Truck loading device for coal
By adjusting the storage space capacity through lifting hoppers and lifting mechanisms, the problems of poor adaptability and high cost of existing coal loading devices are solved, achieving efficient multi-scenario adaptable loading and reducing equipment procurement and maintenance costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2026-01-19
- Publication Date
- 2026-03-27
AI Technical Summary
The existing coal loading equipment has a fixed storage bin structure, which results in poor adaptability, low efficiency and high cost, and the capacity cannot be dynamically adjusted to meet the needs of different loading scenarios.
By adopting a lifting hopper and lifting mechanism, and adjusting the capacity of the storage space, combined with the material conveying and discharging mechanism, the storage capacity can be dynamically adjusted to adapt to different load requirements of the carriage.
It improves the adaptability and efficiency of equipment, reduces equipment replacement and maintenance costs, increases equipment utilization, and reduces job preparation time.
Smart Images
Figure CN121734997A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of coal transportation equipment, and particularly relates to a loading device for coal. BACKGROUND
[0002] In the process of coal transportation, the efficiency of the loading device directly affects the operation cost and transportation safety. In the prior art, the storage bin of the quantitative loading machine generally adopts a single fixed structure design, and the capacity and discharging capacity are preset parameters, which cannot be dynamically adjusted according to the actual loading scene (such as the car load demand, coal type, transportation distance, etc.).
[0003] Such a device can meet the needs of standardized operation, but has significant limitations when facing diversified loading tasks. Different mining areas or transportation lines have great differences in the demand for single coal loading capacity. The fixed capacity storage bin needs to rely on manual intervention or replace the equipment to match the demand, which leads to a decrease in operation efficiency. In order to cover different loading scenes, multiple specifications of loading machines need to be reserved, which significantly increases the equipment procurement and maintenance cost. At the same time, the fixed storage bin is easy to cause coal overflow or transportation resource idling under overload or underload working conditions, causing economic losses. SUMMARY
[0004] (I) Technical problems to be solved
[0005] In view of the above-mentioned shortcomings and deficiencies of the prior art, the present application provides a loading device for coal, which solves the technical problems of poor adaptability, low efficiency and high cost of the quantitative loading machine due to the fixed structure of the storage bin.
[0006] (II) Technical solutions
[0007] In order to achieve the above-mentioned purposes, the main technical solutions adopted by the present application include:
[0008] The present application provides a loading device for coal, which includes a storage bin, a lifting bin, a lifting mechanism and a discharging mechanism. The lifting bin is arranged inside the storage bin in a lifting manner and forms a storage space with the inner wall of the storage bin. The lifting mechanism is used to drive the lifting bin to lift or lower, so as to adjust the capacity of the storage space. The top end of the discharging mechanism is communicated with the discharging port arranged at the bottom of the storage bin. By adjusting the opening and closing of the bottom end of the discharging mechanism, the loading operation of the coal in the storage space can be realized.
[0009] Preferably, the lifting mechanism comprises a plurality of driving units; each driving unit comprises a first fixed block, a second fixed block and a rotating shaft, the first fixed block is fixedly connected with the outer wall of the lifting hopper, the second fixed block is fixedly connected with the outer wall of the storage hopper, the rotating shaft is arranged through the first fixed block and the second fixed block, the rotating shaft is provided with a threaded segment and a light shaft segment, the first fixed block is provided with a threaded hole matched with the threaded segment, the second fixed block is provided with a rotating hole matched with the light shaft segment; the first fixed block drives the lifting hopper to ascend and descend along the rotating shaft by rotating the rotating shaft.
[0010] Preferably, the lifting mechanism further comprises a first driving motor and a first transmission unit; the output end of the first driving motor is in transmission connection with one end of the rotating shaft of one driving unit, the first transmission unit is arranged on the light shaft segment of the rotating shaft and is in transmission connection with each rotating shaft; the first driving motor drives the corresponding rotating shaft, and drives the plurality of rotating shafts to synchronously rotate through the first transmission unit, so that the plurality of first fixed blocks synchronously ascend and descend.
[0011] Preferably, the first transmission unit comprises a first synchronous belt and a plurality of first synchronous wheels; the plurality of first synchronous wheels are respectively fixedly installed on the light shaft segments of the rotating shafts, and the first synchronous belt is arranged around the plurality of first synchronous wheels.
[0012] Preferably, the lifting mechanism further comprises a fixed frame; the fixed frame is fixedly installed on the top of the storage hopper; the top of each rotating shaft is in rotational connection with the fixed frame.
[0013] Preferably, the lifting mechanism further comprises a plurality of limiting units; each limiting unit comprises a guide rod, a connecting block and a guide block, the guide block is fixed to the outer wall of the lifting hopper and is provided with a guide hole, and the connecting block is fixed to the outer wall of the storage hopper; the top of the guide rod is fixedly connected with the fixed frame, the bottom is fixedly connected with the connecting block, and the guide rod is in sliding connection with the guide block through the guide hole.
[0014] Preferably, the device further comprises a material conveying mechanism; the material conveying mechanism comprises a second driving motor, a second transmission unit and two conveying shafts arranged in parallel; the two conveying shafts are rotatably installed in the storage hopper and can push the coal from both sides to the middle discharge port when rotating, the second driving motor is fixedly connected with one of the conveying shafts, and the second transmission unit is in rotational connection with the two conveying shafts; the second driving motor drives the conveying shaft to rotate, and drives the other conveying shaft to synchronously rotate through the second transmission unit, so that the coal can fall into the discharge port.
[0015] Preferably, the second transmission unit comprises a second synchronous belt and two second synchronous wheels; the two second synchronous wheels are respectively fixedly installed on the end portions of the two conveying shafts, and the second synchronous belt is sleeved on the two second synchronous wheels.
[0016] Preferably, the discharging mechanism comprises a discharging cavity and a stirring unit; the discharging cavity is connected with the discharging port at the bottom of the storage bin, and the stirring unit is installed in the discharging cavity and used to break and dredge the coal in the discharging cavity so that the coal is discharged from the bottom.
[0017] Preferably, the discharging mechanism further comprises a gate unit arranged at the bottom of the discharging cavity; the gate unit comprises a gate, a connecting shaft and two mounting ears; the two mounting ears are fixed to the outside of the bottom of the discharging cavity, and the gate is rotatably installed between the two mounting ears through the connecting shaft and used to open or close the bottom outlet of the discharging cavity.
[0018] (Three) beneficial effects
[0019] The beneficial effects of the present application are:
[0020] The coal loading device provided by the present application drives the lifting bin to lift through the lifting mechanism to change the actual capacity of the storage space, and realizes dynamic adjustment of the storage capacity. When facing carriages with different load requirements, the operator does not need to replace the equipment or manually split the load, but only needs to adjust the height of the lifting bin to complete the setting of the loading capacity in a short time. The coal loading device provided by the present application breaks away from the traditional single fixed capacity structure of the storage space, so that one device can cover various loading requirements from low load to high load, without the need to prepare or replace different specifications of devices for different tasks, reduces the operation preparation and switching time, and reduces the equipment procurement and maintenance cost, and improves the equipment utilization rate. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 It is a schematic view of the overall structure of embodiment 1 of the coal loading device provided by the present application.
[0022] Figure 2 It is an enlarged schematic view of A in Figure 1
[0023] Figure 3 It is an enlarged schematic view of B in Figure 1
[0024] Figure 4 It is an enlarged schematic view of C in Figure 1
[0025] Figure 5 It is an enlarged schematic view of D in Figure 1
[0026] Figure 6 It is a structural schematic view of the material conveying mechanism.
[0027] Figure 7 It is a structural schematic view of the stirring unit.
[0028]
Explanation of reference signs
[0029] 1: storage bin;
[0030] 2: lifting bin;
[0031] 3: lifting mechanism; 31: driving unit; 311: first fixed block; 312: second fixed block; 313: rotating shaft; 32: first driving motor; 33: first transmission unit; 331: first synchronous belt; 332: first synchronous wheel; 34: fixed frame; 35: limiting unit; 351: guide rod; 352: connecting block; 353: guide block;
[0032] 4: discharging mechanism; 41: discharging cavity; 42: stirring unit; 421: second rotating shaft; 422: third driving motor; 423: stirring rod; 43: gate unit; 431: gate; 432: connecting shaft; 433: mounting lug; 434: fourth driving motor;
[0033] 5: conveying mechanism; 51: second driving motor; 52: second transmission unit; 521: second synchronous belt; 522: second synchronous wheel; 53: conveying shaft; 531: helical blade;
[0034] 6: support leg. DETAILED DESCRIPTION
[0035] In order to better explain the present application, so as to be understood, the following specific embodiments, combined with the drawings, will be described in detail.
[0036] In order to better understand the above technical solutions, the exemplary embodiments of the present application will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present application are shown in the drawings, it should be understood that the present application can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided in order to enable a clearer, more thorough understanding of the present application and to convey the complete scope of the present application to those skilled in the art.
[0037] Example 1:
[0038] As Figure 1As shown, the embodiment provides a loading device for coal, which comprises a storage bin 1, a lifting bin 2, a lifting mechanism 3 and a discharging mechanism 4. The lifting bin 2 is arranged in the interior of the storage bin 1 in a lifting manner and forms a storage space together with the inner wall of the storage bin 1. The lifting mechanism 3 is used to drive the lifting bin 2 to lift so as to adjust the capacity of the storage space. The top end of the discharging mechanism 4 is communicated with a discharging port formed in the bottom of the storage bin 1. The loading operation of the coal in the storage space is realized by adjusting the opening and closing of the bottom end of the discharging mechanism 4. The lifting bin 2 is driven by the lifting mechanism 3 to lift so as to change the actual capacity of the storage space, and the dynamic adjustment of the storage capacity is realized. When facing the carriages with different load requirements, the operator does not need to replace the equipment or manually split the load in a complicated manner. The height of the lifting bin 2 is only needed to be adjusted, and the loading capacity can be set in a short time. The traditional single fixed capacity structure of the storage space is got rid of. One device can cover various loading requirements from low load to high load. Different specifications of devices do not need to be prepared or replaced for different tasks. The operation preparation and switching time are reduced. The equipment procurement and maintenance costs are reduced. The equipment utilization rate is improved.
[0039] As shown in Figure 2 and Figure 3 The lifting mechanism 3 comprises a plurality of driving units 31. The driving unit 31 comprises a first fixed block 311, a second fixed block 312 and a rotating shaft 313. The first fixed block 311 is fixedly connected with the outer wall of the lifting bin 2. The second fixed block 312 is fixedly connected with the outer wall of the storage bin 1. The rotating shaft 313 is arranged in the first fixed block 311 and the second fixed block 312. The rotating shaft 313 is provided with a threaded segment and a light shaft segment. The first fixed block 311 is provided with a threaded hole matched with the threaded segment. The second fixed block 312 is provided with a rotating hole matched with the light shaft segment. The first fixed block 311 drives the lifting bin 2 to lift along the rotating shaft 313 by rotating the rotating shaft 313. The driving unit 31 integrates the threaded transmission and the guiding function on the same rotating shaft 313. The threaded segment and the threaded hole of the first fixed block 311 form a screw pair to provide the lifting driving force. The light shaft segment is matched with the rotating hole of the second fixed block 312 to play a supporting and guiding role, effectively preventing the lifting bin 2 from being deflected or stuck during lifting, and ensuring the motion stability. The rotation number of the rotating shaft 313 is controlled to finely adjust the capacity of the storage space and meet different load grades of the carriage.
[0040] As a preferred embodiment of the present application, the driving unit 31 is provided with four groups, which are respectively located at the four corner positions of the storage bin 1. The lifting bin 2 is uniformly stressed and stably moved during lifting, effectively avoiding the problems of inclination, sticking or sealing failure caused by one-sided or local driving.
[0041] To achieve synchronous control of multiple drive units 31, thereby ensuring smooth movement of the lifting hopper 2 within the storage hopper 1, such as... Figure 3 As shown, the lifting mechanism 3 also includes a first drive motor 32 and a first transmission unit 33. The output end of the first drive motor 32 is connected to one end of the rotating shaft 313 of a drive unit 31. The first transmission unit 33 is disposed on the optical axis section of the rotating shaft 313 and is connected to each rotating shaft 313. The first drive motor 32 drives the corresponding rotating shaft 313, which in turn drives the multiple rotating shafts 313 to rotate synchronously via the first transmission unit 33, so that the multiple first fixed blocks 311 are raised and lowered synchronously.
[0042] Furthermore, the first transmission unit 33 includes a first synchronous belt 331 and a plurality of first synchronous pulleys 332. The plurality of first synchronous pulleys 332 are respectively fixedly installed on the optical axis section of the rotating shaft 313, and the first synchronous belt 331 is wound around the plurality of first synchronous pulleys 332.
[0043] To improve the overall structural stability of the lifting mechanism 3 and ensure that the multiple rotating shafts 313 maintain precise coaxiality and vertical guidance during operation, such as Figure 1 As shown, the lifting mechanism 3 also includes a fixed frame 34, which is fixedly installed on the top of the storage bin 1. The tops of multiple rotating shafts 313 are rotatably connected to the fixed frame 34. By setting the fixed frame 34, not only is reliable support and positioning provided for the upper end of each rotating shaft 313, effectively preventing radial sway or axial movement during the driving process, but the vibration resistance of the entire lifting mechanism 3 is also enhanced.
[0044] To further enhance the vertical stability of the lifting hopper 2 and prevent it from swaying or shifting during lifting, such as... Figure 4 As shown, the lifting mechanism 3 also includes multiple limiting units 35. Each limiting unit 35 includes a guide rod 351, a connecting block 352, and a guide block 353. The guide block 353 is fixed to the outer wall of the lifting hopper 2 and has a guide hole. The connecting block 352 is fixed to the outer wall of the storage hopper 1. The top of the guide rod 351 is fixedly connected to the fixed frame 34, and the bottom is fixedly connected to the connecting block 352, and it slides through the guide hole to connect with the guide block 353. The limiting units 35 effectively restrict the non-vertical movement of the lifting hopper 2, ensuring that during coal loading, whether fully loaded or empty, the lifting hopper 2 maintains stable and linear vertical movement.
[0045] In a preferred embodiment of the present invention, a total of 4 sets of limiting units 35 are provided, which are respectively located on the side walls of the storage bin 1 and the lifting bin 2.
[0046] like Figure 6As shown, the loading device further comprises a feeding mechanism 5. The feeding mechanism 5 comprises a second driving motor 51, a second transmission unit 52 and two parallel conveying shafts 53. The two conveying shafts 53 are rotatably installed in the storage bin 1 and can push the coal from both sides to the middle discharge port when rotating. The second driving motor 51 is fixed to the outer wall of the storage bin 1, and the output end thereof is fixedly connected with one of the conveying shafts 53. The second transmission unit 52 is rotatably connected with the two conveying shafts 53. The second driving motor 51 drives the conveying shaft 53 to rotate, and the second transmission unit 52 drives the other conveying shaft 53 to rotate synchronously, so that the coal can fall into the discharge port. The synchronous pushing of the two conveying shafts 53 accelerates the convergence speed of the coal to the discharge port, avoids the delay of discharging caused by poor natural flow, and is especially suitable for coal with high humidity or uneven particles, effectively breaks the arch structure of the material, and guarantees continuous and stable discharging.
[0047] Further, the second transmission unit 52 comprises a second synchronous belt 521 and two second synchronous wheels 522. The two second synchronous wheels 522 are fixedly installed at the ends of the two conveying shafts 53, and the second synchronous belt 521 is sleeved on the two second synchronous wheels 522.
[0048] Preferably, two spiral blades are arranged on each conveying shaft, and the two spiral blades of the conveying shafts are opposite in rotation direction. Specifically, taking the discharge port as the center, each conveying shaft 53 is divided into left and right sections along the axial direction thereof. The left section is provided with left-handed spiral blades, and the right section is provided with right-handed spiral blades (or vice versa), so that when the conveying shaft 53 rotates, the coal on both sides is pushed to the direction of the discharge port in the middle. Whether the coal is located in the left side or the right side of the discharge port in the storage bin 1, it can be efficiently guided to the discharge port by the corresponding section of the spiral blade, thereby significantly improving the feeding efficiency.
[0049] As shown in Figure 1 and Figure 7 , the discharging mechanism 4 comprises a discharging chamber 41 and a stirring unit 42. The discharging chamber 41 is in communication with the discharge port at the bottom of the storage bin 1, and the stirring unit 42 is installed in the discharging chamber 41. The stirring unit 42 is used to break and dredge the coal in the discharging chamber 41, so that it is discharged from the bottom. By actively stirring to break the arch structure of the material, the risk of clogging of the discharging chamber 41 is significantly reduced, and it is especially suitable for coal with high humidity, high viscosity or containing more gangue.
[0050] As shown in Figure 7 , the stirring unit comprises a second rotating shaft, a third driving motor and a plurality of stirring rods. The second rotating shaft is rotatably installed in the discharging chamber, the plurality of stirring rods are fixedly arranged on the rotating shaft in an axial direction, and the third driving motor is fixed to the outer wall of the discharging chamber. The output end of the third driving motor is in transmission connection with the rotating shaft, and is used to drive the rotating shaft and the plurality of stirring rods to rotate, so as to break and dredge the coal to discharge.
[0051] Preferably, the discharge mechanism 4 further includes a gate unit 43 disposed at the bottom of the discharge chamber 41. The gate unit 43 includes a gate 431, a connecting shaft 432, and two mounting ears 433. The two mounting ears 433 are fixed to the outer bottom of the discharge chamber 41, and the gate 431 is rotatably mounted between the two mounting ears 433 via the connecting shaft 432, for opening or closing the bottom outlet of the discharge chamber 41.
[0052] Before the loading operation begins, the gate 431 is closed to prevent accidental coal leakage. Once the storage space capacity is set and the vehicle is in place, the gate 431 opens, and the coal is smoothly discharged into the car under the assistance of gravity and the mixing unit 42. After loading is completed, the gate 431 closes in time to ensure the system is sealed and to prevent dust from escaping or material residue from remaining.
[0053] like Figure 1 As shown, the loading device also includes four support legs 6, which are fixedly connected to the four corner areas of the bottom of the storage bin 1 and extend downward to support the entire device on the ground or mounting platform.
[0054] The working process of this embodiment is as follows:
[0055] S1. Before loading coal into trucks, the lifting mechanism 3 is activated by the control system according to the load requirements of the truck bed. The first drive motor 32 drives a rotating shaft 313 to rotate, and synchronously drives the other rotating shafts 313 to rotate via the first transmission unit 33, so that the four first fixed blocks 311 synchronously drive the lifting bin 2 to rise or fall vertically, thereby adjusting the storage space capacity formed between the storage bin 1 and the lifting bin 2.
[0056] S2. After the storage space is set, the coal enters the storage bin 1 and accumulates in the storage space enclosed by the inner wall of the storage bin 1 and the outer wall of the lifting bin 2. When the transport vehicle is in place, the gate unit 43 at the bottom of the discharge mechanism 4 is opened. At the same time, the second drive motor 51 starts, driving the two conveyor shafts 53 to rotate in opposite directions, pushing the coal from both sides of the storage space to the middle discharge port and falling into the discharge chamber 41.
[0057] S3. During the discharge process, the mixing unit 42 operates synchronously to crush, loosen and guide the coal entering the discharge chamber 41, preventing wet and sticky coal or large pieces of coal from forming bridging blockages, and ensuring that the coal flows out continuously and evenly from the bottom of the discharge chamber 41 and is loaded into the car.
[0058] S4. After loading is completed, the gate unit 43 closes, the conveying mechanism 5 and the mixing unit 42 stop operating, the system is reset, and it is ready for the next operation cycle.
[0059] Example 2:
[0060] The embodiment is same as the rest of the structure of embodiment 1, the difference is that the lifting mechanism 3 comprises a plurality of first driving motors 32, the output ends of the plurality of first driving motors 32 are respectively and correspondingly connected with the rotating shafts 313 of the plurality of driving units 31.
[0061] In the embodiment, each rotating shaft 313 is driven by an independent first driving motor 32, and synchronization is realized without the need for the first transmission unit 33 in embodiment 1. The first driving motors 32 can be uniformly controlled by the same control system, and by accurately controlling the rotating speed, rotating direction and running time of each motor, the synchronous rotation of the plurality of rotating shafts 313 is ensured, thereby driving the plurality of first fixed blocks 311 to synchronously lift, so that the lifting stock bin 2 moves stably in the vertical direction, and problems such as tilting, blocking or sealing failure caused by uneven stress are avoided.
[0062] In the description of the present application, it should be understood that the terms "first", "second" are only for descriptive purpose, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically defined.
[0063] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, 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 electrically 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. 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.
[0064] In the present application, unless otherwise specifically defined and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact between the first and second features through an intermediate medium. Moreover, the first feature is "above", "above" and "above" the second feature, which can be directly above or obliquely above the first feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature is "below", "below" and "below" the second feature, which can be directly below or obliquely below the first feature, or only indicates that the horizontal height of the first feature is lower than that of the second feature.
[0065] In the description of the specification, the description of the terms "one embodiment", "some embodiments", "an embodiment", "example", "specific example" or "some examples" etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. In addition, the person skilled in the art can combine and combine the different embodiments or examples described in the specification and the features of the different embodiments or examples without contradiction.
[0066] Although the embodiments of the present application have been shown and described above, it is understood that the above-described embodiments are exemplary and are not to be construed as limiting the present application, and the person skilled in the art can modify, modify, replace and modify the above-described embodiments within the scope of the present application.
Claims
1. A loading device for coal, characterized in that, It includes a storage bin (1), a lifting bin (2), a lifting mechanism (3), and a discharge mechanism (4); The lifting hopper (2) is vertically and vertically disposed inside the storage hopper (1), and together with the inner wall of the storage hopper (1) forms a storage space; The lifting mechanism (3) is used to drive the lifting hopper (2) to lift and lower, so as to adjust the capacity of the storage space; The top of the discharge mechanism (4) is connected to the discharge port at the bottom of the storage bin (1). By adjusting the opening and closing of the bottom of the discharge mechanism (4), the loading operation of coal in the storage space can be realized.
2. The coal loading device as described in claim 1, characterized in that: The lifting mechanism (3) includes multiple drive units (31); The drive unit (31) includes a first fixed block (311), a second fixed block (312), and a rotating shaft (313). The first fixed block (311) is fixedly connected to the outer wall of the lifting hopper (2), and the second fixed block (312) is fixedly connected to the outer wall of the storage hopper (1). The rotating shaft (313) passes through the first fixed block (311) and the second fixed block (312). The rotating shaft (313) is provided with a threaded section and a smooth shaft section. The first fixed block (311) is provided with a threaded hole that mates with the threaded section, and the second fixed block (312) is provided with a rotating hole that mates with the smooth shaft section. By rotating the rotating shaft (313), the first fixed block (311) drives the lifting hopper (2) to rise and fall along the rotating shaft (313).
3. The coal loading device as described in claim 2, characterized in that: The lifting mechanism (3) also includes a first drive motor (32) and a first transmission unit (33). The output end of the first drive motor (32) is connected to one end of the rotating shaft (313) of a drive unit (31). The first transmission unit (33) is disposed on the optical axis section of the rotating shaft (313) and is connected to each of the rotating shafts (313). The first drive motor (32) drives the corresponding rotating shaft (313) to drive multiple rotating shafts (313) to rotate synchronously via the first transmission unit (33), so that multiple first fixed blocks (311) rise and fall synchronously.
4. The coal loading device as described in claim 3, characterized in that: The first transmission unit (33) includes a first synchronous belt (331) and a plurality of first synchronous pulleys (332). Multiple first synchronous pulleys (332) are fixedly installed on the optical axis section of the rotating shaft (313), and the first synchronous belt (331) is wound around the multiple first synchronous pulleys (332).
5. The coal loading device as described in claim 2, characterized in that: The lifting mechanism (3) also includes a fixed frame (34); The fixed frame (34) is fixedly installed on the top of the storage bin (1); The tops of the plurality of said rotating shafts (313) are rotatably connected to the fixed frame (34).
6. The coal loading device as described in claim 5, characterized in that: The lifting mechanism (3) also includes multiple limiting units (35); The limiting unit (35) includes a guide rod (351), a connecting block (352) and a guide block (353). The guide block (353) is fixed to the outer wall of the lifting hopper (2) and has a guide hole. The connecting block (352) is fixed to the outer wall of the storage hopper (1). The top of the guide rod (351) is fixedly connected to the fixed frame (34), the bottom is fixedly connected to the connecting block (352), and it slides through the guide hole to connect with the guide block (353).
7. The coal loading device as described in claim 1, characterized in that: It also includes a material conveying mechanism (5); The material conveying mechanism (5) includes a second drive motor (51), a second transmission unit (52), and two parallel conveying shafts (53). The two conveying shafts (53) are rotatably installed in the storage bin (1). When they rotate, they can push coal from both sides to the discharge port in the middle. The second drive motor (51) is fixed to the outer wall of the storage bin (1), and its output end is fixedly connected to one of the conveying shafts (53). The second transmission unit (52) is rotatably connected to the two conveying shafts (53). The second drive motor (51) drives the conveyor shaft (53) to rotate, and through the second transmission unit (52) drives another conveyor shaft (53) to rotate synchronously, so that coal can fall into the discharge port.
8. The coal loading device as described in claim 7, characterized in that: The second transmission unit (52) includes a second synchronous belt (521) and two second synchronous pulleys (522). Two second synchronous pulleys (522) are fixedly installed at the ends of the two conveyor shafts (53), and the second synchronous belt (521) is sleeved on the two second synchronous pulleys (522).
9. The coal loading device as described in claim 1, characterized in that: The discharge mechanism (4) includes a discharge chamber (41) and a stirring unit (42). The discharge chamber (41) is connected to the discharge port at the bottom of the storage bin (1). The stirring unit (42) is installed in the discharge chamber (41). The stirring unit (42) is used to crush and guide the coal in the discharge chamber (41) so that it is discharged from the bottom.
10. The coal loading device as described in claim 9, characterized in that: The discharge mechanism (4) also includes a gate unit (43) disposed at the bottom of the discharge chamber (41). The gate unit (43) includes a gate (431), a connecting shaft (432), and two mounting ears (433). The two mounting ears (433) are fixed to the bottom outer side of the discharge chamber (41), and the gate (431) is rotatably mounted between the two mounting ears (433) via the connecting shaft (432) for opening or closing the bottom outlet of the discharge chamber (41).