Coal bunker hydraulic drilling rig dredging device

Abstract

The invention belongs to the technical field of coal bunker dredging, and particularly relates to a coal bunker hydraulic drilling rig dredging device which comprises a pipe barrel frame, fixing blocks, a flow dividing barrel, a slope falling type material guiding mechanism and a hydraulic drilling type material passing mechanism, the fixing blocks are arranged on the inner wall of the pipe barrel frame, the flow dividing barrel is arranged between the fixing blocks, the slope falling type material guiding mechanism is arranged on the fixing blocks, and the hydraulic drilling type material passing mechanism is arranged on the pipe barrel frame. The hydraulic drill type material passing mechanism is arranged on the slope falling type material guiding mechanism, and the slope falling type material guiding mechanism comprises a material falling assembly, a lifting assembly and a buffering assembly. According to the dredging device for the coal bunker hydraulic drilling rig, coal falling into the coal bunker can be buffered, generation of pulverized coal is reduced, and the blockage phenomenon occurring in the discharging channel can be monitored.

Description

Technical Field

[0001] The invention belongs to the technical field of coal bunker dredging, and in particular relates to a coal bunker hydraulic drilling rig dredging device. Background Art

[0002] In the complex and sophisticated system of coal production and transportation, coal bunker blockage, a common problem that hinders continuous and stable production, continues to plague industry efficiency improvements. Especially in high humidity environments or under special operating conditions with uneven coal powder particle size distribution, materials within the bunker are easily blocked by moisture adsorption or differences in friction between particles, forming an arched structure above the discharge port or causing tubular stagnation in vertical sections. This abnormal accumulation not only directly interrupts the unloading process but also triggers a chain reaction of idling upstream equipment and insufficient downstream material supply. In severe cases, it can even force the entire production system to shut down for maintenance, significantly impacting the coal company's production capacity and economic benefits. Unclogging devices are necessary to ensure the continuity of coal transportation.

[0003] The existing coal bunker hydraulic drilling rig dredging device has the following problems: The existing coal bunker hydraulic drilling rig dredging device does not have the ability to monitor the blockage of coal in the discharge pipe in real time, resulting in a large amount of coal piling up inside the discharge channel. After dredging, a large amount of coal falls into the coal bunker to produce a large amount of coal powder, which reduces the safety and smoothness of coal transportation. In addition, the traditional coal bunker hydraulic drilling rig dredging device does not have the ability to cushion the falling coal, causing the falling coal to collide with the coal in the coal bunker to produce coal powder, causing safety hazards. Therefore, it cannot meet the existing demand for the use of coal bunker hydraulic drilling rig dredging device. Summary of the Invention

[0004] In view of the above situation, in order to overcome the defects of the existing technology, this solution provides a coal bunker hydraulic drilling rig dredging device that can buffer the coal falling into the coal bunker, reduce the generation of coal powder, and monitor the blockage phenomenon in the feeding channel.

[0005] The technical solution adopted in this scheme is as follows: This scheme proposes a coal bunker hydraulic drilling rig dredging device, including a pipe rack, a fixed block, a diverter cylinder, a slope-down material guiding mechanism and a liquid drill type material passing mechanism, the fixed block is arranged on the inner wall of the pipe rack, the diverter cylinder is arranged between the fixed blocks, the slope-down material guiding mechanism is arranged on the fixed block, the liquid drill type material passing mechanism is arranged on the slope-down material guiding mechanism, the slope-down material guiding mechanism includes a blanking assembly, a lifting assembly and a buffer assembly, the blanking assembly is arranged on the side of the fixed block away from the diverter cylinder, the lifting assembly is arranged at the bottom of the fixed block, the buffer assembly is arranged between the blanking assembly and the lifting assembly, the liquid drill type material passing mechanism includes a drill drive assembly and a top drill assembly, the drill drive assembly is arranged on the lifting assembly, and the top drill assembly is arranged on the side wall of the lifting assembly.

[0006] As a further preferred embodiment of the present invention, the blanking assembly includes a blanking hinge block and a blanking plate, the blanking hinge block is arranged on the side of the fixed block away from the diverter cylinder, and the blanking plate is hingedly arranged at one end of the fixed block away from the diverter cylinder; the lifting assembly includes a slide, a slider, a hydraulic cylinder, a piston rod, an infusion pipe and a hydraulic cylinder, the hydraulic cylinder is arranged below the fixed block and fixedly connected to its bottom wall, multiple groups of the slides are arranged on the side walls of the hydraulic cylinder, the sliders are slidingly arranged on one end of the slide away from the hydraulic cylinder, multiple groups of the hydraulic cylinders are arranged on the side walls of the bottom of the hydraulic cylinder, the piston rod is arranged through the inside of the hydraulic cylinder, and the piston rod is connected to the inside of the hydraulic cylinder The wall is slidingly connected, and the infusion pipe is connected between the hydraulic cylinder and the hydraulic cylinder; the buffer assembly includes a buffer hinge block, a buffer sleeve, a buffer rod, a buffer plate and a buffer spring, and the buffer hinge blocks are respectively arranged on the bottom wall of the blanking plate and the side of the slider away from the slideway, the buffer sleeve is hinged on the buffer hinge block of the side wall of the slider, and the buffer rod is hinged on the buffer hinge block of the bottom wall of the blanking plate, and the end of the buffer rod away from the blanking plate extends into and slides inside the buffer sleeve, the buffer plate is arranged at the end of the buffer rod close to the blanking plate, and the buffer spring is arranged between the buffer plate and the buffer sleeve on the outside of the buffer rod.

[0007] During use, a wear-resistant elastic tarpaulin is set between adjacent blanking plates, and the pipe rack is fixedly connected to the bottom wall of the coal discharge channel. The coal falls into the upper wall of the blanking plate and the tarpaulin through the discharge channel. Since the blanking plate and the tarpaulin are inclined, the coal slides along the upper wall of the blanking plate and the tarpaulin to the inside of the coal bin. When more coal falls on the blanking plate and the upper wall of the tarpaulin, the buffer spring is deformed and shortened, and the buffer sleeve and the buffer rod rotate between the buffer hinge blocks. The buffer rod retracts into the buffer sleeve to buffer the gravity of the coal discharge, thereby reducing the impact force of the coal and reducing the generation of coal powder.

[0008] Preferably, the drilling drive assembly includes a semi-spherical cylinder, a motor box, a driving motor and a driving shaft, the semi-spherical cylinder is connected to the upper wall of the hydraulic cylinder, the motor box is arranged at the bottom of the hydraulic cylinder, the driving motor is arranged inside the motor box, and the driving shaft passes through the motor box and is arranged at the power end of the driving motor; the top drilling assembly includes a hydraulic push plate, a push sleeve, a drilling shaft, a spiral blade, a hydraulic push valve and a ranging sensor, the hydraulic push plate is arranged on the inner wall of the hydraulic cylinder outside the driving shaft, the hydraulic push plate is slidably connected to the hydraulic cylinder, the push sleeve passes through the semi-spherical cylinder and is arranged on the upper wall of the hydraulic push plate outside the driving shaft, the push sleeve is rotatably connected to the hydraulic push plate, the push sleeve is slidably connected to the driving shaft, the drilling shaft is arranged on the upper wall of the push sleeve, the spiral blade is arranged on the outside of the drilling shaft, the hydraulic push valve is connected to the bottom side wall of the hydraulic cylinder, and the ranging sensor is arranged on the inner wall of one end of the buffer sleeve close to the slider.

[0009] During use, when the coal falls onto the blanking plate and the upper wall of the tarpaulin, the impact force of the coal's fall causes the buffer spring to deform, which continuously drives the distance between the buffer rod and the distance measuring end of the distance sensor to change. When the coal falls, a blockage occurs inside the discharge channel, and the coal cannot fall into the coal bunker, and thus the distance between the buffer rod and the distance measuring end of the distance sensor cannot be changed. The external oil circuit is connected to the hydraulic push valve, and the other end of the oil circuit is connected to the hydraulic pump. The hydraulic pump delivers hydraulic oil to the hydraulic cylinder below the hydraulic push plate through the oil circuit, and the hydraulic oil is diverted through the delivery pipe When the hydraulic oil enters the hydraulic cylinder, the hydraulic oil inside the hydraulic cylinder pushes the liquid push plate to slide and rise along its inner wall. The liquid push plate drives the drilling shaft to rise through the push sleeve. The hydraulic oil inside the hydraulic cylinder drives the piston rod to slide and rise along its inner wall. The piston rod drives the slider to slide and rise along the slideway. The slider drives the blanking plate to the outside of the hydraulic cylinder through the buffer sleeve and buffer rod. The hydraulic cylinder rotates and rises around the blanking hinge block. The inclination angle of the blanking plate and the tarpaulin is reduced, and the distance between the blanking plate and the blanking channel is shortened. The outer diameter of the spiral blade is slightly smaller than the inner diameter of the diverter cylinder to ensure smooth rotation and fit the inner wall. The coal that is blocked in the discharge channel falls to the upper wall of the discharge plate and the tarpaulin. A large amount of coal falls into the coal bin along the discharge plate and the tarpaulin with a reduced inclination angle, thereby slowing down the falling speed of the large amount of blocked coal and reducing the generation of coal powder.

[0010] Specifically, a controller is provided on the side wall of the hydraulic cylinder.

[0011] Wherein, the controller is electrically connected to the driving motor and the distance measuring sensor.

[0012] The beneficial effects achieved by adopting the above structure are as follows: Compared with the existing technology, this solution adopts a combination of a slope-type material guide mechanism and a liquid drill-type material flow mechanism. Through the provided drop assembly, lifting assembly, buffer assembly, drill drive assembly and top drill assembly, the coal falling in the material channel can be buffered and dropped, the impact force of the coal falling from a height is reduced, the chance of coal breakage is reduced, the generation of coal powder is reduced, and the coal falling in the material channel can be monitored. When the material channel is blocked, the coal inside the material channel can be cleared in time to avoid a large amount of coal accumulation in the material channel. The lifting angle of the drop plate and the tarpaulin is changed to carry the blocked coal, so that the relatively large amount of blocked coal can fall into the coal bin at a slower speed, reducing the generation of coal powder and ensuring the safety and smoothness of material discharge. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the overall structure of this scheme; Figure 2 This is a bottom-up perspective view of this scheme; Figure 3 This is the main stereoscopic view of this scheme; Figure 4 This is a schematic diagram of the structure of the liquid drilling type material passing mechanism of this scheme; Figure 5 This is the main view of this scheme; Figure 6 This is a side view of the scheme; Figure 7 This is a top view of the scheme; Figure 8 for Figure 5 AA section view; Figure 9 for Figure 7 BB partial cross-sectional view; Figure 10 for Figure 1 Part I shows a magnified structural view.

[0014] Among them, 1. pipe rack, 2. fixed block, 3. diverter tube, 4. slope-type material guide mechanism, 5. blanking assembly, 6. blanking hinge block, 7. blanking plate, 8. lifting assembly, 9. slide, 10. slider, 11. hydraulic cylinder, 12. piston rod, 13. infusion tube, 14. buffer assembly, 15. buffer hinge block, 16. buffer sleeve, 17. hydraulic cylinder, 18. liquid drill type material passing mechanism, 19. drill drive assembly, 20. semi-spherical cylinder, 21. motor box, 22. drive motor, 23. drive shaft, 24. top drill assembly, 25. hydraulic push plate, 26. push sleeve, 27. drilling shaft, 28. spiral blade, 29. hydraulic push valve, 30. controller, 31. buffer rod, 32. buffer plate, 33. buffer spring, 34. distance sensor.

[0015] The accompanying drawings are used to provide further understanding of the present solution and constitute a part of the specification. Together with the embodiments of the present solution, they are used to explain the present solution and do not constitute a limitation to the present solution. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of this solution will be clearly and completely described below in conjunction with the drawings in the embodiments of this solution. Obviously, the described embodiments are only part of the embodiments of this solution, not all of the embodiments; based on the embodiments in this solution, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this solution.

[0017] In the description of this solution, it should be understood that terms such as "up", "down", "front", "back", "left", "right", "top", "bottom", "inside", and "outside" indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing this solution and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on this solution.

[0018] like Figures 1-10 As shown, the present invention proposes a coal bunker hydraulic drilling rig dredging device, comprising a pipe rack 1, a fixed block 2, a diverter tube 3, a slope-down material guide mechanism 4 and a liquid drill type material passing mechanism 18, wherein the fixed block 2 is arranged on the inner wall of the pipe rack 1, the diverter tube 3 is arranged between the fixed blocks 2, the slope-down material guide mechanism 4 is arranged on the fixed block 2, the liquid drill type material passing mechanism 18 is arranged on the slope-down material guide mechanism 4, the slope-down material guide mechanism 4 comprises a blanking assembly 5, a lifting assembly 8 and a buffer assembly 14, the blanking assembly 5 is arranged on the side of the fixed block 2 away from the diverter tube 3, the lifting assembly 8 is arranged at the bottom of the fixed block 2, the buffer assembly 14 is arranged between the blanking assembly 5 and the lifting assembly 8, the liquid drill type material passing mechanism 18 comprises a drill drive assembly 19 and a top drill assembly 24, the drill drive assembly 19 is arranged on the lifting assembly 8, and the top drill assembly 24 is arranged on the side wall of the lifting assembly 8.

[0019] The blanking assembly 5 includes a blanking hinge block 6 and a blanking plate 7. The blanking hinge block 6 is arranged on the side of the fixed block 2 away from the diverter tube 3, and the blanking plate 7 is hingedly arranged at one end of the fixed block 2 away from the diverter tube 3; the lifting assembly 8 includes a slide 9, a slider 10, a hydraulic cylinder 11, a piston rod 12, an infusion pipe 13 and a hydraulic cylinder 17. The hydraulic cylinder 17 is arranged below the fixed block 2 and fixed to its bottom wall. Multiple groups of the slides 9 are arranged on the side wall of the hydraulic cylinder 17, the slider 10 is slidably arranged on the end of the slide 9 away from the hydraulic cylinder 17, and multiple groups of the hydraulic cylinder 11 are arranged on the bottom side wall of the hydraulic cylinder 17. The piston rod 12 is arranged inside the hydraulic cylinder 11, and the piston rod 12 is slidably connected to the inner wall of the hydraulic cylinder 11. The infusion pipe 13 is connected between the hydraulic cylinder 11 and the hydraulic cylinder 17; the buffer assembly 14 includes a buffer hinge block 15, a buffer sleeve 16, a buffer rod 31, a buffer plate 32 and a buffer spring 33, the buffer hinge block 15 is respectively arranged on the bottom wall of the blanking plate 7 and the side of the slider 10 away from the slide 9, the buffer sleeve 16 is hinged on the buffer hinge block 15 on the side wall of the slider 10, the buffer rod 31 is hinged on the buffer hinge block 15 on the bottom wall of the blanking plate 7, the end of the buffer rod 31 away from the blanking plate 7 extends into and slides inside the buffer sleeve 16, the buffer plate 32 is arranged at the end of the buffer rod 31 close to the blanking plate 7, and the buffer spring 33 is arranged between the buffer plate 32 and the buffer sleeve 16 on the outside of the buffer rod 31.

[0020] The drill drive assembly 19 includes a semi-spherical cylinder 20, a motor box 21, a drive motor 22 and a drive shaft 23. The semi-spherical cylinder 20 is connected to the upper wall of the hydraulic cylinder 17, the motor box 21 is arranged at the bottom of the hydraulic cylinder 17, the drive motor 22 is arranged inside the motor box 21, and the drive shaft 23 passes through the motor box 21 and is arranged at the power end of the drive motor 22; the top drill assembly 24 includes a hydraulic push plate 25, a top push sleeve 26, a drilling shaft 27, a spiral blade 28, a hydraulic push valve 29 and a distance sensor 34. The hydraulic push plate 25 is arranged on the drive shaft 23. The inner wall of the outer hydraulic cylinder 17, the liquid push plate 25 is slidably connected to the hydraulic cylinder 17, the pushing sleeve 26 passes through the semi-spherical cylinder 20 and is arranged on the upper wall of the liquid push plate 25 outside the drive shaft 23, the pushing sleeve 26 is rotatably connected to the liquid push plate 25, the pushing sleeve 26 is slidably connected to the drive shaft 23, the drilling shaft 27 is arranged on the upper wall of the pushing sleeve 26, the spiral blade 28 is arranged on the outside of the drilling shaft 27, the liquid push valve 29 is connected to the bottom side wall of the hydraulic cylinder 17, and the distance sensor 34 is arranged on the inner wall of one end of the buffer sleeve 16 close to the slider 10.

[0021] A controller 30 is provided on the side wall of the hydraulic cylinder 17 .

[0022] The controller 30 is electrically connected to the driving motor 22 and the distance measuring sensor 34 .

[0023] When in use, a wear-resistant elastic tarpaulin is placed between adjacent blanking plates 7 to securely connect the tube rack 1 to the bottom wall of the coal unloading channel; In the initial state, the spiral blade 28 is placed inside the diverter tube 3, the piston rod 12 is retracted into the hydraulic cylinder 11, the inclination angle of the blanking plate 7 and the tarpaulin is at the maximum value, the buffer spring 33 is in the extended setting, and the distance between the buffer rod 31 and the distance measuring end of the distance measuring sensor 34 is at the maximum value; An anti-skid layer is pre-applied on the surface of the spiral blade 28 to increase the friction between the spiral blade 28 and the coal. The external oil circuit is connected to the hydraulic push valve 29, and the other end of the oil circuit is connected to the hydraulic pump. The outer diameter of the spiral blade 28 is slightly smaller than the inner diameter of the diverter tube 3, so that normally falling coal cannot pass through the diverter tube 3. The coal falls through the discharge channel onto the blanking plate 7 and the upper wall of the tarpaulin. Since the blanking plate 7 and the tarpaulin are inclined, the coal slides along the blanking plate 7 and the upper wall of the tarpaulin into the coal bunker. When a large amount of coal falls onto the blanking plate 7 and the upper wall of the tarpaulin, the buffer spring 33 is deformed and shortened under the pressure of gravity. The buffer sleeve 16 and the buffer rod 31 rotate between the buffer hinge block 15. The buffer rod 31 retracts into the buffer sleeve 16, buffering the impact force of the coal being discharged, thereby reducing the impact force of the coal entering the coal bunker and reducing the generation of coal powder. When the coal falls onto the blanking plate 7 and the upper wall of the tarpaulin, the impact of the coal's fall causes the buffer spring 33 to deform, continuously driving the distance between the buffer rod 31 and the distance measuring end of the distance sensor 34 to change. The controller 30 controls the distance measuring sensor 34 to start. When the coal falls, a blockage occurs inside the discharge channel, preventing the coal from falling onto the blanking plate 7 and the upper wall of the tarpaulin, and thus preventing the distance between the buffer rod 31 and the distance measuring end of the distance sensor 34 from changing. At this time, the hydraulic pump delivers hydraulic oil to the hydraulic cylinder 17 below the hydraulic push plate 25 through the oil circuit, and the hydraulic oil is diverted to the inside of the hydraulic cylinder 11 through the liquid delivery pipe 13. The hydraulic oil inside the hydraulic cylinder 17 pushes the hydraulic push plate 25 to slide and rise along its inner wall. The hydraulic push plate 25 drives the drilling shaft 27 to rise through the pushing sleeve 26. The hydraulic oil inside the hydraulic cylinder 11 drives the piston rod 12 to slide and rise along its inner wall. The piston rod 12 drives the slider 10 to slide and rise along the slideway 9. The slider 10 drives the blanking plate 7 to be supported toward the outside of the hydraulic cylinder 17 through the buffer sleeve 16 and the buffer rod 31. The hydraulic cylinder 17 rotates and lifts around the blanking hinge block 6. The inclination angle of the blanking plate 7 and the tarpaulin is reduced, and the distance between the blanking plate 7 and the blanking channel is shortened. The controller 30 controls the drive motor 22 to start, and the power end of the drive motor 22 drives the push sleeve 26 to rotate through the drive shaft 23, and the push sleeve 26 drives the drilling shaft 27 and the spiral blade 28 to rotate. The spiral blade 28 and the anti-skid layer are screwed clockwise into the interior of the coal blocked in the feeding channel. Then, the power end of the drive motor 22 drives the drive shaft 23 to rotate counterclockwise, and the drive shaft 23 drives the spiral blade 28 to rotate out from the interior of the coal through the push sleeve 26. Under the action of the anti-skid layer, the spiral blade 28 pulls part of the coal into the inside of the diverter tube 3, so that a cavity is generated inside the coal squeezed into a columnar shape, which reduces the squeezing force between the coal and the inner wall of the feeding channel, and the blocked coal falls from the feeding channel. The coal pulled out by the spiral blades 28 passes through the diverter tube 3 and falls into the upper wall of the semi-spherical tube 20, and finally falls into the coal bunker along the blanking plate 7 and the tarpaulin; The coal blocked in the discharge channel falls to the discharge plate 7 and the upper wall of the tarpaulin. A large amount of coal falls into the coal bunker along the discharge plate 7 and the tarpaulin with decreasing inclination angle, which slows down the falling speed of the blocked coal and reduces the force of the falling coal colliding with the coal in the coal bunker, thereby reducing the generation of coal dust. When the distance measuring end of the distance sensor 34 detects that the distance between it and the buffer rod 31 has changed, the hydraulic pump extracts the hydraulic oil inside the hydraulic cylinder 17 and the hydraulic cylinder 11 through the oil circuit, the spiral blade 28 descends into the inside of the diverter cylinder 3, the piston rod 12 retracts into the inside of the hydraulic cylinder 11, and the controller 30 controls the drive motor 22 to stop rotating; the above operation can be repeated the next time it is used.

[0024] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0025] The above description of the present solution and its implementation methods is non-limiting. The drawings show only one implementation method of the present solution, and the actual structure is not limited thereto. In short, if a person skilled in the art is inspired by this and, without departing from the purpose of the present solution, designs a similar structure and embodiment without creatively designing, they shall fall within the scope of protection of the present solution.

Claims

1. A coal bunker hydraulic drilling rig dredging device, comprising a pipe rack, a fixing block and a diverter tube, characterized in that: It also includes a slope-down material guide mechanism and a liquid drill type material passing mechanism, the fixed block is arranged on the inner wall of the tube rack, the diverter tube is arranged between the fixed blocks, the slope-down material guide mechanism is arranged on the fixed block, the liquid drill type material passing mechanism is arranged on the slope-down material guide mechanism, the slope-down material guide mechanism includes a blanking assembly, a lifting assembly and a buffer assembly, the blanking assembly is arranged on the side of the fixed block away from the diverter tube, the lifting assembly is arranged at the bottom of the fixed block, the buffer assembly is arranged between the blanking assembly and the lifting assembly, the liquid drill type material passing mechanism includes a drill drive assembly and a top drill assembly, the drill drive assembly is arranged on the lifting assembly, and the top drill assembly is arranged on the side wall of the lifting assembly; The blanking assembly includes a blanking plate; The lifting assembly includes a slideway and a slider; The buffer assembly includes a buffer hinge block, a buffer sleeve, a buffer rod, a buffer plate and a buffer spring. The buffer hinge block is respectively arranged on the bottom wall of the blanking plate and the side of the slider away from the slideway. The buffer sleeve is hinged on the buffer hinge block of the side wall of the slider. The buffer rod is hinged on the buffer hinge block of the bottom wall of the blanking plate. The end of the buffer rod away from the blanking plate extends into and slides inside the buffer sleeve. The buffer plate is arranged at the end of the buffer rod close to the blanking plate. The buffer spring is arranged between the buffer plate and the buffer sleeve on the outside of the buffer rod.

2. A coal bunker hydraulic drilling rig dredging device according to claim 1, characterized in that: The blanking assembly further comprises a blanking hinge block, which is arranged on a side of the fixed block away from the diverter cylinder, and the blanking plate is hingedly arranged on an end of the fixed block away from the diverter cylinder.

3. The coal bunker hydraulic drilling rig dredging device according to claim 1, characterized in that: The lifting assembly includes a hydraulic cylinder, a piston rod, a fluid delivery pipe and a hydraulic cylinder. The hydraulic cylinder is arranged below the fixed block and fixedly connected to its bottom wall. Multiple groups of slides are arranged on the side wall of the hydraulic cylinder. The slider is slidingly arranged at one end of the slide away from the hydraulic cylinder. Multiple groups of hydraulic cylinders are arranged on the bottom side wall of the hydraulic cylinder. The piston rod is arranged through the inside of the hydraulic cylinder. The piston rod is slidably connected to the inner wall of the hydraulic cylinder. The fluid delivery pipe is connected between the hydraulic cylinder and the hydraulic cylinder.

4. A coal bunker hydraulic drilling rig dredging device according to claim 3, characterized in that: The drill drive assembly includes a semi-spherical cylinder, a motor box, a drive motor and a drive shaft. The semi-spherical cylinder is connected to the upper wall of the hydraulic cylinder, the motor box is arranged at the bottom of the hydraulic cylinder, the drive motor is arranged inside the motor box, and the drive shaft passes through the motor box and is arranged at the power end of the drive motor.

5. The coal bunker hydraulic drilling rig dredging device according to claim 4, characterized in that: The top drill assembly includes a hydraulic push plate, a push sleeve, a drilling shaft, a spiral blade, a hydraulic push valve and a distance sensor. The hydraulic push plate is arranged on the inner wall of the hydraulic cylinder outside the drive shaft, and the hydraulic push plate is slidably connected to the hydraulic cylinder. The push sleeve passes through the semi-spherical cylinder and is arranged on the upper wall of the hydraulic push plate outside the drive shaft. The push sleeve is rotatably connected to the hydraulic push plate, and the push sleeve is slidably connected to the drive shaft.

6. The coal bunker hydraulic drilling rig dredging device according to claim 5, characterized in that: The drilling shaft is arranged on the upper wall of the push sleeve, the spiral blade is arranged on the outside of the drilling shaft, the hydraulic push valve is connected to the bottom side wall of the hydraulic cylinder, and the distance sensor is arranged on the inner wall of the buffer sleeve near the slider.

7. The coal bunker hydraulic drilling rig dredging device according to claim 3, characterized in that: A controller is provided on the side wall of the hydraulic cylinder.

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