by a chain. When the travel drive motor is running, the trolley axle can be driven by the transmission of the sprocket and the chain. The rotation of the trolley axle can drive the trolley guide wheel to move along the trolley travel track, thereby driving the trolley frame to move. The movement of the trolley frame can drive the raw material guide bin to move, thereby adjusting the unloading position.

[0007] Furthermore, the raw material guide bin includes a receiving hopper, the lower end of the receiving hopper is connected to the upper opening of the four-way distribution bin, and the two side guide ports of the four-way distribution bin are connected to side guide pipes. When the raw materials need to be guided to the two sides of the belt conveyor frame, the raw materials are guided out through the side guide pipes.

[0008] Furthermore, the feed port switching assembly includes a rotating shaft rotatably connected to the raw material guide bin through a bearing, the rotating shafts on the two feed port switching assemblies are respectively located on both sides of the upper end of the middle feed port of the raw material guide bin, a switching valve plate is fixed on the outer side of the rotating shaft, the switching valve plate is located inside the raw material guide bin, and the outer side of the raw material guide bin is connected to two driving cylinders by installing a hinge seat, the extension and retraction of the two driving cylinders are hinged with ear plates, the two ear plates are fixedly connected to one end of the rotating shaft respectively away from one end of the driving cylinder, the rotating shaft can be driven to rotate by the extension and retraction of the driving cylinder, and the switching valve plate can be driven to rotate by the rotation of the rotating shaft, and the switching valve plates on the two feed port switching assemblies are gathered to the middle, so that the feed port in the middle of the four-way feed bin is closed, and then the feed ports on both sides of the four-way feed bin are opened, otherwise the feed port in the middle of the four-way feed bin is opened, and the feed ports on both sides are closed.

[0009] Furthermore, the scraper assembly includes a support fixed on the trolley frame, the support is provided with a rotatably connected connecting shaft, a scraper is fixed on the outer side of the connecting shaft, the upper end of the scraper is fitted with one side of the conveyor belt, a pressing seat is fixed at one end of the connecting shaft, and a pressing elastic member is provided on the trolley frame for pressing one end of the pressing seat, the pressing seat is pressed downward by the pressing elastic member, and the connecting shaft is driven to rotate when the pressing seat is pressed downward, and the scraper can be driven to rotate by the rotation of the connecting shaft, so that the upper end of the scraper is fitted with the outer side of the conveyor belt, and the residual material remaining on the upper surface of the conveyor belt during the conveying process is scraped off by the scraper.

[0010] Compared with the prior art, the invention has the following beneficial effects: the heavy-duty unloading vehicle for a wide belt conveyor has the following advantages: 1. When the travel drive motor of the present invention is running, the transmission of the sprocket and the chain can drive the trolley axle, and the rotation of the trolley axle can drive the trolley guide wheel to move along the trolley travel track, thereby driving the trolley frame to move, and the movement of the trolley frame can drive the raw material guide bin to move, thereby adjusting the position of the unloading material.

[0011] 2. The present invention can drive the rotating shaft to rotate by driving the oil cylinder to extend and retract, and the rotating shaft can drive the switching valve plate to rotate. After the switching valve plates on the two discharge port switching assemblies are gathered toward the middle, the discharge port in the middle of the four-way distribution bin is closed, and then the discharge ports on both sides of the four-way distribution bin are opened. Conversely, the discharge port in the middle of the four-way distribution bin is opened, and the discharge ports on both sides are closed.

[0012] 3. The present invention presses the pressing seat downward by pressing the elastic member, and the pressing seat drives the connecting shaft to rotate when it is pressed downward. The rotation of the connecting shaft can drive the scraper to rotate, so that the upper end of the scraper is fitted with the outer side of the conveyor belt. When the conveyor belt is conveyed, the residual material remaining on the upper surface is scraped off by the scraper.

[0013] 4. When the raw materials need to be guided to both sides of the belt conveyor frame, the present invention guides the raw materials out through the side guide pipes. The heavy-duty unloading vehicle for the wide belt conveyor has a simple structure and is easy to operate. The unloading position can be adjusted arbitrarily in the large belt conveyor mechanism, and the unloading effect is better, which avoids the raw materials from sticking to the outside of the belt. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 It is a schematic diagram of the overall structure of the present invention; Figure 3 It is a left-side structural schematic diagram of the present invention; Figure 4 This is a schematic diagram of the enlarged structure of location A of the present invention; Figure 5 This is an enlarged structural diagram of B of the present invention; Figure 6 This is a schematic diagram of the structure of the feed port switching assembly of the present invention; Figure 7 This is a schematic diagram of the front structure of the raw material guide bin of the present invention; Figure 8 It is a schematic structural diagram of the raw material guide bin from the right side of the present invention.

[0015] In the figure: 1 belt conveyor frame, 2 trolley travel track, 3 conveyor belt, 4 trolley travel drive member, 41 travel drive motor, 42 sprocket, 43 chain, 5 belt conveyor roller, 6 redirecting roller, 7 raw material guide bin, 71 receiving hopper, 72 four-way distribution bin, 73 side guide pipe, 8 trolley frame, 9 lower end belt support roller, 10 upper end belt support roller, 11 maintenance stairs, 12 unloading port switching assembly, 121 rotating shaft, 122 switching valve plate, 123 driving cylinder, 124 mounting hinge seat, 13 trolley guide wheel, 14 trolley axle, 15 scraper assembly, 151 support, 152 connecting shaft, 153 pressing seat, 154 scraper, 155 pressing elastic member. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0017] See also Figure 1-8 The present invention provides a technical solution: a heavy-duty unloading vehicle for a wide belt conveyor, comprising a belt conveyor frame 1, a trolley running track 2 and a trolley frame 8. The upper surface of the belt conveyor frame 1 is evenly provided with upper belt support rollers 10, and a conveying belt 3 is arranged between the upper belt support rollers 10. The upper belt support rollers 10 are grooved rollers. The belt conveyor frame 1 is evenly hoisted with lower belt support rollers 9 for supporting the lower surface of the conveying belt 3. A trolley running track 2 is respectively arranged on the front and rear sides of the upper surface of the belt conveyor frame 1. A trolley axle 14 is arranged on the lower surface of the trolley frame 8. The front and rear ends of the trolley axle 14 are provided with a trolley guide wheel 13 cooperating with the trolley running track 2. The trolley frame 8 is provided with a trolley wheel for driving a trolley. The trolley travel drive member 4 rotates on the shaft 14, and the trolley frame 8 is a tripod structure. The upper surface of the trolley frame 8 is evenly provided with belt conveyor rollers 5, and the upper end strip of the conveyor belt 3 passes around the upper surface of the belt conveyor roller 5. Three redirecting rollers 6 are arranged on the right side of the trolley frame 8. The conveyor belt 3 passes around the three redirecting rollers 6 from top to bottom in sequence, and the conveyor belt 3 is folded into a Z-shaped structure by the three redirecting rollers 6. A raw material guide bin 7 is arranged on the right end of the trolley frame 8. The upper end opening of the raw material guide bin 7 is located at the lower end of the upper redirecting roller 6. Two unloading port switching components 12 are arranged inside the raw material guide bin 7. A scraper component 15 for scraping off the residual material on the outer side of the conveyor belt 3 on the upper redirecting roller 6 is installed on the trolley frame 8.

[0018] Maintenance stairs 11 are respectively provided at the upper ends of the front and rear sides of the trolley frame 8, and a maintenance platform is provided at the upper end of the maintenance stairs 11.

[0019] The trolley travel drive component 4 includes a travel drive motor 41 fixed on the trolley frame 8, and a sprocket 42 is fixed to the output shaft of the travel drive motor 41 and one end of the trolley axle 14, and the two sprockets 42 are transmitted through a chain 43. When the travel drive motor 41 is running, the trolley axle 14 can be driven by the transmission of the sprocket 42 and the chain 43. The rotation of the trolley axle 14 can drive the trolley guide wheel 13 to move along the trolley travel track 2, thereby driving the trolley frame 8 to move, and the movement of the trolley frame 8 can drive the raw material guide bin 7 to move, so that the position of the unloading can be adjusted.

[0020] The raw material guide bin 7 includes a receiving hopper 71, the lower end of the receiving hopper 71 is connected to the upper end opening of the four-way distribution bin 72, and the two side guide ports of the four-way distribution bin 72 are connected to side guide pipes 73. When the raw materials need to be guided to the two sides of the belt conveyor frame 1, the raw materials are discharged through the side guide pipes 73.

[0021] The material discharge port switching assembly 12 includes a rotating shaft 121 rotatably connected to the raw material guide bin 7 through a bearing. The rotating shafts 121 on the two material discharge port switching assemblies 12 are respectively located on both sides of the upper end of the middle material discharge port of the raw material guide bin 7. A switching valve plate 122 is fixed to the outside of the rotating shaft 121. The switching valve plate 122 is located inside the raw material guide bin 7. The outside of the raw material guide bin 7 is connected to two driving cylinders 123 through a hinge seat 124. The extension and retraction of the two driving cylinders 123 are both hinged with ear plates. The two ear plates are away from the driving cylinders 123. One end of the movable cylinder 123 is fixedly connected to one end of the rotating shaft 121. By driving the cylinder 123 to retract, the rotating shaft 121 can be driven to rotate. The rotation of the rotating shaft 121 can drive the switching valve plate 122 to rotate. After the switching valve plates 122 on the two feed port switching assemblies 12 are gathered to the middle, the feed port in the middle of the four-way feed bin 72 is closed, and then the feed ports on both sides of the four-way feed bin 72 are opened. Conversely, the feed port in the middle of the four-way feed bin 72 is opened, and the feed ports on both sides are closed.

[0022] The scraper assembly 15 includes a support 151 fixed on the trolley frame 8, a connecting shaft 152 is provided on the support 151 for rotational connection, a scraper 154 is fixed on the outer side of the connecting shaft 152, the upper end of the scraper 154 is in contact with one side of the conveyor belt 3, a pressing seat 153 is fixed on one end of the connecting shaft 152, and a pressing elastic member 155 for pressing one end of the pressing seat 153 is provided on the trolley frame 8, and the pressing seat 153 is pressed downward by the pressing elastic member 155, and the pressing seat 153 is pressed downward. When pressed, the connecting shaft 152 is driven to rotate, and the rotation of the connecting shaft 152 can drive the scraper 154 to rotate, so that the upper end of the scraper 154 is fitted with the outer side of the conveyor belt 3. The residual material remaining on the upper surface of the conveyor belt 3 during conveying is scraped off by the scraper 154. The heavy-duty unloading vehicle for the wide belt conveyor has a simple structure and is easy to operate. The unloading position can be adjusted at will in the large belt conveyor mechanism, and the unloading effect is better, which avoids the raw materials sticking to the outer side of the belt.

[0023] When in use: when the conveyor belt 3 is running, the travel drive motor 41 is running, and the transmission of the sprocket 42 and the chain 43 can drive the trolley axle 14, and the rotation of the trolley axle 14 can drive the trolley guide wheel 13 to move along the trolley travel track 2, thereby driving the trolley frame 8 to move, and the movement of the trolley frame 8 can drive the raw material guide bin 7 to move, so that the position of the unloading can be adjusted, and the rotation shaft 121 can be driven to rotate by driving the oil cylinder 123 to extend and retract, and the rotation of the rotation shaft 121 can drive the switching valve plate 122 to rotate, and the switching valve plates 122 on the two unloading port switching components 12 are gathered to the middle, so as to close the unloading port in the middle of the four-way material bin 72. Then the discharge openings on both sides of the four-way distribution bin 72 are opened. When the raw materials need to be guided to both sides of the belt conveyor frame 1, the raw materials are discharged through the side guide pipes 73. Otherwise, the discharge opening in the middle of the four-way distribution bin 72 is opened, and the discharge openings on both sides are closed, and the raw materials are introduced into the raw material guide bin 7. During the unloading process, the pressing seat 153 is pressed downward by the pressing elastic member 155, and the connecting shaft 152 is driven to rotate when the pressing seat 153 is pressed downward. The rotation of the connecting shaft 152 can drive the scraper 154 to rotate, so that the upper end of the scraper 154 is fitted with the outer side of the conveyor belt 3. The residual material remaining on the upper surface of the conveyor belt 3 during the conveying process is scraped off by the scraper 154.

[0024] While the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.

Claims

1. A heavy-duty unloading vehicle for a wide belt conveyor, comprising a belt conveyor frame (1), a trolley running track (2) and a trolley frame (8), characterized in that: The upper surface of the belt conveyor frame (1) is evenly provided with upper belt support rollers (10), and a conveying belt (3) is provided between the upper belt support rollers (10). The upper belt support rollers (10) are grooved rollers. The belt conveyor frame (1) is evenly hoisted with lower belt support rollers (9) for supporting the lower surface of the conveying belt (3). A trolley travel track (2) is respectively provided on the front and rear sides of the upper surface of the belt conveyor frame (1). The lower surface of the trolley frame (8) is provided with a trolley axle (14). The front and rear ends of the trolley axle (14) are provided with trolley guide wheels (13) that cooperate with the trolley travel track (2). The trolley frame (8) is provided with a trolley travel drive member (4) for driving a trolley axle (14) to rotate. The trolley frame (8) is a tripod structure. , belt conveyor rollers (5) are evenly arranged on the upper surface of the trolley frame (8), the upper end strip of the conveyor belt (3) passes around the upper surface of the belt conveyor roller (5), three redirecting rollers (6) are arranged on the right side of the trolley frame (8), the conveyor belt (3) passes around the three redirecting rollers (6) from top to bottom in sequence, and the conveyor belt (3) is folded into a Z-shaped structure by the three redirecting rollers (6), a raw material guide bin (7) is arranged at the right end of the trolley frame (8), the upper end opening of the raw material guide bin (7) is located at the lower end of the upper redirecting roller (6), two unloading port switching components (12) are arranged inside the raw material guide bin (7), and a scraper component (15) is installed on the trolley frame (8) for scraping off the residual material on the conveyor belt (3) outside the upper redirecting roller (6).

2. A heavy-duty unloading vehicle for a wide belt conveyor according to claim 1, characterized in that: Maintenance stairs (11) are respectively provided at the upper ends of the front and rear sides of the trolley frame (8), and a maintenance platform is provided at the upper ends of the maintenance stairs (11).

3. The heavy-duty unloading vehicle for a wide belt conveyor according to claim 1, characterized in that: The trolley travel drive member (4) comprises a travel drive motor (41) fixed on the trolley frame (8), a sprocket (42) is fixed to an output shaft of the travel drive motor (41) and one end of the trolley axle (14), and the two sprockets (42) are driven by a chain (43).

4. The heavy-duty unloading vehicle for a wide belt conveyor according to claim 1, characterized in that: The raw material guide bin (7) comprises a receiving hopper (71), the lower end of the receiving hopper (71) is connected to the upper end opening of the four-way material distribution bin (72), and the two side guide openings of the four-way material distribution bin (72) are connected to side guide pipes (73).

5. The heavy-duty unloading vehicle for a wide belt conveyor according to claim 1, characterized in that: The material discharge port switching assembly (12) comprises a rotating shaft (121) rotatably connected to the raw material guide bin (7) via a bearing. The rotating shafts (121) on the two material discharge port switching assemblies (12) are respectively located on both sides of the upper end of the middle material discharge port of the raw material guide bin (7). A switching valve plate (122) is fixed to the outer side of the rotating shaft (121). The switching valve plate (122) is located inside the raw material guide bin (7). The outer side of the raw material guide bin (7) is connected to two driving cylinders (123) via a mounting hinge seat (124). The extension and retraction of the two driving cylinders (123) are both hinged with ear plates. The ends of the two ear plates away from the driving cylinders (123) are respectively fixedly connected to one end of the rotating shaft (121).

6. The heavy-duty unloading vehicle for a wide belt conveyor according to claim 1, characterized in that: The scraper assembly (15) comprises a support (151) fixed on the trolley frame (8), the support (151) is provided with a rotatably connected connecting shaft (152), a scraper (154) is fixed on the outer side of the connecting shaft (152), the upper end of the scraper (154) is in contact with one side of the conveyor belt (3), a pressing seat (153) is fixed to one end of the connecting shaft (152), and a pressing elastic member (155) is provided on the trolley frame (8) for pressing one end of the pressing seat (153).

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