A bucket elevator

Abstract

The application discloses an inner bucket type elevator and relates to the technical field of conveying devices, which comprises a material bag, a conveying belt and a mounting beam. The conveying belt comprises two belts which are synchronously driven and are arranged in parallel on the left and right sides. The mounting beam is provided with a plurality of groups along the conveying direction of the conveying belt and is arranged on the two conveying belts in adjacent intervals. The material bag is provided with a plurality of groups and is mounted on the two adjacent mounting beams. The conveying belt is wound on a driving wheel and a driven wheel to form a loop. The loop comprises a feeding path and a discharging path. When the material bag is in the feeding path, the bag opening faces upward. When the material bag is in the discharging path, the bag opening faces downward. The discharging path is provided with a cleaning mechanism which comprises a cleaning roller group mounted on the upper side of the conveying belt or the material bag. The application designs each hopper as an independent material bag structure. Since the material bag is exposed on the back of the conveying belt, the cleaning roller group can be mounted on the back of the conveying belt, the roller group can directly beat the material bag and the discharging is facilitated.

Description

Technical Field

[0001] This invention relates to the field of conveying device technology, specifically to an internal bucket elevator. Background Technology

[0002] Bucket elevators utilize a series of buckets fixed to a traction chain or conveyor belt to transport bulk materials upward in a vertical or near-vertical direction. They have advantages such as simple structure, low maintenance cost, high conveying efficiency, high lifting height, stable operation, and wide application range.

[0003] Existing elevators typically have individual chambers (either integrated or modular) enclosed on the outside of the conveyor belt to hold materials. This design makes it prone to material spillage during high-speed or steep-angle lifting, and because the material bags are located on the end face of the conveyor belt, the volume of each bag is relatively small.

[0004] Since the hopper is located at the front end of the conveyor belt, if the material cannot be completely discharged due to adhesion in the hopper, the machine needs to be stopped, resulting in low conveying efficiency.

[0005] Another type of elevator currently available is the chain elevator. Its structure consists of conveyor chains on both sides with a hopper installed in the middle. In this type of elevator, the hopper utilizes all the space between the conveyor chains, thus meeting maximum volume requirements. However, its disadvantages include the elevator's heavy weight and high installation cost, limiting its application to short-distance transport. Secondly, the hoppers in this type of elevator are rigid structures, preventing material from being cleaned by compression. Discharging highly viscous goods presents difficulties, thus limiting its application to mineral transport. Summary of the Invention

[0006] The purpose of this invention is to provide an internal bucket elevator to solve the problems mentioned in the background art.

[0007] To solve the above-mentioned technical problems, the present invention provides the following technical solution: an internal bucket elevator, comprising a material bag, a conveyor belt, and an installation beam;

[0008] The conveyor belt consists of two synchronously driven belts, which are arranged parallel to each other on the left and right.

[0009] Several sets of installation beams are set along the conveyor belt conveying direction, and are distributed adjacently at intervals on the two conveyor belts;

[0010] The material bags are set in several groups, and each group is installed on two adjacent sets of mounting beams;

[0011] The conveyor belt is wound around the drive wheel and several driven wheels to form a loop;

[0012] The circuit includes a feeding path and a discharging path. When the bag is in the feeding path, the bag opening faces upward, and when the bag is in the discharging path, the bag opening faces downward.

[0013] The material feeding path is equipped with a cleaning mechanism, which includes a cleaning roller assembly installed on the upper side of the conveyor belt or the material bag, and a support roller assembly installed on the lower side of the conveyor belt.

[0014] Preferably, the upper edge of the side panel has a pleated skirt structure, which can be folded along the conveying direction of the conveyor belt.

[0015] Preferably, a folded side plate is provided below the pleated skirt structure. The folded side plate extends along the conveyor belt conveying direction and is folded perpendicular to that direction.

[0016] Preferably, the mounting beam has a triangular prism structure, with mounting holes at both ends for connection to the conveyor belt, and a mounting position in the middle for fixed connection to the front and rear ends of the main enclosure of the material bag.

[0017] Preferably, the front end of the side panel is provided with a snap-fit ​​part, and the mounting beam is provided with a snap-fit ​​groove that matches the snap-fit ​​part.

[0018] Preferably, a protruding post is provided on the front wall of the snap-fit ​​groove, and a through groove is provided at the corresponding position of the side panel;

[0019] The snap-fit ​​groove has a first bending section and a second bending section on both sides of the protrusion. The bottom middle section of the snap-fit ​​groove is an outwardly protruding arc-shaped section, and the end of the arc-shaped section is connected to a straight section.

[0020] The feeding path is set between the drive wheel and the first driven wheel. The driven wheel includes the first driven wheel and the second driven wheel. The conveyor belt in the feeding path forms an angle of 30°-50° with the horizontal direction.

[0021] The cleaning roller assembly includes a first cleaning roller and a second cleaning roller, with the first cleaning roller located at the front end of the second cleaning roller in the return running direction of the conveyor belt;

[0022] The second cleaning roller has an I-shaped structure with beaters at both ends for contact with the conveyor belt, and a connecting shaft in the middle for connecting the two beaters, and the connecting shaft is used to beat the material bag.

[0023] The first cleaning roller has a tapping wheel only in the middle for tapping the material bag.

[0024] Compared with the prior art, the beneficial effects of the present invention are:

[0025] This invention designs each hopper as an independent material bag structure, splitting the conveyor belt into two parts, which are installed on both sides of the material bag to provide lifting force. That is, each material bag is located in the middle of the conveyor belt and independently undertakes the function of containing materials. Under the action of its own weight, the material bag can remain stable during transportation, preventing material spillage. At the same time, compared with the traditional structure, the material holding space is expanded.

[0026] The conveyor belts are located on both sides, and the material bags are located in the middle, forming the "bucket" structure defined in this application. Since the material bags are exposed on the back of the conveyor belt, cleaning roller sets can be installed on the back of the conveyor belt during material discharge. The roller sets can directly beat the material bags to facilitate material discharge. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0028] Figure 2 This is a schematic diagram of the cleaning roller assembly structure of the present invention;

[0029] Figure 3 This is a schematic diagram of the material bag structure of the present invention;

[0030] Figure 4 This is a schematic diagram of the connection structure between the material bag and the mounting beam of the present invention;

[0031] Figure 5 for Figure 3 A schematic diagram of the horizontal top view;

[0032] Figure 6 for Figure 5 Schematic diagram of the cross-sectional structure at point AA;

[0033] Figure 7 for Figure 6 Enlarged view of point A in the middle;

[0034] Figure 8 A schematic diagram of the installation beam structure;

[0035] Figure 9 This is a schematic diagram of the side panel structure;

[0036] Figure 10 This is a schematic diagram of the cross-sectional structure of the side panel.

[0037] In the diagram: 1. Material bag; 11. Main enclosure plate; 110. Positioning block; 12. Side enclosure plate; 121. Pleated skirt structure; 122. Folded side plate; 123. Through groove; 124. Snap-fit ​​part; 2. Mounting beam; 21. Mounting hole; 22. Mounting position; 23. Snap-fit ​​groove; 231. First bending section; 232. Protruding column; 233. Second bending section; 234. Straight section; 235. Arc section; 3. Conveyor belt; 4. First cleaning roller; 5. Second cleaning roller; 6. Connecting shaft; 7. Second driven wheel; 8. Drive wheel; 9. First driven wheel; 10. First support roller; 101. Second support roller. Detailed Implementation

[0038] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0039] Please see Figures 3 to 4 As shown, an internal bucket elevator includes a material bag 1, a conveyor belt 3, and an installation beam 2;

[0040] The conveyor belt 3 includes two synchronously driven belts, which are arranged parallel to each other to the left and right; the mounting beams 2 are arranged in several groups along the conveying direction of the conveyor belts, and are distributed adjacently at intervals on the two conveyor belts 3.

[0041] The material bags 1 are provided in several sets, and each set is installed on two adjacent sets of mounting beams 2.

[0042] Reference Figure 1 as well as Figure 2 As shown, the conveyor belt 3 is located on both sides and is used to transmit driving force. Individual material bags 1 are arranged sequentially in the middle position according to the extension direction of the conveyor belt 3. The mounting beam 2 serves to install and fix the material bags 1 to the conveyor belt.

[0043] Continue to refer to Figure 3 As shown, the material bag 1 has an open end structure and includes a main enclosure 11 and side enclosures 12. The main enclosure 11 forms the front end, bottom end, and rear end of the material bag 1. The side enclosures 12 are located on both sides of the main enclosure 11, forming the two sides of the material bag 1. The main enclosure 11 and the side enclosures 12 together enclose a bag cavity for containing materials.

[0044] Both the main enclosure panel 11 and the side enclosure panels 12 are structures with a flexible material covering the skeleton. The built-in skeleton provides overall strength support. The flexible material is rubber or polyurethane, which has good elasticity and wear resistance.

[0045] In addition, continue to refer to Figures 3-6 As shown, the space enclosed by the main enclosure panel 11 has an overall flattened circular structure (from...). Figure 6 From a cross-sectional perspective, it can be considered a partially elongated oval structure, especially the bottom of the bag cavity, which is arc-shaped. This structure allows for a larger capacity, and the bottom structure can distribute the pressure of the material, maintaining structural stability. It also facilitates smoother material feeding.

[0046] Reference Figure 9 as well as Figure 10 As shown, the upper edge of the side panel 12 is a pleated skirt structure 121, which can be folded along the conveying direction of the conveyor belt. Below the pleated skirt structure 121, a folded side panel 122 is provided, extending along the conveying direction of the conveyor belt and folded perpendicular to that direction. The pleated skirt structure 121 at the upper edge allows for a certain degree of stretching and deformation at the opening of the bag 1, facilitating tipping or feeding. The lower, lateral folded side panel 122 maintains the basic shape of the bag 1, preventing excessive deformation and avoiding material extrusion during normal conveying.

[0047] Continue to refer to Figure 8 As shown, the mounting beam 2 has a triangular prism structure. The two ends of the mounting beam 2 are provided with mounting holes 21 for connecting with the conveyor belt. The middle of the mounting beam 2 is provided with a mounting position 22, which is fixedly connected to the front and rear end faces of the main enclosure plate 11 of the material bag 1.

[0048] Reference Figure 8 as well as Figure 5 As shown, the front end of the side panel 12 is provided with a snap-fit ​​part 124, and the mounting beam 2 is provided with a snap-fit ​​groove 23 that matches the snap-fit ​​part 124. The snap-fit ​​part 124 is a C-shaped snap-fit ​​structure with a larger inner part and a smaller outer part on the side panel 12.

[0049] Reference Figure 7 as well as Figure 8 As shown, a protruding post 232 is provided on the front wall of the snap-fit ​​groove 23, and a through groove 123 is provided at the corresponding position of the side panel 12.

[0050] The snap-fit ​​groove 23 is provided with a first bending section 231 and a second bending section 233 on both sides of the protrusion 232. The bottom middle section of the snap-fit ​​groove 23 is an outwardly protruding arc-shaped section 235, and the end of the arc-shaped section 235 is connected to a straight section 234.

[0051] As shown in the figure, the two bent sections and the arc section 235 can increase the contact surface between the side panel 12 and the mounting beam 2, preventing it from being pulled apart by the weight of the material. At the same time, the arc section 235 at the bottom acts as a transition, ensuring stable engagement even when the side panel 12 deforms.

[0052] It is worth mentioning that the snap-fit ​​structure designed here serves two main purposes. First, the side panels 12 extend from the inside of the two mounting beams 2, while the front end of the main panel 11 connects to the mounting beams 2 from the outside. Therefore, the front sidewalls of all side panels 12 must pass through the mounting beams 2 and be securely connected to the main panel 11 to avoid gaps. Second, the snap-fit ​​structure allows for rapid installation. Furthermore, the flexible material combined with the specially designed snap-fit ​​structure ensures a good seal while maintaining a stable connection. It also avoids using bolts or other fasteners on the inside because the mounting surface between the side panels 12 and the mounting beams 2 is relatively small. This differs from the structure of the main panel 11. (Refer to...) Figures 1-2 As shown, the fixing surface between the main enclosure panel 11 and the mounting beam is relatively large, so multiple bolts are used for fixing, which can effectively distribute stress and ensure stable installation. However, the side enclosure panel 12 and the mounting beam 2 do not have this advantage, so a snap-fit ​​structure is more suitable. Furthermore, because the mounting surface between the side enclosure panel 12 and the mounting beam 2 is relatively small, if bolts are used for fixing, when the side enclosure panel 12 is compressed, the force will be transferred to the bolt fixing points, making it prone to tearing and breakage. The snap-fit ​​structure, on the other hand, distributes the force across the entire C-shaped snap-fit ​​area, thus preventing tearing and breakage.

[0053] Finally refer to Figure 4 As shown, positioning blocks 110 are provided on both sides of the connection between the main enclosure panel 11 and the side enclosure panel 12, and the positioning blocks 110 are fixedly connected to the mounting beam 2. At the connection between the side enclosure panel 12 and the main enclosure panel 11, there is a certain lever arm, and adding a positioning block 110 on the side can maintain the stability of the connection.

[0054] Overall structure of the hoist (refer to) Figures 1-2 As shown, the conveyor belt 3 is wound around the drive wheel 8 and several driven wheels to form a loop; refer to Figure 1 The driven wheels include a first driven wheel 9 and a second driven wheel 7. The two driven wheels are positioned in front of and behind the drive wheel, and cooperate to change the direction of the conveyor belt 3.

[0055] The circuit includes a feeding path and a discharging path. When bag 1 is in the feeding path, the bag opening faces upwards; when bag 1 is in the discharging path, the bag opening faces downwards. Figure 1 The material feeding path is set between the drive wheel 8 and the first driven wheel 9, and the conveyor belt in the feeding path forms an angle of 30°-50° with the horizontal direction. As shown in the figure, the material bag 1 in the feeding area is in a non-vertical tilted state.

[0056] The material feeding path is equipped with a cleaning mechanism, which includes a cleaning roller assembly installed on the upper side of the conveyor belt 3 or the material bag 1, and a support roller assembly installed on the lower side of the conveyor belt 3. (Refer to...) Figure 2As shown, the cleaning roller assembly includes a first cleaning roller 4 and a second cleaning roller 5, which are spaced apart. Figure 1 As shown, the first cleaning roller 4 is located on the side of the second cleaning roller 5 facing the conveying direction;

[0057] The second cleaning roller 5 has an I-shaped structure with beating wheels at both ends for contacting the conveyor belt 3, and a connecting shaft 6 in the middle for connecting the two beating wheels, and the connecting shaft 6 is used to beat the material bag 1; the first cleaning roller 4 only has a beating wheel in the middle for beating the material bag 1.

[0058] When the conveyor belt 3 delivers material from the drive wheel 8, the material first falls under gravity and then enters the cleaning roller assembly. The second cleaning roller 5 slightly presses down on both ends of the conveyor belt 3 to adjust the tension. At this time, the connecting shaft 6 initially taps the material bag 1. Due to the folded side plates 122 and the pleated skirt structure 121 of the material bag 1, the material bag 1 deforms, tapping the internal material and causing it to separate from the inner wall of the material bag 1. Then, the first cleaning roller 4 taps it again, causing repeated vibration to ensure the material falls. The tapping amplitude of the first cleaning roller 4 is greater than the tapping amplitude of the connecting shaft 6 on the material bag 1.

[0059] The support roller assembly includes a first support roller 10 and a second support roller 101, both of which are supported at the bottom of the conveyor belt 3. A first cleaning roller 4 and a second cleaning roller 5 are located in the area between the first support roller 10 and the second support roller 101. The support roller assembly is mainly used to adjust the tension of the conveyor belt 3 and prevent the conveyor belt from deviating during cleaning.

[0060] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An internal bucket elevator, comprising a material bag (1), a conveyor belt (3), and a mounting beam (2), characterized in that: The conveyor belt (3) includes two synchronously driven belts, which are arranged parallel to each other on the left and right sides; Several sets of installation beams (2) are set along the conveying direction of the conveyor belt (3), and are distributed adjacently at intervals on the two conveyor belts (3); The material bag (1) is provided in several groups, and is installed on two adjacent sets of mounting beams (2). The material bag (1) is made of flexible material. The conveyor belt (3) is wound around the drive wheel (8) and several driven wheels to form a loop; The circuit includes a feeding path and a discharging path. When the bag (1) is in the feeding path, the bag opening faces upward. When the bag (1) is in the discharging path, the bag opening faces downward. The feeding path is equipped with a cleaning mechanism, which includes a cleaning roller group installed on the upper side of the conveyor belt (3) or the material bag (1) and a support roller group installed on the lower side of the conveyor belt (3). The cleaning roller group includes a first cleaning roller (4) and a second cleaning roller (5), which are spaced apart. The second cleaning roller (5) has an I-shaped structure, with slapping wheels at both ends for contacting the conveyor belt (3), and a connecting shaft (6) in the middle for connecting the two slapping wheels. The connecting shaft (6) is used to slap the material bag (1). The first cleaning roller (4) has slapping wheels only in the middle for slapping the material bag (1).

2. The internal bucket elevator according to claim 1, characterized in that: The bag (1) has an open end structure and includes a main side panel (11) and a side panel (12). Among them, the main enclosure (11) forms the front end, bottom end and rear end of the bag (1); The side panels (12) are located on both sides of the main panel (11), forming the two sides of the material bag (1).

3. The internal bucket elevator according to claim 2, characterized in that: The upper edge of the side panel (12) is a pleated skirt structure (121), which can be folded along the conveying direction of the conveyor belt (3).

4. The internal bucket elevator according to claim 3, characterized in that: A folded side plate (122) is provided below the pleated skirt structure (121). The folded side plate (122) extends along the conveying direction of the conveyor belt (3) and is folded perpendicular to that direction.

5. The internal bucket elevator according to claim 4, characterized in that: The mounting beam (2) has a triangular prism structure. The two ends of the mounting beam (2) are provided with mounting holes (21) for connecting with the conveyor belt (3). The middle part of the mounting beam (2) is provided with mounting position (22) for fixed connection with the front and rear end faces of the main enclosure plate (11) of the material bag (1).

6. The internal bucket elevator according to claim 5, characterized in that: The front end of the side panel (12) is provided with a snap-fit ​​part (124), and the mounting beam (2) is provided with a snap-fit ​​groove (23) that matches the snap-fit ​​part (124).

7. The internal bucket elevator according to claim 6, characterized in that: A protruding post (232) is provided on the front end groove wall of the snap-fit ​​groove (23), and a through groove (123) is provided at the corresponding position of the side panel (12). The snap-fit ​​groove (23) has a first bent section (231) and a second bent section (233) on both sides of the protrusion (232). The bottom middle section of the snap-fit ​​groove (23) is an outwardly protruding arc section (235), and the end of the arc section (235) is connected to a straight section (234).

8. The internal bucket elevator according to claim 1, characterized in that: The driven wheels include a first driven wheel (9) and a second driven wheel (7). The feeding path is set between the drive wheel (8) and the first driven wheel (9). The conveyor belt (3) in the feeding path forms an angle of 30°-50° with the horizontal direction.

9. The internal bucket elevator according to claim 1, characterized in that: The support roller group includes a first support roller (10) and a second support roller (101). Both the first support roller (10) and the second support roller (101) are supported on the bottom of the conveyor belt (3). The first cleaning roller (4) and the second cleaning roller (5) of the cleaning roller group are located in the area between the first support roller (10) and the second support roller (101).

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