A self-unloading bucket elevator

Abstract

The utility model discloses a self-unloading bucket type elevator, which belongs to the technical field of elevators, and comprises a frame, a conveying chain is installed on the frame, a bucket is installed on the conveying chain, a bottom plate and a mechanical switch are arranged on the bucket, and a switch dial block is also installed on the frame. When the bucket moves on the conveying chain and moves to the position where the switch dial block is located, the switch dial block will dial the mechanical switch to open the bottom plate, so that the material in the bucket falls to a specified position, and no electric control is required, thereby saving costs. At the same time, since no maintenance is required for the electric equipment, the number of shutdowns is reduced, and the material transportation efficiency is improved, and the problem of relying on electric means to flip the bucket in the prior art, which is high in cost and low in material transportation efficiency is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of elevators, in particular to a self-unloading bucket type elevator. Background Art

[0002] In the manufacturing process, bucket elevators are often used to lift and transport materials. Bucket elevators are used as lifting and transporting devices in the solid waste transportation, waste textile clothing recycling, coal transportation, and mineral production and transportation industries. They are used in the process of lifting and transporting various materials, and they play a role in conveniently and quickly transporting materials from low places to high places. In the prior art, bucket elevators rely on motors to drive various shapes of buckets filled with materials to lift from low places to high places. When the materials reach the top of the silo, they rely on electric means to flip the bucket to achieve the function of unloading. This not only wastes electricity and energy, but also the motor needs maintenance and needs to be stopped for manual adjustment, which affects the efficiency of material transportation.

[0003] For example, the "A Backyard Automatic Loading System and Method" disclosed in the Chinese patent literature, with the announcement number CN112850211A, includes an above-ground operating layer and a foundation operating layer; the above-ground operating layer includes a bucket elevator placed outside the silo body, and a second main conveyor belt conveyor and a discharge trolley placed inside the silo body; the foundation operating layer includes an external discharge hopper and a first main conveyor belt conveyor placed outside the silo body, and an electric-controlled discharge hopper and an under-silo belt conveyor placed inside the silo. The disadvantage of this patent is that the discharge is carried out through an electric-controlled discharge hopper, which increases the cost and reduces the material transportation efficiency. Utility Model Content

[0004] The utility model aims to overcome the problems in the prior art of relying on electric means to flip the hopper, resulting in high cost and low material transportation efficiency, and to provide a self-unloading bucket elevator that can realize automatic unloading without relying on electric drive, thereby reducing costs, reducing the number of shutdowns, and improving material transportation efficiency.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] The utility model discloses a self-unloading bucket type elevator, which comprises a frame, a conveying chain is installed on the frame, a bucket is installed on the conveying chain, a bottom plate and a mechanical switch are arranged on the bucket, and a switch block is also installed on the frame.

[0007] In the present application, when the hopper moves on the conveyor chain and moves to the position of the switch block, the switch block will toggle the mechanical switch to open the bottom plate, thereby allowing the material in the hopper to fall to the specified position. No electric control is required, which saves costs. At the same time, since there is no need to maintain the electric equipment, the number of shutdowns is reduced and the material transportation efficiency is improved.

[0008] Preferably, the hopper is provided with a suspension buckle, through which the hopper is suspended on the conveying chain, the bottom plate is located on the lower side of the hopper when it is in the suspended state, the bottom plate is rotatably connected to the hopper body, and the mechanical switch includes a limit buckle. This structure allows the hopper to be relatively rotatable on the conveying chain, and during the entire transportation process, due to the effect of gravity, the direction of the hopper will not change due to the turning of the conveying chain. At the same time, the limit buckle limits the bottom plate, and once the limit opening is separated from the bottom plate, the bottom plate can rotate relative to the hopper body under the effect of gravity, so that the lower opening of the hopper is opened.

[0009] Preferably, the mechanical switch further comprises a swing rod, one end of which is rotatably connected to the hopper, and the limit buckle is mounted on the swing rod. With this structure, the swing rod can be moved by the switch block, so that the limit buckle is separated from the bottom plate. At the same time, when the swing rod leaves the switch block, the swing rod will be reset due to the effect of gravity.

[0010] Preferably, the suspension buckle includes a telescopic claw, a limiting surface is provided on the upper side of the telescopic claw, and a guiding inclined surface is provided on the lower side of the telescopic claw. With this structure, the telescopic claw can limit the bottom plate above it, but when the bottom plate moves from bottom to top, the telescopic claw can be retracted to pass through the telescopic claw, so as to facilitate the reset of the bottom plate after unloading.

[0011] Preferably, a bottom plate resetting structure is also installed on the frame, and the bottom plate resetting structure resets the bottom plate by pushing it.

[0012] Preferably, the bottom plate reset structure includes an elastic member, through which the elastic member can be elastically contracted in the process of pushing the bottom plate, thereby avoiding impact on the bottom plate and also avoiding interference with the mechanical switch.

[0013] Preferably, a roller is installed at one end of the elastic member, and the friction between the bottom plate reset structure and the bottom plate can be converted into rolling friction through the roller, thereby preventing scratches on the bottom plate.

[0014] Preferably, a material receiving hopper is installed between the switch block and the bottom plate reset structure.

[0015] Preferably, a buffer is installed in the receiving hopper, so as to prevent the bottom plate from rotating too much and colliding with other structures when the bottom plate is opened.

[0016] Therefore, the utility model has the following beneficial effects: (1) automatic unloading is achieved without relying on electric drive, thereby reducing costs, reducing the number of downtimes, and improving material transportation efficiency; (2) the bottom plate can be reset after unloading is completed, thereby realizing circular transportation; (3) in the process of opening and closing the bottom plate, damage or scratches on the bottom plate can be avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0018] Figure 2 It is a partial structural schematic diagram of the first embodiment of the utility model at the unloading position.

[0019] Figure 3 It is a partial structural schematic diagram of the second embodiment of the utility model at the unloading position.

[0020] Figure 4 It is a partial structural schematic diagram of the third embodiment of the utility model at the unloading position.

[0021] In the figure: frame 1 conveyor chain 2 discharge hopper 3 hopper body 4 bottom plate 5 swing rod 6 telescopic claw 7 switch block 8 bottom plate reset structure 9 buffer 10 suspension buckle 11. DETAILED DESCRIPTION

[0022] The present invention will be further described below in conjunction with the accompanying drawings and specific implementation methods.

[0023] Embodiment 1, as Figure 1-2 As shown, a self-unloading hopper 3 type elevator includes a frame 1, and a conveyor chain 2 is installed on the frame 1. The conveyor chain 2 is arranged in a rectangular shape in the frame 1. The conveyor chain 2 includes a lifting part, an upper translation part, a descending part, and a lower translation part. The upper translation part is the unloading position of the conveyor chain 2, and a discharge hopper 3 is installed at the unloading position.

[0024] Several hoppers are installed at intervals on the conveyor chain 2. The hoppers include a hopper body 4 and a bottom plate 5. A suspension buckle 11 is provided on the hopper, and the hopper is rotatably suspended on the conveyor chain 2 through the suspension buckle 11. The hopper is provided with a downward opening for unloading, and a bottom plate 5 is rotatably connected to the opening. The bottom plate 5 is located at the lower side of the hopper. The bottom plate 5 is tilted relative to the horizontal direction, and its angle relative to the horizontal direction is 0-30°. The rotating shaft of the bottom plate 5 and the hopper body 4 is rotatably connected is located at the upper end of the bottom plate 5. Due to the effect of gravity, no matter where the hopper moves to on the conveyor chain 2, the direction of the hopper opening remains unchanged. At the same time, a mechanical switch is installed on the hopper, and the mechanical switch realizes the limit of the bottom plate 5 by abutting against the bottom plate 5. The contact position of the mechanical switch and the bottom plate 5 is located at the lower end of the bottom plate 5. The distance between two adjacent hoppers should be greater than the length of the bottom plate 5 to prevent the bottom plate 5 from hitting the adjacent hopper during the opening process.

[0025] The mechanical switch includes a swing rod 6 and a limit buckle, and the limit buckle includes a telescopic claw 7. The upper end of the swing rod 6 is mounted on the hopper body 4 through a rotating connection, and the telescopic claw 7 is connected to the lower part of the swing rod 6. When the swing rod 6 is in a naturally drooping state under the action of gravity, the end of the telescopic claw 7 is just below one end of the bottom plate 5, thereby limiting the bottom plate 5. A limiting surface is provided on the upper side of the telescopic claw 7, and a guiding inclined surface is provided on the lower side of the telescopic claw 7. Through this structure, the telescopic claw 7 can limit the bottom plate 5 located above it, but when the bottom plate 5 moves from bottom to top, the telescopic claw 7 can be retracted to pass through the telescopic claw 7, so as to facilitate the reset of the bottom plate 5 after the unloading is completed.

[0026] The frame 1 is also provided with a switch block 8 for toggling the swing rod 6, and the switch block 8 is located at the front side of the discharge hopper 3, and the front side refers to the front side of the conveying chain 2 in the conveying direction. In addition, the switch block 8 should be located as close to the discharge hopper 3 as possible, so as to ensure that when the mechanical switch is toggled, all the materials dropped from the hopper opening can enter the discharge hopper 3. The upper end height of the switch block 8 is higher than the lower end height of the swing rod 6 when it droops naturally. Therefore, when the hopper moves on the conveying chain 2 and moves to the position of the switch block 8, the switch block 8 will toggle the swing rod 6 of the mechanical switch to rotate it, so that the telescopic claw 7 leaves the bottom of the bottom plate 5, and then the bottom plate 5 opens downward under the action of gravity, so that the materials in the hopper fall to the specified position, without the need for electric control, saving costs, and at the same time, since there is no need to maintain the electric equipment, the number of shutdowns is reduced, and the material transportation efficiency is improved.

[0027] The frame 1 is also provided with a bottom plate reset structure 9 for driving the bottom plate 5 to reset so that the hopper opening is closed again. The bottom plate reset structure 9 is located at the rear side of the discharge hopper 3, and the rear side refers to the rear side of the conveyor chain 2 in the conveying direction. The bottom plate reset structure 9 includes an elastic member and a roller. The elastic member is a spring. The roller is installed at the upper end of the spring and is used to abut against the bottom plate 5. Due to the presence of the elastic member, a large impact with the bottom plate 5 can be avoided, and the spring can ensure that after the bottom plate 5 is completely pressed into the mechanical switch, it can still be compressed to avoid interference with the mechanical switch. The roller can reduce friction through rolling friction to avoid scratches on the surface of the bottom plate 5. Secondly, it can also prevent the mechanical switch from being toggled again when passing through the guiding inclined surface of the telescopic claw 7.

[0028] Embodiment 2, as Figure 3 As shown, a self-unloading hopper 3 type elevator includes a frame 1, and a conveyor chain 2 is installed on the frame 1. The conveyor chain 2 is arranged in a rectangular shape in the frame 1. The conveyor chain 2 includes a lifting part, an upper translation part, a descending part, and a lower translation part. The upper translation part is the unloading position of the conveyor chain 2, and a discharge hopper 3 is installed at the unloading position.

[0029] Several hoppers are installed at intervals on the conveyor chain 2. The hopper includes a hopper body 4 and a bottom plate 5. A suspension buckle 11 is provided on the hopper. Different from the first embodiment, in this embodiment, the suspension buckle 11 also includes a small section of suspension chain. The hopper is rotatably suspended on the conveyor chain 2 through the suspension buckle 11. The hopper is provided with an opening facing downward for unloading. A bottom plate 5 is rotatably connected to the opening. The bottom plate 5 is located at the lower side of the hopper. The bottom plate 5 is tilted relative to the horizontal direction. The angle relative to the horizontal direction is 0-30°. The rotating shaft of the bottom plate 5 and the hopper body 4 is rotatably connected is located at the upper end of the bottom plate 5. Due to the effect of gravity, no matter where the hopper moves to on the conveyor chain 2, the direction of the hopper opening remains unchanged. At the same time, a mechanical switch is installed on the hopper. The mechanical switch limits the bottom plate 5 by abutting against the bottom plate 5. The contact position of the mechanical switch and the bottom plate 5 is located at the lower end of the bottom plate 5. The distance between two adjacent hoppers should be greater than the length of the bottom plate 5 to prevent the bottom plate 5 from hitting the adjacent hoppers during the opening process.

[0030] The mechanical switch includes a swing rod 6 and a telescopic claw 7. The upper end of the swing rod 6 is mounted on the hopper body 4 through a rotational connection, and the telescopic claw 7 is connected to the lower part of the swing rod 6. When the swing rod 6 is in a naturally drooping state under the action of gravity, the end of the telescopic claw 7 is just below one end of the bottom plate 5, thereby limiting the bottom plate 5. A limiting surface is provided on the upper side of the telescopic claw 7, and a guiding inclined surface is provided on the lower side of the telescopic claw 7. Through this structure, the telescopic claw 7 can limit the bottom plate 5 located above it, but when the bottom plate 5 moves from bottom to top, the telescopic claw 7 can be retracted to pass through the telescopic claw 7, so as to facilitate the reset of the bottom plate 5 after the unloading is completed.

[0031] The frame 1 is also provided with a switch block 8 for toggling the swing rod 6, and the switch block 8 is located at the front side of the discharge hopper 3, and the front side refers to the front side of the conveying chain 2 in the conveying direction. In addition, the switch block 8 should be located as close to the discharge hopper 3 as possible, so as to ensure that when the mechanical switch is toggled, all the materials dropped from the hopper opening can enter the discharge hopper 3. The upper end height of the switch block 8 is higher than the lower end height of the swing rod 6 when it droops naturally. Therefore, when the hopper moves on the conveying chain 2 and moves to the position of the switch block 8, the switch block 8 will toggle the swing rod 6 of the mechanical switch to rotate it, so that the telescopic claw 7 leaves the bottom of the bottom plate 5, and then the bottom plate 5 opens downward under the action of gravity, so that the materials in the hopper fall to the specified position, without the need for electric control, saving costs, and at the same time, since there is no need to maintain the electric equipment, the number of shutdowns is reduced, and the material transportation efficiency is improved.

[0032] The frame 1 is also provided with a bottom plate reset structure 9 for driving the bottom plate 5 to reset so that the hopper opening is closed again. The bottom plate reset structure 9 is located at the rear side of the discharge hopper 3, and the rear side refers to the rear side of the conveying chain 2 in the conveying direction.

[0033] Different from the first embodiment, the bottom plate reset structure 9 of this embodiment includes a fixed rod and a roller, and the roller is installed at the upper end of the fixed rod and is used to abut against the bottom plate 5. Due to the existence of the suspension chain, when the fixed rod of the present application moves to the bottom plate 5 close to the mechanical switch, it will change the angle of the hopper, thereby changing the tilt direction of the bottom plate 5, and further preventing the fixed rod from toggling the mechanical switch when leaving the hopper. The roller can reduce friction through rolling friction to avoid scratching the surface of the bottom plate 5, and can also prevent the mechanical switch from being toggled again when passing through the guide slope of the telescopic claw 7.

[0034] Embodiment three, as Figure 4As shown, a self-unloading hopper 3 type elevator includes a frame 1, and a conveyor chain 2 is installed on the frame 1. The conveyor chain 2 is arranged in a rectangular shape in the frame 1. The conveyor chain 2 includes a lifting part, an upper translation part, a descending part, and a lower translation part. The upper translation part is the unloading position of the conveyor chain 2, and a discharge hopper 3 is installed at the unloading position.

[0035] Several hoppers are installed at intervals on the conveyor chain 2. The hoppers include a hopper body 4 and a bottom plate 5. A suspension buckle 11 is provided on the hopper, and the hopper is rotatably suspended on the conveyor chain 2 through the suspension buckle 11. The hopper is provided with a downward opening for unloading, and a bottom plate 5 is rotatably connected to the opening. The bottom plate 5 is located at the lower side of the hopper. The bottom plate 5 is tilted relative to the horizontal direction, and its relative oblique angle to the horizontal direction is 0-30°. The rotating shaft of the bottom plate 5 and the hopper body 4 is rotatably connected is located at the upper end of the bottom plate 5. Due to the effect of gravity, no matter where the hopper moves to on the conveyor chain 2, the direction of the hopper opening remains unchanged. At the same time, a mechanical switch is installed on the hopper, and the mechanical switch limits the bottom plate 5 by abutting against the bottom plate 5. The contact position between the mechanical switch and the bottom plate 5 is located at the lower end of the bottom plate 5. The difference from the first embodiment is that, in this embodiment, a buffer 10 is installed in the receiving hopper, and the buffer 10 can cushion the bottom plate 5 when it falls, so as to prevent it from flipping upward due to inertia and colliding with adjacent hoppers. Accordingly, in this embodiment, relative to the first embodiment, the distance between adjacent hoppers can be set smaller, thereby increasing the number of hoppers on the conveying chain 2 and further improving the conveying efficiency.

[0036] The mechanical switch includes a swing rod 6 and a telescopic claw 7. The upper end of the swing rod 6 is mounted on the hopper body 4 through a rotational connection, and the telescopic claw 7 is connected to the lower part of the swing rod 6. When the swing rod 6 is in a naturally drooping state under the action of gravity, the end of the telescopic claw 7 is just below one end of the bottom plate 5, thereby limiting the bottom plate 5. A limiting surface is provided on the upper side of the telescopic claw 7, and a guiding inclined surface is provided on the lower side of the telescopic claw 7. Through this structure, the telescopic claw 7 can limit the bottom plate 5 located above it, but when the bottom plate 5 moves from bottom to top, the telescopic claw 7 can be retracted to pass through the telescopic claw 7, so as to facilitate the reset of the bottom plate 5 after the unloading is completed.

[0037] The frame 1 is also provided with a switch block 8 for toggling the swing rod 6, and the switch block 8 is located at the front side of the discharge hopper 3, and the front side refers to the front side of the conveying chain 2 in the conveying direction. In addition, the switch block 8 should be located as close to the discharge hopper 3 as possible, so as to ensure that when the mechanical switch is toggled, all the materials dropped from the hopper opening can enter the discharge hopper 3. The upper end height of the switch block 8 is higher than the lower end height of the swing rod 6 when it droops naturally. Therefore, when the hopper moves on the conveying chain 2 and moves to the position of the switch block 8, the switch block 8 will toggle the swing rod 6 of the mechanical switch to rotate it, so that the telescopic claw 7 leaves the bottom of the bottom plate 5, and then the bottom plate 5 opens downward under the action of gravity, so that the materials in the hopper fall to the specified position, without the need for electric control, saving costs, and at the same time, since there is no need to maintain the electric equipment, the number of shutdowns is reduced, and the material transportation efficiency is improved.

[0038] The frame 1 is also provided with a bottom plate reset structure 9 for driving the bottom plate 5 to reset so that the hopper opening is closed again. The bottom plate reset structure 9 is located at the rear side of the discharge hopper 3, and the rear side refers to the rear side of the conveyor chain 2 in the conveying direction. The bottom plate reset structure 9 includes an elastic member and a roller. The elastic member is a spring. The roller is installed at the upper end of the spring and is used to abut against the bottom plate 5. Due to the presence of the elastic member, a large impact with the bottom plate 5 can be avoided, and the spring can ensure that after the bottom plate 5 is completely pressed into the mechanical switch, it can still be compressed to avoid interference with the mechanical switch. The roller can reduce friction through rolling friction to avoid scratches on the surface of the bottom plate 5. Secondly, it can also prevent the mechanical switch from being toggled again when passing through the guiding inclined surface of the telescopic claw 7.

Claims

1. A self-unloading bucket elevator, characterized in that: The utility model comprises a frame, a conveying chain is installed on the frame, a hopper is installed on the conveying chain, a bottom plate and a mechanical switch are arranged on the hopper, a switch block is also installed on the frame, a hanging buckle is arranged on the hopper, and the hopper is hung on the conveying chain through the hanging buckle.

2. A self-unloading bucket elevator according to claim 1, characterized in that: The bottom plate is located on the lower side of the hopper when it is in a suspended state, the bottom plate is rotatably connected to the hopper body, and the mechanical switch includes a limit buckle.

3. A self-unloading bucket elevator according to claim 2, characterized in that: The mechanical switch also includes a swing rod, one end of which is rotatably connected to the hopper, and the limit buckle is installed on the swing rod.

4. A self-unloading bucket elevator according to claim 2, characterized in that: The suspension buckle comprises a telescopic claw, a limiting surface is arranged on the upper side of the telescopic claw, and a guiding inclined surface is arranged on the lower side of the telescopic claw.

5. A self-unloading bucket elevator according to claim 1, characterized in that: A bottom plate resetting structure is also installed on the frame.

6. A self-unloading bucket elevator according to claim 5, characterized in that: The bottom plate resetting structure includes an elastic member.

7. A self-unloading bucket elevator according to claim 6, characterized in that: A roller is installed at one end of the elastic member.

8. A self-unloading bucket elevator according to any one of claims 1 to 7, characterized in that: A material receiving hopper is installed between the switch block and the bottom plate reset structure.

9. A self-unloading bucket elevator according to claim 8, characterized in that: A buffer is installed in the receiving hopper.

Images