Chain bucket type unloading and sweeping integrated equipment and unloading and sweeping method

Abstract

The invention discloses chain bucket type unloading and sweeping integrated equipment and an unloading and sweeping method, and belongs to the technical field of chain bucket type unloading machines. The portal frame is used for walking on a track on the ground, is a stable operation platform and provides an installation walking platform for a chain bucket lifting material taking mechanism; the chain bucket lifting material taking mechanism is mounted on the portal frame in a sliding manner, is used for digging bulk materials, and comprises a guide frame and a chain bucket mechanism mounted on the guide frame; and the sweeping and collecting mechanism comprises a storage frame and a sweeping mechanism, the storage frame is installed on the guide frame, and the sweeping mechanism is installed in the storage frame in a sliding mode. According to the chain bucket type unloading and sweeping integrated equipment, the operation efficiency and safety are improved in the aspect of achieving synchronous unloading and synchronous sweeping.

Description

Technical Field

[0001] The invention relates to a chain bucket type car unloading and cleaning integrated machine, belonging to the technical field of chain bucket type car unloading machines. Background Art

[0002] The chain bucket unloader is a kind of mechanical equipment specially used for unloading railway freight cars. It is mainly composed of a gantry, a chain bucket elevator and its lifting mechanism, a belt conveyor, a whole machine travel mechanism, etc. The chain bucket unloader is mainly used for unloading bulk materials from freight cars in industrial and mining enterprises, such as coal, sand, lime, coke and other granular materials.

[0003] At present, chain bucket unloading machines are generally used to unload materials from railway open cars. The traditional unloading method is that a bucket elevator is lowered into the open car to be unloaded, and the reciprocating chain bucket scoops out the materials and lifts them to a certain height, pours them into the unloading bucket, and then leaks them into the conveyor belt through the unloading bucket to realize the unloading operation. For example: the announcement number is CN215923808U, which is a car unloading machine. The unloading machine includes a door-shaped bracket, and a lifting frame installed on the door-shaped bracket. A motor is installed on the lifting frame, a transmission sprocket is installed on the motor, and a chain is installed on the transmission sprocket. The chain bucket is fixed on the chain to form a chain bucket type unloading machine. The unloading machine realizes the unloading operation of the materials in the car through the reciprocating motion of the chain bucket. However, in the actual unloading process, due to the large turning radius of the reciprocating chain bucket, during the unloading process, the bucket elevator unloads in the open car to be unloaded. Due to the dead angle of cleaning between the bucket elevator and the inner wall of the open car to be unloaded (the chain bucket forms an arc angle with the inner wall during the turning process after taking out the material, and the side wall of the open car and the bottom of the car are vertical, so the material accumulated in the area formed by the arc angle and the vertical angle cannot be taken out by the chain bucket, and this position is called the dead angle of cleaning), the bucket elevator material is not completely unloaded. Manual cleaning is required. On the one hand, the labor intensity of manual cleaning is high, and on the other hand, it is time-consuming and labor-intensive, resulting in low unloading efficiency.

[0004] The current existing method is to use a car unloading sweeper to clean the materials unloaded by the chain bucket unloader, and then realize the unloading operation. However, in order to realize the unloading of materials, the company needs to purchase an additional sweeper, which increases the cost of purchasing the sweeper. Moreover, the use of a sweeper cannot solve the problem of low unloading efficiency, and a certain amount of investment is still required to complete the unloading operation. In addition, during railway train transportation, when the train carriages transport bulk materials (such as coal), the number of carriages generally reaches dozens or even hundreds of carriages. When using a chain bucket unloader and a sweeper to unload the car, it affects the unloading and prolongs the car body's residence time, which also affects the scheduling of the car body in and out.

[0005] Therefore, in order to solve the above problems, it is urgent to propose a chain bucket type unloading and cleaning integrated equipment to achieve thorough unloading and improve unloading efficiency. Summary of the invention

[0006] In order to solve the above problems, the present invention proposes a chain bucket type unloading and cleaning integrated equipment and unloading and cleaning method to solve the problem that the existing chain bucket type unloading machine does not unload bulk materials thoroughly, and still needs to be cleaned again manually or using a cleaning machine after unloading, resulting in high labor intensity, low unloading efficiency, high unloading time and increased costs.

[0007] The technical solution adopted by the present invention to solve the above-mentioned technical problems is:

[0008] A chain bucket type truck unloading and cleaning integrated equipment, comprising:

[0009] The gantry is used to walk on the track on the ground. The gantry is a stable working platform, providing an installation and walking platform for the chain bucket lifting and reclaiming mechanism;

[0010] A chain bucket lifting and reclaiming mechanism is slidably mounted on a door frame and is used to dig out bulk materials, and includes a guide frame and a chain bucket mechanism mounted on the guide frame;

[0011] The cleaning and collecting mechanism comprises a storage frame and a cleaning mechanism. The storage frame is installed on a guide frame, and the cleaning mechanism is slidably installed in the storage frame.

[0012] Preferably: a first conveying mechanism is installed on the door frame.

[0013] Preferably, it also includes a second conveying mechanism, one end of which is hinged on the door frame, and a suspension rope is installed on the door frame, and the suspension rope is connected to the other end of the second conveying mechanism.

[0014] Preferably: the cleaning mechanism includes a scissors frame, a lifting frame, a scraper mechanism and a vertical brush mechanism, one end of the scissors frame is installed on the storage frame, and the other end is installed with the lifting frame, the scraper mechanism is installed at the lower end of the lifting frame, and the vertical brush mechanism is installed on both sides of the scraper mechanism.

[0015] Preferably, a first oil cylinder is installed on the storage frame, and an output end of the first oil cylinder is connected to the scissors frame to realize the storage or extension of the scissors frame in the storage frame.

[0016] Preferably: the scraper mechanism comprises a scraper housing, a motor, an active scraper sprocket, a driven scraper sprocket, a scraper chain and a scraper, the upper part of the scraper housing has a material ejection port, the motor is mounted on the upper end of the scraper housing, the active scraper sprocket is mounted on the motor, the driven scraper sprocket is mounted on the lower end of the scraper housing through a rotating shaft and a bearing seat, the active scraper sprocket and the driven scraper sprocket are connected and installed through a scraper chain, and a plurality of scrapers are installed on the scraper chain. The rotation of the motor drives the scraper chain to circulate, and a material storage area is formed between two adjacent scrapers. The scraper scrapes the bulk material at the bottom into the interior of the scraper housing, and the bulk material in the scraper housing is lifted through the cooperation between the scraper and the inner wall of the scraper housing, and finally ejected through the material ejection port.

[0017] Preferably: the vertical brush mechanism includes a vertical brush rotating motor, a vertical brush, a vertical brush rotating frame and a corner brush, the vertical brush rotating frame is installed on the side wall of the scraper mechanism, the vertical brush is installed on the vertical brush rotating frame through a bearing seat, the vertical brush rotating frame is also installed with a vertical brush rotating motor, the upper end of the vertical brush is installed in cooperation with the vertical brush rotating motor, and the lower end of the vertical brush is installed with a corner brush.

[0018] Preferably, the chain bucket mechanism comprises a bucket fixed on the chain, and the bucket at the bottom scoops up the material driven by the active roller and rises to the top along with the chain, and unloads the material onto the first conveying mechanism by turning over.

[0019] A chain bucket type unloading car cleaning method is implemented based on a chain bucket type unloading car cleaning integrated device, comprising the following steps:

[0020] Step S1, controlling the gantry to move to the end of the truck to be unloaded, and adjusting the position of the chain bucket lifting and reclaiming mechanism on the gantry so that the lifting and reclaiming mechanism is directly above the truck to be unloaded;

[0021] Step S2, controlling the chain bucket mechanism in the chain bucket lifting and taking mechanism to fall, so that the bucket in the chain bucket mechanism deeply digs the bulk material from one end of the truck to be unloaded, until the bulk material at the end of the truck to be unloaded is emptied;

[0022] Step S3, controlling the gantry to move so that the bulk materials dug by the chain bucket mechanism can leave working space for the cleaning mechanism;

[0023] Step S4, extending the cleaning mechanism from the storage frame, and making the vertical brush mechanism of the cleaning mechanism fit on the inner wall of the end of the truck to be unloaded;

[0024] Step S5, start the cleaning mechanism, the vertical brush mechanism of the cleaning mechanism rotates to clean the inner wall of the truck to be unloaded, and cleans the bulk materials remaining on the inner wall to the bottom of the truck to be unloaded. At the same time, start the scraper mechanism, and the scraper mechanism lifts the cleaned bulk materials through the reciprocating motion of the scraper and throws them into the working area of ​​the chain bucket mechanism through the material throwing port, and unloads the materials onto the first conveying mechanism when the chain bucket mechanism is in the working state.

[0025] A chain bucket type unloading car cleaning method is implemented based on a chain bucket type unloading car cleaning integrated device, comprising the following steps:

[0026] Step 1: Control the gantry to move to the end of the truck to be unloaded, and adjust the position of the chain bucket lifting and reclaiming mechanism on the gantry so that the lifting and reclaiming mechanism is directly above the truck to be unloaded;

[0027] Step 2: Control the chain bucket mechanism in the chain bucket lifting and material taking mechanism to fall, and the bucket in the chain bucket mechanism starts from one end of the truck to be unloaded, and digs the bulk materials layer by layer until the last layer of bulk materials is dug out, and the cleaning mechanism extends from the storage frame and makes the vertical brush mechanism of the cleaning mechanism fit on the inner wall of the end of the truck to be unloaded;

[0028] Step 3, start the cleaning mechanism, the vertical brush mechanism of the cleaning mechanism rotates to clean the inner wall of the truck to be unloaded, and cleans the bulk materials remaining on the inner wall to the bottom of the truck to be unloaded. At the same time, start the scraper mechanism, and the scraper mechanism lifts the cleaned bulk materials through the reciprocating motion of the scraper and throws them into the working area of ​​the chain bucket mechanism through the material throwing port, and unloads the materials onto the first conveying mechanism when the chain bucket mechanism is in working state.

[0029] The beneficial effects of the present invention are as follows: the chain bucket type unloading and cleaning integrated equipment of the present invention not only improves the working efficiency and safety in realizing synchronous unloading and synchronous cleaning, but also effectively reduces labor costs, coal dust pollution and equipment wear, and improves the overall production efficiency and environmental protection standards. In addition, through this automated cleaning method, it is possible to optimize resource allocation, improve the cleanliness of the working environment, and reduce downtime and operating costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a front view of a chain bucket type truck unloading and cleaning integrated equipment;

[0031] Figure 2 yes Figure 1 A top view of

[0032] Figure 3 yes Figure 1 Left view of

[0033] Figure 4 It is the main view of the door frame;

[0034] Figure 5 It is a three-dimensional diagram of the installation structure of the cleaning mechanism and the storage frame;

[0035] Figure 6 It is a three-dimensional diagram of the cleaning mechanism;

[0036] Figure 7 It is the assembly drawing of the scraper mechanism and the vertical brush mechanism;

[0037] Figure 8 It is a three-dimensional diagram of the scraper mechanism;

[0038] Fig. 9 It is an axonometric view of the scraper mechanism;

[0039] Fig.10 It is a three-dimensional diagram of the vertical brush mechanism;

[0040] Fig.11 is a side cross-sectional view of the scraper mechanism;

[0041] Fig.12 yes Figure 6 The enlarged view of point A in the middle;

[0042] Fig.13 It is a three-dimensional diagram of the scissor frame support mechanism;

[0043] Fig.14 is a three-dimensional diagram of the scraper housing;

[0044] Fig.15 It is the three-dimensional structure of the scraper shell. Figure 2 ;

[0045] Fig.16 It is a side view of the installation structure of the chain bucket mechanism, the storage frame and the auxiliary collection baffle assembly;

[0046] Fig.17 yes Fig.16 The enlarged view of point B in the middle;

[0047] Fig.18 It is a three-dimensional picture of the bucket scraper plate;

[0048] Fig.19 It is the three-dimensional structure of the scraper shell. Figure 3 ;

[0049] Fig. 20 It is a three-dimensional diagram of the installation structure of the chain bucket mechanism, the storage frame and the auxiliary collection baffle assembly;

[0050] Fig.21 It is a three-dimensional auxiliary collection baffle assembly Figure 1 ;

[0051] Fig. 22 It is a three-dimensional auxiliary collection baffle assembly Figure 2 ;

[0052] Fig.23 It is a three-dimensional auxiliary collection baffle assembly Figure 3 ;

[0053] Fig.24 is a schematic diagram of the working principle of the auxiliary collection baffle assembly in the eighth specific implementation mode;

[0054] Fig.25 It is a schematic diagram of the principle of the layer-by-layer unloading method in the tenth specific implementation mode;

[0055] In the figure, 1-gantry, 2-chain bucket lifting and reclaiming mechanism, 3-guide frame, 4-chain bucket mechanism, 5-cleaning and collecting mechanism, 6-storage frame, 7-cleaning mechanism, 8-first conveying mechanism, 9-second conveying mechanism, 10-suspension rope, 11-scissor frame, 12-lifting frame, 13-scraper mechanism, 14-vertical brush mechanism, 15-first oil cylinder, 16-scraper housing, 17-motor, 18-active scraper sprocket, 19-driven scraper sprocket, 20-scraper chain, 21-scraper, 22-material throwing port, 23-vertical brush rotating motor, 24-vertical brush, 25-vertical brush rotating frame, 26-angle brush, 27 - hopper, 28- walking mechanism, 29- dropping hopper, 30- cylinder frame, 31- hinged shaft, 32- scissor frame support mechanism, 33- support mounting seat plate, 34- first slide slot, 35- guide baffle plate, 36- rear wall plate, 37- side plate, 38- sprocket mounting box, 39- bucket lifting scraper plate, 40- connecting arm, 41- upper positioning column, 42- lower bracket, 43- positioning seat, 44- positioning support frame, 45- auxiliary collection baffle assembly, 46- outer frame, 47- inner frame, 48- shovel plate, 49- first lifting cylinder, 50- second lifting cylinder, 51- rotating cylinder, 52- material. DETAILED DESCRIPTION

[0056] The present invention is further explained below in conjunction with specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention. After reading the present invention, various equivalent forms of modifications to the present invention by those skilled in the art all fall within the scope defined by the claims attached to this application. Specific implementation method one:

[0058] In conjunction with the instruction manual Figure 1-Figure 11 , describing this embodiment, this embodiment discloses a chain bucket type unloading and cleaning integrated device, comprising:

[0059] The gantry 1 is used for traveling on the track on the ground. It is a gantry assembled by welding steel structures. It can provide a stable working platform for the operation of the entire chain bucket type unloader. A traveling mechanism 28 is installed at the bottom of the gantry 1. The traveling mechanism includes traveling wheels, a reducer and a traveling motor. The traveling wheels are rotatably installed at the bottom of the gantry 1 through bearings, and the traveling wheels can be driven to rotate through the traveling motor and the reducer, so that the entire gantry 1 can travel on the ground track.

[0060] The chain bucket lifting and material-retrieving mechanism 2 is slidably installed on the gantry 1 and is used to dig bulk materials. It includes a guide frame 3 and a chain bucket mechanism 4 installed on the guide frame 3; wherein the guide frame 3 is a square frame formed by welding and assembling steel beams or square tubes, and a walking wheel and a motor reducer for driving the walking wheel are installed on the guide frame 3. A track is laid on the gantry 1, and the walking wheel of the guide frame 3 is installed on the track of the gantry 1. The position of the guide frame 3 on the gantry 1 is adjusted by the walking wheel to realize the alignment of the chain bucket mechanism 4 with the truck to be unloaded in the gantry 1; in addition, the chain bucket mechanism 4 is slidably installed in the guide frame 3, and the chain bucket mechanism 4 can realize rising or falling action along the guide frame 3; the chain bucket mechanism 4 includes a bucket 27 fixed on the chain, and the bucket 27 at the bottom scoops up the material under the drive of the active roller and rises to the top with the chain, and unloads the material to the first conveying mechanism 8 by flipping.

[0061] The cleaning and collecting mechanism 5 includes a storage frame 6 and a cleaning mechanism 7. The storage frame 6 is mounted on the guide frame 3, and the cleaning mechanism 7 is slidably mounted in the storage frame 6. When the cleaning mechanism 7 is working, the cleaning mechanism 7 extends from the storage frame 6. When the cleaning mechanism 7 does not need to work, the cleaning mechanism 7 is stored in the storage frame 6, thereby increasing the operating stroke of the chain bucket lifting and reclaiming mechanism 2, avoiding its range of movement being interfered by the cleaning mechanism 7, so that the entire chain bucket unloading cleaning equipment has a good activity space, improving the space utilization rate of the equipment and the flexibility of the equipment.

[0062] The cleaning mechanism 7 includes a scissors frame 11, a lifting frame 12, a scraper mechanism 13 and a vertical brush mechanism 14. One end of the scissors frame 11 is installed on the storage frame 6, and the other end is installed with the lifting frame 12. The scraper mechanism 13 is installed at the lower end of the lifting frame 12, and the vertical brush mechanism 14 is installed on both sides of the scraper mechanism 13.

[0063] The scraper mechanism 13 includes a scraper housing 16, a motor 17, an active scraper sprocket 18, a driven scraper sprocket 19, a scraper chain 20 and a scraper 21. The upper portion of the scraper housing 16 has a material ejection port 22, the motor 17 is mounted on the upper end of the scraper housing 16, the active scraper sprocket 18 is mounted on the motor 17, the driven scraper sprocket 19 is mounted on the lower end of the scraper housing 16 through a rotating shaft and a bearing seat, the active scraper sprocket 18 and the driven scraper sprocket 19 are connected and installed through the scraper chain 20, and a plurality of scrapers 21 are installed on the scraper chain 20. Fig.11 As shown, the active scraper sprocket 18 is driven to rotate by the rotation of the motor 17, and the active scraper sprocket 18 drives the scraper chain 20 to circulate, and a material storage area is formed between two adjacent scrapers 21. The scraper 21 scrapes the bulk material at the bottom into the scraper shell 16, and through the cooperation between the scraper 21 and the inner wall of the scraper shell 16, the bulk material in the scraper shell 16 is lifted and finally thrown out through the material throwing port 22.

[0064] The vertical brush mechanism 14 includes a vertical brush rotating motor 23, a vertical brush 24, a vertical brush rotating frame 25 and a corner brush 26. The vertical brush rotating frame 25 is installed on the side wall of the scraper mechanism 13. The vertical brush 24 is installed on the vertical brush rotating frame 25 through a bearing seat. The vertical brush rotating frame 25 is also installed with the vertical brush rotating motor 23. The upper end of the vertical brush 24 is installed in cooperation with the vertical brush rotating motor 23, and the lower end of the vertical brush 24 is installed with the corner brush 26.

[0065] The cleaning mechanism 7 is able to store or extend the storage frame 6 under the action of the first oil cylinder 15. Specifically, the storage frame 6 is equipped with the first oil cylinder 15, and the output end of the first oil cylinder 15 is connected to the scissors frame 11 to achieve the storage or extension of the scissors frame 11 in the storage frame 6.

[0066] In this embodiment, the working principle of a chain bucket type unloading and cleaning integrated device is:

[0067] Taking the unloading and cleaning synchronous operation of a train open car (coal transportation) as an example, the train open car enters the unloading area and stops. First, the gantry 1 is controlled to move to the end of the truck to be unloaded, and the position of the chain bucket lifting and reclaiming mechanism 2 on the gantry 1 is adjusted so that the lifting and reclaiming mechanism 2 is directly above the truck to be unloaded; secondly, the chain bucket mechanism 4 in the chain bucket lifting and reclaiming mechanism 2 is controlled to fall, and the bucket 27 in the chain bucket mechanism 4 deeply digs bulk materials from one end of the truck to be unloaded until the bulk materials at the end of the truck to be unloaded are emptied; thirdly, the gantry 1 is controlled to move a certain distance so that the bulk materials dug by the chain bucket mechanism 4 can leave working space for the cleaning mechanism 7; Again, the cleaning mechanism 7 is extended from the storage frame 6, and the vertical brush mechanism 14 of the cleaning mechanism 7 is attached to the inner wall of the end of the truck to be unloaded; finally, the cleaning mechanism 7 is started, and the vertical brush mechanism 14 of the cleaning mechanism 7 rotates to clean the inner wall of the truck to be unloaded, and the bulk materials remaining on the inner wall are swept to the bottom of the truck to be unloaded, and at the same time, the scraper mechanism 13 is started, and the scraper mechanism 13 lifts the cleaned bulk materials through the reciprocating scraper 21 and throws them into the working area of ​​the chain bucket mechanism 4 through the material throwing port 22, and with the chain bucket mechanism 4 in the working state, the materials are unloaded onto the first conveying mechanism 8.

[0068] In this embodiment, in the coal unloading operation of the train, the chain bucket unloader has a cleaning function that can realize the simultaneous unloading and cleaning, which fully guarantees the positive role of industrial and mining enterprises in improving work efficiency, reducing costs, and ensuring safety. The advantages are as follows:

[0069] 1. Improve work efficiency. Synchronous unloading and cleaning can greatly improve work efficiency. Compared with traditional coal unloading, traditional operations usually unload coal first and then clean up. Such operations will waste time, especially when the amount of coal unloading is large. The self-contained cleaning function of the chain bucket unloader can clean up while unloading coal, which not only reduces idle time, but also avoids downtime due to cleaning. In addition, the continuity and efficiency of its operation shorten the total time of each round of coal unloading operations, improving overall production efficiency.

[0070] 2. Reduce labor costs. The simultaneous unloading and cleaning operation method greatly reduces the need for manual intervention. In the traditional unloading mode, manual cleaning is often required after unloading coal, which increases the consumption of human resources. The chain bucket unloader with its own cleaning function can realize automatic cleaning, avoiding the repeated hiring of cleaning personnel or arranging additional cleaning operations after unloading coal, which significantly reduces labor costs.

[0071] 3. Improve work safety. During the unloading process, coal slag, broken coal and coal dust often fall onto the track or the work area. If these materials are not cleaned up in time, it is easy to cause workers to slip or equipment to malfunction. Synchronous cleaning can effectively reduce these falling objects and reduce the risk of accidents caused by uneven ground or accumulated broken coal. At the same time, it can keep the work site clean and ensure a safe working environment.

[0072] 4. Improve the cleanliness of the working environment. The cleaning function can clean the working site in real time during the coal unloading process to prevent coal dust, coal slag and other waste materials from accumulating on the ground or surrounding areas, thereby keeping the working place clean. This can not only improve the working environment of the staff, but also enhance the image of the company. Especially in some companies that pay attention to environmental protection and cleanliness of the site, the application of the cleaning function is even more important.

[0073] 5. Reduce downtime. In traditional coal unloading operations, since coal unloading and cleaning need to be carried out separately, idle downtime is usually generated. Especially during the cleaning process, unloading may be temporarily stopped, resulting in reduced production efficiency. The chain bucket unloader's built-in cleaning function can perform coal unloading and cleaning work at the same time, minimizing idle time and improving operation continuity and work efficiency.

[0074] 6. The self-cleaning function of the chain bucket unloader can optimize the configuration of equipment and personnel. Tasks that originally required multiple devices and more manpower to operate separately can now be completed by one device and one operator. This not only improves the utilization rate of resources, but also makes the operation process more concise and efficient. It reduces unnecessary waste of resources and reduces operating costs.

[0075] 7. Enhance the level of operation automation. The application of the chain bucket unloader with its own cleaning function improves the automation level of the entire coal unloading process. Through automated cleaning, the manual participation process is reduced, and the intelligence level of the operation process is improved. The improvement of automation can not only reduce the errors caused by human factors, but also reduce the workload of operators, making the operation safer and more accurate.

[0076] 8. Improve overall operational efficiency. Overall, the application of the chain bucket unloader with its own cleaning function makes the entire coal unloading process more efficient, energy-saving, environmentally friendly and safe. By reducing unnecessary operating links and reducing operating costs, enterprises can significantly improve overall operational efficiency. This advantage will become more apparent in long-term operations, especially in large-scale coal unloading operations, which can save enterprises a lot of manpower, material resources and time costs. Specific implementation method 2:

[0078] In conjunction with the instruction manual Figure 1-Figure 11, describing this embodiment, this embodiment discloses a chain bucket type unloading and cleaning integrated equipment, a first conveying mechanism 8 is installed on the door frame 1, the first conveying mechanism 8 is a belt conveyor, used to convey the bulk materials scooped out by the chain bucket mechanism 4, and a drop hopper 29 is installed at the end of the first conveying mechanism 8, and the bulk materials conveyed by the first conveying mechanism 8 fall into the designated unloading area through the drop hopper 29. Specific implementation method three:

[0080] In conjunction with the instruction manual Figure 1-Figure 11 , and on the basis of the specific embodiment 2, a chain bucket type unloading and cleaning integrated device in this embodiment further includes a second conveying mechanism 9, one end of which is hinged on the door frame 1, and a lifting rope 10 is installed on the door frame 1, and the lifting rope 10 is connected to the other end of the second conveying mechanism 9. The second conveying mechanism 9 is a belt conveyor. In this way, the second conveying mechanism 9 can be unfolded and folded under the action of the lifting rope 10. When the entire device stops working, the lifting rope 10 drives the second conveying mechanism 9 to fold and store. When the device is working, one end of the second conveying mechanism 9 is arranged at the bottom of the drop hopper 29, and the bulk material conveyed by the first conveying mechanism 8 falls into the second conveying mechanism 9 through the drop hopper 29. The second conveying mechanism 9 conveys the bulk material to a place far away from the chain bucket type unloading and cleaning integrated device to realize the transportation of materials. Specific implementation method four:

[0082] In conjunction with the instruction manual Figure 6 , Fig.12 and Fig.13, explaining this embodiment, this embodiment is a chain bucket type unloading cleaning integrated equipment, this embodiment further designs the cleaning mechanism 7, optimizes the running stability of the cleaning mechanism 7, and thus improves the cleaning effect of the cleaning mechanism 7, specifically: the upper end of the scissors frame 11 is installed on the storage frame 6 through the cylinder frame 30, the scissors frame 11 has a plurality of hinge shafts 31, the cylinder end of the first cylinder 15 is also installed on the cylinder frame 30, the output end of the first cylinder 15 is installed with a scissors frame support mechanism 32, the scissors frame support mechanism 32 includes a support mounting seat plate 33 and a support provided on the support mounting seat plate The first slide groove 34 on the support mounting seat plate 33, one end of the support mounting seat plate 33 is mounted on the output shaft of the first oil cylinder 15, and the other end of the support mounting seat plate 33 is fixedly mounted with one of the hinge shafts 31 at the center of the scissors frame 11. When the scissors frame 11 needs to be unfolded, the output shaft of the first oil cylinder 15 extends out, and the output shaft of the first oil cylinder 15 pushes the hinge shaft 31 at the center of the scissors frame 11 through the support mounting seat plate 33 to realize the unfolding of the scissors frame 11. When the scissors frame 11 needs to be retracted, the output shaft of the first oil cylinder 15 is retracted, and the hinge shaft 31 at the center of the scissors frame 11 slides into the first slide groove 34 in sequence. In this embodiment, the first slide groove 34 can ensure the smooth landing and smooth recovery of the scissors frame 11. During use, it is required to ensure that when the scissors frame 11 is in the unfolded state, at least two hinge shafts 31 on the scissors frame 11 are in the first slide groove 34. In this way, the hinge shaft 31 is clamped by the first slide groove 34 of the scissor frame support mechanism 32, thereby improving the stability of the scissor frame 11 during operation, preventing the shaking and vibration of the scissor frame 11 from being transmitted to the cleaning mechanism 7, so that the cleaning mechanism 7 can operate stably when in operation, avoiding the shaking that causes the cleaning brush to fail to fully contact the inner wall of the truck to be dumped, resulting in incomplete cleaning. Therefore, under the action of the scissor frame support mechanism 32, the working stability of the cleaning mechanism 7 is improved, and the cleaning effect is improved. Specific implementation method five:

[0084] In conjunction with the instruction manual Figure 7 and Figure 8, explaining this embodiment, this embodiment is a chain bucket type unloading truck cleaning integrated equipment, the bottom two sides of the scraper shell 16 are installed with guide baffle plates 35, the size of the guide baffle plates 35 is larger than the size of the corner brush 26. In this way, when cleaning the inner wall of the truck to be dumped, the vertical brush 24 is used to clean the bulk materials attached to the inner wall of the truck to be dumped, and the bulk materials after cleaning fall under gravity. At this time, the corner brush 26 is used to clean the bulk materials and sweep them into the working area of ​​the scraper 21. Without the cooperation of the guide baffle plate 35, the bulk materials cleaned by the corner brush 26 will splash everywhere, and the bulk materials cannot be gathered and collected. With the cooperation of the guide baffle plate 35 and the corner brush 26, the bulk materials can be gathered and collected into the working area of ​​the scraper 21, which is convenient for the scraper 21 to lift the bulk materials and finally throw them out through the material throwing port 22. Specific implementation method six:

[0086] In conjunction with the instruction manual Fig.14 and Fig.15 , explaining this embodiment, this embodiment is a chain bucket type unloading cleaning integrated equipment, the scraper housing 16 includes a rear wall plate 36, a side plate 37, and a sprocket installation box body 38, the side plates 37 are installed on both sides of the rear wall plate 36, the top of the side plate 37 forms a material throwing port 22, and two sprocket installation boxes 38 are installed on the rear wall plate 36, the sprocket installation box body 38 is welded and assembled by three vertical plates, and the three vertical plates form a receiving cavity, and the active scraper sprocket 18 and the driven scraper sprocket 19 are both installed in the sprocket installation box body 38. In this way, the sprocket installation box body 38 of the scraper housing 16 is welded and assembled by three vertical plates, and the three vertical plates form a receiving cavity. On the one hand, it can improve the structural strength of the scraper housing 16, and on the other hand, it can provide a closed and clean working environment for the rotation of the sprocket, so as to prevent bulk materials from entering the sprocket and chain to cause transmission failure and affect the operation of the scraper mechanism. In addition, the structural design of the sprocket mounting box 38 and the scissor frame supporting mechanism 32 cooperates to further improve the working stability of the cleaning mechanism 7 and indirectly improve the cleaning effect. Specific implementation method seven:

[0088] In conjunction with the instruction manual Figure 6 , Figure 16-Figure 19, explaining this embodiment, a chain bucket type unloading cleaning integrated device of this embodiment also includes a bucket lifting scraper plate 39, which is fixedly installed on both sides of the chain bucket mechanism 4 through a connecting arm 40, and the bucket lifting scraper plate 39 has an upper positioning column 41 and a lower bracket 42, and the scraper shell 16 has a positioning seat 43 and a positioning support frame 44. In this way, the bucket lifting scraper plate 39 is arranged between the chain bucket mechanism 4 and the cleaning mechanism 7. When performing the unloading cleaning operation, on the one hand, the bucket lifting scraper plate 39 is used to scrape the remaining bulk material at the bottom of the truck to be unloaded. On the other hand, the bucket lifting scraper plate 39 and the chain bucket mechanism 4 enclose a space for the bucket 27 to dig out. The bucket lifting scraper plate 39 can gather bulk materials in the space, so that the bucket 27 in the chain bucket mechanism 4 can fully dig out the materials in the space (the materials can fill the bucket 27 as much as possible), thereby improving the working efficiency of the chain bucket mechanism 4. On the other hand, the bucket scraper plate 39 and the cleaning mechanism 7 also enclose a cleaning space. The materials on the side wall of the truck to be unloaded after being cleaned by the vertical brush mechanism 14 can fall into the working space of the corner brush 26 of the vertical brush mechanism 14 under the cover of the bucket scraper plate 39, thereby avoiding splashing of materials after cleaning by the vertical brush mechanism 14 and causing pollution to the cleaned area. On the other hand, the scraper plate 39 has an upper positioning column 41 and a lower bracket 42. When performing unloading cleaning operations, the scraper mechanism 13 of the cleaning mechanism 7 is positioned on the upper positioning column 41 and the lower bracket 42. Specifically, when the cleaning mechanism 7 descends, the positioning seat 43 (the positioning seat 43 is processed with a positioning hole) on the scraper shell 16 is positioned on the upper positioning column 41, and the positioning support frame 44 on the scraper shell 16 is positioned and installed on the lower bracket 42. In this way, when the cleaning mechanism 7 is running, the bucket scraper plate 39 provides a stable working platform (working bracket) for the cleaning mechanism 7 to avoid shaking during the operation of the cleaning mechanism 7, which affects the cleaning effect. In addition, the bucket scraper plate 39, the scraper shell 16 and the scissors frame support mechanism 32 work together to provide an effective and stable working environment for the cleaning mechanism 7, improve the working stability of the cleaning mechanism 7, and indirectly improve the cleaning effect. Specific implementation eight:

[0090] In conjunction with the instruction manual Figure 5 , Fig.16 , Fig.17 , Figure 20-24As shown, this embodiment is described. A chain bucket type unloading cleaning integrated device of this embodiment also includes an auxiliary collection baffle assembly 45, which is slidably installed in the storage frame 6. The auxiliary collection baffle assembly 45 includes an outer frame 46, an inner frame 47 and a shovel plate 48. The outer frame 46 is slidably installed in the storage frame 6. The outer frame 46 is connected and installed with the storage frame 6 through a first lifting cylinder 49. The inner frame 47 is slidably installed in the outer frame 46. The inner frame 47 is connected and installed with the outer frame 46 through a second lifting cylinder 50. The shovel plate 48 is hingedly installed at the bottom of the inner frame 47. A rotating cylinder 51 is also installed on the inner frame 47 and the shovel plate 48. With such arrangement, at the end of the synchronous unloading and cleaning operation, due to the right-angled corner at the bottom of the truck (carriage) to be unloaded, the bulk materials (coal) at the corner of the truck (carriage) to be unloaded are piled up, resulting in the problem of being unable to be completely unloaded. The auxiliary collection baffle assembly 45 of this embodiment can cooperate with the chain bucket mechanism 4 and the cleaning mechanism 7 to clear the remaining bulk materials at the corner. The specific method is: when the chain bucket mechanism 4 moves to the corner area, the first lifting cylinder 49 pushes the outer frame 46 out of the storage frame 6, and the second lifting cylinder 50 pushes the inner frame 47 out of the outer frame 46. The shovel plate 48 is close to the inner wall of the truck to be unloaded and falls in a vertical direction. Fig.24 and Fig.25 As shown, until the bottom surface of the shovel plate 48 contacts the bottom surface of the truck to be unloaded, the rotating cylinder 51 is actuated, and the rotating cylinder 51 drives the shovel plate 48 to rotate relative to the inner frame 47, shoveling up the material 52 at the right angle corner of the bottom of the truck to be unloaded, and the shoveled material 52 is collected by the bucket of the chain bucket mechanism 4 to complete the unloading operation. The auxiliary collection baffle assembly 45 can completely remove the bulk materials accumulated at the corners of the carriage, reduce the labor intensity of manual unloading, and avoid the harsh working environment. In addition, the auxiliary collection baffle assembly 45 is installed in the outer frame 46 in a sliding manner to realize the auxiliary digging / excavation of the accumulated materials at the corners in the synchronous state of the unloading operation, which overcomes the problem that the unloading process may be temporarily stopped, resulting in reduced production efficiency, improves the working efficiency, and reduces the unloading cost for the user. Specific implementation method nine:

[0092] In conjunction with the instruction manual Figure 1-Figure 25 , explaining this embodiment, a chain bucket type unloading car cleaning method disclosed in this embodiment is implemented based on a chain bucket type unloading car cleaning integrated device, and includes the following steps:

[0093] Step S1, control the gantry 1 to move to the end of the truck to be unloaded, and adjust the position of the chain bucket lifting and reclaiming mechanism 2 on the gantry 1 so that the lifting and reclaiming mechanism 2 is directly above the truck to be unloaded;

[0094] Step S2, controlling the chain bucket mechanism 4 in the chain bucket lifting and taking mechanism 2 to fall, and the bucket 27 in the chain bucket mechanism 4 digs the bulk material from one end of the truck to be unloaded, until the bulk material at the end of the truck to be unloaded is emptied;

[0095] Step S3, controlling the gantry 1 to move forward so that the bulk materials dug by the chain bucket mechanism 4 can leave a working space for the cleaning mechanism 7;

[0096] Step S4, extending the cleaning mechanism 7 from the storage frame 6, and making the vertical brush mechanism 14 of the cleaning mechanism 7 fit the inner wall of the end of the truck to be unloaded;

[0097] Step S5, start the cleaning mechanism 7, the vertical brush mechanism 14 of the cleaning mechanism 7 rotates to clean the inner wall of the truck to be unloaded, and cleans the bulk materials remaining on the inner wall to the bottom of the truck to be unloaded. At the same time, start the scraper mechanism 13, and the scraper mechanism 13 lifts the cleaned bulk materials through the reciprocating scraper 21 and throws them into the working area of ​​the chain bucket mechanism 4 through the material throwing port 22, and unloads the materials onto the first conveying mechanism 8 when the chain bucket mechanism 4 is in the working state.

[0098] The process also includes step S6, controlling the gantry 1 to drive the chain bucket mechanism 4 and the cleaning mechanism 7 to move smoothly toward the other end of the truck to be unloaded. When the chain bucket mechanism 4 moves to the corner area, the first lifting cylinder 49 pushes the outer frame 46 out of the storage frame 6, and the second lifting cylinder 50 pushes the inner frame 47 out of the outer frame 46. The shovel plate 48 is close to the inner wall of the truck to be unloaded and falls in a vertical direction. Fig.23 and Fig.24 As shown, until the bottom surface of the shovel plate 48 contacts the bottom surface of the truck to be unloaded, the rotating cylinder 51 is actuated, and the rotating cylinder 51 drives the shovel plate 48 to rotate relative to the inner frame 47, scooping up the material 52 at the right angle corner of the bottom of the truck to be unloaded, and the scooped material 52 is collected by the bucket of the chain bucket mechanism 4 to complete the unloading operation.

[0099] In this embodiment, the number of chain buckets installed in the chain bucket mechanism 4 is 40-60, and the volume of the chain bucket is 0.3-1.0 (m 3 ), the chain bucket will grab the coal or other bulk materials in the carriage through movement and gradually move to the unloading position. Take the C70XY general-purpose open car as an example. The load capacity of this open car is 70 tons and the volume is 77 (m 3 ), the chain bucket unloader using the unloading method of this embodiment has a working efficiency of: unloading 200-500 tons (t / h) per hour, and can unload about 5 to 8 open wagons per hour, while solving the problem of manual clearing operations. Specific implementation method ten:

[0101] In conjunction with the instruction manual Figure 1-Figure 25, explaining this embodiment, a chain bucket type unloading car cleaning method disclosed in this embodiment is implemented based on a chain bucket type unloading car cleaning integrated device, and includes the following steps:

[0102] Step 1: Control the gantry 1 to move to the end of the truck to be unloaded, and adjust the position of the chain bucket lifting and reclaiming mechanism 2 on the gantry 1 so that the lifting and reclaiming mechanism 2 is directly above the truck to be unloaded;

[0103] Step 2: Control the chain bucket mechanism 4 in the chain bucket lifting and material taking mechanism 2 to fall, and the bucket 27 in the chain bucket mechanism 4 starts from one end of the truck to be unloaded, such as Fig.25 As shown, the bulk materials are dug out layer by layer until the last layer of bulk materials is dug out, the cleaning mechanism 7 extends from the storage frame 6 and makes the vertical brush mechanism 14 of the cleaning mechanism 7 fit the inner wall of the end of the truck to be unloaded; according to the capacity of the truck to be unloaded, the bulk materials in the truck to be unloaded are divided into 3-5 layers and unloaded layer by layer;

[0104] Step three, start the cleaning mechanism 7, the vertical brush mechanism 14 of the cleaning mechanism 7 rotates to clean the inner wall of the truck to be unloaded, and cleans the bulk materials remaining on the inner wall to the bottom of the truck to be unloaded. At the same time, start the scraper mechanism 13, and the scraper mechanism 13 lifts the cleaned bulk materials through the reciprocating scraper 21 and throws them into the working area of ​​the chain bucket mechanism 4 through the material throwing port 22, and unloads the materials onto the first conveying mechanism 8 when the chain bucket mechanism 4 is in the working state.

[0105] The process also includes step 4, controlling the gantry 1 to drive the chain bucket mechanism 4 and the cleaning mechanism 7 to move smoothly toward the other end of the truck to be unloaded. When the chain bucket mechanism 4 moves to the corner area, the first lifting cylinder 49 pushes the outer frame 46 out of the storage frame 6, and the second lifting cylinder 50 pushes the inner frame 47 out of the outer frame 46. The shovel plate 48 is close to the inner wall of the truck to be unloaded and falls in a vertical direction. Fig.24 and Fig.25 As shown, until the bottom surface of the shovel plate 48 contacts the bottom surface of the truck to be unloaded, the rotating cylinder 51 is actuated, and the rotating cylinder 51 drives the shovel plate 48 to rotate relative to the inner frame 47, scooping up the material 52 at the right angle corner of the bottom of the truck to be unloaded, and the scooped material 52 is collected by the bucket of the chain bucket mechanism 4 to complete the unloading operation.

[0106] In this embodiment, the bulk materials in the truck are unloaded layer by layer. During the unloading process, the capacity of the truck to be unloaded in step 2 is used to divide the bulk materials in the truck to be unloaded into 3-5 layers for unloading layer by layer. The unloading thickness decreases layer by layer to reduce the workload of the last layer (unloading and cleaning workload). The unloading method of this embodiment has the following advantages:

[0107] 1. Layer-by-layer unloading can more accurately control the unloading amount of each layer of materials, avoiding overflow or waste caused by too fast or too violent unloading during the unloading process;

[0108] 2. For some fragile or easily damaged materials (such as granular materials), unloading layer by layer can reduce the impact force and avoid excessive impact or damage to the materials caused by one-time unloading;

[0109] 3. Layer-by-layer unloading helps ensure uniformity of materials during unloading, avoiding uneven accumulation of materials in the carriage, which may lead to unloading difficulties or the need for additional cleaning;

[0110] 4. When the materials are relatively loose, unloading at one time may lead to collapse and accumulation. Unloading layer by layer can avoid this situation and improve the smoothness of unloading. When collapse and accumulation occur in the way of unloading at one time, the collapsed and accumulated materials will overflow into the working area of ​​the cleaning mechanism 7, causing the workload of the cleaning mechanism 7 to increase, which violates the original intention of the cleaning mechanism 7 as a cleaning task, resulting in reduced cleaning efficiency and cleaning effect. Unloading layer by layer can solve the above problems.

[0111] 5. Layer-by-layer unloading helps operators better control the unloading process and reduce safety hazards caused by hasty or uneven unloading;

[0112] 6. Finally, layer-by-layer unloading can reduce the flying or scattering of materials during the unloading process, thereby reducing environmental pollution on site and keeping the work area clean.

[0113] The embodiments of the present invention are described above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned specific implementation modes, which are merely illustrative rather than restrictive. Under the guidance of the present invention, ordinary technicians in this field can also make many forms without departing from the scope of protection of the present invention and the claims, all of which are within the protection of the present invention.

Claims

1. A chain bucket type truck unloading and cleaning integrated equipment, characterized in that: include: A gantry (1), wherein a walking mechanism (28) is installed at the bottom of the gantry (1) for driving the gantry (1) to walk on a track on the ground; A chain bucket lifting and reclaiming mechanism (2) is slidably mounted on the door frame (1) and is used to dig out bulk materials, comprising a guide frame (3) and a chain bucket mechanism (4) mounted on the guide frame (3); The cleaning and collecting mechanism (5) comprises a storage frame (6) and a cleaning mechanism (7); the storage frame (6) is mounted on the guide frame (3), and the cleaning mechanism (7) is slidably mounted in the storage frame (6).

2. The chain bucket type truck unloading and cleaning integrated equipment according to claim 1, characterized in that: A first conveying mechanism (8) is installed on the door frame (1).

3. A chain bucket type truck unloading and cleaning integrated equipment according to claim 1 or 2, characterized in that: It also includes a second conveying mechanism (9), one end of which is hinged on the door frame (1), and a suspension rope (10) is installed on the door frame (1), and the suspension rope (10) is connected to the other end of the second conveying mechanism (9).

4. A chain bucket type truck unloading and cleaning integrated equipment according to claim 1 or 2, characterized in that: The cleaning mechanism (7) comprises a scissor frame (11), a lifting frame (12), a scraper mechanism (13) and a vertical brush mechanism (14); one end of the scissor frame (11) is mounted on a storage frame (6), and the other end is mounted with the lifting frame (12); the scraper mechanism (13) is mounted at the lower end of the lifting frame (12); and the vertical brush mechanisms (14) are mounted on both sides of the scraper mechanism (13).

5. The chain bucket type truck unloading and cleaning integrated equipment according to claim 4, characterized in that: A first oil cylinder (15) is installed on the storage frame (6), and an output end of the first oil cylinder (15) is connected to the scissor frame (11) to realize the storage or extension of the scissor frame (11) in the storage frame (6).

6. The chain bucket type truck unloading and cleaning integrated equipment according to claim 4, characterized in that: The scraper mechanism (13) comprises a scraper housing (16), a motor (17), an active scraper sprocket (18), a driven scraper sprocket (19), a scraper chain (20) and a scraper (21); the upper portion of the scraper housing (16) is provided with a material ejection port (22); the motor (17) is mounted on the upper end of the scraper housing (16); the active scraper sprocket (18) is mounted on the motor (17); the driven scraper sprocket (19) is mounted on the lower end of the scraper housing (16) via a rotating shaft and a bearing seat; the active scraper sprocket (18) and the driven scraper sprocket (19) are connected and mounted via a scraper chain (20); and a plurality of scrapers (21) are mounted on the scraper chain (20).

7. The chain bucket type truck unloading and cleaning integrated equipment according to claim 4, characterized in that: The vertical brush mechanism (14) comprises a vertical brush rotating motor (23), a vertical brush (24), a vertical brush rotating frame (25) and a corner brush (26); the vertical brush rotating frame (25) is mounted on the side wall of the scraper mechanism (13); the vertical brush (24) is mounted on the vertical brush rotating frame (25) through a bearing seat; the vertical brush rotating frame (25) is also mounted with the vertical brush rotating motor (23); the upper end of the vertical brush (24) is mounted in cooperation with the vertical brush rotating motor (23); and the lower end of the vertical brush (24) is mounted with the corner brush (26).

8. The chain bucket type truck unloading and cleaning integrated equipment according to claim 1 or 2, characterized in that: The chain bucket mechanism (4) comprises a hopper (27) fixed on the chain. Driven by the active roller, the hopper (27) at the bottom scoops up materials and rises to the top along with the chain, and unloads the materials onto the first conveying mechanism (8) by turning over.

9. A chain bucket type unloading vehicle cleaning method, which is implemented based on a chain bucket type unloading vehicle cleaning integrated device according to any one of claims 1 to 8, characterized in that: The following steps are involved: Step S1, controlling the gantry (1) to move to the end of the truck to be unloaded, and adjusting the position of the chain bucket lifting and reclaiming mechanism (2) on the gantry (1) so that the lifting and reclaiming mechanism 2 is located directly above the truck to be unloaded; Step S2, controlling the chain bucket mechanism (4) in the chain bucket lifting and taking mechanism (2) to fall, so that the hopper (27) in the chain bucket mechanism (4) deeply digs the bulk material from one end of the truck to be unloaded, until the bulk material at the end of the truck to be unloaded is emptied; Step S3, controlling the gantry (1) to move so that the bulk materials dug by the chain bucket mechanism (4) can leave a working space for the cleaning mechanism (7); Step S4, extending the cleaning mechanism (7) from the storage frame (6), and making the vertical brush mechanism (14) of the cleaning mechanism (7) fit the inner wall of the end of the truck to be unloaded; Step S5, start the cleaning mechanism (7), the vertical brush mechanism (14) of the cleaning mechanism (7) rotates to clean the inner wall of the truck to be unloaded, and cleans the bulk materials remaining on the inner wall to the bottom of the truck to be unloaded. At the same time, start the scraper mechanism (13), the scraper mechanism (13) lifts the cleaned bulk materials through the reciprocating scraper (21) and throws them into the working area of ​​the chain bucket mechanism (4) through the material throwing port (22), and unloads the materials onto the first conveying mechanism (8) when the chain bucket mechanism (4) is in the working state.

10. A chain bucket type unloading vehicle cleaning method, which is implemented based on a chain bucket type unloading vehicle cleaning integrated device according to any one of claims 1 to 8, characterized in that: The following steps are involved: Step 1: Control the gantry (1) to move to the end of the truck to be unloaded, and adjust the position of the chain bucket lifting and reclaiming mechanism (2) on the gantry (1) so that the lifting and reclaiming mechanism 2 is directly above the truck to be unloaded; Step 2: Control the chain bucket mechanism (4) in the chain bucket lifting and material taking mechanism (2) to fall, and the material bucket (27) in the chain bucket mechanism (4) starts from one end of the truck to be unloaded, and digs out the bulk materials layer by layer, until the last layer of bulk materials is dug out, and the cleaning mechanism (7) extends from the storage frame (6) and makes the vertical brush mechanism (14) of the cleaning mechanism (7) fit the inner wall of the end of the truck to be unloaded; Step 3: Start the cleaning mechanism (7), and the vertical brush mechanism (14) of the cleaning mechanism (7) rotates to clean the inner wall of the truck to be unloaded, and clean the bulk materials remaining on the inner wall to the bottom of the truck to be unloaded. At the same time, start the scraper mechanism (13), and the scraper mechanism (13) lifts the cleaned bulk materials through the reciprocating scraper (21) and throws them into the working area of ​​the chain bucket mechanism (4) through the material throwing port (22), and when the chain bucket mechanism (4) is in the working state, the materials are unloaded onto the first conveying mechanism (8).

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