A high-efficiency double-rake scraping device suitable for a stacker-reclaimer

Abstract

The utility model discloses a kind of high-efficiency double material rake scraping devices suitable for stacker-reclaimer, belong to material rake technical field. Including raking frame, a plurality of first raking rods are fixedly connected on raking frame, the side of raking frame away from first raking rod is provided with several raking parts, raking part includes two groups of fixed seats fixedly arranged on raking frame, each group of fixed seat includes two oppositely arranged fixed blocks, the utility model can improve the raking efficiency of material stacking by first raking rod and second raking rod simultaneously pushing and shoving material, to improve the scraping efficiency and reliability of stacker-reclaimer, and in the process of conveying second raking rod using chain, second raking rod is driven to scrape and push material, when processing material with certain viscosity, material raking effect is better, to increase the practicality of high-efficiency double material rake scraping device suitable for stacker-reclaimer.

Description

Technical Field

[0001] This utility model relates to a high-efficiency double rake scraping device suitable for stacker-reclaimers, belonging to the field of rake technology. Background Technology

[0002] Scraper reclaimers are key equipment in bulk material storage and transportation systems, and are widely used in ports, power plants, mines and other places. Traditional stacker reclaimers often use a single rake structure for their scraping device. The rake device usually adopts a fixed rake frame design, with multiple rake rods welded or bolted on the rake frame. During operation, the scraper reclaimer drives the entire rake frame to move, and the insertion and pushing action of the rake rods loosens the stockpiled material, creating conditions for subsequent scraper reclaiming.

[0003] However, when traditional rake devices process materials with a certain degree of stickiness, the material's flowability is relatively weak. Therefore, simply using the insertion and pushing action of the rake rod to loosen the material pile is not very effective in loosening the material. This can easily lead to incomplete rakeing, resulting in uneven material accumulation and reduced rakeing efficiency.

[0004] Therefore, a new solution is needed to address this problem. Utility Model Content

[0005] The technical problem to be solved by this utility model is to provide a high-efficiency double-rake scraping device suitable for stacker-reclaimers. It solves the problem that the traditional rake device in the prior art has a weak loosening effect on materials with a certain degree of stickiness, which easily leads to incomplete rakeing, resulting in uneven material accumulation and reduced rakeing effect.

[0006] The technical problem to be solved by this utility model is achieved by the following technical solution: A high-efficiency double-rake scraping device suitable for stacker-reclaimers includes a rake frame, a plurality of first rake rods fixedly connected to the rake frame, a plurality of rake sections arranged on the side of the rake frame away from the first rake rods, and the rake section includes two sets of fixed seats fixedly arranged side by side on the rake frame, each set of fixed seats including two fixed blocks arranged opposite each other, and a positioning shaft and a support shaft respectively provided on the two sets of fixed seats and rotatably connected to the fixed blocks, and two sprockets fixedly connected to both the positioning shaft and the support shaft, and a chain drivingly connecting the two sprockets; a plurality of second rake rods are provided on the rake section, and an installation mechanism connecting the second rake rods to the sprockets is fixedly connected to the chain, and a plurality of installation mechanisms are arranged at equal intervals along the running direction of the chain;

[0007] A drive mechanism is provided on the fixed block, which is used to drive the support shaft to rotate.

[0008] By adopting the above technical solution, when in use, the drive mechanism is started to drive the support shaft to rotate. The rotation of the support shaft synchronously drives the sprocket fixed on the support shaft to rotate. Under the transmission action of the chain, the sprocket on the support shaft synchronously drives the sprocket on the positioning shaft to rotate, thereby driving the two chains to transmit at the same time, and then driving the mounting mechanism set on the chain to convey. Because the second rake rod is set on the mounting mechanism, the chain synchronously drives the second rake rod to move with the transmission of the chain. During the conveying process, the second rake rod can scrape the material, thereby realizing the rake work of the stockpile.

[0009] The present invention is further configured such that: the driving mechanism includes a motor fixedly connected to the fixed block, the rotation output shaft of the motor is poweredly connected to one end of the support shaft, a protective shell is fixedly connected to the fixed block, and the motor is located inside the protective shell.

[0010] By adopting the above technical solution, the starter motor can drive the support shaft fixed to it to rotate, thereby driving the two chains to transmit the second rake rod at the same time.

[0011] The present invention is further configured as follows: the installation mechanism includes a positioning block, the positioning block is fixedly installed on two chains, a positioning groove is opened through the positioning block, a plurality of limiting grooves are opened on the bottom wall of the positioning groove, a limiting block is fixedly connected to the end of the second rake rod and slidably connected to the limiting groove, a sliding groove is opened on the positioning block and communicates with the inside of the positioning groove, the limiting block is slidably connected to the sliding groove, the limiting groove is aligned with the sliding groove, a support block is slidably connected in the positioning groove, a fixing groove is opened through the support block and slidably connected to the second rake rod, and a disassembly mechanism is provided on the positioning block;

[0012] The disassembly mechanism includes a fixing hole through the positioning block, a connecting groove through the support block communicating with the inside of the fixing groove, and a bolt on the positioning block, the end of the bolt slidingly extending out of one side of the positioning block through the fixing hole and the connecting groove.

[0013] By adopting the above technical solution, the bolts are fixed to the positioning block through the fixing holes and connecting grooves, thereby fixing the support block and preventing it from sliding in the positioning groove. This prevents the support block from being pulled out of the positioning groove. Because "the surface of the support block near the chain is slidably connected to the surface of the limiting block away from the chain," when the support block slides into the positioning groove, it fixes the limiting block, preventing it from being pulled out of the limiting groove. This fixes the second rake rod to the positioning block, thus achieving the installation of the second rake rod. Installation is convenient and quick. When the second rake rod needs to be replaced, the bolts can be removed from the fixing holes, making disassembly convenient and flexible. Multiple second rake rods can be installed, fixed, and disassembled simultaneously, thereby improving the maintenance efficiency of the second rake rod and ultimately improving the maintenance efficiency of the high-efficiency double-rake scraping device.

[0014] In use, the support frame is installed on the scraper reclaimer, thereby realizing the synchronous installation of the rake frame on the scraper reclaimer. The scraper reclaimer is existing publicly available technology, and the method of installing the support frame on the scraper reclaimer is also existing technology, which will not be described in detail here. In traditional use, the rake frame is usually tilted to insert the first rake rod on the rake frame into the stockpile. Then, the scraper reclaimer drives the rake frame to move, and the first rake rod pushes the stockpile to loosen the material, so as to facilitate the scraping of the scraper reclaimer's scraper.

[0015] In this solution, after the motor is started, two chains simultaneously convey the positioning block, thereby driving the second rake rod installed on the positioning block to move synchronously. As the second rake rod moves with the chain, the end of the second rake rod outside the positioning block inserts into the material. As the second rake rod is conveyed, it scrapes and loosens the stacked material, thus achieving the rake work. The simultaneous pushing and loosening of the material by the first and second rake rods improves the rake efficiency of the stack, thereby enhancing the scraping efficiency and reliability of the stacker-reclaimer. Furthermore, the scraping of the material by the second rake rod driven by the chain during its conveying process is particularly effective when dealing with materials with a certain degree of stickiness, thus increasing the practicality of the high-efficiency dual-rake scraping device suitable for stacker-reclaimers.

[0016] The present invention is further configured such that: a fixing plate is fixedly installed on the rake frame, and a scraping block is fixedly connected to the side of the fixing plate away from the rake frame. A cleaning groove is opened through the scraping block, and the cleaning groove is aligned with the second rake rod.

[0017] By adopting the above technical solution, when the second rake bar located on the lower side moves along the positioning shaft toward the support shaft, it is inserted into the cleaning groove when it is conveyed by the chain. With the cooperation of the scraping block and the cleaning groove, the scraping block scrapes off the material adhering to the second rake bar, thereby cleaning the second rake bar and preventing the material adhering to the second rake bar from affecting the subsequent rake effect. This increases the practicality of the high-efficiency double rake scraping device suitable for stacker-reclaimers.

[0018] The present invention is further configured such that: a support frame is provided on the side of the rake frame away from the first rake rod, and multiple connecting rods are fixedly connected between the support frame and the rake frame.

[0019] The beneficial effects of this utility model are: the first and second rake rods push and pull the material simultaneously, which can improve the rake efficiency of the stack, thereby improving the scraping efficiency and reliability of the stacker-reclaimer. Furthermore, the second rake rod is driven to scrape the material during the conveying process using the chain. This can improve the rake effect when dealing with materials with a certain degree of stickiness, thereby increasing the practicality of the high-efficiency dual-rake scraping device suitable for stacker-reclaimers. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the positioning shaft structure of this utility model;

[0022] Figure 3 This is a schematic diagram of the support frame structure of this utility model;

[0023] Figure 4 This is a schematic diagram of the rake frame structure of this utility model;

[0024] Figure 5 This is a schematic diagram of the support block structure of this utility model;

[0025] Figure 6 This is a vertical cross-sectional view of the positioning block of this utility model.

[0026] In the picture:

[0027] 1. Rake frame; 2. Support frame; 3. Connecting rod; 4. First rake rod; 5. Fixing block; 6. Positioning shaft; 7. Support shaft; 8. Chain; 9. Positioning block; 10. Second rake rod; 11. Positioning groove; 12. Limiting block; 13. Limiting groove; 14. Slide groove; 15. Fixing hole; 16. Bolt; 17. Connecting groove; 18. Fixing groove; 19. Support block; 20. Sprocket; 21. Motor; 22. Fixing plate; 23. Scraping block; 24. Cleaning groove; 25. Protective shell. Detailed Implementation

[0028] To facilitate a clear understanding of the technical means, creative features, objectives, and effects of this utility model, the following details... Figure 1-6 As shown, this utility model is further illustrated.

[0029] like Figure 1-6As shown, this utility model is a high-efficiency dual-rake scraping device suitable for stacker-reclaimers, including a rake frame 1. Multiple first rake rods 4 are fixedly connected to the rake frame 1. Several rake sections are arranged on the side of the rake frame 1 away from the first rake rods 4. Each rake section includes two sets of fixed seats fixedly arranged side by side on the rake frame 1. Each set of fixed seats includes two fixed blocks 5 arranged opposite each other. The two sets of fixed seats are respectively provided with a positioning shaft 6 and a support shaft 7 rotatably connected to the fixed blocks 5. Two sprockets 20 are fixedly connected to both the positioning shaft 6 and the support shaft 7. A chain 8 is drivingly connected between the two sprockets 20. Multiple second rake rods 10 are arranged on the rake section. An installation mechanism connecting the second rake rods 10 to the sprockets 20 is fixedly connected to the chain 8. Several installation mechanisms are arranged at equal intervals along the running direction of the chain 8. A driving mechanism is provided on the fixed block 5. The driving mechanism is used to drive the support shaft 7 to rotate.

[0030] In use, the drive mechanism is activated to rotate the support shaft 7. The rotation of the support shaft 7 synchronously drives the sprocket 20 fixed on the support shaft 7 to rotate. Under the transmission action of the chain 8, the sprocket 20 on the support shaft 7 synchronously drives the sprocket 20 on the positioning shaft 6 to rotate, thereby driving the two chains 8 to transmit at the same time, and then driving the mounting mechanism set on the chain 8 to convey. Because the second rake rod 10 is set on the mounting mechanism, the chain 8 synchronously drives the second rake rod 10 to move with the transmission of the chain 8. During the conveying process, the second rake rod 10 can scrape the material, thereby realizing the rake work of the stockpile.

[0031] like Figure 1-6 As shown, the drive mechanism includes a motor 21 fixedly connected to the fixed block 5. The rotation output shaft of the motor 21 is poweredly connected to one end of the support shaft 7. A protective shell 25 is fixedly connected to the fixed block 5. The protective shell 25 covers the motor 21 and provides protection for the motor 21.

[0032] The starter motor 21 can drive the support shaft 7 fixed thereto to rotate, thereby driving the two chains 8 to simultaneously transmit the material to the second rake rod 10.

[0033] like Figure 1-6As shown, the installation mechanism includes a positioning block 9, which is fixedly mounted on two chains 8. The chains 8 can be double-pitch chains, bent-plate chains, etc. These chains can fix the positioning block 9 and drive its transmission. A sprocket 20 is adapted to the chain 8. The rotation direction of the chain 8 causes the positioning block 9 located on the lower side to move towards the support shaft 7 from the positioning shaft 6. A positioning groove 11 is formed through the positioning block 9, and multiple limiting grooves 13 are formed on the bottom wall of the positioning groove 11. The end of the second rake rod 10 is fixedly connected to... The limiting block 12 is slidably connected to the limiting groove 13. The positioning block 9 has a sliding groove 14 that communicates with the inside of the positioning groove 11. The limiting block 12 and the sliding groove 14 are slidably connected. The limiting groove 13 and the sliding groove 14 are the same size and aligned. The positioning groove 11 has a supporting block 19 slidably connected inside. The side surface of the supporting block 19 near the chain 8 is slidably connected to the side surface of the limiting block 12 away from the chain 8. The supporting block 19 has a through-hole fixing groove 18 that is slidably connected to the second rake rod 10. The positioning block 9 is provided with a disassembly mechanism.

[0034] like Figure 1-6 As shown, the disassembly mechanism includes a fixing hole 15 that passes through the positioning block 9, a connecting groove 17 that passes through the support block 19 and communicates with the inside of the fixing groove 18, a bolt 16 that is provided on the positioning block 9, the end of the bolt 16 that slides out of one side of the positioning block 9 through the fixing hole 15 and the connecting groove 17, and a nut that is threaded onto the bolt 16.

[0035] Bolt 16 is fixed to the positioning block 9 through fixing hole 15 and connecting groove 17, thereby fixing the support block 19 and preventing it from sliding in the positioning groove 11. This prevents the support block 19 from being pulled out of the positioning groove 11. Because "the surface of the support block 19 near the chain 8 is slidably connected to the surface of the limiting block 12 away from the chain 8," when the support block 19 slides into the positioning groove 11, it fixes the limiting block 12, preventing it from being pulled out of the limiting groove 13. This fixes the second rake rod 10 to the positioning block 9, thus enabling the installation of the second rake rod 10. Installation is convenient and quick. When the second rake rod 10 needs to be replaced, the bolt 16 can be removed from the fixing hole 15. Disassembly is convenient and flexible, and multiple second rake rods 10 can be installed, fixed, and disassembled simultaneously, thereby improving the maintenance efficiency of the second rake rod 10 and the overall maintenance efficiency of the high-efficiency double rake scraping device.

[0036] In use, by installing the support frame 2 on the scraper reclaimer, the rake frame 1 is simultaneously installed on the scraper reclaimer. The scraper reclaimer is existing publicly available technology, and the method of installing the support frame 2 on the scraper reclaimer is also existing technology, which will not be described in detail here. In traditional use, the rake frame 1 is usually tilted so that the first rake rod 4 on the rake frame 1 is inserted into the stockpile. Then, as the scraper reclaimer drives the rake frame 1 to move, the first rake rod 4 pushes and pulls the stockpile to loosen the material, so as to facilitate the scraping of the scraper of the scraper reclaimer.

[0037] In this scheme, after starting the motor 21, the two chains 8 simultaneously convey the positioning block 9, thereby driving the second rake rod 10 installed on the positioning block 9 to move synchronously. As the second rake rod 10 moves with the chain 8, the end of the second rake rod 10 outside the positioning block 9 inserts into the material. As the second rake rod 10 is conveyed, it scrapes and loosens the stacked material, thus realizing the rake work of the stack. Furthermore, the simultaneous pushing and loosening of the material by the first rake rod 4 and the second rake rod 10 can improve the rake efficiency of the stack, thereby improving the scraping efficiency and reliability of the stacker-reclaimer. In addition, the second rake rod 10 is driven to scrape the material during the conveying process by the chain 8. When dealing with materials with a certain degree of stickiness, the rake effect is better, thereby increasing the practicality of the high-efficiency dual rake scraping device suitable for stacker-reclaimers.

[0038] like Figure 1-4 As shown, a fixing plate 22 is fixedly installed on the rake frame 1. The fixing plate 22 has a through hole and is detachably installed on the rake frame 1 by bolts, which facilitates the repair and replacement of the scraping block 23 after deformation or damage. The scraping block 23, which is inclined, is fixedly connected to the side of the fixing plate 22 away from the rake frame 1. A cleaning groove 24 is opened through the scraping block 23 and is aligned with the second rake rod 10.

[0039] In this design, when the second rake rod 10 located on the lower side moves along the positioning shaft 6 toward the support shaft 7, it is inserted into the cleaning groove 24 when it is conveyed by the chain 8. With the cooperation of the scraping block 23 and the cleaning groove 24, the scraping block 23 scrapes off the material adhering to the second rake rod 10, thereby cleaning the second rake rod 10 and preventing the material adhering to the second rake rod 10 from affecting the subsequent rake effect. This increases the practicality of the high-efficiency double rake scraping device suitable for stacker-reclaimers.

[0040] like Figure 1-4As shown, a support frame 2 is provided on the side of the rake frame 1 away from the first rake rod 4, and multiple connecting rods 3 are fixedly connected between the support frame 2 and the rake frame 1; the rake frame 1 is installed by installing the support frame 2 on the material handling machine.

[0041] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments, and various changes and modifications can be made without departing from the spirit and scope of this utility model. All such changes and modifications fall within the scope of protection claimed by this utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A high-efficiency dual-rake scraping device suitable for stacker-reclaimers, comprising a rake frame (1), characterized in that: The rake frame (1) is fixedly connected with a plurality of first rake rods (4). The rake frame (1) is provided with a plurality of rake sections on the side away from the first rake rods (4). The rake section includes two sets of fixed seats fixedly arranged side by side on the rake frame (1). Each set of fixed seats includes two fixed blocks (5) arranged opposite to each other. The two sets of fixed seats are respectively provided with a positioning shaft (6) and a support shaft (7) rotatably connected to the fixed blocks (5). The positioning shaft (6) and the support shaft (7) are each fixedly connected with two sprockets (20). A chain (8) is connected between the two sprockets (20). The rake section is provided with a plurality of second rake rods (10). The chain (8) is fixedly connected with an installation mechanism that connects the second rake rods (10) to the sprockets (20). The installation mechanism is provided with a plurality of equidistant sprockets along the running direction of the chain (8). A drive mechanism is provided on the fixed block (5), which is used to drive the support shaft (7) to rotate.

2. The high-efficiency dual-rake scraper device suitable for stacker-reclaimers according to claim 1, characterized in that: The drive mechanism includes a motor (21) fixedly connected to the fixed block (5). The rotation output shaft of the motor (21) is poweredly connected to one end of the support shaft (7). A protective shell (25) is fixedly connected to the fixed block (5), and the motor (21) is located inside the protective shell (25).

3. The high-efficiency dual-rake scraper device suitable for stacker-reclaimers according to claim 1, characterized in that: The installation mechanism includes a positioning block (9), which is fixedly installed on two chains (8). A positioning groove (11) is provided through the positioning block (9). Multiple limiting grooves (13) are provided on the bottom wall of the positioning groove (11). A limiting block (12) is fixedly connected to the end of the second rake rod (10) and is slidably connected to the limiting groove (13). A sliding groove (14) communicating with the inside of the positioning groove (11) is provided on the positioning block (9). The limiting block (12) is slidably connected to the sliding groove (14). The limiting groove (13) is aligned with the sliding groove (14). A support block (19) is slidably connected inside the positioning groove (11). A fixing groove (18) is provided through the support block (19) and is slidably connected to the second rake rod (10). A disassembly mechanism is provided on the positioning block (9).

4. A high-efficiency dual-rake scraper device suitable for stacker-reclaimers according to claim 3, characterized in that: The disassembly mechanism includes a fixing hole (15) through the positioning block (9), a connecting groove (17) through the support block (19) communicating with the inside of the fixing groove (18), and a bolt (16) on the positioning block (9). The end of the bolt (16) slides out of one side of the positioning block (9) through the fixing hole (15) and the connecting groove (17).

5. A high-efficiency dual-rake scraper device suitable for stacker-reclaimers according to claim 4, characterized in that: A fixing plate (22) is fixedly installed on the rake frame (1). A scraping block (23) is fixedly connected to the side of the fixing plate (22) away from the rake frame (1). A cleaning groove (24) is opened through the scraping block (23). The cleaning groove (24) is aligned with the second rake rod (10).

6. A high-efficiency dual-rake scraper device suitable for stacker-reclaimers according to claim 1, characterized in that: A support frame (2) is provided on the side of the rake frame (1) away from the first rake rod (4), and multiple connecting rods (3) are fixedly connected between the support frame (2) and the rake frame (1).

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