Coal car hopper coal scraping device and coal car

Abstract

The coal car hopper coal scraping device comprises a scraping plate, a sliding mechanism, a driving mechanism and a vibration mechanism, the coal car hopper coal scraping device drives the scraping plate to reciprocate in the discharging direction of a car hopper through the driving mechanism, and the coal car hopper coal scraping device is matched with the vibration mechanism arranged at the bottom of the scraping plate to form a double-cleaning structure. When the device works, the scraping plate can directly scrape residual coal on the inner wall and a bottom plate of the car hopper, meanwhile, the transmission assembly can move along with the scraping plate to drive the vibration rod to continuously knock the bottom plate of the car hopper in a reciprocating mode, the car hopper generates high-frequency vibration, and therefore adhesion of coal slime and the surface of the car hopper is effectively damaged; therefore, it is ensured that vibration energy is intensively transmitted to an adhesion area, deep cleaning of the car hopper is achieved, thoroughness of coal unloading is remarkably improved, the requirement for manual cleaning is reduced, and the car hopper has the advantages of being simple in structure, convenient to maintain and reliable in operation.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of coal mining and transportation, in particular to a coal truck hopper coal scraping device and a coal truck. BACKGROUND

[0002] In the field of coal mining and transportation, the coal truck hopper is a key equipment for coal transfer, and its design rationality directly affects the transportation efficiency and operation safety. The existing coal truck hopper needs to realize the rapid loading and unloading of coal during operation, and its core functional requirements include ensuring that the coal does not scatter during transportation, completely unloading the load when dumping, and facilitating daily maintenance and cleaning. Especially in large-scale operation scenes such as open-pit coal mines, the unloading efficiency of the truck hopper directly affects the continuity of the overall mining operation.

[0003] Traditional coal truck hoppers mostly adopt fixed metal structures and realize side or rear dumping by hydraulic lifting mechanisms. However, this structure has obvious defects in actual use. The bottom of the truck hopper and the side plate are usually welded at a right angle, and coal is easily accumulated at the corner during unloading. After long-term operation, the residual coal mixed with rainwater or moisture adheres to the coal slime on the truck hopper, which is difficult to clean. Not only does it reduce the effective load, but it also accelerates the corrosion of the truck hopper bottom plate, affecting the service life of the equipment. In addition, due to the large size of the coal truck hopper, manual cleaning is not only time-consuming and labor-intensive, but also has certain safety risks.

[0004] Therefore, there is an urgent need for a new coal truck hopper coal scraping device and coal truck to solve the above technical problems. SUMMARY

[0005] In view of the problems existing in the prior art, one of the purposes of the present application is to provide a coal truck hopper coal scraping device for scraping coal from the truck hopper of a coal truck, which comprises: a scraper plate, which is slidingly arranged in the truck hopper; a sliding mechanism, which is slidingly connected with the truck hopper and fixedly connected with the scraper plate; a driving mechanism, which is fixed to the truck hopper and can drive the sliding mechanism to reciprocate the scraper plate along the unloading direction of the truck hopper; a vibration mechanism, which comprises a vibration frame, a transmission assembly, and a vibration rod, the vibration frame is fixed to the bottom of the scraper plate, the transmission assembly is fixed to one side of the vibration frame close to the bottom of the truck hopper, and the transmission assembly is in contact with the truck hopper, the vibration rod is slidingly connected with the vibration frame, and the transmission assembly can drive the vibration rod to knock the truck hopper when the scraper plate moves along the truck hopper.

[0006] In one embodiment, the transmission assembly includes a rotating wheel and at least one boss, the rotating wheel is fixed to the bottom of the scraper, at least one boss is fixed to one side of the rotating wheel, a vibration rod slide is fixedly provided on the vibration frame, the vibration rod is slidably arranged in the vibration rod slide, a first elastic member is provided in the vibration rod slide, one end of the first elastic member abuts against the top wall of the vibration rod slide, and the other end of the first elastic member abuts against the top of the vibration rod, a vibration groove is further provided on the vibration frame, a vibration rod slider is provided on the vibration rod, the vibration rod slider is slidably arranged in the vibration groove, and the vibration rod slider is in contact with the side wall of the boss; When the scraper moves along the bucket, the rotating wheel can rotate along the bucket, and the boss rotates to compress or release the first elastic member, so that the first elastic member drives the vibration rod to retract or knock the bucket.

[0007] In one embodiment, a second elastic member is provided on a side of the vibration frame away from the transmission assembly, the other end of the second elastic member is fixedly connected to the scraper, and the second elastic member has a tendency to drive the transmission assembly closer to the bucket.

[0008] In one embodiment, a water spraying mechanism is further included, which includes at least one water storage tank and at least one nozzle. The water storage tank and the nozzle are both fixed to the top of the scraper, and the nozzle is connected to the water storage tank. The nozzle is used to flush impurities in the truck bucket.

[0009] In one embodiment, the water spraying mechanism includes a water inlet assembly, which includes a water inlet pipe and a one-way water valve. The water inlet pipe is connected to the water storage tank, and the one-way water valve is arranged at one end of the water inlet pipe away from the water storage tank. A water tank is fixed on the truck bed, and the water tank is provided with a water pipe channel. The one-way water valve can be connected to the water pipe to allow the water in the water tank to enter the water storage tank through the water inlet pipe.

[0010] In one embodiment, an inflation mechanism is further included, which is fixed to the sliding mechanism. The water spraying mechanism also includes a piston plate, a third elastic member and a connecting pipe. The piston plate is slidably arranged in the water storage tank. The piston plate divides the water storage tank into a water chamber and an air chamber. The water chamber is connected to the nozzle through the connecting pipe. The inflation mechanism is connected to the air chamber through an air inlet pipe. The inflation mechanism can fill gas into the air chamber. The third elastic member is arranged in the air chamber. The third elastic member has a tendency to drive the piston plate away from the connecting pipe.

[0011] In one embodiment, the inflating mechanism comprises a pneumatic rod sleeve, a pneumatic rod and a fourth elastic member, one end of the pneumatic rod sleeve is fixed to the sliding mechanism, the other end of the pneumatic rod sleeve is sleeved outside the pneumatic rod, one end of the pneumatic rod away from the pneumatic rod sleeve is inserted into the sliding column, and the pneumatic rod and the sliding column enclose a pneumatic cavity, the fourth elastic member is arranged between the pneumatic rod sleeve and the pneumatic rod, and the two ends of the fourth elastic member abut against the top of the pneumatic rod sleeve and the bottom of the pneumatic rod respectively. The bottom surface of the car hopper is inclined, and when the scraper moves in the discharge direction of the car hopper, the gas in the pneumatic cavity can enter the air cavity, so that the piston plate extrudes the water in the water cavity to the spray head for spraying.

[0012] In one embodiment, the driving mechanism comprises a driving member, a driving shaft, at least one first rotating wheel, at least one second rotating wheel and at least one transmission belt, the driving motor is fixed to the car hopper, the driving seat is fixedly arranged on the car hopper, the driving shaft is rotatably arranged on the driving seat, the driving shaft is connected with the output end of the driving member, at least one end of the driving shaft is fixed with the first rotating wheel, the second rotating wheel is rotatably arranged on one end of the side wall of the car hopper close to the discharge port of the car hopper, the first rotating wheel and the second rotating wheel are drivingly connected through the transmission belt, and the sliding mechanism is fixedly connected with the transmission belt.

[0013] In one embodiment, the sliding mechanism comprises a connecting rod and a positioning plate, the driving mechanism further comprises a connecting block, the connecting block is fixedly connected with the transmission belt, the connecting rod is fixedly connected with the connecting block, the top of the side wall of the car hopper is provided with a sliding rail, the positioning plate is slidingly connected with the sliding rail, one end of the positioning plate is fixedly connected with the connecting rod, and the other end of the positioning plate is fixedly connected with the scraper.

[0014] The application also provides a coal transport vehicle, which comprises a car hopper and the coal transport vehicle hopper coal scraping device.

[0015] Compared with the prior art, the advantage of the present invention is that the embodiment of the present application provides a coal scraping device for a coal transport bucket and a coal transport truck, the coal scraping device for a coal transport bucket including a scraper, a sliding mechanism, a driving mechanism and a vibration mechanism. The driving mechanism drives the scraper to reciprocate along the direction of the bucket unloading, and cooperates with the vibration mechanism provided at the bottom of the scraper to form a double cleaning structure. When the device is working, the scraper can directly scrape off the residual coal on the inner wall and bottom plate of the bucket. At the same time, the transmission assembly can move with the scraper to drive the vibration rod to continuously reciprocate and strike the bottom plate of the bucket, so that the bucket generates high-frequency vibration, thereby effectively destroying the adhesion of coal slime to the surface of the bucket. In addition, the vibration frame and the sliding mechanism cooperate to ensure that the vibration energy is concentratedly transmitted to the adhesion area, thereby achieving deep cleaning of the bucket, significantly improving the thoroughness of coal unloading, reducing the need for manual cleaning, and having the characteristics of simple structure, easy maintenance and reliable operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A perspective view of a coal scraping device for a coal truck provided in some embodiments of the present application; Figure 2 A front view of a coal scraping device for a coal truck provided in some embodiments of the present application; Figure 3 A left side view of a coal scraping device for a coal truck provided in some embodiments of the present application; Figure 4 for Figure 2 Cross-sectional view at AA in the middle; Figure 5 for Figure 4 Cross-sectional view at the middle BB; Figure 6 for Figure 4 A partial enlarged view of point Ⅰ in the middle; Figure 7 for Figure 5 A partial enlarged view of the middle II; Figure 8 A schematic structural diagram of a vibration mechanism of a coal scraping device for a coal transport vehicle provided in some embodiments of the present application; Figure 9 for Figure 8 Cross-sectional view at CC; Figure 10 for Figure 9 Cross-sectional view at DD in the middle; Figure 11 A schematic structural diagram of a connecting block of a coal scraping device for a coal transport vehicle provided in some embodiments of the present application.

[0017] Reference numerals: 1. Cargo box; 11. Slide rail; 12. Drive seat; 13. Rotating shaft; 14. Water tank; 141. Water tank connector; 15. Water pipe channel; 2, drive mechanism; 21, drive piece; 22, drive shaft; 221, transmission wheel; 23, first rotating wheel; 24, second rotating wheel; 25, transmission belt; 26, connecting block; 261, fixed rod; 262, insertion hole; 3, scraper; 31, sliding column; 32, air pressure cavity; 33, air guide pipe; 34, wheel groove; 4, sliding mechanism; 41, positioning plate; 42, inflation mechanism; 421, air pressure rod sleeve; 422, air cavity rod; 423, fourth elastic member; 43, connecting rod; 5, water spraying mechanism; 51, water storage tank; 52, piston plate; 521, third elastic member; 53, connecting pipe; 531, water inlet pipe; 532, one-way water valve; 533, sealing baffle; 54, spray head; 6, vibration mechanism; 61, vibration frame; 611, second elastic member; 612, vibration rod sliding seat; 613, vibration sliding groove; 62, rotating wheel; 621, boss; 63, vibration rod; 631, elastic base; 632, vibration rod sliding block; 633, first elastic member. DETAILED DESCRIPTION

[0018] In order to make the above objectives, features and advantages of the present application more apparent, a detailed description of the specific embodiments of the present application will be given below with reference to the accompanying drawings. In the following description, a large number of specific details are set forth in order to provide a sufficient understanding of the present application. However, the present application can be implemented in many different ways other than those described herein, and those skilled in the art can make similar improvements without departing from the spirit of the present application, so the present application is not limited to the specific embodiments disclosed below.

[0019] In the description of the present application, it should be understood that if these terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0020] In addition, the terms "first", "second", and the like, if any, are used herein for descriptive purposes only and should not be construed as indicating or implying relative importance or implicating the number of indicated technical characteristics. Thus, a feature defined with the terms "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the term "plurality" means at least two, for example two, three, etc., unless otherwise explicitly specified and limited.

[0021] In the present application, unless otherwise explicitly specified and limited, if the terms "mounting", "connecting", "connecting", "fixing" and the like appear, these terms should be interpreted broadly. For example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0022] In the present application, unless otherwise explicitly specified and limited, if the first feature is described as "on" or "under" the second feature and the like, it can mean that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be the first feature directly above or obliquely above the second feature, or it can only mean that the first feature is higher than the second feature in horizontal height. The first feature "below", "below" and "below" the second feature can be the first feature directly below or obliquely below the second feature, or it can only mean that the first feature is lower than the second feature in horizontal height.

[0023] It should be noted that if an element is referred to as "fixed to" or "disposed on" another element, it can be directly on another element or there can be a middle element. If an element is considered to be "connected" to another element, it can be directly connected to another element or there can be a middle element. If present, the terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used in the present application are only for illustrative purposes and do not represent the only implementation.

[0024] The present application will be further described below with reference to the accompanying drawings.

[0025] In the first aspect, see Figures 1-5The embodiment of the present application provides a coal car hopper 1 coal scraping device, which is used for scraping coal in a coal car hopper 1, and comprises a scraper 3, a sliding mechanism 4, a driving mechanism 2 and a vibration mechanism 6. The scraper 3 is slidably arranged in the coal car hopper 1. The sliding mechanism 4 is slidably connected with the coal car hopper 1. The sliding mechanism 4 is fixedly connected with the scraper 3. The driving mechanism 2 is fixed to the coal car hopper 1. The driving mechanism 2 can drive the sliding mechanism 4 to drive the scraper 3 to reciprocate along the discharging direction of the coal car hopper 1. The vibration mechanism 6 comprises a vibration frame 61, a transmission assembly and a vibration rod 63. The vibration frame 61 is fixed to the bottom of the scraper 3. The transmission assembly is fixed to one side of the vibration frame 61 close to the bottom of the coal car hopper 1 and is in contact with the coal car hopper 1. The vibration rod 63 is slidably connected with the vibration frame 61. When the scraper 3 moves along the coal car hopper 1, the transmission assembly can drive the vibration rod 63 to knock the coal car hopper 1.

[0026] The coal car hopper 1 coal scraping device provided in the embodiment of the present application drives the scraper 3 to reciprocate along the discharging direction of the coal car hopper 1 through the driving mechanism 2, and cooperates with the vibration mechanism 6 arranged at the bottom of the scraper 3 to form a double cleaning structure. When the device works, the scraper 3 can directly scrape the residual coal in the inner wall and the bottom plate of the coal car hopper 1. Meanwhile, the transmission assembly can move with the scraper 3 to drive the vibration rod 63 to continuously reciprocate and knock the bottom plate of the coal car hopper 1, so that the coal car hopper 1 generates high-frequency vibration, thereby effectively destroying the adhesion of the coal slurry and the surface of the coal car hopper 1. In addition, the vibration frame 61 and the sliding mechanism 4 are cooperatively matched, so as to ensure that the vibration energy is concentrated and transmitted to the adhesion area, realize the deep cleaning of the coal car hopper 1, significantly improve the thoroughness of coal unloading, reduce the need for manual cleaning, and have the characteristics of simple structure, convenient maintenance and reliable operation.

[0027] As shown in Figure 4 , Figure 5 , Figure 8 , Figure 9 and Figure 10 , in some embodiments, the transmission assembly comprises a rotating wheel 62 and at least one boss 621. The rotating wheel 62 is fixed to the bottom of the scraper 3. The at least one boss 621 is fixed to one side of the rotating wheel 62. A vibration rod sliding seat 612 is fixedly arranged on the vibration frame 61. The vibration rod 63 is slidably arranged in the vibration rod sliding seat 612. A first elastic member 633 is arranged in the vibration rod sliding seat 612. One end of the first elastic member 633 is in abutment with the top wall of the vibration rod sliding seat 612. The other end of the first elastic member 633 is in abutment with the top of the vibration rod 63. A vibration sliding groove 613 is also formed in the vibration frame 61. A vibration rod sliding block 632 is arranged on the vibration rod 63 and is slidably arranged in the vibration sliding groove 613. The vibration rod sliding block 632 is in abutment with the side wall of the boss 621. When the scraper 3 moves along the coal car hopper 1, the rotating wheel 62 can rotate along the coal car hopper 1. The boss 621 compresses or releases the first elastic member 633, so that the first elastic member 633 drives the vibration rod 63 to recover or knock the coal car hopper 1.

[0028] When the scraper 3 moves along the hopper 1, the rotating wheel 62 fixed to the bottom of the scraper 3 rolls along the bottom plate of the hopper 1, driving the boss 621 to rotate synchronously. During the rotation, the boss 621 extrudes the vibration rod slider 632, so that the vibration rod 63 reciprocally slides in the vibration rod sliding seat 612. In addition, the first elastic member 633 is alternately compressed or released under the periodic action of the boss 621, providing continuous power for the vibration rod 63 to produce regular reciprocating knocking action. In addition, by converting the linear motion of the scraper 3 into vertical knocking action of the vibration rod 63, the cleaning of the bottom plate of the hopper 1 can be realized without adding an additional power source, which is suitable for long-term use in harsh working conditions such as coal mines, and makes maintenance more simple, energy-saving and environmentally friendly.

[0029] In the embodiment of the present application, the boss 621 includes two, and the two bosses 621 are fixed on both sides of the rotating wheel 62.

[0030] By symmetrically arranging the two bosses 621 on both sides of the rotating wheel 62, more stable and efficient vibration cleaning effect can be achieved, and not only the vibration frequency can be improved, but also the uniform distribution of vibration force can be ensured, effectively avoiding the problem of concentrated side wear of the equipment caused by unilateral impact.

[0031] In addition, the two bosses 621 can be arranged to alternately act on the vibration rod slider 632 when the rotating wheel 62 rotates with the movement of the scraper 3, so that the vibration rod 63 can obtain double reciprocating knocking frequency, and the vibration rod 63 is always in an alternating stress state, so that the first elastic member 633 can be continuously compressed and released, producing more coherent vibration effect, and the coal slurry on the bottom plate of the hopper 1 can be completely removed. At the same time, the load of a single boss 621 is reduced, the service life of the device is prolonged, the operation of the whole mechanism is more stable and reliable, the cleaning effect is guaranteed, the durability and maintenance convenience of the equipment are further improved.

[0032] In the embodiment of the present application, the bottom of the scraper 3 is provided with a wheel groove 34, and the transmission mechanism is fixed in the wheel groove 34.

[0033] In the embodiment of the present application, the end of the vibration rod 63 in contact with the hopper 1 is fixedly provided with an elastic base 631.

[0034] As shown in Figure 4 , Figure 5 , Figure 8 and Figure 10 , in some embodiments, the second elastic member 611 is arranged on the side of the vibration frame 61 away from the transmission assembly, the other end of the second elastic member 611 is fixedly connected with the scraper 3, and the second elastic member 611 has a tendency to drive the transmission assembly to approach the hopper 1.

[0035] By setting the second elastic member 611 between the vibration frame 61 and the scraper 3, the second elastic member 611 can continuously exert pressure on the vibration frame 61 towards the bottom plate of the hopper 1, thereby ensuring that the transmission assembly and the surface of the hopper 1 are always in stable contact, effectively compensating for possible slight unevenness of the hopper 1 bottom plate, allowing the rotating wheel 62 and the boss 621 to closely adhere to the working surface, ensuring that the vibration energy is fully transmitted. In addition, the preset pressure of the second elastic member 611 can enable the entire vibration mechanism 6 to have self-adaptive adjustment capability, automatically adapting to different degrees of wear and deformation during equipment operation, thereby maintaining constant knocking force At the same time, the second elastic member 611 can also play a buffering role, reducing the impact load when the vibration mechanism 6 moves, significantly enhancing the reliability and adaptability of the device, so that it can maintain cleaning effect under various working conditions.

[0036] As shown in Figure 1 , Figure 2 , Figure 4 , Figure 5 and Figure 6 , in some embodiments, a water spraying mechanism 5 is also included, which includes at least one water storage tank 51 and at least one spray head 54, both of which are fixed to the top of the scraper 3, and the spray head 54 is in communication with the water storage tank 51, and the spray head 54 is used to flush the impurities in the hopper 1.

[0037] By adding the water spraying mechanism 5 on the top of the scraper 3, the water spraying mechanism 5 works with the scraper 3 and the vibration mechanism 6 to form a composite cleaning system of mechanical scraping, vibration stripping and hydraulic flushing, achieving a triple cleaning effect on the hopper 1. And when the scraper 3 moves along the hopper 1, the spray head 54 continuously sprays water, which can effectively soften and flush the residual coal slime impurities in the hopper 1, especially for the fine particles and adhering impurities that are difficult to completely remove by the vibration mechanism 6 and the scraper 3, not only enhancing the overall cleaning effect, but also suppressing the flying of coal dust during the operation, improving the working environment.

[0038] In the embodiments of the present application, the spray head 54 and the water storage tank 51 are one-to-one corresponding and multiple, and the spray head 54 and the water storage tank 51 are both spaced along the length direction of the scraper 3.

[0039] As shown in Figure 1 , Figure 2 , Figure 4 , Figure 5 and Figure 6As shown, in some embodiments, the water spraying mechanism 5 comprises a water inlet assembly, which comprises a water inlet pipe 531 and a one-way water valve 532. The water inlet pipe 531 is in communication with the water storage tank 51, and the one-way water valve 532 is arranged at the end of the water inlet pipe 531 away from the water storage tank 51. The water tank 14 is fixed on the hopper 1, and the water tank 14 is provided with a water pipe passage 15. The one-way water valve 532 can be plugged with the water pipe passage 15, so that the water in the water tank 14 enters the water storage tank 51 through the water inlet pipe 531.

[0040] By setting the water inlet assembly in linkage with the water tank 14, the automatic water replenishment function of the water spraying mechanism 5 can be realized. When the scraper 3 moves to the water replenishment position, the water inlet pipe 531 is inserted into the water pipe passage 15, and the one-way water valve 532 is connected with the water pipe joint 15 of the water tank 14 to form a closed water supply system. By setting the one-way water valve 532, the backflow of water can be effectively prevented, and the stability and reliability of the water replenishment process of the water storage tank 51 can be ensured. In addition, the water spraying mechanism 5 can independently complete the water replenishment in the operation cycle, and can continuously provide washing water without manual intervention In addition, the plug-in connection between the water tank 14 and the water inlet assembly can ensure the sealing of the water supply and facilitate maintenance and repair. The entire water inlet process can be coordinated with the movement track of the scraper 3 to simplify the operation process and realize water replenishment, thereby significantly improving the automation degree and working efficiency of the device and making the cleaning operation of the hopper 1 more continuous and smooth.

[0041] In some embodiments, the water inlet assembly further comprises a sealing baffle 533 fixedly connected to the outer side of the end of the water inlet pipe 531 close to the joint of the water tank 14. The water tank 14 and the one-way water valve 532 are connected through the joint of the water tank 14.

[0042] By fixing the sealing baffle 533 on the outer side of the end of the water inlet pipe 531, efficient sealing and automatic connection of the one-way water valve 532 and the water tank 14 are realized. The sealing baffle 533 can move with the water inlet pipe 531 and automatically press the channel port of the joint of the water tank 14. The sealing baffle 533 tightly fits the interface to realize complete sealing, effectively preventing liquid leakage and pressure loss during water replenishment, thereby ensuring the sealing reliability of the water replenishment of the water storage tank 51 and not affecting the normal reciprocating movement of the scraper 3 system. At the same time, the sealing baffle 533 can also isolate the external environment and prevent impurities from entering the water supply system, thereby ensuring the long-term stable operation of the water spraying mechanism 5.

[0043] As shown in FIG. 6, the water tank 14 is provided with a water tank joint 141, and the one-way water valve 532 is connected with the water tank joint 141 through the water pipe passage 15. Figure 4 , Figure 5 and Figure 7As shown, in some embodiments, an inflation mechanism 42 is further included, and the inflation mechanism 42 is fixed to the sliding mechanism 4. The water spraying mechanism 5 also includes a piston plate 52, a third elastic member 521 and a connecting pipe 53. The piston plate 52 is slidably arranged in the water storage tank 51. The piston plate 52 divides the water storage tank 51 into a water cavity and an air cavity. The water cavity is connected to the nozzle 54 through the connecting pipe 53. The inflation mechanism 42 is connected to the air cavity through the air inlet pipe. The inflation mechanism 42 can fill gas into the air cavity. The third elastic member 521 is arranged in the air cavity. The third elastic member 521 has a tendency to drive the piston plate 52 away from the connecting pipe 53.

[0044] By providing a linkage structure between the inflating mechanism 42 and the piston plate 52, the water spray system automatically supplies water through air pressure. The inflating mechanism 42 injects air into the air chamber, pushing the piston plate 52 to move. This compresses the water chamber to generate spray pressure, causing water to flow through the connecting pipe 53 and be sprayed out of the nozzle 54.

[0045] Furthermore, after inflation, the third elastic member 521 uses its elastic restoring force to reset the piston plate 52, preparing for the next spray. This combination of air pressure and elastic return allows for precise control of the spray pressure, ensuring the flushing water has sufficient impact. Furthermore, the piston plate 52 separates water and gas, preventing gas from entering the water system and enabling automatic pressure water supply, thus enabling efficient flushing operations without the need for an additional power unit.

[0046] like Figure 4 、 Figure 5 and Figure 7 As shown, in some embodiments, the inflation mechanism 42 includes a pneumatic rod sleeve 421, a pneumatic rod 422 and a fourth elastic member 423, one end of the pneumatic rod sleeve 421 is fixed to the sliding mechanism 4, and the other end of the pneumatic rod sleeve 421 is sleeved on the outside of the pneumatic rod 422, and the end of the pneumatic rod 422 away from the pneumatic rod sleeve 421 is inserted into the sliding column 31, and the pneumatic rod 422 and the sliding column 31 enclose a pneumatic chamber 32, and the fourth elastic member 423 is arranged between the pneumatic rod sleeve 421 and the pneumatic rod 422, and the two ends of the fourth elastic member 423 are respectively abutted against the top of the pneumatic rod sleeve 421 and the bottom of the pneumatic rod 422; the bottom surface of the bucket 1 is inclined, and when the scraper 3 moves along the unloading direction of the bucket 1, the gas in the pneumatic chamber 32 can enter the air chamber through the air guide pipe 33, so that the piston plate 52 squeezes the water in the water chamber to the nozzle 54 for spraying.

[0047] Through the cooperation of the air pressure rod 422 and the sliding column 31, the linkage cooperation of the water spraying mechanism 5 and the scraper 3 is realized. The scraper 3 moves along the inclined hopper 1. The relative sliding compression of the air pressure rod 422 in the sliding column 31 compresses the air pressure cavity 32. The generated compressed gas is delivered to the air cavity of the water storage tank 51 through the air inlet pipe. The air pressure drives the piston plate 52 to move against the resistance of the third elastic member 521. The stable water pressure generated by the compression of the water cavity volume makes the water flow uniformly from the nozzle 54 through the connecting pipe 53.

[0048] In addition, when the scraper 3 returns to the initial position, the elastic restoring force of the fourth elastic member 423 drives the air pressure rod 422 to reset, preparing for the next compression of the air supply. Through the conversion of the linear motion of the scraper 3 into air pressure change and then the conversion of the air pressure energy into hydraulic energy by the piston plate 52, the automatic water spraying function without power source is realized. Thus, the water spraying pressure is ensured to be synchronized with the movement of the scraper 3, forming a compression-air pressure-hydraulic linkage cooperation structure.

[0049] As shown in FIGS. Figure 1 , Figure 2 and Figure 3 In some embodiments, the driving mechanism 2 includes a driving member 21, a driving shaft 22, at least one second rotating wheel 23, at least one second rotating wheel 24, and at least one transmission belt. The driving motor is fixed to the hopper 1. The driving seat 12 is fixedly arranged on the hopper 1. The driving shaft 22 is rotatably arranged on the driving seat 12. The driving shaft 22 is connected with the output end of the driving member 21. At least one end of the driving shaft 22 is fixed with the second rotating wheel 23. The second rotating wheel 24 is rotatably arranged on one end of the side wall of the hopper 1 close to the discharge port of the hopper 1. The second rotating wheel 23 and the second rotating wheel 24 are transmissionally connected through the transmission belt 25. The sliding mechanism 4 is fixedly connected with the transmission belt 25.

[0050] Through the cooperation of the driving member 21 and the transmission mechanism, the precise control of the reciprocating motion of the scraper 3 is realized. The driving member 21 drives the driving shaft 22 to drive the second rotating wheel 23 to rotate. The power is transmitted to the second rotating wheel 24 through the transmission belt. In addition, the sliding mechanism 4 is fixedly connected with the transmission belt, so as to convert the rotary motion of the rotating wheel 62 into the linear displacement of the scraper 3, so that the scraper 3 can stably move along the discharge direction of the hopper 1. The movement of the scraper 3 is stable and reliable, and the precise cooperation between the scraper 3 and the bottom surface of the hopper 1 is realized, providing a stable power basis for subsequent coal scraping and vibration cleaning. In addition, the driving seat 12 supports and fixes the driving shaft 22, thereby enhancing the rigidity of the system and effectively resisting vibration and impact in the operation process.

[0051] In the embodiments of the present application, the second rotating wheel 23 and the second rotating wheel 24 are both gears, and the transmission belt is a gear chain. Of course, in other embodiments, the second rotating wheel 23 and the second rotating wheel 24 can also be wheel belt pulleys, and the transmission belt can be a belt.

[0052] In addition, in the embodiment of the present application, two second rotating wheels 23 are respectively arranged, two second rotating wheels 24 are respectively arranged, and two conveyors are respectively arranged. The two second rotating wheels 23 are respectively fixed on the two ends of the driving shaft 22, and the two second rotating wheels 23, the two second rotating wheels 24 and the two conveyors are respectively located on the two sides of the scraper 3. The middle part of the driving shaft 22 is connected with the output end of the driving member 21 through the belt transmission.

[0053] The lateral moment when the scraper 3 moves is effectively balanced through the double-sided synchronous belt transmission, the problem of unbalanced load generated by single-side driving is avoided, the symmetric layout ensures that the forces on the two sides of the scraper 3 are uniform, the running track remains linear, and the stability and reliability of the coal scraping operation are significantly improved.

[0054] As shown in Figure 1 , Figure 5 , Figure 7 and Figure 11 , in some embodiments, the sliding mechanism 4 includes a connecting rod 43 and a positioning plate 41, the driving mechanism 2 further includes a connecting block 26 fixed on the transmission belt 25, the connecting rod 43 is fixedly connected with the connecting block 26, the top of the side wall of the hopper 1 is provided with a sliding rail 11, the positioning plate 41 is slidingly connected with the sliding rail 11, one end of the positioning plate 41 is fixedly connected with the connecting rod 43, and the other end of the positioning plate 41 is fixedly connected with the scraper 3.

[0055] Through the cooperation of the connecting rod 43 and the positioning plate 41, stable guidance and power transmission of the scraper 3 are realized. The connecting block 26 and the transmission belt are fixedly connected through the fixing rod 261 to transmit the rotary power of the driving mechanism 2 to the connecting rod 43. Through the sliding cooperation of the positioning plate 41 and the sliding rail 11, the movement of the transmission belt is converted into the linear displacement of the scraper 3, so that the sliding rail 11 can constrain the positioning plate 41, thereby ensuring that the scraper 3 moves smoothly along the predetermined track, and avoiding deviation or jamming during operation. In addition, the connecting structure between the connecting rod 43 and the positioning plate 41 can effectively transmit the driving force and bear the reaction force generated during the operation of the scraper 3. Through the cooperative work of the components of the sliding mechanism 4, the power transmission efficiency is ensured, and the relative position between the scraper 3 and the inner wall of the hopper 1 is maintained, so that the coal scraping operation can be carried out uniformly and smoothly.

[0056] In the embodiment of the present application, the connecting rod 43 is a plug rod, a plug hole 262 is formed in the connecting block 26, the connecting rod 43 is inserted into the plug hole 262, and one end of the connecting rod 43 protruding out of the plug hole 262 is fixed with a limiting piece to limit the connecting rod 43 from sliding out of the plug hole 262.

[0057] Through the plug-in cooperation of the insertion rod and the insertion hole 262, the quick disassembly and reliable connection between the sliding mechanism 4 and the driving mechanism 2 are realized. After the insertion rod is inserted into the insertion hole 262 of the connecting block 26, the constraint effect of the limiting piece can prevent the connecting rod 43 from accidentally falling out, thereby ensuring the stability of power transmission. The structure not only facilitates quick disassembly during maintenance, but also can effectively withstand the force generated during the operation of the scraper 3, thereby maintaining the structural stability and ensuring the connection reliability during long-term operation, thereby providing a stable and efficient power transmission foundation for the coal scraping device.

[0058] In the embodiment of the present application, the cross section of the sliding rail 11 is L-shaped, and the positioning plate 41 is provided with a sliding groove matched with the sliding rail 11, and the sliding rail 11 is in sliding connection with the sliding groove.

[0059] Through the guiding cooperation of the L-shaped sliding rail 11 and the matched sliding groove, the precise constraint and stable bearing of the motion system of the positioning plate 41 are realized. The L-shaped sliding rail 11 and the sliding groove of the positioning plate 41 form a limiting structure, which effectively resists the force generated during the operation of the scraper 3, so that the scraper 3 can still run stably under complex working conditions, realizing low-friction sliding of the moving parts and providing a reliable support foundation for the entire coal scraping device.

[0060] In a second aspect, an embodiment of the present application provides a coal transport vehicle, which comprises a vehicle hopper 1 and further comprises the coal scraping device for the vehicle hopper 1 as described above. The coal scraping device for the vehicle hopper 1 is fixed to the vehicle hopper 1, and is used for scraping coal from the vehicle hopper 1 of the coal transport vehicle.

[0061] In the embodiment of the present application, the coal scraping device for the vehicle hopper 1 is installed on the coal transport vehicle, thereby realizing self-cleaning of the vehicle hopper 1. The mechanical scraping of residual coal is realized through the close cooperation of the scraper 3 and the inner wall of the vehicle hopper 1. The continuous knocking of the vibration mechanism 6 is used to destroy the slime adhesion layer, and the flushing effect of the water spraying mechanism 5 is used to form a triple cleaning. In addition, the driving mechanism 2 converts the rotary power into reciprocating motion of the scraper 3 through the transmission belt transmission, and the sliding mechanism 4 ensures the stable operation of the scraper 3 along the predetermined track. The entire device realizes the synchronous operation of power transmission and cleaning through the cooperation between various structures, and can complete the deep cleaning of the vehicle hopper 1 without additional power source, thereby making the coal unloading more complete and reducing the frequency of manual cleaning. At the same time, through the structural optimization, the reliable operation under the moving working condition of the coal transport vehicle is ensured, thereby providing an efficient cleaning solution.

[0062] Although the present application has been described with reference to the preferred embodiments, various modifications can be made to it without departing from the scope of the present application, and equivalent components can be substituted therefor. In particular, the technical features mentioned in each embodiment can be combined in any manner as long as there is no structural conflict. The present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A coal scraping device for a coal truck bucket, which is used to scrape coal from the truck bucket of a coal truck, and is characterized in that: include: a scraper, the scraper being slidably disposed in the bucket; A sliding mechanism, wherein the sliding mechanism is slidably connected to the bucket and the sliding mechanism is fixedly connected to the scraper; A driving mechanism, the driving mechanism being fixed to the bucket and capable of driving the sliding mechanism to drive the scraper to reciprocate along a material discharge direction of the bucket; The vibration mechanism includes a vibration frame, a transmission assembly and a vibration rod. The vibration frame is fixed to the bottom of the scraper, the transmission assembly is fixed to the side of the vibration frame close to the bottom of the bucket, and the transmission assembly is in contact with the bucket. The vibration rod is slidably connected to the vibration frame, and the transmission assembly can drive the vibration rod to knock the bucket when the scraper moves along the bucket.

2. The coal scraping device for a coal transport vehicle according to claim 1, characterized in that: The transmission assembly includes a rotating wheel and at least one boss, the rotating wheel is fixed to the bottom of the scraper, at least one boss is fixed to one side of the rotating wheel, a vibration rod slide is fixedly provided on the vibration frame, the vibration rod is slidably arranged in the vibration rod slide, a first elastic member is provided in the vibration rod slide, one end of the first elastic member abuts against the top wall of the vibration rod slide, and the other end of the first elastic member abuts against the top of the vibration rod, a vibration slot is also provided on the vibration frame, a vibration rod slider is provided on the vibration rod, the vibration rod slider is slidably arranged in the vibration slot, and the vibration rod slider is in contact with the side wall of the boss; When the scraper moves along the bucket, the rotating wheel can rotate along the bucket, and the boss rotates to compress or release the first elastic member, so that the first elastic member drives the vibration rod to retract or knock the bucket.

3. The coal scraping device for a coal transport vehicle according to claim 1, characterized in that: A second elastic member is provided on a side of the vibration frame away from the transmission assembly. The other end of the second elastic member is fixedly connected to the scraper. The second elastic member has a tendency to drive the transmission assembly closer to the bucket.

4. The coal scraping device for a coal transport vehicle according to claim 1, characterized in that: It also includes a water spraying mechanism, which includes at least one water tank and at least one nozzle. The water tank and the nozzle are both fixed to the top of the scraper. The nozzle is connected to the water tank and is used to flush impurities in the truck bucket.

5. The coal scraping device for a coal transport vehicle according to claim 4, characterized in that: The water spraying mechanism includes a water inlet assembly, which includes a water inlet pipe and a one-way water valve. The water inlet pipe is connected to the water storage tank. The one-way water valve is arranged at one end of the water inlet pipe away from the water storage tank. A water tank is fixed on the truck bed, and the water tank is provided with a water pipe channel. The one-way water valve can be connected to the water pipe to allow the water in the water tank to enter the water storage tank through the water inlet pipe.

6. The coal scraping device for a coal transport vehicle according to claim 4, characterized in that: It also includes an inflation mechanism, which is fixed to the sliding mechanism. The water spraying mechanism also includes a piston plate, a third elastic member and a connecting pipe. The piston plate is slidably arranged in the water storage tank. The piston plate divides the water storage tank into a water chamber and an air chamber. The water chamber is connected to the nozzle through the connecting pipe. The inflation mechanism is connected to the air chamber through an air inlet pipe. The inflation mechanism can fill gas into the air chamber. The third elastic member is arranged in the air chamber. The third elastic member has a tendency to drive the piston plate away from the connecting pipe.

7. The coal scraping device for a coal transport vehicle according to claim 6, characterized in that: The inflation mechanism includes a pneumatic rod sleeve, a pneumatic rod and a fourth elastic member, one end of the pneumatic rod sleeve is fixed to the sliding mechanism, the other end of the pneumatic rod sleeve is sleeved outside the pneumatic rod, the end of the pneumatic rod away from the pneumatic rod sleeve is inserted into the sliding column, and the pneumatic rod and the sliding column enclose a pneumatic cavity, the fourth elastic member is arranged between the pneumatic rod sleeve and the pneumatic rod, and the two ends of the fourth elastic member are respectively in contact with the top of the pneumatic rod sleeve and the bottom of the pneumatic rod; The bottom surface of the bucket is inclined. When the scraper moves along the unloading direction of the bucket, the gas in the air pressure chamber can enter the air chamber, so that the piston plate squeezes the water in the water chamber to the nozzle for spraying.

8. The coal scraping device for a coal transport vehicle according to claim 1, characterized in that: The driving mechanism includes a driving member, a driving shaft, at least one first rotating wheel, at least one second rotating wheel and at least one conveyor belt. The driving motor is fixed to the bucket, a driving seat is fixedly provided on the bucket, the driving shaft is rotatably provided on the driving seat, the driving shaft is connected to the output end of the driving member, the first rotating wheel is fixed to at least one end of the driving shaft, a second rotating wheel is rotatably provided on the side wall of the bucket and on one end close to the unloading port of the bucket, the first rotating wheel and the second rotating wheel are connected by the transmission belt, and the sliding mechanism is fixedly connected to the transmission belt.

9. The coal scraping device for a coal transport vehicle according to claim 1, characterized in that: The sliding mechanism includes a connecting rod and a positioning plate, and the driving mechanism also includes a connecting block, the connecting block is fixed on the transmission belt, the connecting rod is fixedly connected to the connecting block, a slide rail is provided on the top of the side wall of the bucket, the positioning plate is slidably connected to the slide rail, one end of the positioning plate is fixedly connected to the connecting rod, and the other end of the positioning plate is fixedly connected to the scraper.

10. A coal truck, characterized in that: It includes a truck bucket and a coal truck bucket coal scraping device as described in any one of claims 1 to 9, wherein the coal truck bucket coal scraping device is fixed on the coal truck bucket and is used to scrape coal from the truck bucket of the coal truck.

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