Bridge type bucket-wheel blending reclaimer with novel rake frame

Abstract

The invention relates to a bridge type bucket-wheel blending reclaimer with a novel rake frame, and relates to the technical field of blending reclaimers. The harrow frame comprises a harrow frame body connected with a trolley, the harrow frame body comprises a harrow frame steel structure, a guide rail is arranged on the harrow frame steel structure, a harrow tooth mechanism used for loosening materials is arranged on the guide rail in a sliding mode, and a harrow tooth driving mechanism used for driving the harrow tooth mechanism to operate is further arranged at the tail end of the harrow frame steel structure. The harrow tooth mechanism comprises a chain, a tensioning mechanism is further arranged on the harrow frame steel structure and used for tensioning the chain of the harrow tooth mechanism, the harrow frame steel structure is connected with a harrow frame balance hanging rod, the end, away from the harrow frame steel structure, of the harrow frame balance hanging rod is arranged on a hoisting mechanism, and the hoisting mechanism is connected with a trolley. The uniform-mixing reclaimer has the advantages that smooth loosening can be guaranteed when an existing uniform-mixing reclaimer is used for materials which are relatively sticky or poor in fluidity, and the rated reclaiming capacity is achieved.

Description

Technical Field

[0001] This application relates to the field of mixing and reclaiming machines, and in particular to a novel bridge-type bucket wheel mixing and reclaiming machine with a rake frame. Background Technology

[0002] Mixing and feeding machines are core equipment in raw material plants in industries such as steel, building materials, and energy. They achieve efficient mixing of materials through full-section feeding or specific processes. They are mainly divided into three types: bridge-type bucket wheel type, drum type, and circular bridge-type scraper type. They are characterized by large feeding capacity, good mixing effect, and high degree of automation.

[0003] In existing mixing and reclaiming machines, the rake teeth are fixed to the rake frame body by bolts or welding, with no relative movement between them. The rake frame body is generally mounted on a trolley, and the trolley's reciprocating movement on the bridge track drives the rake teeth on the rake frame body to move back and forth, thus loosening the material. For materials with good flowability, this fixed rake frame body, with the trolley's unidirectional movement, can effectively loosen the material. However, when encountering sticky or poorly flowable materials, this single-moving rake teeth makes it difficult to smoothly loosen the material from the pile. The material cannot roll off smoothly, and the bucket wheel cannot pick up the corresponding amount of material according to the set bucket capacity. Therefore, the material handling capacity cannot meet the rated design requirements, and the material cannot be mixed well. The material at the top cannot be loosened, and when the trolley forces its way in to pick up the material, the rake frame body will collide with the pile, causing accidents, resulting in economic losses and personal injury.

[0004] To address the aforementioned technical problems, this application proposes a novel bridge-type bucket wheel mixing and reclaiming machine with a rake frame, which enables smooth material loosening and achieves the rated material reclaiming capacity when dealing with sticky or poorly flowing materials. Summary of the Invention

[0005] In order to improve the existing mixing and reclaiming machine so as to ensure smooth material release and achieve rated material reclaiming capacity when dealing with sticky or poorly flowing materials, this application provides a new type of rake frame bridge bucket wheel mixing and reclaiming machine.

[0006] The bridge-type bucket wheel mixing and reclaiming machine with a novel rake frame provided in this application adopts the following technical solution: A novel bridge-type bucket wheel mixing and reclaiming machine with a rake frame includes a rake frame body connected to a trolley. The rake frame body includes a rake frame steel structure with a guide rail. A rake tooth mechanism for loosening material is slidably mounted on the guide rail. A rake tooth drive mechanism for driving the rake tooth mechanism is also provided at the end of the rake frame steel structure. The rake tooth mechanism includes a chain. A tensioning mechanism is also provided on the rake frame steel structure to tension the chain of the rake tooth mechanism. A rake frame balance rod is connected to the rake frame steel structure. The end of the rake frame balance rod away from the rake frame steel structure is located at a winch mechanism, which is connected to the trolley.

[0007] Preferably, the rake mechanism further includes a plurality of rake teeth, a steel pipe and a connecting plate, wherein the plurality of rake teeth are disposed on the surface of the steel pipe, the connecting plate is disposed on the side wall of the steel pipe away from the rake teeth, and the connecting plate is connected to the chain.

[0008] Preferably, the rake tooth drive mechanism includes a drive motor, a coupling, a reducer, a drive shaft, and a drive sprocket. The output shaft of the drive motor is connected to the reducer, the output shaft of the reducer is connected to the drive shaft, the drive sprocket is sleeved on the peripheral wall of the drive shaft, the chain is wound around the peripheral wall of the drive sprocket, and the coupling is located at both ends of the drive shaft extending out of the drive sprocket.

[0009] Preferably, the tensioning mechanism is located at the front end of the rake frame steel structure. The tensioning mechanism includes a screw, a nut, a slider, and a slide rail. The screw passes through the crossbeam at the front end of the rake frame steel structure. The nut is sleeved on the circumferential wall of the portion of the screw extending out of the crossbeam of the rake frame steel structure. The slide rail is located on the side of the screw near the front end of the rake frame steel structure. The slider is slidably connected to the slide rail. The end of the screw abuts against the slider, and the slider abuts against the chain.

[0010] Preferably, the rake frame steel structure is further provided with a rake tooth running speed detection device, which is used to detect the running speed of the rake teeth and the chain.

[0011] Preferably, the steel structure of the rake frame is also equipped with a chain breakage detection device, which is a proximity switch.

[0012] In summary, this application includes at least one of the following beneficial technical effects: 1. In this application, the rake teeth are installed on the chain via steel pipes and connecting plates, which ensures that the rake teeth move together with the chain; 2. This application provides a rake tooth drive mechanism on the rake frame steel structure, which can drive the drive chain through a reducer, thereby driving the chain and rake teeth to move together, realizing the reciprocating motion of the rake teeth; 3. The rake teeth of this application have a unique operating mode. They can not only move in a straight line, but also combine the movement of the rake frame body and the movement of the rake teeth to form a new rakeing mode, so as to achieve a better material loosening effect. 4. The novel rake frame of this application can follow the running direction of the trolley, and the rake teeth run on the steel structure of the rake frame through the guide rail, so that the material is subjected to force in both the horizontal and vertical directions, thereby allowing the rake teeth to rake the material and allowing the material to roll smoothly off the material pile, achieving the rated material handling capacity. Attached Figure Description

[0013] Figure 1 This is a structural schematic diagram of a novel rake frame bridge-type bucket wheel mixing and reclaiming machine according to an embodiment of this application.

[0014] Figure 2 This is a schematic diagram of the guide rail structure according to an embodiment of this application.

[0015] Figure 3 This is a structural schematic diagram of the rake frame mechanism according to an embodiment of this application.

[0016] Figure 4 This is a schematic diagram of the rake tooth drive mechanism according to an embodiment of this application.

[0017] Figure 5 yes Figure 1 A magnified view of a portion of point A in the middle.

[0018] Figure 6 This is a side view of the tensioning mechanism according to an embodiment of this application.

[0019] Explanation of reference numerals in the attached drawings: 1. Rake frame main body; 2. Trolley; 3. Rake frame steel structure; 4. Guide rail; 5. Rake tooth mechanism; 501. Rake tooth; 502. Steel pipe; 503. Connecting plate; 504. Chain; 6. Rake tooth drive mechanism; 601. Drive motor; 602. Coupling; 603. Reducer; 604. Drive shaft; 605. Drive sprocket; 7. Tensioning mechanism; 701. Screw; 702. Nut; 703. Slider; 704. Slide rail; 8. Rake frame balance rod; 9. Winch mechanism; 10. Rake tooth running speed detection device; 11. Chain breakage detection device. Detailed Implementation

[0020] The following is in conjunction with the appendix Figure 1-6 This application will be described in further detail.

[0021] This application discloses a novel bridge-type bucket wheel mixing and reclaiming machine with a rake frame. (Refer to...) Figure 1 , Figure 2 and Figure 3The system includes a rake frame body 1 connected to the trolley 2. The rake frame body 1 includes a rake frame steel structure 3. A guide rail 4 is provided on the rake frame steel structure 3 along its length. A rake tooth mechanism 5 for loosening materials is slidably provided on the guide rail 4. The rake tooth mechanism 5 includes a plurality of rake teeth 501, a plurality of steel pipes 502, a connecting plate 503, and a chain 504. In this embodiment, six rake teeth 501 are welded to the surface of the same steel pipe 502. The connecting plate 503 is provided on the side wall of the steel pipe 502 away from the rake teeth 501. The steel pipe 502 is connected to the chain 504 through the connecting plate 503 and bolts, so that the rake teeth 501 can run together with the chain 504.

[0022] Reference Figure 1 , Figure 3 and Figure 4 At the end of the rake frame steel structure 3, a rake tooth drive mechanism 6 is provided for driving the rake tooth mechanism 5. The rake tooth drive mechanism 6 includes a drive motor 601, a coupling 602, a reducer 603, a drive shaft 604, and a drive sprocket 605. The drive motor 601 is connected to the rake frame steel structure 3. The output shaft of the drive motor 601 is connected to the reducer 603. The output shaft of the reducer 603 is connected to the drive shaft 604. The drive sprocket 605 is sleeved on the circumferential wall of the drive shaft 604. The chain 504 is wound around the circumferential wall of the drive sprocket 605. The coupling 602 is provided at both ends of the drive shaft 604 that extend out of the drive sprocket 605. Thus, the reducer 603 can drive the drive chain 504, thereby driving the chain 504 and the rake teeth 501 to move together, realizing the reciprocating motion of the rake teeth 501.

[0023] Reference Figure 1 , Figure 5 and Figure 6 The rake frame steel structure 3 is also equipped with a tensioning mechanism 7 to tension the chain 504 of the rake tooth mechanism 5. The tensioning mechanism 7 is located at the front end of the rake frame steel structure 3. The tensioning mechanism includes a screw 701, a nut 702, a slider 703, and a slide rail 704. The screw 701 passes through the crossbeam at the front end of the rake frame steel structure 3. The nut 702 is sleeved on the circumferential wall of the part of the screw 701 that extends out of the crossbeam of the rake frame steel structure 3. The slide rail 704 is located on the side of the screw 701 near the front end of the rake frame steel structure 3. The slider 703 is slidably connected to the slide rail 704. The end of the screw 701 abuts against the slider 703, and the slider 703 abuts against the chain 504.

[0024] Reference Figure 1 The rake frame steel structure 3 is also equipped with a rake tooth running speed detection device 10 to detect the running speed of the rake teeth 501 and the chain 504. In this embodiment, the rake tooth running speed detection device 10 adopts a speed sensor and can promptly feed the detection results back to the PLC control system of the whole machine, thereby adjusting the running speed of the chain 504.

[0025] Reference Figure 1 The steel structure 3 of the rake frame is also equipped with a chain breakage detection device 11. The chain breakage detection device 11 uses a proximity switch and a sensing block. When the proximity switch approaches the chain 504, if the sensing is interrupted, it means that the chain 504 is broken, so that the staff can stop the machine in time to prevent safety hazards.

[0026] Reference Figure 1 The rake frame steel structure 3 is connected to the rake frame balance rod 8. The end of the rake frame balance rod 8 away from the rake frame steel structure 3 is set on the winch mechanism 9. The winch mechanism 9 is connected to the trolley 2. In this embodiment, the winch mechanism 9 is composed of pulleys, wire ropes, electric hoists, motors, couplings, brakes, reducers and drums.

[0027] The implementation principle of a new type of bridge-type bucket wheel mixing and reclaiming machine with a rake frame in this application embodiment is as follows: when the bucket wheel mechanism reciprocates on the bridge frame, the rake frame body 1 set on the trolley 2 reciprocates on the bridge frame along with the bucket wheel trolley 2. The rake tooth mechanism 5 on the rake frame body 1 loosens the material on the surface of the material pile, and the loosened material rolls down to the bottom of the material pile to feed the bucket wheel reclaiming hopper. When the mixing bucket wheel reclaimer picks up material, the angle of the rake frame body 1 is first adjusted by the hoisting mechanism 9 so that the angle of the rake frame body 1 is consistent with the angle of repose of the material in the pile. Then, the trolley travels so that the rake teeth 501 of the rake tooth mechanism 5 are inserted into the material pile at a certain angle. Then, the trolley 2 carries the bucket wheel reclaimer rake frame body 1 together and runs from one side to the other on the bridge track. At the same time, in order to better loosen and rake the material, the rake tooth drive mechanism 6 is activated, so that the rake tooth mechanism 5 runs along the guide rail 4 on the rake frame steel structure 3, making the running trajectory of the rake tooth mechanism 5 curved. The new rake frame facilitates better loosening and raking of materials. Once the materials are loosened, they can be fed to the bucket wheel, ensuring that the material handling capacity meets design requirements. With this new type of rake frame, the materials on the pile no longer rely solely on the material loosening and automatically rolling off the pile due to the angle of repose. Especially when the materials are sticky or have poor flowability, the rake tooth mechanism 5 of this new rake frame will forcibly rake the materials off the pile, ensuring that the required amount of material is removed from the pile and that enough material is fed to the bucket wheel, thereby ensuring the rated material handling capacity of the reclaimer.

[0028] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A novel bridge-type bucket wheel mixing and reclaiming machine with a rake frame, comprising a rake frame body connected to a trolley, characterized in that: The rake frame body includes a rake frame steel structure, on which a guide rail is provided. A rake tooth mechanism for loosening material is slidably mounted on the guide rail. At the end of the rake frame steel structure, a rake tooth drive mechanism for driving the rake tooth mechanism is also provided. The rake tooth mechanism includes a chain. A tensioning mechanism is also provided on the rake frame steel structure to tension the chain of the rake tooth mechanism. The rake frame steel structure is connected to a rake frame balance rod. The end of the rake frame balance rod away from the rake frame steel structure is located at a winch mechanism. The winch mechanism is connected to a trolley.

2. The novel bridge-type bucket wheel mixing and reclaiming machine with a rake frame according to claim 1, characterized in that: The rake mechanism further includes a plurality of rake teeth, a steel pipe and a connecting plate. The plurality of rake teeth are disposed on the surface of the steel pipe, and the connecting plate is disposed on the side wall of the steel pipe away from the rake teeth. The connecting plate is connected to the chain.

3. The novel bridge-type bucket wheel mixing and reclaiming machine with a rake frame according to claim 2, characterized in that: The rake tooth drive mechanism includes a drive motor, a coupling, a reducer, a drive shaft, and a drive sprocket. The output shaft of the drive motor is connected to the reducer, and the output shaft of the reducer is connected to the drive shaft. The drive sprocket is sleeved on the circumferential wall of the drive shaft, and the chain is wound around the circumferential wall of the drive sprocket. The coupling is located at both ends of the drive shaft that extend out of the drive sprocket.

4. The novel bridge-type bucket wheel mixing and reclaiming machine with a rake frame according to claim 1, characterized in that: The tensioning mechanism is located at the front end of the rake frame steel structure. The tensioning mechanism includes a screw, a nut, a slider, and a slide rail. The screw passes through the crossbeam at the front end of the rake frame steel structure. The nut is sleeved on the circumferential wall of the portion of the screw that extends out of the crossbeam of the rake frame steel structure. The slide rail is located on the side of the screw near the front end of the rake frame steel structure. The slider is slidably connected to the slide rail. The end of the screw abuts against the slider, and the slider abuts against the chain.

5. The novel bridge-type bucket wheel mixing and reclaiming machine with a rake frame according to claim 1, characterized in that: The rake frame steel structure is also equipped with a rake tooth running speed detection device, which is used to detect the running speed of the rake teeth and the chain.

6. The novel bridge-type bucket wheel mixing and reclaiming machine with a rake frame according to claim 1, characterized in that: The steel structure of the rake frame is also equipped with a chain breakage detection device, which is a proximity switch.

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